US20120037231A1 - Cementious washout container and method for same - Google Patents
Cementious washout container and method for same Download PDFInfo
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- US20120037231A1 US20120037231A1 US13/208,240 US201113208240A US2012037231A1 US 20120037231 A1 US20120037231 A1 US 20120037231A1 US 201113208240 A US201113208240 A US 201113208240A US 2012037231 A1 US2012037231 A1 US 2012037231A1
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- United States
- Prior art keywords
- container
- washout
- cementious
- drain
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/063—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being concrete slurry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/54—Gates or closures
- B65D2590/66—Operating devices therefor
- B65D2590/664—Operating devices therefor actuating mechanism other than manual, e.g. pneumatic, electropneumatic, hydraulic, electromagnetic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/794—With means for separating solid material from the fluid
Definitions
- a concrete washout & recycling bucket or hopper that separates the aggregate and accumulates all the waste water until the last truck leaves the work site each day. The waste water is then emptied into the last redimix truck for recycling back at the plant.
- the design of the recycling hopper makes the process of washing the chutes much safer and efficient. Further, use of the recycling hopper eliminates the extra charge and labor needed to process washout water as each truck is unloaded.
- FIG. 1 is a perspective view of one example of a cementious washout bucket.
- FIG. 2A is a perspective view of the cementious washout bucket shown in FIG. 1 .
- FIG. 2B is a plan view of the cementious washout bucket shown in FIG. 1 .
- FIG. 3A is a bottom perspective view of the cementious washout bucket shown in FIG. 1 .
- FIG. 3B is a side view of the cementious washout bucket shown in FIG. 1 ,
- FIG. 4 is a side view of another example of a container valve.
- FIG. 5A is a front view of the cementious washout bucket shown in FIG. 1 .
- FIG. 5B is a rear view of the cementious washout bucket shown in FIG. 1 .
- FIG. 6A is a first side view of the cementious washout bucket shown in FIG. 1 .
- FIG. 6B is a second side view of the cementious washout bucket shown in FIG. 1 .
- FIG. 7 is a block diagram showing one example of a method for using a cementious washout bucket.
- FIG. 1 shows a perspective view of a cementious washout container 100 .
- the cementious washout container 100 includes a container body 102 having a container reservoir 104 .
- a rotatable hinged chute 106 is rotatably coupled with the container body 102 .
- the cementious washout container 100 is sized and shaped to receive waste cement, concrete and the like on the hinged chute 106 , strain fine particles and water from the waste concrete and then poor or dump the cleaned aggregate particles off the hinged chute 106 and away from the cementious washout container 100 .
- the container 100 thereby retains and stores fluid from the cementious material including washout water and fine particles therein until removed from a construction site for environmentally safe disposal.
- waste concrete from multiple trucks is consecutively deposited on the hinged chute 106 and the corresponding fluids such as washout water and fine particles are accumulated and stored in the container body 102 until it is desirable to empty the container body 102 into a single truck for environmentally appropriate disposal.
- the container body 102 is constructed with, but is not limited to, durable materials such as, steel, cast iron, composites and the like.
- the other components of the cementious washout container 100 such as the hinged chute 106 , are constructed with steel, cast iron, composites and the like.
- the cementious washout container 100 is shown in corresponding perspective and plan views.
- the container 100 includes a container body 102 having a container reservoir 104 sized and shaped to receive fine particles and washout water from waste cementious materials.
- the hinged chute 106 is shown rotatably coupled with a container body 102 at a rotatable joint 207 .
- the hinged chute 106 is coupled with a rotatable hinge between a chute panel 109 and a hopper screen 110 .
- the hinged chute 106 including the chute panel 109 and the hopper screen 110 are included in a hinged chute assembly 105 , in one example.
- the hopper screen 110 includes perforations or openings therein to facilitate the passage of fluids through the hopper screen 110 as well as fine particles while at the same time straining out aggregate materials which are thereafter transferred from the container 100 across the chute panel 109 (e.g., with rotation of the hinged chute 106 ).
- a chute lever 112 is coupled with the chute panel 109 to facilitate rotation of the chute panel relative to the container body 102 .
- the container body 102 includes a supporting tube 114 extending across at least a portion of the container body 102 .
- the supporting tube 114 provides structural support to the container body 102 and the hopper assembly.
- the cementious washout container 100 includes a chute opening 108 within a cover 111 extending over the container reservoir 104 .
- the chute opening 108 is sized and shaped to receive at least the hopper screen 110 .
- the hopper screen 110 in combination with the cover 111 encloses the top of the container reservoir. Waste cementious materials are dumped over the hopper screen 110 , as described above, to strain washout water and fine particles from the materials.
- the cover 111 ensures the materials are not able to easily bypass the hinged chute assembly 105 .
- the cementious washout container is without a cover and the hopper screen 110 is formed as a bounded basket (see FIG. 2A ) with a perforated screen on one or more sides of the hopper screen 110 .
- the cementious washout container 100 further includes one or more rails 116 sized and shaped to receive lifting features such as forks from a fork lift and lifting lugs 118 sized and shaped to receive hooks coupled with a crane, hoist or other similar mechanisms.
- the rails 116 and the lifting tugs 118 are configured to facilitate lifting and transporting of the cementious washout container 100 in a full or empty state.
- full lifting of the container 100 is performed to hoist and center the container over the orifice of a cement truck to facilitate draining of the washout fluid and fine particles into the cement truck.
- a chain 116 A (not depicted on drawing 2 a but clearly seen on FIG. 1 ) is included to secure the bucket to the forklift, which is an OSHA requirement when lifting operators.
- the cementious washout container 100 includes a ladder 120 coupled with the container body 102 .
- the ladder 120 facilitates easy and safe access for the operation of the hinged chute 106 of the hinged chute assembly 105 , for instance, by reaching and actuating the chute lever 112 .
- the ladder 120 is positioned on the container body 102 adjacent to the chute lever 112 .
- the cementious washout container 100 is positioned adjacent to a cement truck for dispensing of washout water and fine particles into the cement truck the ladder 120 is positioned on the container body 102 so the ladder is positioned on the appropriate side of the cement truck.
- the ladder 120 is positioned on the container body 102 to be adjacent to the driver's side of the truck relative to the remainder of the container body 102 .
- the left hand rail of the ladder includes tie off points 121 for the operator to attach his body harness as required when the unit is hoisted and positioned for unloading. (See FIG. 1 ).
- the cementious washout container 100 in another example, includes one or more supports 122 extending from the container body 102 .
- the supports 122 provide support to the container body 102 to make sure the container body 102 is maintained relatively level on a flat surface when positioned thereon.
- FIGS. 3A and 3B show the cementious washout container 100 in perspective and side views, respectively.
- the container body 102 is shown having a drain 202 extending from a lower surface of the container 102 .
- a drain shroud 208 at least partially surrounds the drain 202 .
- the container body 102 is graduated or tapers (e.g., is funneled) toward the drain 202 to ensure funneling of washout water and fine particles to the drain 202 for emptying out the container 100 .
- the container valve 200 extends across the drain 202 and ensures the container body 102 is in the closed configuration while washout water and fine particles are accumulated within the container reservoir 104 . In the example shown in FIGS.
- the cementious washout container 100 further includes a valve operating mechanism 204 (e.g., a (linkage) extending from the container valve 200 to a valve lever 206 .
- a valve operating mechanism 204 e.g., a (linkage) extending from the container valve 200 to a valve lever 206 .
- operation of the valve lever 206 is configured to open the container valve 200 and thereby allow the draining of washout water and fine particles through the drain 202 .
- the valve lever 206 is configured for remote operation of the container valve 200 with the valve operating mechanism 204 coupled there between.
- the valve operating mechanism includes a linkage having linkage bars 212 A, B that hold the container valve 200 in the closed configuration until the valve lever 206 is operated to move the valve operating mechanism 204 beyond a retention position (e.g., a center point or intermediate point 216 ) that allows the container valve 200 to assume the open configuration (see FIGS. 3B and 4 ).
- a retention position e.g., a center point or intermediate point 216
- the linkage bars 212 A, B are arranged to have a greater length in the deflected orientation (whether open or closed) between joints 214 A, B than when traversing the intermediate point where the bars are substantially parallel.
- the linkage bars 212 A, B are thereby biased into a closed configuration that engages the container valve 200 with the drain while the linkage bars are oriented below the intermediate point 216 . That is to say, the valve operating mechanism 204 biases the container valve 200 into the closed configuration.
- valve operating mechanism 204 is rotatably coupled with the valve lever 206 and the container valve 200 .
- an operator may open the container valve 200 from the side of the container and not from underneath.
- the operator may open the container valve 200 from the ladder 120 (see FIG. 2A ) adjacent to the valve lever 206 .
- the valve operating mechanism 204 includes a pin, locking feature and the like configured to engage with the mechanism 204 and lock the mechanism in place (e.g., with the valve closed).
- the pin or locking feature is used by itself or in combination with the exemplary valve operating mechanism 204 including the linkage bars 212 A, B to retain the valve 200 in the closed position.
- container body 102 is shown with a tapered portion 300 tapering toward the drain 202 .
- the tapered portion 300 is proximate a lower end 302 of the container body 102 .
- the tapered portion 300 is remote from the upper end 304 of the container body 102 (e.g., it has a squat configuration near the lower end 302 ).
- the tapered portion 300 ensures washout water and fine particles are diverted substantially centrally to the drain 202 .
- the tapered portion 300 and the drain 202 are aligned or near a longitudinal axis 306 of the cementious washout container 100 .
- the tapered portion 300 proximate to the tower end 302 ensures that the center of gravity of the cementious washout container 100 is centrally positioned.
- the center of gravity is similarly positioned centrally while the container body 102 is filled (partially or fully) with washout water. That is to say, the container body 102 in one example is without a tapered portion extending from proximate the upper end 304 and thereby accordingly does not include a center of gravity elevated with corresponding handling issues (e.g., tipping and difficulty of handling with forklift forks engaged near the lower end 302 ).
- FIG. 4 shows one example of a container valve 200 in an open configuration relative to the drain 202 .
- the valve mechanism 204 extends away from the container valve 200 to a valve lever.
- FIG. 4 shows the container valve 200 having a circular configuration in other embodiments, the container valve 200 has a square, oblong Or other configuration sized and shaped to engage with a correspondingly shaped drain 202 .
- the container valve 200 as shown provides a butt engagement with the drain 202 , Stated another way, the container valve 200 shown as an example in FIG. 4 engages with the drain 202 perimeter at the lip 201 (e.g., edge) of the drain.
- the container valve 200 in the example shown is a flapper (e.g., clamp type valve) engaged with the drain 202 .
- a flapper e.g., clamp type valve
- one or more of the valve 200 and the edge of the drain 202 includes a gasket configured to provide a tight sealing engagement between the container valve 200 and the drain 202 in the closed configuration.
- the container valve 200 shown in FIG. 4 is not received within the drain 202 .
- the cementious washout container 100 with the above described container valve 200 is configured for use in freezing temperatures (e.g., below 32 degrees Fahrenheit).
- the container valve 200 e.g., a flapper
- Frozen washout water from the container 100 is not able freeze around a valve mechanism because of the direct engagement of the container valve 200 with the drain 202 on the drain exterior.
- the valve operating mechanism 204 is similarly exterior to the container body 102 and thereby isolated from freezing of washout water therein.
- the container valve 200 includes, but is not limited to, a ball valve, gate valve and the like.
- FIGS. 5A and 5B show the cementious washout container 100 from respective side views with the hinged chute 106 of the hinged chute assembly 105 in an upright orientation.
- the hinged chute 106 is rotatably coupled with the container body 102 .
- the hinged chute assembly 105 includes the chute panel 109 extending out of the container body 102 .
- rotation of the hinged chute 106 allows for aggregate particles accumulated on the hopper screen 110 (see FIGS. 2A and 2B ) to be dispensed away from the container body 102 , for instance, into a separate container adjacent to the cementious washout container 100 .
- chute lever 112 to rotate the hinged chute 106 into a substantially horizontal position allows for the placement of waste cementious materials on the hopper screen 110 to facilitate straining of washout water and fine particles through the hopper screen 110 while aggregate particles are left on the hopper screen 110 . Further rotation of the chute lever 112 tips the chute panel 109 past horizontal and allows the cleaned aggregate particles to slide (e.g., are unloaded) off the chute panel 109 into another container or simply onto the ground adjacent to the container body 102 .
- FIGS. 6A and 6B show additional views of the hinged chute 106 with backward and forward rotational arrows depicting relative rotation of the hinged chute 106 relative to the container body 102 .
- Views of the hinged chute 106 are provided in phantom lines to show receiving and discarding positions 600 , 602 of the chute, respectively.
- the hinged chute 106 of the hinged chute assembly 105 is positioned substantially horizontally.
- the hopper screen 110 substantially fills the chute opening 108 .
- washout water including fine particles and aggregate is deposited on the hopper screen 110 .
- the washout water and the fine particles pass through the hopper screen 110 while the aggregate remains segregated on the hopper screen 110 .
- the hinged chute 106 After straining of the washout water with the hinged chute 106 in the receiving position 600 , the hinged chute is rotated to the discarding position 602 (also shown in phantom lines in FIGS. 6A , B). The aggregate remaining on the hopper screen 110 slides from the screen to the chute panel 109 . The chute panel 109 directs the aggregate to the ground or a container adjacent to the cementious washout container 100 . in another example, the hinged chute 106 (e.g., the hinge chute assembly 105 ) is movable to a third position as shown in solid lines in FIGS. 6A , B.
- the hinged chute 106 is substantially vertical to facilitate the cleaning out of the container body 102 , for instance with pressurized water delivered by hose with an operator standing on the ladder 120 . Additionally, in yet another example, the hinged chute 106 is biased into the third position for transport, storage and the like of the cementious washout container 100 according to the weight and length of the hopper screen 110 . The substantially vertical orientation minimizes outlying projections of the container 100 during transport and handling.
- FIG. 6A is the ladder 120 previously described. As shown, the ladder 120 extends over the container body 102 and allows for easy access to the chute lever 112 by an operator. Also shown in FIGS. 6A and 6B , are the valve lever 206 and the drain 202 . As previously described, a valve operating mechanism 204 extends between the valve lever 206 and the drain 202 to operate the container valve 200 remotely relative to the drain 202 .
- the drain shroud 208 is also shown in FIGS. 6A , B.
- the drain shroud 208 is positioned around the drain 202 and the container valve 200 to substantially prevent splashing and deflection of washout water emptying through the drain 202 .
- container valve 200 in the open position container valve 200 is partially disposed below the drain 202 .
- the drain shroud 208 extends around the drain 202 and intercepts deflected water and redirects it downwardly, for instance into the delivery chute of a cement truck.
- the drain shroud extends downwardly from the container body 102 and is opposed to at least the open face 210 of the container valve 200 .
- the cementious washout container 100 is placed at a work site where multiple loads of ready mix concrete or cement are delivered.
- the method includes dumping the cementious liquids including fluids such as water, aggregate particles and fine particles onto a hopper screen, such as hopper screen 110 .
- the hopper screen 110 is part of a hinged chute assembly 105 , such as the hinged chute 106 shown in FIGS. 2A and 2B .
- the hopper screen 110 overlies a container reservoir 104 of the container body 102 .
- the method further includes screening the fluid and fine particles through the hopper screen 110 into the container reservoir 104 and leaving the aggregate particles on the hopper screen 110 .
- the hinged chute assembly 105 After screening of the fluid and fine particles the hinged chute assembly 105 , including for instance, the hinged chute 106 is rotated relative to the container body and the aggregate particles are diverted away from the container body 102 by a chute panel 109 included with the hinged chute assembly 105 (e.g., hinged chute 106 ).
- the method further includes accumulating washout water including the fluid (e.g., water) and fine particles in the container body 102 .
- the accumulated washout water and fine particles are funneled to a concrete chute (e.g., on a truck, trailer or the like) through a container drain 202 opened a container valve 200 on the container body 102 .
- the container valve 200 in one example, is operated by a valve operating mechanism 204 that facilitates drainage operation of the valve 200 with the valve lever 206 .
- the valve operating mechanism 204 includes a locked configuration.
- the valve operating mechanism 204 includes linkage bars 212 A, B that deflect between locked and open configurations when moving past an intermediate point.
- the linkage bars 212 A retains the container valve 200 against the drain 202 and substantially prevents leakage of washout water. Movement of the valve lever 206 and corresponding movement of the linkage bars 212 A, B beyond the intermediate point releases the container valve 200 to open the drain 202 .
- the cementious washout container described herein separates aggregate particles from waste water and fine particles and accumulates the waste water and fine particles until the last truck having cement or concrete is delivered to a job site.
- the waste water (including fine particles) is then emptied back into the drum of the last truck at the end of the day for recycling back at the concrete or cement plant.
- the terms “comprises”, “comprising”, or any variation thereof, are intended to reference a non-exclusive inclusion, such that a process, method, article, composition or apparatus that comprises a list of elements does not include only those elements recited, but may also include other elements not expressly listed or inherent to such process, method, article, composition or apparatus.
- Other combinations and/or modifications of the above-described structures, arrangements, applications, proportions, elements, materials or components used in the practice of the present subject matter, in addition to those not specifically recited, may be varied or otherwise particularly adapted to specific environments, manufacturing specifications, design parameters or other operating requirements without departing from the general principles of the same.
Abstract
A cementious washout container includes a container body having a container reservoir. A hinged chute assembly is rotatably coupled with an upper portion of the container body. The hinged chute assembly includes a chute panel, and a hopper screen coupled with the chute panel. The hopper screen includes perforations overlying the container body. A container drain is positioned at a lower end of the container body, and a container valve is movably coupled over the container drain. The cementious washout container retains and stores washout water and fine particles from multiple loads of cement or concrete and consolidates the washout water and fine particles for a single delivery of the same without requiring multiple separate deliveries of these wastes in multiple trucks.
Description
- This application claims the benefit of priority to U.S. Provisional Patent Application Ser. No. 61/373,721, filed on Aug. 13, 2010, which is incorporated herein by reference in its entirety.
- Disposal of cementious waste water.
- As environmental standards and regulations affecting the construction industry have evolved practices have been modified to manage storm water runoff and enhance sensitivity to recycling excess and waste materials. One significant area is the handling of washout water from redimix concrete trucks. In the past, concrete chutes were simply washed and the waste water and some residual sand and aggregate dumped on the ground.
- This practice may have serious environmental impact. State and federal agencies have begun prohibiting concrete washout water from being dumped on the ground. The redimix industry has responded by modifying their procedures to facilitate putting the washout water and waste materials back into the drum to return it back to the batch plant for further recycling. The Redimix companies have also instituted an additional surcharge to cover the cost of the extra handling. This procedure is labor intensive and expensive.
- A concrete washout & recycling bucket or hopper is described that separates the aggregate and accumulates all the waste water until the last truck leaves the work site each day. The waste water is then emptied into the last redimix truck for recycling back at the plant. The design of the recycling hopper makes the process of washing the chutes much safer and efficient. Further, use of the recycling hopper eliminates the extra charge and labor needed to process washout water as each truck is unloaded.
- A more complete understanding of the present subject matter may be derived by referring to the detailed description and claims when considered in connection with the following illustrative Figures. In the following Figures, like reference numbers refer to similar elements and steps throughout the Figures.
-
FIG. 1 is a perspective view of one example of a cementious washout bucket. -
FIG. 2A is a perspective view of the cementious washout bucket shown inFIG. 1 . -
FIG. 2B is a plan view of the cementious washout bucket shown inFIG. 1 . -
FIG. 3A is a bottom perspective view of the cementious washout bucket shown inFIG. 1 . -
FIG. 3B is a side view of the cementious washout bucket shown inFIG. 1 , -
FIG. 4 is a side view of another example of a container valve. -
FIG. 5A is a front view of the cementious washout bucket shown inFIG. 1 . -
FIG. 5B is a rear view of the cementious washout bucket shown inFIG. 1 . -
FIG. 6A is a first side view of the cementious washout bucket shown inFIG. 1 . -
FIG. 6B is a second side view of the cementious washout bucket shown inFIG. 1 . -
FIG. 7 is a block diagram showing one example of a method for using a cementious washout bucket. - Elements and steps in the Figures are illustrated for simplicity and clarity and have not necessarily been rendered according to any particular sequence. For example, steps that may be performed concurrently or in different order are illustrated in the Figures to help to improve understanding of examples of the present subject matter.
- In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and in which is shown by way of illustration specific examples in which the subject matter may be practiced. These examples are described in sufficient detail to enable those skilled in the art to practice the subject matter, and it is to be understood that other examples may be utilized and that structural changes may be made without departing from the scope of the present subject matter. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of the present subject matter is defined by the appended claims and their equivalents.
- The present subject matter may be described in terms of functional block components and various processing steps. Such functional blocks may be realized by any number of techniques, technologies, and methods configured to perform the specified functions and achieve the various results.
-
FIG. 1 shows a perspective view of acementious washout container 100. Thecementious washout container 100 includes acontainer body 102 having acontainer reservoir 104. A rotatable hingedchute 106 is rotatably coupled with thecontainer body 102. As will be described in further detail below thecementious washout container 100 is sized and shaped to receive waste cement, concrete and the like on thehinged chute 106, strain fine particles and water from the waste concrete and then poor or dump the cleaned aggregate particles off thehinged chute 106 and away from thecementious washout container 100. Thecontainer 100 thereby retains and stores fluid from the cementious material including washout water and fine particles therein until removed from a construction site for environmentally safe disposal. In one example, waste concrete from multiple trucks is consecutively deposited on thehinged chute 106 and the corresponding fluids such as washout water and fine particles are accumulated and stored in thecontainer body 102 until it is desirable to empty thecontainer body 102 into a single truck for environmentally appropriate disposal. - The
container body 102 is constructed with, but is not limited to, durable materials such as, steel, cast iron, composites and the like. Similarly, the other components of thecementious washout container 100, such as thehinged chute 106, are constructed with steel, cast iron, composites and the like. - Referring now to
FIGS. 2A and 2B , thecementious washout container 100 is shown in corresponding perspective and plan views. As shown, thecontainer 100 includes acontainer body 102 having acontainer reservoir 104 sized and shaped to receive fine particles and washout water from waste cementious materials. The hingedchute 106 is shown rotatably coupled with acontainer body 102 at arotatable joint 207. For instance, thehinged chute 106 is coupled with a rotatable hinge between achute panel 109 and ahopper screen 110. Thehinged chute 106 including thechute panel 109 and thehopper screen 110 are included in ahinged chute assembly 105, in one example. As shown, thehopper screen 110 includes perforations or openings therein to facilitate the passage of fluids through thehopper screen 110 as well as fine particles while at the same time straining out aggregate materials which are thereafter transferred from thecontainer 100 across the chute panel 109 (e.g., with rotation of the hinged chute 106). the example shown inFIG. 2A , achute lever 112 is coupled with thechute panel 109 to facilitate rotation of the chute panel relative to thecontainer body 102. In another example, thecontainer body 102 includes a supportingtube 114 extending across at least a portion of thecontainer body 102. In one example, the supportingtube 114 provides structural support to thecontainer body 102 and the hopper assembly. - Optionally, the
cementious washout container 100 includes achute opening 108 within a cover 111 extending over thecontainer reservoir 104. Thechute opening 108 is sized and shaped to receive at least thehopper screen 110. Thehopper screen 110 in combination with the cover 111 encloses the top of the container reservoir. Waste cementious materials are dumped over thehopper screen 110, as described above, to strain washout water and fine particles from the materials. The cover 111 ensures the materials are not able to easily bypass the hingedchute assembly 105. In another example, the cementious washout container is without a cover and thehopper screen 110 is formed as a bounded basket (seeFIG. 2A ) with a perforated screen on one or more sides of thehopper screen 110. - In the example shown in
FIG. 2A , thecementious washout container 100 further includes one ormore rails 116 sized and shaped to receive lifting features such as forks from a fork lift and lifting lugs 118 sized and shaped to receive hooks coupled with a crane, hoist or other similar mechanisms. Therails 116 and the lifting tugs 118 are configured to facilitate lifting and transporting of thecementious washout container 100 in a full or empty state. Where thecementious washout container 100 is, full lifting of thecontainer 100 is performed to hoist and center the container over the orifice of a cement truck to facilitate draining of the washout fluid and fine particles into the cement truck. Achain 116A (not depicted on drawing 2 a but clearly seen onFIG. 1 ) is included to secure the bucket to the forklift, which is an OSHA requirement when lifting operators. - Referring again to
FIGS. 2A and 2B in another example, thecementious washout container 100 includes aladder 120 coupled with thecontainer body 102. Theladder 120 facilitates easy and safe access for the operation of the hingedchute 106 of the hingedchute assembly 105, for instance, by reaching and actuating thechute lever 112. In one example, theladder 120 is positioned on thecontainer body 102 adjacent to thechute lever 112. When thecementious washout container 100 is positioned adjacent to a cement truck for dispensing of washout water and fine particles into the cement truck theladder 120 is positioned on thecontainer body 102 so the ladder is positioned on the appropriate side of the cement truck. Stated another way theladder 120 is positioned on thecontainer body 102 to be adjacent to the driver's side of the truck relative to the remainder of thecontainer body 102. In addition, the left hand rail of the ladder includes tie offpoints 121 for the operator to attach his body harness as required when the unit is hoisted and positioned for unloading. (SeeFIG. 1 ). - Referring to
FIG. 2A again, thecementious washout container 100, in another example, includes one ormore supports 122 extending from thecontainer body 102. Thesupports 122 provide support to thecontainer body 102 to make sure thecontainer body 102 is maintained relatively level on a flat surface when positioned thereon. -
FIGS. 3A and 3B show thecementious washout container 100 in perspective and side views, respectively. Referring to bothFIG. 3B , thecontainer body 102 is shown having adrain 202 extending from a lower surface of thecontainer 102. Adrain shroud 208 at least partially surrounds thedrain 202. As shown inFIG. 3B , thecontainer body 102 is graduated or tapers (e.g., is funneled) toward thedrain 202 to ensure funneling of washout water and fine particles to thedrain 202 for emptying out thecontainer 100. Thecontainer valve 200 extends across thedrain 202 and ensures thecontainer body 102 is in the closed configuration while washout water and fine particles are accumulated within thecontainer reservoir 104. In the example shown inFIGS. 3A and 3B , thecementious washout container 100 further includes a valve operating mechanism 204 (e.g., a (linkage) extending from thecontainer valve 200 to avalve lever 206. As shown inFIGS. 3B and 3A , operation of thevalve lever 206 is configured to open thecontainer valve 200 and thereby allow the draining of washout water and fine particles through thedrain 202. Thevalve lever 206 is configured for remote operation of thecontainer valve 200 with thevalve operating mechanism 204 coupled there between. In one example, the valve operating mechanism includes a linkage havinglinkage bars 212A, B that hold thecontainer valve 200 in the closed configuration until thevalve lever 206 is operated to move thevalve operating mechanism 204 beyond a retention position (e.g., a center point or intermediate point 216) that allows thecontainer valve 200 to assume the open configuration (seeFIGS. 3B and 4 ). Stated another way, the linkage bars 212A, B are arranged to have a greater length in the deflected orientation (whether open or closed) betweenjoints 214A, B than when traversing the intermediate point where the bars are substantially parallel. The linkage bars 212A, B are thereby biased into a closed configuration that engages thecontainer valve 200 with the drain while the linkage bars are oriented below the intermediate point 216. That is to say, thevalve operating mechanism 204 biases thecontainer valve 200 into the closed configuration. - As shown in
FIG. 3B , in another example, thevalve operating mechanism 204 is rotatably coupled with thevalve lever 206 and thecontainer valve 200. With thevalve operating mechanism 204 an operator may open thecontainer valve 200 from the side of the container and not from underneath. For instance, the operator may open thecontainer valve 200 from the ladder 120 (seeFIG. 2A ) adjacent to thevalve lever 206. In yet another example, thevalve operating mechanism 204 includes a pin, locking feature and the like configured to engage with themechanism 204 and lock the mechanism in place (e.g., with the valve closed). The pin or locking feature is used by itself or in combination with the exemplaryvalve operating mechanism 204 including the linkage bars 212A, B to retain thevalve 200 in the closed position. - Referring again to
FIG. 3B ,container body 102 is shown with a taperedportion 300 tapering toward thedrain 202. As shown the taperedportion 300 is proximate alower end 302 of thecontainer body 102. Stated another way, the taperedportion 300 is remote from theupper end 304 of the container body 102 (e.g., it has a squat configuration near the lower end 302). The taperedportion 300 ensures washout water and fine particles are diverted substantially centrally to thedrain 202. For instance, in one example, the taperedportion 300 and thedrain 202 are aligned or near alongitudinal axis 306 of thecementious washout container 100. Additionally, positioning of the taperedportion 300 proximate to thetower end 302 ensures that the center of gravity of thecementious washout container 100 is centrally positioned. The center of gravity is similarly positioned centrally while thecontainer body 102 is filled (partially or fully) with washout water. That is to say, thecontainer body 102 in one example is without a tapered portion extending from proximate theupper end 304 and thereby accordingly does not include a center of gravity elevated with corresponding handling issues (e.g., tipping and difficulty of handling with forklift forks engaged near the lower end 302). -
FIG. 4 shows one example of acontainer valve 200 in an open configuration relative to thedrain 202. As also shown inFIG. 4 , thevalve mechanism 204 extends away from thecontainer valve 200 to a valve lever. AlthoughFIG. 4 shows thecontainer valve 200 having a circular configuration in other embodiments, thecontainer valve 200 has a square, oblong Or other configuration sized and shaped to engage with a correspondingly shapeddrain 202. Thecontainer valve 200 as shown provides a butt engagement with thedrain 202, Stated another way, thecontainer valve 200 shown as an example inFIG. 4 engages with thedrain 202 perimeter at the lip 201 (e.g., edge) of the drain. Thecontainer valve 200 in the example shown is a flapper (e.g., clamp type valve) engaged with thedrain 202. Optionally, one or more of thevalve 200 and the edge of thedrain 202 includes a gasket configured to provide a tight sealing engagement between thecontainer valve 200 and thedrain 202 in the closed configuration. - The
container valve 200 shown inFIG. 4 is not received within thedrain 202. Thecementious washout container 100 with the above describedcontainer valve 200 is configured for use in freezing temperatures (e.g., below 32 degrees Fahrenheit). The container valve 200 (e.g., a flapper) will reliably open and reseal even while the drain is frozen because of the engagement of thevalve 200 around theedge 201 of the drain is 202. Frozen washout water from thecontainer 100 is not able freeze around a valve mechanism because of the direct engagement of thecontainer valve 200 with thedrain 202 on the drain exterior. Additionally, thevalve operating mechanism 204 is similarly exterior to thecontainer body 102 and thereby isolated from freezing of washout water therein. In another example, thecontainer valve 200 includes, but is not limited to, a ball valve, gate valve and the like. -
FIGS. 5A and 5B show thecementious washout container 100 from respective side views with the hingedchute 106 of the hingedchute assembly 105 in an upright orientation. As shown the hingedchute 106 is rotatably coupled with thecontainer body 102. The hingedchute assembly 105 includes thechute panel 109 extending out of thecontainer body 102. As has been previously described, rotation of the hingedchute 106 allows for aggregate particles accumulated on the hopper screen 110 (seeFIGS. 2A and 2B ) to be dispensed away from thecontainer body 102, for instance, into a separate container adjacent to thecementious washout container 100. Further, operation of thechute lever 112 to rotate the hingedchute 106 into a substantially horizontal position allows for the placement of waste cementious materials on thehopper screen 110 to facilitate straining of washout water and fine particles through thehopper screen 110 while aggregate particles are left on thehopper screen 110. Further rotation of thechute lever 112 tips thechute panel 109 past horizontal and allows the cleaned aggregate particles to slide (e.g., are unloaded) off thechute panel 109 into another container or simply onto the ground adjacent to thecontainer body 102. -
FIGS. 6A and 6B show additional views of the hingedchute 106 with backward and forward rotational arrows depicting relative rotation of the hingedchute 106 relative to thecontainer body 102. Views of the hingedchute 106 are provided in phantom lines to show receiving and discardingpositions position 600, the hingedchute 106 of the hingedchute assembly 105 is positioned substantially horizontally. For instance, thehopper screen 110 substantially fills thechute opening 108. In this position, washout water including fine particles and aggregate is deposited on thehopper screen 110. As described herein, the washout water and the fine particles pass through thehopper screen 110 while the aggregate remains segregated on thehopper screen 110. - After straining of the washout water with the hinged
chute 106 in the receivingposition 600, the hinged chute is rotated to the discarding position 602 (also shown in phantom lines inFIGS. 6A , B). The aggregate remaining on thehopper screen 110 slides from the screen to thechute panel 109. Thechute panel 109 directs the aggregate to the ground or a container adjacent to thecementious washout container 100. in another example, the hinged chute 106 (e.g., the hinge chute assembly 105) is movable to a third position as shown in solid lines inFIGS. 6A , B. In the third position, the hingedchute 106 is substantially vertical to facilitate the cleaning out of thecontainer body 102, for instance with pressurized water delivered by hose with an operator standing on theladder 120. Additionally, in yet another example, the hingedchute 106 is biased into the third position for transport, storage and the like of thecementious washout container 100 according to the weight and length of thehopper screen 110. The substantially vertical orientation minimizes outlying projections of thecontainer 100 during transport and handling. - Further shown in
FIG. 6A , is theladder 120 previously described. As shown, theladder 120 extends over thecontainer body 102 and allows for easy access to thechute lever 112 by an operator. Also shown inFIGS. 6A and 6B , are thevalve lever 206 and thedrain 202. As previously described, avalve operating mechanism 204 extends between thevalve lever 206 and thedrain 202 to operate thecontainer valve 200 remotely relative to thedrain 202. - The
drain shroud 208 is also shown inFIGS. 6A , B. Thedrain shroud 208 is positioned around thedrain 202 and thecontainer valve 200 to substantially prevent splashing and deflection of washout water emptying through thedrain 202. As shown inFIG. 4 , in the openposition container valve 200 is partially disposed below thedrain 202. Because of the flapper type configuration (e.g., for use in cold weather) of thecontainer valve 200 washout water exiting thedrain 202 may impinge upon thecontainer valve 200 and deflect from its downward path. Thedrain shroud 208 extends around thedrain 202 and intercepts deflected water and redirects it downwardly, for instance into the delivery chute of a cement truck. In one example, the drain shroud extends downwardly from thecontainer body 102 and is opposed to at least theopen face 210 of thecontainer valve 200. - As previously described, in operation, the
cementious washout container 100 is placed at a work site where multiple loads of ready mix concrete or cement are delivered. Where waste cement remains in the cement trucks the method includes dumping the cementious liquids including fluids such as water, aggregate particles and fine particles onto a hopper screen, such ashopper screen 110. In one example, thehopper screen 110 is part of a hingedchute assembly 105, such as the hingedchute 106 shown inFIGS. 2A and 2B . Thehopper screen 110 overlies acontainer reservoir 104 of thecontainer body 102. The method further includes screening the fluid and fine particles through thehopper screen 110 into thecontainer reservoir 104 and leaving the aggregate particles on thehopper screen 110. - After screening of the fluid and fine particles the hinged
chute assembly 105, including for instance, the hingedchute 106 is rotated relative to the container body and the aggregate particles are diverted away from thecontainer body 102 by achute panel 109 included with the hinged chute assembly 105 (e.g., hinged chute 106). - The method further includes accumulating washout water including the fluid (e.g., water) and fine particles in the
container body 102. After accumulation of the washout water and the fine particles, for instance, after receiving multiple loads of cement or concrete at a job site, the accumulated washout water and fine particles are funneled to a concrete chute (e.g., on a truck, trailer or the like) through acontainer drain 202 opened acontainer valve 200 on thecontainer body 102. Thecontainer valve 200, in one example, is operated by avalve operating mechanism 204 that facilitates drainage operation of thevalve 200 with thevalve lever 206. In another example, thevalve operating mechanism 204 includes a locked configuration. For instance, thevalve operating mechanism 204 includes linkage bars 212A, B that deflect between locked and open configurations when moving past an intermediate point. The linkage bars 212A retains thecontainer valve 200 against thedrain 202 and substantially prevents leakage of washout water. Movement of thevalve lever 206 and corresponding movement of the linkage bars 212A, B beyond the intermediate point releases thecontainer valve 200 to open thedrain 202. - The cementious washout container described herein separates aggregate particles from waste water and fine particles and accumulates the waste water and fine particles until the last truck having cement or concrete is delivered to a job site. The waste water (including fine particles) is then emptied back into the drum of the last truck at the end of the day for recycling back at the concrete or cement plant. By accumulating and retaining the waste water and fine particles at the job site throughout the day intensive labor and expense for continuously refilling each chute of each truck with washout water and correspondingly transporting and dumping the washout water individually at a waste site is thereby avoided.
- In the foregoing description, the subject matter has been described with reference to specific exemplary examples. However, it will be appreciated that various modifications and changes may be made without departing from the scope of the present subject matter as set forth herein. The description and figures are to be regarded in an illustrative manner, rather than a restrictive one and all such modifications are intended to be included within the scope of the present subject matter. Accordingly, the scope of the subject matter should be determined by the generic examples described herein and their legal equivalents rather than by merely the specific examples described above. For example, the steps recited in any method or process example may be executed in any order and are not limited to the explicit order presented in the specific examples. Additionally, the components and/or elements recited in any apparatus example may be assembled or otherwise operationally configured in a variety of permutations to produce substantially the same result as the present subject matter and are accordingly not limited to the specific configuration recited in the specific examples.
- Benefits, other advantages and solutions to problems have been described above with regard to particular examples; however, any benefit, advantage, solution to problems or any element that may cause any particular benefit, advantage or solution to occur or to become more pronounced are not to be construed as critical, required or essential features or components.
- As used herein, the terms “comprises”, “comprising”, or any variation thereof, are intended to reference a non-exclusive inclusion, such that a process, method, article, composition or apparatus that comprises a list of elements does not include only those elements recited, but may also include other elements not expressly listed or inherent to such process, method, article, composition or apparatus. Other combinations and/or modifications of the above-described structures, arrangements, applications, proportions, elements, materials or components used in the practice of the present subject matter, in addition to those not specifically recited, may be varied or otherwise particularly adapted to specific environments, manufacturing specifications, design parameters or other operating requirements without departing from the general principles of the same.
- The present subject matter has been described above with reference to examples. However, changes and modifications may be made to the examples without departing from the scope of the present subject matter. These and other changes or modifications are intended to be included within the scope of the present subject matter, as expressed in the following claims.
- It is to be understood that the above description is intended to be illustrative, and not restrictive. Many other examples will be apparent to those of skill in the art upon reading and understanding the above description. It should be noted that examples discussed in different portions of the description or referred to in different drawings can be combined to form additional examples of the present application. The scope of the subject matter should, therefore, be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
Claims (26)
1. A cementious washout retention and delivery container comprising:
a container body including a container reservoir;
a hinged chute assembly rotatably coupled with an upper portion of the container body, the hinged chute assembly comprising:
a chute panel, and
a hopper screen coupled with the chute panel, the hopper screen including perforations overlying the container body, a container drain positioned at a lower end of the container body; and
a container valve movably coupled over the container drain.
2. The cementious washout retention and delivery container of claim 1 , wherein the hopper screen extends into the container reservoir from a joint rotatably coupling the hinged chute assembly with the container body.
3. The cementious washout retention and delivery container of claim 1 , wherein the hinged chute assembly is movable between at least two positions including:
a first receiving position where cementious waste is deposited on the hopper screen, and washout water and fine particles of the cementious waste are filtered through the hopper screen into the container body leaving aggregate particles on the screen, and
a second discarding position where the hinged chute assembly is rotated relative to the first receiving position and the aggregate particles are discarded away from the container body over the chute panel.
4. The cementious washout retention and delivery container of claim 1 , wherein the container valve includes a flapper container valve configured for engagement along a perimeter of the container drain.
5. The cementious washout retention and delivery container of claim 4 comprising a drain shroud extending around at least a portion of the container drain, and the drain shroud is configured to intercept fluid.
6. The cementious washout retention and delivery container of claim 1 comprising a valve operating mechanism extending from a perimeter of the container body to the container valve.
7. The cementious washout retention and delivery container of claim 6 , wherein the valve operating mechanism includes two or more linkage bars configured to bias the container valve into a closed configuration that closes the container drain.
8. The cementious washout retention and delivery container of claim 1 , wherein the container body tapers to the container drain, and the taper begins adjacent to a lower end of the container and the taper is remote from the upper end of the container.
9. A cementious washout retention and delivery container comprising:
a container body including a container reservoir;
a hinged chute coupled with the container body, the hinged chute includes a hopper screen having a plurality of perforations configured to screen aggregate particles from cementious waste;
a drain assembly comprising:
a container drain positioned at a lower end of the of the container body the container drain including a drain perimeter, and
a flapper container valve coupled with the container drain; and
a valve operating mechanism coupled with the flapper valve, the valve operating mechanism includes a linkage extending away from the flapper container valve, the valve operating mechanism is positionable between an open and a closed configuration:
in the open configuration, the valve operating mechanism opens the container drain, and
in the closed configuration, the linkage biases the flapper container valve into clamping engagement around the drain perimeter and closes the container drain.
10. The cementious washout retention and delivery container of claim 9 , wherein the linkage includes first and second linkage bars, the first and second linkage bars are rotatably coupled together, the first linkage bar is rotatably coupled at a first joint with the flapper container valve, and the second linkage bar is rotatably coupled with a valve lever near a container body perimeter at a second joint.
11. The cementious washout retention and delivery container of claim 10 , wherein the first and second linkage bars have a combined length greater than a length between the first and second joints, and the linkage is deflected beyond the length between the first and second joints in the closed configuration.
12. The cementious washout retention and delivery container of claim 9 , wherein the hinged chute includes a chute panel adjacent to the hopper screen and the hinged chute is movable between at least two positions including:
a first receiving position where cementious waste is deposited on the hopper screen, and washout water and fine particles of the cementious waste are filtered through the hopper screen into the container body leaving aggregate particles on the screen, and
a second discarding position where the hinged chute is rotated relative to the first receiving position and the aggregate particles are discarded away from the container body over the chute panel.
13. The cementious washout retention and delivery container of claim 9 comprising a drain shroud extending around at least a portion of the container drain, and the drain shroud is configured to intercept fluid from the container drain.
14. The cementious washout retention and delivery container of claim 13 , wherein the linkage extends through the drain shroud to the flapper container valve.
15. The cementious washout retention and delivery container of claim 13 , wherein the flapper container valve is within the drain shroud.
16. The cementious washout retention and delivery container of claim 9 , wherein the container body tapers proximate a lower end of the container body.
17. A method for using a cementious washout container comprising:
depositing cementious waste including washout water, aggregate particles and fine particles on a hopper screen of a hinge chute, the hopper screen overlies a container reservoir of a container body;
screening the washout water and fine particles through the hopper screen into the container reservoir and leaving the aggregate particles on the hopper screen;
rotating the hinged chute and diverting the aggregate particles away from the container body along a chute panel included with the hinged chute;
accumulating washout water and fine particles in the container reservoir; and
dispensing the accumulated washout water and fine particles to a cement or concrete chute through a container drain of the cementious washout container.
18. The method of claim 17 , wherein accumulating washout water includes repeating deposition of the cementious waste and screening at least once.
19. The method of claim 17 , wherein dispensing the accumulated washout water and fine particles to a cement or concrete chute includes consolidating a plurality of cementious waste deposits each including washout water and fine particles into a single volume of washout water and fine particles.
20. The method of claim 17 , wherein screening the washout water and fine particles includes retaining the hinge chute at a first receiving position with the hopper screen extending across a chute opening of the container body.
21. The method of claim 20 , wherein rotating the hinged chute and diverting the aggregate particles includes rotating the hinged chute to a second discarding position with the chute panel slanted away from the container body.
22. The method of claim 17 , wherein dispensing the accumulated washout water and fine particles includes opening a container valve.
23. The method of claim 22 , wherein opening the container valve includes disengaging a flapper container valve from a drain perimeter.
24. The method of claim 23 , wherein dispensing the accumulated washout water and fine particles includes intercepting splashed washout water with a drain shroud extending at least partially around the flapper container valve.
25. The method of claim 17 , wherein opening the container drain includes operating a valve operating mechanism extending from the container valve to a container body perimeter.
26. The method of claim 17 comprising biasing a container valve including a flapper container valve into a closed configuration with a valve operating mechanism.
Priority Applications (1)
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US13/208,240 US20120037231A1 (en) | 2010-08-13 | 2011-08-11 | Cementious washout container and method for same |
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US13/208,240 US20120037231A1 (en) | 2010-08-13 | 2011-08-11 | Cementious washout container and method for same |
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US20120037231A1 true US20120037231A1 (en) | 2012-02-16 |
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US13/208,240 Abandoned US20120037231A1 (en) | 2010-08-13 | 2011-08-11 | Cementious washout container and method for same |
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