CN105254080A - Coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device and method - Google Patents
Coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device and method Download PDFInfo
- Publication number
- CN105254080A CN105254080A CN201510613724.8A CN201510613724A CN105254080A CN 105254080 A CN105254080 A CN 105254080A CN 201510613724 A CN201510613724 A CN 201510613724A CN 105254080 A CN105254080 A CN 105254080A
- Authority
- CN
- China
- Prior art keywords
- material layer
- filter material
- coal mine
- waste water
- liquid waste
- 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.)
- Granted
Links
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to a coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device and a method. The coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device comprises a bucket body; from the lower part to the upper part, a bottom water channel, a bottom supporting plate, filter heads, a bottom grille plate, a bottom filter material layer, a bi-directional gas flushing pipe, a middle grille plate, a middle filter material layer, an upper filter material layer, and an upper clear water zone are arranged in the bucket body successively; the bottom supporting plate is provided with the plurality of filter heads; the bottom of the side surface of the bucket body is provided with a water washing port, a gas washing port, a water inlet, and a gas inlet; one side of the top part of the bucket body is provided with a water outlet and a drainage exit; and the outer wall corresponding to the bottom filter material layer of the bucket body is provided with an access hole. The coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device can be used for collecting and treating emulsified liquid wastewater at an underground face; multilevel adsorption is adopted, and combination with bi-directional gas flushing is adopted, so that high molecular organic pollutants in the emulsified liquid wastewater, which are difficult to degrade, are removed effectively; and hardening of porous filling materials in the coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device is avoided.
Description
Technical field
The invention belongs to colliery stain disease processing technology field, particularly relate to a kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit and method.
Background technology
Along with improving constantly of mining mechanization degree, it is more and more general that fully-mechanized mining working uses hydraulic support to make roof timbering.In hydraulic support work and maintenance process, a large amount of emulsifying liquid waste waters is discharged, this part waste water finally flows into down-hole through working face and enters in pit water with working face draining, swim in pit water surface and form the thick black oil film of one deck, organoleptic difference, affects the coagulating sedimentation of suspended substance in pit water, causes equipment dirt stifled, cause inclined tube blocking in settling pond to cave in, bring to the operation for the treatment of mine drainage factory and have a strong impact on.At present, for oil in water emulsion in pit water, be all treating mine drainage while, adopt mechanical frizing, the mode of chemical agent breaking milk and removing oil or ultrafiltration oil removing removed, there is the defects such as processing efficiency is low, construction investment is high, intractability is large, working cost is high.
Summary of the invention
The invention provides a kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit, this device can be collected at mining face under mine and process emulsifying liquid waste water, device adopts the know-why of multi-stage absorption, in conjunction with two-way gas punching, effectively eliminate polymer in emulsifying liquid waste water, Persistent organic pollutants, avoid hardening of protruded packing in device simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit, this device comprises cylindrical shell, inner barrel is provided with bottom water flow passage from bottom to top successively, bottom support plate, filter, bottom grid plate, bottom filter material layer, two-way gas washing pipe, middle part flase floor, middle filter material layer, top filter material layer and clear water zone, top, bottom support plate is provided with multiple filter, the bottom of described cylindrical shell side is provided with water rinse mouth, gas flushing mouth, water-in and inlet mouth, the side, top of cylindrical shell is provided with water outlet and water port, the outer wall that the bottom filter material layer of cylindrical shell is corresponding is provided with access opening.Regularly filtrate is added by access opening.Described bottom filter material layer adopts turn interleaving flushing mode, carries out longitudinal air-water flushing, and carries out horizontal gas flushing by two groups of two-way gas washing pipes, effectively prevent hardening of filter material layer by bottom water flow and gas.
As preferably, the height of described bottom water flow passage is 600 ~ 800mm.Bottom when guaranteeing air-water backwashing, water-gas distribution is even.
As preferably, described bottom grid plate is provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm.To tackle bottom filter material layer.
As preferably, the filtrate in the filter material layer of described bottom is spherical or elliposoidal, and specification is Φ 15mm ~ Φ 30mm, and filling ratio is 45% ~ 50%.Guarantee that bottom filter material layer is in fluidized state.Bottom filtrate main component is iron and carbon, and iron-carbon ratio is 5:1 ~ 6:1, and iron carbon forms microbattery in water, produce a large amount of bioactive molecule, cause the organism generation redox reaction in water, be degraded into small organic molecule or inorganics, and removed by carbon adsorption effect.
There is a large amount of micropore in spherical or elliposoidal filter material surface, specific surface area is 3 ~ 5 times of conventional iron carbon filtrate, adds the contact area of waste water and filter material surface, shortens the reaction times, be 1/5 ~ 1/3 of the conventional iron carbon filtrate reaction times, loading capacity increases by 2 ~ 3 times.
As preferably, two-way gas washing pipe is along drum shaft to arranging and being fixed on cylinder inboard wall face, and two-way gas washing pipe is connected with pneumavalve.
As preferably, described two-way gas washing pipe is made up of 8 perforated pipes, and 4 of same perforate direction is one group, is controlled by same pneumavalve; The perforate direction of every root perforated pipe and the angle of cylindrical shell radial direction are 45 ° of angles, and every 2 perforated pipes are close to layout side by side, and 2 adjacent perforated pipe perforate directions are 90 ° of angles, adopt centrosymmetric arrangement form.During normal operation, open two groups of pneumavalves simultaneously, aeration aerating is carried out to water body, keep gas-water ratio 2:1 ~ 3:1.During flushing, two groups of alternate runs, maintenance backwash rate is 12 ~ 16L/m
2s, washing length 1 ~ 3min, a flushing course replaces 2 ~ 3 times.Filtrate to be interlocked flow state in transverse reciprocating in pond, effectively prevent hardening of filtrate.
As preferably, described middle part flase floor establishes stainless steel filtering net, mesh order number is not less than 24 orders.For tackling the filtrate of middle filter material layer and top filter material layer.
As preferably, the filtrate that described middle filter material layer adopts is gravel or cobble, is of a size of 2 ~ 4mm; Can suspended substance and colloid in effectively catching water; The filtrate that described top filter material layer adopts is active fruit shell carbon filtrate, is of a size of 1.2 ~ 1.6mm.Active fruit shell carbon filtrate space is flourishing, and specific surface area is large, has good adsorption.
Adopt three-layer filter layer, redox adsorption effect is completed in the first layer filter material layer, larger molecular organics is degraded into small organic molecule or inorganics by redoxomorphism, then by an Adsorption part, the product of the first filter material layer reaction forms flco and retains removal by middle filter material layer together with the suspended substance in water, in water, remaining small organic molecule and inorganics retain removal further by the absorption of top filter material layer, adopt three-layer filter to realize multi-stage absorption to retain, the removal of oil in water emulsion in waste water can be completed in structures, more conventional ground treatment process is reduced investment outlay and takes up an area more than 2/3.
A kind of down-hole combined mining working emulsified liquid waste water treatment method, it is inner that emulsifying liquid waste water enters described underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit from water-in, for guaranteeing that waste water is no less than 10min at bottom reaction time, control the lift velocity≤6m/h of water inlet current, first bottom filter material layer is entered, after light electrolysis, redox, adsorption, enter top filter material layer through middle filter material layer, discharge from water outlet after absorption further.
As preferably, described two-way gas washing pipe possesses aeration aerating and horizontal pre-washing function simultaneously.During normal operation, open two groups of pneumavalves, adjustment gas-water ratio is 2:1 ~ 3:1, and air-flow and current are tangential motion, and coefficient of oxygen utilization is high simultaneously.During flushing, guarantee that backwash rate is 12 ~ 16L/m
2s.Two groups of alternate runs, washing length 1 ~ 3min, a flushing course replaces 2 ~ 3 times.
The present invention adopts multilayer filtrate, utilizes the principle of light electrolysis, redox and multi-stage absorption, emulsification wet goods larger molecular organics in emulsion is resolved into small organic molecule, is removed by adsorption.The method adopted is as follows: first, by the emulsifying liquid waste water that gathers by lift pump or elevated tank by bottom water inlet pipe access to plant bottom water flow passage, pass through filter, uniform fluid flow enters bottom filter material layer, there is the effects such as light electrolysis, redox reaction, absorption in the filtering layer of bottom after, in oil in water emulsion, larger molecular organics resolves into small organic molecule and the inorganics of easily degraded, current enter top filter material layer through middle filter material layer, adsorb, crown_interception, further removal oil-in-water class and a small amount of suspended substance, standard water discharge is discharged.
Advantage of the present invention is: adopt multilayer filtrate, light electrolysis, redox and multi-stage absorption is realized in structures, oil in water emulsion in waste water is removed, system is simple, occupation of land economizes, treatment effect is good, relative to embrane method reduced investment, operational management is convenient, maintenance cost is low, before emulsifying liquid waste water enters shaft sump, oil in water emulsion in water can be removed, greatly save investment and the running cost of day mineral well water treatment station, reduce the intractability of day mineral well water treatment station, there is significant economic benefit.Adopt horizontal two-way cross gas to rush air-water flushing longitudinal with bottom to combine, can effectively prevent hardening of bottom filtrate.Two-way gas washing pipe has the function of aeration aerating concurrently simultaneously, and air-flow and current are tangential motion, and coefficient of oxygen utilization is high, and more conventional bottom aeration aerating saves 1/3 ~ 1/2.Bottom adopts porous iron carbon filtrate, and filter material surface exists a large amount of micropore, more conventional iron carbon filtrate Reaction time shorten 2 ~ 4 times, and loading capacity increases by 2 ~ 3 times.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is two-way gas washing pipe schematic layout pattern of the present invention;
In figure: 1-cylindrical shell; 2-bottom water flow passage; 3-bottom support plate; 4-filter; 5-bottom grid plate; Filter material layer bottom 6-; The two-way gas washing pipe of 7-; Flase floor in the middle part of 8-; Filter material layer in the middle of 9-; 10-top filter material layer; Clear water zone, 11-top; 12-water-in; 13-water outlet; 14-water rinse mouth; 15-gas flushing mouth; 16-water port; 17-inlet mouth; 18 access openings.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
Embodiment:
A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit, as shown in Figure 1, this device comprises cylindrical shell 1, inner barrel is provided with bottom water flow passage 2 from bottom to top successively, bottom support plate 3, filter 4, bottom grid plate 5, bottom filter material layer 6, two-way gas washing pipe 7, middle part flase floor 8, middle filter material layer 9, top filter material layer 10 and clear water zone, top 11, the bottom of described cylindrical shell 1 side is provided with water-in 12, water rinse mouth 14, gas flushing mouth 15 and inlet mouth 17, the side, top of cylindrical shell 1 is provided with water outlet 13 and water port 16, the outer wall of bottom filter material layer 7 correspondence of cylindrical shell 1 is provided with access opening 18, regularly filtrate is added by this access opening.Liquid in bottom water flow passage 2 enters the bottom filter material layer 6 be positioned at above bottom support plate through filter.Two-way gas washing pipe is along drum shaft to arranging and being fixed on cylinder inboard wall face, and two-way gas washing pipe is connected with pneumavalve.
Described two-way gas washing pipe as shown in Figure 2, is made up of 8 perforated pipes.Every 2 are arranged in juxtaposition, and perforate direction is 90 ° of angles, and single Zhi Kaikong direction and medullary ray are 45 ° of angles, and pipe a, b, c, d are one group, are controlled by same pneumavalve; Pipe e, f, g, h are another group, are controlled by another pneumavalve, and during flushing, two groups of alternate runs, a flushing course replaces 2 ~ 3 times, filtrate to be interlocked flow state in transverse reciprocating in pond, effectively prevent hardening of filtrate.During normal operation, two groups of pneumavalves are opened simultaneously, and air-flow and current are tangential motion, and coefficient of oxygen utilization is high, and more conventional bottom aeration aerating saves 1/3 ~ 1/2.
The height of described bottom water flow passage is 600 ~ 800mm, and bottom when guaranteeing air-water backwashing, air water is uniformly distributed.Described bottom grid plate 6 is provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm, to tackle bottom filter material layer.Described middle part flase floor 9 establishes stainless steel filtering net, and mesh order number is not less than 24 orders, for tackling the filtrate of middle filter material layer and top filter material layer.
Filtrate in described bottom filter material layer 7 is spherical or elliposoidal, and specification is Φ 15mm ~ Φ 30mm, and filling ratio is 45% ~ 50%, guarantees that bottom filter material layer is in fluidized state.Bottom filtrate main component is iron and carbon, and iron-carbon ratio is 5:1 ~ 6:1, and iron carbon forms microbattery in water, produce a large amount of bioactive molecule, cause the organism generation redox reaction in water, be degraded into small organic molecule or inorganics, and removed by carbon adsorption effect.And there is a large amount of micropore in spherical or elliposoidal filter material surface, specific surface area is 3 ~ 5 times of conventional iron carbon filtrate, adds the contact area of waste water and filter material surface, shortens the reaction times, be 1/5 ~ 1/3 of the conventional iron carbon filtrate reaction times, loading capacity increases by 2 ~ 3 times.
The filtrate that described middle filter material layer 10 adopts is gravel or cobble, for tackling suspended substance in the product of bottom filter material layer redox reaction and water; The filtrate that described top filter material layer 11 adopts is active fruit shell carbon filtrate, and active fruit shell carbon filtrate space is flourishing, and specific surface area is large, can adsorb small organic molecule, inorganics and colloid residual in trap water further, guarantee standard water discharge.
When this underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit uses, the underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit that emulsifying liquid waste water enters described in claim 1 from water-in 12 is inner, for guaranteeing that waste water is no less than 10min at bottom reaction time, control the lift velocity≤6m/h of water inlet current, first bottom filter material layer 6 is entered, after light electrolysis, redox, adsorption, enter top filter material layer 10 through middle filter material layer 9, discharge from water outlet 13 after absorption further.Described two-way gas washing pipe 8 possesses aeration aerating and horizontal pre-washing function simultaneously, and when normally running, open two groups of pneumavalves, adjustment gas-water ratio is 2:1 ~ 3:1, and air-flow and current are tangential motion, and coefficient of oxygen utilization is high simultaneously.During flushing, guarantee that backwash rate is 12 ~ 16L/m
2s, two groups of alternate runs, washing length 1 ~ 3min.Filtrate to be interlocked flow state in transverse reciprocating in pond, effectively prevent hardening of filtrate.
These apparatus and method have that flow process is simple, compact construction, easy to operate, small accommodation area, less investment, working cost are low, high treating effect.Before emulsifying liquid waste water enters shaft sump, the oil in water emulsion in water is removed, greatly reduce investment and the working cost of day mineral well water treatment station, alleviate the operating load of day mineral well water treatment station, there is significant economic benefit.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (9)
1. a underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit, it is characterized in that: this device comprises cylindrical shell (1), inner barrel is provided with bottom water flow passage (2) from bottom to top successively, bottom support plate (3), filter (4), bottom grid plate (5), bottom filter material layer (6), two-way gas washing pipe (7), middle part flase floor (8), middle filter material layer (9), top filter material layer (10) and clear water zone, top (11), the bottom of described cylindrical shell (1) side is provided with water-in (12), water rinse mouth (14), gas flushing mouth (15) and inlet mouth (17), the side, top of cylindrical shell (1) is provided with water outlet (13) and water port (16), the outer wall that the bottom filter material layer (6) of cylindrical shell (1) is corresponding is provided with access opening (18).
2. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, is characterized in that, two-way gas washing pipe (7) is along drum shaft to arranging and being fixed on cylinder inboard wall face, and two-way gas washing pipe (7) is connected with pneumavalve.
3. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, is characterized in that, described two-way gas washing pipe (7) is made up of 8 perforated pipes, and 4 of same perforate direction is one group, is controlled by same pneumavalve; The perforate direction of every root perforated pipe and the angle of cylindrical shell radial direction are 45 ° of angles, and every 2 perforated pipes are close to layout side by side, and 2 adjacent perforated pipe perforate directions are 90 ° of angles, adopt centrosymmetric arrangement form.
4. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, it is characterized in that, the filtrate in described bottom filter material layer (6) is spherical or elliposoidal, and specification is Φ 15mm ~ Φ 30mm, and filling ratio is 45% ~ 50%.
5. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, is characterized in that, the height of described bottom water flow passage is 600 ~ 800mm.
6. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, it is characterized in that, described bottom grid plate is provided with stainless steel filtering net, mesh size≤1.0cm × 1.0cm, described middle part flase floor establishes stainless steel filtering net, and mesh order number is not less than 24 orders.
7. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 1, is characterized in that, the filtrate that described middle filter material layer (9) adopts is gravel or cobble, is of a size of 2 ~ 4mm; The filtrate that described top filter material layer (10) adopts is active fruit shell carbon filtrate, is of a size of 1.2 ~ 1.6mm.
8. a down-hole combined mining working emulsified liquid waste water treatment method, it is characterized in that: the underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit that emulsifying liquid waste water enters described in claim 1 from water-in (12) is inner, for guaranteeing that waste water is no less than 10min at bottom reaction time, control the lift velocity≤6m/h of water inlet current, first bottom filter material layer (6) is entered, after light electrolysis, redox, adsorption, enter top filter material layer (10) through middle filter material layer (9), discharge from water outlet (13) after absorption further.
9. underground coal mine fully-mechanized mining working emulsifying liquid waste water treatment unit according to claim 8, is characterized in that, described two-way gas washing pipe possesses aeration aerating and horizontal pre-washing function simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613724.8A CN105254080B (en) | 2015-09-23 | 2015-09-23 | A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613724.8A CN105254080B (en) | 2015-09-23 | 2015-09-23 | A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105254080A true CN105254080A (en) | 2016-01-20 |
| CN105254080B CN105254080B (en) | 2017-07-18 |
Family
ID=55094085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510613724.8A Active CN105254080B (en) | 2015-09-23 | 2015-09-23 | A kind of underground coal mine fully-mechanized mining working emulsifying liquid waste water processing unit and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105254080B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179881A (en) * | 2018-09-28 | 2019-01-11 | 广州亿骏科技有限公司 | A kind of mining filter device carrying out stable emissions water resource |
| CN109319969A (en) * | 2018-12-12 | 2019-02-12 | 瑞盛环境股份有限公司 | A kind of new air-floating filter with deslagging function |
| CN110015779A (en) * | 2019-04-03 | 2019-07-16 | 哈尔滨工程大学 | Ship washes processing unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6159363A (en) * | 1998-04-30 | 2000-12-12 | Corning Incorporated | Water carafe filter cartridge |
| CN101792239A (en) * | 2010-03-31 | 2010-08-04 | 成都蜀光石油化学有限公司 | Method for treatment of waste emulsion |
| CN103539255A (en) * | 2013-10-12 | 2014-01-29 | 华南理工大学 | Suspended ceramsite-active carbon double-layer filtering tank and method for applying filtering tank in treating raw water |
| CN103848496A (en) * | 2014-02-18 | 2014-06-11 | 中持（北京）水务运营有限公司 | Biological aerated filter adopting combined packing way |
| CN204079602U (en) * | 2014-06-04 | 2015-01-07 | 东华大学 | A kind of artificial swamp of assisting aeration and solving blocking with back flushing measure |
-
2015
- 2015-09-23 CN CN201510613724.8A patent/CN105254080B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6159363A (en) * | 1998-04-30 | 2000-12-12 | Corning Incorporated | Water carafe filter cartridge |
| CN101792239A (en) * | 2010-03-31 | 2010-08-04 | 成都蜀光石油化学有限公司 | Method for treatment of waste emulsion |
| CN103539255A (en) * | 2013-10-12 | 2014-01-29 | 华南理工大学 | Suspended ceramsite-active carbon double-layer filtering tank and method for applying filtering tank in treating raw water |
| CN103848496A (en) * | 2014-02-18 | 2014-06-11 | 中持（北京）水务运营有限公司 | Biological aerated filter adopting combined packing way |
| CN204079602U (en) * | 2014-06-04 | 2015-01-07 | 东华大学 | A kind of artificial swamp of assisting aeration and solving blocking with back flushing measure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179881A (en) * | 2018-09-28 | 2019-01-11 | 广州亿骏科技有限公司 | A kind of mining filter device carrying out stable emissions water resource |
| CN109319969A (en) * | 2018-12-12 | 2019-02-12 | 瑞盛环境股份有限公司 | A kind of new air-floating filter with deslagging function |
| CN110015779A (en) * | 2019-04-03 | 2019-07-16 | 哈尔滨工程大学 | Ship washes processing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105254080B (en) | 2017-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5676757B2 (en) | Sewage treatment system | |
| CN202657982U (en) | Hydraulic conveying filter material continuous type activated carbon adsorption device | |
| CN105833578B (en) | Water treatment facilities and system | |
| KR100932154B1 (en) | A non-powered water purifying plant | |
| CN104291503A (en) | Electrocatalytic oxidation treatment method and treatment system for sanitary sewage of marine platform | |
| CN107899298A (en) | A kind of anticlogging sewage-treatment plant | |
| CN105254080A (en) | Coal mine underground fully mechanized coal mining face emulsified liquid wastewater treatment device and method | |
| CN107869163A (en) | A kind of rain water reservoir system | |
| CN201395548Y (en) | Device for treating suspended sludge of compound alkali-surfactant-polymer oil extraction sewage | |
| CN108479132A (en) | Hardened filter and method are broken in multilayer static cutting | |
| CN203904163U (en) | Ship sewage disposal equipment | |
| CN105236687B (en) | The micro- vertical baffling wetland sewage-treatment plant of aeration of self-cleaning type and method | |
| CN203392952U (en) | Mine water treatment device for underground coal mines | |
| CN109574240A (en) | A kind of artificial swamp ecological wastewater treatment system | |
| CN205061756U (en) | Colliery is combined in pit and is adopted working face emulsion effluent disposal system | |
| CN105110454A (en) | Aeration biological activated carbon filter | |
| CN104556485A (en) | High-efficiency oil removal and turbidity removal device and oil-containing and turbidity-containing wastewater treatment process | |
| CN201358195Y (en) | Water purifier set integrating pressure air flotation with filtration | |
| WO2016034118A1 (en) | Method and device for reversing and discharging active coke in sewage treatment device | |
| CN102076616B (en) | Apparatus for cleaning sewage | |
| CN201501818U (en) | Efficient catalytic oxidation filter | |
| CN206858382U (en) | A kind of chemical effluent purifying processing unit | |
| CN216445173U (en) | Combined multifunctional water treatment system | |
| CN108751649A (en) | A kind of processing system having to rural sewage treatment excess sludge | |
| CN101643302B (en) | Water treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee after: Hangzhou Research Institute Co.,Ltd. Address before: 311201 Hangzhou, Xiaoshan District, Zhejiang Province Road No. 288 show Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP HANGZHOU ENVIRONMENTAL PROTECTION INSTITUTE Co.,Ltd. |