CN101984276B - Pneumatic gate valve - Google Patents
Pneumatic gate valve Download PDFInfo
- Publication number
- CN101984276B CN101984276B CN2010105161942A CN201010516194A CN101984276B CN 101984276 B CN101984276 B CN 101984276B CN 2010105161942 A CN2010105161942 A CN 2010105161942A CN 201010516194 A CN201010516194 A CN 201010516194A CN 101984276 B CN101984276 B CN 101984276B
- Authority
- CN
- China
- Prior art keywords
- suction port
- flashboard
- valve
- brake plate
- pneumatic brake
- 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.)
- Active
Links
Images
Abstract
The invention discloses a pneumatic gate valve. The invention is characterized in that the gate plate cavity of the pneumatic gate valve is square, and under the same working stroke, the discharge amount is multiple times of that of a round gate valve; meanwhile, a first blow air inlet, a second blow air inlet, a third blow air inlet and a fourth blow air inlet are formed on three side walls of the corresponding gate plate cavity outside a valve body; and along the flowing direction of the air flow in the gate plate cavity, the inlet air at the fourth blow air inlet on the first side wall reaches the first blow air inlet, the inlet air at the first blow air inlet reaches the second blow air inlet, the inlet air at the second blow air inlet reaches the third blow air inlet, and the inlet air at the third blow air inlet returns to the first side wall again. As the air flow forms a circulating air flow on the periphery of a material channel along the flowing direction, the problem of dead angle among the blow air inlets of the gate plate valve in the prior art is solved, the materials in the gate plate cavity can be thoroughly cleared and the sealing performance of the gate plate valve is improved.
Description
Technical field
The present invention relates to a kind of gate valve, be specifically related to a kind of pneumatic brake plate valve that is used for ash-transmission system.
Technical background
Gate valve is a kind of valve commonly used in the delivery line, is used to connect and block the discharging of material, and the open-shut device in the gate valve is exactly a flashboard, through mentioning or the opening and closing of realization to gate valve of landing of said flashboard; Gate valve in the conventional art in use; Because material is deposited on the gate valve and blanking after gate valve is opened; Like this in the process that gate valve is opened; A fraction of material can be along with opening of gate valve attached to moving on the flashboard thereupon, and then make material move in the valve pocket and then deposition, have the slit when long-term accumulated can cause flashboard in off position and between the valve pocket; Influence the sealing effect of gate valve, also can cause the valve pocket of gate valve obstruction to occur and cause gate valve to close when serious.
In order to address this problem; Chinese patent document CN2690682Y just discloses a kind of gate valve that is provided with the novel blowing device that is used for valve pocket inside residual material is purged; This gate valve is made up of cylinder, control unit, valve component, and the flashboard in the said valve component links to each other with piston rod, is symmetrical set several purge holes at the periphery of said valve body; Pipeline links to each other with valve pocket through said purge hole with angle coupling through delta connection; And link to each other with said control unit through one-way valve, said control unit with control power supply and compressed air gas source and link to each other, under the effect of said control unit; When said gate valve was in opening state, said pressurized air got into valve pocket through purge hole said valve pocket is purged.
The described gate valve of above-mentioned technology; Although purge hole is peripheral symmetrically arranged at said valve body; But,, thereby can only realize the deposition material of valve pocket local space is removed so pressurized gas can't form a circuit gaseous purge stream in valve pocket because said pressurized gas sprays through behind the purge hole radially; And in said valve pocket, between adjacent two purge holes, still exist radial gas flow purging less than the dead angle; The deposition material that is positioned at the place, dead angle so just can't be eliminated, and these deposition materials can have influence on closing of flashboard equally, causes the sealing of flashboard to reduce.
Summary of the invention
Technical problem to be solved by this invention is that the position that is provided with of the blowing cleaner of gate valve of the prior art is that periphery along said valve body is symmetrical set; There is the dead angle when purging in this set-up mode; Can't realize removing to the deposition material that is positioned at the place, dead angle; Thereby influenced the sealing of gate valve, and then a kind of pneumatic brake plate valve that can thoroughly remove the deposition material in the gate valve cavity is provided.
In order to solve the problems of the technologies described above, the invention provides a kind of pneumatic brake plate valve, the piston that comprises cylinder body and be positioned at said cylinder body, the biasing force parts of the said piston that is used to reset; Cylinder body below the said piston is provided with dynamic medium and imports and exports;
Valve body is connected setting with said cylinder body, has a valve pocket at said valve body near an end of said cylinder body, is provided with the flashboard chamber at the other end of said valve inner;
Material feeding mouth and discharge port are arranged on the said valve body, and said material feeding mouth and said discharge port realize being communicated with formation blanking cavity, said blanking cavity and perpendicular setting in said flashboard chamber and connection;
Pull bar, said pull bar are arranged in the said valve pocket; One end of said pull bar is connected with said piston, and the other end is connected with flashboard, and said flashboard is suitable for inserting in the said flashboard chamber said blanking cavity is cut off fully;
Said flashboard chamber is square, and three side-walls in corresponding flashboard chamber, said valve body outside are respectively arranged with the purging suction port, and said purging suction port is connected with said flashboard chamber;
Wherein, on said the first side wall, be provided with first near the corner of second sidewall adjacent and purge suction port with said the first side wall; On said second sidewall, be provided with second near the corner of the 3rd sidewall adjacent and purge suction port with said second sidewall; Be provided with the 3rd purging suction port on said the 3rd sidewall and between said blanking cavity and said valve pocket; Said first, second, third purges suction port all belongs to sidewall towards it right opposite setting;
Be provided with the 4th purging suction port on the said the first side wall and between said the 3rd purging suction port right opposite and said valve pocket; The said the 4th purges suction port has a curved gas-entered passageway, and the suction port of said curved gas-entered passageway is towards the said second sidewall setting.
Said flashboard chamber is rectangle.
Said curved be
shape.
The said the 3rd purges suction port is arranged near said valve pocket place.
Upper side wall in said flashboard chamber offers airtight sealing groove, in said airtight sealing groove set inside the gas sealing mechanism that said flashboard is carried out fixed limit is arranged, and said airtight sealing groove is connected with hermetic seal suction port on being arranged on said valve body;
The medial axis of said the 3rd purging suction port is positioned at the opening elongated area of said airtight sealing groove near the opening slot of said valve pocket.
The medial axis of the said first purging suction port is positioned at the opening elongated area of said airtight sealing groove near the reciprocal opening slot of said valve pocket.
Said leaktight encapsulation is changed to the hermetic seal circle, and said airtight seal and has the gap between the top of said airtight sealing groove when off working state.
Said airtight sealing groove is an annular groove.
Side in said flashboard chamber offers the groove that can embed removing device, and the sidewall towards said material feeding mouth of said removing device and said flashboard contacts.
Said removing device is a Stamping Steel Ribbon.
Said groove is an annular groove.
Pneumatic brake plate valve of the present invention has the following advantages:
(1) pneumatic brake plate valve provided by the invention, three sidewalls in the outside corresponding flashboard of said valve body chamber are provided with first, second, third, fourth and purge suction port.In said flashboard chamber; Flow direction along air-flow; The air inlet that the air inlet that the air inlet arrival first purging suction port place, first of the purging of the 4th on the first side wall suction port purges suction port arrives the second purging suction port place, the second purging suction port arrives the 3rd purging suction port place; The air inlet of the 3rd purging suction port is got back on the first side wall once more; Air-flow along its flow to direction form in the periphery of material channel one around circulating air flow, therefore can not have any dead angle, can thoroughly remove attached to the material particles in the flashboard chamber.In addition, the present invention is provided with the said the 3rd and purges suction port in the position near valve pocket, so more can strengthen the cleaning range to said flashboard chamber.
(2) pneumatic brake plate valve provided by the invention is arranged to rectangular with said flashboard chamber, and under the situation of same working stroke, load can be the several times of circular gate valve like this.
(3) pneumatic brake plate valve provided by the invention; Side in said flashboard chamber offers airtight sealing groove; Said airtight sealing groove is connected with hermetic seal suction port on being arranged on said valve body, in said airtight sealing groove set inside the airtight seal of said flashboard being carried out fixed limit is arranged.When said gate valve cuts out; Charge into pressurized air through the air chamber of hermetic seal suction port between the gentle seal groove of said airtight seal, under said compressed-air actuated contention effect, it is inconsistent to promote said airtight seal and said flashboard; Said gate valve is carried out fixed limit; When said gate valve is opened, release pressurized air through said hermetic seal suction port again, produce the slit again between said airtight seal and the said flashboard; Spur said flashboard through said Pneumatic actuator and open said gate valve; This sealing means has improved the sealing of gate valve, has also avoided in traditional gate valve between the valve body and flashboard having prolonged the working life of gate valve owing to the rigid wear phenomenon that causes that contacts.
In addition, said pneumatic brake plate valve be provided with the said the 3rd purge suction port the medial axis be positioned at the opening elongated area of said airtight sealing groove near the opening slot of said valve pocket; The medial axis that the said first purging suction port is set is positioned at the opening elongated area of said airtight sealing groove near the reciprocal opening slot of said valve pocket.Be because after the air chamber to said airtight sealing groove carries out pressure release; Said gas sealing mechanism can shrink in the into said airtight sealing groove; Open flashboard can cause material to stockpile the surface at said gas sealing mechanism this moment, like this when promoting said flashboard once more and close gate valve, and can be down and be pushed into the position of said flashboard and valve body conflict with the material web that stockpiles; Cause the material between said flashboard and the valve body to be compacted; Even use the purging air inlet also to be difficult to remove, therefore, the present invention is with the direction setting of airtight sealing groove along the air-flow of said purging suction port formation; When said gate valve is opened, said airtight sealing groove is cleaned timely, avoid occurring the phenomenon that material stockpiles.
(4) pneumatic brake plate valve provided by the invention offers the groove that can embed removing device in a side of said gate valve, and a sidewall of said removing device and said flashboard contacts.In the process of said gate valve opening and closing; Said removing device can scrape the material on the said flashboard; Prevent that a large amount of materials on the said flashboard from getting into valve pocket all around; Further guaranteed can not have material particles between the gentle seal ring of flashboard, guaranteed the sealing of gate valve, strengthened the stability of gate valve work.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation,
Shown in Figure 1 is the structural drawing of pneumatic brake plate valve according to the invention;
Shown in Figure 2 is the sectional view that the local valve body that is provided with the purging suction port according to the invention is overlooked;
Shown in Figure 3 is the structural drawing that is provided with the pneumatic brake plate valve of gas sealing mechanism according to the invention;
Shown in Figure 4 is the sectional view of A-A face among Fig. 3;
Shown in Figure 5 is the structural drawing that is provided with the pneumatic brake plate valve of removing device according to the invention;
Wherein, reference character is: the 1-cylinder body; The 2-dynamic medium is imported and exported; The 3-piston; 4-biasing force parts; The 5-valve body; The 6-material feeding mouth; The 7-discharge port; The 8-pull bar; The 9-flashboard; The 10-valve pocket; 111-first purges suction port; 112-second purges suction port; 113-the 3rd purges suction port; 114-the 4th purges suction port; The 1111-the first side wall; 1112-second sidewall; 1113-the 3rd sidewall; The airtight sealing groove of 12-; The airtight seal of 13-; 14-hermetic seal suction port; The 15-Stamping Steel Ribbon; 16-flashboard chamber; 17-blanking cavity.
Embodiment
Embodiment 1
As shown in Figure 1 is the structural drawing of pneumatic brake plate valve according to the invention, the piston 3 that the plate valve of pneumatic brake described in the present embodiment comprises cylinder body 1 and is positioned at said cylinder body 1, the biasing force parts 4 of the said piston 3 that is used to reset; Cylinder body 1 below the said piston 3 is provided with dynamic medium and imports and exports 2, and said dynamic medium is imported and exported 2 and is connected with external source of the gas;
Be connected with valve body 5 with said cylinder body 1, have a valve pocket 10 near an end of said cylinder body 1, be provided with flashboard chamber 16 at the said valve body 5 inner the other ends at said valve body 5;
Said valve body 5 is provided with material feeding mouth 6 and discharge port 7, and said material feeding mouth 6 realizes being communicated with formation blanking cavity 17, said blanking cavity 17 and 16 perpendicular setting and the connections of said flashboard chamber with said discharge port 7;
In said valve pocket, be provided with pull bar 8, an end of said pull bar 8 is connected with said piston 3, and the other end is connected with flashboard 9, and said flashboard 9 is suitable for inserting in the said flashboard chamber 16 said blanking cavity 17 is cut off fully;
Said flashboard chamber 16 is square, and three side-walls in said valve body 5 outside corresponding flashboard chambeies 16 are respectively arranged with the purging suction port, and said purging suction port is connected with said flashboard chamber 16, and the set-up mode of said purging suction port is as shown in Figure 2;
Wherein, on said the first side wall 1111, be provided with first near the corner of second sidewall 1112 adjacent and purge suction port 111 with said the first side wall 1111; On said second sidewall 1112, be provided with second near the corner of the 3rd sidewall 1113 adjacent and purge suction port 112 with said second sidewall 1112; Position on said the 3rd sidewall 1113, between said blanking chamber 17 and said valve pocket 10 is provided with the 3rd and purges suction port 113, selects to be provided with the 3rd in the present embodiment and purges suction port in the position near said valve pocket 10; Said first, second, third purges suction port all belongs to sidewall towards it right opposite setting;
Be provided with the 4th purging suction port 114 on the said the first side wall 1111, between said the 3rd purging suction port 113 right opposites and said valve pocket 10; The said the 4th purges suction port 114 has a curved gas-entered passageway; The suction port of said curved gas-entered passageway is provided with towards said second sidewall 1112, selects to be provided with said curved gas-entered passageway in the present embodiment and is
shape.
Said purging suction port is connected with air compressor.
The working procedure of the pneumatic brake plate valve described in the present embodiment is:
During original state; Said gate valve is in closed condition, and said flashboard 9 inserts in the said flashboard chamber 16 said blanking cavity 17 is cut off fully, when opening said gate valve; External source of the gas is imported and exported 2 through said dynamic medium gas is pressed into said cylinder body 1; Promote said piston 3 and move to the direction away from valve body 5, and move through the said flashboard 9 of said pull bar 8 drives, said gate valve is opened;
After gate valve was opened, before giving said gate valve shutdown signal, the air compressor of pressurized air through being connected with the purging suction port sprayed in the said flashboard chamber 16; In said flashboard chamber 16; Flow direction along air-flow; From the first side wall 1111 the 4th purge suction port 114 air inlet arrive first and purge air inlet that suction port 111, first purges suction port 111 and arrive second and purge air inlet that suction port 112 places, second purge suction port 112 and arrive the 3rd and purge suction port 113 places; The air inlet of the 3rd purging suction port 113 is got back on the first side wall 1111 once more; Intersect with air-flow, thereby said flashboard chamber 16 is cleaned completely from 114 ejections of said the 4th purging suction port.
After blanking finishes; Import and export 2 pairs of said cylinder bodies 1 through said dynamic medium and carry out exhaust pressure relief; Said piston 3 moves towards the direction towards valve body 5 under the pulling function of said biasing force parts 4; And drive said flashboard 9 through said pull bar 8 and move in the said flashboard chamber 16, close said gate valve, wait said gate valve to close the pressurized air of back shut-down purge suction port fully.
Embodiment 2
As shown in Figure 3 is the structural drawing that is provided with the pneumatic brake plate valve of gas sealing mechanism of the present invention, compares with the pneumatic brake plate valve described in the embodiment 1, said flashboard chamber 16 is set in the present embodiment is rectangular;
The upper side wall in said flashboard chamber 16 offers airtight sealing groove 12, in said airtight sealing groove 12 set inside the gas sealing mechanism that said flashboard 9 is carried out fixed limit is arranged, and said airtight sealing groove 12 is connected with hermetic seal suction port 14 on being arranged on said valve body 5; The medial axis of said the 3rd purging suction port 113 is positioned at the opening elongated area of said airtight sealing groove 12 near the opening slot of said valve pocket 10; The medial axis of the said first purging suction port 111 is positioned at the opening elongated area of said airtight sealing groove 12 near said valve pocket 10 reciprocal opening slots; Leaktight encapsulation described in the present embodiment is changed to hermetic seal circle 13, and said airtight seal 13 and has the gap between the top of said airtight sealing groove 12 when off working state, form an air chamber; Wherein, said off working state is meant the state of equilibrium when said airtight seal 13 does not receive the pressurized air extruding that said air compressor charges into.
The working procedure of the pneumatic brake plate valve described in the present embodiment is:
During original state, said gate valve is in closed condition, and said flashboard 9 inserts in the said flashboard chamber 16 said blanking cavity 17 is cut off fully; Closely conflict on said flashboard 9 under the compressed-air actuated squeezing action of said airtight seal 13 in said airtight sealing groove 12, strengthened the sealing effect of said gate valve, when opening said gate valve; The air compressor that said hermetic seal suction port 14 connects carries out exhaust pressure relief to the air chamber in the said airtight sealing groove 12; Elimination is to the squeezing action of said seal ring, and said seal ring leaves said flashboard 9, and produces the slit between the said flashboard 9; Said external source of the gas is pressed into said cylinder body 1 with gas simultaneously; Promote said piston and move, and move, open said gate valve through the said flashboard 9 of said pull bar 8 drives to direction away from valve body 5;
After gate valve was opened, before giving said gate valve shutdown signal, the air compressor of pressurized air through being connected with the purging suction port sprayed in the said flashboard chamber 16; In said flashboard chamber 16; Flow direction along air-flow; From the first side wall 1111 the 4th purge suction port 114 air inlet arrive first and purge air inlet that suction port 111, first purges suction port 111 and arrive second and purge air inlet that suction port 112 places, second purge suction port 112 and arrive the 3rd and purge suction port 113 places; The air inlet of the 3rd purging suction port 113 is got back on the first side wall 1111 once more; Intersect with the air-flow from 114 ejections of said the 4th purging suction port, thereby said airtight seal 13 regions are cleaned, material is not deposited in assurance 16 inside, flashboard chamber.
After blanking finishes; Import and export 2 pairs of said cylinders through said dynamic medium and carry out exhaust pressure relief; Said piston 3 moves towards the direction towards valve body 5 under the pulling function of said biasing force parts 4; And drive said flashboard 9 through said pull bar 8 and move in the said flashboard chamber 16, close said gate valve.
After said flashboard is returned to original state; The air compressor that hermetic seal suction port 14 on the said airtight sealing groove 12 connects charges into pressurized air in the air chamber of said airtight sealing groove 12; Push said airtight seal 13 and move, said seal ring is closely conflicted on said flashboard 9, push spacing said flashboard 9 to said flashboard 9; Guarantee that said gate valve keeps good sealing property, wait said gate valve to close the pressurized air of back shut-down purge suction port fully.
As shown in Figure 5 is the structural drawing that is provided with the gate valve of removing device according to the invention, and in this embodiment, it offers the groove that can embed removing device in a side of said gate valve on previous embodiment 1 or embodiment's 2 architecture basics; Selecting in the present embodiment said groove is set is annular groove; One sidewall of said removing device and said flashboard 9 contacts, and here, a sidewall of said flashboard 9 is meant the side of said gate valve towards said material feeding mouth 6; Removing device described in the present embodiment selects to be set to Stamping Steel Ribbon 15.
Pneumatic brake plate valve described in the present embodiment is in when work, and said Stamping Steel Ribbon 15 can scrape the material particles on the said flashboard 9 conflicting relatively in the processes of sliding with said flashboard 9, avoids said material particles to get into said valve body 5 inside with said flashboard 9.
The above, only be for explanation clearly done for example, and be not qualification to mode of execution.Those of ordinary skill for affiliated field; On the basis of above-mentioned explanation, can also make other multi-form variation or change; Here need not also can't give to all mode of executions exhaustive, and the conspicuous variation of being extended out thus or the change still be among protection scope of the present invention.
Claims (11)
1. pneumatic brake plate valve, the piston (3) that comprises cylinder body (1) and be positioned at said cylinder body (1), the biasing force parts (4) of the said piston (3) that is used to reset; The cylinder body (1) of said piston (3) below is provided with dynamic medium and imports and exports (2);
Valve body (5) is connected setting with said cylinder body (1), has a valve pocket (10) at said valve body (5) near an end of said cylinder body (1), and the other end inner at said valve body (5) is provided with flashboard chamber (16);
Material feeding mouth (6) and discharge port (7) are arranged on the said valve body (5), and said material feeding mouth (6) and said discharge port (7) realize being communicated with formation blanking cavity (17), said blanking cavity (17) and perpendicular setting in said flashboard chamber (16) and connection;
Pull bar (8), said pull bar (8) are arranged in the said valve pocket (10); One end of said pull bar (8) is connected with said piston (3), and the other end is connected with flashboard (9), and said flashboard (9) is suitable for inserting in the said flashboard chamber (16) said blanking cavity (17) is cut off fully;
It is characterized in that,
Said flashboard chamber (16) is square, and three side-walls in said valve body (5) outside corresponding flashboard chamber (16) are respectively arranged with the purging suction port, and said purging suction port is connected with said flashboard chamber (16);
Wherein, go up and be provided with first at said the first side wall (1111) and purge suction port (111) near the corner of second sidewall (1112) adjacent with said the first side wall (1111); Go up and be provided with second at said second sidewall (1112) and purge suction port (112) near the corner of the 3rd sidewall (1113) adjacent with said second sidewall (1112); Go up and be positioned at said the 3rd sidewall (1113) and be provided with the 3rd purging suction port (113) between said blanking cavity (17) and the said valve pocket (10); Said first, second, third purges suction port all belongs to sidewall towards it right opposite setting;
Go up and be positioned at the said the 3rd at said the first side wall (1111) and purge and be provided with the 4th between suction port (113) right opposite and the said valve pocket (10) and purge suction port (114); The said the 4th purges suction port (114) has a curved gas-entered passageway, and the suction port of said curved gas-entered passageway is provided with towards said second sidewall (1112).
2. pneumatic brake plate valve according to claim 1 is characterized in that, said flashboard chamber (16) is rectangle.
3. pneumatic brake plate valve according to claim 1 and 2; It is characterized in that said curved gas-entered passageway is "
" shape.
4. pneumatic brake plate valve according to claim 1 and 2 is characterized in that, said the 3rd purging suction port (113) is arranged near said valve pocket (10) to be located.
5. pneumatic brake plate valve according to claim 1; It is characterized in that; Upper side wall in said flashboard chamber (16) offers airtight sealing groove (12); In said airtight sealing groove (12) set inside the gas sealing mechanism that said flashboard (9) is carried out fixed limit is arranged, said airtight sealing groove (12) is connected with hermetic seal suction port (14) on being arranged on said valve body (5);
The medial axis of said the 3rd purging suction port (113) is positioned at the opening elongated area of said airtight sealing groove (12) near the opening slot of said valve pocket (10).
6. pneumatic brake plate valve according to claim 5 is characterized in that, the medial axis of the said first purging suction port (111) is positioned at the opening elongated area of said airtight sealing groove (12) near the reciprocal opening slot of said valve pocket (10).
7. according to claim 5 or 6 described pneumatic brake plate valves, it is characterized in that said leaktight encapsulation is changed to hermetic seal circle (13), said airtight seal (13) and has the gap between the top of said airtight sealing groove (12) when off working state.
8. pneumatic brake plate valve according to claim 7 is characterized in that, said airtight sealing groove (12) is an annular groove.
9. according to claim 1 or 2 or 5 or 6 described pneumatic brake plate valves, it is characterized in that the side in said flashboard chamber (16) offers the groove that can embed removing device, said removing device and said flashboard (9) contact towards a sidewall of said material feeding mouth (6).
10. pneumatic brake plate valve according to claim 9 is characterized in that, said removing device is Stamping Steel Ribbon (15).
11. pneumatic brake plate valve according to claim 9 is characterized in that, said groove is an annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105161942A CN101984276B (en) | 2010-10-22 | 2010-10-22 | Pneumatic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105161942A CN101984276B (en) | 2010-10-22 | 2010-10-22 | Pneumatic gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101984276A CN101984276A (en) | 2011-03-09 |
| CN101984276B true CN101984276B (en) | 2012-06-20 |
Family
ID=43641447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105161942A Active CN101984276B (en) | 2010-10-22 | 2010-10-22 | Pneumatic gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101984276B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148260A (en) * | 2013-03-27 | 2013-06-12 | 南通旭阳机械制造有限公司 | Novel pneumatic flat gate valve |
| CN104006169B (en) * | 2014-06-12 | 2017-01-11 | 麦科威（昆山）机械有限公司 | Discharging valve of plastic high-speed mixer |
| CN108869768B (en) * | 2017-05-10 | 2024-02-20 | 芜湖美的厨卫电器制造有限公司 | Water inlet valve and water heater |
| CN107387788A (en) * | 2017-08-30 | 2017-11-24 | 苏州昌田机械设备制造有限公司 | A kind of high leakproofness pneumatic type oil valve flashboard |
| CN112228578B (en) * | 2020-11-09 | 2021-09-03 | 中国科学院山西煤炭化学研究所 | Mechanical sealing device of high-temperature cyclone separator and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157169A (en) * | 1977-10-12 | 1979-06-05 | Torr Vacuum Products | Fluid operated gate valve for use with vacuum equipment |
| US4415139A (en) * | 1981-08-03 | 1983-11-15 | Eastman Kodak Company | Automatic sliding gate valve |
| CN1204743A (en) * | 1997-07-07 | 1999-01-13 | 乐清市慎江阀门厂 | Wear-resistant sluice valve and method for manufacturing thereof |
| CN2795576Y (en) * | 2005-05-25 | 2006-07-12 | 浙江凯斯通阀门有限公司 | Gate valve with blowing valve |
| CN101769390A (en) * | 2008-12-31 | 2010-07-07 | 江苏中能电力设备有限公司 | Sweeping type pebble coal dumping device |
| CN201818815U (en) * | 2010-10-22 | 2011-05-04 | 兰州奇正粉体装备技术有限公司 | Pneumatic damper plate valve |
-
2010
- 2010-10-22 CN CN2010105161942A patent/CN101984276B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157169A (en) * | 1977-10-12 | 1979-06-05 | Torr Vacuum Products | Fluid operated gate valve for use with vacuum equipment |
| US4415139A (en) * | 1981-08-03 | 1983-11-15 | Eastman Kodak Company | Automatic sliding gate valve |
| CN1204743A (en) * | 1997-07-07 | 1999-01-13 | 乐清市慎江阀门厂 | Wear-resistant sluice valve and method for manufacturing thereof |
| CN2795576Y (en) * | 2005-05-25 | 2006-07-12 | 浙江凯斯通阀门有限公司 | Gate valve with blowing valve |
| CN101769390A (en) * | 2008-12-31 | 2010-07-07 | 江苏中能电力设备有限公司 | Sweeping type pebble coal dumping device |
| CN201818815U (en) * | 2010-10-22 | 2011-05-04 | 兰州奇正粉体装备技术有限公司 | Pneumatic damper plate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101984276A (en) | 2011-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101984276B (en) | Pneumatic gate valve | |
| CN201818815U (en) | Pneumatic damper plate valve | |
| CN209177581U (en) | Full packages ultra-dense phase is energy-efficient to control the defeated grey the powder system of stifled abrasionproof pilot-operated type | |
| CN201884714U (en) | Airtight lift valve | |
| CN103410992A (en) | Totally-closed spectacle type intercepting valve | |
| CN102767105B (en) | Energy-storing valve opening device of steam explosion machine | |
| CN104074992A (en) | Self-cleaning type wear-resistant ceramic valve with double gate plates | |
| CN201310636Y (en) | Air shuttle valve | |
| CN109758881A (en) | A kind of interlocking compressed air cleaner of elder generation's air guide | |
| CN102961932A (en) | Separated filter element device | |
| CN102895826B (en) | Reverse blowing bag type dust remover | |
| CN204004506U (en) | A kind of self-cleaning type double-flashboard wear-resistant ceramic valve | |
| CN202012653U (en) | Exhausting/filling automatic closing valve and barrel with the valve | |
| CN201572578U (en) | Dust remover | |
| CN101237979A (en) | Injection system | |
| CN115092697A (en) | Pneumatic conveying system | |
| CN208512128U (en) | Filter plant and its filter core | |
| CN102990801A (en) | Discharge device of vacuum drying device | |
| CN202520975U (en) | Vacuum flashboard valve for vacuum system | |
| CN102923483A (en) | Powder conveying or recycling device capable of preventing blocking | |
| CN202967556U (en) | Powder conveying or recovery device capable of preventing blocking | |
| CN201013925Y (en) | Double-layer cindervalve | |
| CN205270264U (en) | Contrary formula dust remover that spouts | |
| CN218294560U (en) | Pipeline blockage clearing valve | |
| CN202972045U (en) | Elastic rubber pipe type one-way valve used in multi-dust environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 730070 No. 25, Zhongbang Avenue, Anning District, Lanzhou City, Gansu Province (diagonally opposite to snowflake beer) Patentee after: Lanzhou agricultural products ecological science and Technology Co.,Ltd. Address before: 730010 No. 579, zhangsutan, high tech Development Zone, Chengguan District, Lanzhou City, Gansu Province Patentee before: Lanzhou Cheezheng Powder Equipment Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |