CN102628517B - Self-actuated wedge disc type slurry pump control valve - Google Patents
Self-actuated wedge disc type slurry pump control valve Download PDFInfo
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- CN102628517B CN102628517B CN 201210113392 CN201210113392A CN102628517B CN 102628517 B CN102628517 B CN 102628517B CN 201210113392 CN201210113392 CN 201210113392 CN 201210113392 A CN201210113392 A CN 201210113392A CN 102628517 B CN102628517 B CN 102628517B
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- control valve
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- isolator
- slurry pump
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Abstract
The invention provides a self-actuated wedge disc type slurry pump control valve. The self-actuated wedge disc type slurry pump control valve comprises a valve body, a wedge disc, a valve cover, a valve rod, and a piston and an oil cylinder which are built in and are connected with the valve rod. The device is also provided with a first oil-water isolator and a second oil-water isolator, wherein the first oil-water isolator and the second oil-water isolator consist of metal shells and retractable rubber liners; two mutually isolated cavities are formed by the liners and the shells respectively; the upper cavity of the oil cylinder is provided with holes and is communicated with the liner of the first oil-water isolator through a first one-way throttle valve; and the shell of the first oil-water isolator is communicated with the inlet end of the valve body through a first reversing switch. The self-actuated wedge disc type slurry pump control valve has the advantages that: the self-actuated wedge disc type slurry pump control valve can simply open or close the valve by means of the pressure of a slurry aqueous medium in a slurry pump output pipe, and an external hydraulic device is not required to open and close the valve, so that the equipment parts and fault points are reduced, the equipment cost is reduced, the maintenance difficulty is reduced, and the equipment reliability is improved.
Description
Technical field
The present invention relates to a kind of valve, particularly is a kind of paddle type slurry pump control valve of relying on oneself.
Background technique
Existing hydraulic brake template slurry pump control valve (ZL200720063700.0), be a kind ofly to utilize external hydraulic pressure installation to provide power to open and close the slurry pump control valve of valve, because hydraulic device structure complexity, component are many, manufacture cost height not only, and the fault point is also many, and there is bigger potential safety hazard in maintenance difficult.
Summary of the invention
The present invention provides a kind of simple in structure, low while paddle type slurry pump control valve of relying on oneself for ease of maintenaince of cost cost in order to solve the technical problem of mentioning in the background technique.
In order to realize above-mentioned technical purpose, the present invention by the following technical solutions:
A kind of paddle type slurry pump control valve of relying on oneself, comprise valve body, flashboard, valve gap, valve rod and the built-in piston that is connected with valve rod and oil cylinder, this device also is provided with the first profit isolator and the second profit isolator, described first, the second profit isolator all is made up of metal shell and telescopic rubber liner, two cavity volumes of isolating mutually of each self-forming of described inner bag and shell, the perforate of described oil cylinder epicoele communicates by the inner bag of first one-way throttle valve with the first profit isolator, the shell of the first profit isolator communicates by the entrance point of first reverser and valve body, the perforate of described oil cylinder cavity of resorption communicates by the inner bag of second one-way throttle valve with the second profit isolator, the shell of the second profit isolator communicates by the outlet end of second reverser and valve body, and described first, second reverser all is connected to a waste pipe respectively.
Described first, second reverser (12; 15) can adopt the two-position three way solenoid directional control valve.
Beneficial effect provided by the present invention is: the present invention can simply utilize in the slag stock pump output tube pressure of pulp water medium to make valve opening or close, need not to rely on again the hydraulic pressure installation of peripheral hardware to realize the keying of valve, equipment component and fault point have been reduced, reduced equipment cost, reduce maintenance difficulty simultaneously, improved equipment reliability.
Description of drawings
Fig. 1 is the structure principle chart of control valve opening state of the present invention;
Fig. 2 is the structure principle chart of control valve closed condition of the present invention.
Embodiment
Structure thinking of the present invention: the present invention utilizes the pulp water pressure medium of the slag stock pump being exported by the specified pressure conversion equipment to convert the pressure of hydraulic oil to, promotes the piston motion, drives valve opening and closing, prevents that the pulp water medium from stopping up tiny pipeline and valve.
According to above-mentioned structure thinking, in conjunction with concrete accompanying drawing content of the present invention is further detailed:
Fig. 1 is the structure principle chart of control valve opening state of the present invention, and Fig. 2 is the structure principle chart of control valve closed condition of the present invention.
Referring to Fig. 1, Fig. 2, a kind of paddle type slurry pump control valve of relying on oneself, comprise valve body 1, flashboard 2, valve gap 3, valve rod 4 and the built-in piston 5 that is connected with valve rod 4 and oil cylinder 6, this device also is provided with the first profit isolator 7 and the second profit isolator 8, first, the second profit isolator all is made up of metal shell 9 and telescopic rubber liner 10, two cavity volumes of isolating mutually of inner bag 10 and shell 9 each self-forming, oil cylinder epicoele perforate 11 communicates by the inner bag of first one-way throttle valve with the first profit isolator 7, the shell of the first profit isolator 7 communicates by the entrance point 13 of first reverser 12 and valve body 1, oil cylinder cavity of resorption perforate 14 communicates by the inner bag of second one-way throttle valve with the second profit isolator 8, the shell of the second profit isolator 8 communicates by the outlet end 16 of second reverser 15 and valve body 1, first, second reverser all is connected to a waste pipe, first respectively, second reverser (12; 15) can adopt the two-position three way solenoid directional control valve.
Further specify structure of the present invention in conjunction with specific embodiments:
Embodiment 1
A kind of paddle type slurry pump control valve of relying on oneself, comprise valve body 1, flashboard 2, valve gap 3, valve rod 4 and the built-in piston 5 that is connected with valve rod 4 and oil cylinder 6, this device also is provided with the first profit isolator 7 and the second profit isolator 8, first, the second profit isolator all is made up of metal shell 9 and telescopic rubber liner 10, two cavity volumes of isolating mutually of inner bag 10 and shell 9 each self-forming, oil cylinder epicoele perforate 11 communicates with the inner bag of the first profit isolator 7 by first oil pipe 17, first oil pipe 17 is provided with first one-way throttle valve 18, oil cylinder cavity of resorption perforate 14 communicates with the inner bag of the second profit isolator 8 by second oil pipe 19, second oil pipe 19 is provided with second one-way throttle valve 20, speed when one-way throttle valve opens or cuts out for control valve, the shell of the first profit isolator 7 communicates by the entrance point 13 of first reverser and valve body, the perforate of oil cylinder cavity of resorption communicates with the inner bag of the second profit isolator 8, the shell of the second profit isolator 8 communicates by the outlet end 16 of second reverser and valve body, the entrance point 13 of valve body communicates with the pulp water medium of slag stock pump output as shown in Figure 1 with outlet end 16 positions, and be separately positioned on before and after the flashboard, first reverser 12 and second reverser 15 can adopt the two-position three way solenoid directional control valve, the position of opening of oil cylinder epicoele is positioned at top of chamber on the oil cylinder, the position of opening of oil cylinder cavity of resorption is positioned at oil cylinder cavity of resorption bottom, profit isolator shell is made by thin-wall metal, the two ends globulate, intermediate section is cylindrical body, the lower end perforate also is connected to metal threaded short tube, be convenient to connect other pipe fittings, profit isolator inner bag is made by oil resistant rubber, its shape is identical with profit isolator shell, its external dimension equal the inner cavity size of profit isolator shell, the top perforate also is connected with metal threaded short tube, be convenient to connect other pipe fittings, the amount of capacity of profit isolator inner bag increases and decreases with the inside and outside differential pressure conversion, profit isolator inner bag places among the profit isolator shell, its upper metal screw thread short tube passes the top of profit isolator shell, and be connected with body seal, make two cavity volumes of isolating mutually of each self-forming of shell and inner bag.
Working principle of the present invention:
1) drives valve: referring to Fig. 1, when starting mode of pump, first solenoid directional control valve gets the action of electric back, its waste pipe port shutdown, the first profit isolator shell and valve body entrance point are connected, and the pulp water medium enters the first profit isolator shell in the pipe, fluid in the first profit isolator inner bag is pushed, enter the epicoele of oil cylinder through first oil pipe and first one-way throttle valve, promoting piston, also to drive flashboard by valve rod descending, and valve is slowly opened; Opening speed can be regulated by first one-way throttle valve; Meanwhile, second solenoid directional control valve also electronic work, the second profit isolator shell and its waste pipe are connected, and close between the second profit isolator shell and the valve body, the pulp water medium in the second profit isolator shell is discharged from its waste pipe; The fluid of oil cylinder piston below enters the second profit isolator inner bag through second one-way throttle valve and second oil pipe;
2) close valve: referring to Fig. 2, when termination of pumping or forced outage, the second solenoid directional control valve dead electricity resets, its waste pipe is closed, and valve outlet end and the second profit isolator shell are connected, and the pulp water medium enters the second profit isolator shell through second solenoid directional control valve in the valve, push the fluid in the second profit isolator inner bag, enter the below of oil cylinder piston, promote piston and up by valve rod drive flashboard, the valve quick closedown; Closing velocity is regulated by second one-way throttle valve; Meanwhile, first solenoid directional control valve also dead electricity resets, and the waste pipe of the first profit isolator shell and first solenoid directional control valve is connected, and closes between the first profit isolator shell and the valve body; Piston cylinder epicoele fluid enters the first profit isolator inner bag through first one-way throttle valve, first oil pipe, and the pulp water medium in the first profit isolator shell is discharged from its waste pipe.
Technical characterstic of the present invention:
1. utilize pipe medium pressure to open and close valve;
2. adopted the profit isolator that slag slurry pressure medium in the pipe is converted into oily pressure, eliminated slag and starched the potential risk that medium stops up by-pass line and piston cylinder; Guarantee that piston cylinder is stable;
3. adopt solenoid directional control valve to control the work of profit isolator, and chain with water pump control power supply; Realize the chain automatically of valve and water pump.
Claims (2)
1. paddle type slurry pump control valve of relying on oneself, comprise valve body (1), flashboard (2), valve gap (3), valve rod (4) and the built-in piston (5) that is connected with valve rod (4) and oil cylinder (6), it is characterized in that: this device also is provided with the first profit isolator (7) and the second profit isolator (8), described first, second profit isolator (7; 8) all formed by metal shell (9) and telescopic rubber liner (10), two cavity volumes of isolating mutually of described inner bag (10) and each self-forming of shell (9), described oil cylinder epicoele perforate (11) communicates by the inner bag of first one-way throttle valve (18) with the first profit isolator (7), the shell of the first profit isolator (7) communicates by the entrance point (13) of first reverser (12) and valve body (1), described oil cylinder cavity of resorption perforate (14) communicates by the inner bag of second one-way throttle valve with the second profit isolator (8), the shell of the second profit isolator (8) communicates described first by the outlet end (16) of second reverser (15) and valve body (1), second reverser (12; 15) all be connected to a waste pipe (21 respectively; 22).
2. a kind of paddle type slurry pump control valve of relying on oneself according to claim 1 is characterized in that: described first, second reverser (12; 15) can adopt the two-position three way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210113392 CN102628517B (en) | 2012-04-17 | 2012-04-17 | Self-actuated wedge disc type slurry pump control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210113392 CN102628517B (en) | 2012-04-17 | 2012-04-17 | Self-actuated wedge disc type slurry pump control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102628517A CN102628517A (en) | 2012-08-08 |
| CN102628517B true CN102628517B (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210113392 Expired - Fee Related CN102628517B (en) | 2012-04-17 | 2012-04-17 | Self-actuated wedge disc type slurry pump control valve |
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| Country | Link |
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| CN (1) | CN102628517B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327602B (en) * | 2017-08-17 | 2023-12-22 | 北京祺开科技有限公司 | Gate valve and pipeline system |
| CN113494621A (en) * | 2021-07-30 | 2021-10-12 | 欧冠阀门科技有限公司 | Gate valve convenient to open and close |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206883Y (en) * | 1994-12-17 | 1995-09-06 | 鞍山自控仪表(集团)股份有限公司 | Self-type flow regulation valve |
| CN201057155Y (en) * | 2007-06-29 | 2008-05-07 | 邵建农 | Hydraulic flashboard type stuff pump control valve |
| CN102003568A (en) * | 2010-12-01 | 2011-04-06 | 陈建君 | Hydraulic automatic gate valve |
| CN201909095U (en) * | 2011-01-12 | 2011-07-27 | 浙江博恩自控阀门有限公司 | Electro-hydraulic linkage actuating mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3040738B2 (en) * | 1997-07-01 | 2000-05-15 | 株式会社栗本鐵工所 | Emergency valve device |
| CN202691096U (en) * | 2012-04-17 | 2013-01-23 | 大众阀门集团有限公司 | Self-operated flashboard type slurry pump control valve |
-
2012
- 2012-04-17 CN CN 201210113392 patent/CN102628517B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206883Y (en) * | 1994-12-17 | 1995-09-06 | 鞍山自控仪表(集团)股份有限公司 | Self-type flow regulation valve |
| CN201057155Y (en) * | 2007-06-29 | 2008-05-07 | 邵建农 | Hydraulic flashboard type stuff pump control valve |
| CN102003568A (en) * | 2010-12-01 | 2011-04-06 | 陈建君 | Hydraulic automatic gate valve |
| CN201909095U (en) * | 2011-01-12 | 2011-07-27 | 浙江博恩自控阀门有限公司 | Electro-hydraulic linkage actuating mechanism |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-22836A 1999.01.26 |
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| CN102628517A (en) | 2012-08-08 |
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