CN101363555A - Isolating pump-controlling valve - Google Patents
Isolating pump-controlling valve Download PDFInfo
- Publication number
- CN101363555A CN101363555A CNA2008100321702A CN200810032170A CN101363555A CN 101363555 A CN101363555 A CN 101363555A CN A2008100321702 A CNA2008100321702 A CN A2008100321702A CN 200810032170 A CN200810032170 A CN 200810032170A CN 101363555 A CN101363555 A CN 101363555A
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- valve
- pump
- valve plate
- rod
- bar
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Abstract
The invention discloses a segregation pump controlling valve which comprises a valve body, a valve bar (2) arranged on the valve body, a large valve plate which is movably sleeved on the valve bar (2) and a small valve plate which is fixedly arranged on the valve bar (2) and corresponds to the large valve plate; one terminal of a connecting lever (5) is fixedly connected with the valve bar (2) and the other terminal is provided with a heavy punch (11); a piston bar (7) of a master cylinder (6) is hinged with the connecting lever (5); the master cylinder (6) is provided with a bypass pipeline (12) which is communicated with a suck rod cavity and a non-rod cavity and is connected with an adjusting valve and a reverse throttle valve (10) in series. The invention is a segregation pump controlling valve which can be used in mediums such as slurry, polluted water and recycle-water, and the like; and the slurry, polluted water and foreign substance do not enter into the segregation pump controlling valve of a liquid controlling system; the invention is a resource-conversing and environment-friendly product and is suitable to use on a safe device automatically controlled by a synonymous pump in an energy-saving and environment protection system.
Description
Technical field
The present invention relates to a kind of valve, particularly relate to a kind of isolating pump-controlling valve.
Background technique
In present control valve for water pump, multifunctional water force control valve and hydraulic automatic valve can not be used for mud and sewage medium for a long time, because mud, sewage enter control cylinder, solid formation will precipitate, and control cylinder is stopped up, and keying can not put in place and lose efficacy.
Fluid-control valve is because be equipped with hydraulic station in the valve outside, come control valve to open and close and slow open and close by hydraulic rod, can be used for mud sewage medium, but install huge and heavy, cost is very high, the Installation and Debugging expense is very high, needs ABAP Adapter to drive, and system usually leakage of oil influence produces and working environment.
For mud, sewage, recovery water pump, media such as mud, sewage, the impurity not non-fluid-control valve of metering-in control system are that non-normal Po is essential and wants.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly both can be used for media such as mud, sewage, recycle-water, and media such as mud, sewage, impurity do not enter the isolating pump-controlling valve of hydraulic control system again.
In order to solve the problems of the technologies described above, isolating pump-controlling valve provided by the invention, comprise valve body, be installed in the valve rod on the valve body, movable set is at the big valve plate on the valve rod and be fixedly mounted on the valve rod and the little valve plate corresponding with big valve plate, connecting lever one end is fixedlyed connected with described valve rod, the other end is provided with weight, the piston rod of control cylinder and described connecting lever are hinged, described control cylinder is provided with the bypass line that is communicated with its rod chamber and rodless cavity, is in series with the check valve that is drilled with aperture on modulating valve and its valve plate on the described bypass line.
Described modulating valve is for regulating ball valve.
Adopt the isolating pump-controlling valve of such scheme, be made up of main valve and isolation control system, main valve can be stop valve class, gate valve class, butterfly valve class, hemisphere, ball valve class, stopcock class or the plunger valve class with big or small valve plate.The control cylinder that isolation control system mainly is made up of piston cylinder, piston cylinder cover, piston, piston rod, connecting lever, weight etc. are formed.Be characterized in:
1, because medium is not directly got in touch in control system and the valve, therefore medium can be silt water, sewage and the recycle-water that contains a large amount of solid formation particles, control cylinder and The whole control system can not stopped up and lose efficacy, and it is the most suitable being used for energy-conservation and pump control system environment-friendly engineering.
2, must be with outer for power.Opening of valve is the driving force of utilizing medium, and valve close the gravity that mainly utilizes valve plate and weight, also can be used to throttle down if pressure of return water is slightly bigger, thereby maximally utilise overbottom pressure complementary energy and maximally utilise natural energy, be a kind of the most energy-conservation control valve.
3, the keying stroke of valve is: open quick closing valve-close slowly slowly.Opening time can be adjusted arbitrarily in the time more than 18 seconds.Quick closing valve depends on the frictional force of big valve plate two end positioning tube and big valve plate, is generally 1～3 second.Slowly the time of closing was adjusted in the random time more than 6 seconds.Therefore can be as the case may be adjust synchronously with pump slowly open, time of Slow Close, eliminate to greatest extent and open pump overcurrent and pump-stopping water hammer, be the indispensable key safety equipment of pump house and pipe-line system.
4, opening force is used to overcome the frictional force of valve rod hole internal surface, piston, piston rod and piston cylinder inwall of big valve plate and its location axle sleeve, valve rod and valve body and the summation of weight weight, show through estimating with actual, the opening force of valve is different according to the latus rectum size, generally between 0.003～0.005Mpa.Prevent effectively that in employing the fouling measure from not stopping the valve plate turn-off, the unlatching of valve is very little.
5, the circulation of fluid in the control cylinder can be used pure water, soft water etc., and general is the most suitable as the circulation of fluid medium for cost, environment and operator with preventing fouling and suppressing vegetative soft water.Therefore in the extremely low and running of operating cost to environment without any pollution.
6, control program is once adjusting, and valve will be by the startup of the program of adjusting and pump, stop to control synchronously operation, the steady no Noise sound of ，, vibrations in running.
In sum, the present invention a kind ofly both can be used for media such as mud, sewage, recycle-water, media such as mud, sewage, impurity do not enter the isolating pump-controlling valve of hydraulic control system again, be resource-conserving and environmentally friendly product, and be suitable for the safety installation of the automatic control of synchronous pump of energy-conserving and environment-protective engineering most.
Description of drawings
Fig. 1 is a valve body structure schematic representation of the present invention;
Fig. 2 is a work structuring schematic representation of the present invention.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, valve rod 2 is installed on the valve body 1, big valve plate 3 movable sets are on valve rod 2, little valve plate 4 is fixedly mounted on the valve rod 2 and is corresponding with big valve plate 3, connecting lever 5 one ends are fixedlyed connected with valve rod 2, and the other end is provided with weight 11, and the piston rod 7 of control cylinder 6 is hinged with connecting lever 5, control cylinder 6 is provided with the bypass line 12 that is communicated with its rod chamber and rodless cavity, is in series with on the bypass line 12 to regulate the check valve 10 that is drilled with aperture on ball valve 9 and its valve plate.
Referring to Fig. 1 and Fig. 2, when pump startup, flowing medium promotes big valve plate 3, little valve plate 4 turn-ofves, and it is up to drive weights 11, piston rod 7, piston 8 by connecting lever 5.Control piston 8 up time and speed are exactly time and the speed that the big or small valve plate of control is slowly opened.The speed of control valve plate is to realize by the adjusting ball valve 9 on the bypass line 12 of control cylinder 6.The purpose of adjusting slow ETAD expected time of arrival and departure is for the electric current that makes dragging motor slowly rises to operating current from zero when starting to work, rather than moment acutely rise to operating current more than more than 10 times, will burn dragging motor.
When pump was out of service, the eccentric big valve plate 3 that is provided with falls rapidly closed most of current, and under the effect of backwater, weight 11 and piston 8, little valve plate 4 slowly descends until closing, and finishes whole Slow Close process.Control the Slow Close speed of little valve plate 4 by regulating adjusting ball valve 9 on the bypass line 12,, prevent that huge impact of water hammer ripple from damaging pipe network system and pump house with abundant elimination impact of water hammer power.The check valve 10 that is drilled with aperture on its valve plate of installing in the control bypass 12 is in order to control the slow time of opening of Slow Close and the ratio of speed.3～5 times of the time that the general slow time of opening is Slow Close, during as 6 seconds Slow Close time, slow ETAD expected time of arrival and departure is 18 seconds to 30 seconds, adjusts the Slow Close time when being 20 seconds, and slow ETAD expected time of arrival and departure is 60 seconds to 100 seconds, and all this is analogized.
Claims (2)
1. isolating pump-controlling valve, comprise valve body (1), be installed in the valve rod (2) on the valve body (1), movable set on valve rod (2) big valve plate (3) and be fixedly mounted on that valve rod (2) is gone up and the little valve plate (4) corresponding with big valve plate (3), it is characterized in that: connecting lever (5) one ends are fixedlyed connected with described valve rod (2), the other end is provided with weight (11), the piston rod (7) of control cylinder (6) is hinged with described connecting lever (5), described control cylinder (6) is provided with the bypass line (12) that is communicated with its rod chamber and rodless cavity, is in series with the check valve (10) that is drilled with aperture on modulating valve and its valve plate on the described bypass line (12).
2. isolating pump-controlling valve according to claim 1 is characterized in that: described modulating valve is for regulating ball valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100321702A CN101363555A (en) | 2008-08-27 | 2008-08-27 | Isolating pump-controlling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100321702A CN101363555A (en) | 2008-08-27 | 2008-08-27 | Isolating pump-controlling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101363555A true CN101363555A (en) | 2009-02-11 |
Family
ID=40390080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100321702A Pending CN101363555A (en) | 2008-08-27 | 2008-08-27 | Isolating pump-controlling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101363555A (en) |
-
2008
- 2008-08-27 CN CNA2008100321702A patent/CN101363555A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090211 |