CN204201196U - A kind of piston type maltilevel security Decompression valves - Google Patents
A kind of piston type maltilevel security Decompression valves Download PDFInfo
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- CN204201196U CN204201196U CN201420640389.1U CN201420640389U CN204201196U CN 204201196 U CN204201196 U CN 204201196U CN 201420640389 U CN201420640389 U CN 201420640389U CN 204201196 U CN204201196 U CN 204201196U
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- decompression valves
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- 230000006837 decompression Effects 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of piston type maltilevel security Decompression valves, comprise piston type Decompression valves body, desilting tank, three ball valves, pressure gauge, two differential pressure sender filters, two solenoid valves, needle type regulating valve, two Stress control pilot valves and y-type filters, described desilting tank, ball valve, pressure gauge, differential pressure sender filter, solenoid valve, needle type regulating valve, Stress control pilot valve, y-type filter are connected to form the waterpower self-control of described piston type Decompression valves body and automatically controlled multiple control loops by pipeline.The piston type maltilevel security Decompression valves that the utility model provides, have employed waterpower self-control and automatically controlled multiple control loops, its pressure release control mode is safe and reliable, and drive and adopt pipeline pressure medium water-driven, pilot pressure water is through described desilting tank and described differential pressure sender filter, ensure that control loop water source cleans, control unit reliable in action, pressure release breakout pressure and opening and closing time stepless adjustable, can not water hammer be produced, and can cavitate by anti-high-velocity flow, valve long service life.
Description
Technical field
The utility model relates to a kind of piston type Decompression valves, particularly relates to the piston type maltilevel security Decompression valves for pipeline superpressure pressure release bypass in a kind of water delivery pressure pipeline system.
Background technique
Decompression valves be widely used in the industries such as water conservancy, electric power, municipal administration to, in draining water delivery pressure pipeline system, play the effect of safety relief, the safety of protection pressure piping.In prior art, a kind of piston type maltilevel security Decompression valves for water delivery pressure pipeline system, conventional piston type Decompression valves is in this operating mode using process, due to control loop function singleness, there is no automatically controlled pressure release loop, in emergency circumstances can not pressure release control, do not have and far control function, control loop does not arrange desilting tank and filter does not have differential pressure sender function, control loop easily blocks, can not sender prompting clean, cleaning channels is checked by human at periodic intervals, Security is not high, emergency safety pressure release effect can not be played after pilot line blocking, the valve disc of Decompression valves body is without energy dissipator, easy generation is cavitated and forms large noise, high-velocity flow washes away and can constantly slacken valve flow passage components, bring potential safety hazard and noise pollution, have impact on user to have an economic benefit and environmental condition, adding user adopts other protective measures to meet the cost of usage requirement.Therefore, provide one to have maltilevel security pressure release control mode, and have energy dissipating cavitation-preventive function, the piston type maltilevel security Decompression valves of long service life is the technical problem that those skilled in the art need solution badly.
Model utility content
For prior art Problems existing, the purpose of this utility model is to provide a kind of piston type maltilevel security Decompression valves, and it adopts multiple pressure release control mode; protection pressure piping safety; and valve flow passage components have the effect of energy dissipating cavitation-preventive, can reduce noise pollution, valve long service life.
To achieve these goals, the utility model provides a kind of piston type maltilevel security Decompression valves, comprises piston type Decompression valves body, desilting tank, three ball valves, pressure gauge, two differential pressure sender filters, two solenoid valves, needle type regulating valve, two Stress control pilot valves and y-type filter, described desilting tank, ball valve, pressure gauge, differential pressure sender filter, solenoid valve, needle type regulating valve, Stress control pilot valve, y-type filter is connected to form the waterpower self-control of described piston type Decompression valves body and automatically controlled multiple control loops by pipeline, described desilting tank is installed and is connected to described piston type Decompression valves body pilot line water (flow) direction inlet, the diverse location of three described ball valve mounting arrangements on control loop, described needle type regulating valve is installed and is connected to described piston type Decompression valves body piston cavity upper end entrance pressure mouth, two described Stress control pilot valves are arranged on different control loop, two described solenoid valves are installed in series respectively on front side of described Stress control pilot valve and are installed in parallel at control loop water outlet side, before described differential pressure sender filter is arranged on described Stress control pilot valve control loop, before described pressure gauge is arranged on described differential pressure sender filter, described y-type filter is arranged on control loop water outlet side, and be connected with described piston type Decompression valves body water (flow) direction outlet port interface by ball valve.
Preferably, drive and adopt pipeline pressure medium water-driven, pilot pressure water, through described desilting tank and described differential pressure sender filter, is provided with before described differential pressure sender filter and can indicates pressure gauge described in control loop inlet pressure.
Preferably, be describedly installed in parallel a described solenoid valve at control loop water outlet side, the urgent automatically controlled direct pressure release for described piston type Decompression valves controls, and can far control.
Preferably, described needle type regulating valve is installed and is connected to described piston type Decompression valves body piston cavity upper end entrance pressure mouth, and adjusting piston epicoele flow of inlet water, regulate the described piston type Decompression valves shut-in time, can not water hammer be produced.
Preferably, described piston type Decompression valves body valve disc is equipped with stainless steel squirrel-cage energy dissipating cover, has dissipating functions, can anti-high-velocity flow cavitation erosion.
Preferably, described desilting tank is rotary flow type desilting tank, and current centrifugal force can be utilized to increase desilting effect, and desilting tank inner chamber is provided with embedded filtering net, meets control water source and enters the husky filtering requirement of depositing in water, connect differential pressure sender filter service load after minimizing.
Preferably, described piston type Decompression valves body sealing seat and squirrel-cage energy dissipating cover material are stainless steel, antiscour, anti-cavitation, long service life.
Preferably, the control loop water outlet side of described piston type Decompression valves is provided with y-type filter, can prevent outlet from having dirt to enter control loop.
Compared with prior art, piston type maltilevel security Decompression valves provided by the utility model, is specially adapted to for the pressure release of pipeline superpressure in water delivery pressure pipeline system, protection pressure piping, its control loop adopts waterpower self-control and automatically controlled multiple control loops, has maltilevel security pressure release control mode; Drive and adopt pipeline pressure medium water-driven, pilot pressure water is through described desilting tank and differential pressure sender filter, and ensure that control loop water source cleans, differential pressure sender filter has sender function, the cleaning of instruction filter; Before differential pressure sender filter, pressure gauge is installed, is used to indicate control loop inlet pressure; Be installed in parallel a solenoid valve at control loop water outlet side, the urgent automatically controlled direct pressure release for piston type Decompression valves controls, and can far control; Needle type regulating valve is installed and is connected to piston type Decompression valves body piston cavity upper end entrance pressure mouth, and adjustable flow of inlet water, regulating piston formula Decompression valves opening and closing time; Ball valve is provided with 3 according to functional requirement, and mounting arrangements, at the diverse location of control loop, for the break-make of control loop, is convenient to the maintenance of control loop; Piston type Decompression valves body valve disc is equipped with stainless steel squirrel-cage energy dissipating cover, has dissipating functions, can cavitate by anti-high-velocity flow, reduces high-velocity flow and washes away and noise pollution valve flow passage components, valve long service life.
Accompanying drawing explanation
Fig. 1 is piston type maltilevel security pressure-relief valve structure schematic diagram disclosed in this invention.
Embodiment
The purpose of this utility model is to provide a kind of piston type maltilevel security Decompression valves, and it adopts multiple pressure release control mode, protection pressure piping safety, and valve flow passage components have the effect of energy dissipating cavitation-preventive, can reduce noise pollution, valve long service life.
The technical solution of the utility model is understood better in order to make those skilled in the art; below in conjunction with accompanying drawing, the utility model is described in detail; the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.
Please refer to Fig. 1, in one embodiment, piston type maltilevel security Decompression valves provided by the utility model, comprises piston type Decompression valves body 1, desilting tank 2, three ball valves 3, pressure gauge 4, two differential pressure sender filters 5, two solenoid valves 6, needle type regulating valve 7, two Stress control pilot valves 8, y-type filter 9, desilting tank 2 is installed and is connected to piston type Decompression valves body 2 pilot line water (flow) direction inlet, ball valve 3 is provided with three according to functional requirement, mounting arrangements is at the diverse location of control loop, needle type regulating valve 7 is installed and is connected to piston type Decompression valves body 1 piston cavity upper end entrance pressure mouth, Stress control pilot valve 8 has two, be arranged on two control loops, two solenoid valves 6, one of them is arranged on front side of a road Stress control pilot valve 8, another is arranged on control loop water outlet side, before differential pressure sender filter 5 is arranged on Stress control pilot valve 8 control loop, before pressure gauge 4 is arranged on differential pressure sender filter 5, y-type filter 9 is arranged on control loop water outlet side, and be connected with piston type Decompression valves body 1 water (flow) direction outlet port interface by ball valve 3, desilting tank 2, ball valve 3, pressure gauge 4, differential pressure sender filter 5, solenoid valve 6, needle type regulating valve 7, Stress control pilot valve 8, y-type filter 9 is connected to form the waterpower self-control of piston type Decompression valves body 1 and automatically controlled multiple control loops by pipeline, and forms maltilevel security pressure release control mode to piston type Decompression valves body 1, protection pressure piping safety, drive and adopt pipeline pressure medium water-driven, pilot pressure water is through desilting tank 2 and differential pressure sender filter 5, ensure that control loop water source cleans, differential pressure sender filter 5 has sender function, the cleaning of instruction filter, before differential pressure sender filter 5, pressure gauge 4 is installed, is used to indicate control loop inlet pressure, be installed in parallel a solenoid valve 6 at control loop water outlet side, the urgent automatically controlled direct pressure release for piston type Decompression valves 1 controls, and can far control, needle type regulating valve 7 is installed and is connected to piston type Decompression valves body 1 piston cavity upper end entrance pressure mouth, and adjustable control flow of inlet water, regulating piston formula Decompression valves 1 shut-in time, can not water hammer be produced, piston type Decompression valves body 1 valve disc is equipped with stainless steel squirrel-cage energy dissipating cover, has dissipating functions, can anti-high-velocity flow cavitation erosion.
Working principle of the present utility model: this piston type maltilevel security Decompression valves is arranged in pressure piping and plays safety relief effect, is namely installed in parallel with main pipeline.When upstream pressure is lower than Stress control pilot valve 8 setting value, Stress control pilot valve 8 cuts out, upstream pressure acts on above the piston of piston type Decompression valves body 1, piston type Decompression valves body 1 is maintained close, when the upstream pressure upper long pressure being raised to Overpressure of a safety valve control pilot valve 8 setting value gradually, Stress control pilot valve 8 will be opened automatically, press water above piston is let out to lower exit through Stress control 8 pilot valve, now piston type Decompression valves body 1 is opened under upstream pressure effect, a large amount of sluicing, when being depressured to setting value, Decompression valves meeting slowly closing, water hammer can not be produced, waterpower self-control, reliable in action, the sealing seat of piston type Decompression valves body 1 and squirrel-cage energy dissipating cover material are stainless steel, antiscour, anti-cavitation, long service life.
The utility model is specially adapted to pipeline superpressure pressure release in water delivery pressure pipeline system, the working principle realizing maltilevel security pressure release control mode is: this piston type maltilevel security Decompression valves control loop adopts waterpower self-control and automatically controlled multiple control loops, has maltilevel security pressure release control mode; Be installed in parallel a solenoid valve 6 at control loop water outlet side simultaneously, formed with a direct control loop in road, the urgent automatically controlled direct pressure release that may be used for this piston type Decompression valves controls; This piston type maltilevel security Decompression valves electric control circuit has far controls function, implements a distant place and controls.Multiple control loops guarantees that pressure release is safe and reliable, the safety of protection pressure piping.
Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristics can be combined by rights; These improve retouching, change or combination, or the design of model utility and technological scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (5)
1. a piston type maltilevel security Decompression valves, it is characterized in that, comprise piston type Decompression valves body (1), desilting tank (2), three ball valves (3), pressure gauge (4), two differential pressure sender filters (5), two solenoid valves (6), needle type regulating valve (7), two Stress control pilot valves (8) and y-type filter (9), described desilting tank (2), ball valve (3), pressure gauge (4), differential pressure sender filter (5), solenoid valve (6), needle type regulating valve (7), Stress control pilot valve (8), y-type filter (9) is connected to form the waterpower self-control of described piston type Decompression valves body (1) and automatically controlled multiple control loops by pipeline, the installation of described desilting tank (2) is connected to described piston type Decompression valves body (2) pilot line water (flow) direction inlet, the diverse location of three described ball valve (3) mounting arrangements on control loop, described needle type regulating valve (7) is installed and is connected to described piston type Decompression valves body (1) piston cavity upper end entrance pressure mouth, two described Stress control pilot valves (8) are arranged on different control loop, two described solenoid valves (6) are installed in series in described Stress control pilot valve (8) front side respectively and are installed in parallel at control loop water outlet side, before described differential pressure sender filter (5) is arranged on described Stress control pilot valve (8) control loop, it is front that described pressure gauge (4) is arranged on described differential pressure sender filter (5), described y-type filter (9) is arranged on control loop water outlet side, and be connected with described piston type Decompression valves body (1) water (flow) direction outlet port interface by ball valve (3).
2. piston type maltilevel security Decompression valves according to claim 1, it is characterized in that, drive and adopt pipeline pressure medium water-driven, pilot pressure water is through described desilting tank (2) and described differential pressure sender filter (5), and front being provided with of described differential pressure sender filter (5) can indicate pressure gauge (4) described in control loop inlet pressure.
3. piston type maltilevel security Decompression valves according to claim 1, is characterized in that, a solenoid valve (6) is installed in parallel described at control loop water outlet side.
4. piston type maltilevel security Decompression valves according to claim 1, is characterized in that, also comprise, and described needle type regulating valve (7) is installed and is connected to described piston type Decompression valves body (1) piston cavity upper end entrance pressure mouth.
5. piston type maltilevel security Decompression valves according to claim 1, is characterized in that, also comprise, and described piston type Decompression valves body (1) valve disc is equipped with stainless steel squirrel-cage energy dissipating cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640389.1U CN204201196U (en) | 2014-10-28 | 2014-10-28 | A kind of piston type maltilevel security Decompression valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640389.1U CN204201196U (en) | 2014-10-28 | 2014-10-28 | A kind of piston type maltilevel security Decompression valves |
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| Publication Number | Publication Date |
|---|---|
| CN204201196U true CN204201196U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420640389.1U Expired - Fee Related CN204201196U (en) | 2014-10-28 | 2014-10-28 | A kind of piston type maltilevel security Decompression valves |
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| Country | Link |
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| CN (1) | CN204201196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042132A (en) * | 2015-08-21 | 2015-11-11 | 湖州新创丝织品有限公司 | Improved pressure reducing valve with filter device |
| CN111298508A (en) * | 2019-12-12 | 2020-06-19 | 陈小林 | Self-cleaning type petroleum suction filtering equipment |
-
2014
- 2014-10-28 CN CN201420640389.1U patent/CN204201196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042132A (en) * | 2015-08-21 | 2015-11-11 | 湖州新创丝织品有限公司 | Improved pressure reducing valve with filter device |
| CN111298508A (en) * | 2019-12-12 | 2020-06-19 | 陈小林 | Self-cleaning type petroleum suction filtering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20181028 |