CN104075119A - Pressure reduction and stabilization valve assembly - Google Patents
Pressure reduction and stabilization valve assembly Download PDFInfo
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- CN104075119A CN104075119A CN201410271005.8A CN201410271005A CN104075119A CN 104075119 A CN104075119 A CN 104075119A CN 201410271005 A CN201410271005 A CN 201410271005A CN 104075119 A CN104075119 A CN 104075119A
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- decompression
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Abstract
The invention relates to a pressure reduction and stabilization valve assembly, and the valve assembly comprises a pressure reduction pipeline and a pressure stabilization pipeline, wherein the pressure reduction pipeline comprises a first flange butterfly valve, a pressure reduction valve, a telescopic filter and a second flange butterfly valve, all which are in turn connected by a single pipe, the pressure stabilization pipeline comprises the second flange butterfly valve and a pressure release valve both which are in turn connected, and the first flange butterfly valve is respectively connected with the second flange butterfly valve and an outlet pipe through a three-way pipe; the pressure reduction pipeline adopts an using and reserving way, when either the pressure reduction valve or the telescopic filter on the pressure reduction pipeline generates faults, the flange butterfly valve on the main pressure reduction pipeline is closed, and the one on the standby pressure reduction pipeline is opened to use the pipeline. In comparison with the existing technology, the pressure reduction and stabilization valve assembly solves the problem that a traditional 200X guide type pressure reduction valve is failed in pressure reduction or doesn't reach the regulated pressure reduction effect due to external reasons, so that damage of the equipment on the rear pipeline of the pressure reduction valve or flood hazards are occurred due to large rear pressure of the pressure reduction valve.
Description
Technical field
The present invention relates to a kind of reduction valve group, especially relate to a kind of decompression venting valve group.
Background technique
Existing reduction valve group is generally to carry out throttling, filtration and decompression for convection cell.At present, a decompressing unit of reduction valve group is made up of stop valve, reduction valve, filter, safety valve and pressure gauge conventionally, and existing reduction valve group often adopts several decompressing unit parallel connections or is connected in series composition, is using on-the-spot installation to connect.Conventional reduction valve group is simple decompression at present, does not consider voltage stabilizing, and does not design reduced pressure line for subsequent use.
Summary of the invention
Object of the present invention is exactly to provide a kind of decompression venting valve group safe and reliable, simple to operate in order to overcome the defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of decompression venting valve group, it is characterized in that, comprise reduced pressure line and voltage stabilizing pipeline, described reduced pressure line comprises the first flange butterfly, reduction valve, flexible filter and the second flange butterfly that connect successively by single tube, described voltage stabilizing pipeline comprises the second flange butterfly and the Decompression valves that connect successively, and the first described flange butterfly is connected with three-flange butterfly valve and outer pipe respectively by three-way pipe;
Described reduced pressure line adopts a preparation and a use mode, in the time that the reduction valve on main reduced pressure line or flexible filter break down, closes the flange butterfly on main reduced pressure line, opens the flange butterfly on reduced pressure line for subsequent use, enables reduced pressure line for subsequent use.
Described filter is the flexible filter of Y type.
Described reduction valve is 200X type piloted reducer.
Described Decompression valves is 500X type Decompression valves.
After described 200X type piloted reducer, set up emptying pipe, and design and installation has 500X type Decompression valves and the second flange butterfly in emptying pipe, when normal water flowing, first be full of after water to downstream line, debug again 200X piloted reducer outlet pressure to the force value that will set, by regulating 200P type reduction valve upper stud on 200X type piloted reducer that 200X type piloted reducer outlet pressure is set, 200P reduction valve upper stud turns downwards, 200X type piloted reducer outlet pressure setting value increases, otherwise reduces;
Set after 200X type piloted reducer outlet pressure, reset 500X type Decompression valves pressure, by regulating 500P pressure release pilot valve upper stud on 500X type Decompression valves that 500X type reduction valve inlet pressure is set, 500P pressure release pilot valve upper stud turns downwards, 500X type Decompression valves outlet pressure setting value increases, otherwise reduce, 500X type Decompression valves arranges pressure, higher than the outlet of valve group, pressure 1.5kg/cm is set
2left and right;
In the time that the decompression of 200X type piloted reducer was lost efficacy, when the pressure after reduction valve is greater than the pressure of setting, 500X type Decompression valves is opened and is started pressure release.Do not damage the equipment after reduction valve because of overpressure after reduction valve like this.For high-rise building or water factory at night hourly water consumption be significantly smaller than water consumption on daytime, the easy like this decompression downstream pressure rising 0.5kg/cm that causes
2, after design and installation 500X type Decompression valves, in the time that after 200X type piloted reducer, pressure is greater than setting pressure, 500X type Decompression valves is opened automatically, starts pressure release, and after Decompression valves, water is discharged to wet pit or sewage pipe by waste pipe.If not design and installation 500X type Decompression valves, if 200X type piloted reducer decompression was lost efficacy or decompression downstream pressure raises because of outside cause, now be easy to damage 200X reduction valve valve rear end pipe built-in unit, even cause the accidents such as booster, flood the harm such as building or water factory thereby cause.
In import with export out and be equipped with the pressure gauge that reads force value before and after 200X reduction valve.
Compared with prior art, the present invention has the effect of easing stress that has solved traditional 200X type piloted reducer decompression inefficacy or do not reached regulation because of outside cause, thereby cause and destroy the harm such as equipment or floods on pipeline after reduction valve because decompression downstream pressure is excessive, in the time that reduction valve decompression was lost efficacy, when pressure after reduction valve is greater than the pressure of setting, 500X type Decompression valves is opened and is started pressure release, probability and impact that reduction accident occurs, and have the effect of voltage stabilizing concurrently, make system more stable.
Brief description of the drawings
Fig. 1 is the structural representation of facing of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Wherein, 1 is three-way pipe, and 2-1,2-4 are the first flange butterfly, 2-2,2-3 are the second flange butterfly, and 2-5 is three-flange butterfly valve, and 3 is short tube, 4-1,4-2 are reduction valve, 5-1,5-2 are filter, and 6 is short steel pipes, and 7 is bend pipe, 8 is Decompression valves, 9-1,9-2 are pressure gauge, and 11 is inlet tube, and 12 is outer pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment:
As depicted in figs. 1 and 2, a kind of decompression venting valve group, comprise reduced pressure line and voltage stabilizing pipeline, described reduced pressure line comprises the first flange butterfly 2-1, the 2-4, reduction valve 4-1,4-2, flexible filter 5-1,5-2 and the second flange butterfly 2-2, the 2-3 that connect successively by single tube 3, described voltage stabilizing pipeline comprises the three-flange butterfly valve 2-5 and the Decompression valves 8 that connect successively, and the first described flange butterfly 2-1 is connected with three-flange butterfly valve 2-5 and outer pipe respectively by three-way pipe with the second flange butterfly 2-4.
Described reduction valve 4-1,4-2 is 200X type piloted reducer.Described Decompression valves 8 is 500X type Decompression valves.Described filter 5-1,5-2 is the flexible filter of Y type.The flexible filter of Y type is installed before reduction valve, not only play a role in filtering and can also compensate short tube length variation, the Y type design and installation flange butterfly after filter Front-end Design mounting flange butterfly valve, 200X type piloted reducer that stretches is closed flange butterfly 2-1,2-2 in the time that 200X type piloted reducer and the flexible filter of Y type are keeped in repair or clear up the flexible filter of Y type.
Reduced pressure line is designed to a preparation and a use, in the time that breaking down, the flexible filter of 200X type piloted reducer or Y type in main line reduction valve group closes flange butterfly 2-1,2-2, open flange butterfly 2-3,2-4, enable active redundancy pipeline, thereby do not affect the normal work of whole pipeline.After 200X type piloted reducer, set up emptying pipe, and design and installation has 500X type Decompression valves and flange butterfly 2-5 in emptying pipe, when normal water flowing, first be full of after water to downstream line, require in accordance with regulations again to set 200X type piloted reducer outlet pressure (utilizing inlet pressure gauge 9-1 and delivery gauge 9-2 to read 200X type piloted reducer front and back force value), by regulating 200P type reduction valve upper stud on 200X type piloted reducer that 200X type piloted reducer outlet pressure is set, 200P type reduction valve upper stud turns downwards, 200X type piloted reducer outlet pressure setting value increases, otherwise reduce.Set after 200X type piloted reducer outlet pressure, reset 500X type Decompression valves pressure, by regulating 500P pressure release pilot valve upper stud on 500X type Decompression valves that 500X Decompression valves pressure is set, 500P pressure release pilot valve upper stud turns downwards, 500X type Decompression valves pressure set points increases, otherwise reduce, generally, 500X type Decompression valves arranges pressure, higher than the outlet of pressure maintaining valve group, pressure 1.5kg/cm is set
2left and right.
The advantage of decompression venting valve group maximum is in the time that the decompression of 200X type piloted reducer was lost efficacy, when pressure after 200X type piloted reducer is greater than setting pressure 1.5kg/cm
2, 500X type Decompression valves is opened automatically when the left and right, starts pressure release, once 500X type Decompression valves cuts out automatically after 200X type pilot operated pressure relief downstream pressure is replied setting pressure, stops pressure release.Flange butterfly 2-5 opens under normal circumstances.
In the time that the pressure after 200X type piloted reducer is greater than the pressure of setting, 500X type Decompression valves is opened automatically, starts pressure release.Do not damage equipment on 200X type piloted reducer rear line because of overpressure after 200X type piloted reducer like this.For high-rise building or water factory, at night, water consumption is significantly smaller than water consumption on daytime, and the easy like this decompression downstream pressure that causes raises, and installs after 500X type Decompression valves, when pressure after 200X type piloted reducer is greater than setting pressure 1.5kg/cm
2, 500X type Decompression valves is opened beginning pressure release automatically when the left and right, do not affect the upper miscellaneous equipment of supervisor after 200X type pilot operated pressure relief valve normal work, and also extend working life of these equipment on pipeline simultaneously.Water conservancy after 500X type Decompression valves can be discharged to wet pit or sewage pipe with waste pipe.If not design and installation 500X type Decompression valves, if 200X type piloted reducer decompression was lost efficacy or decompression downstream pressure raises because of outside cause, now be easy to damage 200X type piloted reducer rear end pipe built-in unit, even cause the accidents such as booster, flood the harm such as building or water factory thereby cause.
Decompression venting valve group can design different tube length according to different bores, and it both can level install also can at right angle setting, this kind of design and installation mode is flexible and changeable.
Claims (6)
1. a decompression venting valve group, it is characterized in that, comprise reduced pressure line and voltage stabilizing pipeline, described reduced pressure line comprises the first flange butterfly (2-1 connecting successively by single tube (3), 2-4), reduction valve (4-1, 4-2), flexible filter (5-1, 5-2) He the second flange butterfly (2-2, 2-3), described voltage stabilizing pipeline comprises the three-flange butterfly valve (2-5) and the Decompression valves (8) that connect successively, the first described flange butterfly (2-1, 2-4) be connected with the second flange butterfly (2-5) and outer pipe respectively by three-way pipe,
Described reduced pressure line adopts a preparation and a use mode, in the time that the reduction valve on main reduced pressure line or flexible filter break down, closes the flange butterfly on main reduced pressure line, opens the flange butterfly on reduced pressure line for subsequent use, enables reduced pressure line for subsequent use.
2. a kind of decompression venting valve group according to claim 1, is characterized in that, described filter (5-1,5-2) is the flexible filter of Y type.
3. a kind of decompression venting valve group according to claim 1, is characterized in that, described reduction valve (4-1,4-2) is 200X type piloted reducer.
4. a kind of decompression venting valve group according to claim 1, is characterized in that, described Decompression valves (8) is 500X type Decompression valves.
5. according to a kind of decompression venting valve group described in claim 3 or 4, it is characterized in that, after described 200X type piloted reducer, set up emptying pipe, and design and installation has 500X type Decompression valves and three-flange butterfly valve (2-5) in emptying pipe, when normal water flowing, first be full of after water to downstream line, debug again 200X piloted reducer outlet pressure to the force value that will set, by regulating 200P type reduction valve upper stud on 200X type piloted reducer that 200X type piloted reducer outlet pressure is set, 200P reduction valve upper stud turns downwards, 200X type piloted reducer outlet pressure setting value increases, otherwise reduce,
Set after 200X type piloted reducer outlet pressure, reset 500X type Decompression valves pressure, by regulating 500P pressure release pilot valve upper stud on 500X type Decompression valves that 500X type reduction valve inlet pressure is set, 500P pressure release pilot valve upper stud turns downwards, 500X type Decompression valves outlet pressure setting value increases, otherwise reduce, 500X type Decompression valves arranges pressure, higher than the outlet of valve group, pressure 1.5kg/cm is set
2left and right;
In the time that the decompression of 200X type piloted reducer was lost efficacy, when the pressure after reduction valve is greater than the pressure of setting, 500X type Decompression valves is opened and is started pressure release.
6. a kind of decompression venting valve group according to claim 3, is characterized in that, in import with export out and be equipped with the pressure gauge (9-1,9-2) that reads force value before and after 200X reduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271005.8A CN104075119A (en) | 2014-06-17 | 2014-06-17 | Pressure reduction and stabilization valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271005.8A CN104075119A (en) | 2014-06-17 | 2014-06-17 | Pressure reduction and stabilization valve assembly |
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| Publication Number | Publication Date |
|---|---|
| CN104075119A true CN104075119A (en) | 2014-10-01 |
Family
ID=51596593
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410271005.8A Pending CN104075119A (en) | 2014-06-17 | 2014-06-17 | Pressure reduction and stabilization valve assembly |
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| CN (1) | CN104075119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591823A (en) * | 2018-05-07 | 2018-09-28 | 西安交通大学 | A kind of online oxygen system and control method of continuous-stable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280193A (en) * | 1994-04-13 | 1995-10-27 | Kitz Corp | Valve driving device |
| JP2004013249A (en) * | 2002-06-04 | 2004-01-15 | Ckd Corp | Gas supply system |
| CN201507787U (en) * | 2009-09-29 | 2010-06-16 | 程利勇 | Special gas pressure regulating valve set |
| CN103032677A (en) * | 2011-10-08 | 2013-04-10 | 孙敬东 | Air pressure reducing valve group |
| CN203948951U (en) * | 2014-06-17 | 2014-11-19 | 上海冠龙阀门机械有限公司 | A kind of decompression venting valve group |
-
2014
- 2014-06-17 CN CN201410271005.8A patent/CN104075119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07280193A (en) * | 1994-04-13 | 1995-10-27 | Kitz Corp | Valve driving device |
| JP2004013249A (en) * | 2002-06-04 | 2004-01-15 | Ckd Corp | Gas supply system |
| CN201507787U (en) * | 2009-09-29 | 2010-06-16 | 程利勇 | Special gas pressure regulating valve set |
| CN103032677A (en) * | 2011-10-08 | 2013-04-10 | 孙敬东 | Air pressure reducing valve group |
| CN203948951U (en) * | 2014-06-17 | 2014-11-19 | 上海冠龙阀门机械有限公司 | A kind of decompression venting valve group |
Non-Patent Citations (1)
| Title |
|---|
| 吴海东等: "先导式减压阀在蒸汽***节能改造中的应用", 《上海节能》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591823A (en) * | 2018-05-07 | 2018-09-28 | 西安交通大学 | A kind of online oxygen system and control method of continuous-stable |
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Application publication date: 20141001 |