CN104500800A - Axial flow pressure regulator - Google Patents
Axial flow pressure regulator Download PDFInfo
- Publication number
- CN104500800A CN104500800A CN201410843736.5A CN201410843736A CN104500800A CN 104500800 A CN104500800 A CN 104500800A CN 201410843736 A CN201410843736 A CN 201410843736A CN 104500800 A CN104500800 A CN 104500800A
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- China
- Prior art keywords
- cavity
- valve
- attachment hole
- axial flow
- pressure regulator
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- 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.)
- Pending
Links
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to an axial flow pressure regulator. The axial flow pressure regulator comprises a valve body consisting of an upper shell with an air inlet and a lower shell with an air outlet, and a controller connected with the air inlet and the air outlet; an air accommodating cavity is formed in the valve body, and a balance membrane for separating the air accommodating cavity into an upper cavity and a lower cavity is arranged in the valve body; the upper cavity is communicated with the air outlet; the lower cavity is communicated with the controller; a sleeve is arranged in the valve body; the bottom of the sleeve is provided with a connected valve clack; the sleeve is connected with the valve body through a spring; the controller consists of a director for controlling air pressure and a pressure stabilizer matched with the director. The axial flow pressure regulator has the characteristics of simple structure, stable output pressure, good pressure control and regulation performance and the like.
Description
Technical field
The present invention relates to pressure governor technical field, particularly axial flow pressure regulator.
Background technique
Pressure governor is widely used in gas pressure regulating station, is most important assembly in gas pressure regulating station, and his effect is that lower pressure gaseous-pressure higher for upstream being reduced to pipe network or pipeline also keeps stable.Gas pressure regulator, governor can be divided into according to the structural type of pressure regulation throttle element: by formula pressure governor, diaphragm type pressure governor, axial flow pressure regulator etc., its effect is automatic regulating gas air outlet pressure, it is made to be stabilized in a certain pressure range, meet user's required pressure value, meet usage requirement, so pressure governor is often equipped with pilot valve to control the pressure of gas outlet, but there is control instability in existing pilot valve, easily makes the defects such as pressure governor generation surge.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of structure simple, there is the axial flow pressure regulator that delivery pressure is stablized, controlled the good controller of pressure regulating performance.
Realize technological scheme of the present invention as follows:
Axial flow pressure regulator, wrap the valve body be made up of with the lower shell body with air outlet the upper shell with suction port, and the controller to be connected with air outlet with suction port, gas cavity is provided with and for being divided into by gas cavity in described valve body, the balance film of lower chamber, upper cavity is connected by connecting tube with air outlet, lower chamber is connected with controller, sleeve is also had in valve body, sleeve bottom is provided with the flap be connected, sleeve is connected with valve body by spring, described controller is also communicated with air outlet with suction port, controller is by controlling the pilot valve of air pressure and forming with the voltage stabilizer that pilot valve is used in combination.
Described voltage stabilizer comprises voltage stabilizer housing, the first cavity be connected with pilot valve is provided with in voltage stabilizer housing, and on voltage stabilizer surface of shell, be provided with the first attachment hole be connected with the first cavity, first attachment hole is communicated with suction port by the first connecting tube, first cavity upper end portion is provided with the pallet be connected with voltage stabilizer housing by the first spring, first cavity underpart is provided with the first bearing, first bearing is provided with the first valve port be communicated with the first attachment hole, the first balance film being divided into two independently sealed air chamber is provided with below described pallet, the first locking device opened and closed for controlling the first valve port is provided with below pallet, advantage is that gas enters from suction port, air pressure debugging is carried out by the opening and closing of valve port, namely supercharging or decompression are carried out to it, it is upper that first cavity is divided into by balance film, lower two cavitys, can ensure to form a draught head between upper and lower cavity, ensure that pressure governor can stable operation, when draught head is lower than setting value, pallet promotes the first locking device and moves down, and the gap now between the first locking device and the first valve port becomes large gradually, and namely air inlet quantitative change is large, draught head between the upper and lower cavity of such voltage stabilizer reduces, thus slowly close to setting value, when draught head is higher than setting value, under the action of the spring, first locking device moves up, gap between itself and the first valve port diminishes until close, namely not in air inlet, draught head between the upper and lower cavity of such voltage stabilizer increases, until consistent with setting value, thus reaches the effect regulating inlet pressure.
Described first locking device comprises the first valve rod and is arranged on first valve pad with closed first valve port of the first valve rod lower end surface, and advantage is that structure is simple, easy to use.
Described pilot valve comprises pilot valve housing, the second cavity is provided with in pilot valve housing, and on pilot valve surface of shell, be provided with the second attachment hole and the 3rd attachment hole that are connected with the second cavity, second attachment hole is connected with the first attachment hole, second attachment hole is communicated with lower chamber by the second connecting tube, 3rd attachment hole is communicated with air outlet by the 3rd connecting tube, second cavity is connected with the first cavity, second cavity upper end is provided with the second locking device be connected with pilot valve housing by the second spring, the second valve port adapted with it is provided with below second locking device, second valve port is communicated with the second attachment hole, the second balance film being divided into upper and lower two independently sealed air chamber is provided with in described second cavity, advantage is when in the lower chamber that gas comes pilot valve in voltage stabilizer, draught head can be formed with the air pressure in upper cavity, the air pressure of upper cavity has air outlet to feed back, when draught head is lower than setting value, the second locking device can be promoted move down, increase air inflow, otherwise the second locking device moves, reduces air inflow, ensure that draught head is consistent with setting value, thus reach the effect adjusting outlet pressure.
Described second locking device comprises the second valve rod and is arranged on second valve pad with closed second valve port on the second valve rod lower end surface, and advantage is that structure is simple, easy to use.
Described second cavity lower end is provided with the 4th spring, 4th spring upper end is connected with the seat of honour, lower end is connected with base, base is provided with the adjusting nut be connected with pilot valve housing, advantage is the pressure being regulated the 4th spring by adjusting nut, thus changes the setting value in the second cavity lower end internal air pressure.
Have employed above-mentioned scheme, when pressure governor normally works, the air pressure in upper and lower cavity is consistent, and now flap is open mode, and air-flow can flow out from air outlet smoothly; When inlet pressure is too high, controller will be fed back to and regulated air pressure in lower chamber by controller, make the air pressure in lower chamber be greater than upper cavity, now extrusion spring, band moving sleeve moves, and ensures that flap is open mode, thus reaches the object to suction port decompression, voltage stabilizing; When air outlet overpressure or too low time, its principle is consistent with suction port, thus reaches the object to air outlet decompression, voltage stabilizing, and structure is simple, and delivery pressure is stable, it is good to control pressure regulating performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of Fig. 1 middle controller;
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As Fig. 1 and Fig. 2, axial flow pressure regulator, wrap the valve body 5 be made up of with the lower shell body 4 with air outlet 3 upper shell 2 with suction port 1, and the controller 13 to be connected with air outlet 3 with suction port 1, gas cavity 6 is provided with and for being divided into by gas cavity 6 in described valve body 5, lower chamber 7, the balance film 9 of 8, upper cavity 7 is connected with air outlet 3, lower chamber 8 is connected by connecting tube with controller 13, sleeve 11 is also had in valve body 5, the flap 10 be connected is provided with bottom sleeve 11, sleeve 11 is connected with valve body 5 by spring 12, described controller 13 is also communicated with air outlet 3 with suction port 1, controller 13 is by controlling the pilot valve 15 of air pressure and forming with the voltage stabilizer 14 that pilot valve 15 is used in combination.
Described voltage stabilizer 14 comprises voltage stabilizer housing 22, the first cavity 23 be connected with pilot valve 15 is provided with in voltage stabilizer housing 22, and the first attachment hole 16 be connected with the first cavity 23 is provided with on the surface at voltage stabilizer housing 22, first attachment hole 16 is communicated with suction port 1 by the first connecting tube 17, first cavity 23 upper end portion is provided with the pallet 24 be connected with voltage stabilizer housing 23 by the first spring 25, first cavity 23 underpart is provided with the first bearing 27, first bearing 27 is provided with the first valve port 28 be communicated with the first attachment hole 16, the first balance film 26 being divided into two independently sealed air chamber is provided with below described pallet 24, the first locking device opened and closed for controlling the first valve port 28 is provided with below pallet 24, advantage is that gas enters from suction port, air pressure debugging is carried out by the opening and closing of valve port, namely supercharging or decompression are carried out to it, it is upper that first cavity is divided into by balance film, lower two cavitys, can ensure to form a draught head between upper and lower cavity, ensure that pressure governor can stable operation, when draught head is lower than setting value, pallet promotes the first locking device and moves down, and the gap now between the first locking device and the first valve port becomes large gradually, and namely air inlet quantitative change is large, draught head between the upper and lower cavity of such voltage stabilizer reduces, thus slowly close to setting value, when draught head is higher than setting value, under the action of the spring, first locking device moves up, gap between itself and the first valve port diminishes until close, namely not in air inlet, draught head between the upper and lower cavity of such voltage stabilizer increases, until consistent with setting value, thus reaches the effect regulating inlet pressure.
Described first locking device comprises the first valve rod 29 and is arranged on first valve pad 30 with closed first valve port 28 of the first valve rod 19 lower end surface, and advantage is that structure is simple, easy to use.
Described pilot valve 15 comprises pilot valve housing 31, the second cavity 32 is provided with in pilot valve housing 31, and the second attachment hole 20 and the 3rd attachment hole 18 that are connected with the second cavity 32 is provided with on the surface at pilot valve housing 31, second attachment hole 20 is communicated with 16 with the first attachment hole, second attachment hole 20 is communicated with lower chamber 8 by the second connecting tube 21, 3rd attachment hole 18 is communicated with air outlet 3 by the 3rd connecting tube 19, second cavity 32 is connected with the first cavity 23, second cavity 32 upper end is provided with the second locking device be connected with pilot valve housing 31 by the second spring 33, the second valve port 36 adapted with it is provided with below second locking device, second valve port 36 is communicated with the second attachment hole 20, the second balance film 37 being divided into upper and lower two independently sealed air chamber is provided with in described second cavity 32, advantage is when in the lower chamber that gas comes pilot valve in voltage stabilizer, draught head can be formed with the air pressure in upper cavity, the air pressure of upper cavity has air outlet to feed back, when draught head is lower than setting value, the second locking device can be promoted move down, increase air inflow, otherwise the second locking device moves, reduces air inflow, ensure that draught head is consistent with setting value, thus reach the effect adjusting outlet pressure.
Described second locking device comprises the second valve rod 34 and is arranged on second valve pad 35 with closed second valve port 26 on the second valve rod 34 lower end surface, and advantage is that structure is simple, easy to use.
Described second cavity 32 lower end is provided with the 4th spring 39,4th spring 39 upper end is connected with the seat of honour 38, lower end is connected with base 40, base 40 is provided with the adjusting nut 41 be connected with pilot valve housing 31, advantage is the pressure being regulated the 4th spring by adjusting nut, thus changes the setting value in the second cavity lower end internal air pressure.
Claims (6)
1. axial flow pressure regulator, wrap the valve body be made up of with the lower shell body with air outlet the upper shell with suction port, and the controller to be connected with air outlet with suction port, it is characterized in that: be provided with gas cavity in described valve body and for being divided into by gas cavity, the balance film of lower chamber, upper cavity is connected by connecting tube with air outlet, lower chamber is connected with controller, sleeve is also had in valve body, sleeve bottom is provided with the flap be connected, sleeve is connected with valve body by spring, described controller is also communicated with air outlet with suction port, controller is by controlling the pilot valve of air pressure and forming with the voltage stabilizer that pilot valve is used in combination.
2. axial flow pressure regulator according to claim 1, it is characterized in that: described voltage stabilizer comprises voltage stabilizer housing, the first cavity be connected with pilot valve is provided with in voltage stabilizer housing, and on voltage stabilizer surface of shell, be provided with the first attachment hole be connected with the first cavity, first attachment hole is communicated with suction port by the first connecting tube, first cavity upper end portion is provided with the pallet be connected with voltage stabilizer housing by the first spring, first cavity underpart is provided with the first bearing, first bearing is provided with the first valve port be communicated with the first attachment hole, the first balance film being divided into two independently sealed air chamber is provided with below described pallet, the first locking device opened and closed for controlling the first valve port is provided with below pallet.
3. axial flow pressure regulator according to claim 2, is characterized in that: described first locking device comprises the first valve rod and is arranged on first valve pad with closed first valve port of the first valve rod lower end surface.
4. axial flow pressure regulator according to claim 1 and 2, it is characterized in that: described pilot valve comprises pilot valve housing, the second cavity is provided with in pilot valve housing, and on pilot valve surface of shell, be provided with the second attachment hole and the 3rd attachment hole that are connected with the second cavity, second attachment hole is connected with the first attachment hole, second attachment hole is communicated with lower chamber by the second connecting tube, 3rd attachment hole is communicated with air outlet by the 3rd connecting tube, second cavity is connected with the first cavity, second cavity upper end is provided with the second locking device be connected with pilot valve housing by the second spring, the second valve port adapted with it is provided with below second locking device, second valve port is connected with the second attachment hole, be provided with in described second cavity and be divided into, in, second balance film of lower three independently sealed air chamber.
5. axial flow pressure regulator according to claim 4, is characterized in that: described second locking device comprises the second valve rod and is arranged on second valve pad with closed second valve port on the second valve rod lower end surface.
6. axial flow pressure regulator according to claim 4, is characterized in that: described second cavity lower end is provided with the 4th spring, and the 4th spring upper end is connected with the seat of honour, and lower end is connected with base, and base is provided with the adjusting nut be connected with pilot valve housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843736.5A CN104500800A (en) | 2014-12-30 | 2014-12-30 | Axial flow pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843736.5A CN104500800A (en) | 2014-12-30 | 2014-12-30 | Axial flow pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500800A true CN104500800A (en) | 2015-04-08 |
Family
ID=52942232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410843736.5A Pending CN104500800A (en) | 2014-12-30 | 2014-12-30 | Axial flow pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500800A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193295A (en) * | 2016-03-15 | 2017-09-22 | 马达斯有限责任公司 | For controlling and adjusting control and the adjusting means that gas passes through |
| CN107917208A (en) * | 2016-10-07 | 2018-04-17 | 艾默生过程管理调节技术公司 | Top entry axial flow adjuster |
| CN113531180A (en) * | 2021-07-30 | 2021-10-22 | 上海飞奥燃气设备有限公司 | High-pressure large-flow axial-flow type gas pressure regulator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288124A (en) * | 2002-03-27 | 2003-10-10 | Osaka Gas Co Ltd | Pressure governor |
| CN1721750A (en) * | 2004-07-05 | 2006-01-18 | 王元清 | High differential pressure high accuracy cage type pressure regulating device |
| CN101004227A (en) * | 2006-01-20 | 2007-07-25 | 苏州安力环保设备有限公司 | Top-loaded axial flow pressure regulator |
| CN201615278U (en) * | 2009-12-25 | 2010-10-27 | 特瑞斯信力(常州)燃气设备有限公司 | Remote pressure and flow control system of self-operated pressure regulator |
| CN202082450U (en) * | 2011-06-10 | 2011-12-21 | 大连派思燃气系统股份有限公司 | Pilot valve control-type pressure regulator |
| CN204512573U (en) * | 2014-12-30 | 2015-07-29 | 特瑞斯能源装备股份有限公司 | Axial flow pressure regulator |
-
2014
- 2014-12-30 CN CN201410843736.5A patent/CN104500800A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288124A (en) * | 2002-03-27 | 2003-10-10 | Osaka Gas Co Ltd | Pressure governor |
| CN1721750A (en) * | 2004-07-05 | 2006-01-18 | 王元清 | High differential pressure high accuracy cage type pressure regulating device |
| CN101004227A (en) * | 2006-01-20 | 2007-07-25 | 苏州安力环保设备有限公司 | Top-loaded axial flow pressure regulator |
| CN201615278U (en) * | 2009-12-25 | 2010-10-27 | 特瑞斯信力(常州)燃气设备有限公司 | Remote pressure and flow control system of self-operated pressure regulator |
| CN202082450U (en) * | 2011-06-10 | 2011-12-21 | 大连派思燃气系统股份有限公司 | Pilot valve control-type pressure regulator |
| CN204512573U (en) * | 2014-12-30 | 2015-07-29 | 特瑞斯能源装备股份有限公司 | Axial flow pressure regulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193295A (en) * | 2016-03-15 | 2017-09-22 | 马达斯有限责任公司 | For controlling and adjusting control and the adjusting means that gas passes through |
| CN107917208A (en) * | 2016-10-07 | 2018-04-17 | 艾默生过程管理调节技术公司 | Top entry axial flow adjuster |
| CN113531180A (en) * | 2021-07-30 | 2021-10-22 | 上海飞奥燃气设备有限公司 | High-pressure large-flow axial-flow type gas pressure regulator |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |