CN2343612Y - Outlet pressure stabilizer for self-operated pressure regulator - Google Patents
Outlet pressure stabilizer for self-operated pressure regulator Download PDFInfo
- Publication number
- CN2343612Y CN2343612Y CN 98235462 CN98235462U CN2343612Y CN 2343612 Y CN2343612 Y CN 2343612Y CN 98235462 CN98235462 CN 98235462 CN 98235462 U CN98235462 U CN 98235462U CN 2343612 Y CN2343612 Y CN 2343612Y
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- CN
- China
- Prior art keywords
- pressure regulator
- valve
- naphthalin
- removing tube
- valve rod
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an outlet pressure stabilizer for a self-operated pressure regulator which is composed of dirt proof sleeves and a naphthalene removing barrel. The dirt proof sleeves are arranged outside the valve stem of a main pressure regulator and on the upper part of a footstock. The naphthalene removing barrel is arranged between a valve port signal pipe of a director of a pressure regulator and a main pressure regulator. Because the structure is adopted, the pollution of the valve stem caused by gas can be effectively prevented so that the valve stem can normally work. Naphthalene crystallisation in gas can be effectively prevented from depositing on the pipe walls of a command system when using gas with a low temperature so that the command system of the pressure regulator can smoothly work and the stable output pressure of the pressure regulator can be ensured. The utility model has the advantages of simple structure, low cost, convenient maintenance, etc.
Description
The utility model relates to the improvement of the self-operated type pressure regulator that uses in a kind of gas transmission ﹠ distribution field, particularly a kind of self-operated type pressure regulator top hole pressure stabilising arrangement.
At present, the self-operated type pressure regulator in the gas transmission and distribution process, on the main voltage regulator valve rod owing to be subjected to washing away of combustion gas for a long time, impurity in the combustion gas is often attached on the valve rod, make the upper and lower motion of valve rod dumb, normal stuck on valve seat, thus cause pressure regulator top hole pressure instability; On the other hand, self-operated type pressure regulator command system is in low temperature environment uses, naphthalene in the combustion gas is easily sublimated, in the command system pipeline, easily form naphthalene crystal, be deposited on the wall of the lumen, the resistance of signal pipe, valve port, the needle valve of command system is increased even stop up, cause the command system of pressure regulator malfunctioning, thereby make pressure regulator top hole pressure instability.
The purpose of this utility model will provide a kind of self-operated type pressure regulator top hole pressure stabilising arrangement exactly, and it can prevent to form dirt effectively on the main voltage regulator valve rod blocks, and the main voltage regulator valve rod can normally be moved, thereby guarantee the stable of pressure regulator top hole pressure; Also can prevent simultaneously effectively when low temperature environment uses pressure regulator, the formation of naphthalene crystal in the command system pipeline, guarantee that the command system of pressure regulator is unobstructed, thereby make the pressure regulator top hole pressure stable.
The purpose of this utility model is achieved in that a kind of self-operated type pressure regulator top hole pressure stabilising arrangement, form by valve rod dirt proof sleeve 3 and naphthalin removing tube 5, valve rod dirt proof sleeve 3 is arranged on the outside of pressure regulator main pressure regulator valve rod 1 and the top of footstock 4, be filled with solid lubricant 2 between valve rod dirt proof sleeve 3 and the valve rod 1, naphthalin removing tube 5 is arranged between the signal pipe I 14 and main voltage regulator 8 of pilot valve valve port 13 of pressure regulator command system.Naphthalin removing tube is made up of by-pass valve 6, air intake control valve 7, leaving air control valve 10, wire gauze 8 and dividing plate with holes 9, air intake control valve 7 on the naphthalin removing tube 5, and leaving air control valve 10 between by-pass valve 6 is set, dividing plate 9 with holes is set in the naphthalin removing tube 5, dividing plate 9 with holes is positioned at the top of naphthalin removing tube 5 straight outer gold-plating diesel oil 11, and dividing plate 9 with holes is provided with wire gauze 8.
Owing to outside self-operated type pressure regulator valve rod and footstock, dirt proof sleeve is set, fill solid lubricant between dirt proof sleeve and the valve rod, so can prevent effectively that impurity such as dust, naphthalene crystal, tar in the combustion gas is to the pollution of stem surface, avoided the dirt deposition of stem surface, make the upper and lower slip of valve rod energy freely, thereby make the pressure regulator top hole pressure stable; Again owing in self-operated type pressure regulator command system pipeline, set up the naphthalin removing tube device, be provided with wire gauze in the naphthalin removing tube, carry secretly by pilot valve so can prevent the generation of naphthalene crystal and greasy dirt effectively, keep the unimpeded of pilot valve pipeline, thereby make the pressure regulator top hole pressure stable; Again owing on naphthalin removing tube, being provided with by-pass valve, so can when the gas transmission and distribution normal operation, keep in repair to naphthalin removing tube.Advantage such as that the utility model also has is simple in structure, use is easy to maintenance, cost is low.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of the utility model valve rod dirt proof sleeve.
Fig. 2 is the structural representation of the utility model naphthalin removing tube.
Fig. 3 is that the utility model is implemented illustration.
Wherein, Fig. 1 double as Figure of abstract.
Among the figure: 1, valve rod, 2, solid lubricant, 3, dirt proof sleeve, 4, footstock, 5, naphthalin removing tube, 6, by-pass valve, 7, air intake control valve, 8, wire gauze, 9, dividing plate with holes, 10, leaving air control valve, 11, straight-run diesel oil, 12, pilot valve, 13, pilot valve valve port, 14, the signal pipe I, 15, the signal pipe II, 16, homophony epithelium, 17, the main voltage regulator valve port, 18, main voltage regulator.
Outlet pressure stabilizer for self-operated pressure regulator is made of valve rod dirt proof sleeve 3 valve rod dirt proof sleeve 3 and naphthalin removing tube 5 Be arranged on the outside of pressure regulator main pressure regulator valve rod 1 and the top of footstock 4, fill between valve rod dirt proof sleeve 3 and the valve rod 1 Solid lubricant 2 is arranged, naphthalin removing tube 5 be arranged on the pressure regulator command system pilot valve valve port 13 signal pipe I 14 with Between the main voltage regulator 18. Naphthalin removing tube 5 is by by-passing valve 6, air intake control valve 7, leaving air control valve 10, wire Net 8 and dividing plate with holes 9 form, and between naphthalin removing tube 5 upper air control valves 7 and the leaving air control valve 10 by-passing valve 6 are set, Naphthalin removing tube 5 is interior to arrange dividing plate 9 with holes, and dividing plate 9 with holes is positioned at the top of naphthalin removing tube 5 straight-run diesel oils 11, with holes every Be provided with woven wire 8 on the plate 9.
Embodiment: see Fig. 3
During use, when the user is lower than system's gaseous-pressure with atmospheric pressure, the combustion gas setting pressure passes to the homophony epithelium 16 of main voltage regulator 18 in the pilot valve 12 by signal pipe II 15, homophony epithelium 16 is raised up, thereby promoting valve rod 1 moves upward, compression homophony spring is opened main voltage regulator valve port 17, and combustion gas just can increase user's gaseous-pressure through main voltage regulator valve port 17.Owing to be with dirt proof sleeve 3 outside valve rod 1 and the footstock 4, so the impurity of being carried secretly in the combustion gas just can not pollute valve rod 1, thereby guarantee that valve rod 1 normally moves up and down in footstock 4, make the pressure regulator top hole pressure stable.
When low temperature uses in the winter time, combustion gas enters in the naphthalin removing tube 5 interior straight-run diesel oils 11 by air intake control valve 7, by oil wash the naphthalene in the combustion gas is reduced, the combustion gas that oil wash is crossed enters leaving air control valve 10 by the wire gauze 8 on the dividing plate 9 with holes, guaranteed the clean of combustion gas, combustion gas after the purification enters system's pilot valve valve port 13 by signal pipe I 14, make pilot valve energy operate as normal, because processing through naphthalin removing tube 5, make and can not form the naphthalene crystal deposition in the pipeline, thereby make the work of pressure regulator command system unobstructed, guaranteed the stable of under low-temperature condition pressure regulator top hole pressure.
When naphthalin removing tube 5 needs maintenance, close air intake control valve 7 and leaving air control valve 10, open by-pass valve 6, so just can guarantee the normal transmission ﹠ distribution of combustion gas, thereby keep in repair naphthalin removing tube 5 when being implemented in the normal transmission ﹠ distribution of combustion gas.
Claims (2)
1, a kind of self-operated type pressure regulator top hole pressure stabilising arrangement, it is characterized in that: it is made up of valve rod dirt proof sleeve, (3) and naphthalin removing tube (5), valve rod dirt proof sleeve (3) is arranged on the outside of pressure regulator main voltage regulator valve rod (1) and the top of footstock (4), be filled with solid lubricant (2) between valve rod dirt proof sleeve (3) and the valve rod (1), naphthalin removing tube (5) is arranged between the signal pipe I (14) and main voltage regulator (8) of pilot valve (12) of pressure regulator command system.
2, a kind of self-operated type pressure regulator top hole pressure stabilising arrangement according to claim 1, it is characterized in that: naphthalin removing tube (5) is made up of by-pass valve (6), air intake control valve (7), leaving air control valve (10), wire gauze (8) and dividing plate with holes (9), naphthalin removing tube (5) is gone up between air intake control valve (7) and the leaving air control valve (10) by-pass valve (6) is set, dividing plate with holes (9) is set in the naphthalin removing tube (5), dividing plate with holes (9) is positioned at the top of naphthalin removing tube (5) straight-run diesel oil (11), and dividing plate with holes (9) is provided with wire gauze (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98235462 CN2343612Y (en) | 1998-03-21 | 1998-03-21 | Outlet pressure stabilizer for self-operated pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98235462 CN2343612Y (en) | 1998-03-21 | 1998-03-21 | Outlet pressure stabilizer for self-operated pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2343612Y true CN2343612Y (en) | 1999-10-13 |
Family
ID=33983741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98235462 Expired - Fee Related CN2343612Y (en) | 1998-03-21 | 1998-03-21 | Outlet pressure stabilizer for self-operated pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2343612Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420625A (en) * | 2017-04-20 | 2017-12-01 | 江苏中安科技服务有限公司 | A kind of pressure regulator valve safety detecting system and construction method |
-
1998
- 1998-03-21 CN CN 98235462 patent/CN2343612Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420625A (en) * | 2017-04-20 | 2017-12-01 | 江苏中安科技服务有限公司 | A kind of pressure regulator valve safety detecting system and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |