CN205404060U - Heavy -calibre valve elevated -temperature seal test device - Google Patents
Heavy -calibre valve elevated -temperature seal test device Download PDFInfo
- Publication number
- CN205404060U CN205404060U CN201620153768.7U CN201620153768U CN205404060U CN 205404060 U CN205404060 U CN 205404060U CN 201620153768 U CN201620153768 U CN 201620153768U CN 205404060 U CN205404060 U CN 205404060U
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- China
- Prior art keywords
- valve
- pressure testing
- vacuum tank
- electrical heating
- surge tank
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- Expired - Fee Related
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- Examining Or Testing Airtightness (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a heavy -calibre valve elevated -temperature seal test device, gas holder are connected with air compression station or pneumatics pump through first trip valve, and the surge tank connection of end in through gas -supply pipe and electrical heating room that give vent to anger of gas holder sets up the pressure testing board behind the surge tank, adorn by the test valve between surge tank and the pressure testing board, and surge tank, pressure testing board, by the test valve three constitution cavity that communicates with each other, inside upper and lower, left and right, six preceding, the back faces in electrical heating room all set up electric heater, set up second trip valve, governing valve on the gas -supply pipe, and the second trip valve is located governing valve the place ahead, be equipped with first relief valve, a pressure sensor, a temperature sensor on the gas holder, set up second relief valve, the 2nd pressure sensor, the 2nd temperature sensor on the surge tank, it diffuses the valve to set up on the pressure testing board, the drive arrangement who is opened and close by the test valve by test valve and drive is connected. The utility model discloses it is rational in infrastructure, improve the operational reliability of valve.
Description
Technical field
This utility model relates to a kind of large bore valves elevated-temperature seal assay device.
Background technology
The experiments of sealing performance of usual large bore valves carries out all at normal temperatures, due to the impact of degradation complicated factor by expanding with heat and contract with cold under the condition of high temperature, under material property, the product that often cold test is qualified, is used under actual worst hot case, occurs leakage to exceed standard, the problem such as jam, poor reliability.
Summary of the invention
The purpose of this utility model is in that to provide a kind of rational in infrastructure, improves the large bore valves elevated-temperature seal assay device of the functional reliability of valve.
Technical solution of the present utility model is:
A kind of large bore valves elevated-temperature seal assay device, it is characterized in that: include air accumulator, air accumulator is connected with air compression station or air pressure pump by the first stop valve, the outlet side of air accumulator is connected with the vacuum tank in electrical heating room by appendix, pressure testing plate is set after vacuum tank, fill tested valve between vacuum tank and pressure testing plate, and vacuum tank, pressure testing plate, tested valve three communicate composition cavity；Up, down, left, right, before and after within described electrical heating room is hexahedro is respectively provided with electric heater；Appendix arranges the second stop valve, regulates valve, and the second stop valve is positioned at adjustment valve front；Air accumulator is provided with the first relief valve, the first pressure transducer, the first temperature sensor；Vacuum tank arranges the second relief valve, the second pressure transducer, the second temperature sensor；Pressure testing plate arranges diffusion valve；Tested valve is connected with the driving device driving tested valve to open and close.
Up, down, left, right, before and after within electrical heating room is hexahedro is respectively provided with 3-10 electric heater, and electric heater is uniformly distributed.
This utility model is rational in infrastructure, is effectively improved the functional reliability of valve.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the structural representation of one embodiment of this utility model.
Detailed description of the invention
Embodiment 1:
A kind of large bore valves elevated-temperature seal assay device, including air accumulator 1, air accumulator is connected with air compression station or air pressure pump by the first stop valve 2, the outlet side of air accumulator is connected with the vacuum tank 5 in electrical heating room 4 by appendix 3, pressure testing plate 6 is set after vacuum tank, fill tested valve 7 between vacuum tank and pressure testing plate, and vacuum tank, pressure testing plate, tested valve three communicate composition cavity；Up, down, left, right, before and after within described electrical heating room is hexahedro is respectively provided with electric heater 8；Appendix arranges the second stop valve 9, regulates valve 10, and the second stop valve is positioned at adjustment valve front；Air accumulator is provided with first relief valve the 11, first pressure transducer the 12, first temperature sensor 13；Vacuum tank arranges second relief valve the 14, second pressure transducer the 15, second temperature sensor 16；Pressure testing plate arranges diffusion valve 17；Tested valve is connected with the driving device driving tested valve to open and close.
Using method: before test, first by driving device action, opens tested valve, can all or part of open；Then opening the first stop valve, now the second stop valve is closed；Start the electric heater on internal six faces of up, down, left, right, before and after, electrical heating room, it is inflated to after setting pressure until air accumulator, close the first stop valve, open the second stop valve, compression air entrance vacuum tank, pressure testing plate, tested valve three communicate in composition cavity, and flow velocity is by governor valve control, and temperature, pressure in cavity all rise, after pressure, temperature rise to setting value, stablize a period of time；Close the second stop valve and electrical heating, close tested valve, open diffusion valve, observe the second pressure transducer, without falling pressure for qualified.
If tested valve is the form with two way seal function, then, after the test of another side, rotates 180 ° around valve shaft centrage, repeat test process.
Up, down, left, right, before and after within electrical heating room is hexahedro is respectively provided with 3-10 electric heater, and electric heater is uniformly distributed.
Claims (2)
1. a large bore valves elevated-temperature seal assay device, it is characterized in that: include air accumulator, air accumulator is connected with air compression station or air pressure pump by the first stop valve, the outlet side of air accumulator is connected with the vacuum tank in electrical heating room by appendix, pressure testing plate is set after vacuum tank, fill tested valve between vacuum tank and pressure testing plate, and vacuum tank, pressure testing plate, tested valve three communicate composition cavity；Up, down, left, right, before and after within described electrical heating room is hexahedro is respectively provided with electric heater；Appendix arranges the second stop valve, regulates valve, and the second stop valve is positioned at adjustment valve front；Air accumulator is provided with the first relief valve, the first pressure transducer, the first temperature sensor；Vacuum tank arranges the second relief valve, the second pressure transducer, the second temperature sensor；Pressure testing plate arranges diffusion valve；Tested valve is connected with the driving device driving tested valve to open and close.
2. large bore valves elevated-temperature seal assay device according to claim 1, is characterized in that: up, down, left, right, before and after within electrical heating room is hexahedro is respectively provided with 3-10 electric heater, and electric heater is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153768.7U CN205404060U (en) | 2016-03-01 | 2016-03-01 | Heavy -calibre valve elevated -temperature seal test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153768.7U CN205404060U (en) | 2016-03-01 | 2016-03-01 | Heavy -calibre valve elevated -temperature seal test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205404060U true CN205404060U (en) | 2016-07-27 |
Family
ID=56948110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153768.7U Expired - Fee Related CN205404060U (en) | 2016-03-01 | 2016-03-01 | Heavy -calibre valve elevated -temperature seal test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205404060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758596A (en) * | 2016-03-01 | 2016-07-13 | 江苏神通阀门股份有限公司 | Large diameter valve high temperature sealing test device |
| CN106525283A (en) * | 2016-12-09 | 2017-03-22 | 中国船舶重工集团公司第七研究所 | Test device for switch valve |
-
2016
- 2016-03-01 CN CN201620153768.7U patent/CN205404060U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758596A (en) * | 2016-03-01 | 2016-07-13 | 江苏神通阀门股份有限公司 | Large diameter valve high temperature sealing test device |
| CN106525283A (en) * | 2016-12-09 | 2017-03-22 | 中国船舶重工集团公司第七研究所 | Test device for switch valve |
| CN106525283B (en) * | 2016-12-09 | 2023-12-22 | 中国船舶集团有限公司第七一一研究所 | Test device of switch valve |
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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 |
Granted publication date: 20160727 Termination date: 20190301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |