CN215115137U - Fatigue life testing device for rupture disk - Google Patents
Fatigue life testing device for rupture disk Download PDFInfo
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- CN215115137U CN215115137U CN202121467649.6U CN202121467649U CN215115137U CN 215115137 U CN215115137 U CN 215115137U CN 202121467649 U CN202121467649 U CN 202121467649U CN 215115137 U CN215115137 U CN 215115137U
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Abstract
The utility model discloses a fatigue life testing arrangement for rupture disk, including air supply pipeline and U type test tube, the air supply pipeline includes high-pressure air source entry and low-pressure air source entry, high-pressure air source entry tube coupling is to the entry end of booster pump, and the first output of booster pump is connected with the air inlet tube coupling of gas holder, the second output of booster pump is connected with the air pump tube coupling, be connected with the gas pitcher manometer on the gas holder, low-pressure air source entry and air source filter tube coupling, air source filter tube coupling have third relief pressure valve and low pressure gauge in proper order, the entry end of U type test tube is connected with the air choke valve through the pipeline, is connected with first exhaust valve on the pipeline between air choke valve and the U type test tube, the air choke valve passes through the pipeline and is connected with high-pressure hose; the utility model discloses an air supply promotes the intraductal liquid removal of U type test for liquid carries out pressure test to the rupture disk of rupture disk clamping module centre gripping.
Description
Technical Field
The utility model relates to a rupture disk test technical field, concretely relates to fatigue life testing arrangement for rupture disk.
Background
The fatigue life of the rupture disk as a safety relief device for protecting the safety of a pressure vessel is a very concerned problem in engineering. Since the fatigue characteristics of the rupture disk are not researched much, and the fatigue life of the rupture disk in service is influenced by more factors, the regulation and prediction of the service life of the rupture disk are quite difficult.
The fatigue life device of current detection rupture disk adopts booster pump pressure boost gas to come to detect rupture disk fatigue life usually, and gaseous output is unstable, is unfavorable for rupture disk fatigue life to detect. In view of the above drawbacks, it is actually necessary to design a fatigue life testing apparatus for rupture discs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fatigue life testing arrangement for rupture disk to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a fatigue life testing device for a rupture disk comprises an air source pipeline and a U-shaped testing pipe, wherein the air source pipeline comprises a high-pressure air source inlet and a low-pressure air source inlet, the high-pressure air source inlet is connected to the inlet end of a booster pump, the first output end of the booster pump is connected with an air inlet pipeline of an air storage tank, the second output end of the booster pump is connected with an air pump pipeline, an air tank pressure gauge is connected onto the air storage tank, the low-pressure air source inlet is connected with an air source filter pipeline, the air source filter is sequentially connected with a third pressure reducing valve and a low-pressure gauge through pipelines, the inlet end of the U-shaped testing pipe is connected with an air throttle valve through a pipeline, a first exhaust valve is connected onto the pipeline between the air throttle valve and the U-shaped testing pipe, the air throttle valve is connected with a high-pressure hose through a pipeline, the outlet end of the U-shaped testing pipe is divided into two paths, the two paths of the test tubes are respectively connected with a second exhaust valve and a discharge tube, and a rupture disk clamping module is connected between the discharge tube and the U-shaped test tube.
Preferably, the pipeline connection has first relief pressure valve and first ooff valve in proper order on the gas vent of gas holder, first ooff valve pipeline connection has intake pressure table and admission valve in proper order, the admission valve pipeline connection has test pressure table and high-pressure hose in proper order, be provided with pressure transmitter and relief valve on the pipeline between admission valve and the test pressure table, be connected with the manometer on the pressure transmitter, relief valve and muffler pipe connection.
Preferably, the high-pressure air source inlet is further connected with a second pressure reducing valve through a pipeline, and the second pressure reducing valve is sequentially connected with a second switch valve and a bypass outlet through pipelines.
Preferably, the outlet of the air pump is divided into two paths, the two paths are respectively connected with the low-pressure gauge and a third switch valve, and the third switch valve is connected with a bypass outlet pipeline.
Preferably, the bottom of U type test tube has the drain valve through the tube coupling, the bottom of U type test tube has the feed valve through the tube coupling, the feed valve passes through the pipeline and is connected with the water pump.
Compared with the prior art, the utility model relates to a fatigue life testing arrangement for rupture disk, when carrying out high pressure detection, open water pump and feed water valve, the liquid in the water storage tank is poured into U type test tube in the water pump work, open first discharge valve and second discharge valve, through liquid with U type test tube inside air exhaust, after U type test tube inside air exhaust, close first discharge valve, second discharge valve and feed water valve, close air pump and second ooff valve, high-pressure gas source gets into the booster pump through the high-pressure gas source entry, carry out the pressure boost to high-pressure gas source through the booster pump, the gas source after the pressure boost gets into the gas holder, after gas holder manometer shows that pressure reaches appointed value, open first relief valve and first ooff valve, the manometer shows the pressure of discharge gas source simultaneously, observe the manometer and guarantee that the air feed pressure meets the requirements, open the admission valve at this moment and get into the high-pressure hose, observing and testing the pressure gauge, wherein a pressure transmitter and a pressure relief valve are arranged on a pipeline between the air inlet valve and the testing pressure gauge, the pressure transmitter is connected with the pressure gauge, the pressure relief valve is connected with a pipeline of the silencer, the pressure transmitter is used for monitoring, the discharge pressure of the pressure relief valve is adjusted according to the pressure value on the pressure gauge, the air throttle valve is opened, an air source in the high-pressure hose enters the U-shaped testing tube, liquid in the U-shaped testing tube is pushed by the air source to move, so that the liquid is used for carrying out pressure testing on the rupture disk clamped by the rupture disk clamping module, and then the booster pump is adjusted, so that the purpose of adjusting the pressure of the air source is achieved; when the utility model is used for low pressure detection, the third switch valve is closed, the low pressure air source is filtered by the air source filter, the filtered low pressure air source sequentially passes through the pressure reducing valve, the pressure gauge and the control valve and enters the booster pump, the low pressure air source is pressurized by the booster pump, the pressurized air source enters the air storage tank, when the first pressure gauge displays that the pressure reaches a specified value, the air pump is closed, the first pressure reducing valve and the first switch valve are opened, the air inlet pressure gauge displays the pressure of the discharged air source, the air inlet pressure gauge is observed to ensure that the air supply pressure meets the requirement, the air inlet valve is opened at the moment, the air source enters the high pressure hose, the pressure gauge is observed and tested, a pressure transmitter and a pressure relief valve are arranged on the pipeline between the air inlet valve and the test pressure gauge, the pressure gauge is connected with the pressure relief valve, the pressure transmitter is used for monitoring, the discharge pressure of the pressure relief valve is adjusted according to the pressure value on the pressure gauge, the air throttle valve is opened, the air source in the high-pressure hose enters the U-shaped test tube, liquid in the U-shaped test tube is pushed to move through the air source, the liquid carries out pressure test on the rupture disk clamped by the rupture disk clamping module, the booster pump is regulated through the liquid, the purpose of regulating the pressure of the air source is achieved, the operation is repeated, multiple times of operation are needed, and fatigue test of the rupture disk is achieved by simulating the use working condition of the rupture disk.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is the utility model relates to a structural schematic diagram of a fatigue life testing arrangement for rupture disk.
In the drawings:
1. a booster pump; 2. a gas storage tank; 3. an air pump; 4. a gas tank pressure gauge; 5. a first pressure reducing valve; 6. a first on-off valve; 7. an air intake pressure gauge; 8. an intake valve; 9. testing the pressure gauge; 10. a high pressure hose; 11. a pressure transmitter; 12. a pressure relief valve; 13. a pressure gauge; 14. a muffler; 15. a second pressure reducing valve; 16. a second on-off valve; 17. a low pressure gauge; 18. a third on-off valve; 19. a gas source filter; 20. a third pressure reducing valve; 21. a U-shaped test tube; 22. an air throttle valve; 23. a first exhaust valve; 24. a second exhaust valve; 25. a discharge pipe; 26. a rupture disk clamping module; 27. a drain valve; 28. a water supply valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a fatigue life testing device for a rupture disk comprises an air source pipeline and a U-shaped testing tube 21, wherein the air source pipeline comprises a high-pressure air source inlet and a low-pressure air source inlet, the high-pressure air source inlet is connected to an inlet end of a booster pump 1, a first output end of the booster pump 1 is connected with an air inlet pipeline of an air storage tank 2, a second output end of the booster pump 1 is connected with an air pump 3 through a pipeline, an air tank pressure gauge 4 is connected onto the air storage tank 2, a first pressure reducing valve 5 and a first switch valve 6 are sequentially connected onto an air outlet of the air storage tank 2 through pipelines, the first switch valve 6 is sequentially connected with an air inlet pressure gauge 7 and an air inlet valve 8 through pipelines, the air inlet valve 8 is sequentially connected with a testing pressure gauge 9 and a high-pressure hose 10 through pipelines, a pressure relief valve 11 and a pressure relief valve 12 are arranged on a pipeline between the air inlet valve 8 and the testing pressure gauge 9, and a pressure gauge 13 is connected onto the pressure transmitter 11, the pressure relief valve 12 is in line with a muffler 14.
The inlet of the high-pressure air source in the embodiment is further connected with a second reducing valve 15 through a pipeline, and the second reducing valve 15 is sequentially connected with a second switch valve 16 and a bypass outlet through pipelines.
In this embodiment, the outlet of the air pump 3 is divided into two paths, the two paths are respectively connected with the low-pressure gauge 17 and the third on-off valve 18, and the third on-off valve 18 is connected with the bypass outlet pipeline.
In this embodiment, the low-pressure air source inlet is connected with an air source filter 19 through a pipeline, and the air source filter 19 is sequentially connected with a third pressure reducing valve 20 and a low-pressure gauge 17 through pipelines.
In this embodiment the entry end of U type test tube 21 has air throttle valve 22 through the tube coupling, is connected with first discharge valve 23 on the pipeline between air throttle valve 22 and the U type test tube 21, air throttle valve 22 passes through the pipeline and is connected with high-pressure hose 10, the exit end of U type test tube 21 divide into two the tunnel, and second discharge valve 24 and delivery pipe 25 are connected respectively to two the tunnel, be connected with rupture disk centre gripping module 26 between delivery pipe 25 and the U type test tube 21.
In this embodiment, the bottom of the U-shaped test tube 21 is connected with a drain valve 27 through a pipeline, the bottom of the U-shaped test tube 21 is connected with a water supply valve 28 through a pipeline, the water supply valve 28 is connected with a water pump through a pipeline, and the water pump is connected with a water storage tank through a pipeline.
The utility model discloses a theory of operation: when high pressure detection is carried out, the water pump and the water supply valve 28 are started, the water pump works to inject liquid in the water storage tank into the U-shaped test tube 21, the first exhaust valve 23 and the second exhaust valve 24 are started, air in the U-shaped test tube 21 is exhausted through the liquid, after the air in the U-shaped test tube 21 is exhausted, the first exhaust valve 23, the second exhaust valve 24 and the water supply valve 28 are closed, the air pump 3 and the second switch valve 16 are closed, a high-pressure air source enters the booster pump 1 through a high-pressure air source inlet, the high-pressure air source is boosted through the booster pump 1, the boosted air source enters the air storage tank 2, when the pressure displayed by the air tank pressure gauge 4 reaches a specified value, the first pressure reducing valve 5 and the first switch valve 6 are started, the air inlet pressure gauge 7 displays the pressure of the exhausted air source, the air supply pressure gauge 7 is observed to ensure that the air supply pressure meets the requirement, the air supply valve 8 is opened at the moment and enters the high-pressure hose 10, observe test manometer 9, be provided with pressure transmitter 11 and relief valve 12 on the pipeline between admission valve 8 and the test manometer 9, be connected with manometer 13 on the pressure transmitter 11, relief valve 12 and 14 tube coupling of muffler, monitor through pressure transmitter 11, the discharge pressure of pressure valve 12 is adjusted according to the pressure value on the manometer 13, open air throttle valve 22, air supply in the high-pressure hose 10 gets into U type test tube 21, promote liquid removal in the U type test tube 21 through the air supply, make liquid carry out the pressure test to the rupture disk of rupture disk clamping module 26 centre gripping, again through adjusting booster pump 2, and then reach the purpose of adjusting the pressure of air supply.
When low pressure detection is carried out, the third switch valve 18 is closed, a low-pressure air source is filtered by the air source filter 19, the filtered low-pressure air source sequentially passes through the pressure reducing valve 20, the pressure gauge 17 and the control valve 3 and enters the booster pump 1, the low-pressure air source is boosted by the booster pump 1, the boosted air source enters the air storage tank 2, when the pressure displayed by the first pressure gauge 4 reaches a specified value, the air pump 3 is closed, the first pressure reducing valve 5 and the first switch valve 6 are opened, the air inlet pressure gauge 7 displays the pressure of the exhausted air source, the air inlet pressure gauge 7 is observed to ensure that the air supply pressure meets the requirement, at the moment, the air inlet valve 8 is opened, the air source enters the high-pressure hose 10, the test pressure gauge 9 is observed, the pressure transmitter 11 and the pressure relief valve 12 are arranged on a pipeline between the air inlet valve 8 and the test pressure gauge 9, the pressure transmitter 11 is connected with the pressure gauge 13, and the pressure relief valve 12 is connected with the silencer 14 through a pipeline, monitor through pressure transmitter 11, discharge pressure according to pressure value regulation relief valve 12 on the manometer 13, open air throttle valve 22, the air supply in the high-pressure hose 10 gets into U type test tube 21, promote liquid removal in the U type test tube 21 through the air supply, make liquid carry out pressure test to the rupture disk of rupture disk clamping module 26 centre gripping, again through adjusting booster pump 1, thereby reach the purpose of adjusting the pressure of air supply, repeat above-mentioned operation, need multiple operation, use operating mode with the simulation rupture disk, realize the fatigue test of rupture disk.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a fatigue life testing arrangement for rupture disk which characterized in that: including air supply pipeline and U type test tube (21), the air supply pipeline includes high-pressure air supply entry and low-pressure air supply entry, high-pressure air supply entry tube coupling is to the entry end of booster pump (1), the first output of booster pump (1) and the air inlet tube coupling of gas holder (2), the second output and air pump (3) tube coupling of booster pump (1), be connected with gas pitcher manometer (4) on gas holder (2), low-pressure air supply entry and air source filter (19) tube coupling, air source filter (19) tube coupling have third relief pressure valve (20) and low-pressure manometer (17) in proper order, the entry end of U type test tube (21) has air throttle valve (22) through the tube coupling, is connected with first exhaust valve (23) on the pipeline between air throttle valve (22) and U type test tube (21), air throttle valve (22) are connected with high-pressure hose (10) through the pipeline, the outlet end of U type test tube (21) divide into two the tunnel, and second discharge valve (24) and delivery pipe (25) are connected respectively to two the tunnel, be connected with rupture disk clamping module (26) between delivery pipe (25) and U type test tube (21).
2. A fatigue life testing device for rupture discs as set forth in claim 1, wherein: pipeline connection has first relief pressure valve (5) and first ooff valve (6) in proper order on the gas vent of gas holder (2), first ooff valve (6) pipeline connection has intake pressure table (7) and admission valve (8) in proper order, admission valve (8) pipeline connection has test manometer (9) and high-pressure hose (10) in proper order, be provided with pressure transmitter (11) and relief valve (12) on the pipeline between admission valve (8) and test manometer (9), be connected with manometer (13) on pressure transmitter (11), relief valve (12) and muffler (14) pipe connection.
3. A fatigue life testing device for rupture discs as set forth in claim 1, wherein: the high-pressure air source inlet is further connected with a second pressure reducing valve (15) through a pipeline, and the second pressure reducing valve (15) is sequentially connected with a second switch valve (16) and a bypass outlet through a pipeline.
4. A fatigue life testing device for rupture discs as set forth in claim 1, wherein: the outlet of the air pump (3) is divided into two paths, the two paths are respectively connected with a low-pressure gauge (17) and a third switch valve (18), and the third switch valve (18) is connected with a bypass outlet pipeline.
5. A fatigue life testing device for rupture discs as set forth in claim 1, wherein: the bottom of U type test tube (21) has drain valve (27) through the tube coupling, the bottom of U type test tube (21) has water supply valve (28) through the tube coupling, water supply valve (28) are connected with the water pump through the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467649.6U CN215115137U (en) | 2021-06-30 | 2021-06-30 | Fatigue life testing device for rupture disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467649.6U CN215115137U (en) | 2021-06-30 | 2021-06-30 | Fatigue life testing device for rupture disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215115137U true CN215115137U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121467649.6U Active CN215115137U (en) | 2021-06-30 | 2021-06-30 | Fatigue life testing device for rupture disk |
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| Country | Link |
|---|---|
| CN (1) | CN215115137U (en) |
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2021
- 2021-06-30 CN CN202121467649.6U patent/CN215115137U/en active Active
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