CN221006768U - Relief performance test system for safety valve - Google Patents
Relief performance test system for safety valve Download PDFInfo
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- CN221006768U CN221006768U CN202322556260.4U CN202322556260U CN221006768U CN 221006768 U CN221006768 U CN 221006768U CN 202322556260 U CN202322556260 U CN 202322556260U CN 221006768 U CN221006768 U CN 221006768U
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- 238000011056 performance test Methods 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 21
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 20
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of safety valve testing, and discloses a safety valve pressure release performance testing system, which comprises a gas storage piece, a pressure regulating valve and a pressure detecting piece, wherein the gas storage piece is communicated with a safety valve to be tested through a first pipeline; the pressure release performance test system of the safety valve provided by the utility model can adjust the pressure rise rate in real time through the pressure regulating valve so as to simulate the pressure change of a real pressure container, so that the parameters close to the pressure release performance of the safety valve in the real environment are obtained, the test data is accurate, and the test efficiency is high.
Description
Technical Field
The utility model relates to the technical field of safety valve testing, in particular to a safety valve pressure release performance testing system.
Background
The safety valve is a special valve which is in a normally closed state under the action of external force and is used for preventing the medium pressure in the pipeline or the equipment from exceeding a specified value by discharging the medium to the outside of the system when the medium pressure in the equipment or the pipeline is increased to exceed the specified value, belongs to the automatic valve class, and is mainly used on boilers, pressure vessels and pipelines, and when the system pressure exceeds the specified value, the safety valve is opened to discharge a part of gas/fluid in the system to the outside of the atmosphere/pipeline, so that the system pressure does not exceed an allowable value, thereby ensuring that the system does not have an important protection effect on personal safety and equipment operation due to accidents caused by overhigh pressure.
When the pressure test is carried out on the safety valve, as each pressure supply end only can provide fixed pressure, the safety valve is required to be installed on a plurality of pressure supply ends according to different take-off pressures of the same safety valve, and in the process, the safety valve is required to be installed and disassembled for a plurality of times, so that the workload is high and the test efficiency is low.
Accordingly, there is a need for an apparatus that solves the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a relief performance test system for a safety valve, which can adjust the pressure rising rate in real time through a pressure regulating valve so as to simulate the pressure change of a real pressure container, so that parameters close to the relief performance of the safety valve in a real environment are obtained, test data are accurate, and test efficiency is high.
To achieve the purpose, the utility model adopts the following technical scheme:
The pressure relief performance test system of the safety valve comprises a gas storage piece, wherein the gas storage piece is communicated with a safety valve to be tested through a first pipeline, the system further comprises a pressure regulating valve and a pressure detection piece, the pressure regulating valve is connected in series with the first pipeline, the pressure detection piece is connected in series with the first pipeline and is used for detecting the air pressure of the first pipeline, the pressure regulating valve is positioned at the upstream of the pressure detection piece, and the pressure regulating valve is configured to be capable of regulating the pressure rising rate of the air pressure of the first pipeline (21) in real time.
Preferably, the device further comprises a first switch valve, wherein the first switch valve is arranged on the first pipeline and is positioned at the downstream of the pressure detection piece, and the first switch valve is used for controlling the on-off of the first pipeline.
Preferably, the device further comprises a flow detection member, wherein the flow detection member is arranged in the first pipeline and is positioned between the pressure detection member and the first switch valve, and the flow detection member is used for monitoring the flow of the air flow in the first pipeline.
Preferably, the air compressor is further comprised, one end of the air compressor is communicated with the outside, the other end of the air compressor is communicated with the air storage piece through a second pipeline, and the air compressor is configured to provide high-pressure air for the air storage piece.
Preferably, the second pipeline is provided with a second switch valve, and the second switch valve is used for controlling on-off of the second pipeline.
Preferably, the pressure detecting member is a pressure gauge.
Preferably, the first switching valve is a solenoid valve.
Preferably, the flow rate detecting member is a flow meter.
Preferably, the air storage device further comprises a third pipeline, wherein the third pipeline is communicated with the air storage piece and the first pipeline, and the pressure regulating valve is arranged at the communication position of the third pipeline and the first pipeline.
Preferably, the gas storage device further comprises a mounting seat, wherein the mounting seat is arranged at the end part of the first pipeline, which is away from the gas storage piece, and the safety valve to be detected is arranged at the mounting seat.
The beneficial effects are that: the utility model provides a safety valve pressure release performance test system, which comprises a gas storage piece, a pressure regulating valve and a pressure detection piece, wherein the gas storage piece is communicated with a safety valve to be tested through a first pipeline; the pressure release performance test system of the safety valve provided by the utility model can adjust the pressure rise rate in real time through the pressure regulating valve so as to simulate the pressure change of a real pressure container, so that the parameters close to the pressure release performance of the safety valve in the real environment are obtained, the test data is accurate, and the test efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a relief valve pressure release performance test system according to an embodiment of the present utility model;
Fig. 2 is a flowchart of a method for testing pressure release performance of a relief valve according to an embodiment of the present utility model.
In the figure: 11. a gas storage member; 12. a mounting base; 13. an air compressor; 14. a pressure detecting member; 15. a flow rate detecting member; 21. a first pipe; 22. a second pipe; 23. a third conduit; 31. a first switching valve; 32. a second switching valve; 33. and a pressure regulating valve.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The utility model provides a relief valve pressure release performance test system, which can adjust the pressure rise rate in real time through a pressure regulating valve 33 so as to simulate the pressure change of a real pressure container, so as to obtain parameters close to the relief valve pressure release performance in a real environment, and has accurate test data and high test efficiency.
Specifically, as shown in fig. 1, the relief performance testing system for a relief valve provided in this embodiment includes a gas storage member 11 for storing gas, where the gas storage member 11 is communicated with a relief valve to be tested through a first pipeline 21, and illustratively, the gas storage member 11 is a gas storage tank and can bear higher pressure, specifically, the take-off pressure of the relief valve to be tested used in this embodiment is adjustable, that is, the take-off pressure of the relief valve to be tested can be set according to actual needs, the relief valve to be tested has a plugging end and a relief end, the gas storage member 11 is communicated with the plugging end of the relief valve to be tested through the first pipeline 21, and when the pressure born by the plugging end exceeds the preset take-off pressure, the relief end is opened to relieve pressure so as to prevent a safety accident.
Optionally, the relief performance testing system for a relief valve provided in this embodiment is further provided with a mounting seat 12 for mounting a relief valve to be tested, so as to reduce the disassembly difficulty of the relief valve to be tested, specifically, the mounting seat 12 is disposed at the end of the first pipe 21 facing away from the air storage member 11, and the relief valve to be tested is disposed in the mounting seat 12.
Preferably, the relief valve pressure release performance test system provided in this embodiment further includes an air compressor 13, specifically, one end of the air compressor 13 is connected to the outside, the other end is connected to the air storage member 11 through the second pipe 22, and the outside air enters the air compressor 13 and is pressurized to be sent to the air storage member 11, so that the air storage member 11 stores the high-pressure gas.
Preferably, a third pipeline 23 is further arranged between the gas storage piece 11 and the first pipeline 21, the gas storage piece 11 is communicated with the first pipeline 21 through the third pipeline 23, further, a pressure regulating valve 33 is further arranged at the communication position of the third pipeline 23 and the first pipeline 21, the gas pressure in the first pipeline 21 can be regulated by regulating the opening and closing degree of the pressure regulating valve 33, and accordingly, the pressure value of the first pipeline 21 can be obtained clearly and intuitively, the first pipeline 21 is connected with a pressure detecting piece 14 in series, the pressure value of the first pipeline 21 can be monitored in real time, so that the pressure value of the first pipeline 21 can be regulated to the take-off pressure value of a safety valve to be measured, and preferably, the pressure detecting piece 14 is a pressure gauge. Specifically, the pressure regulating valve 33 in this embodiment is an electrically controlled pressure regulating valve capable of regulating the pressure varying rate, that is, capable of regulating the pressure increasing rate of the first pipe 21 in real time according to the feedback of the pressure detecting member 14, so as to simulate the pressure variation of the real pressure container, obtain a parameter close to the pressure releasing performance of the safety valve in the real environment, and improve the accuracy of the test data.
It can be appreciated that by arranging the pressure regulating valve 33, the safety performance of the same safety valve to be tested in different tripping pressure states can be detected, multiple disassembly and assembly are not needed, the workload is reduced, and the detection efficiency is improved.
The pressure release performance test system for a safety valve provided in this embodiment further includes a first switch valve 31, specifically, the first switch valve 31 is disposed in the first pipeline 21 and is located at the downstream of the pressure detecting member 14, the pressure in the first pipeline 21 is regulated by the pressure regulating valve 33, in this process, the first switch valve 31 is in a closed state, whether the pressure in the first pipeline 21 reaches the trip pressure of the safety valve to be tested is judged according to the data of the pressure detecting member 14, when the pressure in the first pipeline 21 reaches the trip pressure, the first switch valve 31 is opened, and at this time, the instantaneous pressure born by the closed end of the safety valve to be tested is the trip pressure.
Preferably, the first switch valve 31 is a solenoid valve, and the opening and closing of the solenoid valve is controlled by on-off control.
Further, the first pipe 21 is further provided with a flow detecting member 15, preferably, the flow detecting member 15 is disposed downstream of the pressure detecting member 14 and upstream of the first switch valve 31, the flow detecting member 15 is configured to monitor an instantaneous gas amount passing through an effective section of the first pipe 21 in a unit time, when the first switch valve 31 is opened, if the instantaneous pressure born by a closed end of the safety valve to be detected is equal to the trip pressure, the safety performance of the safety valve to be detected can be judged to be qualified through the flow detecting member 15, that is, if the flow detecting member 15 detects that an instantaneous gas flow passes, a pressure releasing end of the safety valve to be detected is opened, and if the safety performance of the safety valve to be detected is qualified; if the flow detection member 15 does not detect that the instantaneous air flow passes through at this time, it can be judged that the pressure release end of the safety valve to be detected is not opened, the safety performance of the safety valve to be detected is unqualified, the operation is convenient, and the result is reliable.
Preferably, the second pipe 22 is provided with a second switching valve 32 for controlling the on-off of the second pipe 22. The second on-off valve 32 in this embodiment is a faucet type valve, and in other possible embodiments, a solenoid valve may be used.
The embodiment also provides a method for testing the pressure release performance of the safety valve, which is applied to the system for testing the pressure release performance of the safety valve, and specifically as shown in fig. 2, the method comprises the following steps:
s1, adjusting the take-off pressure of a safety valve to be tested and then installing the safety valve to be tested in an installation seat 12;
S2, closing the first switch valve 31, opening the second switch valve 32, and introducing high-pressure gas into the gas storage piece 11;
S3, controlling the air pressure of the first pipeline 21 to reach the take-off pressure through the pressure regulating valve 33;
S4, opening the first switch valve 31, and judging whether the safety valve to be tested is qualified or not through the flow detection piece 15 and/or the pressure detection piece 14.
Specifically, the take-off pressure of the safety valve to be tested is set according to actual needs, and the safety valve to be tested is directly installed on the installation seat 12, further, the first switch valve 31 is closed, the second switch valve 32 is opened to provide enough high-pressure air for the air storage piece 11, the pressure regulating valve 33 is opened and regulated, so that the air pressure of the first pipeline 21 reaches the preset take-off pressure of the safety valve to be tested, in the process, the opening and closing degree of the pressure regulating valve 33 is regulated according to the feedback of the pressure detecting piece 14 to regulate the pressure rising rate of the first pipeline 21 in real time, at the moment, the first switch valve 31 is opened, the instantaneous pressure born by the plugging end of the safety valve to be tested is the take-off pressure thereof, whether the safety performance of the safety valve to be tested is qualified or not can be judged through the flow detecting piece 15 and/or the pressure detecting piece 14, namely, if the flow detecting piece 15 detects that the instantaneous air flow passes, or the pressure detecting piece 14 displays numerical variation, the opening of the end of the safety valve to be tested can be judged, and the safety performance of the safety valve to be tested is qualified can be judged; if the flow detecting member 15 does not detect that the instantaneous air flow passes through, or the pressure detecting member 14 does not display a numerical value change, it can be determined that the pressure release end of the safety valve to be detected is not opened, and the safety performance of the safety valve to be detected is not qualified.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Relief valve pressure release performance test system, its characterized in that includes gas storage piece (11), gas storage piece (11) are through first pipeline (21) intercommunication relief valve that awaits measuring, still include air-vent valve (33) and pressure detection piece (14), air-vent valve (33) establish ties into first pipeline (21), pressure detection piece (14) establish ties into first pipeline (21) and are used for detecting the atmospheric pressure of first pipeline (21), air-vent valve (33) are located the upper reaches of pressure detection piece (14), the air-vent valve is configured to the rate of stepping up of the atmospheric pressure of first pipeline (21) can be adjusted in real time.
2. The relief valve pressure release performance test system according to claim 1, further comprising a first switching valve (31), wherein the first switching valve (31) is disposed in the first pipe (21) and is located downstream of the pressure detecting member (14), and the first switching valve (31) is configured to control on-off of the first pipe (21).
3. The safety valve pressure release performance test system according to claim 2, further comprising a flow detection member (15), wherein the flow detection member (15) is disposed in the first pipe (21) and is located between the pressure detection member (14) and the first switching valve (31), and the flow detection member (15) is configured to perform flow monitoring on the air flow in the first pipe (21).
4. The safety valve pressure release performance test system according to claim 1, further comprising an air compressor (13), one end of the air compressor (13) being communicated with the outside, the other end being communicated with the air storage member (11) through a second pipe (22), the air compressor (13) being configured to supply high-pressure air to the air storage member (11).
5. The safety valve pressure release performance test system according to claim 4, wherein the second pipeline (22) is provided with a second switch valve (32), and the second switch valve (32) is used for controlling on-off of the second pipeline (22).
6. The relief valve pressure release performance test system according to claim 1, characterized in that the pressure detecting member (14) is a pressure gauge.
7. The relief valve pressure release performance test system according to claim 2, characterized in that the first switching valve (31) is a solenoid valve.
8. A relief valve pressure release performance test system according to claim 3, characterized in that the flow detection member (15) is a flow meter.
9. The relief valve pressure release performance test system according to any one of claims 2-8, further comprising a third pipe (23), wherein the third pipe (23) communicates with the gas storage member (11) and the first pipe (21), and the pressure regulating valve (33) is disposed at a communication position between the third pipe (23) and the first pipe (21).
10. The relief valve pressure release performance test system according to any one of claims 2-8, further comprising a mounting seat (12), wherein the mounting seat (12) is disposed at an end portion of the first pipe (21) facing away from the gas storage member (11), and the relief valve to be tested is disposed at the mounting seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556260.4U CN221006768U (en) | 2023-09-20 | 2023-09-20 | Relief performance test system for safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322556260.4U CN221006768U (en) | 2023-09-20 | 2023-09-20 | Relief performance test system for safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006768U true CN221006768U (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322556260.4U Active CN221006768U (en) | 2023-09-20 | 2023-09-20 | Relief performance test system for safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006768U (en) |
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2023
- 2023-09-20 CN CN202322556260.4U patent/CN221006768U/en active Active
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