CN220170457U - Gasket high-low temperature sealing performance test device - Google Patents
Gasket high-low temperature sealing performance test device Download PDFInfo
- Publication number
- CN220170457U CN220170457U CN202321491217.8U CN202321491217U CN220170457U CN 220170457 U CN220170457 U CN 220170457U CN 202321491217 U CN202321491217 U CN 202321491217U CN 220170457 U CN220170457 U CN 220170457U
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- CN
- China
- Prior art keywords
- neck flange
- flange
- sealing
- gasket
- upper neck
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- 238000007789 sealing Methods 0.000 title claims abstract description 76
- 238000011056 performance test Methods 0.000 title claims abstract description 22
- 229910052734 helium Inorganic materials 0.000 claims abstract description 43
- 239000001307 helium Substances 0.000 claims abstract description 43
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 238000012827 research and development Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model relates to a gasket high-low temperature sealing performance test device, and belongs to the technical field of sealing performance test devices; the device comprises an upper neck flange, a sealing flange, a lower neck flange, a helium bottle, a thermocouple and a helium mass spectrometer; the upper neck flange and the lower neck flange are in sealing connection through a fastener to form a sealing space; the upper neck flange is in sealing connection with the sealing flange through a fastener; a test sample gasket is arranged between the upper neck flange and the sealing flange; helium in the helium bottle is injected into the upper neck flange through a pipeline to form a high-pressure space; the thermocouple is connected into the high-pressure space and monitors the test sample pad; the helium mass spectrometer is connected with a sealing space formed by the upper neck flange and the lower neck flange; the upper neck flange and the lower neck flange are also connected with a temperature control device; the utility model has simple structure and is easy to change design according to the size of the gasket; the whole device is connected with the temperature control device, so that the gasket sealing performance test under the high and low temperature state can be realized.
Description
Technical Field
The utility model relates to a gasket high-low temperature sealing performance test device, and belongs to the technical field of sealing performance test devices.
Background
The bolt flange connection is the most widely used connection form in petrochemical equipment and pipelines, the gasket is an important sealing element, and the sealing property of the gasket directly influences the tightness of the flange connection; in the petrochemical application field, the practical use temperature of the gasket ranges from minus 196 ℃ to 400 ℃, so that the research and development of a testing device suitable for testing the high and low temperature leakage rate of the gasket has important significance for the research and development of the gasket performance and the selection of the gasket model; the gasket sealing test machine is designed by some existing manufacturers, and is used for detecting leakage by acting on the surfaces of gaskets through two hydraulic pressure plates and then using a sealing leakage collecting sleeve, and the detection method is large in investment and is integrated with a hydraulic press and is mainly used for testing the gasket sealing performance in a room temperature state; based on the above, it is necessary to design a gasket high-low temperature sealing performance test device.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a gasket high-low temperature sealing performance test device which is simple in structure and can be combined with a heating device and a cooling device to realize the sealing performance test of the gasket in a high-low temperature environment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a gasket high-low temperature sealing performance test device comprises an upper neck flange, a sealing flange, a lower neck flange, a helium cylinder, a thermocouple and a helium mass spectrometer;
the upper neck flange and the lower neck flange are in sealing connection through a fastener to form a sealing space;
the upper neck flange is in sealing connection with the sealing flange through a fastener;
a test sample gasket is arranged between the upper neck flange and the sealing flange;
helium in the helium bottle is injected into the upper neck flange through a pipeline, so that a high-pressure space is formed in the upper neck flange;
the thermocouple is connected into the high-pressure space and monitors the test sample pad;
the helium mass spectrometer is connected with a sealing space formed by the upper neck flange and the lower neck flange;
the upper neck flange and the lower neck flange are also connected with a temperature control device.
In a preferred scheme, an auxiliary gasket is further arranged between the upper neck flange and the lower neck flange.
Preferably, a pressure regulating valve is provided on a pipe communicating with the helium bottle.
Preferably, the temperature control device is a heating device or a cooling device.
Preferably, the upper neck flange, the sealing flange, the lower neck flange and the fastener are all made of metal.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the high-low temperature sealing performance test device for the gasket, the upper neck flange, the sealing flange, the lower neck flange, the helium bottle, the thermocouple and the helium mass spectrometer are connected and designed, the test sample gasket is installed between the upper neck flange and the sealing flange through the sealing pressure exerted by the fastening piece, the upper neck flange and the lower neck flange form a sealing space through the fastening piece and the auxiliary gasket, helium is injected into the upper neck flange through the pressure regulating valve to form a high-pressure space, the thermocouple is directly connected with the high-pressure space to monitor the working condition temperature of the test sample gasket, and the real-time leakage rate of the gasket is directly detected through the helium mass spectrometer through vacuumizing; the whole device has simple structure, and the design is easy to change according to the size of the gasket; the whole device is connected with the temperature control device, so that the gasket sealing performance test under the high and low temperature state can be realized.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a gasket high-low temperature sealing performance test device of the utility model;
wherein: 1. an upper neck flange; 2. a sealing flange; 3. a lower neck flange; 4. a helium cylinder; 5. a thermocouple; 6. a helium mass spectrometer; 7. a fastener; 8. testing a sample pad; 9. a temperature control device; 10. an auxiliary gasket; 11. and a pressure regulating valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
FIG. 1 shows a gasket high-low temperature sealing performance test device, which comprises an upper neck flange 1, a sealing flange 2, a lower neck flange 3, a helium bottle 4, a thermocouple 5 and a helium mass spectrometer 6;
the upper neck flange 1 and the lower neck flange 3 are in sealing connection through a fastener 7 to form a sealing space; an auxiliary gasket 10 is further arranged between the upper neck flange 1 and the lower neck flange 3, so that sealing is better performed;
the upper neck flange 1 is in sealing connection with the sealing flange 2 through a fastener 7;
a test sample gasket 8 is arranged between the upper neck flange 1 and the sealing flange 2;
helium in the helium bottle 4 is injected into the upper neck flange 1 through a pipeline, so that a high-pressure space is formed in the upper neck flange 1; a pressure regulating valve 11 is arranged on a pipeline communicated with the helium bottle 4 and is used for regulating the output speed of helium;
the thermocouple 5 is connected into the high-pressure space and monitors the test sample pad 8;
the helium mass spectrometer 6 is connected with a sealing space formed by the upper neck flange 1 and the lower neck flange 3; if helium leaks from the test sample gasket 8, the helium leaks from the space between the upper neck flange 1 and the sealing flange 2 to the space between the upper neck flange 1 and the lower neck flange 3, the helium mass spectrometer 6 is directly connected with the space between the upper neck flange 1 and the lower neck flange 3, and the real-time leakage rate of the gasket can be detected by directly vacuumizing the helium mass spectrometer 6;
the upper neck flange 1 and the lower neck flange 3 are also connected with a temperature control device 9, and the temperature control device 9 is a heating device or a cooling device;
the upper neck flange 1, the sealing flange 2, the lower neck flange 3 and the fastening piece 7 are all metal products, and the metal products can be better connected and conducted with a heating device or a cooling device, so that the sealing performance of the gasket in a high-low temperature state is detected.
And according to the requirements, the sealing performance is detected in a high temperature state or a low temperature state, the heating device is connected in the high temperature state, the cooling device or the low temperature groove is connected in the low temperature state, after the connection is completed, the test sample gasket 8 is installed between the upper neck flange 1 and the sealing flange 2 by applying sealing pressure through the fastener 7, the upper neck flange 1 and the lower neck flange 3 form a sealing space through the fastener 7 and the auxiliary gasket 10, helium is injected into the upper neck flange 1 through the pressure regulating valve 11 to just form a high-pressure space, the thermocouple 5 is directly connected with the high-pressure space to monitor the working condition temperature of the test sample gasket 8, if the helium leaks from the test sample gasket 8, the helium leaks from the space between the upper neck flange 1 and the sealing flange 2 to the space between the upper neck flange 1 and the lower neck flange 3, the helium mass spectrometer 6 is directly connected with the space between the upper neck flange 1 and the lower neck flange 3, and the real-time leakage rate of the test sample gasket 8 can be detected by directly vacuumizing the helium mass spectrometer 6, and the sealing performance data of the test sample gasket can be obtained.
According to the gasket high-low temperature sealing performance test device, by adopting the connection and design of an upper neck flange 1, a sealing flange 2, a lower neck flange 3, a helium bottle 4, a thermocouple 5 and a helium mass spectrometer 6, a test sample gasket 8 is installed between the upper neck flange 1 and the sealing flange 2 by applying sealing pressure through a fastener 7, the upper neck flange 1 and the lower neck flange 3 form a sealing space through the fastener 7 and an auxiliary gasket 10, helium is injected into the upper neck flange 1 through a pressure regulating valve 11 to form a high-pressure space, the thermocouple 5 is directly connected with the high-pressure space to monitor the working condition temperature of the test sample gasket 8, and the real-time leakage rate of the gasket is directly detected by vacuumizing through the helium mass spectrometer 6; the whole device has simple structure, and the design is easy to change according to the size of the gasket; the whole device is connected with the temperature control device 9, so that the gasket sealing performance test under the high and low temperature state can be realized.
The above is only a specific application example of the present utility model, and the protection scope of the present utility model is not limited at all, and the technical solution formed by adopting equivalent transformation or equivalent substitution falls within the protection scope of the present utility model.
Claims (5)
1. A gasket high-low temperature sealing performance test device is characterized in that: the device comprises an upper neck flange, a sealing flange, a lower neck flange, a helium bottle, a thermocouple and a helium mass spectrometer;
the upper neck flange and the lower neck flange are in sealing connection through a fastener to form a sealing space;
the upper neck flange is in sealing connection with the sealing flange through a fastener;
a test sample gasket is arranged between the upper neck flange and the sealing flange;
helium in the helium bottle is injected into the upper neck flange through a pipeline, so that a high-pressure space is formed in the upper neck flange;
the thermocouple is connected into the high-pressure space and monitors the test sample pad;
the helium mass spectrometer is connected with a sealing space formed by the upper neck flange and the lower neck flange;
the upper neck flange and the lower neck flange are also connected with a temperature control device.
2. The gasket high-low temperature sealing performance test device according to claim 1, wherein: an auxiliary gasket is further arranged between the upper neck flange and the lower neck flange.
3. The gasket high-low temperature sealing performance test device according to claim 1, wherein: and a pressure regulating valve is arranged on a pipeline communicated with the helium bottle.
4. The gasket high-low temperature sealing performance test device according to claim 1, wherein: the temperature control device is a heating device or a cooling device.
5. The gasket high-low temperature sealing performance test device according to claim 1, wherein: the upper neck flange, the sealing flange, the lower neck flange and the fastening piece are all metal products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321491217.8U CN220170457U (en) | 2023-06-12 | 2023-06-12 | Gasket high-low temperature sealing performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321491217.8U CN220170457U (en) | 2023-06-12 | 2023-06-12 | Gasket high-low temperature sealing performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170457U true CN220170457U (en) | 2023-12-12 |
Family
ID=89059569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321491217.8U Active CN220170457U (en) | 2023-06-12 | 2023-06-12 | Gasket high-low temperature sealing performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170457U (en) |
-
2023
- 2023-06-12 CN CN202321491217.8U patent/CN220170457U/en active Active
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