CN217637873U - Blast gate pressurization sealing device - Google Patents
Blast gate pressurization sealing device Download PDFInfo
- Publication number
- CN217637873U CN217637873U CN202221441813.0U CN202221441813U CN217637873U CN 217637873 U CN217637873 U CN 217637873U CN 202221441813 U CN202221441813 U CN 202221441813U CN 217637873 U CN217637873 U CN 217637873U
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- China
- Prior art keywords
- sealing cover
- pressurizing
- port
- pressure relief
- blast gate
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- 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
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Abstract
The utility model discloses an air valve pressurizing and sealing device, which is characterized by comprising a sealing cover, wherein the periphery of the sealing cover is provided with a connecting flange, a plurality of through holes are uniformly distributed on the connecting flange, connecting bolts pass through the through holes to be correspondingly connected with ports of air valves, and a sealing gasket is arranged between the contact surfaces of the connecting flange and the ports of the air valves; a pressurizing port, a pressure relief port and a high-precision pressure gauge are arranged on the sealing cover; the pressurizing port is connected with an air source through a pipeline series pressurizing valve; the pressure relief port is connected with the pressure relief port through a pipeline series pressure relief valve; the high-precision pressure gauge is connected into the sealing cover through a gas pipeline. The connecting part fixes the whole device at the outer end of the air valve and ensures the tightness of the connecting part. This device can hold the normal switch of case, realizes carrying out quick pressurizing, pressure release, pressurize and pressure monitoring's function to the blast gate under the operating condition, and the leakproofness is good, and the dismouting of being convenient for has promoted blast gate leakproofness testing's rapidity greatly.
Description
Technical Field
The utility model relates to an air valve pressurizing and sealing device is applicable to the pressurizing and pressure maintaining occasions of various air valves, and provides powerful support for the leakproofness testing of air valve. Belonging to the field of tightness detection.
Background
In industrial production, certain special reaction devices or plants need to keep tightness, and the air valve is used as the boundary of a ventilation system and is also used as the boundary of the plant connected with an external environment, so that the guarantee of good tightness is of great significance for preventing direct contact between the inside of the plant and the external environment and personnel safety. For example, in a nuclear power plant, the air valve mounted on the containment vessel needs to be periodically subjected to tightness detection to ensure the tightness of the air valve, and during the tightness detection of the air valve, a pressurizing sealing device needs to be additionally mounted outside the air valve to pressurize the air valve, so that the pressure required by the tightness detection test is achieved.
At present, a blind plate is designed and processed temporarily in the industry to plug and pressurize the air valve, the size, specification and the like of the blind plate are not uniformly specified, the functions of the manufactured device are uneven, and the performance of the device cannot be guaranteed.
Disclosure of Invention
In order to solve the above prior art problem, the utility model provides an air valve pressurizes sealing device.
In order to achieve the above object, the utility model provides a following technical scheme: a blast gate pressurization sealing device is characterized by comprising a sealing cover, wherein a connecting flange is arranged on the periphery of the sealing cover, a plurality of through holes are uniformly distributed on the connecting flange, and the connecting flange penetrates through a connecting bolt to be in corresponding sealing connection with a port of a blast gate; a pressurizing opening, a pressure relief opening and a high-precision pressure gauge are arranged on the sealing cover; the pressure charging port and the pressure relief port are connected with pipelines and are respectively connected with an air source and the pressure relief port through a pressure charging valve and a pressure relief valve.
And a sealing gasket is arranged between the connecting flange and the port of the air valve.
The high-precision pressure gauge is connected into the sealing cover through a gas pipeline.
The main body of the sealing cover is an elliptical standard end socket with the thickness of 3-5 mm, and the periphery of the sealing cover is welded with the connecting flange.
Heightening cylinders with different heights are welded between the sealing cover and the connecting flange.
The utility model has the advantages that: this device can hold the normal switch of case, realizes carrying out quick pressurizing, pressure release, pressurize and pressure monitoring's function to the blast gate under the operating condition, and the leakproofness is good, and the dismouting of being convenient for has promoted the fast nature of blast gate leakproofness testing greatly. The air valve pressurizing device has the advantages of simplicity and convenience in operation, quickness in disassembly and assembly and reliability in performance in the air valve pressurizing process. The device is suitable for pressurizing and pressure maintaining occasions of various air valves, and provides powerful support for the air valve tightness detection test.
Drawings
FIG. 1 is a schematic diagram of the overall construction of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall structure of another embodiment of the present invention
Fig. 3 is an axial cross-sectional view of the seal housing of the present invention.
The notation in the figure is: 1. the high-precision pressure gauge comprises a gas source, 2 parts of a gas source valve, 3 parts of a sealing cover, 4 parts of a connecting flange, 5 parts of a connecting bolt, 6 parts of a pressure relief valve, 7 parts of a pressure relief opening, 8 parts of a high-precision pressure gauge, 9 parts of a gas pipeline, 10 parts of a sealing gasket, 11 parts of an air valve and 12 parts of a heightening cylinder.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 3, an embodiment of a pressurized sealing device for an air valve of the present invention is characterized in that the pressurized sealing device comprises a sealing cover 3, a connecting flange 4 is disposed around the sealing cover 3, a plurality of through holes are uniformly distributed on the connecting flange 4, a connecting bolt 5 passes through the through hole and is correspondingly connected with a port of an air valve 11, and a sealing gasket 10 is disposed between a contact surface of the connecting flange 4 and the port of the air valve 11; a pressurizing opening, a pressure relief opening and a high-precision pressure gauge 8 are arranged on the sealing cover 3; the pressurizing port is connected with an air source 1 through a pipeline series pressurizing valve 2; the pressure relief port is connected with a pressure relief valve 6 in series through a pipeline and is connected with a pressure relief port 7; and the high-precision pressure gauge 8 is connected into the sealing cover 3 through a gas pipeline 9.
The main body of the sealing cover 3 is an elliptical standard end socket (JB/T1154-73) with the thickness of 3-5 mm, and the periphery of the sealing cover 3 is welded with the connecting flange 4. The periphery of the sealing cover 3 and the connecting flange 4 are generally circular in shape corresponding to the shape of the port of the damper 11.
Referring to fig. 2, in another embodiment of the present invention, on the basis of the previous embodiment, the height-increasing cylinders 12 with different heights are welded between the sealing cover 3 and the connecting flange 4 to increase the space inside the sealing cover 3, so as to meet the requirement of normal opening and closing of the valve cores for accommodating different air valves 11.
The utility model discloses a theory of operation does: the air source 1 can supply compressed air with sufficient pressure into the sealing cover 3 of the device; the pressure relief port 7 can perform rapid pressure relief on the device.
The sealing cover 3, the connecting flange 4 and the sealing gasket 10 are connected with the air valve 11 to form a closed space, and the (valve core of the) air valve 11 can normally work in the closed space. The sealing cover 3 with the functions of quick pressurization and pressure relief is adopted to realize pressurization, pressure relief and pressure maintaining operations of the air valve 11, meanwhile, normal work of a valve core of the air valve is not interfered, and the internal gas pressure of the sealing cover can be detected in real time.
Claims (5)
1. The blast gate pressurization sealing device is characterized by comprising a sealing cover (3), wherein a connecting flange (4) is arranged on the periphery of the sealing cover (3), a plurality of through holes are uniformly distributed on the connecting flange (4), and the connecting flange penetrates through a connecting bolt (5) to be in sealing corresponding connection with a port of a blast gate (11); a pressurizing opening, a pressure relief opening and a high-precision pressure gauge (8) are arranged on the sealing cover (3); the pressurizing port and the pressure relief port are connected with pipelines and are respectively connected with an air source (1) and a pressure relief port (7) through a pressurizing valve (2) and a pressure relief valve (6).
2. Blast gate charging seal arrangement according to claim 1, characterized in that a sealing gasket (10) is provided between the connection flange (4) and the port of the blast gate (11).
3. The blast gate pressurization sealing device according to claim 1, wherein the high precision pressure gauge (8) is connected to the sealing cover (3) through a gas line (9).
4. The blast gate pressurization sealing device according to claim 1, characterized in that the main body of the sealing cover (3) is an elliptical standard head with a thickness of 3-5 mm, and the periphery of the sealing cover (3) is welded with the connecting flange (4).
5. The blast gate pressurization sealing device according to claim 4, characterized in that heightening cylinders (12) with different heights are welded between the sealing cover (3) and the connecting flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221441813.0U CN217637873U (en) | 2022-06-10 | 2022-06-10 | Blast gate pressurization sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221441813.0U CN217637873U (en) | 2022-06-10 | 2022-06-10 | Blast gate pressurization sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217637873U true CN217637873U (en) | 2022-10-21 |
Family
ID=83624469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221441813.0U Active CN217637873U (en) | 2022-06-10 | 2022-06-10 | Blast gate pressurization sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217637873U (en) |
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2022
- 2022-06-10 CN CN202221441813.0U patent/CN217637873U/en active Active
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