CN219159521U - Fireproof insulating sealing gasket - Google Patents
Fireproof insulating sealing gasket Download PDFInfo
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- CN219159521U CN219159521U CN202320243037.1U CN202320243037U CN219159521U CN 219159521 U CN219159521 U CN 219159521U CN 202320243037 U CN202320243037 U CN 202320243037U CN 219159521 U CN219159521 U CN 219159521U
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- stainless steel
- tooth
- single tooth
- sealing ring
- polytetrafluoroethylene
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a fire prevention insulating seal gasket, it includes the gasket main part, the gasket main part includes corrosion resistant plate and compound epoxy glass cloth laminated board, the recess has all been seted up to the both sides of corrosion resistant plate, the part that the recess was not seted up to the corrosion resistant plate both sides all is provided with compound epoxy glass cloth laminated board, all be provided with single tooth face stainless steel tooth shape sealing washer in two recesses, single tooth face stainless steel tooth shape sealing washer includes single tooth face stainless steel tooth shape pad and soft mica sealing washer, single tooth face stainless steel tooth shape pad sets up in the recess, one side of single tooth face stainless steel tooth shape pad is provided with a plurality of serration grooves coaxial with the corrosion resistant plate, a plurality of serration grooves are along the radial evenly distributed of corrosion resistant plate, soft mica sealing washer sets up in one side of single tooth face stainless steel tooth shape pad opposite the corrosion resistant plate, be provided with polytetrafluoroethylene spring energy storage sealing washer on the single tooth face stainless steel tooth shape pad inboard. The method can reduce the possibility of leakage of the two flange joints in a high-temperature and high-pressure environment.
Description
Technical Field
The application relates to the field of flange insulating sealing gaskets, in particular to a fireproof insulating sealing gasket.
Background
When two flanges are connected, the flanges are corroded due to the electric corrosion between different metals, so that the flanges are required to be insulated and isolated by using a flange insulating sealing gasket.
In the related art, the flange insulating sealing gasket is generally manufactured by adopting a glue bonding process, but the flange insulating sealing gasket manufactured by adopting the glue bonding process has a larger leakage risk at the joint of the two flanges under the high-temperature and high-pressure environment.
Disclosure of Invention
In order to reduce the possibility of leakage between two flanges in a high-temperature and high-pressure environment, the application provides a fireproof insulating sealing gasket.
The application provides a fireproof insulating sealing gasket adopts following technical scheme:
the utility model provides a fireproof insulating sealing gasket, includes the gasket main part, the gasket main part includes corrosion resistant plate and compound epoxy glass cloth laminated board, the recess has all been seted up to the both sides of corrosion resistant plate, the corrosion resistant plate both sides have not been seted up the part of recess all is provided with compound epoxy glass cloth laminated board, two all be provided with single tooth face stainless steel tooth shape sealing washer in the recess, single tooth face stainless steel tooth shape sealing washer includes single tooth face stainless steel tooth shape pad and soft mica sealing washer, single tooth face stainless steel tooth shape pad sets up in the recess, single tooth face stainless steel tooth shape backing is provided with a plurality of with the coaxial sawtooth groove of corrosion resistant plate, a plurality of sawtooth groove edges the radial evenly distributed of corrosion resistant plate, soft mica sealing washer sets up single tooth face stainless steel tooth shape backing is provided with polytetrafluoroethylene spring energy storage sealing washer on the single tooth face stainless steel tooth shape pad inboard.
By adopting the technical scheme, the polytetrafluoroethylene spring energy storage sealing ring is used as a first seal, the single tooth surface stainless steel tooth-shaped sealing ring is used as a second seal, the upper surface of the single tooth surface stainless steel tooth-shaped pad is provided with the concentric annular sawtooth groove, and the soft mica plate can be fixed in the sawtooth groove after being pressed, so that the sealing effect is achieved. The soft mica material is a good refractory material with high temperature resistance. When a fire disaster occurs, the first polytetrafluoroethylene spring energy storage sealing ring fails due to high temperature, and the second sealing ring acts to prevent the medium in the pipeline from leaking out, so that the sealing reliability is greatly enhanced. Thereby effectively reducing the possibility of leakage between the two flanges under the high-temperature and high-pressure environment.
Optionally, the soft mica sealing ring is adhered and fixed on one side of the single tooth surface stainless steel tooth-shaped pad, which is opposite to the stainless steel plate, through high-temperature-resistant insulating sealing glue.
By adopting the technical scheme, the installation is convenient.
Optionally, the stainless steel tooth-shaped pad with the single tooth surface is fixed on the stainless steel plate through welding, and the welding point is positioned at the inner side of the stainless steel tooth-shaped pad with the single tooth surface.
By adopting the technical scheme, the inner side of the stainless steel tooth-shaped pad with the single tooth surface is welded on the stainless steel plate, so that a leakage channel is reduced, and meanwhile, the whole thicker stainless steel is not required to be adopted for processing the tooth-shaped pad, so that the manufacturing cost is reduced.
Optionally, the polytetrafluoroethylene spring energy storage sealing ring comprises a polytetrafluoroethylene sealing ring and a stainless steel O-shaped spring, the polytetrafluoroethylene sealing ring is arranged on the inner side of the stainless steel tooth-shaped pad with the single tooth surface, an annular groove is formed in the inner side of the polytetrafluoroethylene sealing ring, and the stainless steel O-shaped spring is arranged in the annular groove.
By adopting the technical scheme, the polytetrafluoroethylene material has good corrosion resistance and is a good insulating and sealing material, but the polytetrafluoroethylene is easy to creep under pressure and has poor rebound resilience, so that the sealing failure can be caused. Therefore, the stainless steel O-shaped spring is added to the inner side of the sealing device, so that the rebound resilience of the sealing device is enhanced, and the sealing reliability is improved.
Optionally, a convex ring is arranged on one side of the polytetrafluoroethylene sealing ring, which is opposite to the stainless steel plate, and the convex ring and the polytetrafluoroethylene sealing ring form a step.
By adopting the technical scheme, the polytetrafluoroethylene can achieve good initial sealing under enough compression ratio, and the stainless steel O-shaped spring can be excessively compressed to cause permanent deformation to fail. Therefore, a step is arranged on one side of the polytetrafluoroethylene sealing ring, which is opposite to the stainless steel plate, so that the polytetrafluoroethylene sealing ring and the stainless steel plate are matched.
Optionally, the inside of single tooth face stainless steel tooth form pad with the outside of polytetrafluoroethylene sealing washer all inclines to set up, just the inside of single tooth face stainless steel tooth form pad pastes tightly the outside of polytetrafluoroethylene sealing washer, the inside of single tooth face stainless steel tooth form pad is along keeping away from the corrosion resistant plate direction extremely the distance of corrosion resistant plate axis reduces gradually.
Through adopting above-mentioned technical scheme, polytetrafluoroethylene sealing washer outer lane department is V type angle for cooperate the stainless steel tooth shape pad inboard oblique angle of single tooth face, utilize self elasticity to install in its inboard, and make it be difficult for droing.
Optionally, a side of the soft mica sealing ring, which is opposite to the stainless steel tooth-shaped pad with the single tooth surface, protrudes out of the composite epoxy glass cloth laminated board.
By adopting the technical scheme, the sealing performance is improved, and the structure is more reasonable.
Optionally, the gasket body is made by compounding the stainless steel plate and the composite epoxy glass cloth laminated board.
Through adopting above-mentioned technical scheme, greatly increased the tensile strength of gasket main part, epoxy glass cloth laminated board is excellent insulating material and corrosion-resistant material, also can play certain sealed effect simultaneously after the pressurized.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the polytetrafluoroethylene spring energy storage sealing ring is used as a first seal, the single tooth surface stainless steel tooth-shaped sealing ring is used as a second seal, the upper surface of the single tooth surface stainless steel tooth-shaped pad is provided with a concentric annular saw tooth slot, and the soft mica plate can be fixed in the saw tooth slot after being pressed, so that the sealing effect is achieved. The soft mica material is a good refractory material with high temperature resistance. When a fire disaster occurs, the first polytetrafluoroethylene spring energy storage sealing ring fails due to high temperature, and the second sealing ring acts to prevent the medium in the pipeline from leaking out, so that the sealing reliability is greatly enhanced. Thereby effectively reducing the possibility of leakage between the two flanges in the high-temperature and high-pressure environment;
2. polytetrafluoroethylene materials have good corrosion resistance and good insulation and sealing materials, but polytetrafluoroethylene is easy to creep under pressure and poor in rebound resilience, so that sealing failure can be caused. Therefore, the stainless steel O-shaped spring is added to the inner side of the sealing device, so that the rebound resilience of the sealing device is enhanced, and the sealing reliability is improved.
Drawings
Fig. 1 is a schematic perspective view of a fireproof insulating gasket in an embodiment of the present application.
Fig. 2 is a cross-sectional view of a fire-resistant insulating gasket seal in an embodiment of the present application.
Fig. 3 is an enlarged view at a of fig. 2 in an embodiment of the present application.
Reference numerals illustrate: 1. a gasket body; 11. a stainless steel plate; 12. composite epoxy glass cloth laminated board; 13. a groove; 2. stainless steel tooth-shaped sealing ring with single tooth surface; 21. stainless steel tooth pad with single tooth surface; 22. a soft mica sealing ring; 23. welding points; 24. sawing tooth grooves; 3. polytetrafluoroethylene spring energy storage sealing ring; 31. a polytetrafluoroethylene sealing ring; 32. stainless steel O-shaped spring; 33. a convex ring; 34. an annular groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a fireproof insulating sealing gasket. Referring to fig. 1 and 2, a fireproof insulating gasket comprises a gasket body 1, the gasket body 1 comprising a stainless steel plate 11 and a composite epoxy glass cloth laminate 12.
Referring to fig. 2 and 3, both sides of the stainless steel plate 11 are provided with grooves 13, and portions of both sides of the stainless steel plate 11, which are not provided with the grooves 13, are provided with composite epoxy glass cloth laminates 12. The gasket body 1 in the embodiment of the present application is made by compounding a stainless steel plate 11 and a composite epoxy glass cloth laminated plate 12.
Referring to fig. 2 and 3, a single tooth surface stainless steel tooth-shaped sealing ring 2 is arranged in each of the two grooves 13, the single tooth surface stainless steel tooth-shaped sealing ring 2 comprises a single tooth surface stainless steel tooth-shaped pad 21 and a soft mica sealing ring 22, the single tooth surface stainless steel tooth-shaped pad 21 is arranged in the groove 13, the single tooth surface stainless steel tooth-shaped pad 21 is fixed on the stainless steel plate 11 through welding, and the welding point 23 is positioned on the inner side of the single tooth surface stainless steel tooth-shaped pad 21. The side of the single tooth surface stainless steel tooth-shaped pad 21 facing away from the stainless steel plate 11 is provided with a plurality of sawtooth grooves 24 coaxial with the stainless steel plate 11, and the plurality of sawtooth grooves 24 are uniformly distributed along the radial direction of the stainless steel plate 11. The soft mica sealing ring 22 is adhered and fixed on the side of the stainless steel tooth-shaped pad 21 of the single tooth surface, which is opposite to the stainless steel plate 11, through high-temperature resistant insulating sealing glue. The side of the soft mica sealing ring 22 facing away from the stainless steel tooth pad 21 protrudes out of the composite epoxy glass cloth laminated board 12.
Referring to fig. 2 and 3, a polytetrafluoroethylene spring energy storage sealing ring 3 is arranged on the inner side of a single tooth surface stainless steel tooth-shaped pad 21. The polytetrafluoroethylene spring energy storage sealing ring 3 comprises a polytetrafluoroethylene sealing ring 31 and a stainless steel O-shaped spring 32. A polytetrafluoroethylene seal 31 is provided on the inner side of the single tooth face stainless steel tooth pad 21. The inner side of the stainless steel tooth-shaped pad 21 with a single tooth surface and the outer side of the polytetrafluoroethylene sealing ring 31 are obliquely arranged, the inner side of the stainless steel tooth-shaped pad 21 with a single tooth surface is tightly attached to the outer side of the polytetrafluoroethylene sealing ring 31, and the distance from the inner side of the stainless steel tooth-shaped pad 21 with a single tooth surface to the axis of the stainless steel plate 11 along the direction away from the stainless steel plate 11 is gradually reduced. The outer ring of the polytetrafluoroethylene sealing ring 31 is provided with a V-shaped angle, is used for matching with the inner bevel angle of the stainless steel tooth-shaped pad 21 with a single tooth surface, is elastically arranged on the inner side of the stainless steel tooth-shaped pad by using the self elasticity, and is not easy to fall off.
Referring to fig. 2 and 3, a convex ring 33 is integrally provided on a side of the polytetrafluoroethylene seal ring 31 facing away from the stainless steel plate 11, and the convex ring 33 and the polytetrafluoroethylene seal ring 31 form a step. An annular groove 34 is formed in the inner side of the polytetrafluoroethylene sealing ring 31, and a stainless steel O-shaped spring 32 is installed in the annular groove 34. The inner diameter of the polytetrafluoroethylene sealing ring 31 is larger than that of the groove 13 of the gasket body 1.
The implementation principle of the fireproof insulating sealing gasket provided by the embodiment of the application is as follows: the polytetrafluoroethylene spring energy storage sealing ring 3 is used as a first seal, the single tooth surface stainless steel tooth-shaped sealing ring 2 is used as a second seal, the upper surface of the single tooth surface stainless steel tooth-shaped pad 21 is provided with a concentric annular saw tooth groove 24, and after being pressed, the soft mica plate can be fixed in the saw tooth groove 24 to play a role in sealing. The soft mica material is a good refractory material with high temperature resistance. When a fire disaster occurs, the first polytetrafluoroethylene spring energy storage sealing ring 3 fails due to high temperature, and the second sealing is used for preventing the medium in the pipeline from leaking, so that the sealing reliability is greatly enhanced. Thereby effectively reducing the possibility of leakage between the two flanges under the high-temperature and high-pressure environment.
Polytetrafluoroethylene materials have good corrosion resistance and good insulation and sealing materials, but polytetrafluoroethylene is easy to creep under pressure and poor in rebound resilience, so that sealing failure can be caused. Therefore, the stainless steel O-shaped spring 32 is added to the inner side of the sealing device, so that the rebound resilience of the sealing device is enhanced, and the sealing reliability is improved. Polytetrafluoroethylene is required to achieve a good initial seal at a sufficient compression ratio, at which time the stainless steel O-spring 32 will be over compressed causing permanent deformation to fail. A step is therefore provided on the side of the polytetrafluoroethylene sealing ring 31 facing away from the stainless steel plate 11, so that the two are adapted.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a fire prevention insulating sealing gasket which characterized in that: including gasket body (1), gasket body (1) includes corrosion resistant plate (11) and compound epoxy glass cloth laminated board (12), recess (13) have all been seted up to the both sides of corrosion resistant plate (11), have not been seted up in the part of recess (13) all is provided with compound epoxy glass cloth laminated board (12), two all be provided with single tooth face stainless steel tooth form sealing washer (2) in recess (13), single tooth face stainless steel tooth form sealing washer (2) include single tooth face stainless steel tooth form pad (21) and soft mica sealing washer (22), single tooth face stainless steel tooth form pad (21) set up in recess (13), one side of single tooth face stainless steel tooth form pad (21) dorsad stainless steel plate (11) be provided with a plurality of with coaxial sawtooth groove (24) of corrosion resistant plate (11), a plurality of sawtooth groove (24) are followed corrosion resistant plate (11) radial evenly distributed, soft mica (22) set up single tooth face stainless steel tooth form pad (21) are in recess (13) are provided with on one side of stainless steel tooth form pad (21) stainless steel tooth form stainless steel seal washer (3).
2. A fire resistant insulating gasket seal as set forth in claim 1 wherein: the soft mica sealing ring (22) is fixed on one side of the single tooth surface stainless steel tooth-shaped pad (21) opposite to the stainless steel plate (11) through high-temperature-resistant insulating sealing adhesive.
3. A fire resistant insulating gasket seal as set forth in claim 2 wherein: the single tooth surface stainless steel tooth-shaped pad (21) is fixed on the stainless steel plate (11) through welding, and the welding point (23) is positioned on the inner side of the single tooth surface stainless steel tooth-shaped pad (21).
4. A fire resistant insulating gasket seal as set forth in claim 1 wherein: the polytetrafluoroethylene spring energy storage sealing ring (3) comprises a polytetrafluoroethylene sealing ring (31) and a stainless steel O-shaped spring (32), the polytetrafluoroethylene sealing ring (31) is arranged on the inner side of the stainless steel tooth-shaped pad (21) with a single tooth surface, an annular groove (34) is formed in the inner side of the polytetrafluoroethylene sealing ring (31), and the stainless steel O-shaped spring (32) is arranged in the annular groove (34).
5. A fire resistant insulating gasket seal as set forth in claim 4 wherein: a convex ring (33) is arranged on one side, opposite to the stainless steel plate (11), of the polytetrafluoroethylene sealing ring (31), and the convex ring (33) and the polytetrafluoroethylene sealing ring (31) form a step.
6. A fire resistant insulating gasket seal as set forth in claim 5 wherein: the inner side of the single tooth surface stainless steel tooth-shaped pad (21) and the outer side of the polytetrafluoroethylene sealing ring (31) are obliquely arranged, the inner side of the single tooth surface stainless steel tooth-shaped pad (21) is tightly attached to the outer side of the polytetrafluoroethylene sealing ring (31), and the distance from the inner side of the single tooth surface stainless steel tooth-shaped pad (21) to the axis of the stainless steel plate (11) along the direction away from the stainless steel plate (11) is gradually reduced.
7. A fire resistant insulating gasket seal as set forth in claim 1 wherein: the side of the soft mica sealing ring (22) opposite to the single tooth surface stainless steel tooth-shaped pad (21) protrudes out of the composite epoxy glass cloth laminated board (12).
8. A fire resistant insulating gasket seal as set forth in claim 1 wherein: the gasket body (1) is made by compounding the stainless steel plate (11) and the composite epoxy glass cloth laminated board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243037.1U CN219159521U (en) | 2023-02-04 | 2023-02-04 | Fireproof insulating sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243037.1U CN219159521U (en) | 2023-02-04 | 2023-02-04 | Fireproof insulating sealing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219159521U true CN219159521U (en) | 2023-06-09 |
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ID=86643847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243037.1U Active CN219159521U (en) | 2023-02-04 | 2023-02-04 | Fireproof insulating sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219159521U (en) |
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2023
- 2023-02-04 CN CN202320243037.1U patent/CN219159521U/en active Active
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