CN218670620U - High-temperature-resistant corrosion-resistant metal-coated sealing gasket - Google Patents
High-temperature-resistant corrosion-resistant metal-coated sealing gasket Download PDFInfo
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- CN218670620U CN218670620U CN202223239714.7U CN202223239714U CN218670620U CN 218670620 U CN218670620 U CN 218670620U CN 202223239714 U CN202223239714 U CN 202223239714U CN 218670620 U CN218670620 U CN 218670620U
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Abstract
The utility model provides a high temperature resistant corrosion-resistant metal cladding seal gasket, at least including the gasket body, the cladding has to be annular interface protective layer on the interior disc of gasket body, and the equal cladding of upper and lower surface of gasket body has or one of them cladding on the surface has to be annular sealed face protective layer, and interface protective layer and sealed face protective layer are connected as an organic wholely, and cross-section between them is L style of calligraphy or C style of calligraphy, interface protective layer and sealed face protective layer are nickel base alloy and make. The sealing gasket is made of nickel-based alloy coated carbon steel, has the advantages of high temperature resistance, corrosion resistance and high strength of an overflowing sealing interface, and is simple in manufacturing process, good in sealing performance and long in service life.
Description
Technical Field
The utility model relates to a seal gasket technical field especially relates to a high temperature resistant corrosion-resistant metal cladding seal gasket.
Background
The sealing gasket is made of metal or non-metal plate material through cutting, punching or cutting and is a sealing part with holes inside for sealing connection between pipes and machine parts. When the sealing gasket is used, if the conditions such as abrasion and corrosion occur, the sealing surface of the sealing gasket is not sealed tightly, and fluid leakage is caused, so that the use of machine equipment and the safe operation of the machine equipment are influenced. Especially, when the operation environment of the sealing plane of the machine equipment is severe, such as high-temperature environment and corrosive environment, under the severe environments, the common sealing gasket is easy to deform, wear, corrode and the like, so that effective sealing cannot be performed.
In order to ensure that the sealing plane of the sealing gasket keeps good sealing performance for a long time, the development of the sealing gasket which can resist high temperature and corrosion and has long service life is hoped by the technical personnel in the field. At present, there are some reports on high temperature resistant and corrosion resistant sealing gaskets, for example, the sealing gaskets disclosed in patents CN202646691U, CN211385675U, CN216473034U, and CN207364267U also have high temperature resistant or corrosion resistant performance, but these sealing gaskets are complex in structure, complex in manufacturing process, and do not protect the flow-through interface of the sealing gasket, and when the sealing fluid is high temperature, corrosive or hard fluid, the flow-through interface may also be deformed, corroded and abraded.
Disclosure of Invention
The utility model provides a high temperature resistant corrosion-resistant metal cladding seal gasket, this seal gasket are made for nickel base alloy cladding carbon steel, have high temperature resistant, corrosion-resistant, overflow the advantage that sealed interface intensity is high, and manufacturing process is simple moreover, and sealing performance is good, long service life.
Realize the utility model discloses the technical scheme that above-mentioned purpose adopted does:
a high-temperature-resistant corrosion-resistant metal-coated sealing gasket at least comprises a gasket body, wherein an inner circular surface of the gasket body is coated with an annular interface protective layer, the upper surface and the lower surface of the gasket body are coated with an annular sealing surface protective layer or one of the surfaces is coated with an annular sealing surface protective layer, the interface protective layer and the sealing surface protective layer are connected into a whole, the cross sections of the interface protective layer and the sealing surface protective layer are L-shaped or C-shaped, and the interface protective layer and the sealing surface protective layer are made of nickel-based alloy.
The gasket body is made of carbon steel material.
The outer diameter of the interface protective layer is matched with the inner diameter of the gasket body, the thickness of the interface protective layer is matched with the thickness of the gasket body, and the wall thickness of the interface protective layer is 0.25-0.50 mm.
The inner diameter of the sealing surface protection layer is matched with the inner diameter of the interface protection layer, the outer diameter of the sealing surface protection layer is matched with the outer diameter of the gasket body, and the thickness of the sealing surface protection layer is 0.25-0.50 mm.
The interface protective layer and the sealing surface protective layer are coated on the gasket body through an ultrasonic rapid cold spraying process.
Compared with the prior art, the utility model provides a high temperature resistant corrosion-resistant metal cladding seal gasket has following advantage: the sealing gasket provided by the utility model is made of nickel-based alloy material coated with common carbon steel material, and has the characteristics of high temperature resistance, corrosion resistance, high strength of the overflowing sealing interface and the like; and the manufacturing process is simple, the cost is low, the sealing performance is good, and the service life is long.
Drawings
Fig. 1 is a perspective view of a high temperature and corrosion resistant metal-coated sealing gasket provided in example 1;
FIG. 2 is a cross-sectional view of a high temperature and corrosion resistant metal-coated gasket seal provided in example 1;
fig. 3 is a three-dimensional structure diagram of the high-temperature-resistant and corrosion-resistant metal-coated sealing gasket provided in example 2;
FIG. 4 is a cross-sectional view of a high temperature and corrosion resistant metal-coated sealing gasket provided in example 2;
in the figure: 1-gasket body, 2-interface protection layer, 3-sealing surface protection layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. In the embodiment, the thickness is the thickness of the annular structure along the axial direction, and the wall thickness is the thickness of the annular structure along the radial direction.
Example 1
The structure of the high temperature resistant and corrosion resistant metal-coated sealing gasket provided by this embodiment is shown in fig. 1-2, including gasket body 1, the cladding has annular interface protective layer 2 on the interior disc of gasket body, the cladding has annular sealed face protective layer 3 on one of the upper and lower surfaces of gasket body, interface protective layer and sealed face protective layer are connected as an organic whole, and both cross-sections are L style of calligraphy, see fig. 2, the external diameter of interface protective layer and the internal diameter of gasket body phase-match, the thickness of interface protective layer and the thickness phase-match of gasket body, the internal diameter of sealed face protective layer and the internal diameter phase-match of interface protective layer, the external diameter of sealed face protective layer and the external diameter phase-match of gasket body.
Specifically, the gasket body is made of carbon steel material, and the interface protection layer and the sealing surface protection layer are made of nickel-based alloy. The nickel-based alloy has excellent high temperature resistance, corrosion resistance and high strength, and particularly, the interface protective layer and the sealing surface protective layer are coated on the gasket body through an ultrasonic quick cold spraying process, so that the gasket body is prevented from being thermally deformed, the material structure is prevented from being damaged, and the sealing surface and the overflowing sealing interface of the sealing gasket have excellent high temperature resistance, corrosion resistance and high strength. In the embodiment, only one surface of the sealing gasket is coated with the sealing surface protective layer, so that the sealing gasket is suitable for the condition that only one sealing surface of the sealing gasket is contacted with high-temperature, corrosive or hard fluid. Further, in this embodiment, the thickness of the interface protective layer is 0.25 to 0.50mm, and the thickness of the sealing surface protective layer is 0.25 to 0.50mm. The thickness range of the interface protective layer and the thickness range of the sealing surface protective layer are determined according to the requirements of the pressure, the temperature, the medium, the characteristics and the external environment of the sealing gasket in use working conditions.
The sealing gasket in the embodiment is made by coating a common carbon steel material with a nickel-based alloy material, and has the characteristics of high temperature resistance, corrosion resistance, high strength of an overflowing sealing interface and the like; and the manufacturing process is simple, the cost is low, the sealing performance is good, and the service life is long.
Example 2
The structure of the high temperature resistant and corrosion resistant metal-coated sealing gasket provided in this embodiment is substantially the same as that of embodiment 1, and the difference is that the upper and lower surfaces of the gasket body in this embodiment are both coated with annular sealing surface protection layers, and the cross sections of the interface protection layer and the sealing surface protection layer are L-shaped, as shown in fig. 3 to 4, which is suitable for the situation when both sealing surfaces of the sealing gasket contact high temperature, corrosive or hard fluid.
Claims (5)
1. The utility model provides a high temperature resistant corrosion-resistant metal cladding seal gasket, includes the gasket body at least, its characterized in that: the gasket is characterized in that an annular interface protective layer is coated on the inner circular surface of the gasket body, the upper surface and the lower surface of the gasket body are coated with annular sealing surface protective layers or one of the surfaces of the gasket body is coated with annular sealing surface protective layers, the interface protective layer and the sealing surface protective layers are connected into a whole, the cross sections of the interface protective layer and the sealing surface protective layers are L-shaped or C-shaped, and the interface protective layer and the sealing surface protective layers are made of nickel-based alloy.
2. The high temperature and corrosion resistant metal-coated gasket seal of claim 1, wherein: the gasket body is made of carbon steel material.
3. The high temperature and corrosion resistant metal-coated gasket seal of claim 1, wherein: the outer diameter of the interface protective layer is matched with the inner diameter of the gasket body, the thickness of the interface protective layer is matched with the thickness of the gasket body, and the wall thickness of the interface protective layer is 0.25-0.50 mm.
4. The high temperature and corrosion resistant metal-coated gasket seal of claim 1, wherein: the inner diameter of the sealing surface protection layer is matched with the inner diameter of the interface protection layer, the outer diameter of the sealing surface protection layer is matched with the outer diameter of the gasket body, and the thickness of the sealing surface protection layer is 0.25-0.50 mm.
5. The high temperature and corrosion resistant metal-coated gasket seal of claim 1, wherein: the interface protective layer and the sealing surface protective layer are coated on the gasket body through an ultrasonic rapid cold spraying process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239714.7U CN218670620U (en) | 2022-12-05 | 2022-12-05 | High-temperature-resistant corrosion-resistant metal-coated sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239714.7U CN218670620U (en) | 2022-12-05 | 2022-12-05 | High-temperature-resistant corrosion-resistant metal-coated sealing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670620U true CN218670620U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239714.7U Active CN218670620U (en) | 2022-12-05 | 2022-12-05 | High-temperature-resistant corrosion-resistant metal-coated sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670620U (en) |
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2022
- 2022-12-05 CN CN202223239714.7U patent/CN218670620U/en active Active
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