CN216618514U - High-temperature-resistant, oxidation-resistant and corrosion-resistant metal composite graphite new material sealing ring - Google Patents
High-temperature-resistant, oxidation-resistant and corrosion-resistant metal composite graphite new material sealing ring Download PDFInfo
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- CN216618514U CN216618514U CN202123444956.5U CN202123444956U CN216618514U CN 216618514 U CN216618514 U CN 216618514U CN 202123444956 U CN202123444956 U CN 202123444956U CN 216618514 U CN216618514 U CN 216618514U
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Abstract
The utility model discloses a novel metal composite graphite material sealing ring with high temperature resistance, oxidation resistance and corrosion resistance.A metal net layer is respectively coated on the upper surface and the lower surface of a graphite packing ring, and a plurality of annular bone sheets are arranged inside the graphite packing ring; the cross section of the annular bone piece is wavy, and a plurality of communicating holes are formed in the annular bone piece; the communication hole transversely penetrates through the annular bone piece from the middle position of the wave trough and the wave crest of the annular bone piece; the communicating holes on two sides of the same wave crest on the annular bone slices are arranged in a staggered mode. The metal net layer is in a cap shape, and the edges of the two sides of the metal net layer wrap the inner side ring surface and the outer side ring surface of the graphite packing ring respectively; the metal net layer is formed by overlapping a plurality of metal nets in a staggered manner. The utility model has high structural strength, good oxidation resistance, high temperature resistance and corrosion resistance.
Description
Technical Field
The utility model relates to the technical field of graphite packing rings, in particular to a novel metal composite graphite material sealing ring with high temperature resistance, oxidation resistance and corrosion resistance.
Background
Graphite packing rings are a common type of seal. When the traditional graphite packing ring works in a high-temperature and high-pressure environment, the graphite packing ring is easy to oxidize, the sealing performance of the graphite packing ring is affected, and the graphite packing ring is easy to corrode due to the reduction of the sealing performance. The structural strength of the laminated graphite packing ring is poor, and each layer of graphite is easy to separate, so that the normal work of the graphite packing ring is influenced.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the novel metal composite graphite material sealing ring which is high in structural strength, oxidation resistant, corrosion resistant and good in oxidation resistant, high temperature resistant and corrosion resistant properties.
The technical scheme is as follows: in order to achieve the purpose, the novel metal composite graphite material sealing ring with high temperature resistance, oxidation resistance and corrosion resistance is characterized in that the upper surface and the lower surface of a graphite packing ring are respectively coated with a metal mesh layer, and a plurality of annular bone pieces are arranged inside the graphite packing ring; the cross section of the annular bone piece is wavy, and a plurality of communicating holes are formed in the annular bone piece.
Further, the communication holes transversely penetrate through the annular bone pieces from the middle positions of the wave troughs and the wave crests of the annular bone pieces.
Furthermore, the communicating holes on two sides of the same wave crest on the annular bone pieces are arranged in a staggered mode.
Furthermore, the annular rib pieces are arranged in the middle area inside the graphite packing ring, and the annular rib pieces are vertically arranged at equal intervals; the width of the annular bone piece is one half to two thirds of the width of the graphite packing ring.
Furthermore, the metal mesh layer is in a cap shape, and the two side edges of the metal mesh layer wrap the inner side ring surface and the outer side ring surface of the graphite packing ring respectively.
Furthermore, the metal net layer is formed by overlapping a plurality of metal nets in a staggered manner; the graphite in the graphite filler ring permeates into the metal mesh layer and partially permeates to the outer side surface of the metal mesh layer.
Furthermore, the metal mesh layer and the annular bone piece are made of copper, nickel or nickel-based alloy.
Has the advantages that: the novel metal composite graphite material sealing ring with high temperature resistance, oxidation resistance and corrosion resistance has the following beneficial effects:
1) an annular bone piece is arranged in the graphite packing ring, the cross section of the annular bone piece is wavy, and a communicating hole is formed in the annular bone piece; the graphite packing ring is manufactured by laminating, and the graphite above and below the annular rib sheets permeates into the communicating holes and is connected with each other in the laminating process, so that the structural strength of the whole graphite packing ring can be effectively improved;
2) the upper end and the lower end of the graphite packing ring are respectively provided with a metal mesh layer, and the metal mesh layers can protect the graphite packing ring and improve the oxidation resistance and the corrosion resistance of the graphite packing ring.
Drawings
FIG. 1 is a cross-sectional view of a graphite packing ring of the present invention;
fig. 2 is a schematic structural diagram of a circular bone fragment.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, the upper and lower surfaces of the graphite packing ring 1 are respectively coated with a metal mesh layer 2, the metal mesh layer 2 can protect the middle graphite packing ring 1, so that the oxidation resistance of the graphite packing ring 1 is improved, and the sealing performance is prevented from being reduced due to oxidation and quality loss of the graphite packing ring 1 in a high-temperature and high-pressure environment. The graphite packing ring 1 is internally provided with a plurality of annular bone pieces 3. The cross section of the annular bone plate 3 is wavy, and a plurality of communicating holes 4 are formed in the annular bone plate 3. Graphite drilled packing ring 1 is folded by a plurality of graphite layers and is pressed and make, and single graphite layer is formed by the winding of graphite tape, and annular bone piece 3 sets up between adjacent graphite layer, can make the surface on graphite layer take place deformation when wavy cross-section annular bone piece 3 folds with the graphite layer mutually, and the deformation part infiltration intercommunicating pore 4 on graphite layer for annular bone piece 3 closely links to each other with two adjacent graphite layers, thereby has improved whole graphite drilled packing ring 1's structural strength.
The communicating holes 4 transversely penetrate through the annular rib pieces 3 from the middle positions of wave troughs and wave crests of the annular rib pieces 3, the deformation degrees of graphite layers on the upper side and the lower side of the annular rib pieces 3 are similar, the graphite components are uniformly distributed, and the finished product quality of the graphite packing ring 1 is better.
The communicating holes 4 on two sides of the same wave crest on the annular bone slices 3 are arranged in a staggered mode, so that the connecting strength between the annular bone slices 3 and two adjacent graphite layers is higher.
The annular rib pieces 3 are arranged in the middle area inside the graphite packing ring 1, and the annular rib pieces 3 are vertically arranged at equal intervals. The width of the annular bone plate 3 is one half to two thirds of the width of the graphite packing ring 1. The annular bone pieces 3 are arranged inside the graphite packing ring 1, and the sealing performance of the graphite packing ring 1 cannot be influenced. The annular bone pieces 3 with proper width have better effect of improving the strength of the graphite packing ring 1.
The metal mesh layer 2 is in a cap shape, and the ring surfaces of the inner side and the outer side of the graphite packing ring 1 are respectively wrapped by the edges of the two sides of the metal mesh layer 2, so that the graphite packing ring 1 is better protected.
The metal net layer 2 is formed by overlapping a plurality of metal nets in a staggered mode. Graphite in the graphite filler ring 1 permeates into the metal mesh layer 2, the connection effect of the metal mesh layer 2 and the graphite filler ring 1 is good, the overall strength is high, part of graphite permeates to the outer side surface of the metal mesh layer 2, so that graphite components exist on the surface of the metal mesh layer 2, and the metal mesh layer 2 cannot influence the sealing performance and the lubricating performance of the graphite filler ring 1.
The metal net layer 2 and the annular bone pieces 3 are made of copper, nickel or nickel-based alloy, and have good antirust performance.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (7)
1. High temperature resistant, oxidation-resistant, anticorrosive metal composite graphite new material sealing ring which characterized in that: the upper surface and the lower surface of the graphite packing ring (1) are respectively coated with a metal mesh layer (2), and a plurality of annular bone pieces (3) are arranged inside the graphite packing ring (1); the cross section of the annular bone piece (3) is wavy, and a plurality of communicating holes (4) are formed in the annular bone piece (3).
2. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 1, wherein: the communication holes (4) transversely penetrate through the annular bone pieces (3) from the middle positions of wave troughs and wave crests of the annular bone pieces (3).
3. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 2, wherein: the communicating holes (4) on two sides of the same wave crest on the annular bone slices (3) are arranged in a staggered way.
4. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 3, wherein: the annular bone pieces (3) are arranged in the middle area inside the graphite packing ring (1), and the annular bone pieces (3) are vertically arranged at equal intervals; the width of the annular bone pieces (3) is one half to two thirds of the width of the graphite packing ring (1).
5. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 4, wherein: the metal mesh layer (2) is in a cap shape, and the two side edges of the metal mesh layer (2) wrap the inner side ring surface and the outer side ring surface of the graphite packing ring (1) respectively.
6. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 5, wherein: the metal net layer (2) is formed by overlapping a plurality of metal nets in a staggered manner; the graphite in the graphite packing ring (1) permeates into the metal mesh layer (2) and partially permeates to the outer surface of the metal mesh layer (2).
7. The new material sealing ring of metal composite graphite with high temperature resistance, oxidation resistance and corrosion resistance as claimed in claim 6, wherein: the metal net layer (2) and the annular bone pieces (3) are made of copper, nickel or nickel-based alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444956.5U CN216618514U (en) | 2021-12-29 | 2021-12-29 | High-temperature-resistant, oxidation-resistant and corrosion-resistant metal composite graphite new material sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444956.5U CN216618514U (en) | 2021-12-29 | 2021-12-29 | High-temperature-resistant, oxidation-resistant and corrosion-resistant metal composite graphite new material sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618514U true CN216618514U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123444956.5U Active CN216618514U (en) | 2021-12-29 | 2021-12-29 | High-temperature-resistant, oxidation-resistant and corrosion-resistant metal composite graphite new material sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618514U (en) |
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2021
- 2021-12-29 CN CN202123444956.5U patent/CN216618514U/en active Active
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