CN206608539U - A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer - Google Patents
A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer Download PDFInfo
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- CN206608539U CN206608539U CN201720055349.4U CN201720055349U CN206608539U CN 206608539 U CN206608539 U CN 206608539U CN 201720055349 U CN201720055349 U CN 201720055349U CN 206608539 U CN206608539 U CN 206608539U
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- graphite
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- ring
- high temperature
- voltage resistant
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Abstract
The utility model is related to a kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer; it can strengthen three kinds of forms of Composition spacer or graphite corrugated serrated compound gasket or graphite metal spirotallic gasket for graphite; it is to be provided with to form sealing protection ring by metallic plate and ceramic fibre tape lamination in internal layer that graphite, which strengthens Composition spacer or graphite corrugated serrated compound gasket; graphite metal spirotallic gasket is to include the inner ring set gradually from the inside to the outside, sealing protection ring, sealing ring and outer shroud, and sealing protection ring is entwined by metal tape and ceramic fibre strip are alternate.The utility model can effectively protect the area that graphite is aoxidized by sealing the setting of protection ring, it is ensured that improve integral sealing effect, make sealing more reliable durable.
Description
Technical field
The utility model is related to graphite and graphite metal composite sealing pad field, and in particular to a kind of high temperature high voltage resistant is prevented
Corrode high-performance sealed spacer.
Background technology
Graphite sealing gasket is a kind of widely used seal product occurred in recent years, because its have it is excellent resistance to
Warm, corrosion-resistant, anti-radiation performance and good compressibility and resilience, thermal conductivity and self-lubricating property, and it is widely used in stone
Oil, chemical industry, electric power, metallurgy, ship domain, are mainly used in the sealings such as seal for pipe joints, equipment interface sealing, Valve joint sealing
Position.
At present, existing common graphite pad faces the sealing operating mode of HTHP high performance requirements, often leaks, main
Producing cause is wanted to be analyzed as follows：
First, when temperature is more than 400 DEG C, for a long time using easily there is weight loss, during more than 450 DEG C, heat loss adds
It hurry up, show volume atrophy, cause leakage；
2nd, traditional processing graphite, because graphite current potential itself is determined, it is easy to form galvanic cell with metal flange,
(Fe-2e=Fe2+), causes metal flange sealing surface to corrode, so as to cause seal failure and leak；
3rd, in conventional machining process, the enhancing to graphite, the reinforcing material of addition be mainly traditional carbon steel, 304,
316th, 321 etc., and its combination with graphite is also unreasonable, it is impossible to play under good humidification, high-pressure situations
During hot alternation, compression resilience failure causes leakage.
The content of the invention
The utility model aims to provide a kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer, close to solve existing graphite
The problem of gasket is easily revealed under high temperature and high pressure condition.
The technical solution of the utility model is as follows：
A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer, it includes sealing ring, is characterized in that：Sealing ring
Internal layer have sealing protection ring.
Sealing ring is any of graphite ripple tooth combined seal ring or graphite enhancing combined seal ring, and it is by metallic plate
Formed with graphite cake lamination.Graphite cake, which is added, phosphorus, magnesium, aluminium, sodium element, and this greatly reduces oxidation speed in an oxidizing environment
Degree, is improved its fire-resistant oxidation resistant performance, and can separate graphite electron transfer pathways, delays electrochemical corrosion, protects
Sealing surface and flange face are protected, so as to ensure that sealing is safe and reliable.
Graphite grazing protection ring is formed by metallic plate and pyroceram fibre tape lamination, effectively protects graphite by oxygen
The area of change, it is ensured that improve integral sealing effect.
A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer, it is characterized in that：Include from the inside to the outside successively
The inner ring of setting, sealing protection ring, sealing ring and outer shroud.Sealing protection ring is by metal tape and pyroceram fibre band is alternate twines
Around into effectively protecting the area that is aoxidized of graphite, it is ensured that improve integral sealing effect；Sealing ring is by metal tape and flexible stone
Ink ribbon is alternate to be entwined, and metal tape uses Inconel600 or Inconel800, and flexible graphite belt is twined using single graphite bar
Around to ensure whole graphite annulus even density, so that it is guaranteed that whole pad No leakage hidden danger point, seals more reliable, flexible graphite belt
Addition has phosphorus, magnesium, aluminium, sodium element, and this greatly reduces oxidation rate in an oxidizing environment, makes its fire-resistant oxidation resistant performance
It is improved, and graphite electron transfer pathways can be separated, delays electrochemical corrosion, protection sealing surface and flange face, so as to protect
Card sealing is safe and reliable.
The beneficial effects of the utility model：Pass through the sealing protection ring and fire-resistant oxidation resistant of pyroceram fibre band
The setting of flexible graphite belt, efficiently avoid the problem of gasket seal is easily revealed under high temperature and high pressure condition, it is ensured that
The integral sealing effect of gasket seal, makes the sealing more reliable durable.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Fig. 3 is the structural representation of embodiment 3.
Fig. 4 is Fig. 3 Section A-A figure.
In figure, 1 inner ring, 2 outer shrouds, 3 sealing rings, 4 sealing protection rings, 5 metal tapes, 6 flexible graphite belts, 7 ceramic fibre strips.
Embodiment
Embodiment 1
As shown in figure 1, the embodiment, which is graphite, strengthens Composition spacer, include and plate and up and down graphite cake are pierced by intermetallic metal
The graphite enhancing combined seal ring 3 of lamination, the internal layer of graphite enhancing combined seal ring has is made pottery by metallic plate and high temperature resistant
The sealing protection ring 4 of porcelain fiber belt layer pressure.
Embodiment 2
As shown in Fig. 2 the embodiment is graphite corrugated serrated compound gasket, include by intermetallic metal ripple tooth and graphite cake up and down
The graphite ripple tooth combined seal ring 3 of lamination, the outer layer of graphite enhancing combined seal ring has outer shroud 2, and internal layer has by gold
Belong to plate and the sealing protection ring 4 of pyroceram fibre tape lamination.
Embodiment 3
As shown in Figure 3,4, the embodiment be graphite metal spirotallic gasket, include set gradually from the inside to the outside inner ring 1,
Seal protection ring 4, sealing ring 3 and outer shroud 2；Sealing protection ring is by metal tape 5 and ceramic fibre strip 7 is alternate is entwined, effectively
The area that ground protection graphite is aoxidized, improves resistance to elevated temperatures；Sealing ring is by metal tape 5 and the alternate winding of flexible graphite belt 6
Form, metal tape uses Inconel600 or Inconel800, flexible graphite belt has added phosphorus, magnesium, aluminium, sodium in process
Element；The metal tape 5 and flexible graphite belt 6 of the metal tape 5 and ceramic fibre strip 7 and sealing ring 3 that seal protection ring 4 are respectively provided with
W types cross section, has ensured good compression resilience.
Claims (8)
1. a kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer, it includes sealing ring, is characterised by：The sealing ring
Internal layer has sealing protection ring.
2. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 1, it is characterised in that：The sealing protection
Ring is formed by metallic plate and ceramic fibre tape lamination.
3. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 1, it is characterised in that：The sealing ring is
Any of graphite ripple tooth combined seal ring or graphite enhancing combined seal ring.
4. a kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer, it is characterised in that：Include what is set gradually from the inside to the outside
Inner ring, sealing protection ring, sealing ring and outer shroud.
5. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 4, it is characterised in that：The sealing protection
Ring is entwined by metal tape and ceramic fibre strip are alternate.
6. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 4, it is characterised in that：The sealing ring by
Metal tape and flexible graphite belt is alternate is entwined.
7. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 6, it is characterised in that：The metal tape is adopted
Use high temperature resistant Inconel600.
8. high temperature high voltage resistant anticorrosion high-performance sealed spacer according to claim 4, it is characterised in that：The sealing protection
The metal tape and ceramic fibre strip of ring and the metal tape and flexible graphite belt of the sealing ring are respectively provided with W types cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055349.4U CN206608539U (en) | 2017-01-18 | 2017-01-18 | A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055349.4U CN206608539U (en) | 2017-01-18 | 2017-01-18 | A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608539U true CN206608539U (en) | 2017-11-03 |
Family
ID=60171703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720055349.4U Active CN206608539U (en) | 2017-01-18 | 2017-01-18 | A kind of high temperature high voltage resistant anticorrosion high-performance sealed spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608539U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331920A (en) * | 2018-03-08 | 2018-07-27 | 苏州天沃环境能源工程有限公司 | Gasket seal in solid caustic soda production equipment |
| CN110788333A (en) * | 2019-11-23 | 2020-02-14 | 无锡市金属垫片有限公司 | Production process of metal winding gasket and metal winding gasket |
| CN113775757A (en) * | 2021-08-12 | 2021-12-10 | 山东鲁普科技有限公司 | High-temperature-resistant chemical fiber gasket and manufacturing method thereof |
-
2017
- 2017-01-18 CN CN201720055349.4U patent/CN206608539U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331920A (en) * | 2018-03-08 | 2018-07-27 | 苏州天沃环境能源工程有限公司 | Gasket seal in solid caustic soda production equipment |
| CN110788333A (en) * | 2019-11-23 | 2020-02-14 | 无锡市金属垫片有限公司 | Production process of metal winding gasket and metal winding gasket |
| CN110788333B (en) * | 2019-11-23 | 2021-08-03 | 无锡市金属垫片有限公司 | Production process of metal winding gasket and metal winding gasket |
| CN113775757A (en) * | 2021-08-12 | 2021-12-10 | 山东鲁普科技有限公司 | High-temperature-resistant chemical fiber gasket and manufacturing method thereof |
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