CN215410776U - High temperature resistant corrugated pipe compensator - Google Patents
High temperature resistant corrugated pipe compensator Download PDFInfo
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- CN215410776U CN215410776U CN202120415020.0U CN202120415020U CN215410776U CN 215410776 U CN215410776 U CN 215410776U CN 202120415020 U CN202120415020 U CN 202120415020U CN 215410776 U CN215410776 U CN 215410776U
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- bellows
- high temperature
- corrugated pipe
- temperature resistant
- resistant
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Abstract
The utility model provides a high-temperature-resistant corrugated pipe compensator which comprises a corrugated pipe and flanges connected to two ends of the corrugated pipe, wherein a high-temperature-resistant backing ring is arranged on the inner wall side of each flange, inward folding lugs are integrally arranged on one side, close to the corrugated pipe, of each high-temperature-resistant backing ring, outward folding lugs are integrally arranged on one side, away from the corrugated pipe, of each high-temperature-resistant backing ring, heat insulation cloth is wrapped on the outer wall side of the corrugated pipe, a high-temperature-resistant coating is sprayed on the inner wall side of the corrugated pipe, corrugated pipe folding lugs are integrally arranged at two ends of the corrugated pipe, a compression ring is arranged on one side of each corrugated pipe folding lug, and a splicing bolt penetrates through the compression ring.
Description
Technical Field
The utility model relates to a high-temperature-resistant corrugated pipe compensator, belonging to the technical field of corrugated pipe compensators.
Background
Corrugated compensators, also conventionally called expansion joints, or expansion joints. It is composed of bellows (an elastic element) and its working body, end pipe, support, flange and guide pipe. The pipeline compensator is mainly used in various pipelines, can compensate the thermal displacement and the mechanical deformation of the pipelines and absorb various mechanical vibrations, and plays a role in reducing the deformation stress of the pipelines and prolonging the service life of the pipelines. The connection mode of the corrugated compensator is divided into flange connection and welding. The directly buried pipeline compensator generally adopts a welding mode.
Among the prior art, the corrugated expansion joint is mostly made of pure metal, and under the circumstances of letting in high-temperature fluid, high temperature makes the corrugated pipe internal surface metal take place the oxidation corrosion very easily, and in addition, pure metal's corrugated pipe heat conductivity is strong, and the heat resistance is very poor, leads to the heat loss easily, and the problem that the aforesaid appears is solved to the corrugated expansion joint of a high temperature resistance that now urgently needs.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the high-temperature-resistant corrugated pipe compensator to solve the problems in the background art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a high temperature resistant bellows compensator, includes the bellows, connects the flange at the bellows both ends, flange inner wall side is provided with high temperature resistant backing ring, one side an organic whole that high temperature resistant backing ring is close to the bellows is provided with the infolding ear, one side an organic whole that high temperature resistant backing ring deviates from the bellows is provided with the infolding ear, bellows outer wall side parcel has the heat insulating cloth, bellows inner wall side spouts scribbles high temperature resistant coating, bellows both ends an organic whole is provided with bellows and rolls over the ear, one side that the bellows rolled over the ear is equipped with the clamp ring, it is provided with the splicing bolt to run through on the clamp ring.
Furthermore, the high-temperature-resistant backing ring is made of zirconia ceramics, and an alumina coating is sprayed on the inner wall side of the high-temperature-resistant backing ring.
Further, the heat insulation cloth is glass fiber cloth.
Further, the high-temperature-resistant coating is a polytetrafluoroethylene coating.
Further, the width of the compression ring is the same as that of the corrugated pipe lug.
Furthermore, the splicing bolt penetrates through the compression ring, the corrugated pipe folding lug and the inner folding lug and is in threaded connection with the flange.
The utility model has the beneficial effects that:
1. the high-temperature-resistant backing ring is arranged on the inner wall side of the flange, is made of zirconia ceramics and ceramic, has good hardness and is suitable for being in direct hard contact with metal;
2. the glass fiber heat insulation cloth wraps the outer wall side of the corrugated pipe, so that heat loss in the corrugated pipe can be slowed down, and heat exchange with the outside can also be slowed down; the polytetrafluoroethylene high-temperature-resistant coating sprayed on the inner wall side of the corrugated pipe has good high-temperature resistance and chemical corrosion resistance, and in addition, the polytetrafluoroethylene coating has good elastic deformation effect, is suitable for the telescopic use of the corrugated pipe and does not delaminate;
3. after the flange is connected with an external pipeline, the outward-folded lug on one side of the high-temperature-resistant backing ring close to the flange is directly lapped with the pipeline, so that the flange is not in direct contact with the pipeline; the splicing bolt penetrates through the compression ring, the corrugated pipe folding lug and the inner folding lug and then is in screwed connection with the flange thread, so that the heat-resistant and corrosion-resistant effects of the splicing part are ensured.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a high temperature resistant bellows compensator according to the present invention;
FIG. 2 is a cross-sectional view of a high temperature resistant bellows compensator of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
in the figure: 1 flange, 2 high temperature resistant backing rings, 21 outward-folded lugs, 22 inward-folded lugs, 23 aluminum oxide coating, 3 compression rings, 4 splicing bolts, 5 corrugated pipes, 51 high temperature resistant coating, 52 heat insulation cloth and 53 corrugated pipe folded lugs.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high temperature resistant bellows compensator, including bellows 5, connect the flange 1 at bellows 5 both ends, 1 inner wall side of flange is provided with high temperature resistant backing ring 2, one side an organic whole that high temperature resistant backing ring 2 is close to bellows 5 is provided with interior ear 22, one side an organic whole that high temperature resistant backing ring 2 deviates from bellows 5 is provided with outer ear 21 that rolls over, 5 outer wall side parcel of bellows has thermal-insulated cloth 52, 5 inner wall side spouts and scribbles high temperature resistant coating 51, 5 both ends an organic whole of bellows are provided with bellows ear 53, one side of bellows ear 53 is equipped with clamp ring 3, it is provided with splicing bolt 4 to run through on the clamp ring 3, it is relatively poor to have solved the high temperature resistant effect of bellows compensator in the past, the problem of easy corruption.
The high-temperature-resistant backing ring 2 is made of zirconia ceramic, the zirconia is made of ceramic, the hardness is good, the high-temperature-resistant backing ring is suitable for being in direct hard contact with metal, the side of the inner wall of the high-temperature-resistant backing ring 2 is sprayed with the alumina coating 23, and the alumina coating 23 improves the high-temperature-resistant effect and the good wear-resistant effect.
The heat insulation cloth 52 is glass fiber cloth which has good high temperature resistance and heat insulation effect, and can slow down heat loss inside the corrugated pipe 5 and heat exchange with the outside.
The high-temperature-resistant coating 51 is a polytetrafluoroethylene coating, has good high-temperature resistance and chemical corrosion resistance, has good elastic deformation effect, is suitable for the expansion and contraction of the corrugated pipe 5, and does not delaminate.
The width of the compression ring 3 is the same as that of the corrugated pipe folding lug 53; the splicing bolt 4 penetrates through the pressing ring 3, the corrugated pipe folding lug 53 and the inner folding lug 22 and then is in threaded screwing connection with the flange 1, so that the splicing flange 1 and the corrugated pipe 5 are in good sealing connection, and the heat-resistant and corrosion-resistant effects of the splicing position are ensured.
As an embodiment of the present invention: after the flange 1 is connected with an external pipeline, the outward-folded lug 21 on one side of the high-temperature-resistant backing ring 2, which is close to the flange 1, is directly lapped with the pipeline, so that the flange 1 is not in direct contact with the pipeline; sleeving the compression ring 3 on the inner side of the corrugated pipe folding lug 53, and taking a splicing bolt 4 to penetrate through the compression ring 3, the corrugated pipe folding lug 53 and the inner folding lug 22 and then to be in threaded screwing connection with the flange 1, so that the heat-resistant and corrosion-resistant effects at the splicing part are ensured; the high-temperature-resistant backing ring 2 is made of zirconia ceramics, is made of ceramics, has good hardness and is suitable for being in direct hard contact with metal; the glass fiber heat insulation cloth 52 is wrapped on the outer wall side of the corrugated pipe 5, so that the heat loss in the corrugated pipe 5 can be slowed down, and the heat exchange with the outside can also be slowed down; the polytetrafluoroethylene high-temperature resistant coating 51 sprayed on the inner wall side of the corrugated pipe 5 has good high-temperature resistance and chemical corrosion resistance, and the polytetrafluoroethylene coating has good elastic deformation effect and is suitable for the telescopic use of the corrugated pipe 5 without delamination.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a high temperature resistance bellows compensator, includes bellows (5), connects flange (1) at bellows (5) both ends, its characterized in that: flange (1) inner wall side is provided with high temperature resistant backing ring (2), one side an organic whole that high temperature resistant backing ring (2) are close to bellows (5) is provided with interior ear of rolling over (22), one side an organic whole that high temperature resistant backing ring (2) deviate from bellows (5) is provided with outward ear of rolling over (21), bellows (5) outer wall side parcel has thermal-insulated cloth (52), bellows (5) inner wall side is spouted and is scribbled high temperature resistant coating (51), bellows (5) both ends an organic whole is provided with bellows ear of rolling over (53), one side of bellows ear of rolling over (53) is equipped with clamp ring (3), it is provided with splice bolt (4) to run through on clamp ring (3).
2. The high temperature resistant bellows compensator of claim 1, wherein: the material of the high-temperature-resistant backing ring (2) is zirconia ceramic, and the inner wall side of the material of the high-temperature-resistant backing ring (2) is sprayed with an alumina coating (23).
3. The high temperature resistant bellows compensator of claim 1, wherein: the heat insulation cloth (52) is glass fiber cloth.
4. The high temperature resistant bellows compensator of claim 1, wherein: the high-temperature-resistant coating (51) is a polytetrafluoroethylene coating.
5. The high temperature resistant bellows compensator of claim 1, wherein: the width of the compression ring (3) is the same as that of the corrugated pipe folding lug (53).
6. The high temperature resistant bellows compensator of claim 1, wherein: the splicing bolt (4) penetrates through the compression ring (3), the corrugated pipe folding lug (53) and the inner folding lug (22) and then is in threaded connection with the flange (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415020.0U CN215410776U (en) | 2021-02-25 | 2021-02-25 | High temperature resistant corrugated pipe compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415020.0U CN215410776U (en) | 2021-02-25 | 2021-02-25 | High temperature resistant corrugated pipe compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410776U true CN215410776U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415020.0U Active CN215410776U (en) | 2021-02-25 | 2021-02-25 | High temperature resistant corrugated pipe compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410776U (en) |
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2021
- 2021-02-25 CN CN202120415020.0U patent/CN215410776U/en active Active
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