CN219367112U - High temperature resistant corrugated pipe - Google Patents
High temperature resistant corrugated pipe Download PDFInfo
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- CN219367112U CN219367112U CN202320845239.3U CN202320845239U CN219367112U CN 219367112 U CN219367112 U CN 219367112U CN 202320845239 U CN202320845239 U CN 202320845239U CN 219367112 U CN219367112 U CN 219367112U
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- corrugated pipe
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses a high-temperature-resistant corrugated pipe, which is technically characterized in that: the corrugated pipe comprises a corrugated pipe body, wherein connecting ends are respectively arranged at two ends of the corrugated pipe body, a plurality of corrugated expansion joints which are distributed at equal intervals are integrally formed at the outer side of the corrugated pipe body, and corrugated grooves are formed in the circumferential surface of the inner wall; the corrugated pipe main body comprises a corrosion-resistant layer, a corrugated pipe base layer, a first high-temperature-resistant layer, a reinforcing layer, a second high-temperature-resistant layer and an external wear-resistant layer, wherein the outer side surface of the corrosion-resistant layer is arranged on the inner surface of the corrugated pipe base layer, the inner surface of the first high-temperature-resistant layer is arranged on the outer surface of the corrugated pipe base layer, the first high-temperature-resistant layer can play a role in resisting high temperature for the corrosion-resistant layer and the corrugated pipe base layer, deformation caused by high temperature influence in the using process is avoided, the compression-resistant effect of the corrugated pipe main body can be enhanced by the reinforcing layer, and the internal structural strength is improved.
Description
Technical Field
The utility model relates to the technical field of corrugated pipes, in particular to a high-temperature-resistant corrugated pipe.
Background
The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the functions of compensating thermal deformation, shock absorption, pipeline settlement deformation and the like of pipelines, and is widely applied to industries such as petrochemical industry, instruments, aerospace, chemical industry, electric power, water conservancy, metallurgy and the like. Bellows made of other materials such as plastics have irreplaceable functions in the fields of medium transmission, electric power threading, machine tools, household appliances and the like.
The bellows of present part uses in the environment of high temperature high pressure, and ordinary bellows is under long-time use, causes the internal structure intensity to reduce easily, and the resistance to compression is poor to and the pipeline receives the influence of high temperature to soften easily, causes deformation, influences the use of bellows.
Disclosure of Invention
The utility model aims to provide a high-temperature-resistant corrugated pipe so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-temperature-resistant corrugated pipe comprises a corrugated pipe main body, wherein connecting ends are respectively arranged at two ends of the corrugated pipe main body, a plurality of corrugated expansion joints which are distributed at equal intervals are integrally formed on the outer side of the corrugated pipe main body, and corrugated grooves are formed in the circumferential surface of the inner wall;
the corrugated pipe main body comprises a corrosion-resistant layer, a corrugated pipe base layer, a first high-temperature-resistant layer, a reinforcing layer, a second high-temperature-resistant layer and an external wear-resistant layer, wherein the outer side surface of the corrosion-resistant layer is arranged on the inner surface of the corrugated pipe base layer, the inner surface of the first high-temperature-resistant layer is arranged on the outer surface of the corrugated pipe base layer, the reinforcing layer is arranged on the outer side surface of the first high-temperature-resistant layer, the second high-temperature-resistant layer is arranged on the outer side surface of the reinforcing layer, the outer side surface is fixedly connected with the external wear-resistant layer, and the first high-temperature-resistant layer and the second high-temperature-resistant layer are polyphenyl ether high-temperature-resistant layers.
Preferably, the corrosion-resistant layer is a polyethylene corrosion-resistant layer.
Preferably, the bellows base layer is a high density polyethylene layer.
Preferably, the reinforcing layer includes a flame retardant layer and a pressure resistant layer, the flame retardant layer is disposed on an outer side surface of the pressure resistant layer, and the outer side surface is disposed on an inner side surface of the second high temperature resistant layer.
Preferably, the compression-resistant layer is a PC plastic layer, and the flame-retardant layer is a flame-retardant PVC layer.
Preferably, the outer wear-resistant layer is a polyethylene layer.
Preferably, a connecting piece is fixedly arranged on the connecting end, and a mounting hole is formed in the connecting piece.
Compared with the prior art, the utility model has the beneficial effects that:
in the first and the second high-temperature resistant corrugated pipes, the corrugated pipe main body is provided with the corrugated grooves formed by integrally forming a plurality of corrugated expansion joints and the inner wall of the corrugated pipe main body, so that the integral rigidity of the corrugated pipe main body is improved, and the connecting ends arranged on the corrugated pipe main body are connected with other pipelines conveniently;
in the second, this high temperature resistant bellows, be favorable to improving the corrosion resistance of bellows basic unit's inner wall through corrosion-resistant layer, reduce the corrosion-resistant degree that bellows main part inner wall received, first high temperature resistant layer can play high temperature resistant effect to corrosion-resistant layer and bellows basic unit, avoid receiving high temperature influence in the use, receive high temperature influence and lead to deformation, the enhancement layer can strengthen the compressive effect of bellows main part, improve the compressive effect of bellows main part in the use, and the internal structural strength, improve the effect of use, the second high temperature resistant layer is favorable to improving the high temperature influence that the enhancement layer received, further strengthen corrosion-resistant layer, the bellows basic unit, the high temperature resistant effect of first high temperature resistant layer, the setting of outward appearance wearing layer, the bellows main part of enhancement receives when installation and use, prolong the life-span of bellows, the high temperature resistant layer of polyphenyl ether has rigidity is big, high heat resistance, the fire-resistant, the better advantage of high electric property of intensity, improve high temperature resistant effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the bellows body structure of the present utility model;
fig. 3 is a cross-sectional view of a reinforcement structure of the present utility model.
Fig. 4 is a schematic structural view of the present utility model.
In the figure: 1. a bellows body; 2. a connection end; 3. a connecting sheet; 4. a bellows expansion joint; 5. a corrugated groove; 6. a corrosion resistant layer; 7. a bellows base layer; 8. a first high temperature resistant layer; 9. a reinforcing layer; 91. a flame retardant layer; 92. a compression-resistant layer; 10. a second high temperature resistant layer; 11. an outer wear-resistant layer; 12. and (5) mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high temperature resistant bellows, includes bellows main part 1, and the both ends of bellows main part 1 are provided with link 2 respectively, and bellows main part 1 outside is provided with a plurality of equidistance of integrated into one piece and distributes bellows expansion joint 4, and is provided with ripple groove 5 on the circumference surface of inner wall, and a plurality of bellows expansion joint 4 of integrated into one piece that set up on the bellows main part 1 and the ripple groove 5 that the inner wall was seted up have improved bellows main part 1's whole rigidity, and link 2 that sets up on the bellows main part 1 conveniently are connected with other pipelines;
the bellows main part 1 includes corrosion-resistant layer 6, bellows basic unit 7, first high temperature resistant layer 8, enhancement layer 9, second high temperature resistant layer 10 and outward appearance wearing layer 11, the outside surface setting of corrosion-resistant layer 6 is on the internal surface of bellows basic unit 7, set up on the surface of bellows basic unit 7 on the internal surface of first high temperature resistant layer 8, enhancement layer 9 sets up on the outside surface of first high temperature resistant layer 8, second high temperature resistant layer 10 sets up on the outside surface of enhancement layer 9, and outside surface and outward appearance wearing layer 11 fixed connection, first high temperature resistant layer 8 and second high temperature resistant layer 10 are the high temperature resistant layer of polyphenyl ether, corrosion resistance through corrosion-resistant layer 6 is favorable to improving the corrosion resistance of bellows basic unit 7 inner wall, reduce the corrosion degree that bellows main part 1 inner wall received, first high temperature resistant layer 8 can play the effect of high temperature resistant layer 6 and bellows basic unit 7, avoid in the in-process of using, the high temperature influence leads to taking place to warp, enhancement layer 9 can carry out the compressive resistance to bellows main part 1 to the enhancement layer, the improvement of the high temperature resistant layer 1, the effect of enhancement layer 1 is favorable to the life-span of life-time of the high temperature resistant layer, the enhancement layer 1, the effect of the second high temperature resistant layer 10 is favorable to the enhancement layer 1, the life-span of the high temperature resistant layer is improved, the effect of the high temperature resistant layer is used in the enhancement layer 1, the high temperature resistant layer is more than the enhancement layer 1, the effect is more than the high temperature resistant layer is more resistant layer 10, the effect is more than the high-resistant layer is more resistant layer 1.
In this embodiment, the corrosion-resistant layer 6 is preferably a polyethylene corrosion-resistant layer, which has excellent mechanical strength, chemical stability, insulation, penetration resistance of plant rootstock, water penetration resistance, etc. to improve the overall performance, and can improve the corrosion resistance of the inner wall of the bellows base layer 7.
In this embodiment, the bellows base layer 7 is preferably a high-density polyethylene layer, and the high-density polyethylene layer is acid and alkali resistant, organic solvent resistant, excellent in electrical insulation, and can maintain certain toughness at low temperature, and has good mechanical strength such as surface hardness, tensile strength, rigidity, and the like, so that the use effect of the bellows base layer 7 is improved.
In this embodiment, preferably, the reinforcing layer 9 includes a flame retardant layer 91 and a compression resistant layer 92, the flame retardant layer 91 is disposed on an outer side surface of the compression resistant layer 92, and the outer side surface is disposed on an inner side surface of the second high temperature resistant layer 10, the flame retardant layer 91 can improve the fireproof flame retardant property of the compression resistant layer 92, the structural strength of the compression resistant layer 92 is ensured, and the compression resistant layer 92 improves the compression strength and the overall structural strength of the bellows body 1.
In this embodiment, the compression-resistant layer 92 is preferably a PC plastic layer, the flame-retardant layer 91 is a flame-retardant PVC layer, and the mechanical properties of the PC plastic layer have high strength and elastic coefficient, high impact strength, good fatigue resistance, good dimensional stability, and small creep, and the flame-retardant PVC layer is added with a flame retardant, so that the flame-retardant effect can be improved, the heat resistance, toughness and ductility of the PVC are good, and the structural strength of the flame-retardant layer 91 is greatly improved.
In this embodiment, the outer wear-resistant layer 11 is preferably a polyethylene layer, and the polyethylene layer has relatively excellent wear resistance, toughness and weather resistance.
In this embodiment, preferably, the connecting piece 3 is fixedly installed on the connecting end 2, the connecting piece 3 is provided with the mounting hole 12, and the connecting end 2 is conveniently and fixedly connected with other pipelines by using the screw through the mounting hole 12 formed on the connecting piece 3.
The utility model has the structural principle that: this high temperature resistant bellows when using, the ripple groove 5 that a plurality of ripple telescopic joints 4 of integrated into one piece and inner wall that set up on the bellows main part 1 had improved the overall rigidity of bellows main part 1, link 2 that set up on the bellows main part 1 conveniently is connected with other pipelines, corrosion-resistant layer 6 is favorable to improving the corrosion resistance of bellows basic unit 7 inner wall, reduce the corrosion-resistant degree that bellows main part 1 inner wall received, first high temperature resistant layer 8 can play high temperature resistant effect to corrosion-resistant layer 6 and bellows basic unit 7, avoid receiving high temperature influence in-process in use and lead to taking place the deformation, enhancement layer 9 can strengthen the compressive effect of bellows main part 1, improve the compressive effect of bellows main part 1 in-process of use, and the inside structural strength, improve the effect of using, second high temperature resistant layer 10 is favorable to improving the high temperature influence that enhancement layer 9 received, further strengthen corrosion-resistant layer 6, bellows basic unit 7, the high temperature resistant effect of first high temperature resistant layer 8, the setting of wearing and tearing wear-resistant layer 11, the bellows main part 1 receives the life of wearing and tearing when installing and prolonging the life of bellows.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high temperature resistant bellows, includes bellows main part (1), its characterized in that: the corrugated pipe comprises a corrugated pipe body (1), wherein connecting ends (2) are respectively arranged at two ends of the corrugated pipe body (1), a plurality of corrugated expansion joints (4) which are distributed at equal intervals and integrally formed are arranged at the outer side of the corrugated pipe body (1), and corrugated grooves (5) are formed in the circumferential surface of the inner wall;
the corrugated pipe body (1) comprises a corrosion-resistant layer (6), a corrugated pipe base layer (7), a first high-temperature-resistant layer (8), a reinforcing layer (9), a second high-temperature-resistant layer (10) and an outer surface wear-resistant layer (11), wherein the outer side surface of the corrosion-resistant layer (6) is arranged on the inner surface of the corrugated pipe base layer (7), the inner surface of the first high-temperature-resistant layer (8) is arranged on the outer surface of the corrugated pipe base layer (7), the reinforcing layer (9) is arranged on the outer side surface of the first high-temperature-resistant layer (8), the second high-temperature-resistant layer (10) is arranged on the outer side surface of the reinforcing layer (9), the outer side surface is fixedly connected with the outer surface wear-resistant layer (11), and the first high-temperature-resistant layer (8) and the second high-temperature-resistant layer (10) are polyphenyl ether high-temperature-resistant layers.
2. A high temperature resistant corrugated pipe according to claim 1, wherein: the corrosion-resistant layer (6) is a polyethylene corrosion-resistant layer.
3. A high temperature resistant corrugated pipe according to claim 1, wherein: the corrugated pipe base layer (7) is a high-density polyethylene layer.
4. A high temperature resistant corrugated pipe according to claim 1, wherein: the reinforcing layer (9) comprises a flame retardant layer (91) and a compression resistant layer (92), the flame retardant layer (91) is arranged on the outer side surface of the compression resistant layer (92), and the outer side surface is arranged on the inner side surface of the second high temperature resistant layer (10).
5. A high temperature resistant corrugated pipe according to claim 4, wherein: the compression-resistant layer (92) is a PC plastic layer, and the flame-retardant layer (91) is a flame-retardant PVC layer.
6. A high temperature resistant corrugated pipe according to claim 1, wherein: the outer wear-resistant layer (11) is a polyethylene layer.
7. A high temperature resistant corrugated pipe according to claim 1, wherein: the connecting end (2) is fixedly provided with a connecting sheet (3), and the connecting sheet (3) is provided with a mounting hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845239.3U CN219367112U (en) | 2023-04-17 | 2023-04-17 | High temperature resistant corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845239.3U CN219367112U (en) | 2023-04-17 | 2023-04-17 | High temperature resistant corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367112U true CN219367112U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320845239.3U Active CN219367112U (en) | 2023-04-17 | 2023-04-17 | High temperature resistant corrugated pipe |
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| Country | Link |
|---|---|
| CN (1) | CN219367112U (en) |
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2023
- 2023-04-17 CN CN202320845239.3U patent/CN219367112U/en active Active
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