CN219530223U - Anti-corrosion heat-insulating layer suitable for low-temperature polyethylene steel pipe below-25 DEG C - Google Patents
Anti-corrosion heat-insulating layer suitable for low-temperature polyethylene steel pipe below-25 DEG C Download PDFInfo
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- CN219530223U CN219530223U CN202320714834.3U CN202320714834U CN219530223U CN 219530223 U CN219530223 U CN 219530223U CN 202320714834 U CN202320714834 U CN 202320714834U CN 219530223 U CN219530223 U CN 219530223U
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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 corrosion-resistant heat-insulating layer of a low-temperature polyethylene steel pipe, which is applicable to the temperature below-25 ℃, and comprises a first steel pipe, wherein a glass wool heat-insulating layer is arranged on the surface of the first steel pipe, and an aluminum foil reflecting layer is arranged on the surface of the glass wool heat-insulating layer. According to the utility model, the multidirectional heat preservation function of the first steel pipe can be realized, the loss speed of the temperature in the pipe can be reduced by the glass wool heat preservation heat insulation layer, meanwhile, the influence of the external temperature on the temperature in the pipe is greatly isolated, the aluminum foil reflecting layer is matched to reflect the heat emitted by the first steel pipe, a first layer heat preservation and protection line is formed, the polyurethane foam layer has a good heat preservation effect, the influence of low temperature on the temperature in the pipe can be resisted, the air heat preservation layer can play a role in heat preservation, each heat preservation layer can be prevented from being affected by moisture, the polyethylene layer is matched to achieve good water-proof performance, the anti-corrosion performance of the second steel pipe can be improved by the anti-corrosion layer, and the service life of the second steel pipe is prolonged.
Description
Technical Field
The utility model relates to the technical field of anti-corrosion heat-insulating layers, in particular to an anti-corrosion heat-insulating layer of a low-temperature polyethylene steel pipe, which is applicable to the temperature below-25 ℃.
Background
In industrial industry chain, generally, a low-temperature pipeline is used for achieving the purpose of heat preservation when industrial production is carried out in extremely cold areas, so that the temperature loss of raw materials in the pipeline conveying process can be greatly reduced, the energy consumption is reduced, and meanwhile, the transportation pipeline can be normally operated.
When the existing low-temperature pipeline faces a winter construction site below minus 25 ℃, the heat preservation function of the pipeline is difficult to be exerted, the temperature in the pipeline cannot be maintained, and the flow rate is reduced due to low temperature during material transportation, so that the transportation energy consumption is increased, the transportation efficiency is reduced, additional heating equipment is required to be put into for heat preservation, the transportation efficiency is maintained, and the pipeline cannot be normally operated due to the fact that the material is frozen and blocked due to the fact that the temperature is too low, so that the production is stopped.
Aiming at the technical problems in the prior art, the utility model provides the anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe, which is applicable to the temperature below-25 ℃ so as to solve the problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a corrosion-resistant heat-insulating layer applicable to a low-temperature polyethylene steel pipe below-25 ℃.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
be suitable for anticorrosive heat preservation of low temperature polyethylene steel pipe below-25 ℃, including first steel pipe, be equipped with glass wool heat preservation insulating layer on the surface of first steel pipe, be equipped with the aluminium foil reflection stratum on the surface of glass wool heat preservation insulating layer, be equipped with the polyethylene layer on the surface of aluminium foil reflection stratum, be equipped with polyurethane foam layer on the polyethylene layer, be equipped with the air heat preservation between polyethylene layer and the polyurethane foam layer, the winding has the glass cloth layer on the polyurethane foam layer, the cover has the second steel pipe on the glass cloth layer, scribble the anticorrosive coating on the second steel pipe.
Preferably, a plurality of fixing blocks are arranged on the polyethylene layer, and one ends of the fixing blocks are propped against the polyurethane foam layer.
Preferably, a plurality of binding tapes are arranged on the aluminum foil reflecting layer, and the aluminum foil reflecting layer is attached to the glass wool heat insulation layer.
Preferably, the surface of the glass wool heat preservation and insulation layer is wavy, and the thickness of the glass wool heat preservation and insulation layer is 4cm.
Preferably, the polyethylene layer has a thickness of 3mm and the polyurethane foam layer has a thickness of 4cm.
Preferably, the first steel tube is made of stainless steel, the second steel tube is made of glass fiber reinforced plastic, and the anticorrosive coating is made of epoxy powder coating and has a thickness of 100um.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the glass wool heat insulation layer, the aluminum foil reflecting layer, the polyethylene layer, the air heat insulation layer, the polyurethane foam layer, the glass cloth layer, the second steel tube and the anti-corrosion layer are arranged, so that the multi-directional heat insulation function of the first steel tube can be realized, the multi-layer cooperation of the glass wool heat insulation layer, the aluminum foil reflecting layer, the air heat insulation layer and the polyurethane foam layer is utilized to provide multi-layer protection for the first steel tube, the glass wool heat insulation layer can reduce the loss speed of the temperature in the tube, the influence of the external temperature on the temperature in the tube is greatly isolated, the aluminum foil reflecting layer is matched to reflect the heat emitted by the first steel tube, the first heat insulation line is formed, the polyurethane foam layer has a good heat insulation effect, the air heat insulation layer can play a role in heat insulation, the heat insulation layers can also be prevented from being wetted, the anti-corrosion protection layer can improve the anti-corrosion performance of the second steel tube, and the service life of the second steel tube is prolonged.
Drawings
Fig. 1 is a schematic diagram of the structure of the anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe which is applicable to the temperature below-25 ℃.
Fig. 2 is an enlarged view at a in fig. 1.
In the figure: 1 a first steel pipe, 2 a glass wool heat preservation and insulation layer, 3 an aluminum foil reflecting layer, 4 a polyethylene layer, 5 an air heat preservation layer, 6 a polyurethane foam layer, 7 a glass cloth layer, 8 a second steel pipe, 9 an anticorrosive layer and 10 fixing blocks.
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.
Referring to fig. 1-2, a corrosion-resistant heat-insulating layer of a low-temperature polyethylene steel pipe below-25 ℃ is applicable, the corrosion-resistant heat-insulating layer comprises a first steel pipe 1, a glass wool heat-insulating layer 2 is arranged on the surface of the first steel pipe 1, an aluminum foil reflecting layer 3 is arranged on the surface of the glass wool heat-insulating layer 2, a polyethylene layer 4 is arranged on the surface of the aluminum foil reflecting layer 3, a polyurethane foam layer 6 is arranged on the polyethylene layer 4, an air heat-insulating layer 5 is arranged between the polyethylene layer 4 and the polyurethane foam layer 6, a glass cloth layer 7 is wound on the polyurethane foam layer 6, the glass cloth layer 7 is used for fixing the polyurethane foam layer 6, a second steel pipe 8 is sleeved on the glass cloth layer 7, and a corrosion-resistant layer 9 is coated on the second steel pipe 8.
In the utility model, a plurality of fixing blocks 10 are arranged on a polyethylene layer 4, and one ends of the fixing blocks 10 are propped against a polyurethane foam layer 6.
In the utility model, a plurality of binding tapes are arranged on an aluminum foil reflecting layer 3, and the aluminum foil reflecting layer 3 is attached to a glass wool heat preservation and insulation layer 2.
In the utility model, the surface of the glass wool heat preservation and insulation layer 2 is wavy, and the thickness of the glass wool heat preservation and insulation layer 2 is 4cm.
In the utility model, the thickness of the polyethylene layer 4 is 3mm, the polyethylene has good waterproof performance and corrosion resistance, the thickness of the polyurethane foam layer 6 is 4cm, and the polyurethane material has good heat insulation performance.
In the utility model, the first steel pipe 1 is made of stainless steel, the second steel pipe 8 is made of glass fiber reinforced plastic, the anti-corrosion layer 9 is made of epoxy powder coating with the thickness of 100um, and the epoxy powder coating has good anti-corrosion performance.
When the glass wool heat-insulating layer 2 is wrapped on the surface of the first steel pipe 1, the aluminum foil reflecting layer 3 is arranged on the surface of the glass wool heat-insulating layer 2 by binding with a binding belt to ensure tight thread joint, the polyethylene layer 4 is arranged on the surface of the aluminum foil reflecting layer 3, meanwhile, the polyethylene layer 4 is provided with a plurality of fixing blocks 10, the fixing blocks 10 are provided with the polyurethane foam layer 6, gaps generated by the fixing blocks 10 are used as the air heat-insulating layer 5, the glass cloth layer 7 is wound on the polyurethane foam layer 6, the second steel pipe 8 is sleeved on the glass cloth layer 7, and finally the second steel pipe 8 is coated with the anti-corrosion layer 9.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Be suitable for anticorrosive heat preservation of low temperature polyethylene steel pipe below-25 ℃, including first steel pipe (1), its characterized in that, be equipped with glass wool heat preservation insulating layer (2) on the surface of first steel pipe (1), be equipped with aluminium foil reflection stratum (3) on the surface of glass wool heat preservation insulating layer (2), be equipped with polyethylene layer (4) on the surface of aluminium foil reflection stratum (3), be equipped with polyurethane foam layer (6) on polyethylene layer (4), be equipped with air heat preservation (5) between polyethylene layer (4) and polyurethane foam layer (6), twine on polyurethane foam layer (6) glass cloth layer (7), the cover has second steel pipe (8) on glass cloth layer (7), it has anticorrosive coating (9) on second steel pipe (8).
2. The anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe suitable for the temperature below minus 25 ℃ according to claim 1 is characterized in that a plurality of fixing blocks (10) are arranged on the polyethylene layer (4), and one ends of the fixing blocks (10) are propped against the polyurethane foam layer (6).
3. The anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe, which is applicable to the temperature below minus 25 ℃, is characterized in that a plurality of binding belts are arranged on the aluminum foil reflecting layer (3), and the aluminum foil reflecting layer (3) is attached to the glass wool heat-insulating layer (2).
4. The anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe suitable for the temperature below minus 25 ℃ as claimed in claim 1, wherein the surface of the glass wool heat-insulating layer (2) is wavy, and the thickness of the glass wool heat-insulating layer (2) is 4cm.
5. The anti-corrosion heat preservation layer for the low-temperature polyethylene steel pipe applicable to the temperature below-25 ℃ according to claim 1, wherein the thickness of the polyethylene layer (4) is 3mm, and the thickness of the polyurethane foam layer (6) is 4cm.
6. The anti-corrosion heat-insulating layer of the low-temperature polyethylene steel pipe suitable for the temperature below minus 25 ℃ according to claim 1 is characterized in that the first steel pipe (1) is made of stainless steel, the second steel pipe (8) is made of glass fiber reinforced plastic, and the anti-corrosion layer (9) is made of epoxy powder paint and has the thickness of 100um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320714834.3U CN219530223U (en) | 2023-04-04 | 2023-04-04 | Anti-corrosion heat-insulating layer suitable for low-temperature polyethylene steel pipe below-25 DEG C |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320714834.3U CN219530223U (en) | 2023-04-04 | 2023-04-04 | Anti-corrosion heat-insulating layer suitable for low-temperature polyethylene steel pipe below-25 DEG C |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219530223U true CN219530223U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320714834.3U Active CN219530223U (en) | 2023-04-04 | 2023-04-04 | Anti-corrosion heat-insulating layer suitable for low-temperature polyethylene steel pipe below-25 DEG C |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219530223U (en) |
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2023
- 2023-04-04 CN CN202320714834.3U patent/CN219530223U/en active Active
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