CN220303138U - Low-temperature-resistant spraying winding heat-insulating pipe - Google Patents
Low-temperature-resistant spraying winding heat-insulating pipe Download PDFInfo
- Publication number
- CN220303138U CN220303138U CN202321857306.XU CN202321857306U CN220303138U CN 220303138 U CN220303138 U CN 220303138U CN 202321857306 U CN202321857306 U CN 202321857306U CN 220303138 U CN220303138 U CN 220303138U
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- Prior art keywords
- heat
- fixedly connected
- insulating
- fixing cover
- temperature
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- 238000004804 winding Methods 0.000 title claims abstract description 28
- 238000005507 spraying Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Thermal Insulation (AREA)
Abstract
The utility model discloses a low-temperature-resistant spraying winding heat-insulating pipe, which comprises a core pipe, wherein the outer surface of the core pipe is fixedly connected with a heat-insulating layer, the outer surface of the heat-insulating layer is fixedly connected with a protective layer, and the outer surface of the core pipe is provided with a convex ring; the fixing device comprises an upper fixing cover, a first connecting block, a second connecting block, a protective cover and a lower fixing cover, wherein the upper surface of the upper fixing cover is fixedly connected with the first connecting block, the lower surface of the upper fixing cover is fixedly connected with the second connecting block, the side surface of the upper fixing cover is fixedly connected with the protective cover, and the upper surface of the lower fixing cover is fixedly connected with the upper fixing cover. The fixing device can reduce the occurrence of cracking on the surface of the heat-insulating pipe, keep the heat-insulating effect, and connect the heat-insulating pipe with the heat-insulating pipe or other pipelines, thereby facilitating medium transportation.
Description
Technical Field
The utility model relates to the technical field of heat preservation pipes, in particular to a low-temperature-resistant spraying winding heat preservation pipe.
Background
The heat-insulating pipe is short for heat-insulating pipes, and is a major technical breakthrough in the aspect of heat-insulating pipe manufacturing technology because of the transportation of liquid, gas and other mediums, in heat-insulating projects of pipelines such as petroleum, chemical industry, aerospace, military, central heating, central air conditioning, municipal administration and the like, the spray winding technology changes the production technology of the traditional heat-insulating pipe, the spray winding technology can determine the thickness of a reasonable heat-insulating layer according to the temperature of each project transportation medium, unnecessary mass surplus is reduced, the cost is saved, and the advantages of spray winding direct-buried heat-insulating pipe products are obviously bound to be realized along with the powerful implementation of national environmental protection and energy saving policies, so that the spray winding direct-buried heat-insulating pipe has higher popularization value.
The existing winding prefabricated directly-buried insulating pipe has the advantage of low cost, but the problem that how to connect or not easily connect the insulating pipe with the insulating pipe and the insulating pipe with other pipelines exists at the same time, and meanwhile, the insulating layer of the insulating pipe is easily separated from the steel pipe in the use process, so that the insulating effect of the insulating pipe is reduced, and the surface of the insulating pipe is easily cracked in a low-temperature environment.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a low-temperature-resistant spraying winding heat-insulating pipe, which can reduce the occurrence of cracking on the surface of the heat-insulating pipe through a fixing device, maintain the heat-insulating effect, connect the heat-insulating pipe with the heat-insulating pipe or other pipelines and facilitate medium transportation.
The utility model also provides a low-temperature-resistant spray winding heat-insulating pipe, which comprises the following components:
the outer surface of the core tube is fixedly connected with an insulation layer, the outer surface of the insulation layer is fixedly connected with a protection layer, and the outer surface of the core tube is provided with a convex ring;
the fixing device comprises an upper fixing cover, a first connecting block, a second connecting block, a protective cover and a lower fixing cover, wherein the upper surface of the upper fixing cover is fixedly connected with the first connecting block, the lower surface of the upper fixing cover is fixedly connected with the second connecting block, the side surface of the upper fixing cover is fixedly connected with the protective cover, and the upper surface of the lower fixing cover is fixedly connected with the upper fixing cover.
According to the low-temperature-resistant spraying winding heat-insulating pipe, the inner wall of the upper fixing cover is provided with the first groove, the first groove is matched with the convex ring, and the upper fixing cover and the core pipe are prevented from being transversely offset.
According to the low-temperature-resistant spraying winding heat-insulating pipe, the number of the first connecting blocks is multiple, the first connecting blocks are distributed up and down, and the outer surfaces of the first connecting blocks are provided with first threaded holes which can be used for connecting the heat-insulating pipe with the heat-insulating pipe.
According to the low-temperature-resistant spraying winding heat-insulating pipe, the number of the second connecting blocks is multiple, the second connecting blocks are distributed left and right, second threaded holes are formed in the outer surfaces of the second connecting blocks, and the upper fixing cover is fixedly connected with the lower fixing cover.
According to the low-temperature-resistant spraying winding heat-insulating pipe, the inner wall of the upper fixing cover is fixedly connected with the core pipe, and the inner wall of the lower fixing cover is fixedly connected with the core pipe, so that the heat-insulating effect is improved.
According to the low-temperature-resistant spray-coating winding heat-insulating pipe, the heat-insulating layer is made of polyurethane foam, the thickness of the heat-insulating layer is 15-20 mm, and the adhesion force between the heat-insulating layer and the core pipe is improved.
According to the low-temperature-resistant spray-coating winding heat-insulating pipe, the protective layer is made of polyethylene plastic, and is spirally wound on the surface of the heat-insulating layer, so that the circumferential elongation and the tensile strength of the protective layer are improved.
According to the low-temperature-resistant spraying winding heat-insulating pipe, the second groove is formed in the inner wall of the protective cover, the outer surface of the protective cover is fixedly connected with the second groove, and the occurrence of surface cracking of the heat-insulating pipe is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is a diagram showing the whole structure of a low temperature resistant spray-coating winding insulating pipe;
FIG. 2 is a schematic cross-sectional view of a low temperature resistant spray wrapped insulating pipe of the present utility model;
FIG. 3 is a partial block diagram of a low temperature resistant spray wrapped insulating pipe of the present utility model;
fig. 4 is a connecting structure diagram of a heat preservation pipe of the low temperature resistant spray winding heat preservation pipe.
Legend description:
1. an upper fixing cover; 2. a core tube; 3. a first connection block; 4. a second connection block; 5. a protective layer; 6. a first threaded hole; 7. a heat preservation layer; 8. a convex ring; 9. a second threaded hole; 10. a first groove; 11. a second groove; 12. a protective cover; 13. and a lower fixing cover.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the low-temperature-resistant spraying winding heat-insulating pipe provided by the embodiment of the utility model comprises a core pipe 2, wherein a heat-insulating layer 7 is fixedly connected to the outer surface of the core pipe 2, the heat-insulating layer 7 is made of polyurethane foam, the thickness of the heat-insulating layer 7 is 15-20 mm, the adhesion force between the heat-insulating layer and the core pipe is improved, a protective layer 5 is fixedly connected to the outer surface of the heat-insulating layer 7, the protective layer 5 is made of polyethylene plastic, the protective layer 5 is spirally wound on the surface of the heat-insulating layer 7, the circumferential elongation and the tensile strength of the protective layer are improved, and a convex ring 8 is arranged on the outer surface of the core pipe 2.
The fixing device comprises an upper fixing cover 1, a first connecting block 3, a second connecting block 4, a protective cover 12 and a lower fixing cover 13, wherein a first groove 10 is formed in the inner wall of the upper fixing cover 1, the first groove 10 is matched with the convex ring 8, the upper fixing cover and the core tube are prevented from being transversely offset, the upper surface of the upper fixing cover 1 is fixedly connected with the first connecting block 3, the first connecting blocks 3 are distributed up and down, the first threaded holes 6 are formed in the outer surface of the first connecting block 3, heat-insulating pipes and heat-insulating pipes can be connected with each other, the lower surface of the upper fixing cover 1 is fixedly connected with the second connecting block 4, the number of the second connecting blocks 4 is multiple and distributed left and right, a second threaded hole 9 is formed in the outer surface of the second connecting block 4, the upper fixing cover is fixedly connected with the lower fixing cover, the side surface of the upper fixing cover 1 is fixedly connected with the protective cover 12, the inner wall of the protective cover 12 is provided with a second groove 11, the outer surface of the protective cover 5 is fixedly connected with the second groove 11, the situation that the surface of the heat-insulating pipes is cracked is reduced, the upper surface of the lower fixing cover 13 is fixedly connected with the upper fixing cover 1 and the inner wall of the upper fixing cover 2 and the lower fixing cover 2, and the heat-insulating pipe are fixedly connected with the inner wall 2.
Working principle: the high-temperature liquid or gas is introduced into the core tube 2, and the polyurethane foam plastic has good heat insulation property, so that the heat preservation layer 7 can preserve heat of the core tube 2 and prevent the temperature of the core tube 2 from being dispersed; the protective layer 5 can protect the heat preservation 7, the visor 12 can laminate with a part of the surface of protective layer 5, on the one hand can prevent that core pipe 2 from breaking away from with heat preservation 7, on the other hand can reduce the circumstances that the fracture appears in the heat preservation pipe surface, especially the terminal surface part of pipeline, when external object runs into the heat preservation pipe, can touch the top and the both sides of heat preservation pipe usually, at this moment protective layer 5, fixed lid and visor 12 can cushion the gravity of heat preservation pipe self, the gravity of heat preservation pipe disperses the polyethylene protective layer 5 on the bigger area, avoid heat preservation 7 to warp, influence the heat preservation effect, still play certain waterproof effect simultaneously.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A low temperature resistant spray wrapped insulating pipe comprising:
the heat-insulating structure comprises a core tube (2), wherein the outer surface of the core tube (2) is fixedly connected with a heat-insulating layer (7), the outer surface of the heat-insulating layer (7) is fixedly connected with a protective layer (5), and the outer surface of the core tube (2) is provided with a convex ring (8);
the fixing device comprises an upper fixing cover (1), a first connecting block (3), a second connecting block (4), a protective cover (12) and a lower fixing cover (13), wherein the upper surface of the upper fixing cover (1) is fixedly connected with the first connecting block (3), the lower surface of the upper fixing cover (1) is fixedly connected with the second connecting block (4), the side surface of the upper fixing cover (1) is fixedly connected with the protective cover (12), and the upper surface of the lower fixing cover (13) is fixedly connected with the upper fixing cover (1).
2. The low-temperature-resistant spraying winding heat-insulating pipe according to claim 1, wherein a first groove (10) is formed in the inner wall of the upper fixing cover (1), and the first groove (10) is matched with the convex ring (8).
3. The low-temperature-resistant spray-coating winding heat-insulating pipe according to claim 1, wherein the number of the first connecting blocks (3) is multiple and distributed vertically, and the outer surface of the first connecting blocks (3) is provided with first threaded holes (6).
4. The low-temperature-resistant spraying and winding heat-insulating pipe according to claim 1, wherein the number of the second connecting blocks (4) is multiple and distributed left and right, and the outer surface of the second connecting block (4) is provided with a second threaded hole (9).
5. The low-temperature-resistant spraying winding heat-insulating pipe according to claim 1, wherein the inner wall of the upper fixed cover (1) is fixedly connected with the core pipe (2), and the inner wall of the lower fixed cover (13) is fixedly connected with the core pipe (2).
6. The low-temperature-resistant spray winding heat-insulating pipe according to claim 1, wherein the heat-insulating layer (7) is made of polyurethane foam, and the thickness of the heat-insulating layer (7) is 15-20 mm.
7. The low-temperature-resistant spray-coating winding heat-insulating pipe according to claim 1, wherein the protective layer (5) is made of polyethylene plastic, and the protective layer (5) is spirally wound on the surface of the heat-insulating layer (7).
8. The low-temperature-resistant spraying winding heat-insulating pipe according to claim 1, wherein the inner wall of the protective cover (12) is provided with a second groove (11), and the outer surface of the protective cover (5) is fixedly connected with the second groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857306.XU CN220303138U (en) | 2023-07-14 | 2023-07-14 | Low-temperature-resistant spraying winding heat-insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321857306.XU CN220303138U (en) | 2023-07-14 | 2023-07-14 | Low-temperature-resistant spraying winding heat-insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220303138U true CN220303138U (en) | 2024-01-05 |
Family
ID=89372820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321857306.XU Active CN220303138U (en) | 2023-07-14 | 2023-07-14 | Low-temperature-resistant spraying winding heat-insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220303138U (en) |
-
2023
- 2023-07-14 CN CN202321857306.XU patent/CN220303138U/en active Active
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