CN203477640U - Novel prefabricated direct-buried heat insulating pipe - Google Patents
Novel prefabricated direct-buried heat insulating pipe Download PDFInfo
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- CN203477640U CN203477640U CN201320345139.0U CN201320345139U CN203477640U CN 203477640 U CN203477640 U CN 203477640U CN 201320345139 U CN201320345139 U CN 201320345139U CN 203477640 U CN203477640 U CN 203477640U
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- heat insulating
- pipe
- prefabricated direct
- steel pipe
- novel prefabricated
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Abstract
A novel prefabricated direct-buried heat insulating pipe relates to the technical field of a heat insulating pipe. The novel prefabricated direct-buried heat insulating pipe comprises a steel pipe (1), a first anticorrosive layer (2), a polyurethane heat insulating layer (3), a second anticorrosive layer (4), a pouring hole (5) and a cross support (6), wherein the cross support (6) is arranged between the steel pipe (1) and the polyurethane heat insulating layer (3); the inner wall of the polyurethane heat insulating layer (3) is provided with the first anticorrosive layer (2); the external wall of the polyurethane heat insulating layer (3) is provided with the second anticorrosive layer (4); one end of the steel pipe (1) and one end of the polyurethane heat insulating layer (3) are provided with the pouring hole (5); and the other end of the steel pipe (1) and the other end of the polyurethane heat insulating layer (3) are provided with a vent hole. The novel prefabricated direct-buried heat insulating pipe has a large aperture, does not contain poisonous material, thereby being safe and environment friendly; and the novel prefabricated direct-buried heat insulating pipe is anti-compression and corrosion-resistant, thereby having long service life.
Description
Technical field
The utility model relates to thermal insulation pipe technical field, is specifically related to a kind of novel prefabricated direct-buried thermal insulation pipe.
Background technique
Prefabricated direct-buried thermal insulation pipe is widely used in the transmission pipeline network of liquid, gas, chemical pipeline heat insulating work oil, chemical industry, central heating network, ventilating duct of central air conditioner, municipal engineering etc.Prefabricated direct-buried thermal insulation pipe is a kind of good heat insulating, safe and reliable, and the direct-burried that engineering cost is low is heat preservation pipe prefabricated.The 130 ℃ of defeated hot insulation of prefabricated direct-buried thermal insulation pipe, waterproof problems of slide lubricated and exposed pipe end used of-150 ℃ of high temperature in the central heat supply of cities and towns have effectively been solved.
The material feeding mode of existing prefabricated direct-buried thermal insulation pipe is from centre punching material feeding, affect the stress, particularly bigbore thermal insulation pipe of thermal insulation pipe, and the thermal insulation layer in existing prefabricated direct-buried thermal insulation pipe contains freon with raw material.
Summary of the invention
The purpose of this utility model is to provide a kind of novel prefabricated direct-buried thermal insulation pipe, and its bore is large, not containing toxic raw materials, and safety, environmental protection, resistance to compression, anticorrosive, long service life.
In order to solve the existing problem of background technique, the utility model is by the following technical solutions: it comprises steel pipe 1, anticorrosive coat 1, polyurethane insulation coating 3, anticorrosive coat 24, material hole 5, lateral frame 6; Between steel pipe 1 and polyurethane insulation coating 3, be provided with lateral frame 6, the inwall of polyurethane insulation coating 3 is provided with anticorrosive coat 1, the outer wall of polyurethane insulation coating 3 is provided with anticorrosive coat 24, steel pipe 1 is provided with a material hole 5 with one end of polyurethane insulation coating 3, and steel pipe 1 is provided with a vent hole with the other end of polyurethane insulation coating 3.
Described polyurethane insulation coating 3 is floride-free raw material, comparatively environmental protection of full water.
The beneficial effects of the utility model: reliable performance, fabricating cost is low, and bore is large, not containing toxic raw materials, safety, environmental protection, resistance to compression, anticorrosive, long service life.
Accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Embodiment:
With reference to Fig. 1, this embodiment by the following technical solutions: it comprises steel pipe 1, anticorrosive coat 1, polyurethane insulation coating 3, anticorrosive coat 24, material hole 5, lateral frame 6; Between steel pipe 1 and polyurethane insulation coating 3, be provided with lateral frame 6, the inwall of polyurethane insulation coating 3 is provided with anticorrosive coat 1, the outer wall of polyurethane insulation coating 3 is provided with anticorrosive coat 24, steel pipe 1 is provided with a material hole 5 with one end of polyurethane insulation coating 3, and steel pipe 1 is provided with a vent hole with the other end of polyurethane insulation coating 3.
Described polyurethane insulation coating 3 is floride-free raw material, comparatively environmental protection of full water.
The utility model mode of execution reliable performance, fabricating cost is low, and bore is large, not containing toxic raw materials, safety, environmental protection, resistance to compression, anticorrosive, long service life.
Claims (1)
1. a novel prefabricated direct-buried thermal insulation pipe, is characterized in that it comprises steel pipe (1), anticorrosive coat one (2), polyurethane insulation coating (3), anticorrosive coat two (4), material hole (5), lateral frame (6); Between steel pipe (1) and polyurethane insulation coating (3), be provided with lateral frame (6), the inwall of polyurethane insulation coating (3) is provided with anticorrosive coat one (2), the outer wall of polyurethane insulation coating (3) is provided with anticorrosive coat two (4), steel pipe (1) is provided with a material hole (5) with one end of polyurethane insulation coating (3), and steel pipe (1) is provided with a vent hole with the other end of polyurethane insulation coating (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345139.0U CN203477640U (en) | 2013-06-17 | 2013-06-17 | Novel prefabricated direct-buried heat insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345139.0U CN203477640U (en) | 2013-06-17 | 2013-06-17 | Novel prefabricated direct-buried heat insulating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477640U true CN203477640U (en) | 2014-03-12 |
Family
ID=50225971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320345139.0U Expired - Fee Related CN203477640U (en) | 2013-06-17 | 2013-06-17 | Novel prefabricated direct-buried heat insulating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641587A (en) * | 2016-12-28 | 2017-05-10 | 池州市旭豪机械有限公司 | Steel-in-steel directly buried steam heat insulating pipe |
-
2013
- 2013-06-17 CN CN201320345139.0U patent/CN203477640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641587A (en) * | 2016-12-28 | 2017-05-10 | 池州市旭豪机械有限公司 | Steel-in-steel directly buried steam heat insulating pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20190617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |