CN215981240U

CN215981240U - Heating power pipeline

Info

Publication number: CN215981240U
Application number: CN202122211462.6U
Authority: CN
Inventors: 季巧莉; 高鹏程; 俞林; 金学峰; 孙洪波; 王为明
Original assignee: CCDI Suzhou Exploration and Design Consultant Co Ltd
Current assignee: CCDI Suzhou Exploration and Design Consultant Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-08
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to a pipeline, in particular to a heat distribution pipeline, which comprises a seamless steel pipe and also comprises: the anti-rust layer, the inner heat-insulating layer, the protective layer, the first bundling layer, the outer heat-insulating layer, the second bundling layer, the reflecting layer and the outer sleeve are sequentially arranged from inside to outside; and the anti-rust layer is coated on the outer surface of the seamless steel pipe. The heat distribution pipeline provided by the utility model adopts a multilayer structure to improve the heat insulation performance, and is stable in structure and convenient to manufacture.

Description

Heating power pipeline

Technical Field

The utility model relates to a pipeline, in particular to a heat distribution pipeline.

Background

The laying of the heat pipes comprises the modes of crossing a river, sinking at the bottom of the river, being overhead and the like, and the heat-insulating layer and the outer sleeve are mainly adopted at present, but the heat-insulating performance of the structure is poor in use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a thermal pipeline with good thermal insulation performance, and the specific technical scheme is as follows:

a thermal pipeline, includes seamless steel pipe, still includes: the anti-rust layer, the inner heat-insulating layer, the protective layer, the first bundling layer, the outer heat-insulating layer, the second bundling layer, the reflecting layer and the outer sleeve are sequentially arranged from inside to outside; and the anti-rust layer is coated on the outer surface of the seamless steel pipe.

Preferably, the anti-rust layer is an inorganic zinc-rich primer layer and is not less than one layer.

Preferably, the inner heat insulation layer comprises a nano heat insulation plate or an aluminum silicate cotton plate.

Preferably, the protective layer comprises a high-temperature-resistant aluminum foil glass fiber cloth layer.

Preferably, the first and second strapping layers each comprise a layer of two strands of galvanized iron wire.

Preferably, the outer insulation layer comprises a high temperature glass wool board layer.

Preferably, the reflective layer comprises a nanoballoon reflective layer.

Preferably, the thickness of the inner heat-insulating layer is not less than 50mm, and the thickness of the outer heat-insulating layer is not less than 60 mm.

Preferably, the surface of the outer sleeve is provided with an epoxy coal tar pitch anticorrosive coating.

Compared with the prior art, the utility model has the following beneficial effects:

the heat distribution pipeline provided by the utility model adopts a multilayer structure to improve the heat insulation performance, and is stable in structure and convenient to manufacture.

Drawings

Fig. 1 is a schematic diagram of a thermal pipeline.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

As shown in fig. 1, a heat distribution pipeline comprises a seamless steel pipe 1, an anti-rust layer 2, an inner insulating layer 3, a protective layer 4, a first binding layer 5, an outer insulating layer 6, a second binding layer 7, a reflecting layer 8 and an outer sleeve 9 which are arranged in sequence from inside to outside; the anti-rust layer 2 is coated on the outer surface of the seamless steel pipe 1, and the anti-rust layer 2 is an inorganic zinc-rich primer layer and is provided with two layers to form internal anti-rust. The inner heat preservation layer 3 comprises a nano heat preservation plate or an aluminum silicate cotton plate, the nano heat preservation plate or the aluminum silicate cotton plate is wrapped on the anti-rust layer 2, then the inner heat preservation layer 2 is wrapped by high-temperature-resistant aluminum foil glass fiber cloth, the inner heat preservation layer 2 is prevented from being scattered, the high-temperature-resistant aluminum foil glass fiber cloth forms a protection layer 4, then the high-temperature-resistant aluminum foil glass fiber cloth is bound by double strands of galvanized iron wires, the binding distance of the double strands of galvanized iron wires is 200mm, 4 bundles are formed per meter, a first binding layer 5 is formed, and then the protection layer 4 and the first binding layer 5 are wrapped by the high-temperature glass cotton plate, so that an outer heat preservation layer 6 is formed; the outer heat-insulating layer 6 is bound by double-strand galvanized iron wires, the binding distance of the double-strand galvanized iron wires is 200mm, and 4 bundles are bound per meter to form a second binding layer 7. The external heat-insulating layer 6 is wrapped with a nanometer air bag reflecting layer 8. And finally, the steel pipe is arranged in an outer sleeve 9, the outer sleeve 9 is a steel pipe, and an epoxy coal tar pitch anticorrosive coating is arranged on the outer surface of the outer sleeve.

The thickness of the inner heat-insulating layer 3 is not less than 50mm, the thickness of the outer heat-insulating layer 6 is not less than 60mm, and the total thickness of the heat-insulating layers is not less than 110 mm.

The double-strand galvanized iron wire can ensure the bundling reliability and is corrosion-resistant and rust-proof.

The two heat preservation layers and the nanometer air bag reflection layer 8 form effective heat preservation, and heat loss is reduced.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.

Claims

1. The utility model provides a heating power pipeline, includes seamless steel pipe, its characterized in that still includes: the anti-rust layer, the inner heat-insulating layer, the protective layer, the first bundling layer, the outer heat-insulating layer, the second bundling layer, the reflecting layer and the outer sleeve are sequentially arranged from inside to outside; and the anti-rust layer is coated on the outer surface of the seamless steel pipe.

2. A thermodynamic pipe as claimed in claim 1, wherein the rust-preventive layer is an inorganic zinc-rich primer layer and is not less than one layer.

3. A thermodynamic pipe as claimed in claim 1, wherein the inner insulating layer comprises a nano-insulation board or an aluminum silicate cotton board.

4. A heat pipe according to claim 1, wherein the protective layer comprises a high temperature resistant aluminum foil fiberglass cloth layer.

5. A thermodynamic pipe as claimed in claim 1, wherein the first and second layers of strapping each comprise a layer of galvanized double iron.

6. A thermodynamic pipe as claimed in claim 1, wherein the outer insulating layer comprises a layer of high temperature glass wool.

7. A thermodynamic pipe as claimed in claim 1, wherein the reflective layer comprises a nanoballoon reflective layer.

8. A thermodynamic pipe as claimed in claim 1, wherein the inner insulating layer has a thickness of not less than 50mm, and the outer insulating layer has a thickness of not less than 60 mm.

9. A thermodynamic pipe as claimed in claim 1, wherein the outer casing has an epoxy coal tar pitch anticorrosive coating on its surface.