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Super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and production and usage method

A pipe fitting tee, prefabricated direct burial technology, applied in the direction of heat preservation, heat insulation protection of pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of high energy loss rate, high thermal conductivity, short life of the insulation layer, etc., to achieve Reduced thermal conductivity, low refractive index, strong waterproof effect

Pending Publication Date: 2017-05-31
哈尔滨朗格思特供热装备科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the original thermal insulation technology adopts polyurethane, rock wool, silicate and other thermal insulation materials to insulate the tee of ultra-high temperature pipe fittings, but the thermal conductivity is high, the energy loss rate is high, and the life of the thermal insulation layer is short

Method used

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  • Super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and production and usage method
  • Super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and production and usage method
  • Super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and production and usage method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] An ultra-high temperature prefabricated direct-buried thermal insulation pipe tee, which consists of: a steel pipe tee, the steel pipe tee 5 is wrapped with a rock wool heat insulation layer 4, and the rock wool heat insulation layer is coated with an air The gel layer 3, the airgel layer is coated with a polyurethane insulation layer 2, and the polyurethane insulation layer is coated with a metal outer protective tube 1 outside.

Embodiment 2

[0036] According to the ultra-high temperature prefabricated directly buried thermal insulation pipe fitting tee described in Example 1, the steel pipe tee can also be wrapped with an airgel felt layer, and the airgel felt layer is coated with a polyurethane insulation layer, so The outer side of the polyurethane insulation layer is covered with a metal outer protective tube.

Embodiment 3

[0038] According to the ultra-high temperature prefabricated direct-buried thermal insulation pipe fitting tee described in Example 2, the metal outer protective pipe can also be covered with a metal outer protective layer after using a polyurethane composite protective layer or a silicate composite protective layer according to temperature requirements. protective tube.

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Abstract

The invention discloses a super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and a production and usage method. At present, according to an original heat preservation technology, heat preservation materials, such as polyurethane, rock wool and silicate, are adopted to preserve heat for a super-high-temperature pipe fitting tee, but the heat conductivity coefficient is high, the dissipation rate of energy sources is high, and the service life of a heat preservation layer is short. The super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee comprises a steel pipe tee (5), wherein the steel pipe tee (5) is wrapped with a rock wool heat insulation layer (4); an aerogel layer (3) is applied and coated on the outer side of the rock wool heat insulation layer; a polyurethane heat preservation layer (2) is applied and coated on the outer side of the aerogel layer; and a metal outer protection pipe (1) is coated on the outer side of the polyurethane heat preservation layer. The invention relates to the field of energy source conveying pipelines, in particular to the super-high-temperature prefabricated directly-buried heat-preservation pipe fitting tee and the production and usage method.

Description

[0001] Technical field: [0002] The invention relates to the field of energy transmission pipelines, in particular to an ultra-high temperature prefabricated directly buried thermal insulation pipe fitting tee and a production and use method. [0003] Background technique: [0004] At present, the original insulation technology adopts polyurethane, rock wool, silicate and other insulation materials to insulate the tee of ultra-high temperature pipe fittings, but the thermal conductivity is high, the energy loss rate is high, and the life of the insulation layer is short. [0005] Invention content: [0006] The purpose of the present invention is to provide an ultra-high temperature prefabricated directly buried thermal insulation pipe fitting tee and its production and use method. [0007] Above-mentioned purpose realizes by following technical scheme: [0008] An ultra-high temperature prefabricated directly buried thermal insulation pipe fitting tee, which consists of: a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L59/02F16L59/04F16L59/08F16L59/10
CPCF16L59/028F16L59/029F16L59/04F16L59/08F16L59/10
Inventor 张居山赖贞澄王辉
Owner 哈尔滨朗格思特供热装备科技有限公司
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