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Non-inflammable and stepping-preventing composite thermal insulation pipe

A technology of composite thermal insulation and thermal insulation layer, which is applied in the direction of thermal insulation and protection of pipelines and pipes through thermal insulation, and can solve the problems of non-combustible and thermal insulation functions

Active Publication Date: 2013-07-24
中铁电气化局集团北京建筑工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But it does not have the functions of non-combustibility and heat preservation

Method used

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  • Non-inflammable and stepping-preventing composite thermal insulation pipe

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Embodiment Construction

[0012] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0013] Such as figure 1 As shown, the non-combustible and anti-stepping composite heat preservation pipe of this embodiment includes a centrifugal ductile iron pipe body 1 and an electric heating copper wire 2, and a composite centrifugal glass wool 3 is sequentially arranged outside the centrifugal ductile iron pipe body 1 from inside to outside , a foamed ceramic insulation layer 4 and an aluminum plate protective shell 5, and the electric heating copper wire 2 is clamped in the composite centrifugal glass wool 3.

[0014] Further, the expanded ceramic insulation layer 4 is provided with an expanded metal mesh 6 .

[0015] Further, several reinforcing ribs are provided...

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Abstract

The invention relates to the field of pipes and provides a non-inflammable and stepping-preventing composite thermal insulation pipe which has a thermal insulation effect, is non-inflammable and has high strength. The non-inflammable and stepping-preventing composite thermal insulation pipe comprises a centrifugal nodular cast iron pipe body and an electric heat tracing copper conducting wire, wherein the outer part of the centrifugal nodular cast iron pipe body is sequentially provided with composite centrifugal glass cotton, a foaming ceramic thermal insulation layer and an aluminum board protection shell from inside to outside, and the electric heat tracing copper conducting wire is clamped in the composite centrifugal glass cotton. The non-inflammable and stepping-preventing composite thermal insulation pipe provided by the invention has the beneficial effects that 1, a steel screen is mainly used for supporting an external force which is acted on the shell, and 2, the composite centrifugal glass cotton is mainly used for absorbing or buffering soft composition of an electric heat tracing cable, and the foaming ceramic thermal insulation layer has a thermal insulation function.

Description

technical field [0001] The invention relates to the field of pipe materials, in particular to a non-combustible and anti-stepping composite thermal insulation pipe. Background technique [0002] Existing similar products are centrifugal ductile iron pipes, which are cast iron pipes, and cast iron pipes are used for water supply, drainage and gas transmission pipelines. But it does not have the functions of non-combustibility and heat preservation. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a non-combustible and high-strength non-combustible and anti-stepping composite thermal insulation pipe with thermal insulation effect. [0004] The non-combustible and anti-stepping composite thermal insulation pipe of the present invention comprises a centrifugal ductile iron pipe body and an electric heating copper wire, and a composite centrifugal glass wool, a foamed ceramic insulation layer and an aluminum plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/14F16L59/02F16L53/00
Inventor 赵际顺孙成良汪志辉李萌谢洁赵东明韩志刚刘淼刘建奎赵辰
Owner 中铁电气化局集团北京建筑工程有限公司
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