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Composite thermal insulation material and thermal insulation method

A technology of composite thermal insulation material and thermal insulation layer, applied in thermal insulation, chemical instruments and methods, pipeline protection and other directions, can solve the problems of limited application scope, attenuation of thermal insulation effect, and high cost of thermal insulation materials, achieving wide application prospects and reducing thermal insulation. Cost, simple installation effect

Active Publication Date: 2017-06-20
DATANG INT POWER GENERATION +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a composite thermal insulation material and a thermal insulation method, which are used to solve technical defects in the prior art such as high cost of thermal insulation materials, obvious attenuation of thermal insulation effect, limited application range, etc.

Method used

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Embodiment 1

[0038]The composite thermal insulation material in this embodiment is an inner thermal insulation layer, an isolation layer, an outer thermal insulation layer and a protective layer arranged sequentially from inside to outside. The inner insulation layer is set in two layers, and each inner insulation layer is a transition layer and a calcium silicate insulation layer arranged in sequence from the inside to the outside, and the transition layer is a felt layer and a polycrystalline fiber layer arranged in sequence from the inside to the outside; the isolation layer is made of The polycrystalline fiber layer and the flame-retardant mastic layer are arranged in sequence from the inside to the outside, the outer insulation layer is an airgel layer and a polycondensate foam glass layer arranged in sequence from the inside to the outside, and the protective layer includes polycrystalline fibers arranged in sequence from the inside to the outside layer and aluminum sheet layer.

[0...

Embodiment 2

[0042] The composite thermal insulation material in this embodiment is an inner thermal insulation layer, an isolation layer, an outer thermal insulation layer and a protective layer arranged sequentially from inside to outside. The inner insulation layer is set in two layers, and each inner insulation layer is a transition layer and a calcium silicate insulation layer arranged in sequence from the inside to the outside, and the transition layer is a felt layer and a polycrystalline fiber layer arranged in sequence from the inside to the outside; the isolation layer is made of The polycrystalline fiber layer and the flame-retardant mastic layer are arranged in sequence from the inside to the outside, the outer insulation layer is an airgel layer and a polycondensate foam glass layer arranged in sequence from the inside to the outside, and the protective layer includes polycrystalline fibers arranged in sequence from the inside to the outside layer and aluminum sheet layer.

[...

Embodiment 3

[0046] The composite thermal insulation material in this embodiment is an inner thermal insulation layer, an isolation layer, an outer thermal insulation layer and a protective layer arranged sequentially from inside to outside. The inner insulation layer is set as one layer, and each inner insulation layer is a transition layer and a calcium silicate insulation layer arranged in sequence from the inside to the outside, and the transition layer is a felt layer and a polycrystalline fiber layer arranged in sequence from the inside to the outside; the isolation layer is composed of The polycrystalline fiber layer and the flame-retardant mastic layer are arranged in sequence from the inside to the outside, the outer insulation layer is an airgel layer and a polycondensate foam glass layer arranged in sequence from the inside to the outside, and the protective layer includes polycrystalline fibers arranged in sequence from the inside to the outside layer and aluminum sheet layer. ...

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Abstract

The invention provides a composite insulation material and an insulation method thereof. The composite insulation material comprises an inner insulation layer, an isolation layer, more than one outer insulation layer and a protective layer arranged in order from inside to outside. The inner insulation layer comprises a transitional layer and a calcium silicate insulating layer arranged in order from inside to outside. The transitional layer is a felt layer and / or a polysilicon fiber layer. The isolation layer comprises a polysilicon fiber layer and a flame-retardant stone mastic asphalt layer arranged in order from inside to outside. The outer insulation layer comprises an aerosol layer and a multi-condensation foam glass layer arranged in order from inside to outside. The composite insulation material is low in cost, small in size and light in weight, has good, lasting insulation effect and is widely applicable.

Description

technical field [0001] The invention relates to a thermal insulation material, in particular to a composite thermal insulation material and a thermal insulation method. Background technique [0002] There are many equipment and steam heat pipe networks involved in the fields of electric power and chemical industry. At present, traditional insulation materials such as rock wool, aluminum silicate, and glass wool are mainly used for insulation of these equipment and pipelines. However, the insulation effect of these materials is poor, especially The thermal insulation effect shows obvious attenuation with climate change, and the timeliness of thermal insulation is low. Therefore, it is urgent to develop new thermal insulation materials, so as to save costs, reduce heat loss and coal consumption to the greatest extent. [0003] With the increasing shortage of bauxite resources in my country, the use of high-alumina fly ash, coal gangue and other industrial solid wastes to extra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L59/02B32B9/02B32B9/04B32B11/04B32B15/20B32B17/06B32B33/00B32B37/02
CPCB32B9/005B32B9/02B32B9/04B32B15/20B32B17/00B32B33/00B32B37/02B32B2255/02B32B2255/20B32B2262/08B32B2262/10B32B2262/105B32B2266/04B32B2307/304B32B2307/3065B32B2307/308B32B2307/552B32B2307/56B32B2307/718B32B2307/72B32B2307/7242B32B2307/7246B32B2307/7265B32B2307/752B32B2311/24B32B2315/00B32B2315/02B32B2315/08B32B2317/10F16L59/029
Inventor 孙俊民陈刚徐鹏张战军王成海
Owner DATANG INT POWER GENERATION
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