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Porous insulation board and preparation method thereof

A technology of thermal insulation board and firing temperature, applied in clay products, ceramic products, other household appliances, etc., can solve the problems of poor durability and fire resistance of EPS boards and XPS boards, easy water absorption of rock wool boards, and high construction requirements. Achieve good thermal insulation effect, high compressive and flexural strength, and low water absorption

Inactive Publication Date: 2010-08-18
WUHAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] my country's research on external wall insulation materials began in the early 1980s. After more than 20 years of development, currently more commonly used insulation materials include EPS boards, XPS boards, rock wool boards, rubber powder polystyrene particle insulation slurry, polyurethane foam, etc. Foam materials, etc. Although these materials have low thermal conductivity and good heat preservation effect, EPS board and XPS board have poor durability and fire resistance, and their strength is not high. Rock wool board is easy to absorb water, and the heat preservation performance is poor after moisture absorption. Insulation slurry and polyurethane foam materials have poor durability and have high requirements for construction

Method used

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  • Porous insulation board and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0031] A preparation method of a porous insulation board, which comprises the steps of:

[0032] 1) Raw material selection:

[0033] The particle size of iron tailings after crushing and screening is less than 75 μm; the particle size of shale after crushing and screening is less than 75 μm;

[0034] The foaming component is a mixture of coal powder and calcium phosphate, and the mass percentages of the foaming components accounted for by each raw material are: coal powder 30%, calcium sulfate 70%, and the particle size of the foaming component is less than 75 μm (after crushing and screening rear).

[0035] The fluxing component is feldspar, and the particle size of feldspar (fluxing component) after crushing and screening is less than 75 μm; the toughening component is mica, and the particle size of mica (toughening component) after crushing and screening is less than 300μm;

[0036] According to the mass percentage of each component: iron tailings: 20%, shale: 70%, foami...

Embodiment 2

[0043] A preparation method of a porous insulation board, which comprises the steps of:

[0044] 1) Raw material selection:

[0045] The particle size of iron tailings after crushing and screening is less than 75 μm; the particle size of shale after crushing and screening is less than 75 μm;

[0046]The foaming component is a mixture of calcium carbonate and silicon carbide. The mass percentages of the foaming components accounted for by each raw material are: calcium carbonate 60%, silicon carbide 40%, and the particle size of the foaming component is less than 75 μm (through crushing and screening. rear).

[0047] Feldspar is selected as the fluxing component, and the particle size of the fluxing component after crushing and screening is less than 75 μm;

[0048] The toughening component is selected from mica, and the particle size of the toughening component after crushing and screening is less than 300 μm;

[0049] According to the mass percentage of each component: iro...

Embodiment 3

[0056] A preparation method of a porous insulation board, which comprises the steps of:

[0057] 1) Raw material selection:

[0058] The particle size of iron tailings after crushing and screening is less than 75 μm; the particle size of shale after crushing and screening is less than 75 μm;

[0059] The foaming component is a mixture of calcium carbonate, coal powder and calcium phosphate. The mass percentages of the foaming components of each raw material are: 40% calcium carbonate, 30% coal powder, and 30% calcium phosphate. The diameter is less than 75 μm (after crushing and screening).

[0060] Feldspar is selected as the fluxing component, and the particle size of the fluxing component after crushing and screening is less than 75 μm;

[0061] Fluorite is selected as the toughening component, and the particle size of the toughening component after crushing and screening is less than 300 μm;

[0062] According to the mass percentage of each component: iron tailings: 40%...

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Abstract

The invention relates to a porous insulation board and a preparation method thereof. The porous insulation board is characterized in that the porous insulation board is prepared by carrying out mixing, granulating and roasting on iron tailings, shale, foaming components, fluxing components and toughening components; the raw materials comprise the following components in percentage by weight: 20-60% of the iron tailing, 30-70% of the shale, 0.5-5% of the foaming component, 3-20% of the fluxing components and 3-15% of the toughening components. The insulation board prepared by the method of the invention has high compression strength and breaking strength, low water absorption, low volume density and excellent heat insulation effect, simultaneously greatly utilizes industrial tailings, and conforms to the sustainable development requirements and building energy saving requirements of China.

Description

technical field [0001] The invention belongs to the technical field of building energy-saving new materials, and in particular relates to a porous thermal insulation board and a preparation method thereof. Background technique [0002] Over the years, the great development of my country's construction industry has greatly changed people's living standards and working conditions, and its achievements are unprecedented, which is already a consensus. However, if we compare it with the sustainable development strategy of the Party Central Committee, and compare it with the experience of developed countries in focusing on building energy conservation, we will realize that the pursuit of the number and area of ​​houses, regardless of energy waste, regardless of living thermal comfort conditions, and the impact on the atmospheric environment The pollution is actually at the cost of sacrificing resources and destroying the environment, that is, sacrificing long-term development, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/00C04B33/132C04B38/02
CPCY02P40/60
Inventor 马保国袁龙李相国蹇守卫吕阳肖慧李寿德刘媛媛
Owner WUHAN UNIV OF TECH
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