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Foamed concrete material and its application

A technology of foam concrete and concrete, applied in the field of foam concrete materials, can solve the problems of high raw material cost, production limitation, source limitation, etc., and achieve the effect of good quality and high strength

Inactive Publication Date: 2006-08-30
王亦德
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, with the rapid development of the construction industry and the requirements of construction quality, lightweight building materials are gradually accepted by the market. The advantages of lightweight building materials are light weight, heat preservation, and also have effects such as sound insulation and fire prevention. Generally, cementitious materials, fillers, blending agents, and foaming agents are used. The cost of raw materials for original lightweight building materials is relatively high. Therefore, in recent years, various research institutions and construction manufacturers have been looking for alternative raw materials. At present, the mature filler is also the main material. Most of the used is fly ash, but with the rapid development of lightweight building materials, the source and use of fly ash are limited to a certain extent, so the production is limited to a certain extent, how to find other sources of fillers to produce high-quality High-quality and cheap lightweight building materials have become an urgent problem to be solved for lightweight building materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 The apparent density of the product foam concrete is about (300-500 kg / m3), and the thermal conductivity is about 0.082-0.186W / (m-K)

[0022] A kind of foamed concrete material, described foamed concrete material component comprises magnesium oxide and magnesium chloride solution for commercially available construction industry, stone powder is the waste after the construction industry processes stone, foaming agent (concrete foaming agent CCW-95, China Construction The special foaming agent for functional foam concrete developed by the Institute of Materials Science) The weight ratio of the components is magnesia 24, magnesium chloride solution 24, stone powder 50, foaming agent 2;

[0023] Its application method is that the components are mixed, stirred and foamed, shaped and maintained to become a porous, lightweight, heat-preserving, heat-insulating and sound-absorbing material—foamed concrete.

Embodiment 2

[0025] A kind of foam concrete material, described foam concrete material component comprises magnesium oxide, magnesium chloride solution, mineral powder, foaming agent, and the weight ratio of described component is magnesium oxide 24, magnesium chloride solution 50, mineral powder 24, foaming agent 2;

[0026] Product test results:

[0027] Compressive strength 28d≥0.40Mpa

[0028] Bending strength 28d≥0.25Mpa

[0029] Thermal conductivity≤0.08W / M·K

[0030] All the other are with embodiment 1.

Embodiment 3

[0032] A kind of foam concrete material, described foam concrete material component comprises magnesium oxide, magnesium chloride solution, mineral powder, blowing agent, and the weight ratio of described component is magnesium oxide 24, magnesium chloride solution 25, mineral powder 50, foaming agent 1; All the other are with embodiment 2.

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Abstract

The present invention relates to a foam concrete material and its application. Its main ingredients are inorganic gelation material, filling material and concrete foaming agent. The described inorganic gelation material is magnesium oxide and magnesium chloride solution, and the filling material is stone powder or mineral powder, and the weight ratio of all the ingredients is: magnesium oxide: magnesium chloride solution: filling material: foaming agent=20-50:24-50:24-50:1-2.

Description

technical field [0001] The invention relates to a lightweight building material, in particular to a foam concrete material. Background technique [0002] At present, with the rapid development of the construction industry and the requirements of construction quality, lightweight building materials are gradually accepted by the market. The advantages of lightweight building materials are light weight, heat preservation, and also have effects such as sound insulation and fire prevention. Generally, cementitious materials, fillers, blending agents, and foaming agents are used. The cost of raw materials for original lightweight building materials is relatively high. Therefore, in recent years, various research institutions and construction manufacturers have been looking for alternative raw materials. At present, the mature filler is also the main material. Most of the used is fly ash, but with the rapid development of lightweight building materials, the source and use of fly as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/30C04B14/04C04B38/02
Inventor 王亦德吴俊喜
Owner 王亦德
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