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Straw lightweight insulation wall material

A technology of thermal insulation wall and straw, which is applied in the field of building thermal insulation materials, can solve the problems of potential safety hazards, foam concrete drying shrinkage, poor stability, etc., and achieve the effects of reducing environmental damage, improving thermal insulation performance, and reducing costs

Pending Publication Date: 2016-11-02
西安旭皓环保科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polystyrene, as an insulation material, has very serious safety hazards.
Therefore, how to combine crop straw fibers with foam concrete to solve the shortcomings of foam concrete such as drying shrinkage and poor stability, and to prepare a new type of lightweight thermal insulation wall material containing straw? Preparation methods and materials have become a research hotspot in the industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] (1) After softening, concentrating and waterproofing corn stalks to obtain plant fiber, the ratio of 40:20 with sulfoaluminate cement, aluminum slag powder, stearic acid, and expanded perlite powder with a compressive strength of 45Mpa for 3 days :5:5:7 mixed, weighed and put into the mixing tank for mixing;

[0010] (2) Then add 90ml sodium cetyl sulfonate foaming agent, foam in a liquid / gas mixer, and after standing still, add a naphthalene-based water reducing agent and stir, then dry, saw, and The surface is sprayed and dried to prepare the straw light-weight thermal insulation wall material.

Embodiment 2

[0012] (1) After softening, concentrating, and waterproofing corn stalks to obtain plant fiber, the ratio is 45:0 with sulfoaluminate cement, aluminum slag powder, stearic acid, and expanded perlite powder with a compressive strength of 45Mpa for 3 days. :12:15:20 mixed, weighed and put into the mixing tank for mixing;

[0013] (2) Then add 170ml sodium cetyl sulfonate foaming agent, foam in a liquid / gas mixer, and after standing still, add a naphthalene-based water reducing agent and stir, then dry, saw, and The surface is sprayed and dried to prepare the straw light-weight thermal insulation wall material.

[0014] After inspection, the technical indicators of the obtained product are: strength of 5Mpa, thermal conductivity of less than 0.02W / m·k, average pore diameter of about 0.1mm, and bulk density of 0.2g / cm3.

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PUM

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Abstract

Straw light-weight thermal insulation wall material, including: after softening, concentrating and waterproofing the straw to obtain plant fibers, mix it with sulphoaluminate cement, aluminum slag powder, stearic acid and expanded perlite powder in proportion, and weigh the Put it into the mixing tank for stirring, then add foaming agent, foam in the liquid / gas mixer, after standing still, add water reducing agent and stir, then dry, saw, surface spray, and dry. The straw lightweight thermal insulation wall material is prepared. The straw light insulation wall material provided by the invention adopts plant fiber, which can improve the insulation performance of the material, make full use of natural waste, reduce the cost, and reduce the damage to the environment. At the same time, with expanded perlite powder, it can improve its heat preservation and heat insulation performance.

Description

Technical field [0001] The invention relates to the field of building thermal insulation materials, in particular to straw light-weight thermal insulation wall materials. Background technique [0002] In terms of building energy efficiency, according to statistical analysis, about 36% of my country's annual energy consumption is used for indoor heating or cooling. Current insulation materials are mainly polystyrene, which accounts for 99% of the existing insulation materials. However, polystyrene as an insulation material has serious safety hazards. Therefore, in combination with the rich resources of rice straw in my country, how can we combine crop straw fibers with foam concrete to solve the shortcomings of foam concrete such as drying shrinkage and poor stability, and prepare a new type of straw-containing lightweight insulation wall material Preparation methods and materials have become a hot spot in the industry. Summary of the invention [0003] In order to solve the abov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/06C04B18/24
Inventor 赵雅萱
Owner 西安旭皓环保科技有限责任公司