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A fire-proof and heat-preserving silicate wall material and its preparation method

A wall material, fireproof and thermal insulation technology, applied in the field of wall materials, can solve the problems of low shear strength and single function.

Inactive Publication Date: 2016-08-24
深圳市金润建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention discloses a fire-proof and heat-retaining silicate wall material and a preparation method thereof in order to solve the problems of low shear force resistance and single function of the silicate wall material in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The fireproof and heat-retaining silicate wall material is made according to the following raw material proportions by weight: 30 parts of Portland cement, 15 parts of aggregate, 30 parts of white cement, 15 parts of gypsum, 10 parts of natural vermiculite, and 12 parts of seaweed powder , 15 parts of high alumina cement, 10 parts of calcium carbonate, 1 part of polyvinyl alcohol, 1 part of calcium lignosulfonate, 2 parts of superplasticizer, and 35 parts of water. The preparation method is to crush Portland cement, white cement, gypsum, natural vermiculite, seaweed powder, high alumina cement, calcium carbonate, calcium lignosulfonate to 400 mesh, spray water while stirring, and the speed is 800 rpm Minutes; add aggregate, polyvinyl alcohol, and high-efficiency water reducer to mix thoroughly, press 22MPa under high pressure, and let stand for 2 hours at a temperature of 85°C; finally autoclave curing, the steam temperature is 182.5°C, and the pressure range is controll...

Embodiment 2

[0021] The fireproof and heat-retaining silicate wall material is made according to the following raw material proportions by weight: 35 parts of Portland cement, 18 parts of aggregate, 35 parts of white cement, 20 parts of gypsum, 15 parts of natural vermiculite, and 15 parts of seaweed powder , 20 parts of high alumina cement, 15 parts of calcium carbonate, 2 parts of polyvinyl alcohol, 2 parts of calcium lignosulfonate, 3 parts of superplasticizer, 40 parts of water. The preparation method is to crush Portland cement, white cement, gypsum, natural vermiculite, seaweed powder, high alumina cement, calcium carbonate, calcium lignosulfonate to 350 mesh, spray water while stirring, and the speed is 850 rpm Minutes; add aggregate, polyvinyl alcohol, and high-efficiency water reducer to mix thoroughly, press 25MPa under high pressure, and let stand for 2.5 hours at a temperature of 90°C; finally autoclave curing, the steam temperature is 185°C, and the pressure range is controlled...

Embodiment 3

[0024] The fireproof and thermal insulation silicate wall material is made according to the following raw material proportions by weight: 40 parts of Portland cement, 20 parts of aggregate, 40 parts of white cement, 20 parts of gypsum, 15 parts of natural vermiculite, and 20 parts of seaweed powder , 20 parts of high alumina cement, 20 parts of calcium carbonate, 4 parts of polyvinyl alcohol, 4 parts of calcium lignosulfonate, 4 parts of superplasticizer, and 45 parts of water. The preparation method is to crush Portland cement, white cement, gypsum, natural vermiculite, seaweed powder, high alumina cement, calcium carbonate, calcium lignosulfonate to 300 mesh, spray water while stirring, and the speed is 900 rpm Minutes; add aggregate, polyvinyl alcohol, high-efficiency water reducer and mix thoroughly, press 27MPa high-pressure molding, and let stand for 3 hours at a temperature of 95°C; finally autoclave curing, the steam temperature is 191°C, and the pressure range is contr...

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PUM

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Abstract

The invention discloses a fire-proof and heat-insulating silicate wall material and a preparation method thereof. The fire-proof and heat-insulating silicate wall material is prepared according to the following raw material weight parts: 30-55 parts of Portland cement, 15 parts of aggregate -30 parts, white cement 30-55 parts, gypsum 15-35 parts, natural vermiculite 10-25 parts, sea vegetable powder 12-35 parts, high alumina cement 15-35 parts, calcium carbonate 10-25 parts, polyvinyl alcohol 1-10 parts, calcium lignosulfonate 1-10 parts, superplasticizer 2-10 parts, water 35-60 parts. The preparation method is as follows: Portland cement, white cement, gypsum, natural vermiculite, seaweed powder, high alumina cement, calcium carbonate and calcium lignosulfonate are pulverized to 200-400 mesh, and water is sprayed while stirring; , polyvinyl alcohol, and high-efficiency water reducing agent are fully mixed, and the fireproof and thermal insulation silicate wall material can be obtained after high-pressure compression molding, standing and autoclave curing.

Description

technical field [0001] The invention relates to wall materials, in particular to a fireproof and thermal insulation silicate wall material and a preparation method thereof. Background technique [0002] The new generation of autoclaved silicate bricks is becoming more and more recognized as a new type of wall material. The product "eats" a large amount of ash, and its external dimensions conform to the current building modulus. It has superior physical and mechanical properties, and a wide range of strength grades. It can be used as load-bearing and non-load-bearing wall materials, and is convenient for popularization and application. With the innovation of wall materials, energy saving and emission reduction, and the strengthening of "no sticking", autoclaved fly ash bricks will become a better substitute product. However, due to the "two-layer skin" phenomenon that building materials products and architectural applications are disconnected from each other, the low require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06C04B14/20C04B14/28C04B24/18
Inventor 胡刚
Owner 深圳市金润建设工程有限公司