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Glazed self-insulation foamed ceramic composite wall material and preparation method thereof

A technology of foam ceramics and wall materials, which is applied to ceramic products, other household utensils, household utensils, etc., to achieve the effects of high porosity, cost reduction, and pollution reduction

Inactive Publication Date: 2011-07-06
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no literature report on the preparation of foam ceramics from steel slag for wall materials.

Method used

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  • Glazed self-insulation foamed ceramic composite wall material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1: A kind of self-insulating foam ceramic wall material, this wall material is made up of main material, binding agent and pore-forming agent, expressed with weight percentage, and main material is steel slag, fly ash, bentonite, limestone by 45% : 40%: 6%: 9% ratio composition, add 50-70ml of binder for every 200g of main material to obtain the mixture, and then add the pore-forming agent according to the volume ratio of 1: (1.2-1.5) between the mixture and the pore-forming agent agent, mixed evenly, then press-molded, and fired at 1150 ° C to obtain self-insulating foam ceramic wall materials;

[0026] The binder is a mixture of 5% polyvinyl alcohol, 10% water glass, n-butanol, and water at a volume ratio of 1:1:1:15; the pore-forming agent is polylight ball; fly ash and steel slag are Pass through a 200 mesh sieve, bentonite and limestone pass through a 200-325 mesh, and the firing temperature is 1100°C-1150°C.

Embodiment 2

[0027] Embodiment 2: basically the same as Embodiment 1, the difference is: the major ingredient of the self-insulating foam ceramic wall material is stainless steel slag, fly ash, bentonite, limestone by 50%: 35%: 8%: 7% Proportion composition; the binder is composed of 5% polyvinyl alcohol, 10% water glass, n-butanol, and water in a volume ratio of 1:1:1:18; the pore-forming agent is sawdust; fly ash, stainless steel Steel slag passes through 200-mesh sieve, bentonite and limestone pass through 200-325 mesh, and the firing temperature is 1120°C.

Embodiment 3

[0028] Embodiment 3: basically the same as Embodiment 1, the difference is: the major ingredient of the self-insulating foam ceramic wall material is stainless steel slag, fly ash, bentonite, limestone by 55%: 30%: 5%: 10% Proportion composition; the binder is composed of 5% polyvinyl alcohol, 10% water glass, n-butanol, and water in a volume ratio of 1:1:1:20; the pore-forming agent is straw powder; fly ash, The stainless steel slag passes through a 200-mesh sieve, the bentonite and limestone pass through a 200-325 mesh, and the firing temperature is 1130°C.

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Abstract

The invention relates to a glazed self-insulation foamed ceramic composite wall material and a preparation method thereof. The wall material comprises a first dense layer, a thermal insulation layer, a second dense layer and an outer glaze layer, wherein both the first dense layer and the second dense layer are the same in raw material and comprise a main material and a binding agent; the main material comprises the following components by weight percent: 45 to 55 percent of steel slag, 30 to 40 percent of fly ash, 5 to 10 percent of bentonite and 5 to 10 percent of limestone, and each 200 g of the main material is added with 50 to 70 ml of the binding agent to obtain the dense layer raw material; the thermal insulation layer comprises a first dense layer raw material and a pore-creating material; the mixed material is laid on the bottom layer of the die as the first dense layer during the preparation, and then the thermal insulation layer, the second denser layer and the glaze are laid in sequence, so as to obtain raw blanks after pressure molding; and the raw blanks are dried and put into a kiln for sintering at a high temperature. The composite wall material integrates the enclosure, thermal insulation and decoration and can be directly constructed for use, the exterior wall thermal insulation layer, exterior wall coatings, exterior wall tiles or other decorative materials are saved, the construction procedure is simplified, the construction period is effectively shortened, the construction cost is greatly reduced, and the requirements of construction industries to the composite wall material are met.

Description

technical field [0001] The invention relates to a self-insulating foam ceramic composite wall material, in particular to a glazed self-insulating foam ceramic composite wall material and a preparation method thereof. Background technique [0002] Steel slag is the industrial waste of steel plants, and the amount of steel slag produced in the steelmaking process is about 15%-20% of steel output. Taking 2008 as an example, China's steel output was about 500 million tons, and steel slag reached nearly 100 million tons. However, the utilization rate of steel slag is low. If all steel slag is discarded as industrial waste, it will occupy a very large area. In order to reduce the land occupation of waste slag and prevent environmental pollution, iron and steel enterprises are trying to explore the comprehensive utilization of steel slag in recent years. Turn waste into treasure. [0003] Fly ash is a waste discharged from coal-fired thermal power plants. In recent years, with t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B41/86
Inventor 封鉴秋谭伟李素平崔书瑾田莉李虹庆贾炎歌郭小腾郑艳贾晓林
Owner ZHENGZHOU UNIV