Preparation process for fluorite slag-containing aerated brick

A technology of fluorite slag and preparation process, applied in ceramic products, climate sustainability, sustainable waste treatment, etc., can solve the problems of low strength of aerated bricks, achieve environmental protection, improve frost resistance, and reduce energy consumption Effect

Active Publication Date: 2013-01-16
深圳市嘉能新型环保建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength of aerated bricks made of conventional aerated concrete is generally low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A process for preparing an aerated brick whose raw material contains fluorite slag, comprising the following steps:

[0023] (1) Mix 10kg of calcium carbonate, 5kg of fluorite slag, 2kg of shell powder, 3kg of volcanic rock powder, and 4kg of coal gangue powder, burn them at 700°C for 4 hours, grind them into nano-powders, and mix them into powders equivalent to the weight of the powders Stir 1% epoxy octyl stearate and 2% dioctyl maleate evenly, dry and pulverize into powder to obtain modified nano-powder;

[0024] (2) Weigh the blast furnace slag powder and gypsum according to the weight ratio, add an appropriate amount of water, stir and mix at 1000rpm for 3 minutes, grind to obtain the blast furnace slag powder gypsum mixed slurry, and then add the aerated brick according to the weight ratio to prepare the required The remaining raw materials were stirred and mixed for 5 minutes at 2000 rpm to obtain a mixed slurry;

[0025] The weight ratio of each raw material of...

Embodiment 2

[0032] A process for preparing an aerated brick whose raw material contains fluorite slag, comprising the following steps:

[0033] (1) Mix 12kg of calcium carbonate, 4kg of fluorite slag, 1kg of shell powder, 3kg of volcanic rock powder, and 6kg of coal gangue powder, burn them at 650°C for 5 hours, grind them into nano-powders, and mix them into powders equivalent to the weight of the powders Stir 2% epoxy octyl stearate and 2% dioctyl maleate evenly, dry and pulverize into powder to obtain modified nano powder;

[0034] (2) Weigh the blast furnace slag powder and gypsum according to the weight ratio, add an appropriate amount of water, stir and mix at 1000rpm for 3 minutes, grind to obtain the blast furnace slag powder gypsum mixed slurry, and then add the aerated brick according to the weight ratio to prepare the required The remaining raw materials were stirred and mixed for 5 minutes at 2500 rpm to obtain a mixed slurry;

[0035] The weight ratio (kg) of each raw materi...

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PUM

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Abstract

The invention discloses a preparation process for a fluorite slag-containing aerated brick. The process comprises the following steps of: weighing blast furnace slag powder and gypsum in a weight ratio; adding an appropriate amount of water, stirring and mixing at the speed of 700 to 1,000rpm for 2 to 3 minutes, and grinding to obtain blast furnace slag powder and gypsum mixed slurry; adding fluorite slag-containing modified nano powder and other residual raw materials required by preparing the aerated brick in a weigh ratio, and stirring and mixing at the speed of 2,000 to 2,800rpm for 3 to 5 minutes; pouring the obtained mixed slurry into a mould and forming, precuring at the temperature of between 40 and 50 DEG C for 1 to 3 hours; demoulding; lifting to a cutting part and cutting to obtain a brick blank; and putting the brick blank in a reaction kettle and performing autoclaved curing, and putting in storage. The raw materials are mixed according to an optimized formula; and the intensity and the freezing resistance of the brick are improved obviously.

Description

technical field [0001] The invention relates to the field of brick preparation technology, in particular to a preparation technology of an aerated brick whose raw material contains fluorite slag. Background technique [0002] Air-entrained concrete is a new type of wall building material. It is unique in that it is a very lightweight new type of building wall material for thermal insulation. The air-entrained concrete technology started a hundred years ago, and my country's technology started relatively late, 40 years behind foreign countries. However, the development of my country's air-entrained concrete industry is indeed very rapid. Now the technical level of domestic air-entrained concrete technology has reached the international advanced level. [0003] The biggest advantage of aerated concrete is that it saves land resources and does not need to waste a lot of cultivated land. Moreover, its raw materials come from a wide range of sources. Ash sand, slag, blast furnac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B38/02C04B18/12
CPCY02W30/91
Inventor 晋元龙陈德全
Owner 深圳市嘉能新型环保建材有限公司
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