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Light red mud brick and its making process

A light-weight brick and red mud technology, which is applied in the field of wall building materials and its preparation, can solve the problems of high cost and achieve the effects of low production cost, reasonable formula, and easy-to-master preparation method

Inactive Publication Date: 2007-08-22
贵阳白云耀筑新型建筑材料厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few technical schemes for making building bricks with red mud, and the sintering method is basically used; although these schemes can make full use of red mud, they will inevitably produce a large amount of harmful sulfur dioxide during the firing process. gas, which has reduced the pollution of the environment caused by waste from aluminum factories on the one hand, and on the other hand, the harmful gas produced in the process of burning bricks has caused pollution to the environment again; in addition, the cost of making bricks by sintering is also high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1. Red mud lightweight bricks are made of the following raw materials and water;

[0017] Red mud 400Kg, fly ash 420Kg,

[0018] Lime 120Kg, silica sand 60Kg;

[0019] Prepare as follows.

[0020] a. Add water and mix the above-mentioned raw materials, press them into bricks, and obtain product A;

[0021] b. After curing product A with steam for 8 hours, the finished product is obtained.

[0022] Ordinary yellow sand can be used for silica sand. The finished product can be used as wall brick for construction.

Embodiment 2

[0023] Example 2. Red mud lightweight bricks are made of the following raw materials and water;

[0024] Red mud 250Kg, fly ash 600Kg,

[0025] Lime 100Kg, silica sand 50Kg;

[0026] Prepare as follows.

[0027] a. Add water and mix the above-mentioned raw materials, press them into bricks, and obtain product A;

[0028] b. After curing product A with steam for 9 hours, the finished product is obtained. The finished product can also be used as wall bricks for construction.

Embodiment 3

[0029] Example 3. Red mud lightweight bricks are made of raw materials with the following weight ratio and water;

[0030] Red mud 250Kg, fly ash 550Kg,

[0031] Lime 100Kg, silica sand 50kg,

[0032] Phosphorus slag 50Kg;

[0033] Prepare as follows.

[0034] a. Add water and mix the above-mentioned raw materials, press them into bricks, and obtain product A;

[0035] b. After curing product A with steam for 9 hours, the finished product is obtained. The finished product can also be used as wall bricks for construction.

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Abstract

The present invention is light red mud brick and its making process. The red mud brick is made with red mud 15-50 weight portions, fly ash 35-70 weight portions, lime 8-12 weight portions and silica sand 4-6 weight portions, and through making adobe and steam curing. The making process is simple and environment friendly, and the product has low cost, light weight and high strength.

Description

technical field [0001] The invention relates to a wall building material and a preparation method thereof, in particular to a lightweight wall brick prepared from industrial waste red mud and fly ash. Background technique [0002] Red mud is the waste discharged from the production of alumina in aluminum factories, and fly ash is the waste discharged from thermal power plants. These wastes discharged from aluminum factories and power plants not only need to occupy land for stacking, but also pollute the environment. Therefore, how to use these wastes to increase production resources while reducing pollution has become a concern of people. At present, there are many technical solutions for making building bricks using fly ash as a raw material, so the treatment of fly ash is relatively good. However, there are few technical schemes for making building bricks with red mud, and the sintering method is basically used; although these schemes can make full use of red mud, they wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/132C04B33/135
CPCY02P40/60
Inventor 赖跃筑
Owner 贵阳白云耀筑新型建筑材料厂
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