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Waste earth and coal gangue fired hollow brick

A coal gangue and hollow brick technology, which is applied in the field of waste soil coal gangue sintered hollow bricks, can solve problems such as biological hazards, dust generation, air pollution, etc., and achieve the effects of stable internal quality, improved building functions, and reduced pollution

Inactive Publication Date: 2016-06-15
JINZHAI GAOFENG NEW BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a large amount of fly ash is not treated, it will generate dust and pollute the atmosphere; if it is discharged into the water system, it will cause river silting, and the toxic chemicals in it will also cause harm to humans and organisms

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A waste soil coal gangue sintered hollow brick, made of the following components by weight: 40% of silt, 25% of waste stone powder, 20% of coal gangue, 0.5% of plant straw powder, 3% of modified ceramic powder, 3% of sea mud, Colored stone sand 1.5%, purple sand 1.5%, polyurethane powder 0.5%, wood plastic powder 0.5%, aluminum silicate fiber 1.5%, borax 1.5%, sepiolite powder 0.5%, carbon fiber 0.5%, kaolin 0.5%.

[0032] The preparation method of above-mentioned modified ceramic powder is as follows:

[0033] (1) Weigh micron Al according to the weight ratio of 1-3:1-5 2 o 3 and nano TiC powder;

[0034] (2) For the weighed Al 2 o 3 and TiC powder with anhydrous ethanol as the dispersion medium, wherein the mass ratio of powder to ethanol is 1:30, and ultrasonically dispersed on an ultrasonic cleaning machine for 1 hour;

[0035] (3) Put the ultrasonically dispersed mixture into a nylon ball mill tank, use agate balls as grinding balls, and the mass ratio of ball...

Embodiment 2

[0046] A waste soil coal gangue sintered hollow brick, made of the following components by weight: 40% of silt, 25% of waste stone powder, 20% of coal gangue, 0.5% of plant straw powder, 3% of modified ceramic powder, 3% of sea mud, Colored stone sand 1.5%, purple sand 1.5%, polyurethane powder 0.5%, wood plastic powder 0.5%, aluminum silicate fiber 1.5%, borax 1.5%, sepiolite powder 0.5%, carbon fiber 0.5%, kaolin 0.5%.

[0047]The processing method of above-mentioned plant straw powder is as follows:

[0048] (1) Collect plant stalks, cut them into sections, and send them to drying equipment for drying treatment until the moisture content is within 20%, and the drying temperature is controlled at 60-70°C;

[0049] (2) Send the dried plant stalks into a kneading machine for kneading treatment, and perform water spraying treatment while kneading;

[0050] (3) After the kneading is completed, dry it again until the moisture content is within 10%, and then send it to a low-temp...

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Abstract

A waste earth and coal gangue fired hollow brick is characterized by being made from the following components according to parts by weight: 40% of sludge, 25% of waste rock flour, 20% of coal gangue, 0.5% of plant straw powder, 3% of modified ceramic powder, 3% of sea mud, 1.5% of colored stone sand, 1.5% of violet sand, 0.5% of polyurethane powder, 0.5% of wood-plastic powder, 1.5% of aluminum silicate fiber, 1.5% of borax, 0.5% of sepiolite powder, 0.5% of carbon fiber, and 0.5% of kaolin.It is possible to save consumption of raw materials and ensure intrinsic quality stability of a formed blank; forming pressure is high, and blank strength is high; self-heat of the coal gangue is used in combustion, saving energy and reducing pollution; the coal gangue hollow brick produced by the process of the invention reduces self-weight of a building structure, improves building functionality and has good thermal insulation and acoustic insulation.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a hollow brick sintered with waste soil and coal gangue. Background technique [0002] Coal gangue is one of the largest industrial solid wastes in China. Moreover, the annual discharge of coal gangue is equivalent to about 10% of the coal production in that year. The annual emission rate will be greater than 160 million tons. Stacking coal gangue not only takes up a lot of land, but also pollutes the environment and affects people's lives and health. In addition, the spontaneous combustion of coal gangue can release a variety of harmful gases, etc., and at the same time it is accompanied by a large amount of smoke and dust and has the risk of explosion. Therefore, the spontaneous combustion of coal gangue has different degrees of impact on the surrounding atmospheric environment, human health, and animal and plant growth. Fly ash is one of the largest industrial w...

Claims

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Application Information

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IPC IPC(8): C04B33/36C04B33/132C04B33/13
CPCC04B33/13C04B33/132C04B33/1321C04B33/1324C04B33/36C04B35/62605C04B35/6261C04B2235/3201C04B2235/3217C04B2235/3409C04B2235/3843C04B2235/5228C04B2235/5248C04B2235/5436C04B2235/5454Y02P40/60
Inventor 赵晓东马鹏罗顺东王兴兰蒋高阳褚俊良
Owner JINZHAI GAOFENG NEW BUILDING MATERIAL CO LTD
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