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Environment-friendly water-resistant shale hollow brick and preparation method thereof

A water-resistant, hollow brick technology, applied in the field of building materials, can solve the problems of inability to meet social needs, low water absorption, high cost, and achieve the effects of reducing the amount of cement used, strong water absorption, and light finished product.

Inactive Publication Date: 2017-12-12
徐州市恒基伟业建材发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mainstream shale hollow brick cement currently on the market requires a large amount of cement, high cost, and poor water absorption, which cannot meet social needs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An environment-friendly water-resistant shale hollow brick, which is composed of the following raw materials in parts by weight: 28 parts of purple sand shale, 32 parts of coal gangue, 4.5 parts of fluorite tailings, 18 parts of iron shale, 4 parts of rock sand crystals, pottery 12 parts of grain, 4 parts of asbestos powder, 6 parts of sepiolite powder, 6 parts of alumina, 3 parts of silicon carbide, 2.5 parts of titanium dioxide, 5 parts of crop straw powder, 2 parts of glass fiber, 12 parts of superabsorbent resin, 2.5 parts of wood cellulose 5 parts, 5 parts of anti-corrosion coating.

[0027] Wherein, the crop straw powder is prepared by the following method:

[0028] (1) Collect crop stalks, cut into sections, and dry until the moisture content is within 20%, and the drying temperature is controlled at 60-70°C;

[0029] (2) sending the dried crop stalks into a kneading machine for kneading treatment, and performing water spraying treatment while kneading;

[0030...

Embodiment 2

[0043] An environment-friendly water-resistant shale hollow brick, which is composed of the following raw materials in parts by weight: 26 parts of purple sand shale, 30 parts of coal gangue, 4 parts of fluorite tailings, 15 parts of iron shale, 3 parts of rock sand crystal, pottery 8 parts of grain, 3 parts of asbestos powder, 5 parts of sepiolite powder, 5 parts of alumina, 2 parts of silicon carbide, 1.5 parts of titanium dioxide, 4 parts of crop straw powder, 1 part of glass fiber, 8 parts of superabsorbent resin, 1.5 parts of lignocellulose 4 parts, 4 parts of anti-corrosion coating.

[0044] The preparation process of the crop stalks is the same as in Example 1.

[0045] The preparation process of the environment-friendly water-resistant shale hollow brick is the same as that in Example 1.

[0046] The performance test of the hollow brick described in this embodiment is as follows: compressive strength 13.11Mpa, shrinkage value 0.3mm / m, frost resistance mass loss rate 4...

Embodiment 3

[0048]An environment-friendly water-resistant shale hollow brick, which is composed of the following raw materials in parts by weight: 30 parts of purple sand shale, 35 parts of coal gangue, 5 parts of fluorite tailings, 20 parts of iron shale, 5 parts of rock sand crystal, pottery 15 parts of grain, 5 parts of asbestos powder, 8 parts of sepiolite powder, 7 parts of alumina, 4 parts of silicon carbide, 4 parts of titanium dioxide, 6 parts of crop straw powder, 3 parts of glass fiber, 15 parts of superabsorbent resin, 3 parts of wood cellulose 6 parts, 6 parts of anti-corrosion coating.

[0049] The preparation process of the crop stalks is the same as in Example 1.

[0050] The preparation process of the environment-friendly water-resistant shale hollow brick is the same as that in Example 1.

[0051] The performance test of the hollow brick described in this embodiment is as follows: compressive strength 13.24Mpa, shrinkage value 0.3mm / m, frost resistance mass loss rate 4.1...

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Abstract

The invention discloses an environment-friendly water-resistant shale hollow brick and a preparation method thereof. The hollow brick is prepared from the following raw materials in parts by weight: 26 to 30 parts of purple sand shale, 30 to 35 parts of coal gangue, 4 to 5 parts of fluorite tailings, 15 to 20 parts of ferruginous shale, 3 to 5 parts of rock sand crystals, 8 to 15 parts of ceramsite, 3 to 5 parts of asbestos powder, 5 to 8 parts of sepiolite powder, 5 to 7 parts of aluminum oxide, 2 to 4 parts of silicon carbide, 1.5 to 4 parts of titanium dioxide, 4 to 6 parts of crop straw powder, 1 to 3 parts of glass fiber, 8 to 15 parts of super absorbent resin, 1.5 to 3 parts of lignocellulose and 4 to 6 parts of anticorrosive paint. The raw materials are respectively subjected to crushing, dry mixing, wet mixing, aging, forming, painting, drying and daily maintenance to obtain a finished product. The wastes are used for being made into the hollow brick, so that the cost is reduced; the environment pollution is reduced; the prepared finished product has high water absorbing rate and excellent comprehensive performance.

Description

technical field [0001] The invention belongs to the field of building materials, and relates to a shale hollow brick, in particular to an environment-friendly and water-resistant shale hollow brick and a preparation method thereof. Background technique [0002] Hollow brick is the main wall material commonly used in the construction industry. Due to its advantages of light weight, high strength, heat preservation, and good sound insulation and noise reduction performance, it has become the first product recommended by the national construction department. Hollow bricks are made of clay, shale, etc. as the main raw materials, after raw material processing, molding, and sintering. The types of hollow bricks mainly include shale hollow bricks, sintered hollow bricks, clay hollow bricks, etc. Among them, the shale hollow bricks are made of shale as the main body, adding coal gangue, cement as the sticky substance, and mechanically pressurized. Material. [0003] With the devel...

Claims

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Application Information

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IPC IPC(8): C04B38/08C04B30/02C09D167/00C09D5/10C09D7/12
CPCC04B30/02C04B2111/40C04B2201/50C08K3/04C08K7/10C08K13/04C08K2003/0812C08K2003/2206C08K2003/2296C08K2201/011C09D5/103C09D167/00C04B18/12C04B18/027C04B14/40C04B14/303C04B14/042C04B14/305C04B14/324C04B14/42C04B18/24C04B24/24C04B18/26C04B2103/67C04B38/08
Inventor 丁德峰
Owner 徐州市恒基伟业建材发展有限公司
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