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Environmental-protection baking-free sandstone brick and its manufacturing method

A kind of sandstone and environmental protection technology, applied in the field of building bricks, can solve the problems of difficult scale production and shortage, and achieve the effects of protecting vegetation, saving energy and reducing three wastes

Inactive Publication Date: 2005-05-11
李忠金
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the increasing shortage of raw material river sand, it is difficult to produce on a large scale

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] (1) Sandstone is pulverized and sieved;

[0013] (2) Stir 100 parts of crushed and sieved sandstone, 0.01 part of calcium carbonate, 2 parts of silicate, 0.001 part of alumina, 4 parts of quicklime and 0.1 part of silicon dioxide, and then add 0.3 part of adhesive and 5 parts of water Stir evenly and set aside;

[0014] (3) After 1 hour, take the material and pressurize it, and pressurize it with a 60-100T brick making machine;

[0015] (4) Turn the molding into natural curing for 14 days, and it can be used after testing and meeting the relevant national industry standards.

Embodiment 2

[0017] (1) Sandstone is pulverized and sieved;

[0018] (2) Stir 100 parts of crushed and sieved sandstone, 0.03 part of calcium carbonate, 5 parts of silicate, 0.003 part of alumina, 5 parts of quicklime and 0.3 part of silicon dioxide, and then add 0.5 part of adhesive and 6 parts of water Stir evenly and set aside;

[0019] (3) After 1 hour, take the material and pressurize it, and pressurize it with a 60-100T brick making machine;

[0020] (4) The molded bricks are naturally cured for 14 days, and can be used after being tested to meet the relevant national industry standards.

Embodiment 3

[0022] (1) Sandstone is pulverized and sieved;

[0023] (2) Stir 100 parts of crushed and sieved sandstone, 0.05 part of calcium carbonate, 12 parts of silicate, 0.005 part of alumina, 8 parts of quicklime and 0.5 part of silicon dioxide, and then add 0.6 part of adhesive and 7 parts of water Stir evenly and set aside;

[0024] (3) After 1 hour, take the material and pressurize it, and pressurize it with a 60-100T brick making machine;

[0025] (4) The molded bricks are naturally cured for 14 days, and can be used after being tested to meet the relevant national industry standards.

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Abstract

The invention relates to an unfired sandstone brick and a manufacturing method thereof, which is made of the following raw materials in weight ratio: sandstone sand 100, sodium silicate 2-8, calcium carbonate 0.01-0.05, aluminum oxide 0.001-0.005, calcium oxide 4-8, silicon dioxide 0.1-0.4 and adhesive 0.3-0.6, the production method is to mix the above-mentioned raw materials according to the proportion, pressurize and form after 1 hour, press and press with a 60-100T brick making machine; natural conservation 14 Days, it can be used after passing the relevant national industry standard inspection. The invention does not use traditional clay, avoids vegetation damage caused by large-scale excavation, has the environmental protection significance of preventing soil erosion and protecting vegetation, reduces the generation of three wastes, saves energy, has low cost, and has good economic value. In terms of compression resistance, flexural resistance and aging resistance, it meets the standards of non-fired bricks 10 and 15, and it meets national regulations in terms of acid and alkali resistance, water resistance and frost resistance.

Description

technical field [0001] The invention relates to building bricks, in particular to a surrounding unfired sandstone brick and a manufacturing method thereof. Background technique [0002] At present, most of the bricks used for walls in the construction industry are fired clay bricks. Large-scale excavation of clay will cause vegetation damage and serious soil erosion. At the same time, fired bricks will also produce three wastes. The Chinese patent "Invention Patent Bulletin" on November 8, 2000 disclosed a kind of environment-friendly burnt-free sand brick and its preparation method (publication number: CN12772467A). The machine is pressed under a certain pressure, and then kept in water at room temperature for 3-10 days, and after natural drying, the finished product is obtained. However, due to the increasing shortage of raw material river sand, it is difficult to produce on a large scale. Contents of the invention [0003] The object of the present invention is to pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26
CPCC04B28/26
Inventor 李忠金
Owner 李忠金
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