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SCS sub-nanometer silicon spar and preparation method thereof

A silicon crystal and sub-nano technology, applied in the field of green building materials, can solve the problems of poor utilization of industrial solid waste and low processing capacity, achieve high convenience and safety, improve resource utilization, good economic value and The effect of environmental value

Inactive Publication Date: 2020-04-10
谢贵全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the existing industrial solid waste treatment technology has low processing capacity and cannot make good use of industrial solid waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Weigh 7.5kg of drilling cuttings, 0.5kg of fluorspar, 1kg of potassium feldspar, 0.9kg of industrial heavy calcium, 0.05kg of silicon carbide, and 0.05kg of sodium metasilicate after homogenization treatment, and put the above materials into the ball mill Add 3.6kg of water, ball mill for 4 hours, control the volume ratio of the medium ball and the material to be ground to 1:2.5, then take out the slurry and pass it through an 80-mesh sieve, and then spray the slurry for granulation, and the temperature of the spray drying tower is 400-650°C , to obtain a spray granulation powder with a moisture content of 5% and an angle of repose of 42°D50≤40 mesh. Put the granulated material into the combined cordierite-mullite mold, put the mold and the material to be fired in an electric kiln, heat at 1150°C for 1.5h, and after firing at high temperature, cut to obtain SCS sub-nanometer Silica material.

[0037] The prepared SCS sub-nanometer silica crystal plate has a bulk densit...

Embodiment 2

[0039] Weigh 7.5kg of quartz sand tailings, 0.5kg of fluorite, 1kg of clay, 0.39kg of industrial heavy calcium, 0.07kg of silicon carbide, 0.04kg of magnesia, and 0.5kg of alumina after homogenization and put the above materials into the ball mill Then add 4.5kg of water, ball mill for 6 hours, control the volume ratio of the medium ball and the material to be ground to 1:2.5, then take out the slurry and pass it through an 80-mesh sieve, and then spray the slurry for granulation, and the temperature of the spray drying tower is 400-650 °C, the water content of the spray granulation powder is 4.6%, and the angle of repose is 40°D50≤40 mesh. Put the granulated material into the combined cordierite-mullite mold, put the mold and the material to be fired in a shuttle kiln, heat at 1180°C for 2.5h, and after firing at high temperature, cut to obtain SCS sub-nanometer Silica material.

[0040] The prepared SCS sub-nano silica crystal plate has a bulk density of 400kg / m 3 , the vo...

Embodiment 3

[0042]Weigh 8.5kg of river silt, 0.3kg of calcite, 0.6kg of Baiyun Mountain clay, 0.2kg of industrial heavy calcium, 0.08kg of silicon carbide, 0.02kg of magnesia, and 0.3kg of alumina after homogenization, and put the above materials into the ball mill Then add 4.5kg of water, ball mill for 6 hours, control the volume ratio of the medium ball and the material to be ground to 1:2.5, then take out the slurry and pass it through an 80-mesh sieve, then spray and granulate the slurry, and the temperature of the spray drying tower is 400-650 °C, the moisture content of the spray granulation powder is 5%, the angle of repose is 45°, and D50≤40 mesh. Put the granulated material into the combined cordierite-mullite mold, put the mold and the material to be fired in a shuttle kiln, heat at 1200°C for 1.8h, and after firing at high temperature, cut to obtain SCS sub-nanometer Silica material.

[0043] The prepared SCS sub-nanometer silica crystal plate has a bulk density of 385kg / m 3 ...

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Abstract

To overcome the problems that an existing industrial solid waste treatment technology is low in treatment capacity and that industrial solid waste cannot be well utilized, the invention provides SCS sub-nanometer silicon spar and a preparation method thereof. The SCS sub-nanometer silicon spar is prepared mixing raw materials including solid powder and water in a weight ratio of 1: (0.3-0.6). Thesolid powder comprises the following components in percentage by weight: 75 to 95% of industrial solid waste, 3 to 15% of a mineral raw material and 2 to 10% of a chemical raw material. The preparation method of the silicon spar comprises the following six steps: preparation of the raw materials, preparation of slurry, spray drying, distribution control, powder firing, and processing and forming.The novel SCS sub-nanometer silicon spar material prepared by the invention has excellent performances which are incomparable by conventional building materials, such as light weight, high strength, heat preservation performance, water resistance, moisture resistance, sound insulation performance, noise reduction performance, fire resistance, durability, freeze thawing resistance and easiness in cutting and processing, and is a novel building wall material with high quality.

Description

technical field [0001] The invention relates to the technical field of green building materials, in particular to a SCS subnano silica crystal and a preparation method thereof. Background technique [0002] In recent years, my country's industry has developed rapidly, and the amount of various waste residues, dust and other wastes discharged into the environment during the production process has increased sharply. According to relevant statistics, at present, the cumulative industrial solid waste stockpiled in the country exceeds 30 billion tons (excluding waste rock), the annual increase (excluding waste rock) is about 4.14 billion tons, of which the volume of bulk industrial solid waste is 3.656 billion tons, and tailings, coal gangue, and fly ash account for 79.5% of the national annual increase in solid waste. At present, there are nearly 100,000 mines in total in my country, including about 69,000 metal mines and 14,200 tailing ponds of various types; 7,700 coal mines an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/13C04B33/16
CPCC04B33/1305C04B33/131C04B33/1321C04B33/1324C04B33/16C04B2235/3206C04B2235/3217C04B2235/3427C04B2235/3472C04B2235/349C04B2235/3826C04B2235/442C04B2235/445C04B2235/77C04B2235/96Y02P40/60
Inventor 谢贵全马明龙田密
Owner 谢贵全
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