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Light-weight shale brick manufactured from alcohol wastewater of sugar refinery and production method thereof

A technology of alcohol waste liquid from sugar factory and light shale, applied in the field of light shale bricks, can solve the problems of heavy self-weight, high energy consumption in the production process, poor thermal insulation and other problems of ordinary shale bricks, and achieves excellent anchoring performance , low cost, light weight effect

Inactive Publication Date: 2014-04-30
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Ordinary shale bricks are heavy in weight, poor in thermal insulation, high energy consumption in the production process, and not environmentally friendly

Method used

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  • Light-weight shale brick manufactured from alcohol wastewater of sugar refinery and production method thereof

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Embodiment Construction

[0019] A lightweight shale brick made from alcohol waste liquid from sugar factories, mainly made of the following raw materials in mass ratio: 55%-65% of shale, 15%-25% of molasses waste residue from sugar factories with PH=7, auxiliary materials 15%-20%, auxiliary agent 5%-10%, the mass ratio between auxiliary agents is: slag 85%-95%, potassium chloride 5%-15%, the above raw material shale is crushed to 80 mesh, and the Add water at a temperature of 40°C~45°C to the shale powder, accounting for 50%~60% of the raw material quality, stir the water, molasses waste residue and other auxiliary materials evenly, stir and stand for 1~1.5 hours, make bricks, and dry them , roasting, heat preservation and cooling to make lightweight shale bricks.

[0020] The mass ratio of the auxiliary materials is: quicklime 87.5%-90%, iron powder 10%-12.5%.

[0021] The sintering temperature of the calcination is controlled at 950°C-1150°C and kept for 8-12 hours.

[0022] A method for producing...

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Abstract

The invention discloses a light-weight shale brick manufactured from alcohol wastewater of a sugar refinery. The light-weight shale brick is mainly prepared from the following raw materials in percentage by mass: 55-65% of shale, 15-25% of molasses waste residue with a pH value of 6.5-7.5 of the sugar refinery, 15-20% of auxiliary materials and 5-10% of adjuvants, wherein the adjuvants comprise, in proportioning ratio by mass, 85-95% of slag and 5-15% of potassium chloride; the raw materials are added in water at a temperature of 40-45 DEG C and occupying 50-60% of the mass of the raw materials, stirred and stood for 1-1.5 hours to prepare a brick blank, and the brick blank is dried, roasted, insulated and cooled to prepare the light-weight shale brick. The light-weight shale brick has the following advantages that: the molasses waste residue and other auxiliary materials are added, after high-temperature sintering, the auxiliary materials are burnt thoroughly to form lots of micropores in the brick, therefore, the light-weight shale brick is good in thermal insulation, heat isolation, fireproof, anti-cracking, soundproof performances and the like; moreover, the dead weight is greatly reduced, and the light-weight shale brick is excellent in anchoring performance, low in cost, light in dead weight, convenient to construct, and capable of meeting the needs of secondary decoration for buildings.

Description

technical field [0001] The invention relates to a light-weight shale brick manufactured by using alcohol waste liquid from a sugar factory, which has the properties of light weight, heat preservation, heat insulation, fire prevention, crack prevention, and sound insulation, and a production method thereof. Background technique [0002] In the patent document of 200510022384.8, the microporous agent used in the production of shale bricks is mainly polystyrene and expanded perlite particles, and the solid form of polystyrene is safe and non-toxic. But EPS particles will give off pentane vapor during storage. Pentane is extremely flammable and can form explosive mixtures with air. Heating polystyrene-type polymers can release styrene monomer. Styrene is a dangerous substance. Polystyrene powder can irritate the respiratory tract and skin. Moreover, the price of expanded perlite is high, which increases the cost of construction. Therefore, compared with the production method ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B30/00
Inventor 黄榜彪黄秉章朱基珍赖骏吴元昌黎喜强武海龙关琼琼
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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