Method for producing aerated hollow brick used for pre-oxidation furnace by using inorganic garbage

A technology of inorganic waste and pre-oxidation furnace, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc. Effect

Inactive Publication Date: 2014-09-17
HEFEI RISINE HEATEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In summary, it has been reported that the production of cement, wall bricks, and road materials with inorganic waste as auxiliary raw materials has not been reported yet, and the production of aerated blocks with inorganic waste as the main raw material

Method used

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Embodiment Construction

[0022] A method for producing aerated hollow bricks for pre-oxidation furnaces using inorganic waste, the method includes the following steps:

[0023] 1), after mixing and crushing cement, dihydrate gypsum and phosphate slag, take 5-10 parts of cement, 1-3 parts of dihydrate gypsum and 12-33 parts of phosphate slag in parts by mass;

[0024] 2) Take 60-70 parts of inorganic garbage and 2-3.5 parts of aluminum powder in mass parts before fine grinding, and mix the crushed cement, dihydrate gypsum and phosphate rock slag with inorganic garbage and aluminum powder evenly Fine grinding, the crushed cement, dihydrate gypsum and phosphate slag are evenly mixed with inorganic waste and aluminum powder, and the particle size of the fine grinding is less than 20mm;

[0025] 3), breaking the ceramic waste material, and taking 12-25 parts of ceramic waste material in parts by mass;

[0026] 4) Put the crushed ceramic waste and the finely ground dry material into the mixing equipment, a...

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Abstract

The invention discloses a method for producing an aerated hollow brick used for a pre-oxidation furnace by using inorganic garbage. The method comprises the following steps: 1) mixing cement, dihydrate gypsum and phosphorus slag, then carrying out crushing and weighing, by mass, 5 to 10 parts of cement, 1 to 3 parts of dihydrate gypsum and 12 to 33 parts of phosphorus slag; and 2) before fine grinding, weighing 60 to 70 parts by mass of inorganic garbage and 2 to 3.5 parts by mass of aluminum powder, uniformly mixing the crushed cement, dihydrate gypsum and phosphorus slag with the inorganic garbage and the aluminum powder and then carrying out fine grinding, wherein after the crushed cement, dihydrate gypsum and phosphorus slag are uniformly mixed with the inorganic garbage and the aluminum powder, fine grinding is carried out until a particle size is less than 20 mm. According to the invention, the usage amount of the inorganic garbage is great, energy conservation and environmental protection are realized, the problem of environmental pollution caused by stockpiling treatment of inorganic garbage is alleviated, and a novel raw material is provided for a hollow brick.

Description

technical field [0001] The invention relates to the field of new building materials, in particular to a method for producing aerated hollow bricks for pre-oxidation furnaces by using inorganic waste. Background technique [0002] For a long time, the comprehensive utilization of inorganic waste has been a worldwide problem. Although a lot of research has been done on the comprehensive utilization of inorganic waste at home and abroad, most of them have not been put into industrial realization due to various technical and economic reasons. [0003] In summary, it has been reported to use inorganic waste as auxiliary raw material to produce cement, wall bricks, and road materials, but it has not been reported to use inorganic waste as the main raw material for the production of aerated blocks. Contents of the invention [0004] The object of the present invention is to provide a method for producing aerated hollow bricks for pre-oxidation furnaces by using inorganic waste, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/10C04B18/04
CPCY02W30/91
Inventor 张时利王建跃王皓静
Owner HEFEI RISINE HEATEK
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