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Method for fabricating clay brick by using sludge

A technology of clay bricks and silt, which is applied in the field of clay brick production using silt, to alleviate the contradiction between supply and demand of clay, eliminate social conflicts, and reduce the land waste area

Inactive Publication Date: 2005-01-12
季国华
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  • Abstract
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  • Claims
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Problems solved by technology

At the same time, river dredging will produce a large amount of silt. How to deal with this silt is a problem that the environmental health department needs to focus on, and there is no ideal treatment method so far.

Method used

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  • Method for fabricating clay brick by using sludge

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Embodiment Construction

[0016] 1. Drying: Send the sludge to the conveyor belt in the drying room. The temperature of the drying room is 70-120°C to dry the material so that the moisture content of the material is less than 30%. This process is mainly used to treat some sludge with relatively high water content. When the water content of the sludge is lower than 30%, it can be directly mixed with other raw materials without drying. When drying, the evenly spread silt is transported to the conveyor belt in the drying room. The conveyor belt passes through a channel composed of 8 heating units equipped with air heating and circulation systems. Each channel has two dehumidification systems, and the sludge slowly When passing through, the hot air passes through from top to bottom or from bottom to top, and the moisture is discharged from the moisture outlet, which can greatly reduce the moisture content of the sludge after drying. The heat source used can be coal-fired or electric hot air stove, and the ...

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Abstract

The invention relates to prodn. method of building material, especially the method producing clag brick by mud. The steps are: a. batching preparing, 70-80 percent of mud, 10-20 percent of dry powder and 5-10 percent of powder ash is put into puddle mixer to be mixed uniformly; b. roller compacting, the uniform mixed material is send into rolling machine to be compacted until rocks in the material is broken to 6-8 mm; C. restirring, the grinded material is send in to puddle mixer to be remixed uniformly; d. grinding, the compacted material is send into grinder grinder until rocks in the material is broken to 3-5 mm; e. forming, then grinded material is send into moulding machine to be formed by squeezing.

Description

technical field [0001] The invention relates to a production method of building materials, in particular to a method for producing clay bricks from mud. Background technique [0002] Clay bricks are the most used building materials in the construction industry. In order to produce clay bricks, a large amount of clay is consumed every year, which leads to the reduction of cultivated land, soil erosion, and even affects the ecological environment. At the same time, river dredging will produce a large amount of silt. How to deal with this silt is a problem that the environmental health department needs to focus on, and there is still no ideal treatment method so far. Contents of the invention [0003] The purpose of the present invention is to seek a kind of method that utilizes silt to manufacture clay brick, when properly handling silt, have found inexhaustible raw material for the production of clay brick again. [0004] According to the design scheme provided by the pres...

Claims

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Application Information

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IPC IPC(8): C04B18/04C04B18/30C04B33/02C04B33/13C04B33/22C04B35/66
CPCY02W30/91
Inventor 季国华
Owner 季国华
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