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Method for treating silt

A sludge and heat treatment technology, applied in the field of pollution control of rivers and lakes, can solve pollution and other problems

Inactive Publication Date: 2010-10-06
江苏润宏江河工程项目管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the mud is mixed with tiles, bricks and clam snail shells, and the mud water contains a large number of organic microorganisms, some heavy metal elements and domestic garbage, and the salvage of the mud will create new pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] (1) Separation: separate the sludge, separate out bricks, tiles, shellfish and plastic waste, and separate the two types;

[0012] (2), heating, the separated sludge is heated, and the moisture content of the treated sludge is within 35%;

[0013] (3) Make mud into bricks and process them into bricks.

Embodiment 2

[0015] (1) Separation: Separating the sludge, separating bricks, tiles, shells and plastic waste, and separating the two types; crushing the separated bricks, tiles, and shells with a roller machine;

[0016] (2) Heating, heating the separated sludge, the moisture content of the treated sludge is within 35%; mixing the sludge with a moisture content within 20% and the crushed material;

[0017] (3) Make mud into bricks and process them into bricks.

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PUM

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Abstract

The invention provides a method for treating silt. Through the method, the river pollution is relieved in one aspect, and the new pollution can not be caused in the other aspect. In addition, waste materials can be changed into useful materials, ground resources can be saved, and a higher added value can be brought. The invention is realized through the technical scheme that the silt carries out separation treatment to be divided into a brick, tile and shell type and a plastic rubbish type, the two types are separated, the separated silt carries out heating treatment until the moisture content is within 35 percent, the treated silt is made into brick blanks to be baked and sintered, the separated brick, tile and shell type materials are crushed by a roll machine, the crushed materials are mixed with the separated free sand, and then, the mixture is made into brick blanks to be processed into bricks.

Description

technical field [0001] The invention relates to the technical field of pollution control of rivers and lakes, in particular to a method for treating sludge. Background technique [0002] The discharge of industrial wastewater and farms has caused more and more pollution to rivers and lakes. The discharge of wastewater and feces, on the one hand, continuously precipitates in the water, causing the bottom of rivers and lakes to rise. On the other hand, the feces discharged by animals, The breeding bacteria and microorganisms continue to multiply in the lake, which in turn increases the negative nutrient value in the water. Especially in summer, when the temperature is high, the bottom of rivers and lakes rises, so the temperature of the river bottom in shallow water rises, which intensifies the The reproduction of cyanobacteria seriously pollutes water resources. Cleaning up the silt in the river bed can clean up the river on the one hand and purify the limited water resources...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/12C04B18/30
CPCY02W30/91
Inventor 张锡清
Owner 江苏润宏江河工程项目管理有限公司
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