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Recycling system integration apparatus used for zero discharge of sewage produced in gas making

A system-integrated, zero-emission technology, applied in the coal chemical industry to reduce fuel costs, reduce costs and increase benefits

Inactive Publication Date: 2012-11-14
江苏晋煤恒盛化工股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is to provide an integrated device for resource utilization system with zero discharge of waste water from gas generation. , easy to implement, low operating cost, high sewage treatment efficiency and the ability to produce by-product building materials, etc.

Method used

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  • Recycling system integration apparatus used for zero discharge of sewage produced in gas making
  • Recycling system integration apparatus used for zero discharge of sewage produced in gas making
  • Recycling system integration apparatus used for zero discharge of sewage produced in gas making

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Embodiment

[0021] 1. After the semi-coal gas produced in the gas-making section passes through the gas scrubber 1, the sewage generated containing a large amount of dust, organic compounds, unburned coal and other substances enters the advection of the gas-making sewage treatment and recycling device 2 through 6 After the sedimentation tank 11 settles, the sludge enters the sludge thickening tank 12 through 16, and the sewage enters the micro-vortex desilter 13 through 18. After desilting again, the sludge enters the sludge thickening tank 12 through 19, and the sludge thickening tank 12 The water obtained from sludge concentration is returned to the advection sedimentation tank 11 through 17, and the desiltered water in the vortex desilter 13 enters the cooling tower 14 through 20, and then enters the cooling pool 15 through 21, and the clear water in the cooling pool returns to the gas scrubber through 7 and repeats use.

[0022] 2. The black sludge with oily surface, large water conte...

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Abstract

The invention discloses a recycling system integration apparatus used for zero discharge of sewage produced in gas making, which belongs to the field of the coal chemical industry. The invention especially relates to the recycling system integration apparatus used for zero discharge of sewage and sludge produced in the workshop sections of gas making and gas washing in the coal chemical industry. The apparatus is a novel technical scheme brought forward after innovation of the prior art and comprises a washing tower washing tower, a gas making sewage treating and recycling device, a sludge combustion generation treating device and a solid waste integrated utilization device. The recycling system integration apparatus has the advantages of a reasonable structure, low operation cost, high sewage treatment efficiency, capacity of producing a byproduct, i.e., a building material, etc.

Description

Technical field: [0001] The invention belongs to the field of coal chemical industry, and in particular relates to a resource system integration device for zero-emission treatment of sewage and sludge produced in the gas-making and washing section of the coal chemical industry. technical solutions. Background technique: [0002] In the gas-making section of the coal chemical industry that uses coal as raw material, the semi-water gas produced must be preliminarily washed and purified to achieve the purpose of cooling and dust removal. The gas-making sewage produced by washing has the characteristics of high water temperature, large water volume, high suspended solids, and high compound content. There are two main problems in the treatment of these waters: [0003] 1. In order to save water resources, most manufacturers adopt circulating water treatment process. However, due to the high turbidity of gas-making sewage, it is easy to cause blockage of pipelines and equipment. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C02F11/00C02F11/12B09B3/00C02F1/52
Inventor 张雷曹广安周维峰李伟
Owner 江苏晋煤恒盛化工股份有限公司
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