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Coking indirect final cooling tower circulation washing process

A technology of cyclic washing and final cooling tower, which is applied in the coking oven, petroleum industry, combustible gas purification, etc., can solve the problem of blockage of the final cooling part, and achieve the effect of wide application value

Inactive Publication Date: 2011-03-30
JILIN DONGSHENG COKING
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a coking indirect final cooling tower cycle washing process, which solves the problem of frequent clogging of the final cooling part that has not been economically and reasonably solved for a long time in the current coking enterprises

Method used

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  • Coking indirect final cooling tower circulation washing process
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Embodiment Construction

[0010] As shown in the figure, the gas pipeline 1 from the ammonium sulfate is connected to the final cooling tower 2, and a valve 17 is installed on the gas pipeline 1 from the ammonium sulfate, so that the coke oven gas from the ammonium sulfate section enters the horizontal tube final through the gas pipeline 1. The circulating water in the upper section of the cooling tower 2 and the cooling water in the lower section indirect heat exchange, reducing the gas from 55°C to 22-25°C, so that naphthalene and tar in the gas condense on the horizontal tube wall of the final cooling tower 2, The horizontal tube type final cooling tower 2 is connected with the gas washing benzene washing tower pipeline 12, and the gas after heat exchange through the horizontal tube type final cooling tower 2 is transported to the benzene washing tower through the gas washing benzene washing tower pipeline 12 for further purification, and the gas goes to the benzene washing tower for further purificat...

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Abstract

The invention relates to a coking indirect final cooling tower circulation washing process, which belongs to the technical field of environmental protection and washing treatment and mainly solves the problem that the final cooling part which is not economically and reasonably settled in a long term in the existing coking enterprise is frequently blocked. Indirect final cooling technology, crude benzene separation water and tar mixing washing technology, final cooling tower with upper and lower spraying sections technology and benzene washing tower and final cooling tower water seal technology are integrated into a whole to form combined connection, thereby achieving the effect of reducing energy consumption and environmental pollution and improving social effect and economic effect.

Description

Technical field: [0001] The invention relates to a coking indirect final cooling tower cycle washing process, which belongs to the technical field of environmental protection and washing treatment. In particular, it refers to a coking indirect final cooling tower circulation washing process. Background technique: [0002] At present, the domestic coking crude benzene final cooling tower adopts indirect cooling, which can eliminate secondary pollution. However, after the gas is cooled, the naphthalene in it is precipitated and attached to the water pipe in the final cooling tower, which can easily cause blockage of the gas system. The treatment of crude benzene final cooling water, the use of detergent, and the use of spraying technology are relatively simple. Yes, it can’t solve the frequent blockage of the final cooling part. When the blockage is cleaned, the waste water will be polluted again, which will affect the normal production of the enterprise and bring certain eco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B43/08C10K1/10
Inventor 安树君王茂国张立臣赵永宽
Owner JILIN DONGSHENG COKING
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