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Coke oven gas purification cooling energy-saving method

A coke oven gas and cooling tower technology, which is applied to household refrigeration devices, lighting and heating equipment, household appliances, etc., can solve the problems of serious energy consumption and power consumption, and achieve accuracy, life improvement, and low energy consumption. Effect

Inactive Publication Date: 2014-01-22
BAOSTEEL DEV CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, relying entirely on refrigeration equipment to cool and control the temperature of the cooling water consumes a lot of electric energy, and the energy consumption is serious.

Method used

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  • Coke oven gas purification cooling energy-saving method
  • Coke oven gas purification cooling energy-saving method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with specific examples.

[0026] Coke oven gas refining cooling water temperature is generally controlled at 18 °, the accuracy of temperature control has a certain impact on the quality of the product.

[0027] For the Yangtze River Basin and the north of China, the cooling water at 18°C ​​can be naturally cooled in winter. According to the existing technology, chillers are completely used to provide cooling water at 18°C. From the perspective of technology, there is a large space for energy saving. The following embodiment is an example of achieving a process improvement.

[0028] see figure 1 , coke oven gas refining cooling system winter energy-saving system, consisting of sump 1, temperature sensor Ⅰ, water pump 3, chiller 4, temperature sensor Ⅱ 5, coal fine process heat exchanger 6, flow sensor 7, pressure sensor 8, temperature sensor Ⅲ 9, Electric valve Ⅰ10, electric valve Ⅱ11, supplementary...

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Abstract

The invention relates to a coke oven gas purification technology, in particular to a coke oven gas purification cooling energy-saving method which is characterized by comprising the steps that a branch pipeline is arranged between an inlet of a water collecting pool and an outlet of coal purification technology heat exchanger water flow, connecting and disconnecting of the branch pipeline and an inlet of a water inlet pool are controlled through an electric valve II and an electric valve I respectively; the branch pipeline is provided with a modularization sealed cooling tower which carries out natural heat exchanging on cold air and hot water flow, cooled water flow is discharged into a second inlet of the water collecting pool; in winter, the electric valve II is opened, the electric valve I is closed, effluent water flow after coal purification technology heat exchanger heat exchanging flows into the modularization sealed cooling tower and flows into the water collecting pool after first-time heat exchanging cooling, and water in the water collecting pool flows into a water cooling unit for second-time heat exchanging cooling and then flows into a coal purification technology heat exchanger.

Description

technical field [0001] The invention relates to a refining process of coke oven gas, in particular to an energy-saving method for refining and cooling coke oven gas. Background technique [0002] In the refining process of coke oven gas, cooling water at about 18 degrees is required for process cooling. The existing method for cooling and controlling the temperature of cooling water is accomplished by using refrigeration equipment. That is, the cooling water needed for the above-mentioned process cooling is supplied through the refrigeration of the refrigeration unit. In the refining production of coke oven gas, due to the stability of product production, the temperature fluctuation of cooling water must be controlled within a certain range of accuracy, so relying on refrigeration equipment to cool and control temperature is an essential means of quality control. However, relying entirely on refrigeration equipment to cool and control the temperature of the cooling water c...

Claims

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Application Information

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IPC IPC(8): F25D1/00F25D29/00
Inventor 康乳国江长茆春巍张宏
Owner BAOSTEEL DEV CO LTD
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