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Coke oven gas TSA impurity removal regeneration gas recycling method and device

A technology for regenerative gas and coke oven gas, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, etc., can solve problems such as excessive sulfur content, and achieve the effects of ensuring environmental protection standards and discharge, ensuring stable operation, and avoiding impact

Inactive Publication Date: 2021-10-01
山西沃能化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention mainly solves the problem that the sulfur content in coke oven gas TSA impurity removal and regenerated gas exceeds the standard in the coke oven gas and converter gas comprehensive tail gas production of ethylene glycol processes, and provides a recovery and utilization method of coke oven gas TSA impurity removal and regenerated gas and devices

Method used

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  • Coke oven gas TSA impurity removal regeneration gas recycling method and device

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Effect test

Embodiment 1

[0021] A method for recovering and utilizing coke oven gas TSA impurity-removing regeneration gas. The coke oven gas TSA-removal regeneration gas is mixed with blast furnace gas through a regeneration gas pipeline, and then sent to the sintering process of the ironworks for use in the sintering process of the ironworks. Among them, the coke oven gas TSA impurity removal regeneration gas is mixed with the original blast furnace gas before the pressure is not lower than 15KPa, and the flow rate is 10000Nm 3 / h, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas volume ratio of 1:50, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas parameters: pressure 15KPa, temperature 40 ℃, The sulfur content is about 12mg / Nm 3 Rise to 17mg / Nm 3 , the sulfur content in the exhaust flue gas after use by downstream users of blast furnace gas shall not exceed 35mg / Nm 3 , to meet the national ultra-low emissi...

Embodiment 2

[0023] A method for recovering and utilizing coke oven gas TSA impurity-removing regeneration gas. The coke oven gas TSA-removal regeneration gas is mixed with blast furnace gas through a regeneration gas pipeline, and then sent to the sintering process of the ironworks for use in the sintering process of the ironworks. Among them, the coke oven gas TSA impurity removal regeneration gas is mixed with the original blast furnace gas before the pressure is not lower than 15KPa, and the flow rate is 15000Nm 3 / h, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas volume ratio of 1:50, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas parameters: pressure 15KPa, temperature 40 ℃, The sulfur content is about 12mg / Nm 3 Rise to 21mg / Nm 3 , the sulfur content in the exhaust flue gas after use by downstream users of blast furnace gas shall not exceed 35mg / Nm 3 , to meet the national ultra-low emissi...

Embodiment 3

[0025] A method for recovering and utilizing coke oven gas TSA impurity-removing regeneration gas. The coke oven gas TSA-removal regeneration gas is mixed with blast furnace gas through a regeneration gas pipeline, and then sent to the sintering process of the ironworks for use in the sintering process of the ironworks. Among them, the coke oven gas TSA impurity removal regeneration gas is mixed with the original blast furnace gas before the pressure is not less than 15KPa, and the flow rate is 12000Nm 3 / h, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas volume ratio of 1:50, coke oven gas TSA impurity removal regeneration gas mixed with the original blast furnace gas parameters: pressure 15KPa, temperature 40 ℃, The sulfur content is about 12mg / Nm 3 Rise to 18mg / Nm 3 , the sulfur content in the exhaust flue gas after use by downstream users of blast furnace gas shall not exceed 35mg / Nm 3 , to meet the national ultra-low emissio...

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Abstract

The invention belongs to the field of regeneration gas recycling, and particularly relates to a coke-oven gas TSA impurity removal regeneration gas recycling method and device. In order to solve the problem that the sulfur content in coke-oven gas TSA impurity-removed regenerated gas in a process for preparing ethylene glycol from two comprehensive tail gases of coke oven gas and converter gas exceeds the standard, the coke-oven gas TSA impurity-removed regenerated gas and blast furnace gas are mixed through a regenerated gas pipeline and then are conveyed to a sintering process of an iron-making plant for the sintering process of the iron-making plant, and recycling of regenerated gas can be realized.

Description

technical field [0001] The invention belongs to the field of regeneration gas recovery and utilization, and in particular relates to a coke oven gas TSA impurity removal regeneration gas recovery method and device. Background technique [0002] Temperature swing adsorption (TSA) is to use the characteristic that the adsorption capacity of the same adsorbate on the adsorbent changes with the change of temperature to adsorb and desorb gas, so as to achieve the purpose of separating gas. In practical application, the coke oven gas TSA impurity removal process in chemical plants will adsorb a large amount of COS and CS 2 After regeneration and analysis, this part of sulfur will enter the regeneration gas. The original design of the coke oven gas TSA impurity removal regeneration gas is discharged to the waste gas incinerator for incineration. Since the incinerator did not consider the factor of sulfur exceeding the standard, the SO in the flue gas component 2 Severely exceeded ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/04B01D53/00
CPCB01D53/0462B01D53/00
Inventor 苏阳凯薛磊张宝谢进军李磊
Owner 山西沃能化工科技有限公司
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