Fine desulfurization device for blast furnace gas

A technology of blast furnace gas and desulfurization device, which is applied in the field of desulfurization and can solve the problems of inability to control the sulfur content of blast furnace gas and the discharge of blast furnace gas.

Pending Publication Date: 2021-12-10
涉县亿玮坤节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For this reason, the present invention provides a blast furnace gas fine desulfurization device, which can solve the technical problem that the blast furnace gas discharge cannot be controlled according to the sulfur content of the blast furnace gas that is catalytically hydrolyzed at each stage

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  • Fine desulfurization device for blast furnace gas
  • Fine desulfurization device for blast furnace gas
  • Fine desulfurization device for blast furnace gas

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Embodiment Construction

[0051]In order to make the objects and advantages of the present invention clearer, the present invention will be further described below in conjunction with the examples; it should be understood that the specific examples described here are only for explaining the present invention, and are not intended to limit the present invention.

[0052] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

[0053] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is o...

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Abstract

The invention relates to a fine desulfurization device for blast furnace gas. The device comprises a first hydrolysis device for pre-treating blast furnace gas; a second hydrolysis device which is arranged over the first hydrolysis device and is used for carrying out catalytic hydrolysis on the pretreated blast furnace gas; a desulfurization device which is arranged over the second hydrolysis device and is used for adsorbing inorganic sulfur in the blast furnace gas; a first recovery device which is connected with a gas outlet of the first hydrolysis device and a gas inlet of the first hydrolysis device and is used for recovering the blast furnace gas which is unqualified after pretreatment; and a second recovery device which is connected with the gas inlet of the second hydrolysis device and the gas outlet of the second hydrolysis device, and is used for recovering unqualified blast furnace gas after hydrolysis. A central control unit is arranged, the central control unit compares the sulfur content, obtained through the first detection device, of the pretreated blast furnace gas with the preset value, and the parameters of all the components are controlled, so that the sulfur content of the discharged blast furnace gas meets the preset standard.

Description

technical field [0001] The invention relates to the field of desulfurization, in particular to a fine desulfurization device for blast furnace gas. Background technique [0002] In the production process of coke oven gas, the gas usually contains a large amount of sulfur. As a by-product of iron and steel enterprises, blast furnace gas is mainly used as fuel for combustion and heating by users such as hot blast stoves, steel rolling heat treatment furnaces, and boilers. However, in In the continuous production process, the sulfur in the gas often forms a viscous paste, which together with impurities such as by-product salts are adsorbed in the screen of the filter, blocking the entire filter, resulting in an increase in the sulfur content of the gas. Therefore, a filter must be installed in the desulfurization tank to absorb the sulfur in the gas. The forms of sulfur in blast furnace gas are mainly carbonyl sulfide and hydrogen sulfide, and there are also a small amount of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10K1/00C10K1/34
CPCC10K1/004C10K1/34
Inventor 刘森
Owner 涉县亿玮坤节能科技有限公司
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