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Method for capturing carbon in blast furnace flue gas

A carbon capture and flue gas technology, applied in the field of blast furnace flue gas treatment, can solve the problem of low carbon dioxide removal rate, and achieve the effects of increasing the capture time, improving the carbon dioxide removal rate, and avoiding waste.

Active Publication Date: 2022-05-20
中煤地第二勘探局集团有限责任公司 +1
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  • Description
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  • Application Information

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Problems solved by technology

[0003] For this reason, the present invention provides a kind of method that is used for the carbon capture of blast furnace flue gas, in order to overcome the problem that the removal rate of carbon dioxide in blast furnace flue gas is lower in the prior art

Method used

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  • Method for capturing carbon in blast furnace flue gas
  • Method for capturing carbon in blast furnace flue gas

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Embodiment Construction

[0047] 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.

[0048] 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.

[0049] 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 ...

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Abstract

The invention relates to a method for capturing blast furnace flue gas carbon, which comprises the following steps: S1, introducing blast furnace flue gas from a gas inlet in blast furnace flue gas carbon capturing equipment, and enabling the blast furnace flue gas to form a volute rotational flow through a reactor arranged in the blast furnace flue gas carbon capturing equipment; s2, the multi-stage spraying agent reacts with carbon dioxide gas in the blast furnace flue gas, the carbon dioxide gas and the agent are converted into a carbon dioxide rich solution, and the carbon dioxide rich solution is collected at the bottom of the blast furnace flue gas carbon capture equipment; and S3, demisting the blast furnace flue gas subjected to multi-stage spraying through a demister arranged in the blast furnace flue gas carbon capture equipment, and discharging the demisted blast furnace flue gas through a discharge port in the blast furnace flue gas carbon capture equipment. Carbon dioxide in the blast furnace flue gas is captured through the multi-stage spraying agent, and the carbon dioxide in the blast furnace flue gas is more fully eliminated by controlling the spraying agent amount.

Description

technical field [0001] The invention relates to the technical field of blast furnace flue gas treatment, in particular to a method for carbon capture of blast furnace flue gas. Background technique [0002] It is particularly important for blast furnace gas to reduce carbon emissions, but in the existing blast furnace flue gas treatment methods, the lack of intelligent control of the carbon dioxide capture process leads to a low removal rate of carbon dioxide in blast furnace flue gas. Contents of the invention [0003] For this reason, the present invention provides a method for carbon capture of blast furnace flue gas to overcome the problem of low removal rate of carbon dioxide in blast furnace flue gas in the prior art. [0004] In order to achieve the above object, the present invention provides a method for carbon capture of blast furnace flue gas, comprising: [0005] Step S1, introducing the blast furnace flue gas from the gas inlet of the blast furnace flue gas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/62B01D53/96
CPCB01D53/78B01D53/62B01D53/346B01D53/96B01D2258/0283B01D2257/504Y02C20/40
Inventor 刘勤学刘森柳臣翟政浩
Owner 中煤地第二勘探局集团有限责任公司
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