Flue gas treatment method

A technology for flue gas treatment and flue gas, which is applied in the field of metallurgy to achieve the effect of avoiding waste and improving work efficiency

Active Publication Date: 2011-12-28
CHINA ENFI ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no effective treatment equipment and method for flue gas containing selenium dioxide at present

Method used

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0028] In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation, so they cannot be understood as Lim...

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Abstract

The invention provides equipment for processing flue gas, the flue gas contains selenium dioxide, the flue gas processing equipment comprises: a cooling device used for cooling the flue gas to obtain the refrigerated flue gas; a dehydrated apparatus which is connected with the cooling device is used for dehydrating the refrigerated flue gas to obtain the dehydrated flue gas; a washing apparatus which is connected with the dehydrated apparatus is used for washing the dehydrated flue gas to obtain the washed flue gas and washing liquid; a selenium reduction reaction kettle which is connected with the washing apparatus is used for carrying out a reduction reaction of the washing liquid and sulfur dioxide to generate a mixture containing simple substance selenium; and a solid-liquid separatorwhich is connected with the selenium reduction reaction kettle is used for separating the mixture containing simple substance selenium to separate and recovery selenium. The equipment is capable of effectively recovering the selenium in flue gas.

Description

technical field [0001] The invention relates to the field of metallurgy. Specifically, it relates to flue gas treatment equipment and a method for using the equipment to treat flue gas. Background technique [0002] The discussion of the background art below does not imply or admit that any of the methods or devices described below are prior art or part of the common general knowledge of those skilled in the art. [0003] In the field of metallurgy, especially in the blowing process, a large amount of flue gas is usually produced. The country's environmental protection requirements are becoming increasingly stringent, so the flue gas needs to be purified before being discharged. However, there is currently no effective treatment equipment and method for flue gas containing selenium dioxide. Contents of the invention [0004] The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, an object of the present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/46C01B19/02
Inventor 肖万平董四禄高飞刘霞
Owner CHINA ENFI ENGINEERING CORPORATION
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