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Flue gas treatment system and method

A flue gas treatment system and flue gas technology, applied in the field of copper smelting, can solve the problems of low efficiency of the treatment system and high operating costs

Pending Publication Date: 2021-05-07
CHINA NERIN ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above situation, it is necessary to provide a flue gas treatment system and method to solve the problems of low efficiency and high operating costs of the copper smelting flue gas treatment system in the prior art

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  • Flue gas treatment system and method
  • Flue gas treatment system and method

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Embodiment Construction

[0053] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing the embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0054] It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only. ...

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Abstract

The invention discloses a flue gas treatment system and method, and the system comprises: a side-blown furnace waste heat boiler, wherein a feed port of the side-blown furnace waste heat boiler is connected with a side-blown furnace; a top-blown furnace waste heat boiler, wherein a feed port of the top-blown furnace waste heat boiler is connected with the top-blown furnace; a gas mixing chamber; a side-blown furnace high-temperature exhaust fan which is connected between the gas mixing chamber and the side-blown furnace waste heat boiler; a top-blown furnace high-temperature exhaust fan which is connected between the gas mixing chamber and the top-blown furnace waste heat boiler; a first dust remover which is connected with the discharge hole of the gas mixing chamber; a washer which is connected with the first dust remover; a gas cooling tower which is connected with the washer; and a third dust remover which is connected with the gas cooling tower. By utilizing the system, the sulfur dioxide-containing flue gas can be efficiently treated, valuable metals in the flue gas can be recovered, harmful elements can be effectively removed, the process flow is simplified, the stability of the production system is improved, and the production operation cost is reduced.

Description

technical field [0001] The invention relates to the technical field of copper smelting, in particular to a flue gas treatment system and method. Background technique [0002] In the copper pyrometallurgy industry, during the smelting and blowing process of copper concentrate, a large amount of high-temperature and dust-laden sulfur dioxide flue gas will be produced. The flue gas needs to be cooled and dust-removed before acid production. [0003] In the existing treatment method, the flue gas from smelting and blowing is collected by separate electric dust collectors. Since the dust concentration at the outlet of the electrostatic precipitator is usually 200-1000mg / Nm 3 , so the flue gas still needs to go through two-stage wet scrubbing to meet the requirements of acid production, resulting in a large amount of smoke and dust entering the scrubbing liquid, resulting in a large amount of waste liquid that needs to be treated. Especially in the continuous copper smelting pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50B01D53/00B01D50/00
CPCB01D50/00B01D53/002B01D53/504B01D53/78B01D2257/60B01D2258/0283
Inventor 涂建华李伟胡俊
Owner CHINA NERIN ENG
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