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Semi-gas desulfurization technological process of flue gas of sinter machine

A technology for process flow and desulfurization process, applied in the field of environmental protection, can solve the problems of neglected removal, consumption, low average temperature, etc., and achieve the effects of reducing energy recovery costs, improving technical economic benefits, and improving work efficiency

Inactive Publication Date: 2009-04-01
SHANDONG PROVINCE METALLURGICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this sintering flue gas treatment method are: 1. In this sintering flue gas treatment method, the flue gas is only subjected to dust removal treatment before it is finally discharged. Their removal, such as SO 2 Wait
2. The sintering flue gas used for discharge is the mixed gas of each air box, and the sulfur content is relatively uniform, which is not conducive to improving the efficiency of desulfurization
3. The sintering flue

Method used

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  • Semi-gas desulfurization technological process of flue gas of sinter machine
  • Semi-gas desulfurization technological process of flue gas of sinter machine
  • Semi-gas desulfurization technological process of flue gas of sinter machine

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Embodiment Construction

[0017] The specific implementation of the present invention can be illustrated by examples.

[0018] In the process layout diagram of Example 1 shown in Figure 1, 1 is the sintering layer of the sintering machine; 2 is the lower bellows of the sintering machine; 3 is the upper air intake hood of the sintering machine; 4 is the ignition device of the sintering machine; 5 is the air induction main pipe for the exhaust gas of the sintering machine; 6 is the first dust collector, and the electrostatic precipitator is shown in the figure, but the electrostatic precipitator is not the only choice; 7 is the induced draft fan for the exhaust gas of the sintering machine ; 8 is the second dust collector, and the one shown in the figure is the bag filter, but the bag filter is not the only choice; 9 is the desulfurization device; 10 is the exhaust gas release chimney of the sintering machine; 11 is the circulating smoke of the sintering machine 12 is the third dust collector; 13 is the ...

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Abstract

A semi-gas desulfurization process flow of the flue gases of a sintering machine belongs to the technical field of environmental protection. The semi-gas desulfurization process is adopted to provide a desulfurization process flow of the sinter flue gases, and the process flow is more compact and energy-saving, needs little investment and can remove SO2. The process flow comprises the steps of extraction, dust removal and discharge, and the like of the flue gases; the process flow is characterized in that at least 80% of the sinter flue gases used for discharging is taken from an air box at the retral middle of the sintering machine, and before being discharged, the sinter flue gases is treated by desulfurization. The semi-gas desulfurization process flow is mainly applied for the purifying treatment of the flue gases in the sintering machine.

Description

technical field [0001] The invention relates to a semi-gas desulfurization process flow of sintering machine flue gas, belonging to the technical field of environmental protection. Background technique [0002] In the 10th edition of China Metallurgical News published on July 24, 2007, the article "Adopting Advanced Technology to Reduce Flue Gas Emissions" was published. This paper introduces a treatment method of sintering flue gas which can realize semi-gas emission. The main disadvantages of this sintering flue gas treatment method are: 1. In this sintering flue gas treatment method, the flue gas is only subjected to dust removal treatment before it is finally discharged. Their removal, such as SO 2 Wait. 2. The sintering flue gas used for discharge is the mixed gas of each air box, and the sulfur content is relatively uniform, which is not conducive to improving the efficiency of desulfurization. 3. The sintering flue gas used for discharge is the mixed gas of each w...

Claims

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Application Information

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IPC IPC(8): B01D53/50B01D53/04B01D53/78F27B21/08F27D17/00
Inventor 姚朝胜魏新民霍天玺汤楚贵王忠吴书良黄东生钱纲
Owner SHANDONG PROVINCE METALLURGICAL ENG CO LTD
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