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Desulphurization and dust removal integrating flue gas purification device and method

A flue gas purification, desulfurization and dust removal technology, applied in the field of flue gas purification, can solve the problems of high cost, large area occupied by flue gas desulfurization and dust removal, etc.

Inactive Publication Date: 2015-10-21
BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG
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Problems solved by technology

[0004] The purpose of the present invention is to provide an integrated flue gas purification device and method for desulfurization and dust removal, which are used to solve the problems of large area occupation and high cost of flue gas desulfurization and dust removal, and to achieve standard emission of flue gas

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  • Desulphurization and dust removal integrating flue gas purification device and method

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the drawings.

[0021] figure 1 It is a schematic structural diagram of an integrated desulfurization and dust removal flue gas purification device provided by an embodiment of the present invention. The direction of the hollow arrow in the figure is the flow direction of the flue gas. As shown in the figure, the embodiment of the present invention provides an integrated flue gas purification device for desulfurization and dust removal, including an absorption tower 1 in which a wet desulfurization system 2 and a water washing deep dust removal system 3 are sequentially arranged in the flue gas flow direction in the absorption tower 1. The flue gas enters the absorption tower 1, after passing through the absorption tower inlet 11, it first passes through the wet desulfurization system 2, and then enters the water washing deep dust removal system 3, and the flue gas is deeply cleaned and was...

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Abstract

The invention relates to a desulphurization and dust removal integrating flue gas purification device and a desulphurization and dust removal integrating flue gas purification method. The device comprises an absorption tower, wherein a wet desulphurization system and a water-washing deep dedusting system are sequentially arranged in the flue gas flowing direction in the absorption tower. The glue gas enters the absorption tower; after being desulphurized by the wet desulphurization system, the flue gas enters the water-washing deep dedusting system to be deeply cleaned and washed, so that dust concentration in the flue gas and the concentration of dissolving salt in outlet fog drops are reduced, and SO2 and SO3 are also removed to certain degree; finally, the flue gas enters a chimney, cleaning emission is realized, desulphurization and dust removal are integrated, and the flue gas is exhausted without causing pollution.

Description

Technical field [0001] The invention relates to the technical field of flue gas purification, in particular to an integrated flue gas purification device and method for desulfurization and dust removal. Background technique [0002] The conventional wet desulfurization system uses slurry to cyclically scrub the flue gas. While desulfurizing, it has a certain dust removal effect, which is mainly achieved by spray washing and demister. In practical applications, the dust removal function is very unstable and the efficiency is not high, causing the system outlet dust concentration to exceed the standard. In addition, due to increasingly stringent dust emission requirements, the desulfurization outlet dust is often difficult to meet the standard, and additional equipment is required. At present, in order to make the dust in the final exhaust gas meet the standard, for example, reducing the dust concentration at the inlet of the desulfurization absorption tower, adding a wet electrost...

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Application Information

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IPC IPC(8): B01D53/18B01D47/12
Inventor 陈建陈欧陈振宇劳俊李晓金王利
Owner BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENG
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