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Desulfurization and dust removal device

A technology of desulfurization, dust removal and demister, which is applied in the field of flue gas purification, can solve the problems of poor dust removal and purification effect, achieve the effect of reducing the content of particulate matter, improving the ability of dust removal and mist removal, and inhibiting decomposition

Pending Publication Date: 2019-08-27
CHINA HUADIAN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the absorption tower in the prior art has poor dust removal and purification effect on air pollution particles, thereby providing a desulfurization and dust removal device

Method used

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  • Desulfurization and dust removal device
  • Desulfurization and dust removal device
  • Desulfurization and dust removal device

Examples

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specific Embodiment approach

[0051] Such as Figure 1 to Figure 3 A specific implementation of the shown desulfurization and dust removal device includes:

[0052] The main body 1 is provided with an inlet 101 and an outlet 102 ; the spray structure 2 is arranged in the absorption tower and is arranged near the inlet 101 . After the flue gas enters the main body 1 from the inlet 101, it first passes through the spray structure 2, and desulfurizes the flue gas through the spray structure 2.

[0053] The specific implementation of the spray structure 2 is not limited, and it can be various spray structures 2 used in desulfurization and dust removal devices in the prior art.

[0054] The purification structure is set in the absorption tower, including the first-level washing component 3, the second-level washing component 4, the dust and mist removal component 5, and the defoaming component 6. The flue gas passes through the spray structure 2 and the first-level washing component 3 from the inlet 101 in seq...

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Abstract

The invention provides a desulfurization and dust removal device. The desulfurization and dust removal device comprises a body, a spraying structure and a purifying structure, wherein the body is provided with an inlet and an outlet; the spraying structure is arranged in an absorption tower and in a position close to the inlet; the purifying structure is arranged in the absorption tower and comprises a primary washing component, a secondary washing component, a dust removal and demisting component and a foam removal component; and flue gas flows out from the outlet after passing through the spraying structure, the primary washing component, the secondary washing component, the dust removal and demisting component and the foam removal component in sequence from the inlet. After the flue gaspasses through the primary washing component, the secondary washing component, the dust removal and demisting component and the foam removal component, the content of particulate matters in the fluegas can be reduced, the dust removal and purifying ability of the desulfurization and dust removal device can be improved. Therefore, the concentration of the particulate matters in the exhausted fluegas is not higher than 5 mg / m3.

Description

technical field [0001] The invention relates to the technical field of flue gas purification, in particular to a desulfurization and dust removal device. Background technique [0002] Sulfur dioxide in boiler coal-fired flue gas is one of the main sources of air pollution. Wet desulfurization is a conventional means to deal with sulfur dioxide in flue gas, and ammonia desulfurization in wet desulfurization has the advantages of high efficiency and low energy consumption And favored by people. [0003] Ammonia desulfurization generally requires the use of an absorption tower, through which the flue gas is purified to minimize the concentration of aerosols, soluble salts and other air pollutant particles in the flue gas. The existing absorption tower is equipped with a spray structure, a first-level washing component and a first-level demisting area. The flue gas enters the absorption tower from the entrance of the absorption tower, and then passes through the spraying struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50B01D50/00
CPCB01D53/78B01D53/50B01D50/00B01D2258/0283
Inventor 沈亚光
Owner CHINA HUADIAN ENG
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