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Desulfurization, denitration and dust removal system and desulfurization, denitration and dust removal process

A desulfurization, denitrification, and dust removal system technology, applied in the desulfurization, denitrification, and dust removal systems, desulfurization, denitrification, and dust removal process fields, can solve the problems of single structure, low purification efficiency, etc., and achieve the effects of improving efficiency, facilitating manufacturing and processing, and reducing secondary pollution

Pending Publication Date: 2018-08-21
大连铭晟环保设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a desulfurization, denitrification and dust removal system to improve the problems of the traditional denitrification, desulfurization and dust removal towers with single structure and low purification efficiency
[0008] The purpose of the present invention is to provide a desulfurization, denitrification and dust removal process to improve the traditional denitrification, desulfurization and dust removal towers with single structure and low purification efficiency.

Method used

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Embodiment

[0041] see figure 1 - Figure 4 , this embodiment provides a desulfurization, denitrification and dust removal system, which includes a first purification unit 10 , a second purification unit 20 and an integrated purification unit 30 . During the purification process, the flue gas passes into the first purification unit 10, the second purification unit 20 and the comprehensive purification unit 30 in sequence, the nitric oxide in the flue gas undergoes an oxidation reaction to generate nitrogen dioxide, and the nitrogen dioxide undergoes a reduction reaction to generate nitrogen gas , sodium hydroxide and water, reduce secondary pollution and improve efficiency.

[0042] The first purification unit 10 includes a washing and oxidation tower 100 , a first spray assembly 300 , a flue gas mixing assembly 200 and a confluence assembly 400 .

[0043] Optionally in this embodiment, the washing and oxidation tower 100 includes a first gas inlet 120, a first gas outlet 130, and a fir...

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Abstract

The invention discloses a desulfurization, denitration and dust removal system and a desulfurization, denitration and dust removal process. The desulfurization, denitration and dust removal system comprises a first purification unit and a second purification unit. The first purification unit comprises a washing and oxidizing tower and a first spray assembly, the washing and oxidizing tower is provided with a first gas inlet, a first gas outlet and a first flow channel, the first spray assembly is mounted in the washing and oxidizing tower, the second purification unit comprises a reduction absorption tower and a second spray assembly, the reduction absorption tower is provided with a second gas inlet, a second gas outlet and a second flow channel, and the second spray assembly is mounted in the reduction absorption tower; the first gas outlet is communicated with the second gas inlet. The desulfurization, denitration and dust removal system and the desulfurization, denitration and dustremoval process have the advantages that flue gas sequentially flows into the first purification unit, the second purification unit and a comprehensive purification unit in purification procedures, oxidizing reaction is carried out on nitric oxide in the flue gas to generate nitrogen dioxide, reduction reaction is carried out on the nitrogen dioxide to generate nitrogen, sodium hydroxide and water, accordingly, secondary pollution can be reduced, and the efficiency can be improved.

Description

technical field [0001] The invention relates to the field of environmental protection equipment, in particular to a desulfurization, denitrification and dust removal system and a desulfurization, denitrification and dust removal process. Background technique [0002] The atmosphere is the most basic and important environment for human survival. It not only regulates the distribution of heat, momentum and water resources through its own movement, but also creates a suitable living environment for human beings and effectively protects human beings and creatures on the earth. However, with the increase of human production and social activities, especially the burning of a large amount of fuel and the emission of industrial waste gas, the atmospheric environment is deteriorating day by day. Among all kinds of atmospheric pollutants, the most important is the pollution caused by coal burning in kilns. Coal burning is the main source of sulfur dioxide, nitrogen oxides, smoke and o...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/56B01D53/75B01D53/60
CPCB01D53/56B01D53/60B01D53/75B01D53/78B01D2251/608B01D2251/106B01D2258/0283B01D2256/10B01D2257/404
Inventor 张晓宇
Owner 大连铭晟环保设备有限公司
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