Flue gas ultra-low emission system based on wet desulfurization and denitrification technology

A technology of wet desulfurization and discharge system, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles. It can solve the problems of inconvenient installation and removal of the activated carbon adsorption layer, insufficient compactness of flue gas treatment, and difficulty in thorough treatment. Achieve the effects of increased thoroughness, less floor space and simple facilities
CN112403206AInactive Publication Date: 2021-02-26JIANGSU LVDOU ENVIRONMENTAL ENG CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU LVDOU ENVIRONMENTAL ENG CO LTD
Publication Date
2021-02-26
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention belongs to the technical field of flue gas treatment, and discloses a flue gas ultra-low emission system based on a wet desulfurization and denitrification technology. The flue gas ultra-low emission system comprises a washing tower and a water pump, the middle upper end of the side wall of the washing tower is connected with a flue gas inlet pipe, the water inlet end of the water pump is connected with a water inlet pipe, and the water outlet end of the water pump is connected with a water outlet pipe; and the end, away from the water pump, of the water outlet pipe penetrates through the washing tower and extends to the upper end of the interior of the washing tower, a spraying disc is installed at the end, located in the washing tower, of the water outlet pipe, and a firstflue gas outlet pipe is connected to the top end of the washing tower. The flue gas treatment system is compact in flow, simple in facility, less in occupied land area, capable of effectively reducingthe cost investment of enterprises, very wide in application prospect and worthy of popularization. The washing tower is used for washing and cooling the flue gas firstly, subsequent absorption treatment is facilitated, then absorption is conducted twice, SO2 and NOx in the flue gas can be effectively treated, the treatment speed is high, and treatment of large-batch flue gas output is met.
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Description

technical field

[0001] The invention belongs to the technical field of flue gas treatment, and in particular relates to a flue gas ultra-low emission system based on wet desulfurization and denitrification technology. Background technique

[0002] Smoke is a mixture of gas and smoke and is the main cause of air pollution in residential areas. The composition of the flue gas is very complex. The gas includes water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons, and nitrogen oxides. The smoke includes fuel ash, coal particles, oil droplets, and pyrolysis products. Currently, In industries such as electric power, iron and steel, metallurgy, and petrochemical industry, there are various treatment methods for SO2 and NOx in flue gas, among which wet desulfurization and denitrification technology is a relatively common method.

[0003] However, the current flue gas treatment process based on wet desulfurization and denitrification technolog...

Claims

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