Copper-containing solid waste gas-liquid contact flue gas desulfurization device and use method thereof

By designing a flue gas desulfurization device for contacting waste gas with solid copper, the flue gas and slurry are in direct contact in the body of the reaction tower, combined with the combination of multiple sets of slurry conveying pipes and spray pipes, the problems of contact obstruction and scale of flue gas and slurry in existing equipment are solved, and efficient and stable flue gas desulfurization effect is achieved.

CN119656843APending Publication Date: 2025-03-21HUANGSHI XIANGRUI ENVIRONMENTAL PROTECTION IND CO LTD
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Patent Information

Application Number
CN202510101575.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

Existing flue gas desulfurization equipment is prone to obstruction and scaling when the flue gas and slurry come into contact, affecting the desulfurization efficiency. The distance between the edges of the Venturi-type mass transfer unit and the inner side wall of the tower body is not suitable, resulting in insufficient contact reaction or blockage of scaling.

Method used

A flue gas desulfurization device with copper-containing solid waste gas is designed. The flue gas is input from the top of the reaction tower body and reacts in a forward contact with the slurry. The combination of multiple groups of slurry conveying pipes and spray pipes is used to control the amount and position of the slurry, improve the contact efficiency of the flue gas and liquid, and set auxiliary leakage holes and edge rings in the desulfurization auxiliary mechanism to enhance the downflow channel and buffering effect.

Benefits of technology

It improves the adaptability and regulation of flue gas desulfurization, reduces the risk of scaling, improves the efficiency and stability of the desulfurization reaction, and can flexibly adjust the fluctuations in the concentration of sulfur dioxide.

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Abstract

The invention relates to the technical field of flue gas desulfurization equipment, in particular to a copper-containing solid waste gas-liquid contact flue gas desulfurization device and a use method, flue gas is input from the top of a reaction tower body and is subjected to a forward contact reaction with reaction slurry, and the positive effect on improvement of flue gas desulfurization adaptability and adjustability is achieved; flue gas enters the inner cavity of the reaction tower body from the flue gas inlet pipeline, meanwhile, slurry enters the reaction tower body from the slurry conveying pipe and is sprayed through the spraying nozzles, the sprayed slurry falls on the Venturi type mass transfer unit main body to be uniformly dispersed, and the flue gas makes contact with the slurry; wherein a plurality of groups of circulating pumps can be arranged to control the spraying amount conveyed by the slurry conveying pipe in a matched manner, and a plurality of groups of slurry conveying pipes can also be arranged on the side wall of the reaction tower body, so that the slurry conveying position is not single, and the slurry conveying amount and the spraying position are controlled; the change of emission values of SO2 and other acid gases caused by the change of different raw materials can be dealt with.
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