Rapid recovery device for fluorine chemical flue gas

Through the design of rotating adsorption chamber and roller lifting, the frequency of contact between exhaust gas and activated carbon is increased, the deposition of crystals is prevented, the problem of activated carbon pore blockage is solved, and the efficient recovery and stable emission of fluorine chemical flue gas is achieved.

CN120695631APending Publication Date: 2025-09-26SANMING UNIV
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Patent Information

Application Number
CN202510997482.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-19
Publication Date
2025-09-26

AI Technical Summary

Technical Problem

In existing fluorine chemical flue gas treatment devices, the pores of activated carbon are easily blocked by salt crystals, resulting in a decrease in adsorption capacity or failure, affecting the stability of waste gas recovery and emissions.

Method used

A rapid recovery device for fluorine chemical flue gas was designed. The frequency and time of contact between exhaust gas and activated carbon were increased by rotating the adsorption chamber. The activated carbon was shaken regularly by the lifting of the roller to prevent the deposition of crystals. The crystals were scraped off by steel wire to maintain the adsorption efficiency of the activated carbon.

Benefits of technology

It effectively prevents activated carbon pores from being clogged, maintains adsorption efficiency, reduces the frequency of activated carbon replacement, ensures the stability and reliability of waste gas recovery and emission, and extends the service life of the device.

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Abstract

The invention relates to a rapid recovery device for fluorine chemical flue gas, which comprises a washing tower, a spraying device arranged in the washing tower, a filler supporting plate arranged in the washing tower and used for supporting filler and ensuring gas-liquid circulation, a demisting plate arranged in the washing tower, and a tank body fixedly mounted at the top of the washing tower, a sealing cover is arranged at the top of the tank body; the convex seat is arranged on the inner wall of the tank body, and an air hole is formed in the bottom of the convex seat; the curved plate is fixedly mounted on the outer wall of the convex seat; the adsorption bin sleeves the circumferential surface of the convex seat; the rollers are fixedly mounted at the bottom of the adsorption bin; the connecting disc is fixedly mounted at the top of the adsorption bin; the T-shaped rod is fixedly mounted at the top of the connecting disc; the rotating shaft is slidably installed on the circumferential face of the T-shaped rod and rotationally penetrates through the top of the sealing cover. Crystal substances in waste gas can be prevented from depositing at fixed positions to block pores of activated carbon, so that the adsorption efficiency of the activated carbon is maintained, and the replacement frequency is reduced.
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