Wet-type flue gas desulfurization plant

Details Wet-type flue gas desulfurization plant Wet-type flue gas desulfurization plant

B - Operations, Transporting

01

D

B01D 53/34 (2006.01) B01D 53/18 (2006.01) B01D 53/50 (2006.01)

Patent

CA 2137364

Disclosed is a wet-type flue gas desulfurization plant which comprises, an absorber including an inlet duct and an outlet duct and being integrally provided on an upper portion of a circulation tank. The absorber is of a self-supporting structure supported by the circulation tank. At least an uppermost-stream spraying stage in a spraying zone in the inlet duct includes a spray pipe provided with spray nozzles for spraying an absorbing liquid (e.g., a slurry of limestone or lime), in a direction parallel to a gas flow, and at least a downmost-stream spraying stage includes spray nozzles for spraying the absorbing liquid in a direction counter to the gas flow. The absorber is of an integral structure in which the upper portion of the circulation tank forms a part of the duct, whereby the absorber arrangement is self-supportable and moreover, is of a simple structure, leading to a high strength thereof and an elimination of the need for provision of fitments for supporting the tower duct portion.

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