B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/360, 165/43
B01D 53/34 (2006.01) B01D 53/50 (2006.01) B05B 1/06 (2006.01) B05B 3/10 (2006.01) B05B 7/08 (2006.01)
Patent
CA 1237872
ABSTRACT IMPROVEMENTS IN OR RELATING TO LIQUID SPRAYING A method of treating a polluted gas e.g. desulphurising a sulphur dioxide-containing flue gas is carried out by spraying the flue gas with a slurry of e.g. calcium hydroxide, under spray drying conditions. The spray device comprises a rotating cup comprising an extended surface on which a film of slurry is formed. On leaving the surface the slurry is immediately impacted with a high velocity stream of air supplied through an annular orifice. Arrangements for supplying the slurry to the rotating cup comprise a stationary distribution device adapted to direct the slurry onto the surface with a swirl component of motion.
468016
Dresser Industries Inc.
Macrae & Co.
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