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摘要

1,145,485. Gas-scrubber. DUCON CO. 25 March, 1966 [29 March, 1965], No. 13300/66. Heading B1R. Gas to be scrubbed is introduced tangentially into a horizontal cylindrical chamber 12 (Fig. 1) from a gas inlet 48, the gas being first wetted by liquid introduced by a pipe 44 and accelerated to a velocity of at least 8,000 feet per minute by passage through an orifice, the free cross-section of which can be varied by movement of a plate by a control 34. Liquid from pipe 44 passes into an annular trough 40 (Fig. 7) and thence into a space 47 surrounding a convergent gas inlet section 46. Alternatively liquid may be fed into a space 471 (Fig. 9 not shown) by a tangentially-disposed liquid inlet pipe 88. The entrance to chamber 12 is shrouded by a crescent shaped baffle 56 (Fig. 3, not shown) and liquid separating from the gas enters a sump 52 in through an opening in a lower portion of the chamber 12. Scrubbed gas leaves the chamber 12 via a tangentially disposed gas outlet 76.