FIELD: discharging stack and/or industrial gases into atmosphere. SUBSTANCE: device incorporating provision for enhancing draft during emission of stack or industrial gases into atmosphere has air pump whose outlet is connected to bottom part of vertical chimney. its stack mounting at least two ejectors distributed through height; suction inlet of at least one ejector communicates through gas conduit with emitted-gas intake device. EFFECT: reduced amount of pollutants in gas discharged into atmosphere. 6 cl, 5 dwg
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Authors
Dates
2003-04-27—Published
2001-07-17—Filed