Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1977-07-25
1979-03-20
Lutter, Frank W.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
266147, 266157, 266159, 266 89, 55226, 55385D, 261DIG56, B01D 4710
Patent
active
041451937
ABSTRACT:
Stack gas is first passed through a coarse-particle separator and then a prescrubbing tower. Then this gas, which is under pressure, is passed through a pair of differential-pressure (annular-gap) washers. The output side of one of the washers is connected directly to a droplet separator at the output of the system. The outlet of the other washer is connected through a turbine driving an electric generator and having its output side in turn connected to the droplet separator. The control body of at least the washer which is connected directly to the droplet separator is adjustable so as to maintain a constant backpressure in the system at the blast furnace from which the stack gas comes. The washer connected to the turbine is set up to pass at least four times as much of the gas as the other washers so that most of the gas passes through the turbine, undergoing a pressure drop that is transformed into the work of driving the turbine and generates electricity.
REFERENCES:
patent: 3559970 (1971-02-01), Hamabe et al.
patent: 3844745 (1974-10-01), Hegemann et al.
patent: 4007025 (1977-02-01), Hegemann
patent: 4052042 (1977-10-01), Hegemann et al.
patent: 4055331 (1977-10-01), Hegemann
Gottfried Bischoff Bau Kompl. Gasreinigungsund Wasserruckkuhlanl
Lacey David L.
Lutter Frank W.
Ross Karl F.
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