Exhaust gas purification device

Details Exhaust gas purification device Exhaust gas purification device

1995-12-19

1997-12-16

Kwon, John T.

Power plants

Combustion products used as motive fluid

With exhaust treatment

60301, F02G 1055

Patent

active

056972113

ABSTRACT:
An exhaust gas purification device comprising a rotary type heat accumulator rotated by a turbine. An NO.sub.x absorbent is carried on this heat accumulator. The exhaust gas discharged from the turbine circulates in the heat accumulator via an exhaust duct, and at this time, the heat accumulator is heated and, at the same time, NO.sub.x is absorbed into the NO.sub.x absorbent. Air discharged from the compressor is heated when circulating in the heat accumulator and is subsequently fed into the combustion vessel. When the fuel is supplied to the air to be fed into the heat accumulator and becomes a rich gaseous mixture, NO.sub.x is released from the NO.sub.x absorbent.

REFERENCES:
patent: 3641763 (1972-02-01), Cole
patent: 3797231 (1974-03-01), McLean
patent: 3896875 (1975-07-01), Bolger
patent: 3977464 (1976-08-01), Mai
patent: 5237939 (1993-08-01), Spokoyny et al.
patent: 5403641 (1995-04-01), Katoh et al.
patent: 5404719 (1995-04-01), Ataki et al.
Database WPI, Section Ch, Week 9124, 1991, Derwent Publications Ltd., London, GB, Class J01, AN 91-176270 & Su-A-1 581 356 (Cryogenic Equip RES), 30 Jul. 1990.

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