Gas: heating and illuminating – Generators – Cupola
Patent
1984-10-31
1986-09-23
Kellogg, Arthur
Gas: heating and illuminating
Generators
Cupola
48197R, 48210, 16510416, 423230, C10J 356
Patent
active
046133445
ABSTRACT:
A method and apparatus for cleaning hot gases produced during a coal gasification process in a reactor, wherein the hot gases leaving the reactor are cooled in a plurality of cooling stages to a relatively low temperature. In accordance with this invention, a particulated solid is added to the hot gases and circulated through at least one of the cooling stages. The particulated solid may be a material which decomposes in the hot gases to liberate carbon dioxide or it may be inert.
The apparatus of the invention makes use of a heat exchanger which functions as a radiant cooler and also as a mixer for the gases and solids, the heat exchanger being connected directly to the gasification reactor at the exhaust gas side thereof. The heat exchanger is followed by at least one downstream, multi-stage cyclone fluidized bed heat exchanger which also is provided with an indirect heat exchange capability.
REFERENCES:
patent: 4170550 (1979-10-01), Kamody
patent: 4233275 (1980-11-01), Kimura et al.
patent: 4282009 (1981-08-01), Belke et al.
patent: 4395975 (1983-08-01), Ashworth et al.
Henrich Gunter
Hoffmann Harald
Mey Klaus-Peter
Waldhecker Heinz-Dieter
Kellogg Arthur
Klockner-Humboldt-Deutz AG
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