Furnaces – Process – Burning pulverized fuel
Patent
1984-11-14
1986-12-09
Favors, Edward G.
Furnaces
Process
Burning pulverized fuel
48210, 110229, F23D 100
Patent
active
046273670
ABSTRACT:
In a hot gas generating apparatus coal is fed to a first gasifying fluidized bed wherein it is partially gasified to generate a combustible gas and char. The char is circulated to a second combustion fluidized bed for burning in the presence of excess air. The combustible gas is mixed with the oxygen rich gases from the second bed and burnt to give a hot gas product.
REFERENCES:
patent: 4253409 (1981-03-01), Wormser
patent: 4325327 (1982-04-01), Kantesaria et al.
patent: 4344371 (1982-08-01), Zoschak
patent: 4344373 (1982-08-01), Ishii et al.
patent: 4419966 (1983-12-01), Jenkins et al.
patent: 4457289 (1984-07-01), Korenberg
Coal Industry (Patents) Limited
Favors Edward G.
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