Gas: heating and illuminating – Generators – Cupola
Patent
1991-11-26
1994-06-07
Housel, James C.
Gas: heating and illuminating
Generators
Cupola
48 77, 48117, 48 71, 110229, C10J 368
Patent
active
053186028
ABSTRACT:
A fuel gas generator for lean gas generation by gasification of organic, inorganic, or fossil fuel substances. The triple shell structure of the generator includes a frame casing, a shaft jacket, and a reactor shaft. A fuel feeder including a fuel feed container is located substantially at the top of the reactor shaft and has a gas-tight entry lock. Reaction gas feed and ash discharge are located substantially at the base of the reactor shaft. Preheating, degassing, oxidation, and reduction zones and lean gas take-off orifices having at least one lean gas removal pipe connected thereto are arranged one after another in the shaft. The reactor shaft is gas-tight except for the lean gas take-off orifices. A firebox defined by a conical constriction is located in a middle region of the reactor shaft substantially below the preheating and degassing zones. The constriction tapers downwardly towards the base of the firebox retaining and supports a bed, pile, or stack of degassed and partially oxidized fuel substrate. A circular or annular opening, passage, or slot acts as a grate or grid element located at the base of the constriction at the termination of the reduction zone and as an upper terminus of a gas-tight ash chamber. At least one lean gas take-off orifice is located in the reactor shaft below the grid element.
REFERENCES:
patent: 4306506 (1981-12-01), Rotter
patent: 4309195 (1982-01-01), Rotter
patent: 4344772 (1982-08-01), Pillard
patent: 4389222 (1983-06-01), Livemore
patent: 4919686 (1990-04-01), Edwards
Housel James C.
Tran Lien
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