Gas: heating and illuminating – Generators – Cupola
Patent
1974-08-20
1976-02-10
Serwin, R. E.
Gas: heating and illuminating
Generators
Cupola
48 68, 48202, C10J 316, C10J 342
Patent
active
039376206
ABSTRACT:
Coal is gasified under elevated pressures and temperatures in a reactor having a rotatably mounted grate and supply conduits for oxygen-containing and oxygen-free gasifying agents. The rotary grate contains an internal chamber adjacent to the bearing for the grate and one of the supply conduits is adapted to feed an oxygen-free fluid to this internal chamber. The uppermost portion of the rotary grate contains a substantially closed internal chamber which has a supply conduit for feeding an oxygen-free fluid thereto. A mixing chamber is positioned between the uppermost chamber and the chamber adjacent the bearing for the grate and is provided with passages which lead to the charge to be gasified. The mixing chamber communicates with the uppermost chamber as well as the chamber adjacent the bearing and also has a supply conduit for feeding gasifying agents containing free oxygen thereto.
The process disclosed involves maintaining those portions of the rotary grate having the least resistance to free oxygen in a steam atmosphere.
REFERENCES:
patent: 1412118 (1922-11-01), Johnston
patent: 1810738 (1931-06-01), Van Heeden
patent: 1814787 (1931-07-01), Daae
patent: 1972897 (1934-09-01), Odell
patent: 2808321 (1957-10-01), Junkers
Kupfer Hans
Rudolph Paul
Schmidt Werner
Metallgesellschaft Aktiengesellschaft
Serwin R. E.
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