Gasifier with gas scroured throat

Details Gasifier with gas scroured throat Gasifier with gas scroured throat

1988-01-20

1990-04-24

Woodard, Joye L.

Gas: heating and illuminating

Generators

Cupola

48 87, 48DIG2, C10J 348, C10J 382

Patent

active

049196880

ABSTRACT:
Gasifier for combusting a particulated carbonaceous fuel by injecting a stream of the fuel into the gasifier combustion chamber together with a combustion supporting gas. The fuel mixture is burned to produce a usable gas and a particulated residual, both of which are directed into a liquid holding quench chamber. A constricted, frusto-conical throat which conducts the usable gas and particulated residual includes one or more nozzles that open into the throat and serve to direct pressurized jets of a scouring fluid into contact with residual particles which have become deposited on the throat wall, to displace the latter and thereby keep the throat void of such deposits.

REFERENCES:
patent: 3414632 (1968-12-01), Buschmann et al.
patent: 3988123 (1976-10-01), Coates
patent: 4220469 (1980-09-01), Tippmer
patent: 4300913 (1981-11-01), Egert et al.
patent: 4328006 (1982-05-01), Muenger et al.
patent: 4328007 (1982-05-01), Rafail
patent: 4444697 (1984-04-01), Gater et al.
patent: 4479809 (1984-10-01), Johnson et al.
patent: 4525176 (1985-06-01), Koog et al.
patent: 4605423 (1986-08-01), Koog

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