Coal gasifier having an elutriated feed stream

Details Coal gasifier having an elutriated feed stream Coal gasifier having an elutriated feed stream

1974-12-23

1976-07-27

Wolk, Morris O.

Gas: heating and illuminating

Processes

Coal and water

48197R, 48206, 252373, C10B 104, C10J 354, C10J 356, C10K 108

Patent

active

039716350

ABSTRACT:
A process for gasifying coal to produce carbon monoxide and hydrogen in which a first stream of coal is burned without bed formation in a combustion zone in the presence of water under oxidation conditions to produce gases containing carbon dioxide and steam. A second stream of coal is maintained as a fluid bed in a separate gasifier zone by upflowing carbon dioxide and steam from the combustion zone while being gasified under reducing conditions to produce carbon monoxide and hydrogen. Feed coal for both streams is first passed through a crusher and the crushed coal is elutriated to remove coal fines, which are too small to be retained in the gasifier fluid bed, from coarse particulates. The elutriated fines are water scrubbed to form a slurry which comprises at least in part said first stream of coal entering the combustion zone, while the coarse particulates comprise said second stream of coal.

REFERENCES:
patent: 2729552 (1956-01-01), Nelson et al.
patent: 2838388 (1958-06-01), Carteek
patent: 2879148 (1959-03-01), Atwell
patent: 2914391 (1959-11-01), Stratford
patent: 3454383 (1969-07-01), Pirsh et al.
patent: 3544291 (1970-12-01), Schlinger et al.
patent: 3607157 (1971-09-01), Schlinger et al.
patent: 3715195 (1973-02-01), Tassoney et al.
patent: 3867110 (1975-02-01), Schora et al.

Affiliated with

Also associated with

Rating

Coal gasifier having an elutriated feed stream does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coal gasifier having an elutriated feed stream, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coal gasifier having an elutriated feed stream will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1623106