Heat recovery process in coal gasification

Details Heat recovery process in coal gasification Heat recovery process in coal gasification

1982-09-29

1984-07-24

Kratz, Peter F.

Gas: heating and illuminating

Processes

Coal

48202, 55 76, 55 79, 55 80, 55 85, 55 89, 55 99, 122 7R, C10J 384

Patent

active

044616295

ABSTRACT:
An overall process of cooling, dust removal, tar removal and heat recovery of high temperature gas generated in coal gasification furnaces, and apparatuses employed therefor are provided. In this process, specific apparatuses such as fluidized bed-cooler, fluidized bed-combustion furnace for regenerating granules, granular bed filter, gas cooler, and tar scrubber are successively and effectively employed. During the process, high, medium and low pressure steam, for example, are recovered by heat exchange in these apparatuses.

REFERENCES:
patent: 4033117 (1971-07-01), Smith
patent: 4149858 (1979-04-01), Noack et al.
patent: 4198212 (1980-04-01), Tsao
patent: 4233275 (1980-11-01), Kimura et al.
patent: 4307773 (1981-12-01), Smith

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