Coal gasification installation

Furnaces – With fuel treatment means – Means for liberating gas from solid fuel

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48 77, 110234, 110245, 122 4D, F23G 500

Patent

active

045559929

ABSTRACT:
An installation for gasifying coal in a fluidized bed under high pressure has a vessel resistant to the high pressure and a reactor disposed in the interior of the vessel and having a principal chamber constituting a gasification chamber which permits the establishment of a principal fluidized bed of substantial depth and an auxiliary fluidized bed of a smaller depth. An inclined traveling grate forms the bottom of the gasification chamber and has a lower grate portion supporting the principal fluidized bed and an upper grate portion supporting the auxiliary bed situated in a space between the vessel walls and the gasification chamber. The principal and auxiliary fluidized beds are maintained in hydrostatic equilibrium.

REFERENCES:
patent: 3982884 (1976-09-01), Godel
patent: 4268274 (1981-05-01), Caughey
patent: 4308034 (1981-12-01), Hoang
patent: 4416418 (1983-11-01), Goodstine et al.
patent: 4417528 (1983-11-01), Vining et al.
patent: 4419940 (1983-12-01), Cosar et al.
patent: 4463686 (1984-08-01), Premel

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