Method for the gasification of solid carbonaceous fuel

Details Method for the gasification of solid carbonaceous fuel Method for the gasification of solid carbonaceous fuel

1983-06-09

1984-07-24

Kratz, Peter F.

Gas: heating and illuminating

Processes

Fuel mixtures

48206, C10J 308, C10J 316

Patent

active

044616287

ABSTRACT:
A method of operating a gasifier having at least four, and preferably eight, tuyeres, so as to bring about a rapid turndown from full operational loading to a relatively lower operational loading without the risk of either a temporary or permanent loss of a tuyere. The gasifying medium is arranged to be supplied to the tuyeres at either a first velocity and loading or a second, lower, velocity and loading and in carrying out the method the gasifying medium supplied to some or all of the tuyeres is changed abruptly from the first to the second velocity and loading at selected frequent intervals, in a predetermined pattern, so that a selective pulsing operation of the tuyeres occurs to bring about the required reduction in loading.

REFERENCES:
patent: 3390971 (1968-07-01), Hebden et al.
patent: 3887326 (1975-06-01), Townley

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