Control system for a coal gasification plant

Details Control system for a coal gasification plant Control system for a coal gasification plant

1976-12-01

1977-09-20

Lindsay, Jr., Robert L.

Gas: heating and illuminating

Generators

Cupola

48 73, 48 83, 48 86R, 214 182, 266 82, 302 53, B01J 300, C10J 350

Patent

active

040493946

ABSTRACT:
A control system maintains a predetermined volumetric ratio between fine-particle fuel and a gasification agent which are fed separately into a reactor wherein the fuel is gasified under pressure. The control system includes a first measuring means responsive to the absorption of electromagnetic radiation by the fine-particle fuel in a fuel-feed line for producing a fuel-feed signal corresponding to the volumetric amount of fuel conducted by the line. A vehicle gas-feed signal is produced by a second measuring means in response to the volumetric amount of vehicle gas conducted by a line into the fuel-feed line for admixture with the fuel therein. Computing means is responsive to the fuel-feed signal and the vehicle gas-feed signal to produce a control signal according the expression:

REFERENCES:
patent: 2630373 (1953-03-01), Grossman
patent: 3689045 (1972-09-01), Coulter et al.

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