Gas: heating and illuminating – Generators – Cupola
Patent
1976-12-01
1978-02-14
Lindsay, Jr, Robert L.
Gas: heating and illuminating
Generators
Cupola
48 86R, 48DIG2, 48DIG4, 141 47, 141 67, 177 70, 214 182, 222 58, 266 82, B01J 300
Patent
active
040736288
ABSTRACT:
Fine-grain fuel is delivered from pressure vessels with a vehicle gas as a fluidized flow into a reactor for gasification at an elevated pressure. A gaseous gasification agent is also fed into the reactor. A control system for the fine-grain fuel and gasification agent includes detectors to provide an electrical signal which varies during feeding of fuel from the pressure vessels into the reactor. Controllers produce a fuel rate control signal corresponding to a comparison between the electrical signal from the detectors and a predetermined reference value corresponding to the desired fuel supply rate. Control valves respond to the fuel rate control signal to adjust the supply of vehicle gas to transfer fuel from the pressure vessels into the reactor. When a plurality of pressure vessels is used, then separate detectors, controllers and control valves form part of a control system which further includes computing means to provide a summation signal corresponding to the output signals from the various detectors. The summation signal is used by the various controllers for adjusting the control valves associated with each pressure vessel. A further controller produces a gasification agent control signal in response to a comparison between the summation signal and a predetermined reference value corresponding to a desired supply rate of gasification agent into the reactor. A control valve is operated in response to the gasification agent control signal. The control system further includes a gas analyzer responsive to the gaseous product from the reactor to monitor the supply of gasification agent into the reactor and adjust the supply thereof to the reactor.
REFERENCES:
patent: 2984387 (1961-05-01), White
patent: 3307646 (1967-03-01), Hage
patent: 3362490 (1968-01-01), Maxwell
patent: 3689045 (1972-09-01), Coulter et al.
patent: 3820768 (1974-06-01), Sieckman et al.
patent: 3889848 (1975-06-01), Ricciardi et al.
Danguillier Wilhelm
Gernhardt Paul
Grams Wolfgang
Pohl Siegfried
Dr. C. Otto & Comp. G.m.b.H.
Lindsay, Jr Robert L.
Murray Thomas H.
Yeung George C.
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