Power plants – Combustion products used as motive fluid
Patent
1987-01-27
1988-05-17
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39464, F02C 326
Patent
active
047442123
ABSTRACT:
In the event of an operational disturbance in a turbine-compressor unit of a PFBC plant, the turbine and the compressor are isolated from the bed vessel of the plant by closing a valve in the gas supply conduit to the turbine and by closing a valve in the conduit leading from the compressor. At the same time a valve is opened in a by-pass conduit between the compressor and the turbine. Combustion air is allowed to escape into the atmosphere via one or more blow-off valves. The bed vessel and/or a space between the pressure vessel and the bed vessel are supplied with inert gas in such a way that combustion in the bed is damped down.
REFERENCES:
patent: 4019314 (1977-04-01), Springmann
patent: 4250704 (1981-02-01), Bruckner et al.
patent: 4281510 (1981-08-01), Borjesgard et al.
patent: 4306411 (1981-12-01), Zoll
patent: 4445844 (1984-05-01), Matthews
patent: 4448286 (1985-12-01), Brannstrom
patent: 4498285 (1985-02-01), Kreij
Andersson Mats
Arvidsson Kenneth
Halse Peter
Hjalmarsson Lennart
Tjellander Goran
Asea AB
Casaregola Louis J.
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