F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
48/1, 60/1
F02C 3/26 (2006.01) F01K 23/06 (2006.01)
Patent
CA 1185430
ABSTRACT OF THE DISCLOSURE: A process for energy recovery from solid fossil fuels containing inert material by conversion of these fuels into gases, the process comprising the steps of: supplying the fuel to a pressurised fluidised bed reactor, burning the fuel in the reactor in association with compressed combustion air also supplied to the reactor, thereby generating flue gases in the reactor, and sharply cooling the flue gases inside the reactor by heat exchange with at least one fluid passed through the reactor. Thereafter, cleaning the cooled flue gases under pressure to remove harmful substances, and passing at least a portion of the cooled and cleaned flue gases through the fluidised bed of the reactor to reheat the cooled flue gases. Afterwards, conducting the cleaned and reheated flue gases to a gas turbine driving a compressor for the compression of the combustion air for supplying to the reactor, passing the compressed combustion air to the reactor in countercurrent gas-gas heat exchange relation to the reheated flue gases, conducting water to the reactor to generate steam and to cool the flue gases before they leave the reactor, and passing the steam to a steam turbine. And, an apparatus to carry out this process.
380398
Adrian Fritz
Pogrzeba Hans-Joachim
Robic Robic & Associes/associates
Steag Encotec Gmbh
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