Furnaces – With fuel treatment means – Means for liberating gas from solid fuel
Patent
1995-06-07
1997-09-16
Bennett, Henry A.
Furnaces
With fuel treatment means
Means for liberating gas from solid fuel
110218, 110235, 60 3929, F23G 512
Patent
active
056668902
ABSTRACT:
A gasification system for biomass fuel. The system includes a bulk biomass feeder in which biomass fuel is stored and from which biomass fuel is supplied to the system. A pneumatic conveyor system is employed that transports the biomass fuel from the feeder to a high pressure feed tank. Once deposited in the feeder, the pressure on the fuel is raised and maintained throughout the balance of the gasification process. From the feeder, the fuel travels on a variable speed pressurized conveyance and is dispensed in a controlled and regulated manner to the reactor vessel that takes the form of a fluidized bed reactor. The fuel is gasified in the reactor and the resulting gas and ash mixture is separated. At a cyclone, most of the suspended ash is removed from the mixture. After the cyclone, the gas may be is further filtered before transmission to an end use. The system may optionally be automated by computer control.
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Bennett Henry A.
Druce Novak
O'Connor Pamela A.
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