Coal-fired combined plant

Details Coal-fired combined plant Coal-fired combined plant

1985-02-22

1986-05-27

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

60 39464, 60 395, 110216, F23D 100

Patent

active

045908680

ABSTRACT:
In a coal-fired combined plant, finely powdered coal is burned at high temperature in a pressurized coal-melting combustion furnace to obtain combustion gas substantially free of dust to drive a gas turbine in order to generate electric power. Waste gas from the gas turbine is used to produce steam which drives a steam turbine for additional electric power generation. Primary dust removal from the combustion gas is carried out by removing most of the resulting coal ash in a molten state. In a secondary dust removal, the dust is removed from the combustion gas by a cyclone disposed in the combustion furnace. In a tertiary dust removal, the dust is removed from the combustion gas which is discharged through an outlet at the combustion furnace by a precision dust-removing device.

REFERENCES:
patent: 4019314 (1977-04-01), Springmann
patent: 4089631 (1978-05-01), Giles
patent: 4462205 (1984-07-01), Giles et al.

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