Power plant with drying means for fuel

Details Power plant with drying means for fuel Power plant with drying means for fuel

1988-03-23

1989-08-29

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

34 57A, 110266, F02C 326

Patent

active

048605360

ABSTRACT:
A power plant burning a fuel, primarily coal, in a bed vessel with a fluidized bed of a particulate material at a pressure exceeding atmospheric pressure. Consumed bed material and/or ashes separated from combustion gases are removed through a pressure-reducing discharge means. A part of the pressure-reducing discharge means is located in a dryer for crushed coal which forms a bed arranged as a bed vessel where crushed coal to be dried forms a fluidizable bed. The bed is fluidized by gas introduced through nozzles in the bottom of the bed vessel. The discharge portion constitutes a heater for the bed and a cooler for the discharge portion.

REFERENCES:
patent: 2677234 (1954-05-01), Secord
patent: 3912002 (1975-10-01), Elliott
patent: 4159682 (1979-07-01), Fitch et al.
patent: 4292742 (1981-10-01), Ekberg
patent: 4304049 (1981-12-01), Curtius
patent: 4414905 (1983-11-01), Beranek et al.
patent: 4449483 (1984-05-01), Strohmeyer
patent: 4499944 (1985-02-01), Komakine
patent: 4552203 (1985-11-01), Chrysostowe et al.
patent: 4590868 (1986-05-01), Ishihara
patent: 4627173 (1986-12-01), O'Hagan et al.

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