Power generation method including control of temperature of flue

Details Power generation method including control of temperature of flue Power generation method including control of temperature of flue

1997-02-26

1999-09-21

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 39464, 55268, F02C 326

Patent

active

059538988

ABSTRACT:
A power generation method includes steps of fluidizing a bed of combustible material in a furnace section to combust the combustible material, discharging a flow of high temperature flue gases and fine particulate material entrained therein from the furnace section, introducing the flow of high temperature flue gases and the fine particulate material into a flue gas temperature controller, dividing the flow of high temperature flue gases and the fine particulate material into first and second flows of flue gases in the flue gas temperature controller, decreasing the temperature of the second flow of flue gases in the temperature controller, to provide a cooled flow of flue gases, combining the first flow of flue gases and the cooled flow of flue gases in the temperature controller to provide a recombined flow of flue gases, introducing the recombined flow of flue gases and the fine particulate material entrained therein into a high temperature ceramic filter, measuring the temperature of the hot flue gases and particulate material at a position prior to entry into the filter and controlling the temperature of the flue gases entering the filter by adjusting the flow of high temperature flue gases and the fine particulate material in the flue gas temperature controller, on the basis of the measured temperature.

REFERENCES:
patent: 3203175 (1965-08-01), Michalicka et al.
patent: 4380147 (1983-04-01), Zaba
patent: 4474070 (1984-10-01), Lutzke

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