Method of recovering exhaust gas from boiler in electrical power

Details Method of recovering exhaust gas from boiler in electrical power Method of recovering exhaust gas from boiler in electrical power

1983-03-02

1984-10-02

Yuen, Henry C.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60645, 432 14, 432106, 110347, 122 7R, F01K 1500, F27B 1500

Patent

active

044740107

ABSTRACT:
A method of and apparatus for recovering exhaust gas from a boiler 2 of a thermal electric power generating device 1 are disclosed. The exhaust gas from the boiler 2 is fed through a conduit 30 to a preheat section 21 of a powder raw material treating device 20. The heat of the exhaust gas is recovered as a heat source for preheating the powder raw material. The ash contained in the exhaust gas is recovered as part of the powder raw material at the preheat section. The sulfur oxides in the exhaust gas react with the desulfurizing component of the powder raw material at the preheat section, and its reaction product is recovered as part of the powder raw material.

REFERENCES:
patent: 4083679 (1978-04-01), Bade
patent: 4094626 (1978-06-01), Boyhont et al.
patent: 4226585 (1980-10-01), Deussaer
patent: 4236886 (1980-12-01), Ansen et al.
patent: 4248639 (1981-02-01), Quittkat
patent: 4310298 (1982-01-01), Abelitis
patent: 4315734 (1982-02-01), Ramesohl et al.
patent: 4326471 (1982-04-01), Rohrbach et al.
patent: 4349331 (1982-09-01), Floter
patent: 4381916 (1983-05-01), Warshawasky
patent: 4388067 (1983-06-01), Christiansen

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