Heat recovery process for fired power plants

Details Heat recovery process for fired power plants Heat recovery process for fired power plants

1978-10-16

1980-06-10

Favors, Edward G.

Liquid heaters and vaporizers

Plants

Feed water heaters

110302, 110345, 122DIG1, 165 7, 165 8, F28F 2702

Patent

active

042067227

ABSTRACT:
Heat is recovered from the flue gas stream discharged from a power plant combustion zone by heat exchange of the flue gas stream against the air stream which enters the combustion zone. Each gas stream flows through two rotating air preheaters, with a first preheater rotating at a constant rate and a second preheater rotating at a variable rate. The rate of rotation of the second preheater is varied to adjust the temperature of either the heated air stream or the temperature of the flue gas stream after passage through the preheaters.

REFERENCES:
patent: 2913228 (1959-11-01), Fikenscher
patent: 3148665 (1964-09-01), Switzer
patent: 4102636 (1978-07-01), Phillips et al.
patent: 4121541 (1978-10-01), Kneissl et al.
patent: 4129176 (1978-12-01), Heyan et al.

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