Liquid heaters and vaporizers – Plants – Feed water heaters
Patent
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.
Favors Edward G.
Hoatson Jr. James R.
Page II William H.
Spears Jr. John F.
UOP Inc.
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