Air preheating system for continuous fired furnace

Details Air preheating system for continuous fired furnace Air preheating system for continuous fired furnace

1986-08-06

1987-05-19

Yuen, Henry C.

Heating

With interlocked, interconnected or multiway controller...

432 40, 432181, 432 30, 432180, C21B 912, F16K 1100

Patent

active

046664033

ABSTRACT:
A system for preheating air being fed to a continuous fired furnace by means of high temperature waste gases exhausted from the furnace. The system includes two pairs of interconnected regenerators. The regenerators of one pair are alternately connected by means of a reversing valve to an ambient air inlet and a waste gas exhaust stack, and the regenerators of the other pair are alternately connected by means of a second reversing valve to the furnace's waste gas outlet duct and combustion air inlet duct.

REFERENCES:
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patent: 2601979 (1952-07-01), Rice et al.
patent: 3170679 (1965-02-01), Keefer
patent: 3184223 (1965-05-01), Webber
patent: 3207493 (1965-09-01), Swain
patent: 3223135 (1965-12-01), Webber
patent: 3918890 (1975-11-01), Blaine
patent: 4060913 (1977-12-01), Yoshida et al.
patent: 4522588 (1985-06-01), Todd et al.

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