Recuperative furnace
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United States of America Patent
Stats
-
May 22, 1984
Grant Date -
N/A
app pub date -
Jan 6, 1983
filing date -
Jan 6, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recuperative furnace and method for heating wherein the recirculation air blower directs the return air upwardly first to a recuperative heat exchanger and then to a second heat exchanger operating from the heat of combustion. The flue gases are routed directly to the recuperative heat exchanger where a portion of the products of combustion condense. Accordingly, the recuperative heat exchanger not only provides sensible heat transfer from the flue gases but also recovers a portion of the latent heat of vaporization. The second heat exchanger transfers heat from a solution to the recirculation air. The solution flows through a closed loop between the second heat exchanger and a heat transfer module which includes the burner.
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