Heat exchange – With protector or protective agent
Patent
1979-02-28
1981-12-15
Davis, Albert W.
Heat exchange
With protector or protective agent
165145, 165DIG2, F28F 1900, F28F 922
Patent
active
043054552
ABSTRACT:
In an air heater, an initial group of passes on the airside is arranged in the form of a package wherein the passes consisting of banks of tubes are connected in parallel with the uptake gases.
The passes of the package are located predominantly at the same horizontal level, are made of tubes of the same length and run in a zone of the same gas temperatures which is dangerous insofar as corrosion can be provoked therein.
The width of the packaged passes progressively increases directly with the increase in the rates of air flow through the passes, and a feeding air duct admitting the last inflow of cold air is connected downstream of the last and widest pass to the connecting air duct serving the rest of the passes of the air heater.
In an apparatus like this one, assembled from standard components, minimum overall dimensions and low weight are combined with high thermal efficiency.
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patent: 3194214 (1965-07-01), Frendberg
patent: 4243096 (1981-01-01), Lipets et al.
Kuznetsova Svetlana M.
Lafa Jury I.
Lipets Adolf U.
Davis Albert W.
Ratliff, Jr. Wesley S.
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