Method for the thermal cleaning of exhaust gases of a heat treatment apparatus
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United States of America Patent
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-
Nov 1, 1988
Grant Date -
N/A
app pub date -
May 13, 1987
filing date -
May 15, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Exhaust gases from a heat treatment device operated by a gaseous treatment medium, are cleaned by oxidizing the combustible components of the medium. The exhaust gases already cleaned are used in a first heat exchanger for preheating the gases to be cleaned. The cleaned and heated exhaust gases are then passed through a second heat exchanger for heating a heat carrier medium in a first closed heat carrier circuit connected to the treatment device. The exhaust gases coming from the second heat exchanger are supplied to a third heat exchanger connected to a fourth heat exchanger by a second closed heat carrier circuit for transferring heat to a second carrier medium for heating freshly supplied treatment medium in said fourth heat exchanger.
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