Heat treatment apparatus

Details Heat treatment apparatus Heat treatment apparatus

1980-09-16

1982-03-02

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With waste gas heat and/or power conservers

34213, 34216, 432163, 432164, 432170, F26B 1302

Patent

active

043172903

ABSTRACT:
An apparatus for the heat treatment of a material passing through a plurality of treatment zones using a heated gaseous treatment medium conducted in a substantially closed circuit through these zones. A heat exchanger is associated with each treatment zone. The heat exchanger defines, in an operative relation with the respective treatment zone a medium discharge path and a medium replacement path which paths are arranged in a heat exchange relationship. The fractional portion of a treatment medium discharged from each treatment zone transfers its heat and energy to the fresh replacement medium. A throttle or flow control in the medium replacement path for each treatment zone permits individualized control of draft and medium turnover according to the different conditions prevailing in each zone. A filter is also provided to prevent impurities in the medium discharge flow path from entering the heat exchanger.

REFERENCES:
patent: 2314748 (1943-03-01), White
patent: 2649989 (1953-08-01), Geijerstam
patent: 2750680 (1956-06-01), Houdry et al.
patent: 2799096 (1957-07-01), Scott
patent: 4137648 (1979-02-01), Rhodes
patent: 4231165 (1980-11-01), Gresens et al.
patent: 4247991 (1981-02-01), Mehta
patent: 4255870 (1981-03-01), Malmquist

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