Venting system for heat treating flat material webs

Details Venting system for heat treating flat material webs Venting system for heat treating flat material webs

1991-03-22

1993-03-09

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34219, F26B 1300

Patent

active

051917254

ABSTRACT:
A venting system for heat treating flat material webs or films has a drying chamber with a centrally arranged single blower for supplying treatment medium, such as heated and cleaned air, to the surfaces of the flat material. Air guide channels and ducts are so arranged that a single blower is fully sufficient while still obtaining a defined suction withdrawal of the air that has contacted the flat material surfaces. Sets of blowing nozzles face the surfaces of the flat material and are arranged for cooperation with suction nozzles for the return of the treatment medium to the suction side of the blower in a substantially closed treatment medium circulating circuit.

REFERENCES:
patent: 3739490 (1973-06-01), Comstock
patent: 4085522 (1978-04-01), Stroszynski
patent: 4170075 (1979-10-01), Scott
patent: 4286392 (1981-09-01), Viland
patent: 4341024 (1982-07-01), Witkin
patent: 4575952 (1986-03-01), Bodenan et al.

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