Method of and an apparatus for drying fibrous material

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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34 92, 34104, F26B 700

Patent

active

047020148

ABSTRACT:
Fibrous material is dried in a vessel 1 by passing vapor through the same which is circulated in a circulation conduit 26, superheated in a continuous flow heater 20 and circulated by a fan 16. A vacuum pump 31 is connected to the circulation conduit 26 by a pressure control valve 32.

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