System for drying wet, porous webs

Details System for drying wet, porous webs System for drying wet, porous webs

1981-04-13

1982-12-21

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34115, 68 5D, F26B 1330

Patent

active

043641857

ABSTRACT:
The system comprises a stationary drum with at least one end having a large open area, and a coaxial, rotatable cylinder of larger diameter than the stationary drum mounted for rotation about the stationary drum.
The stationary drum has a plurality of circumferentially-separated, longitudinally-extending sets of gas baffles on its outside surface and a plurality of circumferentially-separated, longitudinally-extending sets of inwardly-extending louvers adapted to direct gas in an axial direction inside the stationary drum.
First sealing members and circumferentially-separated second sealing members each extend across the annular space between the stationary drum and the rotatable cylinder to divide the annular space into two different pressure zones.

REFERENCES:
patent: 3054193 (1962-09-01), Wright
patent: 3430352 (1969-03-01), Fleissner

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