Rotating kiln seal

Details Rotating kiln seal Rotating kiln seal

1994-12-08

1996-09-03

Bennett, Henry A.

Heating

Tumbler-type rotary - drum furnace

Having flexible, cooled, or air curtain seal between rotary...

432103, 432120, 34108, 34242, F27B 724

Patent

active

055518702

ABSTRACT:
A rotating seal device for a rotary drum kiln. A rotating seal member is welded about the drum near each of its ends, each sealing against a rotationally stationary seal member joined with the associated kiln end hood through a flexible gas tight bellows. The stationary seal rides on a pair of rollers each bearing upon a track, preventing its rotation. The bellows accommodates longitudinal expansion and contraction of the drum. Hanging weights are used with pulley wheels and flexible cables to urge the non-rotating members against the rotating members with unvarying force.

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