Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1987-03-09
1988-01-05
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34119, F26B 1318
Patent
active
047166614
ABSTRACT:
A hollow journal extending from a dryer drum is provided with an internal tube defining an angular insulating space between the inner wall of the hollow journal and the tube. This space is sealed at the inner end adjacent to dryer drum and is vented at the opposite end so that the insulating space is vented to atmosphere thereby provide a simple mounting system for mounting the fluid transfer passages through the dryer drum head and journal structure that better insulates the journal from the tube.
REFERENCES:
patent: 1715677 (1929-06-01), Ritchie
patent: 1948963 (1934-02-01), Dukes
patent: 4501075 (1985-02-01), Jenkner et al.
MacMillan Bloedel Limited
Rowley C. A.
Schwartz Larry I.
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