Heat exchange – Movable heating or cooling surface
Patent
1987-03-18
1988-09-13
Yeung, James C.
Heat exchange
Movable heating or cooling surface
165 92, 34183, F24D 1100, F24F 500
Patent
active
047702362
ABSTRACT:
A paddle type rotary dryer includes a hollow shaft and a plurality of tubular members for interconnecting the interior of a shaft with the interior of each of the paddles. The tubular members extend inwardly into the shaft and prevent the flow of condensate from the shaft into the paddles when the paddles are below the shaft. The tubular members also extend outwardly into the hollow portion of each of the paddles for directing steam into the paddles and define an open passageway or slot so that liquid condensate is drained from the paddles and into the shaft when the vanes are disposed above the shaft, and a fluid conduit is adapted to maintain the level of liquid condensate in the shaft at a height which is less than the height of the inwardly directed tubular member.
REFERENCES:
patent: 464166 (1891-12-01), Venuleth
patent: 2624552 (1953-01-01), Rose
patent: 3020025 (1962-02-01), O'Mara
patent: 3250321 (1966-05-01), Root
patent: 3285330 (1966-11-01), Root
patent: 3613777 (1971-10-01), Nara
patent: 4658891 (1987-04-01), Wurtz
Bethlehem Bulletin 3503 Entitled "The Porcupine Processor." The Bethlehem Corporation, Process Equipment Division, 1980.
Blaw-Knox Food & Chemical Equipment Co.
Yeung James C.
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