Distillation: apparatus – Apparatus – Types
Patent
1986-10-31
1988-05-31
Richman, Barry S.
Distillation: apparatus
Apparatus
Types
165 88, 165 90, 202268, C10B 3910
Patent
active
047479132
ABSTRACT:
Apparatus for cooling granular material such as petroleum coke comprises an elongated drum characterized by a generally cylindrical shell wall having spaced apart circular segment pockets extending radially inwardly from the shell wall toward the central axis of the drum to provide extended heat transfer surfaces and flow spaces for cooling water. The cooling pockets are welded to the shell wall along the edges of opposed sidewalls of the pocket or conduit members themselves. The somewhat flexible drum shell resulting from the aforedescribed construction is strengthened and held substantially rigid for rotation about its central axis by a plurality of circumferentially spaced tension rods which extend from one end of the drum to the other and are engagable with a support plate. A plurality of coil springs are circumferentially spaced about the support plate and are compressed between the support plate and a flange of the drum to uniformly distribute compressive loads on the drum to minimize cyclical bending stresses on the drum during rotation thereof.
REFERENCES:
patent: 2899176 (1959-08-01), Francis et al.
patent: 3190818 (1965-06-01), Otto
patent: 3917516 (1975-11-01), Waldmann et al.
patent: 4557804 (1985-12-01), Baumgartner et al.
Christmas Heyward G.
Erickson Dale D.
Gerstenkorn Ralph
Kelley Ronald E.
Taul Charles A.
Atlantic Richfield Company
Martin Michael E.
Richman Barry S.
Woodard Joye L.
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