Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1990-05-23
1993-01-05
Yuen, Henry C.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
110106, 110245, F26B 1700
Patent
active
051759438
ABSTRACT:
The invention provides an improved method and apparatus for feeding solids to a fluidized bed reactor. A back pressure control valve regulates the pressure drop between the pressure above a solids column in a standpipe and the pressure in the reactor. Solids are fed from the standpipe via a conduit without valve means, the conduit contains a bend of an angle greater than the angle of repose of the solids.
REFERENCES:
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patent: 4332207 (1982-06-01), Blaskowski et al.
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patent: 4419941 (1983-12-01), Santalla
patent: 4707350 (1987-11-01), Bandequin et al.
patent: 4716856 (1988-01-01), Beisswenger et al.
Eastham Donald H.
Reeves James W.
E. I. Du Pont de Nemours and Company
Gould David J.
Yuen Henry C.
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