Drying and gas or vapor contact with solids – Process – By centrifugal force
Patent
1994-08-25
1996-12-10
Bennett, Henry A.
Drying and gas or vapor contact with solids
Process
By centrifugal force
34322, 34328, 210770, F26B 508
Patent
active
055819044
ABSTRACT:
A method and apparatus for drying particulate matter such as vegetables and the like is disclosed. The apparatus has a centrifugal dryer that includes a drum adapted to be rotated about its longitudinal axis which is canted with respect to the vertical. The drum is open at its upper end to receive the particulate matter, the lower end of the drum includes a lower opening to facilitate dispensing of the particulate matter after it has been dried. The drum includes a perforate wall and a radially inwardly extending annular member which preferably extends from the lower end of the perforate wall. In use, the drum is rotated at a low speed whilst the particulate matter is introduced, the drum then being accelerated through the drying cycle and decelerated again for dispensing through the lower opening. In the preferred form the dryers are used in coupled pairs which allows for effectively continuous processing, despite the batch type operation of the individual dryers.
REFERENCES:
patent: 11458 (1854-08-01), Black
patent: 1212831 (1917-01-01), Spelman
patent: 2787841 (1957-04-01), Warino
patent: 3152078 (1964-10-01), Lavanchy
patent: 3275142 (1966-09-01), Ekegren et al.
Bennett Henry A.
Freshpac Machinery Pty. Ltd.
Tinker Susanne C.
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