Method and apparatus for sterilization and/or heat treatment of

Details Method and apparatus for sterilization and/or heat treatment of Method and apparatus for sterilization and/or heat treatment of

1997-04-23

1999-01-05

Thornton, Krisanne

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Heat treating vessel with heating means

422 26, 422 32, 422295, 422298, 422308, 432134, 426511, 426521, 426519, 366341, B01F 916

Patent

active

058558578

ABSTRACT:
Apparatus (1) for sterilization and/or heat treatment of products in particle form, e.g. bone meal, and comprising an upright-standing pressure vessel (2) with elevator arrangement (6) which lifts the meal from the bottom area (5) to the top area (4), and lets it fall back to the bottom area for re-lifting.
The processing is effected by direct steam supply (16), whereby the meal is heated to sterilization temperature.
After the treatment or the sterilization, the vessel is emptied by the opening of a bottom valve (10). During the whole of the process, i.e. during filling, sterilization and emptying, the elevator arrangement (6) is in operation.
The elevator arrangement is, for example, a helical vibration elevator firmly built into the vessel and with external vibration motors (8), so that the whole of the vessel is made to vibrate.

REFERENCES:
patent: 3868213 (1975-02-01), Shulika et al.
patent: 4064794 (1977-12-01), Kunz
patent: 4663122 (1987-05-01), Sparks
patent: 5344609 (1994-09-01), Long
patent: 5523053 (1996-06-01), Dudek
Encyclopaedia of Food Science, Food Technology and Nutrition(1993), "Sterilzation by Heat", pp. 4401-4402.

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