A - Human Necessities – 23 – C
Patent
A - Human Necessities
23
C
99/202, 99/72
A23C 3/02 (2006.01) A23C 3/037 (2006.01) A23L 3/00 (2006.01) A23L 3/18 (2006.01) A23L 3/22 (2006.01)
Patent
CA 1166066
Abstract A process for heating fluids to a relatively high temperature, such as sterilization of UHT temperature, in which the fluid, such as a liquid, is heated by direct contact with steam while it in the form of a very thin, free-falling film or a continuous falling stream so that heating of the fluid is accomplished without the fluid coming into contact with any surface and particularly metal surfaces which are hotter than the fluid product being heated and with minimum agitation and turbulence of the fluid product. This procedure enables maximum and uniform heat penetration in a minimum time interval with the film or stream being maintained as thin as possible and unbroken by introducing steam at a relatively low velocity in a large volume vessel. A flow control is incorporated into the apparatus to maintain a constant flow rate of fluid and to maintain a constant and critical fluid level in the bottom portion of the large volume vessel with the flow characteristics of the apparatus and the internal forces produced by the apparatus serving to counterbalance each other to provide a relatively simple hut yet accurate flow rate, and liquid level controls for the fluid being heated.
362035
Nahra John E.
Woods Walter C.
Dasi Industries Incorporated
Swabey Ogilvy Renault
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