Evaporation Technoloy
Direct Steam Sterilization
Concentrated food products need to be sterilized before they can be stored, packed or dried.
Concentrated food products need to be sterilized before they can be stored, packed or dried.
GEA has a wide range of experience in product sterilization by direct steam injection.
During the direct high-heating, steam is injected into the product by means of a DSI unit (DSI = direct steam injector). In this way, the product is suddenly heated and flashed against a low pressure after a very short holding period and in this way it is cooled again just as quickly.
This sterilization process shows significant advantages compared to an indirect high-heating by means of heat exchangers. In case of indirect high heating the holding time at high temperatures is much longer.The short retension time and the possibility to treat high viscous products are the main advantages of this technology.
Vertical shell-and-tube heat exchanger, with a laterally or concentrically arranged centrifugal separator.
Horizontal or vertical shell-and-tube heat exchanger or plate heat exchanger as the calandria, with flash vessel/separator arranged above the calandria, circulation pump.
A plate-and-frame configuration employs special plates, with alternate product and heating channels. The plates are sealed by gaskets located within specially designed slots that do not require adhesives. These gaskets can be inserted and removed without special tools.
Вертикальный кожухотрубный теплообменник с короткой длиной трубки и с расположенным сверху боковым сепаратором.
Доступность для лабораторных и экспериментальных испытаний с использованием опытных установок для различных типов выпарных установок.
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