| 摘要 |
FIELD: food industry.SUBSTANCE: proposed inventions group relates to the field of liquid food products sterilisation and may be used in food, medicine and microbiological industry branches as well as in the service sector. The liquid media sterilisation method involves a medium delivery though the inlet line with the medium subsequent heating by way of UHF-exposure in the UHF-heater, then - the medium cooling within the outlet line section with subsequent delivery of the medium from the outlet line into the inlet one thus making a closed circuit; the medium bleeding from the outlet line is performed before and/or after cooling; the medium electrolysis is performed in the process of UHF- exposure. The medium cooling is performed using the heat recuperation process ensuring heating of the liquid being delivered to the inlet into the UHF-heater due to contact with liquid discharged from the UHF-heater. The steriliser includes a UHF-heater connected to the pump on the inlet side, a recycle circuit (consisting of the inlet line and the outlet one and equipped with shut-off valving), a recuperator and an electrolyser. The UHF-heater is designed in the form of a waveguide connected to the UHF-generator with a sterilisation chamber placed in the waveguide. The recuperator is formed by the part of the inlet line placed between the pump and the UHF-heater and matched to a part of the outlet line; the electrolyser is placed on the side of the sterilisation chamber inlet; one of the electrodes is placed on the waveguide outside; the second electrode is formed by the waveguide surface part having holes for passage of the medium being sterilised and limited on the side of the waveguide inner surface with the sterilisation chamber walls.EFFECT: sterilisation reliability enhancement due to spore-forming microorganisms forms elimination at a temperature lower than 100°C under standard (atmospheric) pressure.12 cl, 6 dwg, 6 tbl |
