Pressure-controlling method of sterilizing kettle in sterilization cooling stage
A technology of pressure control and sterilization, which is applied in the fields of food science, food preservation, and application, can solve the problems of large instantaneous pressure drop, increased heat exchange area, and increased heat exchange efficiency. The effect of high yield and prolonged cooling time
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[0011] The pressure control method in the sterilizing and cooling stage of the retort of the present invention comprises the following steps: 1) opening the air pressure switch and feeding high-pressure air into the retort until the pressure in the retort reaches the initial value; 2) feeding cooling water into the retort 3) Turn on the air pressure switch to continuously feed compressed air into the sterilization tank; the circulation pump is opened according to the pressure gap in the sterilization tank, and the circulation pump is turned on when the pressure in the tank is greater than the set value. Stop the circulation pump when it is less than the set value; 4) After the cooling is completed, empty the cooling water and reduce the pressure in the sterilization tank to atmospheric pressure.
[0012] The continuous opening of the air pressure switch ensures the continuous compensation of the pressure in the sterilization tank; the circulation pump is opened according to the...
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