Method and apparatus for sterilizing sterilization filter unit
AssigneeDai Nippon Printing Co., Ltd.
InventorAtsushi HAYAKAWA
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Abstract
To sterilize a sterilization filter unit with heated steam, minimize the heat load on the sterilization filter unit and extend the service life of the sterilization filter unit. Heated steam is supplied to a sterilization filter unit that sterilizes supplied air, the temperature of the heated steam discharged from the sterilization filter unit is measured at predetermined time intervals, the F value is calculated from the measured temperature, and sterilization of the sterilization filter unit is ended when the F value reaches a target value.
Claims5
A method for sterilizing a sterilization filter unit, wherein heated steam is supplied to the sterilization filter unit, which sterilizes supplied air, a temperature of the heated steam discharged from the sterilization filter unit is measured at predetermined time intervals, an F value is calculated from the measured temperature, and sterilization of the sterilization filter unit is ended when the F value reaches a target value.
An apparatus for sterilizing a sterilization filter unit, wherein a heated steam supply device is provided between an air supply apparatus and the sterilization filter unit, which sterilizes air supplied from the air supply apparatus, heated steam is supplied to the sterilization filter unit from the heated steam supply device, a temperature sensor is provided which measures a temperature of the heated steam discharged from the sterilization filter unit, the temperature of the discharged heated steam is measured at predetermined time intervals, a calculation apparatus is provided which calculates an F value from the measured temperature, and sterilization of the sterilization filter unit is ended when the F value reaches a target value.
Dependencies are inferred from the claim text.