| 摘要 |
After the interior of a sterilizer having a sealed structure, into which raw materials have been charged, is instantaneously heated and pressurized by superheated steam, the pressurized state is released, the sterilizer is quickly evacuated to vacuum, the raw materials so sterilized are continuously transferred to a hermetic vacuum cooling dryer and is cooled and dried in vacuum. The sterilizer is useful for sterilization of herbal medicines, foodstuffs, etc., can effectively sterilize them without lowering their commercial values, and moreover, has high work efficiency.
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