Freezing and thawing apparatus and thawing method of frozen stuff

摘要

A freezing and thawing apparatus includes a freezing and thawing treatment tank for filling freezing and thawing treated water, a plurality of ultrasonic vibrators for oscillating ultrasound different in frequency in the freezing and thawing treatment tank, a treated water cooler for cooling the freezing and thawing treated water, and an ultrasonic vibrator controller for controlling the ultrasonic vibrators.