Raw material sterilization device for preparing anthocyanin

The utility model discloses a raw material sterilization device for anthocyanin preparation in the technical field of anthocyanin sterilization, which comprises a sterilization device, a first bearing frame is mounted in the sterilization device, a second bearing frame and a third bearing frame are mounted below the first bearing frame, and an ozone generator is mounted on the outer side of the sterilization device. A first gas guide pipe connected with the bottom of the ozone generator is mounted on the inner side wall of the sterilization device, an exhaust port is formed in the upper portion of each bearing frame, and sliding rails are jointly mounted on the two side walls of each bearing frame and the two side walls of the interior of the sterilization device in order to conveniently move the first bearing frame; and meanwhile, a gap is formed in the containing disc of each bearing frame, air circulation is facilitated, and after internal anthocyanin raw materials are sterilized, an air pump installed at