High-yield dry ice production device

The utility model discloses a high-yield dry ice production device which comprises a raw material tank used for storing a carbon dioxide raw material; the recooler is provided with a recooler hot side and a recooler cold side, the recooler hot side is connected with the raw material tank through a raw material pipeline, and a first refrigerant is introduced into the recooler cold side; the subcooler is provided with a subcooler hot side and a subcooler cold side, the subcooler hot side is connected with the recooler through a pre-cooling rear pipeline, and a second refrigerant is introduced into the subcooler cold side; and the dry ice machine is connected with the subcooler through a subcooling pipeline. According to the high-yield dry ice production device, the preparation rate of dry ice can be increased by 10-18%, economic benefits are remarkable, carbon dioxide tail gas emission in the dry ice preparation process is reduced, and good environmental protection benefits are achieved. 本申请公开了一种高产率干冰生产装置，包括：原料