Dry ice preparation in -process recycle carbon dioxide's device

The utility model discloses a dry ice preparation in -process recycle carbon dioxide's device, including the raw material storage jar that connects gradually, first connecting tube, dry ice machine, the second connecting tube, the air exhauster, the third connecting tube, a compressor, the fourth connecting tube, the liquefier, the 5th connecting tube and refrigerator, first connecting tube is equipped with governing valve A, sealing connection and dry ice machine still are equipped with the pressure release mouth between second connecting tube and dry ice machine's the gas vent, the pressurerelease mouth is equipped with the check valve, the liquid outlet of liquefier is put through through the 6th connecting tube with dry ice machine's inlet, be equipped with flow sensor A on the 6th connecting tube, flow sensor A connects a control unit's input, the output of governing valve A connection control unit, the control unit sends control valve A's instruction according to flow sensor A'stesting result. The utili