... catch water alternately 3,Bitzer compressor 4,R717/R22 5,PLC control ApplicationVegetable and fruit lyophilizer is ... vegetable, aquatic, meat, instant foodstuff, chemical stoneware and other products except grease.Working principleAfter some pretreatments, in ... system includes the following parts1. pretreatment system2. freezing and drying tank3. heating system4. vacuum system5. refrigeration system6 ...