冷庫制冷系統的選擇主要是壓縮機與蒸發器的選用，制冷系統是冷庫的核心，主要由壓縮系統、冷凝系統、蒸發系統和調節閥四大部份組成，另外還有風扇、導管和儀表等輔件。
The refrigeration system of choice is the choice of the main compressor and evaporator, cold storage refrigeration system is the core, mainly by the compression system, condensing system, evaporation system and regulating valve four most, in addition to the fan, catheter and instrument accessories.
冷庫隔熱材料的選用必須因地制宜，既要有良好的隔熱性能，又要經濟實用。隔熱材料分幾種類型，一種是加工成固定形狀及規格的板塊，有固定的長度、寬度和厚度，可根據冷庫庫體安裝的需要選擇相應規格的板塊，高、中溫冷庫一般選用10cm厚的庫板，低溫冷庫及凍結冷庫一般選用12cm或15cm厚的板塊;另一種可以用聚氨脂噴涂發泡，把材料直接噴到已經建成的磚或混凝土倉庫中，定形后既防潮又隔熱。
The selection of heat insulation materials for cold storage must be in accordance with local conditions, not only with good heat insulation performance, but also economical and practical. Insulation materials of several types, one is processed into a fixed shape and specifications of the plate length, width and thickness are fixed, select the appropriate specifications of the plate according to the need of Refrigeratory library body installation, high temperature, cold generally 10cm thick base plate, cold storage and freezing cold storage or general use 12cm 15cm thick plate; another can use spray polyurethane foam, the material is sprayed directly into the already built brick or concrete warehouse, setting both waterproof and heat insulation.
整個制冷系統是一個密封的循環回路，制冷劑在該密封系統中循環，根據需要控制供應量和進入蒸發器的次數，以獲得適宜的低溫條件。壓縮機是制冷系統的心臟，它推動制冷劑在系統中循環。
The whole refrigeration system is a sealed loop, the refrigerant is circulating in the sealing system, and the quantity of the supply and the number of the evaporator entering the evaporator are controlled according to the requirements so as to obtain the suitable low temperature condition. The compressor is the heart of the refrigeration system, which pushes the refrigerant through the system.
冷凝器的作用是排除壓縮后的氣態制冷劑中的熱量，使其凝結成液態制冷劑;冷凝器的冷卻方式有空氣冷卻、水冷卻、空氣與水相結合三種，空氣冷卻只限于小型冷庫制冷設備中應用。
The role is to exclude the compressed gaseous refrigerant in the heat, which condenses into liquid refrigerant; cooling condenser with air cooling, water cooling, air and water with three kinds of air cooling is only used for small cold storage refrigeration equipment.
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