一、国外冷库的发展冷库作为食品低温流通的中枢 ,近年来在国外发展较快。 195 5年 ,日本冷库开始采用液泵强制循环供液方式 ,并且基本上都是“集中式制冷系统”。 6 0年代 ,制冷系统仍以集中式为主 ,只是为了防止氨泄漏对附近居民和储藏食品造成公害 ,有些冷库改用氟利昂机组 First, the development of foreign cold storage Cold storage as a low-temperature circulation of food in central China in recent years developed rapidly in foreign countries. 195 5 years, Japan’s cold storage began to use liquid forced circulation pump solution, and are basically “centralized refrigeration system.” In the 1960s, the refrigeration system was still mainly centralized, just to prevent the leakage of ammonia to cause harm to nearby residents and foodstuffs. Some refrigerators switched to freon units