近年来,随液化天然气(LNG)时代到来,用液氮作致冷剂进行低温粉碎,不仅用于在常温下难于粉碎的橡胶和塑料一类物质,也开始用于仅少许加热就易造成变质或失去香味的调味品、食品和药材,如可可豆、大豆、芥子、白芍、柑橘皮、生姜一类。美国粉碎机公司生产Mikro一低温粉碎机系统由预冷器和进料器组成. In recent years, with the advent of liquefied natural gas (LNG), the use of liquid nitrogen as a refrigerant for low-temperature pulverization has not only been used for materials such as rubbers and plastics that are hard to be pulverized at ordinary temperatures but also for deteriorating with only a little heating Or loss of flavor spices, food and medicine, such as cocoa beans, soybeans, mustard, white peony root, citrus peel, ginger category. American grinder company Mikro a cryogenic grinder system consists of pre-cooler and feeder composition.