速冻用单机双级氨螺杆制冷压缩机组

Compound Two Stage Ammonia Screw Compressor Unit in Rapid Freezing Refrigeartion System

氨用单机双级螺杆制冷压缩机组是为适应低温速冻食品的需要而开发的新产品。在分析速冻食品在低温工况下的制冷系数、高低压容积比与中间压力的关系的基础上 ,给出了其选择方法并为合理选配制冷机提供了切实的指导。

Compound two stage ammonia screw compressor unit is a new high-efficient and saving energy product developed for rapid freezing food substitution.Its selection method is given and the parameters called as COP and cylinder volume ratio and intermediate pressure for freezing food in deep temperature are analyzed.Which provide guidance for selecting and disposing the compressor under advisable,reliable and high-efficient condition.