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讨论了冷库用螺杆氨泵机组的设计方法 ,并对主要部件如压缩机、氨泵进行了选择计算 ,对冷凝贮液器、经济器、低压循环贮液筒进行了设计计算。论述了螺杆氨泵机组的优缺点。
The design method of screw ammonia pump unit for cold storage was discussed. The main components such as compressor and ammonia pump were selected and calculated. The design and calculation of condensate receiver, economizer and low pressure circulating liquid storage cylinder were carried out. The advantages and disadvantages of screw ammonia pump unit are discussed.