两相螺杆膨胀机的发展及其在制冷系统中的应用  

The Development of Two-Phase Screw Expander and Its Application in Refrigeration Field

作　　者：杨金焕[1] 夏葵[1] 姚艳霞[1] 朱朝辉[1] 陈纯正[1] 

机构地区：[1]西安交通大学制冷与低温研究所,西安710049

出　　处：《制冷》2003年第1期23-27,共5页Refrigeration

摘　　要：双螺杆膨胀机按照螺杆压缩机的逆原理工作 ,是一种新型的容积式膨胀机。它在膨胀两相流体有独有的优势 ,可以取代制冷系统中的节流阀 ,降低能量损耗。The twin screw expander,a new volume expander,works in the reverse principle of the screw compressor Because of its advantage in expanding two-phase fluid,the twin screw expander can replace the throttle valves in refrigeration system and reduce energy loss The development of the twin screw expander in China and foreign as well as its application in refrigeration field have been summarized in this paper

关 键 词：两相螺杆膨胀机 制冷系统 螺杆压缩机 容积式膨胀机 

分 类 号：TB653[一般工业技术—制冷工程]