一、概述螺杆压缩机自问世以来,以重量轻、体积小、寿命长、运转可靠、少维修等优点而深受用户的欢迎。近年来,又出现了箱式低噪声螺杆压缩机机组,它外表美观,安装简单,使用可靠,噪声只有76dB(A),更受用户睛睐。早在七十年代初期,螺杆压缩机就活跃在国际市场上,至今经久不衰,年产量达数万台之多,几乎与活塞式压缩机并驾齐驱,而其中又以喷油螺杆压缩机为主。目前在移动式压缩机中 I. Overview Screw compressor since its inception, with light weight, small size, long life, reliable operation, less maintenance and other advantages of users welcomed. In recent years, another box-type low noise screw compressor unit appeared, it looks beautiful, easy to install, reliable use, the noise is only 76dB (A), but also by the user’s eye. As early as the early seventies, screw compressors are active in the international market, has endured so far, the annual output of up to tens of thousands of units, almost with the piston compressor side by side, of which again the main screw compressor spray . Currently in the mobile compressor