一、前言VK-16c 型压缩机是西德 DEMAG 公司的产品,为4级3轴双转速的透平式空气压缩机。其轴均为刚性结构。每级叶轮前进口均设有可调导向叶栅。各级之间及第四级之后均设有空气冷却器,全部冷却器均装在压缩机的底座内。进口和放空管路中均设有消音器。机组还设有排出压力和防喘振自动控制系统。驱动机为3000KW 同步电动机,转速1500转/分。进口流量18300标米~3/时;进口压力1.016巴(绝);出口压力11.5巴(绝);1、2级叶轮转速12600转/分,材质14CrMoV69,焊接结构;3、4级叶轮转速19090转/分,材质30CrNiMo8,铣制铆接结构。该机自81年8月投入运转,断续运行至 I. Introduction VK-16c compressor is West Germany DEMAG company’s products for the four 3-speed double-speed turbine air compressor. Its axis is a rigid structure. Each impeller entrance are equipped with adjustable guide vane. Air coolers are available between levels and after the fourth level, all of which are housed in the base of the compressor. Silencers are included in the inlet and vent lines. The unit also has a discharge pressure and anti-surge automatic control system. Drive 3000KW synchronous motor, speed 1500 r / min. Inlet flow of 18,300 standard meters ~ 3 / hour; inlet pressure of 1.016 bar (absolutely); outlet pressure of 11.5 bar (absolutely); 1,2 impeller speed 12,600 rpm / min, material 14CrMoV69, welded structure; 3,4-level impeller speed 19090 Turn / min, material 30CrNiMo8, milling riveted structure. The aircraft put into operation in August 81, intermittent operation to