Nowadays, indoor air quality becomes more and more important in our life. This paper measures and analyses the effect of individual fresh airregulation.
Based on the reform of the airregulation system of worm compressor make the compressor normal work, repaire simple and convenience, and the rate of breakdown low.
通过对螺杆压缩机风量调节系统的改造，可以使螺杆压缩机正常工作，维修简单方便，动作可靠，故障率低。
3
Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and airregulation problem.