螺杆式空压机变频节能改造方案设计
Frequency inverter energy saving reconstruction of screw air compressor
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摘要: 针对螺杆式空压机能耗大、噪音大、自动化程度低等问题,在螺杆式空压机节能原理的基础上,提出了利用变频器对螺杆式空压机进行节能改造的方案.该方案采用安全连锁、PID调节和电机温升控制等技术手段来实现.节能效果分析表明,该方案节电率达到28.3%,具有推广价值.Abstract: Aiming at the shortcomings of screw air compressor such as high energy consumption, big noise and low automation level ere, on the basis of the principle of screw air compressor energy-saving, a refor-ming scheme to save energy of screw air compressor by using frequency inverter was provided. The tech-niques such as safety chain PID adjustment and motor temperature rising control werer applied in the refor-ming scheme. Energy saving effect results showed that the energy saving rate reached up to 28.3%. Refor-ming scheme has large value to be popularized.
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Key words:
- screw air compressor /
- frequency inverter /
- energy saving /
- constant pressure control /
- PID control
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