Principle and application effect of air compressor heat recovery were discussed. Air compressor heat recovery advantages and energy recovery methods were introduced. Then specific project modification design, adoptive technology equipment and energy-saving benefit were discussed. According to the status of plenty of air compressor cooling heat loss,waste heat recovery case were proposed. The practice shows that investment of air compressor heat recovery modification is less while the benefit is faster. After one time investment for whole project,the recovery period is about 6 months,the energy-saving effect and economic benefits are better.%探讨空气压缩机热能回收的原理及应用效果.介绍了空气压缩机热回收的优点、能量回收的方法,并对具体项目的改造方案设计、采用的技术设备以及节能效益进行了论述.针对空气压缩机大量冷却余热散失的现状,提出了一种废热回收利用方案.实践证明,空气压缩机热量回收改造投资少见效快,整个项目一次投资后,其回收期约为6个月,具有较好的节能效果和经济效益.
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