在空压机行业上下疯狂追逐设备能效的同时，通过空压机余热回收，提高能源再次利用率已被提上很多企业的工作日程。
In the air compressor industry crazy pursuit of energy efficiency at the same time, through the air compressor waste heat recovery, improve energy re utilization rate has been put on the agenda of many enterprises.
根据美国能源署统计，压缩机在运行时，真正用于增加空气势能所消耗的电能，在空压机总耗电量中只占很小的一部分约为15%，大约85%的电能转化为热量，通过风冷或者水冷的方式排放到空气中。这些“多余”热量被排放到空气中，既影响了环境，加剧大气“温室效应”，制造了“热”污染，同时这些热量被白白浪费，而这些损失的热量中有80%是可以被回收利用的，折合压缩机的轴功率约为60-70%。
According to the statistics of the United States Energy Agency, when the compressor is in operation, the electric energy that is really used to increase the potential energy of the air compressor only accounts for a small part of the total power consumption of the air compressor, about 85% of the electric energy is converted into heat and discharged into the air through air cooling or water cooling. These "excess" heat is discharged into the air, which not only affects the environment, intensifies the "greenhouse effect" of the atmosphere, but also creates "heat" pollution. At the same time, the heat is wasted in vain. 80% of the heat loss can be recycled, which is equivalent to 60-70% of the compressor shaft power.
空压机余热回收的主角通常是空压机热能热水机组，它是一种利用压缩机高温油气热能，通过热交换将热能充分利用的节能设备。通过能量交换和节能控制，收集空压机运行过程中产生的热能，同时改善空压机的运行工况，是一种相对高效废热利用、零成本运行的节能设备。
The protagonist of air compressor waste heat recovery is usually the air compressor thermal water heater unit. It is an energy-saving equipment that uses the high-temperature oil and gas heat energy of the compressor and makes full use of the heat energy through heat exchange. Through energy exchange and energy-saving control, the heat energy generated during the operation of the air compressor is collected, and the operation condition of the air compressor is improved. It is a relatively high-efficiency waste heat utilization and zero cost operation energy-saving equipment.