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介绍了空气回热和热泵系统回热两种不同的回热型热泵木村干燥机及其优缺点，阐述了采用空气回热的热泵木材干燥机的优越性，并对其运行特性进行了分析和探讨。通过分析和试验结果表明，采用空气回热的热泵木材干燥机较不采用空气回热的热泵木村干燥机的除湿量大大提高。
The paper introduces the advantages and disadvantages of two different regenerative heat pump Kimura dryers, which are air heat recovery and heat pump system heat recovery. The advantages of the heat pump wood dryer using air heat recovery are expounded, and the operation characteristics are analyzed. Discussion. Through the analysis and test results show that the use of air heat recovery heat pump wood dryer heat recovery does not use air heat Muchunda dryer dehumidifier greatly increased.