Automatically-controlled harvester diesel engine waste heat recovery device

The utility model discloses a harvester diesel engine waste heat recovery device capable of being automatically controlled. The device comprises a harvester diesel engine, a three-way control valve, awind scooper, an air inlet pipeline, a fan, an alternating-current motor, a frequency converter, a first heat exchanger, a second heat exchanger, an air outlet pipeline, a buffer tank, an electromagnetic valve, an expansion water tank and a water tank, under the condition that the power of the diesel engine is not affected, tail gas and cooling liquid of the diesel engine of the harvester and hotair waste heat of the radiator can be efficiently recycled, and the hot air flow and temperature can be automatically adjusted to be within the optimal range suitable for grain drying according to the drying characteristics of different grains. 本实用新型公开了一种可自动控制的收割机柴油机余热回收装置，是由收割机柴油机、三通控制阀、导风罩、进风管道、风机、交流电机、变频器、第一换热器、第二换热器、出风管道、缓存罐、电磁阀、膨胀水箱、水箱，散热器、控制柜、温度传感器、压力传感器组成，本实用新型可以在不影响柴油机功率条件下，高效地回收收割机柴油机尾气、冷却液和散热器热风余热，可以根据不同粮食的干燥特性将