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To enhance the energy-saving level of tobacco drying, an in-depth comparative study was conducted on the application effects of open-type, closed-type, and semi-open-type air-source heat pumped in tobacco drying. Through theoretical calculations and field tests, it was found that the semi-open-type unit, relying on the synergy of heat recovery from waste heat and dynamic moisture removal, had the lowest power consumption for drying dry tobacco leaves, demonstrating significant energy-saving advantages. The research results could provide a basis for the selection and promotion of tobacco drying heat pump equipment.

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为提升烟草烘烤节能水平，对比研究了开式、闭式、半开式空气源热泵在烟叶烘烤中的应用效果。经理论计算与实地测试，半开式机组依托余热回收与动态排湿协同作用，单位干烟叶耗电量最低，节能优势显著。研究结果可为烟草烘干热泵设备选型与推广应用提供依据。

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栾庆坤（1988-），男，山东济南人，工程师，研究方向为供热通风与空调工程。

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栾庆坤（1988-），男，山东济南人，工程师，研究方向为供热通风与空调工程。

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