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根据前苏联学者Е．Я．Соколов，В．М．Бродянский提出的综合热转移理论，实现干燥与空调同步运行，存在着制冷与热泵综合热转移下的公共可行域。干燥热泵，不但能回收干燥室湿热空气的显热，而且能回收其中的潜热。如果尽可能减少热漏，只有热阻不可逆，则可将干燥热泵循环看作内可逆。这样就便于按质能平衡建立适用的数学模型。因此，研究能实现三种状态（单独干燥、单独空调、干燥与空调同步）运行的三用干燥热泵及其计算机模拟对发展干燥热泵技术，是一种新的尝试。该项研究也是空调冷热同时利用技术的研究。
According to former Soviet Union scholars. Я. Соколов,В. М. The integrated heat transfer theory proposed by Бродянский realizes the simultaneous operation of drying and air conditioning, and there is a common feasible area under the combined thermal transfer of refrigeration and heat pump. The dry heat pump not only recovers the sensible heat of the hot and humid air in the drying room, but also recovers the latent heat therein. If the heat leak is minimized and only the thermal resistance is irreversible, the dry heat pump cycle can be considered as internally reversible. This facilitates the establishment of a suitable mathematical model in terms of quality balance. Therefore, it is a new attempt to develop a three-purpose dry heat pump capable of operating in three states (separate drying, separate air conditioning, drying, and air conditioning) and its computer simulation to develop a dry heat pump technology. The study is also a study of the use of air-conditioning heat and cooling technology.