In this paper, the general drying process and the working principles of heat pump dryer are discussed, and the design of a set of heat pump drying equipment is described.
本课题根据热泵干燥机的工作原理以及对干燥过程的研究，自行设计并组装了一套热泵干燥装置。
The application of time sequence control unit in dairy drying equipment is introduced. Its composition and working principles are recommended as well.
介绍了时间顺序控制器在乳品干燥设备中的应用及其组成和工作原理。
The principles, features, and process flow of the loop circuit drying plants were simply presented, their application examples were described and they were compared with other drying plants.
简要介绍了闭路循环干燥装置的原理、特点和工艺流程。文中列举了其工业应用实例，并与其他干燥设备进行了对比。
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