射频加热技术在农产品和食品加工中的应用

Application of radio-frequency heating technology in agriproduct and food industry

射频加热技术是近年来广受关注的一种加热方式,因其具有加热迅速、均匀性好、节约能源、维护成本低等特点,被广泛应用于食品和农产品的加工之中。该文首先对射频加热技术的工作原理和特点进行探讨,提出可以通过使用COMSOL软件的模拟实现来改善射频加热的均匀性;然后,通过分析近年来射频加热技术的应用文献,综述了射频加热技术在解冻、干燥、灭菌和杀虫等领域的研究进展;最后,提出了射频加热技术尚存的问题,并对未来研究方向进行展望。

Radio frequency(RF)heating technology is a heating method that has received much attention in recent years.It is widely used in the processing of food and agricultural products because of its rapid heating,good uniformity,energy-saving,low maintenance costs,and so on.The working principle and characteristics of RF heating technology were first discussed,and it was proposed that the uniformity of RF heating could be improved by using the simulation implementation of COMSOL software.Then,by analyzing the application literature of RF heating technology in recent years,the research progress of RF heating technology in the fields of thawing,drying,sterilization,and insecticidal was reviewed.Finally,the remaining problems of RF heating technology were proposed,and the future research direction was prospected.