Microwave Defrosting Food in Russia: Prospects, Problems and Solutions

2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE) Pub Date : 2018-09-01 DOI:10.1109/APEDE.2018.8542202

A. Morozov, O. Morozov, A. Prokopenko, V. V. Fedotov

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Abstract

An industrial plant for intensive microwave heating of grain products has been developed. The installation operates at frequency of 915 MHz and microwave power up to 25 kW. The working chamber of the installation was designed in the form of coordinated load with the basic mode type and on the basis of a rectangular waveguide of increased cross-section. This design of the chamber made it possible to provide intensive heating of grain at a rate of more than 5 deg/sec. Completed tuning and research of the working chamber showed high efficiency of microwave energy transfer to the grain product. Studies of the operation of the plant at a high power level have shown the possibility of starch micronization in a grain product. To improve the performance of the installation and increase the degree of starch micronization, it is proposed to preheat the grain product with superheated steam. Conducted research on various modes of the unit with pre-heating showed an increase in the efficiency of starch micronization in a grain product and an increased plant performance.

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微波除霜食品在俄罗斯:前景、问题和解决办法

研制了一种粮食产品微波强化加热工业装置。该装置的工作频率为915兆赫，微波功率高达25千瓦。在增大截面矩形波导的基础上，采用基模型协调载荷形式设计了该装置的工作腔。这种腔室的设计使得以超过5度/秒的速度对谷物进行密集加热成为可能。完成了对工作腔的调谐和研究，表明微波能量向粮食产品的传递效率很高。在高功率水平下对工厂操作的研究表明，谷物产品中淀粉微粉化是可能的。为了改善装置的性能，提高淀粉的微粉化程度，建议采用过热蒸汽对粮食产品进行预热。对带有预热装置的各种模式进行的研究表明，提高了谷物产品中淀粉微粉化的效率，提高了植物性能。

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2018 International Conference on Actual Problems of Electron Devices Engineering (APEDE)

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