Abstract: In order to explore the efficient drying method of corn large-scale grain varieties, the experimental study on the combined drying characteristics of hot air and microwave was carried out on corn.
In the early stage, it was dried by hot air at 60 °C. When the moisture content of corn was 20%, it was dried by 119 W microwave in the later stage until the moisture of corn was 12%~14%. The change law of moisture and temperature of corn with joint drying time was studied to establish corresponding mathematics. model. Compared to individual hot air drying, the total energy consumption ofmicrowave drying equipment is reduced by 50.6%. The mold counts of different drying methods of corn, the results show that the microwave has obvious bactericidal effect on corn mold.
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