Absrtact: In order to solve the problem that microwave drying equipment is prone to internal overheating and waist quality damage, the moisture content, internal temperature, bursting waist rate and mechanical strength of dry soybean products were studied in a rectangular microwave cavity with microwave absorption efficiency of 41.5%.
The results showed that when the microwave output power density was less than 0.2W/g (effective absorption power density was less than 0.1W/g), the quality of soybean could be guaranteed. The bursting waist rate of soybean could be controlled under the industrial requirement of 5 (2% in this paper); the internal temperature of soybean was lower than the denaturation temperature of protein 60 C, and the extremum pressure of soybean dried products was 101.11N.
microwave drying soybean
microwave drying soybean
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