Author(s)

Guangting Yin ¹, Wenyuan Li ¹, Qingkai Nie ¹, Jianan Wang ², Lei Wang ¹, Jia He ¹, Dejian Wan ¹, Weidong Duan ¹

Affiliation(s)

¹ China Tobacco Henan Industrial Co., Ltd., Zhengzhou, 450000, China
² Henan Agricultural University, Zhengzhou, 450000, China

Corresponding Author

Weidong Duan

ABSTRACT

The air supply volume of the circulating fan directly affects the wind speed between leaves in the bulk curing barn. To find out the effect of different ventilation rates on the degradation and water loss characteristics of tobacco during the curing process, the national standard bulk curing barn simulation oven was used to set different frequencies with 5 gears on the circulating fan to control the rotation speed during the yellowing stage and the leaf drying stage of the different tobacco curing phases for testing. The results showed that with the change of the air supply volume of the circulating fan from low to high, the statistical analysis had a significant impact on the pigment degradation in the yellowing stage, the starch degradation in the yellowing stage and the leaf-drying stage, and the moisture removal of the leaves. The characteristic parameters of the impact related to the rate, process, and the residual amount of the leaves, and the extent of the impact was shown as leaf dehydration>starch degradation>pigment degradation. The results can be used as a reference for the reasonable regulation of the wind speed between leaves in the bulk curing barn according to the needs of the curing technology during tobacco curing process.

KEYWORDS

Bulk curing barn, circulating fan, variable-frequency drive, starch degradation, water loss characteristic

CITE THIS PAPER

Guangting Yin, Wenyuan Li, Qingkai Nie, Jianan Wang, Lei Wang, Jia He, Dejian Wan, Weidong Duan, Effects of Different Air Volume Supply Controlled by Circulating Fan on Tobacco Curing Characteristics. Journal of Modern Crop Science (2023) Vol. 2: 19-26. DOI: http://dx.doi.org/10.23977/jmcs.2023.020103.

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