变频电机对密集烘烤烟叶质量的影响

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为了解决密集烤房风机风速风量过大的问题,对密集烤房循环风机加装变频器,研究各烘烤阶段不同变频频率对烟叶烘烤质量的影响。结果表明,烘烤过程中烤房烟叶叶隙间风速能相对稳定在0.2~0.5 m/s范围内,变黄和定色时间整体拉长10 h,烟叶外观质量得到提高,橘黄烟和成熟度比例均提高7个百分点,疏松度增加4个百分点,烟叶内在化学成分得到改善,总糖和还原糖分别提高1.1个百分点和3个百分点,淀粉含量降低0.7个百分点,烟叶感官评吸质量明显转好。
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