Abstract:
The effects of 9 control modes for KLD2-3 two-section cylinder dryer on overall quality of cigarette product, the physical quality, sensory quality, routine chemical components in cut strips, routine chemical components and aroma components in cigarette smoke were analyzed. The results showed that:1) The cut tobacco dried under counter current control mode featured higher filling value and better processing durability. 2) Cocurrent control mode was superior to counter current in terms of sensory quality, particularly for the control mode which evaporated more water at the first section of cylinder. 3) The contents of total sugar and reducing sugar in cut strips dried under the control mode of fixed hot air volume were higher than those under the control mode of fixed cylinder wall temperature, while the contents of nicotine, chlorine and potassium showed little differences. 4) Control modes had little effects on the deliveries of tar and nicotine in cigarette smoke, however, the CO delivery in cigarette smoke was higher under counter current control mode. 5) The total amount of acidic flavor components in cigarette smoke was higher under cocurrent control mode, the alkaline flavor components in cigarette smoke was the highest under the cocurrent high to low control mode, while the change of total amount of neutral flavor components was negligible.