Tree-sections and five-steps type method for flue-curing tobacco leaves
A curing process and tobacco leaf technology, applied in tobacco, tobacco preparation, application, etc., can solve the problems of greening and low proportion of high-quality tobacco in flue-cured tobacco
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[0008] In the first step, after the tobacco leaves are loaded into the furnace, close the air inlet tunnel and the exhaust window in time, and then start to ignite. Temperature, wet bulb temperature is controlled at 35--36 ℃, maintain this temperature and humidity, so that the tip and leaf edge of the bottom tobacco leaves lose water first, become soft and yellow, and prevent the green smoke from being baked. When the bottom layer of tobacco leaves turns yellow to 3--4 percent yellow, the second layer of tobacco leaves loses water and withers until the leaves start to soften and turn yellow.
[0009] In the second step, open the wind tunnel and the exhaust window by about 1 / 3, and increase the temperature of the dry bulb to 40-42°C at a rate of 1°C every two hours, and control the temperature of the wet bulb to 37-38°C. Press the fire to stabilize the temperature, maintain this temperature and humidity, and promote the tobacco leaves to fully lose water, wither and become soft...
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