Baking method for lower tobacco leaves of Chinese tobacco 101

A method of curing tobacco leaves, which is applied in the field of flue-cured tobacco and can solve problems such as inaccurate control of curing characteristics, high requirements for baking personnel, and difficulty in curing tobacco leaves.

Inactive Publication Date: 2019-06-14
WEIFANG TOBACCO MONOPOLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tobacco leaves of different varieties and different parts can be flexibly adjusted on the basis of the basic mode to implement contingency roasting, but this requires higher requirements for roasting personnel. The roasting technology applicable to this variety is likely to cause the phenomenon of roasted green and roasted smoke
At present, there are many researches on the curing technology of different varieties in China. The curing technology of flue-cured tobacco varieties such as Honghua Da

Method used

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  • Baking method for lower tobacco leaves of Chinese tobacco 101
  • Baking method for lower tobacco leaves of Chinese tobacco 101
  • Baking method for lower tobacco leaves of Chinese tobacco 101

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for curing the lower tobacco leaves of China Tobacco 101, comprising the following steps: the harvested lower tobacco leaves are relatively heavy in green and difficult to fall yellow normally,

[0027] Step 1: Ignite after installing the furnace, turn on the internal circulation of the fan, and keep the fan running at a low speed. After 4 hours, raise the temperature of the dry bulb to 38°C and the temperature of the wet bulb to 37°C. Keep the temperature stable for 10 hours, and the tips of the tobacco leaves turn yellow. , the overall degree of yellowing reaches 30%, and the leaves begin to wither and lose water.

[0028] Step 2: Raise the dry bulb temperature to 40°C at a rate of 1°C / hour, keep the wet bulb temperature at 37°C, 36°C, and 35°C, and stabilize the temperature for 10 hours. The fan circulates inside and operates at a low speed, the tobacco leaves reach 5-6 percent yellow, the leaves become soft and collapse, and the tobacco leaves in the high t...

Embodiment 2

[0037] A method for curing the lower tobacco leaves of China Tobacco 101, comprising the following steps: the harvested lower tobacco leaves are relatively heavy in green and difficult to fall yellow normally,

[0038]Step 1: Ignite immediately after installing the furnace, turn on the internal circulation of the fan, and keep the fan running at a low speed for 5 hours, then the dry bulb temperature rises to 38°C, the wet bulb temperature rises to 37°C, and the temperature is stabilized for 9 hours. At this time, the tip of the tobacco leaf changes Yellow, the overall degree of yellowing reaches 30%, and the leaves begin to wither and lose water.

[0039] Step 2: Raise the dry bulb temperature to 40°C at a rate of 1°C / hour, keep the wet bulb temperature at 37°C, 36°C, and 35°C, and stabilize the temperature for 10 hours. The fan circulates inside and operates at a low speed. At this time, the tobacco leaves reach 50% yellow, the leaves become soft and collapse, and the tobacco...

Embodiment 3

[0048] A method for curing the lower tobacco leaves of China Tobacco 101. For the lower tobacco leaves that are heavy in green and hard to fall yellow after harvesting, the conventional three-stage curing process is adopted for curing:

[0049] The baking process is divided into three stages: yellowing, color fixation, and gluten drying. The yellowing stage: the starting temperature of the dry bulb is 32°C, and the temperature in the yellowing stage is raised to 38°C at 0.5°C / h, and the temperature stabilizes and turns yellow. The temperature for the completion of yellowing is 42°C, and the wet bulb temperature is 1-4°C lower than the dry bulb temperature, so that the yellow leaves are slightly green and the main veins become soft; the color fixing stage: the heating rate is about 3 hours on average, and the temperature is raised by 1°C, and the wet bulb temperature It should be controlled at 38°C to make the tobacco rod fully turn yellow; after that, the heating rate should be...

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Abstract

The invention discloses a baking method for lower tobacco leaves of Chinese tobacco 101. The method comprises the following steps that S1, the tobacco leaves are treated before baking; S2, the tobaccoleaves treated in S1 are placed in a baking room, the dry-bulb temperature of the baking room is raised to 45-50 DEG C at 0.5 DEG C/h, and the tobacco leaves are kept for 10-15 hours under the condition that the wet-bulb temperature is 36-37 DEG C, so that the leaves at the low temperature layer achieve the effects that the leaves and ribs turn yellow, the tips are hooked, the edges are rolled, and there is no green ribs in a whole furnace; S3, the dry-bulb temperature is raised to 50 DEG C at 1 DEG C/h, the wet-bulb temperature is controlled to be 37-38 DEG C, the temperature is kept for 8-10 hours, so that the leaves at the high temperature layer are large coils, and half drying is conducted; S4, the dry-bulb temperature is raised to 54 DEG C at 1 DEG C/h, the wet-bulb temperature is controlled to be 38-39 DEG C, the temperature is kept for 15-20 hours, and therefore the leaves in the whole baking room are completely dried; S5, the dry-bulb temperature is raised to 60 DEG C at 1 DEGC/h, the wet-bulb temperature is controlled to be 39-40 DEG C, and the temperature is kept for 5 hours, so that the tobacco ribs begin to shrink and turn brown, and 2/3 or above of the tobacco ribs are dried; S6, the dry-bulb temperature is raised to 68 DEG C at 1 DEG C/h, and the wet-bulb temperature is controlled to be 40-41 DEG C. By means of the method, the appearance and intrinsic quality ofthe lower baked tobacco leaves of the Chinese tobacco 101 can be effectively improved.

Description

technical field [0001] The present invention relates to the technical field of flue-cured tobacco, in particular to a method for curing the lower tobacco leaves of the middle tobacco 101 . Background technique [0002] Baking is a key link in forming the quality of tobacco leaves. Tobacco leaf curing fully reveals and exerts the excellent traits formed and accumulated in the field growth process of tobacco leaves. It is a crucial technical link in the production of high-quality tobacco leaves, and it is also one of the technical bottlenecks for improving the quality and efficiency of flue-cured tobacco production. With the development of flue-cured tobacco production, the current purpose of tobacco leaf curing is not only to "dry and yellow" the tobacco leaves, but also to adopt effective technical measures during the curing process to promote the post-ripening of the tobacco leaves and make the tobacco leaves "fresh and roasted". Cooked and roasted aroma", improve the appe...

Claims

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Application Information

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IPC IPC(8): A24B3/10
Inventor 王先伟王喜功齐玉森侯跃亮张勇高传军王桂荣杨晓东
Owner WEIFANG TOBACCO MONOPOLY BUREAU
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