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Flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology

A technology of maturity and tobacco leaves, applied in the direction of tobacco, tobacco preparation, application, etc., to achieve the effect of improving the quality of modulation

Active Publication Date: 2015-01-07
YUNNAN ACAD OF TOBACCO AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a process for preparing flue-cured tobacco leaves of different maturity grades in the same furnace, so as to solve the key problems existing in the process of preparing tobacco leaves of different maturity grades

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Verification of the modulation process of flue-cured tobacco leaves with different maturity grades in the same furnace

[0032] Task: Adopt low-temperature and low-humidity modulation technology to achieve "yellow smoke and other green smoke, green smoke quickly turns yellow, yellow smoke does not turn yellow excessively, and the whole furnace is modulated into yellow";

[0033] Technical route: slow yellowing at low temperature, slow drying of leaves at low humidity;

[0034] Key technology: low temperature, low humidity, "double low modulation";

[0035] Specific operation:

[0036] (1) After a fire, at an average heating rate of 2°C / h, within 7.0 to 10.0 hours, the dry bulb temperature of the high temperature layer is raised from the natural temperature to 34.0 to 35.0°C, and the wet bulb temperature is adjusted to 31.0 to 32.0°C. Time 24.0~36.0h. Tobacco leaf change target: Tobacco leaves in the high-temperature layer turn yellow by 30% to 40%; tobacco...

Embodiment 2

[0042] Example 2: Verification of the preparation process of flue-cured tobacco leaves with different maturity grades in the same furnace

[0043] Task: Adopt low-temperature and low-humidity modulation technology to achieve "yellow smoke and other green smoke, green smoke quickly turns yellow, yellow smoke does not turn yellow excessively, and the whole furnace is modulated into yellow";

[0044] Technical route: slow yellowing at low temperature, slow drying of leaves at low humidity;

[0045] Key technology: low temperature, low humidity, "double low modulation";

[0046] Specific operation:

[0047] (1) After a fire, at an average heating rate of 2°C / h, within 7.0 to 10.0 hours, the dry bulb temperature of the high temperature layer is raised from the natural temperature to 34.0 to 35.0°C, and the wet bulb temperature is adjusted to 31.0 to 32.0°C. Time 24.0~36.0h. Tobacco leaf change target: Tobacco leaves in the high-temperature layer turn yellow by 30% to 35%; tobacc...

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Abstract

The invention discloses a flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation technology. A low-temperature, low-humidity, and 'dual-low modulation' method is adopted, dry and wet bulb temperatures of the high temperature layer and the lower temperature layer in a baking room are improved step by step in five steps for modulation, and the aim that 'yellow smoke follows by green smoke, the green smoke changes yellow rapidly, the yellow smoke does not change yellow excessively and is modulated to be yellow in the whole furnace' is achieved. According to the invention, a flue-cured modulation technology which corresponds to tobacco leaf curing physiology and biochemistry principle is researched and formulated, overcomes or reduces much 'dull smoke' or 'green smoke', is suitable for flue-cured tobacco different-maturity-level tobacco leaf same-furnace modulation, and is the innovation and development of the low-temperature slow yellow change and low-humidity slow leaf drying curing principle.

Description

technical field [0001] The invention relates to a process for preparing flue-cured tobacco leaves of different maturity grades in the same furnace, and belongs to the technical field of flue-cured tobacco preparation. Background technique [0002] The mature harvesting of flue-cured tobacco usually requires the "three sameness", that is: "same variety, same part, and same maturity". In theory, it is required to harvest mature and consistent tobacco leaves. Tobacco leaves usually have four different maturity levels: unripe, first-ripe, suitable-ripe, and over-ripe. It is rare in production practice that only tobacco leaves of one maturity level are roasted in the same oven, and most of them are tobacco leaves of 2 to 3 maturity levels in the same oven. [0003] If the tobacco plants in the field grow uniformly and the tobacco farmers are serious about picking tobacco, there will be fewer types of tobacco leaves of different maturity grades roasted in the same furnace; There...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B3/10A24B3/04
Inventor 雷丽萍崔国民
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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