A kind of tobacco leaf curing method

Abstract

The embodiment of the invention discloses a tobacco leaf baking method. By means of the tobacco leaf baking method, tobacco leaf baking quality is improved, coal is burnt more sufficiently, coal consumption is greatly reduced, the tobacco leaf baking cost is lowered, and adverse effects on the environment are avoided. The tobacco leaf baking method comprises the steps that at the earlier stage when tobacco leaves turn yellow, coal cinder is added before ignition and overspread the middle of a hearth, and 5-10 kg of coal accounting for 1 / 4 of the area of the hearth is initially added into the hearth, wherein the thickness of the coal layer ranges from 5 cm to 10 cm; at the stage when the tobacco leaves turn yellow, coal accounting for 1 / 4-1 / 3 of the area of the hearth is added each time; at the stage when branch veins turn yellow, coal accounting for 1 / 2 of the area of the hearth is added each time; at the stage when main veins turn yellow, coal is added till the hearth is full each time, so that dry-bulb temperature rises to 45 DEG C to 48 DEG C at the speed of 1 DEG C / 2-3 h, and wet-bulb temperature is controlled within the range from 37 DEG C to 38 DEG C; at the stage when aroma substances are synthesized, coal is added till the hearth is full each time, so that the dry-bulb temperature is kept within the range from 52 DEG C to 54 DEG C, and the wet-bulb temperature is controlled within the range from 38 DEG C to 40 DEG C; at the killing-out stage, coal accounting for 2 / 3 of the area of the hearth is added each time, and the area of added coal is decreased gradually till baking is finished.

Description

technical field [0001] The invention relates to the technical field of flue-cured tobacco, in particular to a tobacco leaf curing method. Background technique [0002] Tobacco leaf curing mainly includes soil room curing, three-stage curing and horizontal dense curing room, among which three-stage curing is widely used because it adapts to the small-scale scattered planting method of one family in my country. Three-stage curing refers to dividing the whole process of tobacco leaf curing into stages corresponding to the appearance state of tobacco leaves and the temperature requirements according to the organic relationship between changes in the appearance characteristics of tobacco leaves and the interior, that is, the yellowing stage, the color fixing stage and the tendon drying stage. [0003] Chongqing Pengshui Tobacco Co., Ltd., on the basis of using the three-stage six-step curing process in the ordinary curing barn, according to the changes in the tobacco leaves durin...

AI Technical Summary

Problems solved by technology

[0004] However, dividing the roasting process into six steps, although the quality of tobacco leaf roasting has been improved, but the increase in steps requires more stringent coal addition methods. With the current coal addition method, coal combustion is not sufficient , large coal consumption

If the six-step coaling process cannot be standardized and optimized, it will inevitably increase the cost of flue-cured tobacco and cause adverse effects on the environment

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