CN111109638A - Tobacco leaf modulating process method adopting time oscillation - Google Patents
Tobacco leaf modulating process method adopting time oscillation Download PDFInfo
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- CN111109638A CN111109638A CN201911207737.XA CN201911207737A CN111109638A CN 111109638 A CN111109638 A CN 111109638A CN 201911207737 A CN201911207737 A CN 201911207737A CN 111109638 A CN111109638 A CN 111109638A
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
Abstract
The invention discloses a tobacco leaf modulating process method based on time oscillation, and belongs to the technical field of tobacco leaf modulation. The process of the process method sequentially comprises a yellowing stage, a wilting stage, a color fixing stage and a tendon drying stage, wherein the yellowing stage adopts an oscillation process of time speed of the yellowing stage, the wilting stage adopts an oscillation process of time speed of the wilting stage, the color fixing stage adopts an oscillation process of time speed of the color fixing stage, and the tendon drying stage adopts an oscillation process of time speed of the tendon drying stage; the oscillation process at each time rate is specifically an oscillation method of "increase (adversity physiology)" -decrease (homeopathic physiology) "-increase (adversity physiology)" -decrease (homeopathic physiology) ", as the modulation progresses. By adopting the process method, the quality characteristics and style characteristics of the flue-cured tobacco leaves and the industrial availability of cigarettes are obviously improved, and the process method has stronger stability.
Description
Technical Field
The invention belongs to the technical field of tobacco leaf modulation, and particularly relates to a tobacco leaf modulation process method with time oscillation.
Background
Fresh tobacco leaves are living organisms with life activities, and are related to the physiological processes of homeopathy and adversity in the modulation process. The "time speed" of the homeopathic process is accelerated, and the "time speed" of the adversity physiological process is slowed down. Einstein said that: a couple of lovers in a clocky situation talk about love, and the time is very fast; the fingers are placed on a stove with higher temperature for baking, and the time speed is very slow. The homeopathic physiology and the adversive physiology in the tobacco leaf modulating process are alternately carried out, so that the oscillation of time speed is reflected.
The living process of organisms, "consistent and smooth," flowers in greenhouses "does not form good quality. "consistent stress", "cold winter with ice-cold" and the genetic material characteristics are not fully reflected. The physiological processes of the homeopathy and the adversity are alternately carried out, and the two processes are beautiful. The method purposefully utilizes the 'homeopathic physiology and adversity physiology' process to be carried out alternately, and adopts the 'time speed oscillation' means to improve the tobacco leaf modulation quality. Has not been reported at home and abroad.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the pure 'time speed acceleration' tobacco leaf modulation process problem in the prior art, adopts a time oscillation means, alternately carries out the homeopathic and adversive physiology processes, breaks the chemical equilibrium relation, promotes the formation and accumulation of side reaction products, obviously improves the quality characteristics and style characteristics of the baked tobacco leaves and the industrial usability of cigarettes, and has stronger stability.
The invention aims to provide a tobacco leaf modulating process method with time oscillation.
The purpose of the invention is realized as follows:
a tobacco leaf modulating process method with time oscillation sequentially comprises a yellowing stage, a withering stage, a color fixing stage and a stem drying stage. The yellowing stage adopts an oscillation process of the time speed of the yellowing stage, the withering stage adopts an oscillation process of the time speed of the withering stage, the color fixing stage adopts oscillation of the time speed of the color fixing stage, and the tendon drying stage adopts an oscillation process of the time speed of the tendon drying stage;
the oscillation process at each time rate is specifically an oscillation method of "increasing" the adverse physiology, "decreasing" the homeopathic physiology, "further increasing" the adverse physiology, "and further decreasing" the homeopathic physiology "with the modulation process.
The oscillation process of the time speed of the yellowing stage specifically comprises the following steps:
under the condition of no moisture discharge, the temperature of the tobacco filling chamber is raised from the natural temperature, the temperature of the dry pellets is raised to 32 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped; naturally reducing the temperature to 26 ℃, then increasing the temperature of the dry balls to 35 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 28 ℃, then increasing the temperature of the dry balls to 37 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 30 ℃, then increasing the temperature of the dry balls to 41 ℃ at the heating rate of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 32 ℃, then increasing the temperature of the dry balls to 43 ℃ at the heating rate of 3 ℃/h, then stopping heating, adjusting the temperature of the wet balls to 37.0-38.0 ℃, and discharging moisture when the moisture is large; then naturally reducing the temperature to 40 ℃, increasing the temperature of the dry balls to 44 ℃ at the temperature increase speed of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 40 ℃, then increasing the temperature of the dry bulb to 44 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating, and keeping the temperature of the wet bulb at 37.0-38.0 ℃; the tobacco leaf yellowing period is repeated for the following time: when the temperature of the dry ball naturally drops to 40 ℃, the temperature of the dry ball is raised to 44 ℃ at the temperature rise speed of 2 ℃/h, and then the heating is stopped, so that the temperature naturally drops. Until the tobacco leaves in the high-temperature layer reach the green-rib yellow slices.
The oscillation process of the time speed of the wilting period specifically comprises the following steps:
adjusting the wet bulb temperature of a tobacco filling chamber to be 37.0-39.0 ℃, starting heating from the dry bulb temperature of 44 ℃, increasing the dry bulb temperature to 48 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 46 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 47 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time periods, the tobacco leaf wilting period was repeated: when the temperature of the dry ball naturally drops to 47 ℃, the temperature of the dry ball is raised to 49 ℃ at the temperature rising speed of 1 ℃/h, and then the heating is stopped, so that the temperature naturally drops. And (4) until the tobacco leaves of the high-temperature layer are 1/2-2/3 dry and the tobacco leaves of the low-temperature layer are curled and curled fully and withered.
The oscillation process of the time speed of the fixation period specifically comprises the following steps:
adjusting the wet bulb temperature of a tobacco filling chamber to 38.0-39.0 ℃, starting heating from the dry bulb temperature of 49 ℃, increasing the dry bulb temperature to 53 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 51 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time, the tobacco leaf fixation period is repeated: naturally reducing the temperature to 52 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature; and (3) drying the leaves of the tobacco leaves in the high-temperature layer, drying the leaves of the tobacco leaves in the low-temperature layer by 1/3-1/2, and whitening the main veins of the tobacco leaves in the whole furnace.
The oscillation process of the time speed of the dry rib period specifically comprises the following steps:
adjusting the wet bulb temperature of a tobacco filling chamber to 39.0-41.0 ℃, starting heating from the dry bulb temperature of 54 ℃, increasing the dry bulb temperature to 62 ℃ at the heating rate of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 60 ℃, then increasing the temperature of the dry balls to 64 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 62 ℃, then increasing the temperature of the dry balls to 68 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating; the following time, the tobacco leaf dry stem period is repeated: and naturally reducing the temperature to 65 ℃, then increasing the temperature of the dry ball to 68 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature. Stopping until the tobacco leaves in the whole furnace are dried.
The cigarette packing density applicable to the modulation process method is 35-55 kg/m 3.
The high-temperature layer tobacco leaves are determined according to an airflow descending type curing barn or an airflow ascending type curing barn, the high-temperature layer tobacco leaves refer to the top layer of the curing barn for the airflow descending type curing barn, and the high-temperature layer tobacco leaves refer to the bottom layer of the curing barn for the airflow ascending type curing barn; the low-temperature layer tobacco leaves refer to tobacco leaves in the relative residual space except the high-temperature layer tobacco leaves.
The modulation process method is beneficial to the presentation and fixation of the quality of the living tobacco leaves and the formation and accumulation of adverse physiological side reaction products, thereby forming the unique quality characters of the tobacco leaves. Secondly, the method is also beneficial to improving the apparent morphological characteristics of the roasted tobacco leaves, so that the tobacco leaves have the states of strong glossiness, moderate thickness, much oil content, loose leaf structure and good color, fragrance and taste.
Detailed Description
The process method provided by the invention adopts a time oscillation means, the homeopathic process and the adversive physiology process are alternately carried out, the chemical equilibrium relation is broken, the formation and accumulation of side reaction products are promoted, the quality characteristics and style characteristics of the baked tobacco leaves and the industrial usability of cigarettes are obviously improved, and the stability is stronger.
1 st oscillation cycle (oscillation of yellowing phase time velocity): under the condition of no moisture discharge, the temperature of the tobacco filling chamber is raised from the natural temperature, the temperature of the dry pellets is raised to 32 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped; naturally reducing the temperature to 26 ℃, then increasing the temperature of the dry balls to 35 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 28 ℃, then increasing the temperature of the dry balls to 37 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 30 ℃, then increasing the temperature of the dry balls to 41 ℃ at the heating rate of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 32 ℃, then increasing the temperature of the dry balls to 43 ℃ at the heating rate of 3 ℃/h, then stopping heating, adjusting the temperature of the wet balls to 37.0-38.0 ℃, and discharging moisture when the moisture is large; then naturally reducing the temperature to 40 ℃, increasing the temperature of the dry balls to 44 ℃ at the temperature increase speed of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 40 ℃, then increasing the temperature of the dry bulb to 44 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating, and keeping the temperature of the wet bulb at 37.0-38.0 ℃; the tobacco leaf yellowing period is repeated for the following time: when the temperature of the dry ball naturally drops to 40 ℃, the temperature of the dry ball is raised to 44 ℃ at the temperature rise speed of 2 ℃/h, and then the heating is stopped, so that the temperature naturally drops. Until the tobacco leaves in the high-temperature layer reach the green-rib yellow slices. In the process, the time speed oscillation amplitude is large, so that the dehydration of the tobacco leaves is facilitated, the decomposition of macromolecular compounds is facilitated, and the rapid yellowing of the tobacco leaves can be promoted.
2 nd oscillation cycle (oscillation of wilting period time speed): adjusting the wet bulb temperature of a tobacco filling chamber to be 37.0-39.0 ℃, starting heating from the dry bulb temperature of 44 ℃, increasing the dry bulb temperature to 48 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 46 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 47 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time periods, the tobacco leaf wilting period was repeated: when the temperature of the dry ball naturally drops to 47 ℃, the temperature of the dry ball is raised to 49 ℃ at the temperature rising speed of 1 ℃/h, and then the heating is stopped, so that the temperature naturally drops. And (4) until the tobacco leaves of the high-temperature layer are 1/2-2/3 dry and the tobacco leaves of the low-temperature layer are curled and curled fully and withered. In the process, the time speed oscillation amplitude is large, so that the dehydration of the tobacco leaves is facilitated, the decomposition of residual macromolecular compounds of the tobacco leaves is facilitated, the rapid withering of the tobacco leaves can be promoted, and more aroma original substances are formed.
3 rd oscillation cycle (oscillation of fixation period time velocity): adjusting the wet bulb temperature of a tobacco filling chamber to 38.0-39.0 ℃, starting heating from the dry bulb temperature of 49 ℃, increasing the dry bulb temperature to 53 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 51 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time, the tobacco leaf fixation period is repeated: naturally reducing the temperature to 52 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature; and (3) drying the leaves of the tobacco leaves in the high-temperature layer, drying the leaves of the tobacco leaves in the low-temperature layer by 1/3-1/2, and whitening the main veins of the tobacco leaves in the whole furnace. In the process, the time speed oscillation amplitude is small, the tobacco leaf modulation belongs to the extremely sensitive period of the tobacco leaf modulation to external environmental factors, and the small amplitude change of the time speed can realize the homeopathic physiology and the adversity physiology, is favorable for the synthesis and the accumulation of tobacco leaf aroma substances and the proceeding of other related side reactions, and is favorable for the improvement of the flavor taste of the tobacco leaf.
4 oscillation round (oscillation of time speed during dry muscle period): adjusting the wet bulb temperature of a tobacco filling chamber to 39.0-41.0 ℃, starting heating from the dry bulb temperature of 54 ℃, increasing the dry bulb temperature to 62 ℃ at the heating rate of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 60 ℃, then increasing the temperature of the dry balls to 64 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 62 ℃, then increasing the temperature of the dry balls to 68 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating; the following time, the tobacco leaf dry stem period is repeated: and naturally reducing the temperature to 65 ℃, then increasing the temperature of the dry ball to 68 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature. Stopping until the tobacco leaves in the whole furnace are dried. In the process, the time speed oscillation amplitude is large, so that the dehydration and drying of the tobacco leaves are facilitated, and the drifting, falling, fixing and exposure of volatile aroma substances of the tobacco leaves are facilitated.
The high-temperature layer tobacco leaves are determined according to an airflow descending type curing barn or an airflow ascending type curing barn, the high-temperature layer tobacco leaves refer to the top layer of the curing barn for the airflow descending type curing barn, and the high-temperature layer tobacco leaves refer to the bottom layer of the curing barn for the airflow ascending type curing barn; the low-temperature layer tobacco leaves refer to tobacco leaves in the relative residual space except the high-temperature layer tobacco leaves.
The specific implementation of the tobacco leaf conditioning process method based on time oscillation is verified by the following embodiments 1 and 2.
Example 1: (tobacco leaf modulating process method of time oscillation is applied to airflow rising type horizontal intensive flue-curing barn)
The verification process and results are shown in table 1:
TABLE 1 tobacco leaf modulating process with time oscillation applied to air flow rising type horizontal intensive curing barn result
Evaluation of the tobacco leaf modulation process method by time oscillation: the preparation process is accelerated, the preparation time is shortened, the preparation quality is good, the labor and cost are saved, and the energy is saved and the emission is reduced.
Modulation quality statistics: compared with the modulating quality of a large-area airflow ascending horizontal type intensive curing barn, the modulating quality of the tobacco leaves is improved by 4.05 percent for the first-class tobacco leaves, the modulating cost is saved by 5.80 percent for the medium-class tobacco leaves, and the economic benefit is very obvious.
The tobacco leaf modulation result is as follows: the color is golden yellow and orange, the oil content is more, and no flue-cured tobacco leaves appear; the middle-first grade smoke proportion is 95 percent; and (3) evaluating the smoking result of the expert on the tobacco leaves: the incense has the advantages of pure quality, sufficient amount of incense, rich smoke concentration, small irritation, moderate strength, light miscellaneous gas, good taste and high use value.
Example 2: (A tobacco leaf modulating process method of time oscillation is applied to the air current descending horizontal type intensive curing barn)
The verification process and results are shown in table 1:
TABLE 1 results of applying a time-oscillated tobacco leaf curing process method to an air-flow-down horizontal type intensive curing barn
Evaluation of the tobacco leaf modulation process method by time oscillation: the preparation process is accelerated, the preparation time is shortened, the preparation quality is good, the labor and cost are saved, and the energy is saved and the emission is reduced.
Modulation quality statistics: compared with the curing quality of a large-area airflow descending horizontal type intensive curing barn, the curing quality of the tobacco leaves with the first grade is improved by 4.50 percent, the curing cost is saved by 9.09 percent, and the economic benefit is very obvious.
The tobacco leaf modulation result is as follows: the color is golden yellow and orange, the oil content is more, and no flue-cured tobacco leaves appear; the middle-high grade smoke proportion is 97%; and (3) evaluating the smoking result of the expert on the tobacco leaves: the incense has the advantages of pure quality, sufficient amount of incense, rich smoke concentration, small irritation, moderate strength, light miscellaneous gas, good taste and high use value.
Claims (7)
1. A tobacco leaf modulating process method with time oscillation sequentially comprises a yellowing stage, a withering stage, a color fixing stage and a stem drying stage, and is characterized in that:
the yellowing stage adopts an oscillation process of the time speed of the yellowing stage, the withering stage adopts an oscillation process of the time speed of the withering stage, the color fixing stage adopts an oscillation process of the time speed of the color fixing stage, and the tendon drying stage adopts an oscillation process of the time speed of the tendon drying stage;
the oscillation process at each time rate is specifically an oscillation method of "increasing" the adverse physiology, "decreasing" the homeopathic physiology, "further increasing" the adverse physiology, "and further decreasing" the homeopathic physiology "with the modulation process.
2. The time-oscillation tobacco leaf modulating process method according to claim 1, wherein the oscillation procedure of the time speed of the yellowing stage is specifically as follows:
under the condition of no moisture discharge, the temperature of the tobacco filling chamber is raised from the natural temperature, the temperature of the dry pellets is raised to 32 ℃ at the heating rate of 3 ℃/h, and then the heating is stopped; naturally reducing the temperature to 26 ℃, then increasing the temperature of the dry balls to 35 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 28 ℃, then increasing the temperature of the dry balls to 37 ℃ at the temperature increasing speed of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 30 ℃, then increasing the temperature of the dry balls to 41 ℃ at the heating rate of 3 ℃/h, and then stopping heating; naturally reducing the temperature to 32 ℃, then increasing the temperature of the dry balls to 43 ℃ at the heating rate of 3 ℃/h, then stopping heating, adjusting the temperature of the wet balls to 37.0-38.0 ℃, and discharging moisture when the moisture is large; then naturally reducing the temperature to 40 ℃, increasing the temperature of the dry balls to 44 ℃ at the temperature increase speed of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 40 ℃, then increasing the temperature of the dry bulb to 44 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating, and keeping the temperature of the wet bulb at 37.0-38.0 ℃; the tobacco leaf yellowing period is repeated for the following time: when the temperature of the dry ball naturally drops to 40 ℃, the temperature of the dry ball is raised to 44 ℃ at the temperature rise speed of 2 ℃/h, and then the heating is stopped, so that the temperature naturally drops. Until the tobacco leaves in the high-temperature layer reach the green-rib yellow slices.
3. The time-oscillation tobacco leaf modulating process method according to claim 1, wherein the oscillation procedure of the time speed of the wilting period is specifically as follows:
adjusting the wet bulb temperature of a tobacco filling chamber to be 37.0-39.0 ℃, starting heating from the dry bulb temperature of 44 ℃, increasing the dry bulb temperature to 48 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 46 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 47 ℃, then increasing the temperature of the dry balls to 49 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time periods, the tobacco leaf wilting period was repeated: when the temperature of the dry ball naturally drops to 47 ℃, the temperature of the dry ball is raised to 49 ℃ at the temperature rising speed of 1 ℃/h, and then the heating is stopped, so that the temperature naturally drops. And (4) until the tobacco leaves of the high-temperature layer are 1/2-2/3 dry and the tobacco leaves of the low-temperature layer are curled and curled fully and withered.
4. The tobacco leaf modulating process method by time oscillation according to claim 1, wherein the oscillating procedure of the time speed of the fixation period is specifically as follows:
adjusting the wet bulb temperature of a tobacco filling chamber to 38.0-39.0 ℃, starting heating from the dry bulb temperature of 49 ℃, increasing the dry bulb temperature to 53 ℃ at the heating rate of 2 ℃/h, and then stopping heating; naturally reducing the temperature to 51 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; the following time, the tobacco leaf fixation period is repeated: naturally reducing the temperature to 52 ℃, then increasing the temperature of the dry balls to 54 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature; and (3) drying the leaves of the tobacco leaves in the high-temperature layer, drying the leaves of the tobacco leaves in the low-temperature layer by 1/3-1/2, and whitening the main veins of the tobacco leaves in the whole furnace.
5. The tobacco leaf modulating process method by time oscillation according to claim 1, wherein the oscillation process of the time speed of the dry stem period is specifically as follows:
adjusting the wet bulb temperature of a tobacco filling chamber to 39.0-41.0 ℃, starting heating from the dry bulb temperature of 54 ℃, increasing the dry bulb temperature to 62 ℃ at the heating rate of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 60 ℃, then increasing the temperature of the dry balls to 64 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating; naturally reducing the temperature to 62 ℃, then increasing the temperature of the dry balls to 68 ℃ at the temperature increasing speed of 2 ℃/h, and then stopping heating; the following time, the tobacco leaf dry stem period is repeated: and naturally reducing the temperature to 65 ℃, then increasing the temperature of the dry ball to 68 ℃ at the temperature increasing speed of 1 ℃/h, and then stopping heating to naturally reduce the temperature. Stopping until the tobacco leaves in the whole furnace are dried.
6. The time-oscillated tobacco leaf curing process according to claim 1, wherein:
the cigarette packing density applicable to the modulation process method is 35-55 kg/m3。
7. The time-oscillated tobacco leaf curing process according to any one of claims 2 to 4, wherein:
the high-temperature layer tobacco leaves are determined according to an airflow descending type curing barn or an airflow ascending type curing barn, the high-temperature layer tobacco leaves refer to the top layer of the curing barn for the airflow descending type curing barn, and the high-temperature layer tobacco leaves refer to the bottom layer of the curing barn for the airflow ascending type curing barn; the low-temperature layer tobacco leaves refer to tobacco leaves in the relative residual space except the high-temperature layer tobacco leaves.
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| CN112315013A (en) * | 2020-11-15 | 2021-02-05 | 云南省烟草农业科学研究院 | Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house |
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| CN106418640A (en) * | 2016-11-22 | 2017-02-22 | 河南农业大学 | Method for preventing tobacco leaves from mildewing and rotting in baking process of airflow rising type bulk curing barn |
| CN108618186A (en) * | 2018-05-08 | 2018-10-09 | 云南省烟草农业科学研究院 | A kind of K326 kind baking methods based on fresh tobacco leaf quality |
| CN109288112A (en) * | 2018-11-28 | 2019-02-01 | 湖南科技大学 | Six sections of baking process of Bi Na No.1 upper tobacco leaf |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112315013A (en) * | 2020-11-15 | 2021-02-05 | 云南省烟草农业科学研究院 | Tobacco leaf modulation method for preset power failure emergency treatment of air source heat pump tobacco curing house |
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