CN105433425A - Method for natural fermentation curing at yellowing stage - Google Patents
Method for natural fermentation curing at yellowing stage Download PDFInfo
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- CN105433425A CN105433425A CN201510899133.1A CN201510899133A CN105433425A CN 105433425 A CN105433425 A CN 105433425A CN 201510899133 A CN201510899133 A CN 201510899133A CN 105433425 A CN105433425 A CN 105433425A
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- bulb temperature
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- wet
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- tobacco leaves
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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
- A24B3/10—Roasting or cooling tobacco
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Abstract
The invention discloses a method for natural fermentation curing at a yellowing stage. The method includes the steps that 1, after tobacco leaves are loaded and fired, dry-bulb temperature and wet-bulb temperature are controlled to be 34 DEG C and kept for 4-5 hours; 2, after the dry-bulb temperature and the wet-bulb temperature are raised to 37 DEG C, a circulating fan and a cold air valve are turned off for 10 hours, and the fire of a stove is banked; 3, when the dry-bulb temperature and the wet-bulb temperature are raised to 39 DEG C, the circulating fan is operated for 20 minutes every 3 hours until the tobacco leaves are yellowed and ribs of the tobacco leaves are blued; 4, the dry-bulb temperature is raised to 43 DEG C, the wet-bulb temperature is controlled to be 36 DEG C-37 DEG C for dehumidification, after the tobacco leaves are slightly rolled, the dry-bulb temperature is raised to 46 DEG C, the wet-bulb temperature is controlled to be 36 DEG C-37 DEG C, and after the tobacco leaves are largely rolled, the dry-bulb temperature is raised to 52 DEG C, the wet-bulb temperature is controlled to be 37 DEG C-38 DEG C, and the temperature is kept for 10-15 hours; 5, the tobacco leaves enter a normal rib drying stage to be cured until the ribs of the tobacco leaves are fully dried. Compared with the prior art, ash hung on the tobacco leaves on the upper portion can be effectively reduced, the curing quality of the tobacco leaves can be improved, the curing cost can be further lowered, and good economic benefits are achieved.
Description
Technical field
The present invention relates to the method for a kind of changing yellow stage spontaneous fermentation baking, belong to method for flue-curing tobacco leaves technical field.
Background technology
So-called dust tobacco leaf, refers to the grey that the unclear boundaries that cured tobacco leaf blade face occurs vary in size is unclear or dark brown spot.Its producing cause is that fixation middle and later periods moisture fails to eject in time, and at high temperature tobacco leaf water content is still more and there occurs caused by " browning reaction ".Be characterized in having grey and auburn spot in appearance, in interior quality, aroma quality is poor, and perfume quantity is few, and excitant is large, the features such as flammability is weak, and in cigarette composition, compatibility is poor, withered and burnt smell is heavier.
In recent years, Longli County, Guizhou tobacco flue-curing upper smoke dust is in rising trend year by year, and dust tobacco leaf ratio is about about 20%, traces it to its cause, the mainly Huang because tobacco leaf non-normal mature in field falls, and existing tobacco flue-curing mode can not meet the requirement of baking quality of tobacco.Therefore, study a kind of roasting mode that can reduce upper smoke dust and just seem important.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of method that changing yellow stage spontaneous fermentation is toasted, reformed AHP has been carried out to existing roasting mode, can not only effectively reduce upper tobacco leaf dust, improve baking quality of tobacco, and there is the advantage of saving baking cost, can the deficiencies in the prior art be overcome.
Technical scheme of the present invention: the method for a kind of changing yellow stage spontaneous fermentation baking, described baking comprises following processing method: 1) on tobacco leaf a heatable brick bed on fire after, dry-bulb temperature and wet-bulb temperature are controlled at 34 degree, individual hour of steady temperature 4-5.Tobacco leaf adopts lower rear loading hothouse baking from cigarette strain, transfers baking temperature to, need the process of an adaptive temperature from extraneous normal temperature.The temperature of this process can not be too high, otherwise tobacco leaf will be caused roasting blue or green.Under this temperature conditions of the present invention, can make tobacco leaf adaptive temperature through the bakings of 5 hours, can ensure that tobacco leaf is normally wilting, color change and chemical change can carry out smoothly.
2) when dry-bulb temperature and wet-bulb temperature rise to 37 degree, close circulating fan and cold-air flap 10 hours, and cooking stove is banked up a fire.This step can allow tobacco leaf utilize optimum temperature to carry out breathing and produce fermentation phenomenon, main cause is that tobacco leaf is after leaving cigarette strain, break off the source of moisture and nutrient, at this moment the metabolic activity of tobacco leaf can only rely on the nutrition goods and materials consuming self storage to maintain under the effect of respiratory enzyme, and this process is called hungry metabolism.And temperature affects respiration, within limits, the respiration of tobacco leaf is strengthened along with the rising of temperature, peaks before and after 35-36 degree, and along with respiration, tobacco leaf releases a large amount of heats, thus makes tobacco leaf in barn produce ferment effect.
3) when dry-bulb temperature and wet-bulb temperature rise to 39 degree, close circulating fan and cold-air flap, every 3 hours operation circulating fans 20 minutes, until tobacco leaf Huang Pian Celadon muscle.This step can allow the relative humidity in changing yellow stage barn remain on about 85% ~ 50%, and under these conditions, the vital metabolic activity of leaf cell is proceeding, and cause the loss of portion of water in leaf, blade is disappeared by green, and yellow fully manifests.Utilize hot and humid quickening tobacco leaf to turn yellow, change the custom of low temperature and low humidity flavescence in the past, solve the tobacco leaf dust phenomenon that nutrient consumption in the past excessively causes; Every 3 hours operation circulating fans 20 minutes in this step in addition, object allows the warm and humid difference between smoke stratification reduce, and makes humiture in barn basically identical, in case vexed bad tobacco leaf.
4) dry-bulb temperature is risen to 43 degree, wet-bulb temperature controls to carry out hydrofuge at 36-37 degree, and the humidity in barn can be made to reduce, while guarantee yellow tobacco leaves stable in properties, improve quality of tobacco, prevent the too high generation blowning reaction of humidity from occurring dust phenomenon.After little reel, dry-bulb temperature rises to 46 degree, and wet-bulb temperature controls at 36-37 degree, can make the abundant after-ripening of tobacco leaf, ensures that cigarette muscle turns yellow.After large coil, dry-bulb temperature rises to 52 degree, and wet-bulb temperature controls at 37-38 degree, keeps 10-15 hour, can effective time expand, accelerates dehydration, dries offshoot and blade, prevents from heating up and fall hot dust and cold dust phenomenon that temperature causes.
5) baking of normal drying muscle stage is entered subsequently, until cigarette muscle is absolutely dry.
In step 3), close circulating fan when layer temperature upper and lower in barn is consistent, the object done like this makes the every one deck humiture in barn consistent, guarantees that tobacco leaf turns yellow consistent.
Compared with prior art, the invention has the advantages that: can not only effectively reduce upper tobacco leaf dust, improve baking quality of tobacco, and the roasting mode after improving can further save baking cost.According to applicant's measuring and calculating, apply 51 a heatable brick bed for Longli County, Guizhou, single a heatable brick bed baking can reduce tobacco leaf and lose 91.59 ㎏, using electricity wisely 66.7 degree, and be sparing in the use of coal 0.0793 ton, economic benefit is obvious.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below the present invention is described in further detail.
The method of a kind of changing yellow stage spontaneous fermentation baking of the present invention, described baking comprises following processing method:
1) adopt common process by a heatable brick bed on tobacco leaf to be baked.
2) on tobacco leaf a heatable brick bed on fire after, dry-bulb temperature and wet-bulb temperature are controlled at 34 degree, steady temperature 4-5 hour.
3) when dry-bulb temperature and wet-bulb temperature rise to 37 degree, close circulating fan and cold-air flap 10 hours, and cooking stove is banked up a fire.
4) when dry-bulb temperature and wet-bulb temperature rise to 39 degree, close circulating fan and cold-air flap, every 3 hours operation circulating fans 20 minutes, until tobacco leaf Huang Pian Celadon muscle, in this step, close circulating fan when layer temperature upper and lower in barn is consistent.
5) dry-bulb temperature is risen to 43 degree, wet-bulb temperature controls to carry out hydrofuge at 36-37 degree, and after little reel, dry-bulb temperature rises to 46 degree, wet-bulb temperature controls at 36-37 degree, after large coil, dry-bulb temperature rises to 52 degree, and wet-bulb temperature controls at 37-38 degree, keeps 10-15 hour.
6) enter the baking of normal drying muscle stage subsequently, adopt conventional baking process, until cigarette muscle is absolutely dry.
Results and analysis:
Table one, conventional intensive baking process is adopted to toast situation data statistic
Table two, employing baking process baking of the present invention situation data statistic
Table three, adopt baking process of the present invention and conventional baking process reducing dust cigarette, be sparing in the use of coal, data difference table in electricity consumption
Table four, Economic and Efficiency Analysis table
Note: tobacco price calculates according to B4F price
Wherein table one adopts conventional intensive baking process baking situation data statistic, table two adopts baking process of the present invention baking situation data statistic, the two is except baking process is different, all the other conditions are all substantially identical, table three be adopt baking process of the present invention and conventional baking process reducing dust cigarette, be sparing in the use of coal, data difference table in electricity consumption, table four is Economic and Efficiency Analysis data that employing baking process of the present invention has compared with conventional baking process.
As can be known from the above table, adopt baking process of the present invention compared with conventional baking process, the present invention is in the loss of minimizing tobacco leaf, and using electricity wisely, the aspect such as to be sparing in the use of coal has good effect, thus knows that the present invention has good economic benefit.In addition, as can be seen from the table, baking method of the present invention also has good effect in reduction upper tobacco leaf dust, raising baking quality.
Claims (2)
1. a method for changing yellow stage spontaneous fermentation baking, is characterized in that: described baking comprises following processing method: 1) on tobacco leaf a heatable brick bed on fire after, dry-bulb temperature and wet-bulb temperature are controlled at 34 degree, individual hour of steady temperature 4-5; 2) when dry-bulb temperature and wet-bulb temperature rise to 37 degree, close circulating fan and cold-air flap 10 hours, and cooking stove is banked up a fire; 3) when dry-bulb temperature and wet-bulb temperature rise to 39 degree, close circulating fan and cold-air flap, every 3 hours operation circulating fans 20 minutes, until tobacco leaf Huang Pian Celadon muscle; 4) dry-bulb temperature is risen to 43 degree, wet-bulb temperature controls to carry out hydrofuge at 36-37 degree, and after little reel, dry-bulb temperature rises to 46 degree, wet-bulb temperature controls at 36-37 degree, after large coil, dry-bulb temperature rises to 52 degree, and wet-bulb temperature controls at 37-38 degree, keeps 10-15 hour; 5) baking of normal drying muscle stage is entered subsequently, until cigarette muscle is absolutely dry.
2. the method for changing yellow stage spontaneous fermentation baking according to claim 1, is characterized in that: in step 3), closes described circulating fan when layer temperature upper and lower in barn is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899133.1A CN105433425A (en) | 2015-12-09 | 2015-12-09 | Method for natural fermentation curing at yellowing stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510899133.1A CN105433425A (en) | 2015-12-09 | 2015-12-09 | Method for natural fermentation curing at yellowing stage |
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| CN105433425A true CN105433425A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510899133.1A Pending CN105433425A (en) | 2015-12-09 | 2015-12-09 | Method for natural fermentation curing at yellowing stage |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100154810A1 (en) * | 2008-12-23 | 2010-06-24 | Williams Jonnie R | Tobacco Curing Method |
| CN102960844A (en) * | 2012-11-21 | 2013-03-13 | 中国农业科学院烟草研究所 | Accurate NC55 tobacco variety bulk curing process |
| CN103564635A (en) * | 2013-11-07 | 2014-02-12 | 河南农业大学 | Baking process of comb-type tobacco clamps |
| CN104432459A (en) * | 2014-12-29 | 2015-03-25 | 广东中烟工业有限责任公司 | Tobacco leaf baking method |
| CN104856211A (en) * | 2015-04-19 | 2015-08-26 | 云南省烟草公司大理州公司 | Curing method for increasing yellowing speed of tobacco leaves at upper part of Honghua Dajinyuan |
| CN105105308A (en) * | 2015-08-14 | 2015-12-02 | 贵州省烟草科学研究院 | Two-stage type bulk curing process for flue-cured tobaccos |
| CN105146705A (en) * | 2015-09-18 | 2015-12-16 | 云南省烟草公司大理州公司 | Method for baking tobacco leaves of honghua dajinyuan (Chinese character) variety by use of closed tobacco curing barn |
-
2015
- 2015-12-09 CN CN201510899133.1A patent/CN105433425A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100154810A1 (en) * | 2008-12-23 | 2010-06-24 | Williams Jonnie R | Tobacco Curing Method |
| CN102960844A (en) * | 2012-11-21 | 2013-03-13 | 中国农业科学院烟草研究所 | Accurate NC55 tobacco variety bulk curing process |
| CN103564635A (en) * | 2013-11-07 | 2014-02-12 | 河南农业大学 | Baking process of comb-type tobacco clamps |
| CN104432459A (en) * | 2014-12-29 | 2015-03-25 | 广东中烟工业有限责任公司 | Tobacco leaf baking method |
| CN104856211A (en) * | 2015-04-19 | 2015-08-26 | 云南省烟草公司大理州公司 | Curing method for increasing yellowing speed of tobacco leaves at upper part of Honghua Dajinyuan |
| CN105105308A (en) * | 2015-08-14 | 2015-12-02 | 贵州省烟草科学研究院 | Two-stage type bulk curing process for flue-cured tobaccos |
| CN105146705A (en) * | 2015-09-18 | 2015-12-16 | 云南省烟草公司大理州公司 | Method for baking tobacco leaves of honghua dajinyuan (Chinese character) variety by use of closed tobacco curing barn |
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