CN106235371B - Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette - Google Patents
Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette Download PDFInfo
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- CN106235371B CN106235371B CN201610861072.4A CN201610861072A CN106235371B CN 106235371 B CN106235371 B CN 106235371B CN 201610861072 A CN201610861072 A CN 201610861072A CN 106235371 B CN106235371 B CN 106235371B
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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 kind of bulk curing barns to dissipate the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, comprises the following steps：（1）Cigarette is filled using leaf accumulation mode is dissipated completely：（2）Bulk curing barn dissipates the persistently overheating roasting perfume of leaf accumulation dress cigarette and bakes soft baking process by bulk curing barn controller setting and perform, and scattered leaf accumulation is filled cigarette mode and toasted using air-flow rising-type bulk curing barn, gets damp again and unload cigarette after changing yellow stage, fixation stage, drying muscle stage.The present invention can be ensured that full a heatable brick bed baking quality of tobacco, the present invention takes the technology of " moisturizing flavescence, slowly slow fixation, persistently overheating, humiture dynamic change ", the fragrance component total amount of cured tobacco leaf averagely improves 9.5%, smooth cigarette quantity averagely declines 38.9%, and first-class cigarette ratio averagely improves 13.6%.
Description
Technical field
Type of the present invention is related to a kind of bulk curing barn and dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, belongs to tobacco leaf
Baking technology field.
Background technology
Tobacco flue-curing be unable to do without baking process.Baking process be in Tobacco Leaf Curing to dry-bulb temperature, wet bulb humidity,
The specific requirement of the variables such as baking time and control technique.Bulk curing barn dissipates the tobacco flue-curing that leaf accumulation dress cigarette mode is applied at present
Technique such as three-phase-drying for tobacco technique, six step bakings etc., are all to take ladder-elevating temperature mode, that is, have multiple temperature rise periods and steady temperature
Stage is formed, and general time temperature rise period is shorter, and the steady thermophase time is longer.These ladder-elevating temperature baking process are in tobacco flue-curing
It is had the following problems in practice：
（1）The heating rate of temperature rise period is too fast, and the dry bulb heating rate in yellowing stage and fixation stage is generally (0.5
~1 DEG C)/h or even faster, the dry bulb heating rate in dry muscle stage for 1 DEG C/h and more than.Yellowing stage and the heating of fixation stage
Excessive velocities, on the one hand can cause tobacco leaf dehydration and drying very fast and to be rendered as structure stiff, not soft, after baking smooth cigarette ratio compared with
It is high；On the other hand do not have enough time so that and be unfavorable for quality of tobacco macromolecular substances such as chlorophyll, protein, starch etc. fully
Or appropriate Degradation and Transformation, and cause the flavor matter of generation and its precursor substance not abundant enough, cured tobacco leaf perfume quantity deficiency.
Extremely complex physiological change, biochemical reaction, chemical reaction and physics has occurred in tobacco leaf in baking process
Variation, so as to change the physicochemical character of tobacco leaf.Process conditions only residing for tobacco leaf（Temperature, relative humidity, baking time）And
Its dynamic change is suitable, these variations can just carry out by easy stages, can just make to be unfavorable for quality of tobacco macromolecular substances abundant
Or appropriate Degradation and Transformation, be just conducive to the formation of quality of tobacco and fixation and bake perfume, scalding, bake, it is slow to be just conducive to tobacco leaf
It actuates and bakes soft.
（2）The duration of steady thermophase is long, generally 34 DEG C of steady temperature 10h and more than, 38 DEG C of steady temperature 18h and with
It is upper, 54 DEG C of steady temperature 12h and more than, etc., it is difficult to ensure full a heatable brick bed baking quality of tobacco.At present, China's bulk curing barn generally fills
3 canopy of cigarette（Layer）, different canopies in baking process（Layer）The environmental condition of hypo-tobacco leaf（Air condition）There are certain temperature gradient and phases
To moist gradient, i.e., in the baking process condition residing for identical baking time difference canopy hypo-tobacco leaf（Air condition）It is different
, generally in later stage the differing greatly to dry muscle early period that turn yellow, 1~3 DEG C of the temperature difference of adjacent canopy time, relative humidity difference
10%~30%, bottom canopy（Layer）And ceiling（Layer）Difference bigger, 3~5 DEG C of temperature difference, relative humidity difference more than 30%.At present
The air that the baking process of bulk curing barn is measured with the sensor temperature-sensing probe of temperature highest, relative humidity minimum canopy time is warm and humid
Spend and be configured and regulate and control for target, i.e., the following canopy temperature sensor of air-flow rising-type bulk curing barn be master control sensor, air-flow
Descending type compression flue-curing barn more than canopy temperature sensor is master control sensor.Therefore, the humiture shown by controller actually only
The baking process condition for hanging up master control sensor canopy hypo-tobacco leaf can be represented, the baking process of the even canopy hypo-tobacco leaf is suitable,
It cannot represent that the baking process of other canopy hypo-tobacco leafs is suitable, and often the baking process of other canopy hypo-tobacco leafs owes suitable or not
It is suitable, it is usually that temperature is relatively low, relative humidity is higher.If the duration of steady thermophase is long, it is unfavorable for other canopies in fact
The quality modulation of hypo-tobacco leaf, such as the surely warm overlong time in 34 DEG C and 38 DEG C, the temperature of other canopy hypo-tobacco leafs is relatively low, hydrolase
The activity for waiting enzymes is relatively low, and the internal macromolecular substances such as degradation speeds such as starch, protein, chlorophyll are slower, are unfavorable for them and fill
Divide or suitably degrade；Afterwards, since heating rate is very fast, and the canopy for causing original temperature relatively low is crossed in the short period of time
Suitable for the temperature humidity range of macromolecular substances Degradation and Transformation, hereafter since temperature is higher and humidity is relatively low, make in tobacco leaf freely
Water vapor discharge is more and causes tobacco leaf water content relatively low, and the activity of hydrolase can be suppressed, and also be unfavorable for macromolecular substances
Abundant or appropriate Degradation and Transformation, what is generated is conducive to the small-molecule substance such as flavor matters such as amino acid, monose and Aroma precursor
The amount deficiency of substance, causes part tobacco leaf to bake rear perfume quantity deficiency, and structure is not stiff, unloose, soft.In addition, although 54
DEG C steady temperature is longer be conducive to master control sensor where the tobacco leaf of canopy time generate more flavor matter, but other canopy hypo-tobacco leaf temperature
Relatively low, the flavor matter of generation is few, and very fast due to heating up later, has crossed the temperature suitable for flavor matter generation soon
Spend the stage.As it can be seen that the duration of steady thermophase is long, it is unfavorable for the quality modulation of other canopy hypo-tobacco leafs, that is, cannot ensure
Full a heatable brick bed tobacco leaf bakes perfume and bakes soft bake.
（3）Yellowing stage especially turn yellow early period and flavescence mid-term dry and wet difference it is larger, in 38 DEG C of dry-bulb temperature, wet bulb
Temperature is 36 DEG C or so, in 40 DEG C of dry-bulb temperature, wet-bulb temperature be 37 DEG C or so, tobacco leaf can be made to lose more Free water,
The activity of the enzymes such as hydrolase is influenced, is unfavorable for macromolecular substances Degradation and Transformation, is unfavorable for tobacco leaf and fully turns yellow, be unfavorable for tobacco leaf and bake
It is fragrant, roasting it is soft, bake.
（4）These ladder-elevating temperature baking process cannot meet all dress cigarette modes and bake the fragrant roasting soft needs for baking tobacco leaf.It is close
The posture that the different dress smoke for filling cigarette mode of collection barn are different, tobacco leaf is presented and its variation in baking process are different, right
The influence of environment air property is different in barn, it is necessary to is taken respectively with various dress cigarette modes suitable for mating baking process
Can ensure that all dress cigarette modes tobacco leaves bake it is fragrant, roasting it is soft, bake.
The content of the invention
Type technical problems to be solved of the present invention are to provide a kind of formation and fixation for being conducive to quality of tobacco, can promote
Full a heatable brick bed tobacco leaf scalding, it is roasting it is fragrant, it is roasting it is soft, bake, the bulk curing barn for improving full a heatable brick bed baking quality of tobacco dissipates leaf accumulation dress cigarette and persistently rises
The roasting fragrant deficiency baked soft baking method, existing issue can be solved of temperature.
The technical solution of type of the present invention：Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, including
Following steps：
（1）Cigarette is filled using leaf accumulation mode is dissipated completely：On the basis of proper mature (ripe) harvests tobacco leaf, the classification of fresh cigarette, classification is fitted
Amount uniformly fills cigarette, and the suitable dress smoke of seat barn is 4000~5000kg；
（2）Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette and is set by bulk curing barn controller
With execution, dissipate leaf accumulation dress cigarette mode and toasted using air-flow rising-type bulk curing barn, air-flow rising-type bulk curing barn is in controller
It is upper to be controlled using lower canopy；
（3）Changing yellow stage：After bulk curing barn installs cigarette, the fuel inside stove is lighted, by dry-bulb temperature and wet bulb temperature
Degree rises to 32 DEG C, steady temperature 1h；Then dry, wet-bulb temperature is raised to 36 DEG C with the heating rate of 0.20~0.25 DEG C/h, steady temperature
1h；Dry, wet-bulb temperature is raised to 37~38 DEG C with the speed of 0.125~0.20 DEG C/h again, steady temperature 1h；Again with 0.1~0.125
DEG C/dry-bulb temperature is raised to 40 DEG C by the speed of h, wet bulb is kept for 37~38 DEG C, steady temperature 1h；Then with the speed of 0.1~0.20 DEG C/h
Dry-bulb temperature is raised to 42 DEG C by degree, and wet bulb gradually decreases to 35~34 DEG C, and two layers of tobacco leaf nine is made to feel like jelly to hundred per cent Huang, master pulse；
（4）Fixation stage：Dry-bulb temperature is raised to 48 DEG C with the speed of 0.25~0.33 DEG C/h, wet bulb gradually rises to 35~
36 DEG C, steady temperature 1h；Wet and dry bulb temperature is raised to 55 DEG C with the speed of 0.25~0.33 DEG C/h, wet bulb ball gradually rises to 37~38
DEG C, make the complete yellow, dry plate of two layers of tobacco leaf；
（5）Drying muscle stage：Dry-bulb temperature is raised to 69~70 DEG C with the speed of 0.5 DEG C/h, wet bulb gradually rises to 38~39
DEG C, 15~18h of steady temperature makes the complete dry muscle of a heatable brick bed tobacco leaf.
（6）Cigarette is got damp again and unloads, it is general using manually moisture regain after baking, it is drenched in right amount by the circulating fan to operation
Water makes hothouse tobacco-leaf quick damping, and can also open barn door and window in the higher cigarette district of air humidity makes tobacco leaf get damp again naturally in barn,
Cigarette is tied up after moisture regain, is then charged into tabacco barn.
Foregoing bulk curing barn dissipate leaf accumulation dress cigarette it is persistently overheating it is roasting it is fragrant bake soft baking method and be, when dress cigarette, first will
Dress cigarette grid are lain in the cigarette-placing rack in barn, tobacco leaf are gently shaken loose, blade base manages relatively；Using blade tip upward, leaf
Base portion scattered leaf dress product mode directed downwardly fills cigarette；Each layer accumulation tobacco leaf direction is consistent, slightly tilts forwards, heap cigarette angle 85~90
Degree, every layer of tobacco leaf must be filled uniformly, fill cigarette to the back-end from cigarette-filling house front end, after a packaged cigarette grid fill tobacco leaf, then put
Another packaged cigarette grid；Order fills cigarette from inside to outside, until filling barn.
Foregoing bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, in the later stage that turns yellow, baking
During the higher tobacco leaf of the high tobacco leaf of maturity, inferior leads, the tobacco leaf of flavescence speed, water content, wet-bulb temperature drops to 34
℃；When toasting the less tobacco leaf of the low tobacco leaf of maturity, upper leaf, turn yellow slow tobacco leaf, water content, under wet-bulb temperature
Drop to 35 DEG C.
It is yellowing stage dry-bulb temperature that foregoing bulk curing barn, which dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette,
Specifically heating rate will be determined according to factors such as Maturity of Tobacco Leaf, position, tobacco flue-curing characteristics, quick heating one when maturity is higher
A bit, heating is slow when relatively low, and inferior leads heating is more fast, upper leaf heating is partially slow, the fast then quick heating of tobacco leaf flavescence
Some, the slow then heating that turns yellow it is slow.
Compared with the prior art, the present invention has the advantages that：
The present invention has the advantages that：
（1）It can be ensured that full a heatable brick bed baking quality of tobacco.The present invention takes " moisturizing flavescence, slowly slow fixation, lasting liter
The technology of temperature, humiture dynamic change ", it is ensured that per canopy in barn（Layer）Tobacco leaf is in the humiture model for being suitable for quality modulation
The baking time enclosed is enough, and is not much different, and can promote every canopy（Layer）Tobacco leaf all fully turns yellow, macromolecular substances are abundant
Or the flavor matter that appropriate Degradation and Transformation, generation are more, and can in time fixation and consolidate quality, bake each canopy hypo-tobacco leaf of full a heatable brick bed
It is yellow, roasting it is fragrant, it is roasting it is soft, bake, improve full a heatable brick bed baking quality of tobacco and industrial applicability.According to 2014~2015 years result of the tests,
Compared with the three ladder baking process applied with dissipating leaf accumulation dress cigarette mode in production, the fragrance component total amount of cured tobacco leaf of the present invention
9.5% is averagely improved, smooth cigarette quantity averagely declines 38.9%, and first-class cigarette ratio averagely improves 13.6%.
（2）Baking process is brief and concise, grasps, sets and changes convenient for baking personnel.In baking process, personnel are toasted
It can determine the need for modifying to baking process of the present invention according to the specific situation of change of tobacco leaf, if necessary to change, one
As long as the baking time of temperature rise period suitably is increased or decreased to adjust heating rate as.
（3）Increase tobacco grower and receive people.Since cured tobacco leaf actuates, relatively soft, orange cigarette ratio is higher, and first-class cigarette ratio improves
13.6%, tobacco leaf average price improves 1.12 yuan/kg, per mu to increase income 146.85 yuan.
（4）In drying muscle stage（Stage）Wet-bulb temperature inferior leads are maintained at 40 DEG C（Relatively high relative humidity is kept with profit
In the color for suitably deepening inferior leads）, middle leaf be maintained at 39 DEG C, upper leaf be maintained at 38 DEG C（Keep relatively low opposite
Humidity is too deep to prevent the color of upper leaf）.
Operation is used for convenience of technical staff and tobacco grower simultaneously, applicant is to hanging the persistently overheating roasting fragrant roasting soft baking of pole dress cigarette
The links of method are counted and arranged, and detail is shown in Table 1
Table 1 dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette
Specific embodiment
Embodiment 1
Bulk curing barn is provided and dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, is comprised the following steps：
（1）Cigarette is filled using leaf accumulation mode is dissipated completely.On the basis of proper mature (ripe) harvests tobacco leaf, the classification of fresh cigarette, classification is fitted
Amount uniformly fills cigarette.Cigarette grid will first be filled（Split-wind plate）It lies in the cigarette-placing rack in barn, tobacco leaf is gently shaken loose, blade base
It is opposite to manage；Using blade tip upward, leaf base scattered leaf dress product mode directed downwardly fill cigarette；Each layer accumulation tobacco leaf direction is consistent, gently
Micro- to tilt forwards, 85~90 degree of heap cigarette angle, every layer of tobacco leaf must be filled uniformly, not interspace.From cigarette-filling house front end backward
End dress cigarette, after a packaged cigarette grid fill tobacco leaf, then puts another packaged cigarette grid；Order fills cigarette from inside to outside, roasting until filling
Room.The suitable dress smoke of 1 barn is 4000~5000kg.
（2）Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette and is set by bulk curing barn controller
With execution.Leaf accumulation dress cigarette mode is dissipated generally suitable for using the baking of air-flow rising-type bulk curing barn.Air-flow rising-type bulk curing barn
It is controlled on the controller using lower canopy.
（3）Changing yellow stage（Stage）：After bulk curing barn installs cigarette, light the fuel inside stove, by dry-bulb temperature and
Wet-bulb temperature rises to 32 DEG C, steady temperature 1h；Then with（0.20~0.25 DEG C）Dry, wet-bulb temperature is raised to 36 by the heating rate of/h
DEG C, steady temperature 1h；Dry, wet-bulb temperature is raised to 37~38 DEG C with the speed of (0.125~0.20 DEG C)/h again, steady temperature 1h；Again with
Dry-bulb temperature is raised to 40 DEG C by the speed of (0.1~0.125) DEG C/h, and wet bulb is kept for 37~38 DEG C, steady temperature 1h；Then with (0.1~
0.20 DEG C) dry-bulb temperature is raised to 42 DEG C by the speed of/h, and wet bulb gradually decreases to 35~34 DEG C（The high tobacco leaf of baking maturity,
During the higher tobacco leaf of inferior leads, the tobacco leaf of flavescence speed, water content, wet-bulb temperature declines more；It is low to toast maturity
Tobacco leaf, upper leaf, turn yellow slow tobacco leaf, water content less tobacco leaf when, wet-bulb temperature declines few）, make two
Layer tobacco leaf nine feels like jelly to hundred per cent Huang, master pulse.The specific heating rate of yellowing stage dry-bulb temperature will according to Maturity of Tobacco Leaf, position,
The factors such as tobacco flue-curing characteristic determine, when maturity is higher quick heating some, it is relatively low when heating it is slow, inferior leads heating is fast
Some, upper leaf heating it is partially slow, tobacco leaf turn yellow fast then quick heating some, the slow then heating that turns yellow it is slow.
（4）Fixation stage（Stage）：Dry-bulb temperature is raised to 48 DEG C with the speed of (0.25~0.33 DEG C)/h, on wet bulb is gradual
35~36 DEG C are raised to, steady temperature 1h；Wet and dry bulb temperature is raised to 55 DEG C with the speed of (0.25~0.33 DEG C)/h, on wet bulb ball is gradual
37~38 DEG C are raised to, makes the complete yellow, dry plate of two layers of tobacco leaf.Specific heating rate will be according to tobacco leaf position, maturity, flavescence speed etc.
It is adjusted.
（5）Drying muscle stage（Stage）：Dry-bulb temperature is raised to 69~70 DEG C with the speed of 0.5 DEG C/h, wet bulb gradually rises to
38~39 DEG C, 15~18h of steady temperature makes the complete dry muscle of a heatable brick bed tobacco leaf.
（6）Cigarette is got damp again and unloads, it is general using manually moisture regain after baking, it is drenched in right amount by the circulating fan to operation
Water makes hothouse tobacco-leaf quick damping, and can also open barn door and window in the higher cigarette district of air humidity makes tobacco leaf get damp again naturally in barn,
Tobacco leaf is taken out after moisture regain, tie up, is then charged into tabacco barn.
Although the dry-bulb temperature of the present invention will also undergo 32~69 DEG C as background technology, taken with background technology
Stage heat up with the technical characteristic of steady temperature have very big distinguishing characteristics be " moisturizing flavescences, slow fixation, it is slow it is persistently overheating,
Humiture dynamic change ", in several temperature nodes only steady temperature 1h, to set heating rate and wet-bulb temperature below.
The present invention is described in further detail with reference to embodiment.
The present invention is that a kind of bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette, different parts tobacco leaf
Baking process difference, the processing step difference of inferior leads, middle leaf and upper leaf is as follows：
（1）Inferior leads bake fragrant roasting soft baking process（Table 2）
1. yellowing stage：It fills cigarette to light a fire afterwards, dry, wet-bulb temperature is risen to 32 DEG C, steady temperature 1h；With the liter of 0.25 DEG C/h
Dry, wet-bulb temperature is raised to 36 DEG C by warm speed, steady temperature 1h；Then dry-bulb temperature is raised to the speed of (0.15~0.20 DEG C)/h
38 DEG C, wet-bulb temperature is raised to 37 DEG C, steady temperature 1h；Dry-bulb temperature is raised to 40 DEG C with the speed of 0.125 DEG C/h again, wet bulb keeps 37
DEG C, steady temperature 1h；Dry-bulb temperature is raised to 42 DEG C with the speed of (0.15~0.20 DEG C)/h, wet bulb gradually decreases to 34.5~34
DEG C, two layers of ninety percent Huang of tobacco leaves, master pulse is made to feel like jelly.
2. the fixation stage：Dry-bulb temperature is raised to 48 DEG C with the speed of (0.30~0.33 DEG C)/h, wet bulb gradually rises to
35 DEG C, steady temperature 1h；Wet and dry bulb temperature is raised to 55 DEG C with the speed of (0.30~0.33 DEG C)/h, wet bulb gradually rises to 37 DEG C,
Make the complete yellow, dry plate of two layers of tobacco leaf.
3. the dry muscle stage：Dry-bulb temperature is raised to 70 DEG C with the speed of 0.50 DEG C/h, wet bulb is gradually raised to 39 DEG C, steady temperature 15
~17h makes the complete dry muscle of a heatable brick bed tobacco leaf.
2 inferior leads of table dissipate the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette
（2）Middle leaf bakes fragrant roasting soft baking process（Table 3）
1. yellowing stage：It fills cigarette to light a fire afterwards, dry, wet-bulb temperature is risen to 32 DEG C, steady temperature 1h；With the liter of 0.25 DEG C/h
Dry, wet-bulb temperature is raised to 36 DEG C by warm speed, steady temperature 1h；Then with the speed of (0.125~0.15 DEG C)/h by dry-bulb temperature liter
To 38 DEG C, wet-bulb temperature is raised to 37.5 DEG C, steady temperature 1h；Dry-bulb temperature is raised to 40 with the speed of (0.10~0.125 DEG C)/h again
DEG C, wet bulb is kept for 37.5 DEG C, steady temperature 1h；Dry-bulb temperature is raised to 42 DEG C with the speed of (0.125~0.15 DEG C)/h, wet bulb is gradual
Drop to 34.5 DEG C, two layers of ninety percent Huang of tobacco leaves, master pulse is made to feel like jelly.
3 middle leaf of table dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette
2. the fixation stage：Dry-bulb temperature is raised to 48 DEG C with the speed of (0.25~0.30 DEG C)/h, 35.5 DEG C of wet bulb is steady warm
1h；Wet and dry bulb temperature is raised to 55 DEG C with the speed of 0.30 DEG C/h, wet bulb gradually rises to 37.5 DEG C, make two layers of tobacco leaf it is complete yellow,
Dry plate.
3. the dry muscle stage：Dry-bulb temperature is raised to 69~70 DEG C with the speed of 0.50 DEG C/h, wet bulb gradually rises to 38~
39 DEG C, 15~18h of steady temperature makes the complete dry muscle of a heatable brick bed tobacco leaf.
（3）Upper leaf bakes fragrant roasting soft baking process（Table 4）
1. yellowing stage：It fills cigarette to light a fire afterwards, dry, wet-bulb temperature is risen to 32 DEG C, steady temperature 1h；With the liter of 0.20 DEG C/h
Dry, wet-bulb temperature is raised to 36 DEG C by warm speed, steady temperature 1h；It then will dry, wet-bulb temperature with the speed of (0.125~0.15 DEG C)/h
38 DEG C are raised to, steady temperature 1h；Dry-bulb temperature is raised to 40 DEG C with the speed of (0.10~0.125 DEG C)/h again, wet bulb is kept for 38 DEG C, surely
Warm 1h；Dry-bulb temperature is raised to 42 DEG C with the speed of (0.10~0.125 DEG C)/h, wet bulb gradually decreases to 35~34.5 DEG C, makes
Two layers of tobacco leaf ninety percent are yellow, master pulse feels like jelly.
2. the fixation stage：Dry-bulb temperature is raised to 48 DEG C with the speed of 0.25 DEG C/h, wet bulb gradually rises to 36 DEG C, steady temperature
1h；Wet and dry bulb temperature is raised to 55 DEG C with the speed of (0.25~0.30 DEG C) DEG C/h, wet bulb gradually rises to 38 DEG C, makes two layers of cigarette
Ye Quanhuang, dry plate.
3. the dry muscle stage：Dry-bulb temperature is raised to 69 DEG C with the speed of 0.50 DEG C/h, wet bulb is kept for 38 DEG C, steady temperature 16~
18h makes the complete dry muscle of a heatable brick bed tobacco leaf.
4 upper leaf of table dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette
Claims (4)
1. a kind of bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, it is characterised in that：Including following step
Suddenly：
（1）Cigarette is filled using leaf accumulation mode is dissipated completely：On the basis of proper mature (ripe) harvests tobacco leaf, the classification of fresh cigarette, classify, is appropriate,
Even dress cigarette, the suitable dress smoke of barn are 4000~5000kg；
（2）Bulk curing barn dissipates the persistently overheating roasting fragrant roasting soft baking process of leaf accumulation dress cigarette and is set by bulk curing barn controller with holding
Row is dissipated leaf accumulation dress cigarette mode and is toasted using air-flow rising-type bulk curing barn, and air-flow rising-type bulk curing barn is adopted on the controller
It is controlled with lower canopy；
（3）Changing yellow stage：After bulk curing barn installs cigarette, the fuel inside stove is lighted, dry-bulb temperature and wet-bulb temperature is equal
32 DEG C are risen to, steady temperature 1h；Then dry, wet-bulb temperature is raised to 36 DEG C with the heating rate of 0.20~0.25 DEG C/h, steady temperature 1h；Again
Dry, wet-bulb temperature is raised to 37~38 DEG C with the speed of 0.125~0.20 DEG C/h, steady temperature 1h；Again with 0.1~0.125 DEG C/h's
Dry-bulb temperature is raised to 40 DEG C by speed, and wet bulb is kept for 37~38 DEG C, steady temperature 1h；It then will be dry with the speed of 0.1~0.20 DEG C/h
Ball temperature is raised to 42 DEG C, and wet bulb gradually decreases to 35~34 DEG C, and two layers of tobacco leaf nine is made to feel like jelly to hundred per cent Huang, master pulse；
（4）Fixation stage：Dry-bulb temperature is raised to 48 DEG C with the speed of 0.25~0.33 DEG C/h, wet bulb gradually rises to 35~36
DEG C, steady temperature 1h；Dry-bulb temperature is raised to 55 DEG C with the speed of 0.25~0.33 DEG C/h, wet-bulb temperature gradually rises to 37~38
DEG C, make the complete yellow, dry plate of two layers of tobacco leaf；
（5）Drying muscle stage：Dry-bulb temperature is raised to 69~70 DEG C with the speed of 0.5 DEG C/h, wet bulb gradually rises to 38~39 DEG C, surely
15~18h of temperature makes the complete dry muscle of a heatable brick bed tobacco leaf；
（6）Cigarette is got damp again and unloads, it is general using manually moisture regain after baking, made by the appropriate water drenching of circulating fan to operation
Hothouse tobacco-leaf quick damping, can also open barn door and window in the higher cigarette district of air humidity makes tobacco leaf get damp again naturally in barn, moisture regain
Cigarette is tied up afterwards, is then charged into tabacco barn.
2. bulk curing barn according to claim 1 dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, feature
It is：First dress cigarette grid are lain in the cigarette-placing rack in barn during described dress cigarette, tobacco leaf is gently shaken loose, blade base it is opposite
It manages；Using blade tip upward, leaf base scattered leaf dress product mode directed downwardly fill cigarette；Each layer accumulation tobacco leaf direction is consistent, slightly forward
Side tilts, and 85~90 degree of heap cigarette angle, every layer of tobacco leaf must fill uniformly, and cigarette is filled to the back-end from cigarette-filling house front end, when one packaged
After cigarette grid fill tobacco leaf, then put another packaged cigarette grid；Order fills cigarette from inside to outside, until filling barn.
3. bulk curing barn according to claim 1 dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, feature
It is：In the later stage that turns yellow, the higher tobacco leaf of the high tobacco leaf of baking maturity, inferior leads, the tobacco leaf of flavescence speed, water content
When, wet-bulb temperature drops to 34 DEG C；It is less to toast the low tobacco leaf of maturity, upper leaf, the slow tobacco leaf of flavescence, water content
Tobacco leaf when, wet-bulb temperature drops to 35 DEG C.
4. bulk curing barn according to claim 2 dissipates the persistently overheating roasting fragrant roasting soft baking method of leaf accumulation dress cigarette, feature
It is：The specific heating rate of yellowing stage dry-bulb temperature will determine according to Maturity of Tobacco Leaf, position, tobacco flue-curing characteristic factor,
When maturity is higher quick heating some, it is relatively low when heating it is slow, inferior leads heating is more fast, upper leaf heating partially slow one
A bit, tobacco leaf turn yellow fast then quick heating some, the slow then heating that turns yellow it is slow.
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