CN106235371A - Bulk curing barn dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method - Google Patents
Bulk curing barn dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method Download PDFInfo
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- CN106235371A CN106235371A CN201610861072.4A CN201610861072A CN106235371A CN 106235371 A CN106235371 A CN 106235371A CN 201610861072 A CN201610861072 A CN 201610861072A CN 106235371 A CN106235371 A CN 106235371A
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- nicotiana tabacum
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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 barn to dissipate leaf and pile up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method, comprise the following steps: (1) employing dissipates leaf accumulation mode dress cigarette completely: (2) bulk curing barn dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking process by bulk curing barn controller setting and execution, dissipating leaf accumulation dress cigarette mode uses air-flow rising-type bulk curing barn to toast, and gets damp again and unload cigarette after changing yellow stage, fixation stage, drying muscle stage.The present invention is able to ensure that full a heatable brick bed baking quality of tobacco, the present invention takes the technology of " moisturizing flavescence, slow fixation, the most persistently overheating, humiture dynamically 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 relates to a kind of bulk curing barn and dissipates leaf and pile up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method, belongs to Nicotiana tabacum L.
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 variablees such as baking time and control technique.Bulk curing barn dissipates leaf and piles up the tobacco flue-curing that dress cigarette mode is applied at present
Technique such as three-phase-drying for tobacco technique, six step bakings etc., be all to take ladder-elevating temperature mode, i.e. has multiple temperature rise period and steady temperature
Stage is constituted, 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
There is problems in that in practice
(1) programming rate of temperature rise period is too fast, the dry bulb programming rate in yellowing stage and fixation stage generally (0.5～1
DEG C)/h, the most faster, the dry bulb programming rate in dry muscle stage be 1 DEG C/h and more than.Yellowing stage and fixation stage programming rate
Too fast, Nicotiana tabacum L. dehydrate on the one hand can be caused comparatively fast to be rendered as structure stiff, the most soft, roasting rear smooth cigarette ratio is higher；
On the other hand do not have enough time so that be unfavorable for quality of tobacco macromolecular substances such as chlorophyll, protein, starch etc. abundant or
Appropriateness Degradation and Transformation, and cause the flavor matter of generation and precursor substance thereof the abundantest, cured tobacco leaf perfume quantity is not enough.
Nicotiana tabacum L. there occurs extremely complex physiological change, biochemical reaction, chemical reaction and physics in baking process
Change, thus change the physicochemical character of Nicotiana tabacum L..Only process conditions (temperature, relative humidity, baking time) residing for Nicotiana tabacum L. and
It is suitable that it dynamically changes, and these changes just can be carried out by easy stages, just can make to be unfavorable for that quality of tobacco macromolecular substances is abundant
Or appropriateness Degradation and Transformation, be just conducive to the formation of quality of tobacco to bake perfume, scalding with fixing, bake, be just conducive to Nicotiana tabacum L. slow
Actuate and bake soft.
(2) persistent period of steady thermophase is long, typically 34 DEG C of steady temperature 10h and above, 38 DEG C of steady temperature 18h and with
Upper, 54 DEG C of steady temperature 12h and more than, etc., it is difficult to guarantee full a heatable brick bed baking quality of tobacco.At present, China's bulk curing barn typically fills
Cigarette 3 canopy (layer), in baking process there is uniform temperature gradient and phase in the environmental condition (air condition) of different canopy (layer) hypo-tobacco leafs
To moist gradient, it is i.e. different in the baking process condition (air condition) residing for identical baking time difference canopy hypo-tobacco leaf
, typically later stage the differing greatly to dry muscle early stage that turn yellow, the temperature difference 1 of adjacent canopy time～3 DEG C, relative humidity difference
10%～30%, the difference of end canopy (layer) and ceiling (layer) is bigger, temperature difference 3～5 DEG C, relative humidity difference more than 30%.At present
The air that the baking process of bulk curing barn is all the highest with temperature, the sensor temperature-sensing probe of the minimum canopy of relative humidity time measures is warm and humid
Degree is configured for target and regulates and controls, i.e. air-flow rising-type bulk curing barn following canopy temperature sensor is master control sensor, air-flow
Descending type compression flue-curing barn above canopy temperature sensor is master control sensor.Therefore, the humiture shown by controller is actually only
The baking process condition hanging up master control sensor canopy hypo-tobacco leaf can be represented, even if the baking process of this canopy hypo-tobacco leaf is suitable, also
The baking process that can not represent other canopy hypo-tobacco leafs is suitable, and the baking process of other canopy hypo-tobacco leafs is owed suitably or not often
Suitably, usually temperature is on the low side, relative humidity is higher.If the persistent period of steady thermophase is long, in fact it is unfavorable for other canopies
Hypo-tobacco leaf quality modulation, such as when 34 DEG C and 38 DEG C surely temperature overlong time, the temperature of other canopy hypo-tobacco leafs is relatively low, hydrolytic enzyme
Relatively low Deng the activity of enzyme, the internal macromolecular substances such as degradation speed such as starch, protein, chlorophyll is relatively slow, is unfavorable for that they fill
Divide or suitably degrade；Afterwards, owing to programming rate is very fast, the canopy making again original temperature relatively low is crossed in the short period of time
The temperature humidity range of suitable macromolecular substances Degradation and Transformation, hereafter higher due to temperature and humidity is relatively low, make in Nicotiana tabacum L. freely
Water vapor is discharged more and is caused Nicotiana tabacum L. water content relatively low, and the activity of hydrolytic enzyme can be suppressed, and is also unfavorable for macromolecular substances
Abundant or suitable Degradation and Transformation, generated is conducive to the small-molecule substance such as flavor matter such as aminoacid, monosaccharide and Aroma precursor
The amount of material is not enough, and after causing part Nicotiana tabacum L. roasting, perfume quantity is not enough, and structure is stiff, unloose, the most soft.Although it addition, 54
The longer Nicotiana tabacum L. being conducive to master control sensor place canopy time of DEG C steady temperature generates more flavor matter, but other canopy hypo-tobacco leaf temperature
Relatively low, the flavor matter of generation is few, and very fast owing to heating up later, has crossed the temperature that suitable flavor matter generates soon
Spend the stage.Visible, the persistent period of steady thermophase is long, and is unfavorable for the quality modulation of other canopy hypo-tobacco leafs, i.e. cannot ensure
Soft baking baked by the roasting perfume of full a heatable brick bed Nicotiana tabacum L..
(3) yellowing stage especially flavescence early stage and the dry and wet difference turned yellow mid-term are relatively big, when dry-bulb temperature 38 DEG C, wet bulb
Temperature is about 36 DEG C, when dry-bulb temperature 40 DEG C, wet bulb temperature be about 37 DEG C, Nicotiana tabacum L. can be made to lose more Free water,
Affect the activity of the enzymes such as hydrolytic enzyme, be unfavorable for macromolecular substances Degradation and Transformation, be unfavorable for that Nicotiana tabacum L. fully turns yellow, be unfavorable for that Nicotiana tabacum L. is baked
Fragrant, roasting soft, bake.
(4) these ladder-elevating temperature baking process can not meet all dress cigarette modes roasting soft needs baking Nicotiana tabacum L. of roasting perfume.Close
The attitude that dress smoke is different, Nicotiana tabacum L. is presented of collection barn difference dress cigarette mode and the change in baking process thereof are different, right
In barn, the impact of environment air property is different, it is necessary to take the baking process the most supporting with various dress cigarette modes just respectively
Can ensure that the Nicotiana tabacum L. of all dress cigarette modes roasting fragrant, roasting soft, bake.
Summary of the invention
Type of the present invention to solve the technical problem that and is to provide a kind of formation being conducive to quality of tobacco and fixes, it is possible to promote
Full a heatable brick bed Nicotiana tabacum L. scalding, roasting fragrant, roasting soft, bake, improve the bulk curing barn of full a heatable brick bed baking quality of tobacco and dissipate leaf and pile up dress cigarette and persistently rise
The roasting soft baking method of the roasting perfume of temperature, can solve the deficiency of existing issue.
The technical scheme of type of the present invention: bulk curing barn dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method, including
Following steps:
(1) use and dissipate leaf accumulation mode dress cigarette completely: on the basis of proper mature (ripe) gathers Nicotiana tabacum L., the classification of fresh cigarette, classification, appropriate, all
Even dress cigarette, the suitable dress smoke of seat barn is 4000～5000kg；
(2) bulk curing barn dissipate leaf pile up dress the persistently overheating roasting perfume (or spice) of cigarette bake soft baking process by bulk curing barn controller arrange and hold
OK, dissipating leaf accumulation dress cigarette mode and use air-flow rising-type bulk curing barn to toast, air-flow rising-type bulk curing barn is adopted on the controller
Control with lower canopy；
(3) changing yellow stage: after bulk curing barn installs cigarette, lights the fuel inside stove, by equal to dry-bulb temperature and wet bulb temperature
Rise to 32 DEG C, steady temperature 1h；Then with the programming rate of 0.20～0.25 DEG C/h, dry, wet bulb temperature are raised to 36 DEG C, steady temperature 1h；Again
With the speed of 0.125～0.20 DEG C/h, dry, wet bulb temperature are raised to 37～38 DEG C, 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 keeps 37～38 DEG C, steady temperature 1h；Then the speed with 0.1～0.20 DEG C/h will be dry
Bulb temperature is raised to 42 DEG C, and wet bulb gradually decreases to 35～34 DEG C, makes two layers of Nicotiana tabacum L. nine feel like jelly to hundred per cent Huang, master pulse；
(4) fixation stage: with the speed of 0.25～0.33 DEG C/h, dry-bulb temperature being raised to 48 DEG C, wet bulb gradually rises to 35～36
DEG C, steady temperature 1h；With the speed of 0.25～0.33 DEG C/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb ball gradually rises to 37～38
DEG C, make two layers of Nicotiana tabacum L. yellow, dry tablet entirely；
(5) drying muscle stage: with the speed of 0.5 DEG C/h, dry-bulb temperature being raised to 69～70 DEG C, wet bulb gradually rises to 38～39 DEG C, surely
Temperature 15～18h, makes the complete dry muscle of a heatable brick bed Nicotiana tabacum L..
(6) getting damp again and unload cigarette, after baking terminates, general employing is manually got damp again, by drenching in right amount to the circulating fan run
Water makes hothouse tobacco-leaf quick damping, also can open barn door and window in air humidity relatively Gao Yan district and make Nicotiana tabacum L. moisture regain naturally in barn,
After moisture regain, cigarette tied up, be then charged into tabacco barn.
Aforesaid bulk curing barn dissipates leaf and piles up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method and be, first will during described dress cigarette
Dress cigarette grid lie in the cigarette-placing rack in barn, Nicotiana tabacum L. are shaken loose gently, blade base manages relatively；Use blade tip upward, leaf
The base portion long-pending mode of scattered leaf dress down fills cigarette；It is consistent that each layer stack amasss Nicotiana tabacum L. direction, the most forwards tilts, heap cigarette angle 85～90
Degree, every layer of Nicotiana tabacum L. must uniformly be filled, and fills cigarette to the back-end from cigarette-filling house front end, after packaged cigarette grid fill Nicotiana tabacum L., then puts
Another packaged cigarette grid；Order fills cigarette from inside to outside, until filling barn.
Aforesaid bulk curing barn dissipates leaf and pile up the dress persistently overheating roasting perfume (or spice) of cigarette to bake soft baking method is, in the later stage that turns yellow, to toast
During the higher Nicotiana tabacum L. of Nicotiana tabacum L. that Maturity is high, inferior leads, the Nicotiana tabacum L. of flavescence speed, water content, wet bulb temperature drops to 34
℃；When toasting the Nicotiana tabacum L. of the low Nicotiana tabacum L. of Maturity, upper leaf, the slow Nicotiana tabacum L. of flavescence, moisture content less, under wet bulb temperature
Drop to 35 DEG C.
Aforesaid bulk curing barn dissipates leaf and piles up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method and be, yellowing stage dry-bulb temperature
Concrete programming rate to determine according to factors such as Maturity of Tobacco Leaf, position, tobacco flue-curing characteristics, quick heating one when Maturity is higher
A bit, on the low side time heat up slow, heat up more fast, upper leaf of inferior leads heats up partially slow, and Nicotiana tabacum L. turns yellow fast the most then quick heating
Some, turn yellow slow the most then heat up slow.
Compared with the prior art, the present invention has the advantages that:
The present invention has the advantages that:
(1) it is able to ensure that full a heatable brick bed baking quality of tobacco.The present invention takes " moisturizing flavescence, slow fixation, the most persistently overheating, warm
Humidity dynamically changes " technology, it is ensured that in barn, every canopy (layer) Nicotiana tabacum L. is in the temperature humidity range being suitable for quality modulation
Baking time is all enough, and is more or less the same, and every canopy (layer) Nicotiana tabacum L. i.e. can be promoted the most fully to turn yellow, macromolecular substances fully or is fitted
Degree Degradation and Transformation, generate more flavor matter, and can in time fixation and consolidate quality, make each canopy hypo-tobacco leaf scalding of full a heatable brick bed,
Roasting fragrant, roasting soft, bake, improve full a heatable brick bed baking quality of tobacco and industrial applicability.According to result of the test in 2014～2015, with life
The three ladder baking process that on product, scattered leaf accumulation dress cigarette mode is applied are compared, and the fragrance component total amount of cured tobacco leaf of the present invention is average
Improving 9.5%, smooth cigarette quantity averagely declines 38.9%, and first-class cigarette ratio averagely improves 13.6%.
(2) baking process is brief and concise, it is simple to baking personnel grasp, arrange and revise.In baking process, toast personnel
Can determine the need for baking process of the present invention is modified according to the concrete situation of change of Nicotiana tabacum L., if needing amendment, one
As long as the baking time of temperature rise period is suitably increased or decreased to regulate programming rate as.
(3) increase tobacco grower and receive people.Due to cured tobacco leaf actuate, relatively soft, orange cigarette ratio is higher, first-class cigarette ratio improve
13.6%, Nicotiana tabacum L. average price improves 1.12 yuan/kg, per mu increases income 146.85 yuan.
(4) drying muscle stage (stage) wet bulb temperature inferior leads be maintained at 40 DEG C (keep of a relatively high relative humidity in order to
In the color suitably deepening inferior leads), middle leaf is maintained at 39 DEG C, upper leaf is maintained at 38 DEG C and (keeps relatively low relative
Humidity is the deepest with the color preventing upper leaf).
Using operation for convenience of technical staff and tobacco grower, applicant bakes soft baking to hanging the pole dress persistently overheating roasting perfume (or spice) of cigarette simultaneously
The links of method is added up and is arranged, and detail is shown in Table 1
Table 1 dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking process
Detailed description of the invention
Embodiment 1
There is provided bulk curing barn to dissipate the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method, comprise the following steps:
(1) employing dissipates leaf accumulation mode dress cigarette completely.On the basis of proper mature (ripe) gathers Nicotiana tabacum L., the classification of fresh cigarette, classify, in right amount, all
Even dress cigarette.First dress cigarette grid (split-wind plate) is lain in the cigarette-placing rack in barn, Nicotiana tabacum L. is shaken loose gently, blade base is managed relatively
Together；Use blade tip upward, the leaf base scattered leaf long-pending mode of dress down fill cigarette；Each layer stack is amassed Nicotiana tabacum L. direction and is wanted consistent, the most forward
Side tilts, and heap cigarette angle 85～90 degree, every layer of Nicotiana tabacum L. must uniformly be filled, and does not interspaces.Cigarette is filled to the back-end from cigarette-filling house front end,
After packaged cigarette grid fill Nicotiana tabacum L., then put another packaged cigarette grid；Order fills cigarette from inside to outside, until filling barn.Bake for 1
The suitable dress smoke in room is 4000～5000kg.
(2) bulk curing barn is dissipated leaf and piles up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking process and arranged by bulk curing barn controller
With execution.Dissipating leaf accumulation dress cigarette mode the most suitably uses air-flow rising-type bulk curing barn to toast.Air-flow rising-type bulk curing barn
Lower canopy is used to control on the controller.
(3) in changing yellow stage (stage): after bulk curing barn installs cigarette, light the fuel inside stove, by dry-bulb temperature and
Wet bulb temperature all rises to 32 DEG C, steady temperature 1h；Then with the programming rate of (0.20～0.25 DEG C)/h, dry, wet bulb temperature are raised to 36
DEG C, steady temperature 1h；With the speed of (0.125～0.20 DEG C)/h, dry, wet bulb temperature are raised to 37～38 DEG C 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 keeps 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, wet bulb gradually decrease to 35～34 DEG C (Nicotiana tabacum L. that baking Maturity is high,
During the higher Nicotiana tabacum L. of inferior leads, the Nicotiana tabacum L. of flavescence speed, water content, wet bulb temperature declines more；Baking Maturity is low
Nicotiana tabacum L., upper leaf, the slow Nicotiana tabacum L. of flavescence, moisture content less Nicotiana tabacum L. time, wet bulb temperature declines few), make two
Layer Nicotiana tabacum L. nine is yellow to hundred per cent, master pulse feels like jelly.The concrete programming 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, on the low side time heat up slow, inferior leads heats up fast
Some, upper leaf heat up partially slow, Nicotiana tabacum L. turn yellow fast the most then quick heating some, turn yellow slow the most then heat up slow.
(4) fixation stage (stage): with the speed of (0.25～0.33 DEG C)/h, dry-bulb temperature being raised to 48 DEG C, wet bulb is gradually gone up
It is raised to 35～36 DEG C, steady temperature 1h；With the speed of (0.25～0.33 DEG C)/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb ball is gradually gone up
It is raised to 37～38 DEG C, makes two layers of Nicotiana tabacum L. yellow, dry tablet entirely.Concrete programming rate will be according to Nicotiana tabacum L. position, Maturity, flavescence speed etc.
It is adjusted.
(5) drying muscle stage (stage): with the speed of 0.5 DEG C/h, dry-bulb temperature being raised to 69～70 DEG C, wet bulb gradually rises to
38～39 DEG C, steady temperature 15～18h, make the complete dry muscle of a heatable brick bed Nicotiana tabacum L..
(6) getting damp again and unload cigarette, after baking terminates, general employing is manually got damp again, by drenching in right amount to the circulating fan run
Water makes hothouse tobacco-leaf quick damping, also can open barn door and window in air humidity relatively Gao Yan district and make Nicotiana tabacum L. moisture regain naturally in barn,
After moisture regain, Nicotiana tabacum L. is taken out, ties up, is then charged into tabacco barn.
Although the dry-bulb temperature of the present invention also to experience 32～69 DEG C as background technology, but take with background technology
Stage heat up with the technical characteristic of steady temperature have the biggest distinguishing characteristics be " moisturizing flavescence, slow fixation, the most persistently overheating,
Humiture dynamically changes ", at several temperature nodes only steady temperature 1h, in order to arrange programming rate below and wet bulb temperature.
Below in conjunction with embodiment, the present invention is described in further detail.
The present invention is that a kind of bulk curing barn dissipates leaf and piles up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking process, different parts Nicotiana tabacum L.
Baking process difference, the described processing step of inferior leads, middle leaf and upper leaf is as follows:
(1) the roasting soft baking process (table 2) of the roasting perfume of inferior leads
1. yellowing stage: light a fire after dress cigarette, dry, wet bulb temperature are all risen to 32 DEG C, steady temperature 1h；Intensification speed with 0.25 DEG C/h
Spend and dry, wet bulb temperature are raised to 36 DEG C, steady temperature 1h；Then with the speed of (0.15～0.20 DEG C)/h, dry-bulb temperature is raised to 38
DEG C, wet bulb temperature is raised to 37 DEG C, steady temperature 1h；With the speed of 0.125 DEG C/h, dry-bulb temperature being raised to 40 DEG C again, wet bulb keeps 37
DEG C, steady temperature 1h；With the speed of (0.15～0.20 DEG C)/h, dry-bulb temperature being raised to 42 DEG C, wet bulb gradually decreases to 34.5～34
DEG C, make two layers of Nicotiana tabacum Lves ninety percent Huang, master pulse feel like jelly.
2. the fixation stage: with the speed of (0.30～0.33 DEG C)/h, dry-bulb temperature being raised to 48 DEG C, wet bulb gradually rises to
35 DEG C, steady temperature 1h；With the speed of (0.30～0.33 DEG C)/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb gradually rises to 37 DEG C,
Make two layers of Nicotiana tabacum L. yellow, dry tablet entirely.
The most dry muscle stage: with the speed of 0.50 DEG C/h, dry-bulb temperature being raised to 70 DEG C, wet bulb is gradually raised to 39 DEG C, steady temperature 15
～17h, make the complete dry muscle of a heatable brick bed Nicotiana tabacum L..
Table 2 inferior leads dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking process
(2) the roasting soft baking process (table 3) of the roasting perfume of middle leaf
1. yellowing stage: light a fire after dress cigarette, dry, wet bulb temperature are all risen to 32 DEG C, steady temperature 1h；Intensification speed with 0.25 DEG C/h
Spend and dry, wet bulb temperature are raised to 36 DEG C, steady temperature 1h；Then with the speed of (0.125～0.15 DEG C)/h, dry-bulb temperature is raised to 38
DEG C, wet bulb temperature is raised to 37.5 DEG C, steady temperature 1h；With the speed of (0.10～0.125 DEG C)/h, dry-bulb temperature is raised to 40 DEG C again, wet
Ball keeps 37.5 DEG C, steady temperature 1h；With the speed of (0.125～0.15 DEG C)/h, dry-bulb temperature being raised to 42 DEG C, wet bulb is gradually reduced
To 34.5 DEG C, two layers of Nicotiana tabacum Lves ninety percent Huang, master pulse are made to feel like jelly.
Table 3 middle leaf dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking process
2. the fixation stage: dry-bulb temperature is raised to 48 DEG C with the speed of (0.25～0.30 DEG C)/h, wet bulb 35.5 DEG C, steady temperature 1h；
With the speed of 0.30 DEG C/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb gradually rises to 37.5 DEG C, makes two layers of Nicotiana tabacum L. entirely yellow, dry
Sheet.
The most 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 rise to 38～
39 DEG C, steady temperature 15～18h, make the complete dry muscle of a heatable brick bed Nicotiana tabacum L..
(3) the roasting soft baking process (table 4) of the roasting perfume of upper leaf
1. yellowing stage: light a fire after dress cigarette, dry, wet bulb temperature are all risen to 32 DEG C, steady temperature 1h；Intensification speed with 0.20 DEG C/h
Spend and dry, wet bulb temperature are raised to 36 DEG C, steady temperature 1h；Then with the speed of (0.125～0.15 DEG C)/h, dry, wet bulb temperature are raised to
38 DEG C, steady temperature 1h；With the speed of (0.10～0.125 DEG C)/h, dry-bulb temperature being raised to 40 DEG C again, wet bulb keeps 38 DEG C, surely temperature
1h；With the speed of (0.10～0.125 DEG C)/h, dry-bulb temperature being raised to 42 DEG C, wet bulb gradually decreases to 35～34.5 DEG C, makes two
Layer Nicotiana tabacum L. ninety percent is yellow, master pulse feels like jelly.
2. fixation stage: with the speed of 0.25 DEG C/h, dry-bulb temperature being raised to 48 DEG C, wet bulb gradually rises to 36 DEG C, surely temperature
1h；With the speed of (0.25～0.30 DEG C) DEG C/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb gradually rises to 38 DEG C, makes two layers of cigarette
Ye Quanhuang, dry tablet.
In the most dry muscle stage: dry-bulb temperature is raised to 69 DEG C with the speed of 0.50 DEG C/h, wet bulb keeps 38 DEG C, steady temperature 16～
18h, makes the complete dry muscle of a heatable brick bed Nicotiana tabacum L..
Table 4 upper leaf dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking process
Claims (4)
1. a bulk curing barn dissipates leaf and piles up the dress persistently overheating roasting perfume (or spice) of cigarette and bake soft baking method, it is characterised in that: include following step
Rapid:
(1) use and dissipate leaf accumulation mode dress cigarette completely: on the basis of proper mature (ripe) gathers Nicotiana tabacum L., the classification of fresh cigarette, classification, appropriate, all
Even dress cigarette, the suitable dress smoke of seat barn is 4000～5000kg；
(2) bulk curing barn dissipate leaf pile up dress the persistently overheating roasting perfume (or spice) of cigarette bake soft baking process by bulk curing barn controller arrange and hold
OK, dissipating leaf accumulation dress cigarette mode and use air-flow rising-type bulk curing barn to toast, air-flow rising-type bulk curing barn is adopted on the controller
Control with lower canopy；
(3) changing yellow stage: after bulk curing barn installs cigarette, lights the fuel inside stove, by equal to dry-bulb temperature and wet bulb temperature
Rise to 32 DEG C, steady temperature 1h；Then with the programming rate of 0.20～0.25 DEG C/h, dry, wet bulb temperature are raised to 36 DEG C, steady temperature 1h；Again
With the speed of 0.125～0.20 DEG C/h, dry, wet bulb temperature are raised to 37～38 DEG C, 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 keeps 37～38 DEG C, steady temperature 1h；Then the speed with 0.1～0.20 DEG C/h will be dry
Bulb temperature is raised to 42 DEG C, and wet bulb gradually decreases to 35～34 DEG C, makes two layers of Nicotiana tabacum L. nine feel like jelly to hundred per cent Huang, master pulse；
(4) fixation stage: with the speed of 0.25～0.33 DEG C/h, dry-bulb temperature being raised to 48 DEG C, wet bulb gradually rises to 35～36
DEG C, steady temperature 1h；With the speed of 0.25～0.33 DEG C/h, wet and dry bulb temperature being raised to 55 DEG C, wet bulb ball gradually rises to 37～38
DEG C, make two layers of Nicotiana tabacum L. yellow, dry tablet entirely；
(5) drying muscle stage: with the speed of 0.5 DEG C/h, dry-bulb temperature being raised to 69～70 DEG C, wet bulb gradually rises to 38～39 DEG C, surely
Temperature 15～18h, makes the complete dry muscle of a heatable brick bed Nicotiana tabacum L.；
(6) getting damp again and unload cigarette, after baking terminates, general employing is manually got damp again, by making to the appropriate trickle of circulating fan run
Hothouse tobacco-leaf quick damping, also can open barn door and window and make Nicotiana tabacum L. moisture regain naturally, moisture regain in barn in air humidity relatively Gao Yan district
After cigarette tied up, be then charged into tabacco barn.
Bulk curing barn the most according to claim 1 dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method, its feature
Be: during described dress cigarette first will dress cigarette grid lie in barn cigarette-placing rack on, Nicotiana tabacum L. is shaken loose gently, blade base relative
Manage；Use blade tip upward, the leaf base scattered leaf long-pending mode of dress down fill cigarette；It is consistent, the most forward that each layer stack amasss Nicotiana tabacum L. direction
Side tilts, and heap cigarette angle 85～90 degree, every layer of Nicotiana tabacum L. must uniformly be filled, and fills cigarette to the back-end from cigarette-filling house front end, when one is packaged
After cigarette grid fill Nicotiana tabacum L., then put another packaged cigarette grid；Order fills cigarette from inside to outside, until filling barn.
Bulk curing barn the most according to claim 1 dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method, its feature
It is: in the later stage that turns yellow, the baking high Nicotiana tabacum L. of Maturity, inferior leads, the Nicotiana tabacum L. of flavescence speed, Nicotiana tabacum L. that water content is higher
Time, wet bulb temperature drops to 34 DEG C；Toast the low Nicotiana tabacum L. of Maturity, upper leaf, the slow Nicotiana tabacum L. of flavescence, moisture content less
Nicotiana tabacum L. time, wet bulb temperature drops to 35 DEG C.
Bulk curing barn the most according to claim 2 dissipates the leaf accumulation dress persistently overheating roasting perfume (or spice) of cigarette and bakes soft baking method, its feature
It is: the concrete programming rate of yellowing stage dry-bulb temperature is true according to factors such as Maturity of Tobacco Leaf, position, tobacco flue-curing characteristics
Fixed, when Maturity is higher quick heating some, on the low side time heat up slow, heat up more fast, upper leaf of inferior leads heats up the slowest
Some, Nicotiana tabacum L. turn yellow fast the most then quick heating some, turn yellow slow the most then heat up slow.
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