CN105146699B - Laboratory cut tobacco drying method - Google Patents
Laboratory cut tobacco drying method Download PDFInfo
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- CN105146699B CN105146699B CN201510392769.7A CN201510392769A CN105146699B CN 105146699 B CN105146699 B CN 105146699B CN 201510392769 A CN201510392769 A CN 201510392769A CN 105146699 B CN105146699 B CN 105146699B
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Abstract
The invention belongs to the technical field of tobacco leaf processing, and particularly relates to a laboratory cut tobacco drying method. The method includes: shredding leaves; taking 100g of samples (with water content of about 17.0%) after shredding; using a larynx atomizer to add 2+/-0.5g of water; sealing at room temperature for 1-2h to enable cut tobacco to be soaked fully; transferring the cut tobacco into a laboratory cut tobacco drum dryer; drying at 125+/-3 DEG C until water content of the cut tobacco is 12.5+/-0.5%; pouring the cut tobacco out, and allowing natural cooling to room temperature. The cut tobacco after being dried by the method is mellow and high in curling degree, and drawing phenomena are reduced. Cigarettes formed by curling the cut tobacco are uniform with normally produced products in sense.
Description
Technical field
The invention belongs to Nicotiana tabacum L. processing technique field, and in particular to a kind of laboratory leaves and tobacco drying method.
Background technology
In exploitation, maintenance and transformation research process in cigarette product, often after laboratory is to single-tobacco-typed cigarette or charging
Formula cut tobacco be dried, because laboratory stage be used for test cut tobacco sample size it is less, drying meanss substantially have following three
Kind：The first divides cut tobacco in pallet, and then pallet is placed in baking oven, and baking oven setting uniform temperature is carried out to cut tobacco
It is dried, this method is cut tobacco to be dried by air-flow, because of the dried moisture content of cut tobacco of bad control, after causing to be dried
Moisture content of cut tobacco is uneven；Which two is that the pallet for being placed with cut tobacco is placed in microwave oven to be dried, and this method is by micro-
Ripple is dried to cut tobacco, similar with Oven Method, equally because of the dried moisture content of cut tobacco of bad control, causes dried leaf
Silk moisture content is uneven；Which three is that the pallet for being placed with cut tobacco is placed under hair dryer, is led under conditions of handss constantly stir cut tobacco
Cut tobacco is dried up by overfire air stream, and this method is also dried to cut tobacco by air-flow, and after being dried, cut tobacco is aqueous
Rate can be grasped preferably, and moisture content of cut tobacco is also more uniform.But above-mentioned these three drying modes are all dry with cut tobacco thin plate on production line
Dry drying mode and principle differ greatly, and it is also larger that corresponding its drying effect is dried difference with production line thin plate.
Patent No. ZL 200820066435.6 is entitled《Portable tobacco filament drying kit for experiment》Disclosing one kind is used for
The cut tobacco drying box by hot air drying of laboratory, it is easy to operate, it is very practical, but its drying mode is pneumatic conveying drying.Application
Number for 201410206839.0 entitled《A kind of tobacco shred hot blast alternating temperature drying device and its alternating temperature drying test method》Disclose
A kind of apparatus and method for air-flow alternating temperature drying test are good use for laboratory in research pneumatic conveying dryer, and which is done
Dry mode is still pneumatic conveying drying, also different from the drying mode of production line thin plate drying.
The content of the invention
Present invention aim to overcome that prior art defect, there is provided a kind of easy to operate, cost is relatively low, close to production line
The laboratory leaves and tobacco drying method that cut tobacco thin plate is dried.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of laboratory leaves and tobacco drying method, blade is carried out shredding by which, takes sample after 100g shreddings（Moisture content 17.0%
Left and right）, cut tobacco is fully infiltrated with the laryngeal spray Room-temperature seal 1-2h after 2 ± 0.5g that adds water, then proceed to use for laboratory leaf
In silk roller drier, when under the conditions of 125 ± 3 DEG C, drying to moisture content of cut tobacco is 12.5 ± 0.5%, cut tobacco is poured out, it is natural
It is cooled to room temperature.
Specifically, the rotating speed of the use for laboratory cut tobacco roller drier is 10 ± 1 r/min.
The use for laboratory cut tobacco roller drier can show, adjust temperature and rotating speed, its specifically include frame, outer tube,
Dry silk inner core, heater, controller and the frequency conversion motor with change speed gear box；The middle part of the outer tube is rotatably loaded on frame
On, baking silk inner core is rotatable in outer tube, and the two ends for drying silk inner core are stretched out outside outer tube, and the inwall for drying silk inner core is axially arranged with
Some rows deflector arranged in parallel, the both sides of outer tube left part are fixed with one to support the support roller for drying silk inner core
（Be easy to dry silk inner core can be in flow rotation in outer tube）；Heat-insulation layer is provided between outer tube and baking silk inner core；Heat-insulation layer is along baking silk
Cylinder axial direction and it is close to dry and at silk inner core barrel, is evenly equipped with to detect the temperature probe for drying silk internal barrel wall temperature；It is described outer
The lower barrel of cylinder offers groove, and heater is located in groove and the heating surface of heater is right against the outer wall for drying silk inner core；Described
Temperature probe is connected with the signal input part of controller, the signal output part control connection heater of controller；The variable-frequency electric
The output shaft of machine is connected with silk inner core is dried by variable transmission mechanism.
Further, the barrel above the outer tube is provided with exhaust port, is provided with humidity discharging cover above exhaust port；Institute
State baking silk inner core exhaust fan is provided with above frequency conversion motor；It is easy to add thermogenetic moisture or gas heating to produce in time
Flue gas drain, not only improve drying, be conducive to production environment health again.Baking silk inner core inwall is axially arranged with some arranged in parallel
Deflector, effect be dry silk inner core rotation process in, cut tobacco is taken up certain altitude and sheds again by deflector, is easy to leaf
Silk is fully dried and uniform drying.Pollution of the silk inner core to cut tobacco is dried in order to reduce, extend the service life for drying silk inner core, dry silk
The material of inner core and deflector is preferably food-grade stainless steel or titanium alloy.
Further, the frame includes the left pillar and right pillar positioned at outer tube both sides, on left pillar and right pillar
Equipped with bearing block, rotating shaft on the outer wall of the outer tube both sides, is respectively arranged with, the rotating shaft is rotatably installed on bearing block.
Further, the frame also includes motor rack, and the frequency conversion motor is installed on motor rack, and the motor rack leads to
Cross two crossbeams to be fixedly connected on the outer wall of outer tube.Hydraulic stem, the other end of hydraulic stem is hinged with below the motor rack
It is hinged in frame.The rotating speed for drying silk inner core can be set and is adjusted by frequency conversion motor.Dry silk inner core left port be into and out of
Material mouth, the present invention will unite two into one into and out of material mouth, by pushing outer tube by make the left port for drying silk inner core downward-sloping, it is real
Existing quickly discharging.
Further, described heater can both be combustion heater, or electric heater, such as can select electric heating
The heaters such as pipe, carbon fiber heating tube, magnet exciting coil, are selectively mounted to dry under silk cylinder according to the characteristic of different heating device
Side is distributed in around baking silk inner tank theca.Controller can be by the Temperature Feedback of temperature probe and regulation heater（If
Combustion heater, then adjustable fuel gas amount）The magnitude of current or start and stop, set and adjust dry silk inner core wall temperature.
Compared to the prior art, beneficial effects of the present invention：
More soft using the dried cut tobacco of the inventive method, crimpness is preferable, and drafting phenomenon is reduced.Cut tobacco is rolled up
After making Medicated cigarette, aesthetic quality is consistent with normal production product.
Description of the drawings
Fig. 1 is the structural representation of use for laboratory cut tobacco roller drier used by drying meanss of the present invention；
Right views of the Fig. 2 for Fig. 1；
In figure, 1 is frame, and 2 for drying silk inner core, and 3 is frequency conversion motor, and 4 is heater, and 5 is heat-insulation layer, 6 controllers, and 7 are
Humidity discharging cover, 8 is temperature probe, and 9 is exhaust port, and 10 is outer tube, and 11 is motor rack, and 12 is crossbeam, and 13 is rotating shaft, and 14 is axle
Bearing, 15 is support roller, and 16 is variable transmission mechanism, and 17 is exhaust fan, and 18 is left pillar, and 19 is right pillar, 20 be hydraulic stem, 21
For deflector.
Specific embodiment
With reference to embodiments technical scheme is further discussed in detail, but protection scope of the present invention
It is not limited thereto.
As illustrated in fig. 1 and 2, use for laboratory cut tobacco roller drier used in following embodiments, including frame 1, outer tube
10th, silk inner core 2, heater 4, controller 6 and the frequency conversion motor with change speed gear box 3 are dried；The middle part of the outer tube 10 is rotatable
Loaded on, in frame 1, drying, silk inner core 2 is rotatable in outer tube 10, and the two ends for drying silk inner core 2 are stretched out outside outer tube 10, dries in silk
The inwall of cylinder 2 is axially arranged with 3 ~ 4 rows deflector 21 arranged in parallel（Effect is to dry in 2 rotation process of silk inner core, deflector 21
Cut tobacco is taken up certain altitude to shed again, is easy to cut tobacco to be fully dried and uniform drying）, the both sides of 10 left part of outer tube are equal
One is fixed with to support the support roller 15 for drying silk inner core 2（Be easy to dry silk inner core can be in flow rotation in outer tube）.Outer tube 10
Heat-insulation layer 5 is provided with and baking silk inner core 2 between；Heat-insulation layer 5 is along 2 axial direction of baking silk inner core and is close to dry equal at 2 barrel of silk inner core
It is furnished with to detect three temperature probes 8 for drying 2 barrel temperature of silk inner core；The lower barrel of the outer tube 10 offers groove, heating
Device 4 is located in groove and the heating surface of heater 4 is right against the outer wall for drying silk inner core 2；Described temperature probe 8 and controller 6
Signal input part connects, the signal output part control connection heater 4 of controller 6；The output shaft of the frequency conversion motor 3 is by becoming
Fast drive mechanism 16 is connected with silk inner core 2 is dried.
Barrel above the outer tube 10 is provided with exhaust port 9, is provided with humidity discharging cover 7 above exhaust port 9；The baking
Silk inner core 2 is provided with exhaust fan 17 near the top of frequency conversion motor 3.The frame 1 includes the left pillar 18 positioned at 10 both sides of outer tube
With right pillar 19, bearing block 14 on left pillar 18 and right pillar 19, is respectively arranged with, is respectively arranged with the outer wall of 10 both sides of the outer tube and turns
Axle 13, the rotating shaft 13 are rotatably installed on bearing block 14.The frame 1 also includes motor rack 11, the frequency conversion motor 3
It is installed on motor rack 11, the motor rack 11 is fixedly connected on the outer wall of outer tube 10 by two crossbeams 12（Crossbeam 12
One end connects motor rack 11, other end connection bearing block 14）.The lower section of the motor rack 11 is hinged with hydraulic stem 20, hydraulic stem
20 other end is hinged in frame 1.Described heater 4 is electrothermal tube, selects to install according to the characteristic of different heating device
In the lower section for drying silk inner core 2.The material for drying silk inner core 2 and deflector 21 is preferably food-grade stainless steel.
Embodiment 1
A kind of laboratory leaves and tobacco drying method, blade is carried out shredding by which, takes sample after 100g shreddings（Moisture content is
17.0%）, cut tobacco is fully infiltrated with the laryngeal spray Room-temperature seal 1h after 2g that adds water, then proceed to use for laboratory cut tobacco cylinder
Drying machine（Rotating speed is 10 r/min）It is interior, when under the conditions of 125 DEG C, drying to moisture content of cut tobacco is 12.5%, cut tobacco is poured out, from
Room temperature is cooled to so.
Using primary processing line thin plate roller drier drying sample as control sample, institute will be dried using 1 method of embodiment
Obtain cut tobacco, electric oven same dried temperature（125℃）It is dried gained cut tobacco to be contrasted with which, as a result see the table below 1.
As can be seen from Table 1：The moisture content of control sample cut tobacco is 12.7%, and Filling power is 4.62cm3/g；Embodiment 1 is dried
After cut tobacco and electric oven are dried afterwards, the moisture content of cut tobacco is respectively 12.5%, 12.3%, and Filling power is respectively 4.24cm3/g、
4.02cm3/ g, between both moisture content and control sample, difference is little, in critical field（12.5±0.5%）Within, but it is real
Filling power of the cut tobacco Filling power more than cut tobacco after electric oven drying after example 1 is dried is applied, and both of which is less than control sample.
Compared with control sample, after electric oven drying, cut tobacco is elastic poor, and cut tobacco feel is coarse, and tobacco shred drafting is more,
Cut tobacco is not loose.After being dried with electric oven, cut tobacco is compared, and 1 dried cut tobacco of embodiment is more soft, and crimpness is preferable, and and
Bar phenomenon is reduced, and is closer to control sample.
Cut tobacco after drying is rolled into into the Medicated cigarette of identical weight, will be embodiment 1 and electric oven dried after equilibrium water conten
Sample carries out three-point assay with control sample respectively and contrast is smoked panel test, and number of smokeing panel test is 15 people, evaluates and analyses and the results are shown in Table 2.
As can be seen from Table 2：After embodiment 1 is dried, sample is 68% with the homogeneity rate of control sample, sample after electric oven drying
Product are 60% with the homogeneity rate of control sample.Compared with control sample, using 1 method of embodiment be dried after sample aesthetic quality with
After control sample is closer to, and electric oven is dried, the aroma quality of sample, flue gas mass, mouthfeel characteristic are poor.
The invention is not restricted to above example, there can also be many deformations.One of ordinary skill in the art can be from this
All deformations that bright disclosure is directly derived or associated, are considered as protection scope of the present invention.
Claims (2)
1. a kind of laboratory leaves and tobacco drying method, it is characterised in that blade is carried out into shredding, sample after 100g shreddings is taken, is used larynx
The head aerosol apparatus Room-temperature seal 1-2h after 2 ± 0.5g that adds water makes cut tobacco fully infiltrate, and then proceeds to use for laboratory cut tobacco cylinder dry
In machine, when drying to moisture content of cut tobacco is 12.5 ± 0.5% under the conditions of 125 ± 3 DEG C, cut tobacco is poured out, room is naturally cooled to
Temperature；
The use for laboratory cut tobacco roller drier includes frame, outer tube, dries silk inner core, heater, controller and carry speed change
The frequency conversion motor of case；The middle part of the outer tube is rotatably rotatable in outer tube loaded on silk inner core in frame, is dried, and dries silk
The two ends of inner core are stretched out outside outer tube, and the inwall for drying silk inner core is axially arranged with some rows deflector arranged in parallel, outer tube left part
Both sides be fixed with one to support dry silk inner core support roller；Heat-insulation layer is provided between outer tube and baking silk inner core；Insulation
Layer is along baking silk inner core axial direction and is close to dry the thermometric for being evenly equipped with to detect baking silk internal barrel wall temperature at silk inner core barrel
Probe；The lower barrel of the outer tube offers groove, and heater is located in groove and the heating surface of heater is right against baking silk inner core
Outer wall；Described temperature probe is connected with the signal input part of controller, the signal output part control connection heater of controller；
The output shaft of the frequency conversion motor is connected with silk inner core is dried by variable transmission mechanism.
2. laboratory leaves and tobacco drying method as claimed in claim 1, it is characterised in that the use for laboratory cut tobacco cylinder dry
The rotating speed of machine is 10 ± 1 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392769.7A CN105146699B (en) | 2015-07-07 | 2015-07-07 | Laboratory cut tobacco drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392769.7A CN105146699B (en) | 2015-07-07 | 2015-07-07 | Laboratory cut tobacco drying method |
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| Publication Number | Publication Date |
|---|---|
| CN105146699A CN105146699A (en) | 2015-12-16 |
| CN105146699B true CN105146699B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510392769.7A Active CN105146699B (en) | 2015-07-07 | 2015-07-07 | Laboratory cut tobacco drying method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2011123A1 (en) * | 1989-03-17 | 1990-09-17 | Richard M. Henderson | Method of and apparatus for determining stem content of baled tobacco |
| CN100546507C (en) * | 2007-09-12 | 2009-10-07 | 厦门烟草工业有限责任公司 | Leaves and tobacco drying method in a kind of cigarette process |
| CN102217779A (en) * | 2011-06-19 | 2011-10-19 | 红云红河烟草(集团)有限责任公司 | Method for improving cigarette quality in drum cut tobacco drying treatment stage |
| CN104432456A (en) * | 2014-10-30 | 2015-03-25 | 陕西中烟工业有限责任公司 | High-yield cut tobacco drying method |
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| CB02 | Change of applicant information |
Address after: 450000 Yulin South Road, Henan, Zheng Dong, No. 16 South Road, Zhengzhou Applicant after: China Tobacco Henan Industrial Co., Ltd. Address before: 450000 Zhengzhou agricultural road, Henan, No. 29 Applicant before: China Tobacco Henan Industrial Co., Ltd. |
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