CN102907755B - Method for homogenizing and mixing tobacco material and backfill liquid - Google Patents
Method for homogenizing and mixing tobacco material and backfill liquid Download PDFInfo
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- CN102907755B CN102907755B CN201210322711.1A CN201210322711A CN102907755B CN 102907755 B CN102907755 B CN 102907755B CN 201210322711 A CN201210322711 A CN 201210322711A CN 102907755 B CN102907755 B CN 102907755B
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- Prior art keywords
- tobacco
- feed liquid
- backfill
- mixed
- backfill feed
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 103
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 103
- 239000007788 liquid Substances 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000002156 mixing Methods 0.000 title claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a method for homogenizing and mixing tobacco material and backfill liquid. The method comprises the following steps: squeezing the tobacco material mixed with the backfill liquid under a proper pressure; and keeping the mixed material to be turned over homogeneously. As a result, under the microscopic view, the tobacco material in contact with the backfill liquid can tightly come into contact with the tobacco material not contact with the backfill liquid; and the added backfill liquid is redistributed between the tobacco material in contact with the backfill liquid and the tobacco material not in contact with the backfill liquid under a definite squeezing pressure, so that microcosmic homogenization of the backfill is realized, and the tobacco material and the backfill liquid can be fully mixed and absorbed in the microscopic view.
Description
Technical field
The present invention relates to tobacco process field, particularly a kind of method that tobacco is mixed with backfill feed liquid homogenizing.
Background technology
Can backfilling process be used in cigarette industry perfuming, reinforced process, be about to backfill feed liquid and add in tobacco, make its Homogeneous phase mixing, form tobacco finished product.Be generally add backfill material in backfill equipment, and divide into perfuming according to the difference that adds materials, feed in raw material.In the process of conventional tobacco, except burley tobaccos feed in raw material heavier except (reaching about 20%), other tobacco charging ratio is all less, is generally no more than about 3%.The addition manner that tobacco adopts for this reason is mainly and adds feed liquid applying mode in revolving drum, trying hard to rolls to contact with the material not receiving feed liquid by the material that receives feed liquid in revolving drum realizes being uniformly distributed of feed liquid, from macroscopically, substantially achieve evenly reinforced, but from microcosmic, then may not be even.
Along with the progress of tobacco process, in increasing tobacco process technology, pipe tobacco (stem) needs the material (as backfill material over dry accounts for 20% ~ 60% of the total material over dry of backfill) backfilling larger proportion, simultaneously, in order to reduce follow-up drying load, the material concentration higher (as reaching 45%) of interpolation, the pipe tobacco (stem) be added require moisture lower (as moisture about 15%) as far as possible.Under these conditions, want to realize even backfill, in existing revolving drum, the backfilling process of filler can not meet the demands.From the situation of test, with existing backfilling process and the backfill of device vast scale, often cause occurring pipe tobacco conglomeration, very uneven, that shade deviation the is larger in appearance phenomenon of backfill feed liquid distribution.
Trace it to its cause, mainly because pipe tobacco (stem) has good feed liquid absorbent properties, when moisture is lower, more can rapid adsorption add feed liquid, and in revolution roll procedure, though material has of short duration contact, the material added is difficult to carry out contact and transmits, although to such an extent as to macroscopically can backfill evenly, microcosmic backfills uneven.
Microcosmic backfill is uneven, has certain influence, the part that especially in tobacco leaf formulation, adding proportion is little to the stay in grade of cigarette, if backfill uneven, larger on cigarette quality impact.As stem, if the ratio of adding in cigarette is less, the ratio of such as 3%, then quality discrepancy is comparatively large to be along the longitudinal direction easy to cause the stem in cigarette, to such an extent as to when burning and sucking, every mouthful of flue gas presents different odor characteristics, affects cigarette quality and stablizes.
Summary of the invention
The object of this invention is to provide a kind of method that tobacco is mixed with backfill feed liquid homogenizing, under making microscopic pattern, receive the tobacco of feed liquid and do not receive the tobacco close contact of feed liquid, and by certain squeeze pressure, make the feed liquid of having added accept and not have to redistribute between the tobacco material of acceptance, thus realize the microcosmic homogenising of backfill.
The invention provides a kind of method that tobacco is mixed with backfill feed liquid homogenizing, comprise the following steps:
Described tobacco is tentatively mixed with backfill feed liquid;
The described tobacco being tentatively mixed with backfill feed liquid is extruded, makes described tobacco homogenizing absorb described backfill feed liquid;
Carry out loose to the described tobacco after above-mentioned extruding, make described tobacco be loose condition (of surface).
As an embodiment, described pressing steps, keeps evenly stirring of described tobacco in extrusion process, is extruded uniformly to make described tobacco.
As an embodiment, in described pressing steps, extruded the described tobacco being mixed with backfill feed liquid by screw extruder, described tobacco is carried out rotation by the rotation of spiral and stirs and extrude by described screw extruder.
As an embodiment, in described pressing steps, by two roll press or the trapezoidal continuous extruder of copper gang chain, the described tobacco being mixed with backfill feed liquid is extruded, by the rotation of roller or chain, described tobacco is carried out rotation and stir and extrude.
As an embodiment, the extruding compression ratio of described screw extruder is 1.3:1 ~ 3.2:1, and spiral working speed is 8 ~ 28rpm(rev/min).
As an embodiment, the extruding compression ratio of described two roll press or the trapezoidal continuous extruder of copper gang chain is 1.3:1 ~ 3.2:1.
As an embodiment, described tobacco comprises the mixture of one or more in tobacco leaf, smoked sheet, offal, pipe tobacco, stem.
As an embodiment, after described backfill feed liquid tentatively mixes with described tobacco, be no more than 10 minutes to the time interval coming into effect described pressing steps.
As an embodiment, in described preliminary blend step, the water content in described tobacco and backfill liquid mixture is 35 ~ 55%.
As an embodiment, in described preliminary blend step, described backfill feed liquid sprays in described tobacco and mixes by the mode comprised by spraying.
As an embodiment, in described preliminary blend step, comprise, by cylinder mixing arrangement, rolling is implemented tentatively to mix to described backfill feed liquid and tobacco.
As an embodiment, in described preliminary blend step, make the material of the tobacco not absorbing described backfill feed liquid roll into a ball diameter and be less than 5mm.
The present invention is the extruding by carrying out suitable pressure to the tobacco being mixed with backfill feed liquid, evenly stirring of material can be kept simultaneously, like this can under microscopic pattern, make receive the tobacco of feed liquid and do not receive the tobacco close contact of feed liquid, and by certain squeeze pressure, the feed liquid of having added is made to accept and not have to redistribute between the tobacco material of acceptance, thus realize the microcosmic homogenising of backfill, make tobacco and backfill feed liquid also can abundant blended absorbent on microcosmic.Test display simultaneously, by arranging corresponding compression ratio and speed to pressurizing unit, making it keep suitable extruding force and stir frequency, the effect that better microcosmic Homogeneous phase mixing absorbs can be obtained.
Accompanying drawing explanation
Fig. 1 is the flow chart of an embodiment of the present invention;
Fig. 2 is screw extruder of the present invention;
Fig. 3 is the trapezoidal continuous extruder of copper gang chain of the present invention.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with drawings and embodiments.
See Fig. 1, the invention provides a kind of method that tobacco is mixed with backfill feed liquid homogenizing, comprise the following steps:
Described tobacco is tentatively mixed with backfill feed liquid.Tobacco is fully mixed with backfill feed liquid in mode that is continuous or interval, mixed proportion can control, what realize macroscopically during backfill is even as far as possible, namely from visually observing, the material absorbing feed liquid and do not absorb feed liquid is uniformly distributed, and " material group " diameter not absorbing feed liquid is less than 5mm.
The described tobacco being tentatively mixed with backfill feed liquid is extruded, makes described tobacco homogenizing absorb described backfill feed liquid.As an embodiment, in extrusion process, evenly stirring of described tobacco can be kept, be extruded uniformly to make described tobacco.
Carry out loose to the described tobacco absorbing described backfill feed liquid after extruding, make described tobacco be loose condition (of surface).Material caking after extruding, become block material to affect the drying of later process, and lump material is out of favour in the product.So this step needs to carry out loose, loose mode and adopts flexible loose.
If also find that there is the phenomenon of Microinhomogeneity after once extruding homogenizing, above step can be performed again after flexible loose, so repeat, until final microcosmic homogenizing meets the demands.
As an embodiment of the present invention, in described pressing steps, extruded the described tobacco being mixed with backfill feed liquid by screw extruder, described tobacco is carried out rotation by the rotation of spiral and stirs and extrude by described screw extruder.Described screw extruder can comprise single-screw extruder or double-screw extrusion machine, and see Fig. 2, Fig. 2 display is single-screw extruder 200, flight 210 rotates around central shaft 220, drive described material to advance, along with the reduction in material space 230, flight 210 extrudes described material.As an embodiment, the extruding compression ratio of described screw extruder is 1.3:1 ~ 3.2:1, and spiral working speed is 8 ~ 28rpm.
As an embodiment of the present invention, in described pressing steps, by two roll press or the trapezoidal continuous extruder of copper gang chain, the described tobacco being mixed with backfill feed liquid is extruded, by the rotation of roller or chain, described tobacco is carried out rotation and stir and extrude.See Fig. 3, Fig. 3 display is the trapezoidal continuous extruder 300 of copper gang chain, and copper gang chain 310 rotates and extrudes described material.When adopting two roll press, two roller rotates and stirs described tobacco and extrude.As an embodiment, the extruding compression ratio of described two roll press or the trapezoidal continuous extruder of copper gang chain is 1.3:1 ~ 3.2:1.
As an embodiment of the present invention, described tobacco comprises the mixture of one or more in tobacco leaf, smoked sheet, offal, pipe tobacco, stem.
As an embodiment of the present invention, after described backfill feed liquid tentatively mixes with described tobacco, be no more than 10 minutes to the time interval coming into effect described pressing steps.Through experiment, if this overlong time, then tobacco fully can absorb described feed liquid in local, when extruding so, is difficult to realize microcosmic homogenizing again.
As an embodiment of the present invention, in described preliminary blend step, it is 35 ~ 55% that the water content in described tobacco and backfill liquid mixture controls.Here water content, can have influence on the effect of described material microcosmic homogenizing, by experiment, keep this water content, can to the good effect of acquisition.Reduce corresponding water content simultaneously, also can reduce the load of follow-up drying process.
As an embodiment of the present invention, in described preliminary blend step, described backfill feed liquid sprays in described tobacco and mixes by the mode comprised by spraying.The mode of spray can make both Homogeneous phase mixing better.
As an embodiment of the present invention, in described preliminary blend step, comprise, by cylinder mixing arrangement, rolling is implemented tentatively to mix to described backfill feed liquid and tobacco.
As an embodiment of the present invention, in described preliminary blend step, make the material of the tobacco not absorbing described backfill feed liquid roll into a ball diameter and be less than 5mm.General, such as stem length is at 6 ~ 12mm, and plane width is at 1 ~ 2mm, regulation granule diameter is not more than 5mm, namely be no more than at most 5 stems axially also together, this is easy to be separated and separate completely in subsequent operation, and the homogenizing that also can be conducive in pressing steps absorbs.
Embodiment one: tobacco stem shredly to get through water extraction, after Separation of Solid and Liquid, water content is about 70%, be dried to moisture about 20% by pneumatic conveying dryer, then in feeding device with stem weight: the spray of the ratio of feed liquid weight=1:1 adds the stem additive of 45% solid content, actual backfill rate is 36%, and after backfill, moisture is 37.5%, after cylinder homogenizing, find microcosmic to also have some stem colors more shallow, but distribution is more even.Cylinder homogenizing stem is out sent into single-screw continuous extrusion device, and extrude, screw extrusion compression ratio is 3:1, and helical rotation frequency is 25 hertz.The material squeezed out, after flexible loose device is loose, finds uniform color, and detect through continuous sampling, backfill rate undulating value is less than 1.5%.
Embodiment two: tobacco stem shredly to get through water extraction, after Separation of Solid and Liquid, water content is about 70%, be dried to moisture about 18% by pneumatic conveying dryer, then in feeding device with stem weight: the spray of the ratio of feed liquid weight=1:1.5 adds the stem additive of 45% solid content, actual backfill rate is 45.8%, and after backfill, moisture is 40.2%, after cylinder homogenizing, find microcosmic to also have some stem colors more shallow, but distribution is more even.Cylinder homogenizing stem is out sent into single-screw continuous extrusion device, and extrude, screw extrusion compression ratio is 3:1, and helical rotation frequency is 35 hertz.The material squeezed out, after flexible loose device is loose, finds uniform color, and detect through continuous sampling, backfill rate undulating value is less than 1%.
Embodiment three: pipe tobacco is got through water extraction, after Separation of Solid and Liquid, water content is about 72%, be dried to moisture about 30% by pneumatic conveying dryer, then in feeding device with pipe tobacco weight: the spray of the ratio of feed liquid weight=1:0.5 adds the pipe tobacco additive of 40% solid content, actual backfill rate is 22%, and after backfill, moisture is 40 %, after cylinder homogenizing, find microcosmic to also have some pipe tobacco colors more shallow, but distribution is more even.Cylinder homogenizing stem is out sent into the trapezoidal continuous extrusion device of upper and lower copper gang chain, extrudes, extruding compression ratio is set to as 2.8:1.The material squeezed out, after flexible loose device is loose, finds uniform color, and detect through continuous sampling, backfill rate undulating value is less than 1%.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of above embodiment, modification.
Claims (9)
1. the method making tobacco mix with backfill feed liquid homogenizing, is characterized in that, comprise the following steps:
Described tobacco is tentatively mixed with backfill feed liquid;
The described tobacco being tentatively mixed with backfill feed liquid is extruded, the feed liquid of having added is made to accept and not have to redistribute between the tobacco material of acceptance, make tobacco and backfill feed liquid also can abundant blended absorbent on microcosmic, make described tobacco homogenizing absorb described backfill feed liquid;
Carry out loose to the described tobacco after above-mentioned extruding, make described tobacco be loose condition (of surface);
In described pressing steps, evenly stirring of the tobacco of backfill feed liquid is mixed with described in keeping in extrusion process, extruded uniformly with the tobacco being mixed with backfill feed liquid described in making, by screw extruder/trapezoidal continuous extruder of two roll press/copper gang chain, the described tobacco being mixed with backfill feed liquid is stirred and extruded.
2. the method for claim 1, it is characterized in that, described screw extruder is used to carry out rotation when stirring and extrude, the extruding compression ratio of described screw extruder is 1.3:1 ~ 3.2:1, spiral working speed is 8 ~ 28rpm, and described tobacco is carried out rotation by the rotation of spiral and stirs and extrude by it.
3. the method for claim 1, it is characterized in that, the trapezoidal continuous extruder of described two roll press/copper gang chain is used to carry out rotation when stirring and extrude, the extruding compression ratio of described two roll press or the trapezoidal continuous extruder of copper gang chain is 1.3:1 ~ 3.2:1, and described tobacco is carried out rotation by the rotation of roller chain and stirs and extrude by it.
4. the method as described in any one of claims 1 to 3, is characterized in that, described tobacco comprises the mixture of one or more in tobacco leaf, smoked sheet, offal, pipe tobacco, stem.
5. method as claimed in claim 4, is characterized in that, after described backfill feed liquid tentatively mixes with described tobacco, be no more than 10 minutes to the time interval coming into effect described pressing steps.
6. method as claimed in claim 5, is characterized in that, in described preliminary blend step, the water content in described tobacco and backfill liquid mixture is 35 ~ 55%.
7. method as claimed in claim 6, is characterized in that, in described preliminary blend step, described backfill feed liquid sprays in described tobacco and mixes by the mode comprised by spraying.
8. method as claimed in claim 7, is characterized in that, in described preliminary blend step, comprises and implements rolling tentatively to mix by cylinder mixing arrangement to described backfill feed liquid and tobacco.
9. method as claimed in claim 8, is characterized in that, in described preliminary blend step, makes the material of the tobacco not absorbing described backfill feed liquid roll into a ball diameter and is less than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322711.1A CN102907755B (en) | 2012-09-03 | 2012-09-03 | Method for homogenizing and mixing tobacco material and backfill liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322711.1A CN102907755B (en) | 2012-09-03 | 2012-09-03 | Method for homogenizing and mixing tobacco material and backfill liquid |
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| Publication Number | Publication Date |
|---|---|
| CN102907755A CN102907755A (en) | 2013-02-06 |
| CN102907755B true CN102907755B (en) | 2015-07-15 |
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| CN201210322711.1A Expired - Fee Related CN102907755B (en) | 2012-09-03 | 2012-09-03 | Method for homogenizing and mixing tobacco material and backfill liquid |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5791353A (en) * | 1995-09-25 | 1998-08-11 | Brown & Williamson Tobaccco Corporation | Method and apparatus for denitrating tobacco stem material |
| CN101297867A (en) * | 2008-06-10 | 2008-11-05 | 肖明 | Cigarette for rehabilitation and preparation thereof |
| CN102028303A (en) * | 2009-09-27 | 2011-04-27 | 湖北中烟工业有限责任公司 | Reverse suspension feeder of tobacco leaves |
| CN102196736A (en) * | 2008-10-22 | 2011-09-21 | 英美烟草（德国）有限公司 | Extractive tobacco material extrusion |
| CN102423128A (en) * | 2011-11-02 | 2012-04-25 | 江苏智思机械集团有限公司 | Roller filling machine |
| CN102697164A (en) * | 2012-06-18 | 2012-10-03 | 江苏智思机械集团有限公司 | Recombination processing method for tobacco stem shreds |
-
2012
- 2012-09-03 CN CN201210322711.1A patent/CN102907755B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5791353A (en) * | 1995-09-25 | 1998-08-11 | Brown & Williamson Tobaccco Corporation | Method and apparatus for denitrating tobacco stem material |
| CN101297867A (en) * | 2008-06-10 | 2008-11-05 | 肖明 | Cigarette for rehabilitation and preparation thereof |
| CN102196736A (en) * | 2008-10-22 | 2011-09-21 | 英美烟草（德国）有限公司 | Extractive tobacco material extrusion |
| CN102028303A (en) * | 2009-09-27 | 2011-04-27 | 湖北中烟工业有限责任公司 | Reverse suspension feeder of tobacco leaves |
| CN102423128A (en) * | 2011-11-02 | 2012-04-25 | 江苏智思机械集团有限公司 | Roller filling machine |
| CN102697164A (en) * | 2012-06-18 | 2012-10-03 | 江苏智思机械集团有限公司 | Recombination processing method for tobacco stem shreds |
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| CN102907755A (en) | 2013-02-06 |
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Effective date of registration: 20201022 Address after: Room 203, building 2, No.1 Haikun Road, Fengxian District, Shanghai, 201424 Patentee after: Shanghai Deming Biotechnology Co.,Ltd. Address before: Zuchongzhi road in Pudong New Area Zhangjiang hi tech park Shanghai city 201203 2288 Lane 3, room 1229 Patentee before: SHANGHAI JUHUA TECH Co.,Ltd. |
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Granted publication date: 20150715 |