CN105686044A - Tobacco material mixing and drying method and device - Google Patents
Tobacco material mixing and drying method and device Download PDFInfo
- Publication number
- CN105686044A CN105686044A CN201610173293.2A CN201610173293A CN105686044A CN 105686044 A CN105686044 A CN 105686044A CN 201610173293 A CN201610173293 A CN 201610173293A CN 105686044 A CN105686044 A CN 105686044A
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- tobacco
- drying device
- feed arrangement
- stem
- drum
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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
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
-
- 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
- A24B3/08—Blending tobacco
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- Drying Of Solid Materials (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a tobacco material mixing and drying method and device.Different tobacco materials are introduced into a drum-type drying device, the standing times of the materials in the drum-type drying device are controlled respectively, and the drying degrees of the materials are controlled.The materials are uniformly mixed by means of the rotating and stirring effects of the drum-type drying device.The range of materials capable of being dried is large, specific refined drying can be performed according to physical differences such as qualities and water contents of tobacco materials of different varieties and different batches while the various tobacco materials are sufficiently mixed, and the requirement for full-formula cut tobacco mixing and drying is met.The sensory quality compatibility of the materials is improved, and the mixing uniformity of the materials is improved.Operation is easy and convenient, original complex working procedures are simplified, the process smashing rate is lowered, the cost is lowered, and the good application and popularization value is achieved.
Description
Technical field
The invention belongs to technical field of tobacco processing, be specifically related to a kind of tobacco combination drying method。Meanwhile, the invention still further relates to a kind of device realizing described tobacco combination drying method。
Background technology
It is one of important procedure in Cigarette processing process that cut tobacco dries, and its purpose specifically includes that (1) removes the portion of water of cut tobacco, meets the processing request of subsequent handling；(2) remove part miscellaneous QI, improve the aesthetic quality of cut tobacco；(3) make the abundant loose mixing of cut tobacco and produce necessarily curling, improving cut tobacco filling capacity and resist processing。Current domestic tobacco productive corporation mainly has drum-type thin-plate and the dry both of which of air-flowing type on cut tobacco drying process。Owing to tobacco (tobacco shred, sheet and shreds and stem etc.) exists significant difference in absorption reconciliation water suction point, thus tobacco shred and stem are carried out grouping refined processing by each tobacco productive corporation general choice in Primary Processing, to ensure the concordance of dried tobacco moisture content。But, tobacco shred and stem are adopted grouping refined processing, though there is lifting stem use value, ensureing the features such as dried cut tobacco quality, but causes that operation is various, long flow path, be difficult to ensure that and follow-up mix the problem of tobacco shred mixing uniformity in allotment of labor's sequence；And sheet and shreds carries out drum-type thin-plate again and dries after generally mixing with tobacco shred, due to sheet and shreds and tobacco shred existence sex differernce, dry run exists the problems such as quality fluctuation is big。
Therefore, exploitation one can promote tobacco use value and ensure dried cut tobacco quality, can simplify again manufacturing procedure and ensure the drying means of tobacco shred mixing uniformity and device, controls this potentiation tool for modernization tobacco leaf production enterprise and is of great significance。
Summary of the invention
Present invention aims to the deficiencies in the prior art, a kind of tobacco combination drying method is provided, an operation realizes dry and the Homogeneous phase mixing of becoming more meticulous for different tobaccos simultaneously, simplification of flowsheet, improve mixing uniformity, solve owing to mixing of causing of the physical difference of different material joins rear quality fluctuation problem。
The tobacco combination drying device that the present invention also aims to provide a kind of simple in construction, disclosure satisfy that full formula cut tobacco combination drying and need。
The object of the invention is achieved by the following technical programs。
Except as otherwise noted, percent of the present invention is mass percent。
A kind of tobacco combination drying method, it is characterized in that: different tobaccos is introduced drum-type drying equipment respectively, by regulating each material blanking position in drum-type drying equipment, control each material time of staying in drum-type drying equipment respectively, and then control the degree of drying of each material；And utilize the rotation of drum-type drying equipment and stirring action that each material is carried out Homogeneous phase mixing。
Described tobacco combination drying method, concrete operations are as follows:
Stem, sheet and shreds and tobacco shred are introduced drum-type drying equipment respectively, it is first depending on formula for a product design and regulates the additional proportion of every kind of material, then its blanking position in cylinder is regulated according to the original moisture content of each material, the blanking position of the material that moisture content is high is forward, and its time being dried in cylinder is just long；Rearward, its time being dried in cylinder is just short in the blanking position of the material that moisture content is low；Circulating air in cylinder forms adverse current relative to the direction of motion of material；Process conditions are: stem conveying flow velocity 1～5m/min, sheet and shreds conveying flow velocity 2～6m/min, tobacco shred conveying flow velocity 5～10m/min, flight temperature 110～160 DEG C, circulating air temperature 100～140 DEG C, wind speed 1～5m/s, drum rotation speed 7～11r/min, cylinder slope 1～3 °, the moisture content controlling dried each material is kept at 12～14%。
Further, the material of moisture content > 24% first being carried out the predrying drum-type drying equipment that is re-introduced into, described predrying preferred air-flowing type dries。
If selecting to carry out predrying to stem, then by predrying for stem be 15%～20% to moisture content, blanking position is arranged on cylinder rear portion, distance discharge end 3～8m。
A kind of tobacco combination drying device, it is characterized in that: include combined feed device and roller drying device 1, described combined feed device includes at least two group feed arrangements 2, the charging cover 11 that each group of feed arrangement 2 is each passed through roller drying device 1 front end extends in roller drying device 1, feed arrangement 2 two ends are respectively provided with charging aperture 21 and discharging opening 22, and the discharging opening 22 position in roller drying device 1 can regulate。
Preferably, described combined feed device includes three groups of feed arrangements 2, is stem feed arrangement, sheet and shreds feed arrangement and tobacco shred feed arrangement from top to bottom respectively；The feed end of stem feed arrangement 2 is provided with pre-drying device, and the material blanking tube 32 of pre-drying device is connected with the charging aperture 21 of stem feed arrangement 2；The discharging opening of stem feed arrangement is positioned at cylinder rear portion, and the discharging opening of sheet and shreds feed arrangement is positioned in the middle part of cylinder, and the discharging opening of tobacco shred feed arrangement is positioned at cylinder front portion。
Described pre-drying device is air-flowing type drying device, including gas-solid separating device 3, gas-solid separating device 3 top and the bottom are respectively provided with separation gas outlet 35 and material blanking tube 32, gas-solid separating device 3 by pneumatic carrier 31 respectively with dry-heat air entrance 34 and admittedly expect that entrance 33 connects。
Described feed arrangement 2 is Collapsible structure, and feed arrangement 2 extends to the length in roller drying device 1 and freely can regulate within the scope of 0m～3m。
Described feed arrangement 2 is conveying pipe, conveyer belt or delivery chute。
Described feed arrangement 2 is provided with metering device 23, realizes PID linkage, can regulate the feed flow of each material according to mixture proportion between the transporting velocity of metering device 23 and feed arrangement 2。
Described roller drying device 1 is provided with inclination-angle regulating device 19。
Relative to prior art, the invention have the advantages that
1, the present invention can carrying out well-mixed to various tobaccos while, can also become more meticulous dry targetedly for physical difference such as variety classes and the quality of different batches tobacco, moisture content, meet the needs of full formula cut tobacco combination drying, and the material scope that can dry is wide, not only stem, sheet and shreds and tobacco shred can be dried, it is also possible to other material is dried；
2, the present invention can conciliate the difference in water suction point according to different material in absorption, the different material that fixed point feeding will be dried is utilized to render to different precalculated positions, thus controlling the different material time of staying in drying device, it is finally reached the purpose controlling different material moisture content；
3, all kinds of materials are carried out combination drying by the present invention, have both improved the compatibility of all kinds of material aesthetic quality, have improved again the uniformity of all kinds of mixing of materials, are obviously improved tobacco and mix the quality stability after joining；
What 4, material was carried out by the present invention before fixed point feeding is predrying, it is possible to the quality of improving material and use value, and the combination drying carried out afterwards is helpful；
5, the inventive method simplicity, simple in construction, batch mixing uniformly, dry materials rate high, simplify originally numerous and diverse operation, the process of decreasing is made broken, has saved cost, has good application and popularization value。
Accompanying drawing explanation
The overall structure that Fig. 1 is combination drying device of the present invention partly cuts open schematic diagram；
Fig. 2 is the A direction view of Fig. 1。
In figure: 1-roller drying device, 10-drawing mechanism, 11-charging cover, 12-discharge cover, 13-steam turnover bearing, 14-flight, 15-circulating air exports, 16-circulating air entrance, 17-steam inlet, 18-steam (vapor) outlet, 19-inclination-angle regulating device, 2-feed arrangement, 21-charging aperture, 22-discharging opening, 23-metering device, 3-gas-solid separating device, 31-pneumatic carrier, 32-material blanking tube, 33-expects entrance admittedly, 34-dry-heat air entrance, 35-separation gas exports, and 36-props up support arrangement。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but drawings and Examples are not limited to the technical solution, and based on present invention teach that any conversion or improvement made, belongs to protection scope of the present invention。
Embodiment 1:
As depicted in figs. 1 and 2, a kind of tobacco combination drying device, including combined feed device and roller drying device 1, combined feed device includes three groups of feed arrangements 2, the charging cover 11 that each group of feed arrangement 2 is each passed through roller drying device 1 front end extends in roller drying device 1, the agent structure of feed arrangement 2 is conveying pipe, and feed arrangement 2 two ends are respectively provided with charging aperture 21 and discharging opening 22, and the discharging opening 22 position in roller drying device 1 can regulate。
The one of which feed arrangement 2 i.e. feed end of stem feed arrangement arranges pre-drying device。The material blanking tube 32 of pre-drying device is connected with the charging aperture 21 of stem feed arrangement 2；Described pre-drying device includes gas-solid separating device 3, and gas-solid separating device 3 top and the bottom are respectively provided with separation gas outlet 35 and material blanking tube 32, gas-solid separating device 3 by pneumatic carrier 31 respectively with dry-heat air entrance 34 and admittedly expect that entrance 33 connects；Described pre-drying device is provided with a support arrangement 36。
Described feed arrangement 2 is Collapsible structure, and feed arrangement 2 extends to the length in roller drying device and freely can regulate within the scope of 0m～3m；Described feed arrangement 2 is provided with metering device 23, can realize PID linkage with the charging rate of feed arrangement 2, by metering device 23, the charging rate of three groups of feed arrangements 2 is controlled。
Described roller drying device 1 is provided with inclination-angle regulating device 19。
Application test: select certain two class cigarette brand, in cut tobacco formula, the ratio of tobacco shred, sheet and shreds and stem is 1:0.08:0.12, stem, sheet and shreds and cut tobacco after shredding, its moisture content respectively 32%, 19% and 21%, the apparent velocity of pneumatic carrier 31 is 18m/s, tobacco shred in this brand cut tobacco formula, sheet and shreds and stem are carried out combination drying in conjunction with above-mentioned drying device by the combination drying method utilizing the present invention, and concrete operations are as follows:
(1) predrying: the stem after shredding is first by admittedly expecting that entrance 33 falls in pneumatic carrier 31, by the technique hot blast being blown into from dry-heat air entrance 34, stem is delivered to the end of pneumatic carrier 31, complete the air-flowing type to stem predrying, dried stem enters gas-solid separating device 3 together with hot blast and carries out gas solid separation, stem after separation is fallen in the charging aperture 6 of stem feed arrangement 2 by material blanking tube 32, and technique hot blast is exported 35 discharges by the separation gas on gas-solid separating device 3, predrying rear stem moisture content is 17%；
(2) fixed point feeding: according to the difference of stem, sheet and shreds and tobacco raw material moisture content, discharging moisture content and moisture desorption rate, regulate all kinds of material time of staying in drying device, it is 1.5min, 2.4min and 3.5min respectively, particular by regulating what all kinds of materials position in drying realized, the distance discharge end respectively of the position in roller drying device rendered to by stem, sheet and shreds and tobacco shred is 4.1m, 7.5m and 10.0m；Stem after predrying, cut rear sheet and shreds and tobacco shred is entered by the charging aperture 21 of three groups of feed arrangements 2 respectively, after metering device 23 measures, fall within the precalculated position in roller drying device 1, it is achieved all kinds of tobaccos fixed point feeding；
(3) combination drying: steam passes in and out the flight 14 that bearing 12 enters into roller drying device 1 from steam inlet 17 through steam, finally discharges from steam (vapor) outlet 18, completes the heated at constant temperature of flight 14 in roller drying device 1；Simultaneously, circulating air enters roller drying device 1 from the circulating air entrance 16 on discharge cover 12 top, after by charging cover 11 top circulating air export 15 discharge, in roller drying device 1 relative tobacco in roller drying device 1 the direction of motion formation adverse current hot blast；Process conditions are: stem conveying flow velocity 2.5m/min, sheet and shreds conveying flow velocity 3.0m/min, tobacco shred conveying flow velocity 10m/min, flight temperature 140 DEG C, circulating air temperature 120 DEG C, wind speed 3m/s, drum rotation speed 9r/min, cylinder slope 2 °, the moisture content controlling dried each material is kept at 12.5%；Enter into all kinds of tobaccos in roller drying device 1 under the stirring action of flight 14, and certain drum rotation speed, cylinder slope, flight temperature, circulating air comprehensive function under carry out mixing and drying, and constantly move forward, naturally fall to entering drawing mechanism 10 at roller drying device 1 end, be then fed into subsequent processing。
By above-mentioned technological operation, result shows, the fluctuation of dried moisture content of cut tobacco is 0.32%, and cut tobacco mixing uniformity is 89.64%, and this two classes cigarette brand sensory quality assessment must be divided into 91.5 points。
Two same class cigarette brands, in cut tobacco formula, the ratio of tobacco shred, sheet and shreds and stem is 1:0.08:0.12, stem, sheet and shreds and cut tobacco after shredding, its moisture content respectively 32%, 19% and 21%。Traditionally technology for making tobacco threds processing: tobacco shred and sheet and shreds and stem are in cut tobacco drying process grouping Processing, and namely tobacco shred and sheet and shreds carry out cylinder thin plate after mixing and dry, and stem carries out pneumatic conveying drying, then carries out mixing compounding conjunction mixing allotment of labor's sequence by cut tobacco formula。Result shows: moisture content of cut tobacco fluctuation is 0.79%, and cut tobacco mixing uniformity is 68.25%, and sensory quality assessment must be divided into 90.5 points。
By contrasting it is found that compare with tradition technology for making tobacco threds processing, the present invention can be obviously improved course of processing quality stability, improves Nicotiana tabacum L. mixing uniformity, improves Sensory Quality of Cigarette。
Embodiment 2:
Repeat embodiment 1, have following difference: the agent structure of feed arrangement 2 is conveyer belt。Certain three class cigarette brand, in cut tobacco formula, the ratio of tobacco shred, sheet and shreds and stem is 1:0.3:0.2, stem, sheet and shreds and cut tobacco after shredding, and its moisture content respectively 33.5%, 20% and 22%, the apparent velocity of pneumatic carrier 31 is 15m/s。Result shows: dried moisture content of cut tobacco fluctuation is 0.48%, and cut tobacco mixing uniformity is 87.83%, and this three classes cigarette brand sensory quality assessment must be divided into 88.5 points。
Three same class cigarette brands, in cut tobacco formula, the ratio of tobacco shred, sheet and shreds and stem is 1:0.3:0.2, stem, sheet and shreds and cut tobacco after shredding, its moisture content respectively 33.5%, 20% and 22%。Traditionally technology for making tobacco threds processing: tobacco shred and sheet and shreds and stem are in cut tobacco drying process grouping Processing, and namely tobacco shred and sheet and shreds carry out cylinder thin plate after mixing and dry, and stem carries out pneumatic conveying drying, then carries out mixing compounding conjunction mixing allotment of labor's sequence by cut tobacco formula。Result shows: dried moisture content of cut tobacco fluctuation is 1.26%, and cut tobacco mixing uniformity is 60.71%, and this three classes cigarette brand sensory quality assessment must be divided into 86.0 points。
By contrasting it is found that compare with tradition technology for making tobacco threds processing, the present invention can be obviously improved course of processing quality stability, improves Nicotiana tabacum L. mixing uniformity, improves Sensory Quality of Cigarette。
Claims (10)
1. a tobacco combination drying method, it is characterized in that: different tobaccos is introduced drum-type drying equipment respectively, by regulating each material blanking position in drum-type drying equipment, control each material time of staying in drum-type drying equipment respectively, and then control the degree of drying of each material；And utilize the rotation of drum-type drying equipment and stirring action that each material is carried out Homogeneous phase mixing。
2. tobacco combination drying method according to claim 1, concrete operations are as follows: stem, sheet and shreds and tobacco shred are introduced drum-type drying equipment respectively, it is first depending on formula for a product design and regulates the additional proportion of every kind of material, then its blanking position in cylinder is regulated according to the original moisture content of each material, the blanking position of the material that moisture content is high is forward, and its time being dried in cylinder is just long；Rearward, its time being dried in cylinder is just short in the blanking position of the material that moisture content is low；Circulating air in cylinder forms adverse current relative to the direction of motion of material；Process conditions are: stem conveying flow velocity 1～5m/min, sheet and shreds conveying flow velocity 2～6m/min, tobacco shred conveying flow velocity 5～10m/min, flight temperature 110～160 DEG C, circulating air temperature 100～140 DEG C, wind speed 1～5m/s, drum rotation speed 7～11r/min, cylinder slope 1～3 °, the moisture content controlling dried each material is kept at 12～14%。
3. tobacco combination drying method according to claim 2, it is characterised in that: the material of moisture content > 24% is first carried out the predrying drum-type drying equipment that is re-introduced into, described predrying dries for air-flowing type。
4. tobacco combination drying method according to claim 3, it is characterised in that: if selecting to carry out predrying to stem, then by predrying for stem be 15%～20% to moisture content, blanking position is arranged on cylinder rear portion, distance discharge end 3～8m。
5. a tobacco combination drying device, it is characterized in that: include combined feed device and roller drying device (1), described combined feed device includes at least two group feed arrangements (2), the charging cover (11) that each group of feed arrangement (2) is each passed through roller drying device (1) front end extends in roller drying device (1), feed arrangement (2) two ends are respectively provided with charging aperture (21) and discharging opening (22), and the discharging opening (22) position in roller drying device (1) can regulate。
6. tobacco combination drying device according to claim 5, it is characterised in that: described combined feed device includes three groups of feed arrangements (2), is stem feed arrangement, sheet and shreds feed arrangement and tobacco shred feed arrangement from top to bottom respectively；The feed end of stem feed arrangement (2) is provided with pre-drying device, and the material blanking tube (32) of pre-drying device is connected with the charging aperture (21) of feed arrangement (2)；The discharging opening of stem feed arrangement is positioned at cylinder rear portion, and the discharging opening of sheet and shreds feed arrangement is positioned in the middle part of cylinder, and the discharging opening of tobacco shred feed arrangement is positioned at cylinder front portion。
7. tobacco combination drying device according to claim 6, it is characterized in that: described pre-drying device is air-flowing type drying device, including gas-solid separating device (3), gas-solid separating device (3) top and the bottom are respectively provided with separation gas outlet (35) and material blanking tube (32), gas-solid separating device (3) by pneumatic carrier (31) respectively with dry-heat air entrance (34) and admittedly expect that entrance (33) connects。
8. the tobacco combination drying device according to claim 5 or 6, it is characterized in that: described feed arrangement (2) is Collapsible structure, the length that feed arrangement (2) extends in roller drying device (1) freely regulates within the scope of 0m～3m。
9. the tobacco combination drying device according to claim 5 or 6, it is characterized in that: described feed arrangement (2) is provided with metering device (23), between the transporting velocity of metering device (23) and feed arrangement (2), realize PID linkage。
10. tobacco combination drying device according to claim 5, it is characterised in that: described roller drying device (1) is provided with inclination-angle regulating device (19)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173293.2A CN105686044A (en) | 2016-03-24 | 2016-03-24 | Tobacco material mixing and drying method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173293.2A CN105686044A (en) | 2016-03-24 | 2016-03-24 | Tobacco material mixing and drying method and device |
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| CN105686044A true CN105686044A (en) | 2016-06-22 |
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| CN201610173293.2A Pending CN105686044A (en) | 2016-03-24 | 2016-03-24 | Tobacco material mixing and drying method and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283326A (en) * | 2017-01-10 | 2018-07-17 | 秦皇岛烟草机械有限责任公司 | A kind of combined type tobacco drying equipment |
| CN109674079A (en) * | 2018-12-28 | 2019-04-26 | 红塔烟草(集团)有限责任公司 | It is a kind of to use roller-air-flow stem drying means |
| CN110720653A (en) * | 2019-11-05 | 2020-01-24 | 福建中烟工业有限责任公司 | Method for controlling moisture content of cut tobacco |
| CN111567844A (en) * | 2020-05-18 | 2020-08-25 | 安徽中烟工业有限责任公司 | Tobacco leaf raw material grouping method in cigarette leaf group formula |
| CN111728252A (en) * | 2020-07-06 | 2020-10-02 | 河南中烟工业有限责任公司 | Control method and system for drying strength of tobacco roller |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108283326A (en) * | 2017-01-10 | 2018-07-17 | 秦皇岛烟草机械有限责任公司 | A kind of combined type tobacco drying equipment |
| CN109674079A (en) * | 2018-12-28 | 2019-04-26 | 红塔烟草(集团)有限责任公司 | It is a kind of to use roller-air-flow stem drying means |
| CN110720653A (en) * | 2019-11-05 | 2020-01-24 | 福建中烟工业有限责任公司 | Method for controlling moisture content of cut tobacco |
| CN111567844A (en) * | 2020-05-18 | 2020-08-25 | 安徽中烟工业有限责任公司 | Tobacco leaf raw material grouping method in cigarette leaf group formula |
| CN111567844B (en) * | 2020-05-18 | 2022-05-31 | 安徽中烟工业有限责任公司 | Tobacco leaf raw material grouping method in cigarette leaf group formula |
| CN111728252A (en) * | 2020-07-06 | 2020-10-02 | 河南中烟工业有限责任公司 | Control method and system for drying strength of tobacco roller |
| CN111728252B (en) * | 2020-07-06 | 2022-04-19 | 河南中烟工业有限责任公司 | Control method and system for drying strength of tobacco roller |
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