CN110897186B - Control method of threshing and redrying tobacco strip structure - Google Patents
Control method of threshing and redrying tobacco strip structure Download PDFInfo
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- CN110897186B CN110897186B CN201811089043.6A CN201811089043A CN110897186B CN 110897186 B CN110897186 B CN 110897186B CN 201811089043 A CN201811089043 A CN 201811089043A CN 110897186 B CN110897186 B CN 110897186B
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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 relates to the technical field of cigarettes, in particular to a control method of a threshing redried strip tobacco structure. The invention provides a control method of a threshing and redrying strip tobacco structure, which is known from experimental data, by using various key parameters in the control method, the large strip rate in the strip tobacco structure is less than 36 percent, the large and medium strip rate is more than 80 percent, the stem content in the leaf is less than or equal to 1.3 percent, the precise control of the large strip rate, the medium strip rate and the stem content in the strip tobacco structure is realized, the 2016-version cigarette industrial specification is met, by adopting the control method, the time and the labor are saved, the raw material cost is saved, and the threshing and redrying processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of cigarettes, in particular to a control method of a threshing and redrying tobacco slice structure.
Background
Threshing and redrying are key links of cigarette raw materials, the economic indexes (such as threshing and redrying rate) of the prior threshing and redrying can basically meet the needs of industrial enterprises, but certain gap exists between the quality index (tobacco slice structure) and the needs of the industrial enterprises.
The 2016 specification of cigarette industry makes clear instructions on the structure of the tobacco lamina by threshing and redrying, which stipulates: the large and medium tablet rate is less than 45%, the large and medium tablet rate is more than or equal to 80%, the powder rate is less than 0.5%, and the stem content in the leaves is less than or equal to 1.5%. In recent two years, with the protrusion of fine cigarettes, each industrial enterprise has own individual requirements on the structure of the tobacco lamina. The demands of different industrial enterprises are different, but the overall demand direction is consistent, namely, the large slice rate is reduced, the medium slice rate is increased, and the stem content in leaves is reduced.
In threshing and redrying, two-stage threshing and two-stage redrying are three ring sections which mainly affect the structure of the tobacco strip, the threshing and the leaf separation are four-threshing and ten-thirds, and the threshing and redrying are key steps in the step of separating the tobacco strip, so that the threshing and redrying process is complex and the flow is more, the tobacco strip structure hardly meets the requirements of industrial enterprises, raw material waste is caused, and the threshing and redrying processing efficiency is also seriously affected.
The development of a set of method for accurately controlling the structure of threshing and redrying tobacco leaves has become an urgent problem to be solved in threshing and redrying.
Disclosure of Invention
In view of the above, the present invention provides a method for controlling a threshing and redrying tobacco lamina structure, which can accurately control the tobacco lamina structure to meet the industrial specification, thereby saving the cost of raw materials and time and improving the threshing and redrying processing efficiency.
The specific technical scheme is as follows:
the invention provides a control method of a threshing and redrying strip tobacco structure, which is characterized by comprising the following steps: moistening, separating stems and leaves, and redrying leaves;
the temperature of the second moistening is 55-61 ℃, and the moisture is 17-19.5%;
the stem and leaf separation comprises beating in a first mode and beating in a second mode;
the rotation speed of the primary beating middle beating roller 1 is 545r/min-560r/min, the rotation speed of the beating roller 2 is 535 r/min-550r/min, the rotation speed of the beating roller 3 is 530r/min-545r/min, the rotation speed of the beating roller 4 is 540 r/min-570 r/min, the rotation speed of the beating roller 5 is 500r/min-550r/min, the rotation speed of the beating roller 6 is 500r/min-550r/min, the motor frequency of the air fraction 1 is 44Hz-48Hz, the motor frequency of the air fraction 2 is 42Hz-46Hz, the motor frequency of the air fraction 3 is 42Hz-46Hz, the motor frequency of the air fraction 4 is 40Hz-43Hz, the motor frequency of the air fraction 5 is 40Hz-42Hz, and the motor frequency of the air fraction 6 is 40Hz-42Hz;
the rotating speed of the secondary beating middle beating roller 1 is 500r/min-530r/min, the rotating speed of the beating roller 2 is 500r/min-530r/min, the frequency of the wind-driven generator 1 is 41Hz-45Hz, the frequency of the wind-driven generator 2 is 41Hz-43 Hz, the frequency of the wind-driven generator 3 is 40Hz-43Hz, and the frequency of the wind-driven generator 4 is 40Hz-43Hz;
the frequency of a conveying net belt for redrying the blades is 42Hz-48Hz;
the leaf redrying comprises a drying area, a cooling area and a moisture returning area;
the temperature of the first zone in the drying zone is 60-65 ℃, the temperature of the second zone is 70-78 ℃, the temperature of the third zone is 72-80 ℃, and the temperature of the fourth zone is 62-66 ℃;
the temperature of a cold room in the cooling area is 33-38 ℃;
the temperature of the dampening room in the dampening zone is 62-68 ℃;
the flow of the tobacco leaves in threshing and redrying is 10000kg/h-12000kg/h.
Preferably, the temperature of the second moistening is 58 ℃, and the moisture content is 18.5%;
the rotating speed of the primary beating middle beating roller 1 is 556r/min, the rotating speed of the beating roller 2 is 539r/min, the rotating speed of the beating roller 3 is 536r/min, the frequency of a wind minute 1 motor is 46Hz, the frequency of a wind minute 2 motor is 44Hz, and the frequency of a wind minute 3 motor is 45Hz;
the temperature of the first zone in the drying zone is 63 ℃, and the temperature of the fourth zone is 63.5 ℃;
the temperature of a cold room in the cooling area is 36 ℃;
the temperature of the humid chamber in the moisture return zone is 65 ℃.
It should be noted that the key process parameters affecting the large sheet fraction are: the second moistening temperature, the second moistening water, the frequency of a motor of a beating machine 2, the frequency of a motor of a beating machine 3, the rotating speed of a beating roller 2 and the drying temperature of the four zones.
The key process parameters influencing the medium sheet rate are as follows: the temperature of the first drying zone is the temperature of the second drying zone, the moisture of the second drying zone, the rotation speed of a beating roller 1, the rotation speed of a beating roller 2, the rotation speed of a beating roller 3, the motor frequency of a beating part 1, the motor frequency of a beating part 2, the motor frequency of a second beating part 1, the temperature of a first drying zone and the temperature of a fourth drying zone.
The key process parameters influencing the stem content in the leaves are as follows: the temperature of the second moistening, the moisture of the second moistening, the rotating speed of a beating roller 2, the rotating speed of a beating roller 3, the motor frequency of a beating roller 2, the temperature of a drying first area, the temperature of a drying fourth area, the temperature of a cold area and the temperature of a humid room.
In summary, the secondary moistening temperature, the secondary moistening water content, the primary beating roller 1 rotating speed, the primary beating roller 2 rotating speed, the primary beating roller 3 rotating speed, the primary air division 1 motor frequency, the primary air division 2 motor frequency, the primary air division 3 motor frequency, the primary drying area temperature, the secondary drying area temperature, the cooling room temperature and the humidifying room temperature are key parameters influencing threshing and redrying quality.
Preferably, the rotation speed of the one-beating middle beating roller 4 is 564r/min, the rotation speed of the beating roller 5 is 535r/min, and the rotation speed of the beating roller 6 is 534r/min.
Preferably, the frequency of the motor of the one-hit middle wind branch 4 is 41Hz, the frequency of the motor of the wind branch 5 is 41.5Hz, and the frequency of the motor of the wind branch 6 is 40Hz.
Preferably, the frequency of the motor of the secondary air-jet center air separator 1 is 43Hz, the frequency of the motor of the air separator 2 is 42Hz, the frequency of the motor of the air separator 3 is 41Hz, and the frequency of the motor of the air separator 4 is 40Hz.
Preferably, the temperature in the second zone is 72.5 ℃.
Preferably, the three zone temperature is 72.5 ℃.
Preferably, the flow rate of the tobacco leaves in threshing and redrying is 12000kg/h.
Preferably, the rotating speed of the secondary beating roller 1 is 520r/min.
Preferably, the rotating speed of the secondary beating and centering roller 2 is 520r/min.
The stem and leaf separation also comprises three beating and four beating, wherein the rotating speed of a beating roller 1 in the three beating is 500r/min-560r/min, the rotating speed of a beating roller 2 is 500r/min-560r/min, the motor frequency of a fan 1 is 40Hz-45Hz, and the motor frequency of the fan 2 is 40Hz-45Hz; the rotating speed of the four beating middle beating rollers 1 is 500r/min-560r/min, the rotating speed of the beating rollers 2 is 500r/min-560r/min, the motor frequency of the fan 1 is 40Hz-45Hz, and the motor frequency of the fan 2 is 40Hz-45Hz.
According to the technical scheme, the invention has the following advantages:
the invention provides a control method of a threshing and redrying strip tobacco structure, which is known from experimental data, and by using various key parameters in the control method, the large strip rate in the strip tobacco structure is less than 36%, the large and medium strip rate is more than 80%, the stem content in the tobacco is less than or equal to 1.3%, the precise control of the large strip rate, the medium strip rate and the stem content in the strip tobacco structure is realized, the industrial specification of 2016-version cigarettes is met, and by adopting the control method, the time and the labor are saved, the cost of raw materials is saved, and the threshing and redrying processing efficiency is improved.
Detailed Description
The embodiment of the invention provides a control method of a threshing and redrying strip tobacco structure, which can accurately control the strip tobacco structure to meet industrial specifications, thereby saving raw materials and time cost and improving threshing and redrying processing efficiency.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it should be apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The tobacco lamina structure obtained by threshing and redrying in the Baoshan redrying factory in Henan province of 2017 according to the process parameters in the table 1 is shown in the table 2.
As can be seen from the table 2, in the tobacco sheet structure obtained by threshing and redrying the tobacco leaves by adopting the process parameters in the table 1, the large sheet rate is less than 36 percent, the large and medium sheet rate is more than 80 percent, the stem content in the tobacco leaves is less than or equal to 1.3 percent, and the tobacco sheet structure conforms to the 2016 edition cigarette industry standard.
TABLE 1 threshing and redrying Process parameters
Table 2 example one-piece cigarette texture determination
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A control method of a threshing redried strip tobacco structure is characterized by comprising the following steps: moistening, separating stems and leaves and redrying leaves;
the temperature of the secondary wetting is 58 ℃, and the moisture is 18.5%;
the stem and leaf separation comprises primary beating and secondary beating, wherein the primary beating adopts 6 groups of beating rollers and 6 groups of air separators, and the secondary beating adopts 2 groups of beating rollers and 4 groups of air separators;
the rotation speed of the primary beating roller 1 is 556r/min, the rotation speed of the beating roller 2 is 539r/min, the rotation speed of the beating roller 3 is 536r/min, the rotation speed of the beating roller 4 is 564r/min, the rotation speed of the beating roller 5 is 535r/min, the rotation speed of the beating roller 6 is 534r/min, the motor frequency of the wind score 1 is 46Hz, the motor frequency of the wind score 2 is 44Hz, the motor frequency of the wind score 3 is 45Hz, the motor frequency of the wind score 4 is 41Hz, the motor frequency of the wind score 5 is 41.5Hz, and the motor frequency of the wind score 6 is 40Hz;
the rotating speed of the beating roller 1 in the secondary beating is 520r/min, the rotating speed of the beating roller 2 is 520r/min, the motor frequency of the wind minute 1 is 43Hz, the motor frequency of the wind minute 2 is 42Hz, the motor frequency of the wind minute 3 is 41Hz, and the motor frequency of the wind minute 4 is 40Hz;
the frequency of the conveying net belt for redrying the blades is 42Hz-48Hz;
the leaf redrying comprises a drying area, a cooling area and a moisture returning area;
the temperature of the first zone in the drying zone is 63 ℃, the temperature of the second zone is 70-78 ℃, the temperature of the third zone is 72-80 ℃, and the temperature of the fourth zone is 63.5 ℃;
the temperature of a cold room in the cooling area is 36 ℃;
the temperature of a tidal room in the moisture return area is 65 ℃;
the flow of the tobacco leaves in threshing and redrying is 10000kg/h-12000kg/h.
2. The control method of claim 1, wherein the two-zone temperature is 72.5 ℃.
3. The control method according to claim 1, characterized in that the three-zone temperature is 72.5 ℃.
4. The control method according to claim 1, wherein the flow rate of the tobacco leaves in the threshing and redrying process is 12000kg/h.
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| CN110495630B (en) * | 2019-08-06 | 2022-02-25 | 河南中烟工业有限责任公司 | Treatment method of air-washed tobacco leaves |
| CN111802689A (en) * | 2020-08-12 | 2020-10-23 | 河南中烟工业有限责任公司 | Method for reducing cut stem content of tobacco lamina in threshing and redrying process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106723296A (en) * | 2016-12-16 | 2017-05-31 | 广东中烟工业有限责任公司 | The method that the Turkish tobaccos tobacco leaf of Turkey half goes stalk treatment and redrying processing |
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| JPS6024175A (en) * | 1983-07-21 | 1985-02-06 | 日本たばこ産業株式会社 | Laminar size controller in tobacco treating process |
| WO2015101558A1 (en) * | 2013-12-31 | 2015-07-09 | Philip Morris Products S.A. | Method of treating whole tobacco leaf |
| CN105520186B (en) * | 2016-02-17 | 2017-02-15 | 湖北中烟工业有限责任公司 | Method for optimizing cut tobacco structure by improving structure and shape of threshed and re-dried tobacco leaves |
| CN106174682B (en) * | 2016-08-24 | 2017-07-04 | 红塔烟草(集团)有限责任公司 | 18 scores of wind dispensing units and method for processing tobacco leaf are made with five |
| CN106617251B (en) * | 2017-01-04 | 2017-10-17 | 湖北中烟工业有限责任公司 | A kind of beating and double roasting processing method of raw tobacco material |
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| CN106723296A (en) * | 2016-12-16 | 2017-05-31 | 广东中烟工业有限责任公司 | The method that the Turkish tobaccos tobacco leaf of Turkey half goes stalk treatment and redrying processing |
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