CN114376255B - Method for regulating and controlling uniformity of threshing and redrying formula - Google Patents

Method for regulating and controlling uniformity of threshing and redrying formula Download PDF

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CN114376255B
CN114376255B CN202210030468.XA CN202210030468A CN114376255B CN 114376255 B CN114376255 B CN 114376255B CN 202210030468 A CN202210030468 A CN 202210030468A CN 114376255 B CN114376255 B CN 114376255B
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tobacco
feeding
threshing
mixing
box
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CN114376255A (en
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尹旭
孔祥
汪陈俊杰
徐其敏
姚忠达
窦家宇
吴云平
朱焱
李振华
王苏红
吴晓梅
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Huahuan International Tobacco Co ltd
China Tobacco Anhui Industrial Co Ltd
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Huahuan International Tobacco Co ltd
China Tobacco Anhui Industrial Co Ltd
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/08Blending tobacco
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/10Roasting or cooling tobacco

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Abstract

The invention provides a method for regulating and controlling the uniformity of chemical components of a threshing and redrying formula, which comprises the following steps: 1) Filling tobacco leaf raw materials of different types into first tobacco boxes according to set quality, wherein each first tobacco box is filled with only tobacco leaf raw materials of a unique type; 2) According to the production condition, paving leaves to form a blending proportion scheme; 3) According to the mixing proportion scheme, manual feeding and mixing are carried out on the mixed wires. The application provides a threshing and redrying uniformity mixing regulation and control method based on mixed wire, automatic box turning and quantitative feeding, which is a feeding mode combining manual mixing and automatic box turning and quantitative feeding, has low labor intensity and low investment cost, and can control the uniformity of the tobacco flake quality to an advanced level and control the nicotine variation coefficient to be about 2.5%.

Description

Method for regulating and controlling uniformity of threshing and redrying formula
Technical Field
The invention relates to the field of tobacco raw material processing, in particular to a method for regulating and controlling uniformity of threshing and redrying formula.
Background
At present, the uniformity of threshing of the formula is generally realized by controlling the operations of key links such as material preparation, leaf laying and handle arrangement, leaf storage and the like in the production process in threshing and redrying.
The mixing of the tobacco leaves of each grade of the formula threshing generally adopts three mixing modes: one is to manually combine all the tobacco leaves in the whole batch by using the leaf spreading bench in the leaf matching process; the other is that the combined blades are continuously mixed in each procedure and the middle storage link after the blade matching procedure; and in addition, an overhead warehouse logistics system is used for realizing statistical analysis of tobacco quality information in a warehouse in the storage She Beiliao and leaf laying processes, and a threshing and redrying mixing cabinet is combined and designed to form a formula queue to realize material mixing regulation.
In recent years, wu and the like research that the combination of an independent formula unit and an LED electronic display screen improves the feeding accuracy. The Shomming gift and the like are combined with the effective utilization of the storage cabinet through the optimized management of the leaf laying table, so that the variation coefficient of the nicotine content of the finished tobacco flakes is reduced to 6.09%. Shuai Zhijun and the like invent a box formula process technology of a tobacco threshing and redrying production line to improve the uniformity of finished tobacco flakes. Xiaoli and the like, the invention discloses a method for flexibly and uniformly blending materials in a storage cabinet, which can meet the technological requirements of flexibly adjusting and uniformly blending multi-component and multi-proportion formulas of the materials and meet the requirements of production on uniformity and precision of blending the materials. Yang Kai and the like invent a threshing and redrying product uniformity system regulating and controlling method based on chemical components, so that the average value of the nicotine content variation coefficient of the finished tobacco flakes can be controlled below 4 percent. Wang Hui and the like invent a method for regulating and controlling the uniformity of the tobacco formulation based on informatization and automatic control of an overhead warehouse system, and further improve the uniformity of the tobacco quality.
The researches are carried out according to the production area, grade and year according to a certain proportion, the uniformity is improved by improving the control precision of the feeding, but the result is still dependent on the uniformity degree of the raw materials, and the limitations of the passivity and the regulating capability exist; some of the formulations are carried out according to chemical components, but the formulations lack initiative, so that the controllability is limited, or the initiative formulation has strong capability and low automation degree, and the dependence on people is large, and the controllability is not strong; some of the materials are fed according to the formula according to chemical components by using an overhead warehouse logistics system, so that the automation degree is high, but the investment and operation cost is high.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method for controlling uniformity of threshing and redrying formulation, which is used for solving the problems in the prior art.
To achieve the above and other related objects, the present invention is achieved by the following technical means.
The invention provides a method for regulating and controlling the uniformity of chemical components of a threshing and redrying formula, which comprises the following steps:
1) Filling tobacco leaf raw materials of different types into first tobacco boxes according to set quality, wherein each first tobacco box is filled with only tobacco leaf raw materials of a unique type;
2) According to the production condition, paving leaves to form a blending proportion scheme;
3) According to the mixing proportion scheme, manually feeding and mixing are carried out on the mixed wiring;
4) Filling the mixed raw tobacco leaves into a second smoke box according to the set quality; detecting the chemical component content of each box of tobacco after mixing on line, and dividing the tobacco into three categories of high, medium and low according to the chemical component content of each box of tobacco; if the mass of the category with high chemical component content is M1, the mass of the category with low chemical component content is M2, and the mass of the category with low chemical component content is M3, M2 is more than M1, M2 is more than M3, and M1+M3 is more than or equal to M2;
5) Forming a threshing and feeding mixed formula according to the mass proportion of the high, medium and low categories, the number of the automatic box-turning feeding channels and the feeding capacity of the quantitative feeding device;
6) Preparing materials according to a threshing and feeding mixing formula, and mixing the materials through a formula cabinet after feeding.
Preferably, the chemical component is nicotine, sugar or nitrogen in tobacco leaves.
Preferably, the first smoke box is attached with a label of the category to which the tobacco raw material belongs.
Preferably, the different types of tobacco raw materials are classified according to the origin, grade or chemical component content of the tobacco raw materials.
Preferably, the production conditions comprise formula requirements, tobacco raw material respective proportions and the number of mixing line stations.
Preferably, the chemical component content of each box of tobacco leaves after on-line detection and blending adopts label identification on the corresponding tobacco box.
Preferably, each of said automatic box-turning feed channels feeds only one type of tobacco raw material when forming the threshing mix.
Preferably, when forming the threshing and feeding mix, different said automatic box-turning feeding channels may feed the same type of tobacco raw material.
Preferably, when forming the threshing and feeding mixed formula, if the set total flow of threshing and feeding is m, the flow of the nth automatic box-turning feeding channel is m n N is 1, 2, 3, …, i; i is the total number of automatic box turning feeding channels; then:
Figure BDA0003466208500000021
Figure BDA0003466208500000022
Figure BDA0003466208500000023
Figure BDA0003466208500000024
wherein,,
w1 is the percentage of the mass of the category with high chemical component content in the total mass of the threshing and feeding mixture;
w2 is the percentage of the mass of the category in the chemical component content in the total mass of the threshing and feeding mixture;
w3 is the percentage of the mass of the category with low chemical component content in the total mass of the threshing and feeding mixture;
m is the total mass of threshing and feeding.
Preferably, the feeding adopts a smoke box loading machine; and/or after feeding, the materials are sequentially conveyed to a turning frame feeding channel selection controller, a turning rotary table, a box turning feeder and a quantitative feeder through conveying tracks and then fed into a formula cabinet.
The beneficial effects of the above technical scheme are:
the application provides a threshing and redrying uniformity mixing regulation and control method based on mixed wire, automatic box turning and quantitative feeding, which is a feeding mode combining manual mixing and automatic box turning and quantitative feeding, has low labor intensity and low investment cost, and can control the uniformity of the tobacco flake quality to an advanced level and control the nicotine variation coefficient to be about 2.5%.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
It should be understood that the process equipment or devices not specifically identified in the examples below are all conventional in the art.
Furthermore, it is to be understood that the reference to one or more method steps in this disclosure does not exclude the presence of other method steps before or after the combination step or the insertion of other method steps between these explicitly mentioned steps, unless otherwise indicated; it should also be understood that the combined connection between one or more devices/means mentioned in the present invention does not exclude that other devices/means may also be present before and after the combined device/means or that other devices/means may also be interposed between these two explicitly mentioned devices/means, unless otherwise indicated. Moreover, unless otherwise indicated, the numbering of the method steps is merely a convenient tool for identifying the method steps and is not intended to limit the order of arrangement of the method steps or to limit the scope of the invention in which the invention may be practiced, as such changes or modifications in their relative relationships may be regarded as within the scope of the invention without substantial modification to the technical matter.
The embodiment of the application provides a method for regulating and controlling the uniformity of chemical components of a threshing and redrying formula, which comprises the following steps:
1) Filling tobacco leaf raw materials of different types into first tobacco boxes according to set quality, wherein each first tobacco box is filled with only tobacco leaf raw materials of a unique type;
2) According to the production condition, paving leaves to form a blending proportion scheme;
3) According to the mixing proportion scheme, manually feeding and mixing are carried out on the mixed wiring;
4) Filling the mixed raw tobacco leaves into a second smoke box according to the set quality; detecting the chemical component content of each box of tobacco after mixing on line, and dividing the tobacco into three categories of high, medium and low according to the chemical component content of each box of tobacco; if the mass of the category with high chemical component content is M1, the mass of the category with low chemical component content is M2, and the mass of the category with low chemical component content is M3, M2 is more than M1, M2 is more than M3, and M1+M3 is more than or equal to M2;
5) Forming a threshing and feeding mixed formula according to the mass proportion of the high, medium and low categories, the number of the automatic box-turning feeding channels and the feeding capacity of the quantitative feeding device;
6) Preparing materials according to a threshing and feeding mixing formula, and mixing the materials through a formula cabinet after feeding.
In a specific embodiment, the set mass in the present application is generally 300 to 300kg.
In a specific embodiment, the chemical component is nicotine, sugar or nitrogen in tobacco leaves.
In a specific embodiment, the first smoke box is attached with a label of the category to which the tobacco material belongs.
In a specific embodiment, the different types of tobacco raw materials are classified according to the origin, grade or chemical content of the tobacco raw materials.
In a specific embodiment, the production conditions include formulation requirements, ratios of each type of tobacco raw material, and the number of mix stations.
In a specific embodiment, the chemical component content of each box of tobacco leaves after on-line detection and blending adopts a label mark on the corresponding smoke box.
In a specific embodiment, each of the automatic box-turning feed channels feeds only one type of tobacco material when forming the threshing mix.
In a specific embodiment, different of the automatic box-turning feed channels may feed the same type of tobacco material when forming the threshing feed mix.
In a specific embodiment, when forming the threshing and feeding compound formula, if the set total flow of the threshing and feeding is m, the flow of the nth automatic box-turning feeding channel is m n N is 1, 2, 3, …, i; i is the total number of automatic box turning feeding channels; then:
Figure BDA0003466208500000041
Figure BDA0003466208500000042
Figure BDA0003466208500000043
Figure BDA0003466208500000044
wherein,,
w1 is the percentage of the mass of the category with high chemical component content in the total mass of the threshing and feeding mixture;
w2 is the percentage of the mass of the category in the chemical component content in the total mass of the threshing and feeding mixture;
w3 is the percentage of the mass of the category with low chemical component content in the total mass of the threshing and feeding mixture;
m is the total mass of threshing and feeding.
In a specific embodiment, the feeding adopts a smoke box loading machine.
In a specific embodiment, after feeding, the materials are sequentially conveyed to a turning frame feeding channel selection controller, a turning rotary table, a box turning feeder and a quantitative feeder through a conveying track and then fed into a formula cabinet.
The embodiment of the application also provides a specific mixing method, which comprises the following main steps in sequence: tobacco raw material inspection, classification, loading into a first smoke box, forming a mixing and proportioning scheme, mixing by a mixing line, loading into a second smoke box and online detection, classification according to chemical component content, warehousing and zoning stacking, forming a threshing and feeding mixing formula and mixing by a formula cabinet. More specifically, the method comprises the steps of forming a threshing and feeding mixed formula, and further comprises the steps of putting a second smoke box on a frame, carrying out rail transportation, automatically turning the box, feeding, mixing in a formula cabinet, threshing and redrying.
Example 1
The embodiment provides a method for realizing uniformity of threshing and redrying formula by adopting the technical scheme, which is specifically as follows.
With the aim of regulating and controlling the uniformity of nicotine, a certain formula of a certain enterprise consists of A, B, C, D tobacco leaves with grades which are divided according to the grades of tobacco leaf raw materials, and the total of the grades is 321675kg, and the concrete formula is shown in table 1.
Table 1 scale of the formulation
Grade Case number (case) Weight (kg) Formulation ratio (%)
A 230 90069 28.00%
B 331 129796 40.35%
C 215 84375 26.23%
D 44 17435 5.42%
Totalizing 821 321675 100.00%
1. The compounding and proportioning scheme is planned according to the number of each grade of raw materials and the position of the compounding line, and is shown in table 2.
Table 2 grade ratio of each stage of the mixed wiring
Figure BDA0003466208500000051
Figure BDA0003466208500000061
2. The materials are mixed according to a mixing proportion scheme through a mixing wire, the nicotine content of each box of tobacco after mixing is detected by an on-line near infrared spectrum analyzer, and the three grades of a (high), b (medium) and c (low) are classified according to the high, medium and low nicotine content, as shown in table 3.
TABLE 3 number of tobacco leaves of each grade after sorting
Grade Case number (case) Quality (kg)
a (high) 234 92050
b (middle) 304 118610
c (Low) 283 111015
As shown in table 1: m1=92050kg, m2=118610 kg, m3=111015 kg;
then: m=m1+m2+m3= 321675kg
W1=28.62% W2=36.87% W3=34.51%
3. Planning a threshing and feeding mixed formula:
designing the total flow of the materials: m= 12000.00kg/h
Automatic box turning feeding channel: i=4
Respectively calculating the flow rate of each feeding channel: m1=m×w1= 3433.90kg/h
m2=m4=0.5×m×W2=2212.36kg/h
m3=m×W3=4141.38kg/h
Table 4 threshing and feeding ratios
Figure BDA0003466208500000062
Figure BDA0003466208500000071
4. Feeding according to a threshing feeding proportioning scheme:
setting flow 3433.90kg/h and feeding grade a of a 1# automatic box turning feeding channel;
setting flow 3433.90kg/h for the automatic box turning feeding channels of No. 2 and No. 4, wherein the feeding grade is b;
the flow rate of the 3# automatic box turning feeding channel is 4141.38kg/h, and the feeding grade is c.
5. The materials are conveyed to a formula cabinet for mixing through a summarizing belt.
And (3) sampling and detecting the nicotine content of the finished tobacco flakes according to the proportion of 2% after threshing and redrying, and calculating the coefficient of variation CV=2.25%.
According to the technical scheme, based on the requirements of the tobacco module formula, the mixing wires are utilized to realize the matching and feeding of different types of tobacco, and then the online detection equipment is utilized to detect the chemical components of each box of tobacco after sorting in real time, and the high, medium and low different types are classified according to the content of the chemical components of the tobacco; and (3) different automatic box-turning feeding channels are utilized in the threshing and feeding process, the quantitative feeding machine realizes the matching and feeding of tobacco leaves of different types, and the tobacco leaves are uniformly mixed by using a formula cabinet.
Besides small variation coefficient and effective regulation uniformity, compared with the prior art, the technical scheme of the method has the advantage of cost, and compared with the method for carrying out material feeding and mixing by utilizing an overhead warehouse Gao Jia warehouse logistics system, the construction and maintenance cost of the overhead warehouse logistics system can be saved (the construction cost of the overhead warehouse logistics system with 4000 tons of designed warehouse capacity is generally about 9000 ten thousand yuan); compared with manual leaf spreading and feeding, the scheme utilizes rail transportation, automatic box turning and quantitative feeding in the leaf spreading and feeding link, has higher automation degree, small dependence on people and strong controllability, and can save 144 leaf spreading workers (calculated according to 3 shifts per day and 48 leaves per shift She Gong).
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (6)

1. A method for regulating and controlling uniformity of chemical components of threshing and redrying formula is characterized by comprising the following steps:
1) Filling tobacco leaf raw materials of different types into first tobacco boxes according to set quality, wherein each first tobacco box is filled with only tobacco leaf raw materials of a unique type; the tobacco leaf raw materials of different types are divided according to the production place, grade or chemical component content of the tobacco leaf raw materials;
2) According to the production condition, the tobacco leaves are paved in a matching way to form a mixing and proportioning scheme, wherein the production condition comprises formula requirements, various proportions of tobacco leaf raw materials and the number of mixing line stations;
3) According to the mixing proportion scheme, manually feeding and mixing are carried out on the mixed wiring;
4) Filling the mixed tobacco leaf raw materials into a second tobacco box according to the set quality; detecting the chemical component content of each box of tobacco after mixing on line, and dividing the tobacco into three categories of high, medium and low according to the chemical component content of each box of tobacco; if the mass of the category with high chemical component content is M1, the mass of the category with low chemical component content is M2, and the mass of the category with low chemical component content is M3, M2 is more than M1, M2 is more than M3, and M1+M3 is more than or equal to M2; the chemical components are nicotine, sugar or nitrogen in tobacco leaves;
5) Forming a threshing and feeding mixed formula according to the mass proportion of the high, medium and low categories, the number of the automatic box-turning feeding channels and the feeding capacity of the quantitative feeding device;
6) Preparing materials according to a threshing and feeding mixing formula, and mixing the materials through a formula cabinet after feeding;
when forming the threshing and feeding mixed formula, if the set total flow of threshing and feeding is m, the flow of the nth automatic box-turning feeding channel is m n N is 1, 2, 3, …, i; i is the total number of automatic box turning feeding channels; then:
m=
Figure QLYQS_1
=m×(W1+W2+W3)
W1=
Figure QLYQS_2
×100%
W2=
Figure QLYQS_3
×100%
W3=
Figure QLYQS_4
×100%
wherein,,
w1 is the percentage of the mass of the category with high chemical component content in the total mass of the threshing and feeding mixture;
w2 is the percentage of the mass of the category in the chemical component content in the total mass of the threshing and feeding mixture;
w3 is the percentage of the mass of the category with low chemical component content in the total mass of the threshing and feeding mixture;
m is the total mass of threshing and feeding.
2. The method of claim 1, wherein the first smoke box has a label affixed thereto for the category of tobacco material.
3. The method of claim 1, wherein the chemical component content of each box of tobacco leaves after blending is detected on line and marked on the corresponding box of tobacco.
4. The method of claim 1 wherein each of said automatic box-turning feed channels feeds only one type of tobacco material in forming a threshing and dosing formula.
5. The method of claim 1 wherein different of said automatic box-turning feed channels feed the same type of tobacco material in forming the threshing mix.
6. The method of claim 1, wherein the loading is by a smoke box loading machine.
CN202210030468.XA 2022-01-12 2022-01-12 Method for regulating and controlling uniformity of threshing and redrying formula Active CN114376255B (en)

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CN116098306A (en) * 2022-09-09 2023-05-12 湖南烟叶复烤有限公司永州复烤厂 Multi-grade homogenizing processing method for tobacco leaves

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CN103653227B (en) * 2013-12-27 2015-09-02 福建武夷烟叶有限公司 A kind of beating and double roasting tobacco leaf homogenizes processing technology
CN104432474B (en) * 2014-11-26 2016-08-24 华环国际烟草有限公司 A kind of regulate and control tobacco formulation uniformity method
CN106418635B (en) * 2015-08-12 2018-08-31 福建武夷烟叶有限公司 Reduce the equipment and technique of the beating and double roasting nicotine coefficient of variation
CN110921274B (en) * 2019-12-05 2021-09-10 北京紫东科技有限公司 Redrying full-automatic digital feeding method and system
CN113662230B (en) * 2021-08-25 2023-02-21 红云红河烟草(集团)有限责任公司 Uniform feeding control method for redrying production

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