CN-122020426-A - Threshing and redrying processing benefit pre-judging method of multi-class plastic tobacco raw material leaf group formula module

Abstract

The invention provides a threshing and redrying processing benefit pre-judging method of a multi-class plastic tobacco leaf raw material leaf group formula module, which belongs to the field of tobacco leaf processing, and comprises the steps of detecting a preferred tobacco leaf plasticity characterization index, and preprocessing a detection result to obtain standardized data; the method comprises the steps of determining the weight of each tobacco leaf plasticity characterization index according to standardized data, calculating the comprehensive score of each tobacco leaf according to the weight, judging the plasticity grade of each tobacco leaf in a leaf group formula according to the comprehensive score, grading the plasticity of each tobacco leaf in the leaf group formula to obtain a plasticity grade combination mode of the leaf group formula, determining the plasticity grade of the leaf group formula according to the plasticity grade combination mode, and predicting the threshing and redrying processing benefit of the leaf group formula according to the plasticity grade of the leaf group formula. The threshing and redrying processing can be guided according to the pre-judging result, the processing benefit is reasonably judged before production, and the threshing and redrying parameters are modified in real time so as to obtain higher threshing benefit.

Inventors

• Ge Nizhi
• DU HANG
• LI CHUNSHUN
• YUE CHAO
• Lai Enqi
• YANG FENYU
• Ping Ronghao
• ZHU YIJING
• YANG LIXIAN
• XU QIANG
• DONG JUNMIN
• LI RUIDONG
• ZHANG YUHAI
• LI SUYANG
• HU ZONGYU
• WANG DUANFEI
• SHAO CHANGYING

Assignees

• 云南烟叶复烤有限责任公司

Dates

Publication Date

20260512

Application Date

20260319

Claims (10)

1. 1. The threshing and redrying processing benefit pre-judging method of the multi-class plastic tobacco leaf raw material leaf group formula module is characterized by comprising the following steps of: Detecting the tobacco leaf plasticity characterization index, and preprocessing the detection result to obtain standardized data; determining the weight of each tobacco leaf plasticity characterization index according to the standardized data; calculating the comprehensive score of the tobacco leaves according to the weight, and judging the plasticity grade of the tobacco leaves according to the comprehensive score; the plasticity of various tobacco leaves in the leaf group formula is rated, and a plasticity grade combination mode of the leaf group formula is obtained; determining the plasticity grade of the leaf group formula according to the plasticity grade combination mode; And predicting threshing and redrying processing benefits of the leaf group formula according to the plasticity grade of the leaf group formula.
2. 2. The method of predicting threshing and redrying processing benefits of a multi-class plastic tobacco raw material leaf set recipe module of claim 1, wherein the method of determining the level of plasticity of the leaf set recipe comprises: A. When the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades and the grades are adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 50% as the plasticity grade of the leaf group formula; B. When the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades, and the grades are not adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 60% as the plasticity grade of the leaf group formula; C. When the leaf group formula contains 3 kinds of tobacco leaf raw materials with the plasticity grades, and the grades are adjacent, if the ratio of the tobacco leaf raw material with one plasticity grade is not lower than 50%, and the ratio of the tobacco leaf raw material with the other plasticity grade is not lower than 20%, selecting the plasticity grade with the ratio not lower than 50% as the plasticity grade of the leaf group formula; other ways of determining the leaf group formulation besides the combination of the three plasticity grades ABC include: The method comprises the steps of judging the plasticity of a leaf group formula from the two aspects of guaranteeing the uniformity of processing quality and the integrity of the formula module, firstly determining the plasticity of the formula module according to the tobacco leaf raw materials with the lowest plasticity grade in the tobacco leaf raw materials with the proportion of not less than 5% in the leaf group formula from the aspect of guaranteeing the integrity of the leaf group formula, and secondly determining the plasticity of the leaf group formula according to the main tobacco leaf raw materials with the large proportion in the tobacco leaf raw materials with the single type of plasticity grade or the adjacent two types of tobacco leaf raw materials with the plasticity grade from the aspect of guaranteeing the uniformity of processing quality of the leaf group formula.
3. 3. The method for predicting threshing and redrying processing benefits of a multi-class plastic tobacco raw material leaf set formula module according to claim 1, wherein the preprocessing of the detection result comprises unifying index directions and performing reciprocal processing on reverse indexes.
4. 4. The method for determining the threshing and redrying processing plasticity of a tobacco raw material according to claim 1, wherein the preprocessing of the detection result further comprises a normalization process, and the normalization process comprises an extremely poor normalization; The polar error normalization is to map the detection result to a specified interval [0,1] by linear transformation.
5. 5. The method for predicting threshing and redrying processing benefits of a multi-class plastic tobacco raw material leaf set formula module according to claim 1, wherein the weight determining method comprises a first weight determining method and a second weight determining method, and comprehensive weights are calculated according to results of the first weight determining method and the second weight determining method.
6. 6. The method for determining the threshing and redrying processing plasticity of a tobacco raw material as recited in claim 5, wherein said first weight determining method includes: calculating standard deviation of the plasticity characterization indexes of the tobacco leaves; Calculating a correlation coefficient between the plasticity characterization indexes of each tobacco leaf; calculating the conflict among the plasticity characterization indexes of the tobacco leaves; calculating the information quantity among the tobacco leaf plasticity characterization indexes; Enhancing the weight, and highlighting the weight difference of the important indexes; and normalizing the information quantity among the tobacco leaf plasticity characterization indexes to obtain a first weight.
7. 7. The threshing and redrying processing benefit prediction method of the multi-class plastic tobacco raw material leaf group recipe module of claim 5, wherein the second weight determination method comprises: Calculating the proportion of each observed value under each tobacco leaf plasticity characterization index; calculating information entropy according to the specific gravity; Calculating an information utility value according to the information entropy; Enhancing the information utility value, and highlighting the weight difference of important indexes; And calculating a second weight according to the enhanced information utility value.
8. 8. The threshing and redrying processing benefit prediction method of the multi-class plastic tobacco raw material leaf group recipe module of claim 5, wherein the method for calculating the comprehensive weight comprises the following steps: The combination weight is set as follows: to minimize combining weights according to game theory And two basic weights 、 Is the target, the objective function is: and solving the optimal combination coefficients a and b.
9. 9. The method for predicting threshing and redrying processing benefits of a multi-class plastic tobacco raw material leaf group formula module according to claim 1, wherein the classification of the plastic grades of the tobacco raw material threshing and redrying processing is carried out according to the comprehensive score range of all tobacco samples, and the number of the plastic grades is 3-10.
10. 10. The method for predicting threshing and redrying processing benefits of a multi-class plastic tobacco raw material leaf set formula module according to claim 1, wherein when the number of the plastic grades is 5, the method for predicting the threshing and redrying processing benefits of the leaf set formula according to the plastic grade of the leaf set formula comprises: the fraction rate of the leaf group formula with the plasticity level below 2.36mm of the first level is 0.41-0.87%, and the yield of the finished product is 97.2-98.9%; The fraction rate of the leaf group formula of the second grade of the plasticity grade below 2.36mm is 0.15-0.98%, and the yield of the finished product is 97.0-98.5%; The fraction rate of the leaf group formula with the plasticity level below 2.36mm of the leaf group formula with the pre-third level is 0.35-0.97%, and the yield of the finished product is 97.0-99.9%; the fraction rate of the leaf group formula with the plasticity level below 2.36mm of the leaf group formula with the fourth level is 0.60-0.94%, and the yield of the finished product is 96.3-97.7%; The yield of the finished product is 97.5-98.5%, wherein the fraction rate of the plastic grade leaves with the size smaller than 2.36mm of the fifth grade leaves is 0.20-0.50%.

Description

Threshing and redrying processing benefit pre-judging method of multi-class plastic tobacco raw material leaf group formula module Technical Field The invention belongs to the field of tobacco processing, and relates to a threshing and redrying processing benefit pre-judging method of a multi-class plastic tobacco raw material leaf group formula module. Background The threshing and redrying processing benefit refers to the number of finished products which can be obtained by adding the same tobacco raw materials in the threshing and redrying processing process. In the actual production process, the higher the threshing benefit is, the lower the cost for manufacturing cigarettes with the same quantity is, so that the threshing and redrying enterprises are forced to break through the technical bottleneck continuously, the processing benefit is improved, meanwhile, the real-time yield obtained by threshing and redrying can be judged in real time by accurately predicting the processing benefit, and the threshing and redrying parameters are modified in real time, so that the higher threshing benefit is obtained. However, the threshing and redrying processing benefits have a plurality of influencing factors, including the threshing and redrying strength, the nature of the tobacco raw materials and the like, which lead to the fact that the threshing and redrying processing benefits are difficult to predict in the actual production process. One of the key factors is the nature of the tobacco leaf raw material itself, which directly determines what processing intensity should be used in threshing and redrying processing. However, under the trend of forward movement of cigarette formulas, the formula of the cigarette formulas processed by threshing and redrying enterprises often consists of a plurality of single-grade tobacco leaves or even tens of single-grade tobacco leaves, which brings new challenges to the prediction of processing benefits. Therefore, a threshing and redrying processing benefit pre-judging method of the multi-type tobacco raw material combination formula module needs to be researched to judge expected processing benefits which can be obtained when the multi-type tobacco raw material combination formula module is processed. Disclosure of Invention In order to solve the technical problems in the prior art, the invention provides a threshing and redrying processing benefit pre-judging method of a multi-class plastic tobacco raw material leaf group formula module, which solves the problems that in the traditional production process, the processing benefit cannot be mastered in real time, the processing quality condition is judged inaccurately and the like. In order to achieve the technical effects, the invention adopts the following technical scheme: The invention provides a threshing and redrying processing benefit pre-judging method of a multi-class plastic tobacco raw material leaf group formula module, which comprises the following steps: Detecting tobacco plasticity characterization indexes of tobacco leaves, and preprocessing detection results to obtain standardized data; determining the weight of each tobacco leaf plasticity characterization index according to the standardized data; calculating the comprehensive score of the tobacco leaves according to the weight, and judging the plasticity grade of the tobacco leaves according to the comprehensive score; the plasticity of various tobacco leaves in the leaf group formula is rated, and a plasticity grade combination mode of the leaf group formula is obtained; determining the plasticity grade of the leaf group formula according to the plasticity grade combination mode; And predicting threshing and redrying processing benefits of the leaf group formula according to the plasticity grade of the leaf group formula. As a preferred technical solution of the present invention, the method for determining the plasticity level of the leaf packet formula comprises: A. When the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades and the grades are adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 50% as the plasticity grade of the leaf group formula; B. When the leaf group formula contains 2 kinds of tobacco leaf raw materials with plasticity grades, and the grades are not adjacent, selecting the plasticity grade of the tobacco leaf raw materials with the raw material ratio of more than 60% as the plasticity grade of the leaf group formula; C. When the leaf group formula contains 3 kinds of tobacco leaf raw materials with the plasticity grades, and the grades are adjacent, if the ratio of the tobacco leaf raw material with one plasticity grade is not lower than 50%, and the ratio of the tobacco leaf raw material with the other plasticity grade is not lower than 20%, selecting the plasticity grade with the ratio not lower than 50% as the plasticity grade o