CN115956697A - Perfuming uniformity control method in cigarette cut tobacco processing process - Google Patents

Perfuming uniformity control method in cigarette cut tobacco processing process Download PDF

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CN115956697A
CN115956697A CN202211540347.6A CN202211540347A CN115956697A CN 115956697 A CN115956697 A CN 115956697A CN 202211540347 A CN202211540347 A CN 202211540347A CN 115956697 A CN115956697 A CN 115956697A
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flavoring
weight
perfuming
moisture
coefficient
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张清
袁正文
周培清
任淑本
初晓燕
杨洋
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Hongta Tobacco Group Co Ltd
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Hongta Tobacco Group Co Ltd
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Abstract

The invention provides a method for controlling perfuming uniformity in the cigarette shred manufacturing process, which is applied to a perfuming process, and divides the perfuming control into a first-stage perfuming and a second-stage perfuming: first-stage perfuming is carried out by establishing a first-stage strong correlation relationship between the total weight of three threads fed into the cabinet in each batch and the weight before perfuming to obtain a conversion coefficient, calculating first-stage perfuming proportion setting according to the conversion coefficient and the batch perfume weight, and carrying out first-stage perfuming; the first-stage flavoring production is continued until a flavoring outlet collects the moisture at the flavoring outlet of the batch, the conversion coefficient is optimized according to the total weight of the three-shred cabinet, the moisture of the pure shred material, the moisture of the cut stem material, the moisture of the expanded shred material, the pre-mixing shred storage time and the moisture at the flavoring outlet, and then the two-stage flavoring is carried out according to the optimized conversion coefficient; the method of the invention adopts the precise control of two segments to the perfuming system, thus improving the control precision of the instantaneous perfuming proportion and effectively improving the perfuming uniformity while ensuring the perfuming uniformity.

Description

Perfuming uniformity control method in cigarette cut tobacco processing process
Technical Field
The invention belongs to the field of tobacco shred processing, and particularly relates to a method for controlling flavoring uniformity in a cigarette shred processing process based on big data.
Background
In the cigarette cut tobacco processing process, the weight of the applied spice is obtained according to the batch number before the flavoring production, and the spice is required to be uniformly added into the batch of cut tobacco. The existing perfuming proportion setting is mainly controlled according to the percentage of the batch perfume weight of each brand divided by the theoretical weight of a perfuming inlet, the perfuming inlet weight of a stable batch produced actually is statistically analyzed manually, and a reference perfuming proportion is given for controlling. The method for maintaining the flavoring proportion is complex in work, if the flavoring proportion set value is not maintained timely, batch flavoring weight deviation is high easily, batch flavoring is not uniform, and intellectualization and accuracy of silk making processing control cannot be effectively reflected.
Taking 7 batches of cigarettes of the same brand produced by a factory as an example, batch flavoring refers to applying the same weight of perfume to each batch of leaf group formula of the same brand and specification, and the average value of all indexes of the 7 batches is counted as follows:
Figure BDA0003977228290000011
according to the existing method, before the 8 th batch is produced in the perfuming process, the estimated 8 th batch of information is as follows:
Figure BDA0003977228290000012
Figure BDA0003977228290000021
because the information is estimated according to the previous 7 batches, and is usually different from the actual value in quantity, when the estimated value is smaller than the actual value, the spice is remained after the production is finished; when the predicted value is greater than the actual value, the fragrance is insufficient. In order to prevent the two situations, operators can continuously adjust the perfuming proportion in the later stage of production, and the adjustment range can reach more than +/-0.05 percent, so that the conditions of poor perfuming precision, large batch perfuming weight deviation, nonuniform batch perfuming and the like are caused.
Disclosure of Invention
Aiming at the defects of the technology, the invention aims to provide a method for controlling the flavoring uniformity in the cigarette cut tobacco processing process, and the method reduces the fluctuation of the instantaneous precision of the system while ensuring the flavoring uniformity by adopting two-stage staged precise control on a flavoring system, thereby reducing the error of the whole system and avoiding the phenomenon of batch-to-batch unevenness.
The invention relates to a method for controlling perfuming uniformity in the cigarette cut tobacco processing process, which sequentially comprises the following steps: storing leaves, drying in a roller, blending three filaments in proportion, pre-preparing filaments, storing the filaments, vibrating and screening, quantitatively feeding, perfuming and storing the filaments; in the three-shred proportional blending process, the tobacco materials from three lines of 'stem line', 'roller leaf silk line' and 'expansion line' are weighed, the sum of the weights of the three lines is the sum of the weights of the three shreds, and the three shreds are blended and mixed in proportion from the corresponding process standard of an MES system according to the specification and the brand of a production worker; the pre-blending cut tobacco storage procedure is to pre-blend cut tobacco, expanded cut tobacco and cut stem and then store the cut tobacco, the method is applied to the perfuming procedure, and the perfuming control is divided into a first stage perfuming and a second stage perfuming:
one-stage flavoring is realized by establishing a first-stage strong correlation between the total weight of three threads fed into the cabinet in each batch and the weight before flavoring to obtain a conversion coefficient, wherein the conversion coefficient is an average value of = (the weight before flavoring in each batch ÷ the weight of three threads fed into the premixing cabinet),
calculating a first-stage flavoring proportion according to the conversion coefficient and the batch perfume weight, and performing first-stage flavoring, wherein the first-stage flavoring proportion = batch perfume weight ÷ (three-silk cabinet weight x conversion coefficient) x100%;
the first-stage flavoring production is continued until a flavoring outlet collects the moisture of the flavoring outlet of the batch, the conversion coefficient is optimized according to the total weight of the three-shred cabinet inlet, the moisture of the pure shred material, the moisture of the stem shred material, the moisture of the expanded shred material, the pre-mixing shred storage time and the moisture of the flavoring outlet, and then the two-stage flavoring is carried out according to the optimization conversion coefficient;
the two-stage perfuming ratio = (batch perfume weight-applied sugar perfume weight) ÷ (weight of three threads before entering the premix bin x optimization coefficient-weight of cut tobacco to which perfume has been applied) x100%.
The method of the invention adopts the precise control of two-section type to the flavoring system, which reduces the fluctuation of the instantaneous precision of the system while ensuring the flavoring uniformity, thereby reducing the error of the whole system and avoiding the phenomenon of uneven batch. The method utilizes the thinking of combining batch perfuming with proportional perfuming to control, and increases short-time error control and accumulative error compensation, thereby improving the control precision of the instantaneous perfuming proportion and effectively improving the perfuming uniformity.
Preferably, the optimization reduced coefficient is obtained as follows: collecting the moisture of a perfuming outlet at a perfuming outlet, and calculating the weight of the perfuming inlet according to the moisture of the perfuming outlet and the relationship between the moisture of the perfuming outlet and the weight of the perfuming inlet in a plurality of previous batches;
calculating the optimal reduction factor = perfuming inlet weight ÷ three filament weight × 100% from the re-estimated perfuming inlet weight;
and then calculating an optimizing conversion coefficient according to the optimal conversion coefficient: the optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
Preferably, the optimization reduced coefficient is obtained as follows: collecting the weight after flavoring and the moisture at a flavoring outlet, and calculating the weight of a flavoring inlet according to the weight after flavoring and the moisture at the flavoring outlet;
calculating the optimal reduction factor = perfumed inlet weight ÷ three filament weight × 100% from the re-estimated moistened leaf perfumed inlet weight;
and calculating the optimal conversion coefficient according to the optimal conversion coefficient: the optimization reduction coefficient = the optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
Preferably, the optimization reduced coefficient is obtained as follows: obtaining a regression equation through regression analysis according to data such as the weight of three shreds, the moisture of pure shred materials, the moisture of stem shred materials, the moisture of expanded shred materials, the pre-mixing shred storage time and the moisture of flavoring outlets in the prior batch:
the weight of the added flavor inlet = A + B × the weight of the three shreds + C1 × the moisture of the pure shred material + C2 × the moisture of the cut stem material-C3 × the moisture of the expanded shred material + D × the moisture of the added flavor outlet + E × the time of premixed shred storage;
wherein: a is a basis weight constant, B is a three-shred weight coefficient, C1 is a pure shred material moisture correlation coefficient, C2 is a stem shred material moisture correlation coefficient, C3 is an expanded shred material moisture correlation coefficient, D is an aromatized outlet moisture correlation coefficient, and E is a pre-mixed shred storage time correlation coefficient. The constant or the coefficient has correlation with brands, production time and production environment, is a coefficient obtained by regression analysis of a plurality of batches of historical data, and is a constant term;
calculating the optimal conversion factor = perfumed inlet weight ÷ three filament weight × 100%;
the optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
Preferably, after the second-stage perfuming production, the optimization conversion coefficient is calculated and corrected according to a preset period.
More preferably, the preset period is 15 seconds per interval.
Preferably, the weight of the batch of spice is read from the corresponding process standard of the MES system according to the specification and the mark of the production order when the production order is produced.
Preferably, production data are collected at intervals of a preset time (15 seconds), and the cumulative increment of the flavoring inlet materials, the cumulative increment of flavoring, the instant flavoring proportion and the flavoring precision at each time interval are calculated.
More preferably, a change in perfuming accuracy exceeding 0.5% is judged as abnormal. The abnormal perfuming precision refers to the perfuming precision in batches.
More preferably, the perfuming precision abnormity is pushed through APP, so that relevant personnel can analyze and improve in time, fill the reason of abnormity in the system, and take corrective precaution.
Compared with the prior art, the perfuming method has the following advantages:
1. pre-mixing the three shreds by arranging pre-prepared cut tobacco before flavoring, which is not only beneficial to uniformly mixing the three shreds (leaf shreds, expanded shreds and stem shreds), but also beneficial to improving the control of flavoring uniformity;
2. the average moisture, the moisture of pure silk materials, the moisture of cut stem materials, the moisture of expanded silk materials and the weight of three silks entering a cabinet of a perfuming outlet are collected by an MES system in the production process, and meanwhile, the strong correlation among the data is used as basic big data, so that the system can realize perfuming in two sections, not only can batch automatic control be realized, but also the perfuming control precision of silk manufacturing processing is improved, the fluctuation of the instantaneous precision of the system is reduced, the error of the whole system is reduced, and the phenomenon of uneven perfuming among batches is avoided.
3. After the perfuming precision abnormity and APP pushing are increased, related personnel can analyze and improve the abnormity in the system in time and take corrective precautionary measures.
Drawings
FIG. 1 is a schematic view of a process according to the present invention
FIG. 2 is a diagram of a method for controlling perfuming uniformity in a cigarette shred manufacturing process
FIG. 3 is another schematic flow chart of the processing technology related to the present invention
FIG. 4 is a diagram of another perfuming uniformity control method in the cigarette shred manufacturing process
Detailed Description
For clearly describing the method for controlling the perfuming uniformity in the cigarette shred manufacturing process, the method is further described in detail with reference to the attached drawings.
As shown in fig. 1 and 2, the perfuming uniformity control method in the cigarette cut tobacco processing process of the invention sequentially comprises the following steps: storing leaves, drying by a roller, blending three filaments according to a proportion, pre-preparing filaments, storing the filaments, vibrating and screening, quantitatively feeding, perfuming and storing the filaments; in the three-shred proportion blending process, the weight of tobacco materials from three lines of a 'stem line', 'roller leaf silk line' and 'expansion line' is respectively weighed, the sum of the weights of the three lines is the sum of the weights of the three shreds, and the three shreds are blended and mixed in proportion from a corresponding process standard of an MES system according to a production work single product specification and a brand; the pre-preparing and shred storing process includes pre-mixing shredded tobacco leaves, expanded shreds and shredded stems and storing shredded tobacco.
A moisture meter is arranged at the position where the cut tobacco line roller is dried and discharged from the cabinet, and the moisture of the material is detected and collected in real time to obtain the moisture at the cut tobacco drying outlet; a moisture meter is arranged at the position where the cut stems are discharged from the cabinet, and the moisture of the material is detected and collected in real time to obtain the discharged moisture of the cut stems; and a moisture meter is arranged at the position where the expansion wires are discharged from the cabinet, and the moisture of the material is detected and collected in real time to obtain the moisture of the expansion wires discharged from the cabinet.
The weight of the batch of perfume to be applied is read from the corresponding process standard of the MES system according to the specification and the mark of the production order when the production order is produced.
The total weight of the three shreds is = the weight of the stem line material, the weight of the expansion line material and the weight of the drum leaf shred line material.
The method is applied to the perfuming process, and the perfuming control is divided into primary perfuming and secondary perfuming.
One-stage perfuming obtains a conversion coefficient by establishing a first-stage strong correlation relationship between the total weight of the three filaments before each batch enters a premixing cabinet and the weight before each batch is perfumed, wherein the conversion coefficient is an average value of = (the weight of an inlet for each batch is divided by the total weight of the three filaments before each batch enters the premixing cabinet),
calculating a first-stage flavoring proportion according to the conversion coefficient and the batch perfume weight, and performing first-stage flavoring, wherein the first-stage flavoring proportion = batch perfume weight ÷ (three-silk cabinet weight x conversion coefficient) x100%;
the first-stage flavoring production is continued until a flavoring outlet collects the moisture of the flavoring outlet of the batch, the conversion coefficient is optimized according to the total weight of the three cut tobacco, the moisture of the pure cut tobacco material, the moisture of the cut stem tobacco material, the moisture of the expanded cut tobacco material, the pre-mixing cut tobacco storage time and the moisture of the flavoring outlet, and then the second-stage flavoring is carried out according to the optimization conversion coefficient;
the method for optimizing the calculation coefficient comprises the following steps: when only the perfuming outlet moisture is collected at the perfuming outlet, the estimation of the weight of the perfuming inlet is adjusted according to the change of the perfuming outlet moisture and the relation between the perfuming outlet moisture of a plurality of previous batches and the total weight of the three threads, and the conversion coefficient is recalculated to be used as the optimal conversion coefficient according to the estimated weight of the perfuming inlet.
When a perfuming outlet weight acquisition device is arranged at a perfuming outlet as shown in fig. 1, the method for optimizing the calculation coefficient can also be as follows: and (4) reversely deducing the weight of the flavoring inlet according to the moisture at the flavoring outlet and the weight at the flavoring outlet, and recalculating the conversion coefficient as the optimal conversion coefficient.
Optimal conversion factor = perfumed inlet weight ÷ total three-filament weight × 100%;
further calculating an optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2;
and after obtaining the optimization conversion coefficient, performing second-stage perfuming, wherein the second-stage perfuming is to calculate a second-stage perfuming proportion according to the optimization conversion coefficient, the weight of batch of spices, the weight of the applied sugar fragrance, the total weight of the three threads before entering a premixing cabinet and the weight of the tobacco leaves applied with spices, and perform perfuming control:
the proportion of second-stage flavoring = (batch perfume weight-applied sugar perfume weight) ÷ (total weight of three shreds before entering the premix bin x optimization conversion factor-weight of cut tobacco to which perfume has been applied) x100%.
In both stages, the weight of the applied flavor, and the weight of the tobacco leaves to which the flavor has been applied, are recorded.
The method adopts two-section type precise control on the flavoring system, so that the fluctuation of the instantaneous precision of the system is reduced while the flavoring uniformity is ensured, thereby reducing the error of the whole system and avoiding the phenomenon of batch-to-batch unevenness.
As shown in fig. 3 and 4, the perfuming uniformity control method in the cigarette cut tobacco processing process of the invention sequentially comprises the following steps: storing leaves, drying by a roller, blending three filaments according to a proportion, pre-preparing filaments, storing the filaments, vibrating and screening, quantitatively feeding, perfuming and storing the filaments; in the three-shred proportional blending process, the tobacco materials from three lines of 'stem line', 'roller leaf silk line' and 'expansion line' are weighed, the sum of the weights of the three lines is the sum of the weights of the three shreds, and the three shreds are blended and mixed in proportion from the corresponding process standard of an MES system according to the specification and the brand of a production worker; the pre-preparing cut tobacco storing process includes pre-mixing cut tobacco leaves, expanded cut tobacco and cut stem before storing cut tobacco.
A moisture meter is arranged at the position where the cut tobacco line roller is dried and discharged from the cabinet, and the moisture of the material is detected and collected in real time to obtain the moisture at the cut tobacco drying outlet; a moisture meter is arranged at the position where the cut stems are discharged from the cabinet, and the moisture of the material is detected and collected in real time to obtain the discharged moisture of the cut stems; and a moisture meter is arranged at the position where the expansion wires are discharged from the cabinet, and the moisture of the materials is detected and collected in real time to obtain the moisture of the expansion wires discharged from the cabinet.
The weight of the batch of perfume to be applied is read from the corresponding process standard of the MES system according to the product specification and the brand of the production work order when the next production work order is produced.
The total weight of the three shreds is = the weight of the stem line material, the weight of the expansion line material and the weight of the drum leaf shred line material.
The method is applied to the perfuming process, and the perfuming control is divided into primary perfuming and secondary perfuming.
The historical data of Hongta mountain (Soft classic 1956) with the same specification and brand produced in a period of time is taken as an example for further explanation.
Historical data table
Figure BDA0003977228290000071
When perfuming one session, the reduction factor = perfuming inlet weight ÷ three filament weight × 100% =12044.42 ÷ 12101.91 × 100% =99.52% calculated as the average value of the historical data.
Calculating a first-stage perfuming proportion according to the conversion coefficient and the batch perfume weight, and performing first-stage perfuming, wherein the first-stage perfuming proportion is = the batch perfume weight ÷ (the total weight of the three-wire cabinet, multiplied by the conversion coefficient) multiplied by 100%;
(No proportion of perfume in one batch, weight of perfume in batch, suggested data are given in the historical data table.)
Batch perfume weight: when the production worksheet is produced, the weight of the batch of spices corresponding to the process standard can be read from the MES system according to the specification and the mark of the production worksheet.
The first-stage flavoring proportion is as follows: calculated according to the above data and formula. Such as: the standard lot perfume weight of hatashan (classic 1956) is 41.732, one stage perfuming ratio =41.732 ÷ (12101.91 × 99.52%) × 100% =0.346%.
Optimizing the calculation coefficient: obtaining a regression equation through regression analysis according to the data such as the total weight of the three shreds, the moisture of the pure shred materials, the moisture of the stem shred materials, the moisture of the expanded shred materials, the moisture of the flavoring outlet materials, the pre-mixing shred storage time and the like:
the weight of the flavoring inlet = A + B × the weight of the three shreds + C1 × the moisture of the pure shred material + C2 × the moisture of the stem shred material-C3 × the moisture of the expanded shred material + D × the moisture of the flavoring outlet + E × the time of pre-mixing and storing the shreds;
wherein: a is a basis weight constant, B is a three-shred weight coefficient, C1 is a pure shred material moisture correlation coefficient, C2 is a stem shred material moisture correlation coefficient, C3 is an expanded shred material moisture correlation coefficient, D is a perfuming outlet moisture correlation coefficient, and E is a premixed shred storage time correlation coefficient. The above constant or coefficient has a correlation with brand, production time, and production environment, is a coefficient obtained by regression analysis of a plurality of batches of historical data, and is a constant term such as: perfuming inlet weight = 1670.945 × 12000+9 × 13.2+91.9 × 13.0-196 × 13.3+17 × 12.8+3.71 × 4=11949.14; in this equation: a =1670b =0.945c1=9c2=91.9c3=196d =17e =3.71.
A number of data for batch 18 were also collected in real time as the batch production continued through the perfuming outlet until perfuming outlet moisture was collected for the batch:
Figure BDA0003977228290000081
based on the re-estimated perfuming inlet weight = 1670.945 × 12000+9 × 13.2+91.9 × 13.0-196 × 13.3+17 × 12.8+3.71 × 4=11949.14;
calculating the optimal conversion coefficient and the optimizing conversion coefficient by using the re-estimated weight of the feeding inlet as follows:
optimum reduction factor = perfumed inlet weight ÷ total three-filament weight × 100% =11949.14 ÷ 12000 × 100% =99.58%;
the optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2=99.58+ (99.58-99.52) ÷ 2=99.61%;
and after the optimization conversion coefficient is obtained, performing second-stage flavoring, wherein the second-stage flavoring is performed by calculating a second-stage flavoring proportion according to the optimization conversion coefficient, the weight of batch spices, the weight of sugar aroma, the total weight of the three threads before entering the premixing cabinet and the weight of tobacco leaves with spices, and performing flavoring control.
The weight of the applied flavour, the weight of the tobacco leaves to which the flavour has been applied, is recorded for both flavours.
Figure BDA0003977228290000091
Preferably, after the second-stage perfuming production, the optimization conversion coefficient is calculated and corrected according to a preset period, wherein the preset period is 15 seconds every interval, production data are collected every other preset time (15 seconds), the perfuming inlet material accumulated increment, the perfuming accumulated increment, the instantaneous perfuming proportion and the perfuming precision in each time interval are calculated, and if the perfuming precision variation exceeds 0.5%, the judgment is abnormal. The abnormal perfuming precision refers to the within-batch perfuming precision.
The weight of each batch of spices in the flavoring procedure in the cigarette shred manufacturing process is determined according to the single specification and the brand of a manufacturing worker, and in order to be uniformly applied from the stub bar to the tail, the weight of a flavoring inlet needs to be accurately estimated so as to more accurately calculate a flavoring proportion set value for flavoring production.
Because the hygroscopicity of the cut tobacco is strong, after the three cut tobacco enters the pre-preparation cabinet, the moisture of the three cut tobacco is influenced by the moisture (the moisture of a pure cut tobacco material, the moisture of a stem cut tobacco material and the moisture of an expanded cut tobacco material) before the three cut tobacco is mixed, the storage environment temperature and humidity, the storage time is different, the moisture change of the cut tobacco is different, the weight of the cut tobacco is different from the total weight of the three cut tobacco entering the cabinet when the cut tobacco is taken out of the cabinet, and the difference is unknown.
As can be seen from figures 1 and 3, the materials are sieved before perfuming, the tobacco powder with the size less than 1.0mm is sieved and treated as waste materials, the sieved materials are not weighed, the sieving amount is unknown, the crushing degree of different batches caused by the difference of moisture and the like is different, and the amount of the sieved waste materials is also different.
From the points, the total weight of three threads entering the cabinet before the perfuming is started is known, but the weight of the perfuming inlet is unknown due to the subsequent processes, and can only be estimated through historical batch data.
The method divides the perfuming control into first-stage perfuming and second-stage perfuming, and essentially adjusts the weight of a perfuming inlet for many times, thereby improving the perfuming uniformity.

Claims (10)

1. A method for controlling the perfuming uniformity in the cigarette cut tobacco processing process is characterized in that the cigarette cut tobacco processing process sequentially comprises the following steps: storing leaves, drying by a roller, blending three filaments according to a proportion, pre-preparing filaments, storing the filaments, vibrating and screening, quantitatively feeding, perfuming and storing the filaments; in the three-shred proportion blending process, the weight of tobacco materials from three lines of a 'stem line', 'roller leaf silk line' and 'expansion line' is respectively weighed, the sum of the weights of the three lines is the sum of the weights of the three shreds, and the three shreds are blended and mixed in proportion from a corresponding process standard of an MES system according to a production work single product specification and a brand; the pre-blending cut tobacco storage procedure is to pre-blend cut tobacco, expanded cut tobacco and cut stem and then store the cut tobacco, the method is applied to the flavoring procedure, and the flavoring control is divided into one-stage flavoring and two-stage flavoring:
one stage of perfuming is to obtain a conversion coefficient by establishing a first-level strong correlation relationship between the total weight of three threads in each batch in a cabinet and the weight before perfuming, wherein the conversion coefficient is an average value of = (the weight before perfuming in each batch ÷ the weight of three threads before entering a premixing cabinet),
calculating a first-stage flavoring proportion according to the conversion coefficient and the batch perfume weight, and performing first-stage flavoring, wherein the first-stage flavoring proportion = batch perfume weight ÷ (three-silk cabinet weight x conversion coefficient) x100%;
the first-stage flavoring production is continued until a flavoring outlet collects the moisture of the flavoring outlet of the batch, the conversion coefficient is optimized according to the total weight of the three-shred cabinet inlet, the moisture of the pure shred material, the moisture of the stem shred material, the moisture of the expanded shred material, the pre-mixing shred storage time and the moisture of the flavoring outlet, and then the two-stage flavoring is carried out according to the optimization conversion coefficient;
the two-stage perfuming ratio = (batch perfume weight-applied sugar perfume weight) ÷ (weight of three threads before entering the premix bin x optimization coefficient-weight of cut tobacco to which perfume has been applied) x100%.
2. The method for controlling the flavoring uniformity in the cigarette throwing process according to claim 1, wherein after the second stage of flavoring production, the optimization conversion coefficient is calculated and corrected according to a preset period.
3. The method for controlling flavoring uniformity during cigarette making process according to claim 2, wherein the predetermined period is 15 seconds at intervals.
4. The method for controlling the flavoring uniformity in the cigarette throwing process according to claim 1, wherein the weight of the batch of the spices is read from the corresponding process standard of the MES system according to the specification and the brand of the production worksheet when the production worksheet is started.
5. The method for controlling the flavoring uniformity in the cigarette throwing process according to claim 1, wherein the production data is collected at a preset time interval, and the material accumulative increment of the flavoring inlet, the flavoring accumulative increment, the instantaneous flavoring proportion and the flavoring precision in each time interval are calculated.
6. The method for controlling the flavoring uniformity in the cigarette throwing process according to claim 5, wherein the change of the flavoring accuracy is more than 0.5%, and the determination is abnormal. The abnormal perfuming precision refers to the within-batch perfuming precision.
7. The method for controlling the flavoring uniformity in the cigarette primary processing process according to claim 6, wherein the flavoring accuracy abnormality is pushed by APP for relevant personnel to analyze, improve and fill in the system in time to take corrective and preventive measures.
8. The method for controlling the flavoring uniformity in the cigarette throwing process according to any one of claims 1 to 7, wherein the optimization reduced coefficient is obtained as follows: collecting the moisture of a perfuming outlet at a perfuming outlet, and calculating the weight of the perfuming inlet according to the moisture of the perfuming outlet and the relationship between the moisture of the perfuming outlet and the weight of the perfuming inlet in a plurality of previous batches;
calculating the optimal reduction factor = perfumed inlet weight ÷ three filament weight × 100% from the re-estimated perfumed inlet weight;
and then calculating an optimizing conversion coefficient according to the optimal conversion coefficient: the optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
9. The method for controlling the flavoring uniformity in the cigarette throwing process according to any one of claims 1 to 7, wherein the optimization reduced coefficient is obtained as follows: collecting the weight after flavoring and the moisture at a flavoring outlet, and calculating the weight of a flavoring inlet according to the weight after flavoring and the moisture at the flavoring outlet;
calculating the optimal reduction factor = perfumed inlet weight ÷ three filament weight × 100% from the re-estimated moistened leaf perfumed inlet weight;
and when the optimal conversion coefficient is calculated according to the optimal conversion coefficient: the optimization reduction coefficient = optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
10. The method for controlling the flavoring uniformity in the cigarette throwing process according to any one of claims 1 to 7, wherein the optimization reduced coefficient is obtained as follows: obtaining a regression equation through regression analysis according to data such as the weight of three shreds, the moisture of pure shred materials, the moisture of stem shred materials, the moisture of expanded shred materials, the pre-mixing shred storage time and the moisture of flavoring outlets in the prior batch:
the weight of the added flavor inlet = A + B × the weight of the three shreds + C1 × the moisture of the pure shred material + C2 × the moisture of the cut stem material-C3 × the moisture of the expanded shred material + D × the moisture of the added flavor outlet + E × the time of premixed shred storage;
wherein: a is a basis weight constant, B is a three-shred weight coefficient, C1 is a pure-shred material moisture correlation coefficient, C2 is a cut stem material moisture correlation coefficient, C3 is an expanded-shred material moisture correlation coefficient, D is an aromatizing outlet moisture correlation coefficient, E is a premixed-shred storage time correlation coefficient, the constant or the coefficient has correlation with brands, production time and production environments, is a coefficient obtained by regression analysis of a plurality of batches of historical data, and is a constant item;
calculating the optimal conversion factor = perfumed inlet weight ÷ three filament weight × 100%;
the optimization reduction coefficient = the optimal reduction coefficient + (optimal reduction coefficient-reduction coefficient) ÷ 2.
CN202211540347.6A 2022-12-02 2022-12-02 Perfuming uniformity control method in cigarette cut tobacco processing process Pending CN115956697A (en)

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