CN109813646A - A method of prediction Cigarette Draw Resistance - Google Patents
A method of prediction Cigarette Draw Resistance Download PDFInfo
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- CN109813646A CN109813646A CN201910218063.7A CN201910218063A CN109813646A CN 109813646 A CN109813646 A CN 109813646A CN 201910218063 A CN201910218063 A CN 201910218063A CN 109813646 A CN109813646 A CN 109813646A
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Abstract
The present invention relates to a kind of methods for predicting Cigarette Draw Resistance, including obtaining cigarette raw and auxiliary material characteristic and Cigarettesize data, the resistance to suction that cigarette closes suction is obtained, cigarette filter ventilation rate is obtained, the resistance to suction and cigarette for calculating cigarette-opening suction close the difference between the resistance to suction of suction, calculate Cigarette Draw Resistance.According to the detection method and technological principle of Cigarette Draw Resistance and ventilation rate, in conjunction with a large amount of different brands different size cigarette, establish the prediction model of each index Yu cigarette raw and auxiliary material characteristic, to rationally design cigarette structure, providing foundation according to property of raw material selection cigarette material, control releasing content of coke tar etc., the predictability of product design is realized.The internal relation between cigarette physical index and raw and auxiliary material is disclosed simultaneously, when cigarette physical index when something goes wrong, can point the direction according to the clear questions and prospect of model for quality improvement in actual production, the blindness in production is avoided, cigarette interior quality is constantly promoted.
Description
Technical field
The present invention relates to technical field of cigarette processing, particularly relate to a kind of method for predicting Cigarette Draw Resistance.
Background technique
Cigarette physical index is direct reflection cigarette quality, and the cigarette physics that should be controlled during production of cigarettes is special
Property, it mainly include weight, circumference, length, ventilation, resistance to suction and hardness.Compared to weight, circumference, length index, Cigarette Draw Resistance is to disappear
Expense person in smoking most can the cigarette characteristic that arrives of direct feeling, if the too small flue gas of resistance to suction can tend to be flat, resistance to suction is excessive to be caused
Extraction difficult, resistance to suction index directly affect physical quality and the aesthetic quality of cigarette, and designing improper can cause consumer not
It is full, therefore the relationship of cigarette items physical index and raw and auxiliary material is studied, realize the look-ahead of Cigarette Draw Resistance to design one
Qualified cigarette is of great significance.
The prior art needs to detect the infiltration coefficient of pipe tobacco section and filter segment when predicting Cigarette Draw Resistance, for general cigarette
Implement relative difficulty for manufacturing enterprise, and needs to produce the measurement that just can be carried out relevant parameter after pipe tobacco and filter stick, for
There are certain hysteresis qualitys for Cigarette design.The method of some other prediction Cigarette Draw Resistance, which only return to single cigarette brand, builds
Mould, when Cigarettesize and raw and auxiliary material characteristic change, there are certain limitations for the model scope of application.
Summary of the invention
The object of the present invention is to provide a kind of methods for predicting Cigarette Draw Resistance, to solve the prior art to the pre- of Cigarette Draw Resistance
It surveys because the measurement of relevant parameter is difficult, relative to Cigarette design, there are certain hysteresis qualitys, avoid the blindness of Cigarette design
Problem.
The present invention is achieved by the following technical solutions:
A method of prediction Cigarette Draw Resistance, comprising the following steps:
1) cigarette raw and auxiliary material characteristic and Cigarettesize data are obtained；
2) the resistance to suction cpd that cigarette closes suction is obtained, is calculated as follows:
Wherein,
ρ1Indicate tobacco density in cigarette, unit g/cm3；Tc indicates finished product tobacco fill value, unit cm3/g；l1Indicate that no mouth cigarette is long
Degree, unit mm；R indicates that finished product tobacco fill value reduces ratio；D indicates cigarette diameter, unit mm；Lbpd indicates 4 double-length filter sticks
Pressure drop, unit Pa；
3) cigarette filter ventilation rate fv is obtained, is calculated as follows:
Fv=(- 43.9+1.55 × l2-197.3×ρ2+0.53×l1+ 0.01 × st × d) × j, wherein l2Indicate filter stick
Length, unit mm；ρ2Indicate filter stick density, unit g/cm3；l1Indicate no mouth cigarette length, unit mm；St indicates that cork paper is saturating
Manner, unit cu；J is indicator variable, when air permeability of tipping paper is 0, j=0, and when air permeability of tipping paper is not 0, j=1；
4) resistance to suction and cigarette for calculating cigarette-opening suction close the difference e r between the resistance to suction of suction, are calculated as follows:
Wherein, l indicates cigarette length, unit
mm；Fv indicates cigarette filter ventilation rate；D indicates cigarette diameter, unit mm；J is indicator variable, when air permeability of tipping paper is 0,
J=0, when air permeability of tipping paper is not 0, j=1；
5) Cigarette Draw Resistance pd is calculated, is calculated as follows:
Pd=cpd-er.
Prediction Cigarette Draw Resistance value is compared with practical Cigarette Draw Resistance value, and is judged, if prediction Cigarette Draw Resistance value and reality
The difference of border Cigarette Draw Resistance value is that prediction result is accurate within the set range；If predicting Cigarette Draw Resistance value and practical Cigarette Draw Resistance value
Difference not within the set range, for pre- geodesic structure inaccuracy, prediction is re-started after modifying to relevant parameter and is calculated.
The cigarette raw and auxiliary material characteristic and Cigarettesize data include finished cut tobacco Filling power, filtering rod, cigarette paper
Air permeability, tipping paper air permeability, cigarette length, cigarette circumference and filter lengths.
The finished cut tobacco Filling power is with the cigarette brand Filling power of close tobacco leaf formulation and identical tobacco processing equipment
Empirical value.
When the cork paper does not punch, its air permeability is set as 0, filter ventilation rates 0.
The beneficial effects of the present invention are:
The technical program is according to the detection method and technological principle of Cigarette Draw Resistance and ventilation rate, not in conjunction with a large amount of different brands
Same specification cigarette establishes the prediction model of each index Yu cigarette raw and auxiliary material characteristic, to rationally design cigarette structure, according to raw material
Characteristic selects cigarette material, control releasing content of coke tar etc. to provide foundation, realizes the predictability of product design.
The internal relation between cigarette physical index and raw and auxiliary material is disclosed simultaneously, when cigarette physical index in actual production
When something goes wrong, it can be pointed the direction according to the clear questions and prospect of model for quality improvement, avoid the blindness in production, no
It is disconnected to promote cigarette interior quality.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
The technical program provides a kind of method for predicting Cigarette Draw Resistance, comprising the following steps:
1) acquisition cigarette raw and auxiliary material characteristic and Cigarettesize, including finished cut tobacco Filling power, filtering rod, cigarette paper are saturating
Manner, tipping paper air permeability, cigarette length, cigarette circumference, filter lengths, filter stick weight, wherein finished cut tobacco Filling power is with phase
The cigarette brand Filling power of nearly tobacco leaf formulation and identical tobacco processing equipment is empirical value；Make when establishing prediction model following false
If: when cork paper does not punch, it is believed that its air permeability is approximately 0, filter ventilation rates 0.
2) the resistance to suction cpd (Cigarette Draw Resistance that closing filter segment measures) that cigarette closes suction is calculated, volume unit Pa: is calculated as follows
Cigarette closes suction:
In formula, ρ1Indicate tobacco density in cigarette, unit g/cm3；Tc indicates finished product tobacco fill value, unit cm3/g；l1
Indicate no mouth cigarette length, unit mm；R indicates that finished product tobacco fill value reduces ratio；D indicates cigarette diameter, unit mm；lbpd
Indicate 4 double-length filter stick pressure drops, unit Pa.
3) it calculates cigarette filter ventilation rate fv: cigarette filter ventilation rate is calculated as follows:
Fv=(- 43.9+1.55 × l2-197.3×ρ2+0.53×l1+0.01×st×d)×j
L in formula2Indicate filter lengths, unit mm；ρ2Indicate filter stick density, unit g/cm3；l1Indicate no mouth cigarette length,
Unit mm；St indicates air permeability of tipping paper, unit cu；J is indicator variable, the j=when cork paper does not punch (air permeability approximation 0)
0, when air permeability of tipping paper is not 0, j=1.
4) resistance to suction and cigarette for calculating cigarette-opening suction close the difference e r between the resistance to suction of suction, unit Pa: cigarette-opening, which is inhaled, is
It is measured in the underlying open cigarette filter section that measurement cigarette closes suction, therefore open suction to have with the difference for closing suction with filter ventilation rates
It closes, predicts its difference with filter ventilation rates:
In formula: l indicates cigarette length, unit mm；Fv indicates cigarette filter ventilation rate；D indicates cigarette diameter, unit mm；j
For indicator variable, the j=0 when cork paper does not punch, when air permeability of tipping paper is not 0, j=1.
5) it calculates Cigarette Draw Resistance: Cigarette Draw Resistance is calculated as follows:
Pd=cpd-er
In formula: pd indicates Cigarette Draw Resistance, unit Pa；Cpd indicates that cigarette closes the resistance to suction of suction, unit Pa；Er indicates cigarette-opening
The resistance to suction and cigarette of suction close the difference between the resistance to suction of suction, unit Pa.
Embodiment 1
Certain brand cigarette part index number design standard and raw and auxiliary material characteristic are as shown in table 1:
1 cigarette index Design standard of table and raw and auxiliary material characteristic
(1) resistance to suction (Cigarette Draw Resistance that closing filter segment measures) that cigarette closes suction is calculated:
(2) it calculates cigarette filter ventilation rate: cigarette filter ventilation rate is calculated as follows:
Fv=(- 43.9+1.55 × l2-197.3×ρ2+0.53×l1+0.01×st×d)×j
=-43.9+1.55 × 30-197.3 × 0.16+0.53 × 54
+ 0.01 × 280 × 7.72=22.8%
(3) resistance to suction and cigarette for calculating cigarette-opening suction close the difference between the resistance to suction of suction:
(4) it calculates Cigarette Draw Resistance: Cigarette Draw Resistance is calculated as follows:
Pd=cpd-er=1210.6-176.6=1034Pa
Prediction result and measured result are compared, as shown in the table:
The actual measurement of table 2 and prediction result contrast table
| Index | Actual measurement | Prediction | Relative error % |
| Resistance to suction Pa | 1044 | 1034 | 0.96 |
From table 2 it can be seen that the present invention can according to Cigarette design index and related raw and auxiliary material specification to Cigarette Draw Resistance into
The preferable prediction of row.
Embodiment 2
Further to verify prediction effect of the invention, choose different size trade mark cigarette and predicted, and with practical survey
Amount result compares, as a result as follows:
3 Cigarette design index of table and raw and auxiliary material characteristic
4 prediction result of table and measured result contrast table
Can be seen that resistance to suction worst error by the prediction result to different brands different size cigarette physical index is
84Pa, mean absolute error 33Pa, average relative error 2.68%, prediction result is ideal.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention is by appended claims and its equivalent limits.
Claims (5)
1. a kind of method for predicting Cigarette Draw Resistance, which comprises the following steps:
1) cigarette raw and auxiliary material characteristic and Cigarettesize data are obtained；
2) the resistance to suction cpd that cigarette closes suction is obtained, is calculated as follows:
Wherein, ρ1Table
Show tobacco density in cigarette, unit g/cm3；Tc indicates finished product tobacco fill value, unit cm3/g；l1Indicate no mouth cigarette length,
Unit mm；R indicates that finished product tobacco fill value reduces ratio；D indicates cigarette diameter, unit mm；Lbpd indicates 4 double-length filter stick pressures
Drop, unit Pa；
3) cigarette filter ventilation rate fv is obtained, is calculated as follows:
Fv=(- 43.9+1.55 × l2-197.3×ρ2+0.53×l1+ 0.01 × st × d) × j, wherein l2Indicate filter lengths,
Unit mm；ρ2Indicate filter stick density, unit g/cm3；l1Indicate no mouth cigarette length, unit mm；St indicates air permeability of tipping paper,
Unit cu；J is indicator variable, when air permeability of tipping paper is 0, j=0, and when air permeability of tipping paper is not 0, j=1；
4) resistance to suction and cigarette for calculating cigarette-opening suction close the difference e r between the resistance to suction of suction, are calculated as follows:
Wherein, l indicates cigarette length, unit mm；fv
Indicate cigarette filter ventilation rate；D indicates cigarette diameter, unit mm；J is indicator variable, when air permeability of tipping paper is 0, j=0,
When air permeability of tipping paper is not 0, j=1；
5) Cigarette Draw Resistance pd is calculated, is calculated as follows:
Pd=cpd-er.
2. the method for prediction Cigarette Draw Resistance according to claim 1, which is characterized in that by prediction Cigarette Draw Resistance value and reality
Cigarette Draw Resistance value is compared, and is judged, if the difference of prediction Cigarette Draw Resistance value and practical Cigarette Draw Resistance value within the set range, is
Prediction result is accurate；If predicting the difference of Cigarette Draw Resistance value and practical Cigarette Draw Resistance value not within the set range, not for pre- geodesic structure
Accurately, prediction is re-started after modifying to relevant parameter to calculate.
3. it is according to claim 1 prediction Cigarette Draw Resistance method, which is characterized in that the cigarette raw and auxiliary material characteristic and
Cigarettesize data include finished cut tobacco Filling power, filtering rod, air permeance for cigarette paper, tipping paper air permeability, cigarette length, volume
Cigarette circumference and filter lengths.
4. the method for prediction Cigarette Draw Resistance according to claim 3, which is characterized in that the finished cut tobacco Filling power is with phase
The cigarette brand Filling power of nearly tobacco leaf formulation and identical tobacco processing equipment is empirical value.
5. the method for prediction Cigarette Draw Resistance according to claim 1, which is characterized in that when the cork paper does not punch, if
Its fixed air permeability is 0, filter ventilation rates 0.
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| CN110333177A (en) * | 2019-08-09 | 2019-10-15 | 中国烟草总公司郑州烟草研究院 | A kind of cigarette segmentation resistance to suction lossless quick method of determination and evaluation stable based on air permeance for cigarette paper |
| CN110361293A (en) * | 2019-08-20 | 2019-10-22 | 中国烟草总公司郑州烟草研究院 | A kind of non-destructive testing Cigarette segmentation resistance to suction method |
| CN111289422A (en) * | 2020-04-07 | 2020-06-16 | 山东仁丰特种材料股份有限公司 | Prediction method for air permeability of filter paper |
| CN111612427A (en) * | 2020-05-25 | 2020-09-01 | 青岛海大新星软件咨询有限公司 | Cigarette suction resistance intelligent control system based on deep learning and control method thereof |
| CN112528494A (en) * | 2020-12-10 | 2021-03-19 | 云南中烟再造烟叶有限责任公司 | Establishment method for predicting paper filter stick suction resistance model |
| CN113837367A (en) * | 2021-09-24 | 2021-12-24 | 浙江中烟工业有限责任公司 | Cigarette suction resistance online prediction method of wrapping machine based on probabilistic neural network |
| CN115060637A (en) * | 2022-06-20 | 2022-09-16 | 安徽中烟工业有限责任公司 | Method for predicting suction resistance of multi-element filter stick cigarette product |
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| CN111289422B (en) * | 2020-04-07 | 2021-09-14 | 山东仁丰特种材料股份有限公司 | Prediction method for air permeability of filter paper |
| CN111289422A (en) * | 2020-04-07 | 2020-06-16 | 山东仁丰特种材料股份有限公司 | Prediction method for air permeability of filter paper |
| CN111612427A (en) * | 2020-05-25 | 2020-09-01 | 青岛海大新星软件咨询有限公司 | Cigarette suction resistance intelligent control system based on deep learning and control method thereof |
| CN111612427B (en) * | 2020-05-25 | 2023-07-11 | 青岛海大新星软件咨询有限公司 | Deep learning-based intelligent control system for cigarette suction resistance and control method thereof |
| CN112528494A (en) * | 2020-12-10 | 2021-03-19 | 云南中烟再造烟叶有限责任公司 | Establishment method for predicting paper filter stick suction resistance model |
| CN112528494B (en) * | 2020-12-10 | 2022-10-11 | 云南中烟再造烟叶有限责任公司 | Method for establishing model for predicting paper filter stick suction resistance |
| CN113837367A (en) * | 2021-09-24 | 2021-12-24 | 浙江中烟工业有限责任公司 | Cigarette suction resistance online prediction method of wrapping machine based on probabilistic neural network |
| CN115060637A (en) * | 2022-06-20 | 2022-09-16 | 安徽中烟工业有限责任公司 | Method for predicting suction resistance of multi-element filter stick cigarette product |
| CN115060637B (en) * | 2022-06-20 | 2024-04-30 | 安徽中烟工业有限责任公司 | Method for predicting smoke resistance of multi-element filter stick cigarette product |
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