CN-117760927-B - Method for predicting ventilation degree of filter tip

CN117760927BCN 117760927 BCN117760927 BCN 117760927BCN-117760927-B

Abstract

The invention discloses a method for predicting ventilation degree of a filter tip, which is a method for obtaining original and auxiliary material characteristics of a target cigarette and cigarette specification data, detecting ventilation coefficient of a filter rod section, and finally obtaining ventilation degree of a pre-punched cigarette filter tip after calculation. According to the method, the dynamic filter ventilation prediction of the pre-punched cigarette products with different specifications under the condition of different lengths can be realized through calculation among cigarette parameters, so that the design of the cigarette products is facilitated, and the blindness of the design of the cigarettes is avoided.

Inventors

CHEN CHUANG
Bao sui
CHEN YAO
LI XUEHUA
LV HUI
TAO YAXIN
XU ZONGBAO
CHENG LEIPING
WANG QINGZE
HU RUI
CHENG TAO
FANG DING
SUN XIAOGANG
WANG HONGWEI

Assignees

安徽中烟工业有限责任公司

Dates

Publication Date: 20260512
Application Date: 20231212

Claims (3)

1. A method for predicting ventilation degree of a filter tip is characterized by comprising the following steps: Step 1, acquiring cigarette specification and original and auxiliary material characteristic data of a target cigarette, wherein the cigarette specification and original and auxiliary material characteristic data comprise a cigarette circumference C, a filter rod length L A of a punching front section, a filter rod length L B of a punching rear section, a length L C of a cut tobacco section covered by tipping paper, a cigarette paper air permeability T, a cigarette paper lap width W, a filter rod length L and a filter rod pressure drop P; Step 2, mounting pre-perforated tipping paper on a finished filter rod, cutting the tipping paper into filter rod sections with the length of L A +L B , and detecting ventilation degree V of the filter rod sections, so as to calculate ventilation coefficient mu of the filter rod sections by using the formula (1): Step 3, respectively calculating a ventilation distribution coefficient alpha, a suction resistance distribution coefficient beta and a calculation constant t of the target cigarette under the condition that only one tobacco shred section length L D of the wrapping part of the cigarette paper is calculated according to the formula (2) -formula (4): In the formula (2-4), pi represents the circumference ratio, gamma and epsilon represent two calculation parameters of ventilation degree distribution, eta and theta represent two calculation parameters of suction resistance distribution, K represents the tobacco shred permeability coefficient, Q represents the air flow of an outlet end in a ventilation degree detection standard; Step 4, calculating according to formula (5) to obtain a predicted value V F of the ventilation degree of the filter tip of the target cigarette under the tobacco segment length L D : 。
2. An electronic device comprising a memory and a processor, wherein the memory is configured to store a program that supports the processor to perform the prediction method of claim 1, the processor being configured to execute the program stored in the memory.
3. A computer readable storage medium having a computer program stored thereon, characterized in that the computer program when run by a processor performs the steps of the prediction method of claim 1.

Description

Method for predicting ventilation degree of filter tip Technical Field The invention relates to the technical field of cigarette processing, in particular to a method for predicting ventilation of filter tips of pre-perforated cigarettes with different lengths. Background The ventilation degree of the filter tip can directly influence the physical quality and the sensory quality of the cigarette, and is directly related to other physical indexes in the cigarette, which is one of the most important physical indexes in the cigarette, so that the realization of the advanced prediction of the ventilation degree of the filter tip has important significance for designing the cigarette. In the prior art, for an online punched cigarette product, the ventilation degree of a filter tip can be adjusted online in real time through the change of punching parameters, the sample can be manufactured according to design requirements, the measurement of relevant parameters can be carried out only after the manufacturing of a pre-punched cigarette is finished, and certain hysteresis exists for the design of the type of cigarette, but the method is not related to the prediction method of the ventilation degree of the filter tip of the type at present, so that the establishment of the prediction method of the ventilation degree of the filter tip is necessary. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a method for predicting the ventilation degree of a filter tip, so that the ventilation degree of the filter tip of the pre-punched cigarette products with different specifications under the condition of different lengths can be predicted through basic detection and calculation among cigarette parameters, thereby facilitating the design of the cigarette products and avoiding blindness of the design of the cigarette. In order to achieve the aim of the invention, the invention adopts the following technical scheme: the invention relates to a method for predicting ventilation degree of a filter tip, which is characterized by comprising the following steps: Step 1, acquiring cigarette specification and original and auxiliary material characteristic data of a target cigarette, wherein the cigarette specification and original and auxiliary material characteristic data comprise a cigarette circumference C, a filter rod length L A of a punching front section, a filter rod length L B of a punching rear section, a length L C of a cut tobacco section covered by tipping paper, a cigarette paper air permeability T, a cigarette paper lap width W, a filter rod length L and a filter rod pressure drop P; Step 2, mounting pre-perforated tipping paper on a finished filter rod, cutting the tipping paper into filter rod sections with the length of L A+LB, and detecting ventilation degree V of the filter rod sections, so as to calculate ventilation coefficient mu of the filter rod sections by using the formula (1): Step 3, respectively calculating a ventilation distribution coefficient alpha, a suction resistance distribution coefficient beta and a calculation constant t of the target cigarette under the condition that only one tobacco shred section length L D of the wrapping part of the cigarette paper is calculated according to the formula (2) -formula (4): In the formula (2-4), pi represents the circumference ratio, gamma and epsilon represent two calculation parameters of ventilation degree distribution, eta and theta represent two calculation parameters of suction resistance distribution, K represents the tobacco shred permeability coefficient, Q represents the air flow of an outlet end in a ventilation degree detection standard; Step 4, calculating according to formula (5) to obtain a predicted value V F of the ventilation degree of the filter tip of the target cigarette under the tobacco segment length L D: The electronic device of the invention comprises a memory and a processor, characterized in that the memory is used for storing a program supporting the processor to execute the prediction method, and the processor is configured to execute the program stored in the memory. The invention relates to a computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, performs the steps of the prediction method. Compared with the prior art, the invention has the beneficial effects that: 1. the invention establishes a predictive relation of the ventilation degree of the filter tip, provides a basis for reasonably designing the cigarette structure, selecting cigarette materials and designing parameters, and realizes the predictability of the design of the ventilation degree of the filter tip of a cigarette product. 2. The prediction method can realize the prediction and design work of the ventilation degree of the filter tip of the pre-punched cigarettes with different cigarette circumferences and structures, an