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Cigarette production process stability monitoring method

A technology of production process and stability, applied in the fields of tobacco, cigarette manufacturing, application, etc., can solve problems such as narrow quantification level, and achieve the effect of improving cigarette production and improving product quality stability.

Inactive Publication Date: 2016-06-29
CHINA TOBACCO HENAN IND +1
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] (2) The qualified rate of discrete monitoring data, there is no distinction within the qualified interval;
[0006] (3) Quantification level is narrow

Method used

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  • Cigarette production process stability monitoring method
  • Cigarette production process stability monitoring method
  • Cigarette production process stability monitoring method

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Embodiment Construction

[0027] Such as figure 1 Shown, the cigarette production process stability monitoring method of the present invention, comprises the following steps successively:

[0028] 1. Classify the variables (including control parameters and quality indicators) in the cigarette production process. The classification types include Wangmu control type with tolerance requirements, Wangmu control type without tolerance requirements, extreme value control type and range control type;

[0029] The eye control type includes two types: the eye control type with tolerance requirements and the eye control type without tolerance requirements: the eye control type with tolerance requirements, such as cylinder wall temperature, material moisture, cigarette suction resistance, etc. ; The eye control type without tolerance requirements, such as material flow, feeding ratio, etc., but it can be converted into fluctuations and precision to control or increase the control limit, and there is another type...

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Abstract

The invention discloses a cigarette production process stability monitoring method. The monitoring method sequentially comprises the following steps: 1, classifying variables in a cigarette production process; 2, conducting quantitative characterization on the classified variables; 3, implementing single-variable monitoring, adopting different monitoring models in accordance with different variable types; and 4, implementing multi-variable monitoring, wherein the multi-variable monitoring includes two parts, namely process comprehensive monitoring and batch comprehensive monitoring, a process stability monitoring comprehensive index model is adopted and a batch stability comprehensive monitoring index model is adopted for the batch comprehensive monitoring. The cigarette production process stability monitoring method disclosed by the invention not only can detect the minimal stability variable in the production process but also can detect processing stability and batch comprehensive stability of the process, so that the method offers strong support for improving cigarette production and enhancing the stability of product quality.

Description

technical field [0001] The invention relates to the technical field of cigarette production, in particular to a method for monitoring the stability of the cigarette production process. Background technique [0002] The purpose of the stability monitoring of the cigarette production process is to ensure that each quality management unit is under the condition that the input of the production system, the resources it depends on, the control measures and the manufacturing activities themselves can continuously meet the technical standards, specifications and requirements during the production process. The fluctuation of the output product quality is within the allowable range. [0003] Currently, the cigarette production process monitoring capability index C PK , Sigma level test, etc. have been widely used in the tobacco industry and achieved good results, but there are the following defects: [0004] (1) The monitoring results are all based on normal distribution and need t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24C5/34
CPCA24C5/34
Inventor 熊安言李善莲丁美宙堵劲松宋伟民孙觅邓国栋刘强李全胜韩军霞刘文召王二彬苏东赢郜海民张志刚王根发
Owner CHINA TOBACCO HENAN IND
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