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A method for characterization of moisture accuracy at the outlet of dried silk

A technology for outlet moisture and characterization, which is applied in the fields of tobacco, food science, and tobacco preparation, and can solve problems such as characterization methods for outlet moisture accuracy of dried shredded silk, unfavorable shredded shredded process control, and excessive data fluctuations, etc.

Active Publication Date: 2017-03-22
CHINA TOBACCO GUANGXI IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types and methods of data smoothing. Excessive smoothing of data will smooth out the volatility of data and change the distribution of data itself; if the data is not smoothed, the data will fluctuate too much, which is not conducive to the control of the drying process
At present, there is no public report on the characterization method of moisture accuracy at the outlet of dried silk

Method used

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  • A method for characterization of moisture accuracy at the outlet of dried silk
  • A method for characterization of moisture accuracy at the outlet of dried silk
  • A method for characterization of moisture accuracy at the outlet of dried silk

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] For any brand A, set the response time of the moisture meter after drying to 15s. After drying, collect the unprocessed raw data of the moisture meter itself and the output data processed by the moisture meter itself for data analysis. The results are shown in Table 1.

[0016] Table 1 Grade A moisture meter output data processing results

[0017]

[0018]

[0019] It can be seen from Table 1 that the average value of each group of data basically does not change. For the stack type and interval smoothing methods, as the smoothing step increases, the data standard deviation, variation coefficient, and range decrease continuously, and the data distribution skewness value and kurtosis values ​​increase in variance compared to the underlying raw data. That is, after stack smoothing or interval averaging, the mean value of the data does not change much, and the degree of dispersion of the data gradually decreases. For the data extraction method, with the gradual incre...

Embodiment 2

[0032] For any brand B, set the response time of the moisture meter after drying to 25s. After drying, collect the unprocessed raw data of the moisture meter itself and the processed output data of the moisture meter itself for data analysis. The results are shown in Table 5.

[0033] Table 5 Grade B moisture meter output data processing results

[0034]

[0035] Table 6 Statistical analysis results of moisture meter output data

[0036]

[0037]

[0038] Through the data processing and analysis results of the moisture meter output, on the premise of ensuring that the collected data is consistent with the average moisture content and fluctuation (discrete) of the material, the data processing rules of the moisture meter after drying are preliminarily determined, that is, the data acquisition and processing method of the upper computer adopts the data extraction method , the step size is 10s, 5s, 2s.

[0039] Table 7 Analysis of data measured by moisture meter and ove...

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Abstract

The invention discloses a precise characterization method for water at an outlet of baked cut tobacco. The precise characterization method comprises the following steps: setting response time of an in-line infrared water-measuring meter to be 1-30 s; respectively collecting unprocessed original data and processed output data of the in-line infrared water-measuring meter, controlling data for PLC filtering processing and data of an upper computer; analyzing the collected data by adopting different data smoothing rules, and determining a data processing rule of the water-measuring meter preliminarily; and verifying by comparing through a baking box method and a water-measuring meter measurement method, and finally determining the data processing rules of the water-measuring meter. With the adoption of the precise characterization method provided by the invention, the true value of the water at the outlet of the baked cut tobacco can be accurately reflected, and thus the cut tobacco baking process is well controlled.

Description

technical field [0001] The invention relates to the technical field of characterization of the moisture accuracy at the outlet of a silk drying machine, in particular to a method for characterization of the moisture accuracy at the outlet of a silk drying machine. Background technique [0002] In the cigarette shred production line, the moisture content of cut tobacco is a physical index that needs to be strictly controlled. The shred drying process has a direct impact on the internal quality of the final cigarette product. There are many processes, and the moisture content at the outlet of the dried silk is an important indicator for evaluating the process control ability of the process. [0003] On the cigarette shred production line, the online infrared moisture meter is often used to detect the moisture. After the moisture meter collects the data, its own PLC will process the data and then output it. After the moisture meter outputs the data, it will be transmitted in tw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B9/00A24B3/10
Inventor 赵静芬田兆福刘政李坚韦祎韦文刘远涛李日南邹琳黄江
Owner CHINA TOBACCO GUANGXI IND
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