CN101566563A - Near-infrared characterizing method for quality change in tobacco silk producing procedures - Google Patents
Near-infrared characterizing method for quality change in tobacco silk producing procedures Download PDFInfo
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- CN101566563A CN101566563A CN 200910059487 CN200910059487A CN101566563A CN 101566563 A CN101566563 A CN 101566563A CN 200910059487 CN200910059487 CN 200910059487 CN 200910059487 A CN200910059487 A CN 200910059487A CN 101566563 A CN101566563 A CN 101566563A
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Abstract
The invention discloses a near-infrared characterizing method for quality change in tobacco silk producing procedures, which chooses process set data during tobacco silk producing process as basic process parameters to generate a blank sample and changes the process parameters so as to generate a comparison sample; the blank sample and the comparison sample are scanned and pass through a sieve of 40 meshes, thus obtaining respective near-infrared spectrums; the near-infrared spectrum of the blank sample is subtracted from the near-infrared spectrum of the comparison sample, thus obtaining a near-infrared difference spectrum; and the difference of internal quality change of the sample when the process parameters are adjusted is characterized by being compared with the change of the near-infrared difference spectrum. The method overcomes the defects of long period, failure in measuring a plurality of samples and unstable measurement existing in the prior art, is a method that has short period and stable effect and quality and can conduct measurement to a plurality of samples so as to conduct near-infrared characterizing on the internal quality change of tobacco during the silk production process, and can be applied to the tobacco production industry.
Description
Technical field
The present invention relates to the method for tobacco cutting, be specifically related to the near-infrared characterizing method that quality changes in the tobacco silk producing procedures.
Background technology
The sign that the tobacco interior quality changes in the technology for making tobacco threds process, the method for the simple physical examination of original adoption reflects the influence of the variation of technological parameter to cigarette quality such as indexs such as the water percentage of measuring pipe tobacco, filling powers.Introduce chemical analysis method afterwards the cigarette process crudy had been estimated, reflected the variation of tobacco interior quality usually with routine chemical componentses such as the tar in the total reducing sugar in the tobacco, reducing sugar, total nitrogen, total alkaloid, chlorine, potassium and the flue gas, nicotine and carbon monoxide.In the versions in 2003 " cigarette process standard " that State Tobacco Monopoly Bureau works out sensory quality assessment is introduced the cigarette process, in the hope of estimating the production technology different technical parameters, determine cigarette product production technology working process parameter to influence in goods processing quality index stability and inherent quality.At present the way that each cigarette enterprise is commonly used is the method that sensory evaluating smoking result is combined with the physical chemistry assay, and the variation of tobacco interior quality in the throwing process is characterized.The shortcoming of physical testing method is the variation that can only reflect the sample physical property, can not reflect the variation of sample inherent quality; The shortcoming of chemical analysis method is to reflect several chemical index limited in the tobacco, and the chemico-analytic cycle is long, is unsuitable for the technology assessment of cigarette at goods; The shortcoming of sensory evaluating smoking's method is the influence that is subject to people's health He the amount of smokeing panel test, and causes aesthetic quality's fluctuation, and this method also is not suitable for the processing quality evaluation of a large amount of samples.
Near infrared (NIR) only refers to the electromagnetic wave of wavelength between visible light and middle infrared, and its wavelength coverage is 780nm～2526nm.Molecule is in the absorption in NIR district, and mainly by C-H, O-H, the sum of fundamental frequencies of groups such as N-H and C=O absorb with frequency multiplication and absorb composition.Therefore, near infrared technology is specially adapted to the organic analysis such as tobacco, advantages such as having fast, can't harm and be efficient.Near infrared absorption has been successfully applied to chemical composition analysis such as total reducing sugar in the tobacco, reducing sugar, total nitrogen, total alkaloid, chlorine, potassium, moisture, total volatile acid, total volatile alkaline, polyphenol and protein, be used for the analysis of cigarette supplementary such as glycerine, ethylene glycol, triacetyl glycerine and cigarette smoke nicotine, tar and carbon monoxide, even be used for analyses such as tobacco leaf structure, oil content, the analysis of pipe tobacco proportioning and true and false cigarette discriminating.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides to utilize near infrared technology to carry out the characterizing method that the tobacco interior quality changes in the throwing process.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
The near-infrared characterizing method that quality changes in a kind of tobacco silk producing procedures, choose technological parameter in the tobacco cutting process and carry out step 1 to step 6:
Step 2 changes the technological parameter data, and the parameter after changing with this is carried out tobacco cutting, and the tobacco sample of generation is a comparative sample;
Step 3 is pulverized back 40 mesh sieves of crossing respectively with blank sample and comparative sample;
Blank sample and comparative sample after step 4 scanning is sieved obtain near infrared light spectrogram separately;
Step 5 deducts the near infrared light spectrogram of blank sample with the near infrared light spectrogram of comparative sample, obtains near infrared difference spectrogram;
Step 6 characterizes with the variation of closer infrared poor spectrogram, the otherness that the sample interior quality changes during to the adjustment technological parameter;
When further technical scheme was step 4 scanning, the wave number of employing was 9000cm
-1To 4000cm
-1
Further technical scheme is that step 2 to step 6 can repeatedly repeat.
The invention has the beneficial effects as follows and to reflect the qualitative characteristics of tobacco all sidedly, a kind of cycle weak point, effect and steady quality are provided, can carry out the method for near-infrared characterizing to the variation of tobacco interior quality in the throwing process measuring of a large amount of samples.
Description of drawings
The near-infrared characterizing figure that the throwing line loosening and gaining moisture operation cigarette quality that Fig. 1 the present invention obtains changes;
The near-infrared characterizing figure that the loose operation cigarette quality of the throwing line microwave that Fig. 2 the present invention obtains changes;
The near-infrared characterizing figure that the throwing line chopping operation cigarette quality that Fig. 3 the present invention obtains changes.
Embodiment
The present invention is further elaborated below in conjunction with accompanying drawing.
The near-infrared characterizing that throwing line loosening and gaining moisture operation cigarette quality changes.KB-01 is set to blank sample according to step 1,2 SS-01, SS-02, SS-03 is set at comparative sample set by step, and its technological parameter separately sees Table 1:
Table 1 loosening and gaining moisture technological parameter
To blank sample KB-01 and comparative sample SS-01, SS-02, SS-03 through step 3 to step 6: gather blank sample KB-01, comparative sample SS-01, SS-02, the near infrared scanning optical spectrum of SS-03, acquisition range is 7500cm
-1To 4000cm
-1, use comparative sample SS-01, SS-02, the scanning optical spectrum of SS-03 deducts the scanning optical spectrum of blank sample KB-01, obtains the SS-01 as Fig. 1 respectively, SS-02, the near infrared difference spectrogram of SS-03.As can be seen from Figure 1, when technological parameter not simultaneously, comparative sample SS-01, SS-02, the near infrared difference spectrogram of SS-03 has notable difference, the otherness that the whole interior quality of sample changes in the time of can characterizing technological parameter in the loosening and gaining moisture process and adjust by this species diversity.
Embodiment 2
The near-infrared characterizing that the loose operation cigarette quality of throwing line microwave changes.KB-02 is set to blank sample according to step 1,2 WB-01, WB-02, WB-03 is set at comparative sample set by step, and its technological parameter separately sees Table 2:
Table 2 microwave loosening technique parameter
To blank sample KB-02 and comparative sample WB-01, WB-02, WB-03 through step 3 to step 6: gather blank sample KB-02, comparative sample WB-01, WB-02, the near infrared scanning optical spectrum of WB-03, acquisition range is 9000cm
-1To 4000cm
-1, use comparative sample WB-01, WB-02, the scanning optical spectrum of WB-03 deducts the scanning optical spectrum of blank sample KB-02, obtains the WB-01 as Fig. 2 respectively, WB-02, the near infrared difference spectrogram of WB-03.As can be seen from Figure 2, when technological parameter not simultaneously, comparative sample WB-01, WB-02, the near infrared difference spectrogram of WB-03 has notable difference, the otherness that the whole interior quality of sample changes in the time of can characterizing technological parameter in the loose process of microwave and adjust by this species diversity.
Embodiment 3
The near-infrared characterizing that throwing line chopping operation cigarette quality changes.KB-03 is set to blank sample according to step 1,2 QS-1, QS-2, QS-3 is set at comparative sample set by step, and its technological parameter separately sees Table 3:
Table 3 chopping technological parameter
To blank sample KB-03 and comparative sample QS-1, QS-2, QS-3 through step 3 to step 6: gather blank sample KB-03, comparative sample QS-01, QS-02, the near infrared scanning optical spectrum of QS-03, acquisition range is 7000cm
-1To 4500cm
-1, use comparative sample QS-01, QS-02, the scanning optical spectrum of QS-03 deducts the scanning optical spectrum of blank sample KB-03, obtains the QS-01 as Fig. 3 respectively, QS-02, the near infrared difference spectrogram of QS-03.As can be seen from Figure 3, when technological parameter not simultaneously, comparative sample QS-01, QS-02, the near infrared difference spectrogram of QS-03 has notable difference, the otherness that the whole interior quality of sample changes in the time of can characterizing technological parameter in the chopping process and adjust by this species diversity.
Claims (3)
1, the near-infrared characterizing method that quality changes in a kind of tobacco silk producing procedures is characterized in that choosing technological parameter in the tobacco cutting process and carries out step 1 to step 6:
Step 1 pair processing parameter setting data are the basic process parameter, carry out tobacco cutting with this basic process parameter, and the tobacco sample of generation is a blank sample;
Step 2 changes the technological parameter data, and the parameter after changing with this is carried out tobacco cutting, and the tobacco sample of generation is a comparative sample;
Step 3 is pulverized back 40 mesh sieves of crossing respectively with blank sample and comparative sample;
Blank sample and comparative sample after step 4 scanning is sieved obtain near infrared light spectrogram separately;
Step 5 deducts the near infrared light spectrogram of blank sample with the near infrared light spectrogram of comparative sample, obtains near infrared difference spectrogram;
Step 6 characterizes with the variation of closer infrared poor spectrogram, the otherness that the sample interior quality changes during to the adjustment technological parameter.
2, the near-infrared characterizing method that quality changes in the tobacco silk producing procedures according to claim 1, when it is characterized in that described step 4 scans, the wave number of employing is 9000cm
-1To 4000cm
-1
3, the near-infrared characterizing method that quality changes in the tobacco silk producing procedures according to claim 2 is characterized in that described step 2 to step 6 can repeatedly repeat.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539372A (en) * | 2011-12-16 | 2012-07-04 | 中国蓝星（集团）股份有限公司 | Method for detecting content of end carboxyl of para-position aramid fiber |
| CN103344598A (en) * | 2013-06-18 | 2013-10-09 | 川渝中烟工业有限责任公司 | Method for determination of compatibleness of cut stems and tobacco leaf group |
| CN111879726A (en) * | 2020-08-26 | 2020-11-03 | 中国烟草总公司郑州烟草研究院 | Tobacco hot processing strength and volatility online monitoring method based on synchronous near-infrared analysis before and after processing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5462176A (en) * | 1994-06-03 | 1995-10-31 | Brown & Williamson Tobacco Corporation | Latex detection system |
| RU2248736C2 (en) * | 1999-06-08 | 2005-03-27 | Джапан Тобакко Инк. | Apparatus and method for detecting contaminants in material |
-
2009
- 2009-06-03 CN CN 200910059487 patent/CN101566563B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539372A (en) * | 2011-12-16 | 2012-07-04 | 中国蓝星（集团）股份有限公司 | Method for detecting content of end carboxyl of para-position aramid fiber |
| CN102539372B (en) * | 2011-12-16 | 2014-02-19 | 中国蓝星（集团）股份有限公司 | Method for detecting content of end carboxyl of para-position aramid fiber |
| CN103344598A (en) * | 2013-06-18 | 2013-10-09 | 川渝中烟工业有限责任公司 | Method for determination of compatibleness of cut stems and tobacco leaf group |
| CN103344598B (en) * | 2013-06-18 | 2016-04-20 | 川渝中烟工业有限责任公司 | The decision method of a kind of stem and cigarette leaf group compatibility |
| CN111879726A (en) * | 2020-08-26 | 2020-11-03 | 中国烟草总公司郑州烟草研究院 | Tobacco hot processing strength and volatility online monitoring method based on synchronous near-infrared analysis before and after processing |
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| CN101566563B (en) | 2011-04-13 |
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Owner name: CHINA TOBACCO CHUANYU INDUSTRIAL CO., LTD. Free format text: FORMER NAME: CHINA TOBACCO CHUANYU INDUSTRIAL CORPORATION |
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Address after: 610017 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No. Patentee after: China Tobacco Chuanyu Industrial Co., Ltd. Address before: 610017 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No. Patentee before: China Tobacco Chuanyu Industrial Corporation |
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Effective date of registration: 20161209 Address after: 610000, Sichuan, Chengdu, Longquanyi economic and Technological Development Zone, Jackie Chan Road, Longquan, No. 2, paragraph Patentee after: CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD. Patentee after: CHONGQING CHINA TOBACCO INDUSTRIAL CO., LTD. Address before: 610017 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No. Patentee before: China Tobacco Chuanyu Industrial Co., Ltd. |