CN108802284B - Method for detecting blending proportion and blending uniformity of reconstituted tobacco cigarettes - Google Patents
Method for detecting blending proportion and blending uniformity of reconstituted tobacco cigarettes Download PDFInfo
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 170
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 170
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 110
- 238000002156 mixing Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 claims abstract description 8
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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Abstract
A method for detecting the blending proportion of reconstituted tobacco cigarettes comprises (1) taking representative cigarette formula tobacco leaves without reconstituted tobacco leaves and reconstituted tobacco leaves in cigarette brands, baking to be absolutely dry, and respectively crushing; (2) respectively adding 0-20% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder, and respectively carrying out total ash value detection; (3) analyzing the detection data, and finding out the correlation between the blending ratio of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a linear equation between the blending ratio and the ash value; (4) and sampling finished tobacco shreds or finished cigarettes at uniform intervals on line, crushing, detecting ash values, and substituting the ash values into a linear equation to obtain the mixing proportion of the reconstituted tobacco in the finished tobacco shreds. The detection method is simple and feasible, has the characteristics of being more scientific and more accurate compared with the existing manual sorting method, and provides technical support for accurate regulation and control of cigarette formulas.
Description
Technical Field
The invention relates to the technical field of paper-making reconstituted tobacco cigarettes, in particular to a method for detecting blending proportion and blending uniformity of reconstituted tobacco cigarettes.
Background
The paper-making method reconstituted tobacco is one of the main raw materials of cigarettes, the raw materials used by the reconstituted tobacco are mainly leftovers such as tobacco stems, stem sticks, tobacco powder and the like in the processes of threshing and redrying and cigarette production and some inferior tobacco difficult to use in the formula, and in order to improve the adaptability of papermaking and the water filtration performance of slurry, 5-10% of calcium carbonate is usually added into the slurry. The problems of tobacco cutting, low qualification rate, winding of filaments and the like exist when the existing reconstituted tobacco is mixed with tobacco leaves for shredding in the cigarette processing process, the real proportion and the theoretical proportion of the reconstituted tobacco leaves in the cigarette have certain difference, and great influence is brought to the fine management of the cigarette formula. In order to master the blending ratio of the reconstituted tobacco in the cigarette, a manual selection method is generally adopted, but the method has the problems of larger detection error, long detection time and the like caused by the fact that fine materials cannot be distinguished.
Chinese patent CN201410386289.5 discloses a method for detecting the degree of mixing of cigarette leaf groups, which is to take paper-making reconstituted tobacco as a test marker, take each procedure before shredding as a sampling point, manually select, separate and detect the paper-making reconstituted tobacco on the sampled sample, and obtain the degree of mixing of the cigarette leaf groups through calculation. The method only represents the mixing degree of the cigarette leaf groups in each procedure before shredding, and cannot represent the blending proportion and uniformity of finished cut tobacco and reconstituted tobacco in cigarettes after shredding.
In the prior art, no relevant report for representing the blending proportion of the reconstituted tobacco cigarettes by taking the total ash value as a marker is found.
Disclosure of Invention
The invention provides a method for detecting the blending proportion and blending uniformity of reconstituted tobacco cigarettes, which mainly comprises the steps of adding reconstituted tobacco in different proportions into a cigarette leaf group formula according to the process characteristics of adding calcium carbonate in the preparation process of the reconstituted tobacco, wherein the total ash value of the reconstituted tobacco is obviously higher than that of the tobacco, detecting the total ash value, finding out the correlation between the total ash value and the blending proportion of the reconstituted tobacco, and expressing the blending uniformity of the reconstituted tobacco in the cigarettes by using the blending proportion variation coefficient for guiding the research on the processing performance of the reconstituted tobacco and the refined management of the cigarette formula.
In order to solve the technical problem, the invention provides a method for detecting the blending ratio of reconstituted tobacco cigarettes, which comprises the following steps:
(1) taking representative cigarette formula tobacco leaves and reconstituted tobacco leaves without reconstituted tobacco leaves in cigarette brands, baking to be completely dry, and respectively crushing;
(2) respectively adding 0-20% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder, and respectively carrying out total ash value detection;
(3) analyzing the detection data, and finding out the correlation between the blending ratio of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a linear equation between the blending ratio and the ash value;
(4) in the production process, in the process of delivering each batch of finished tobacco shreds to a rolling workshop, sampling at least 10 finished tobacco shreds at uniform intervals on line, detecting ash values after crushing, and substituting the ash values into a linear equation to obtain the blending proportion of the reconstituted tobacco shreds in the finished tobacco shreds; or taking at least 10 finished cigarette samples at uniform intervals on line, taking 5 finished cigarettes in each sample, cutting the cigarettes by using a paper cutter, taking out all tobacco shreds, carrying out ash content detection, and substituting the ash content value into a linear equation to obtain the blending proportion of the reconstituted tobacco in the finished tobacco shreds.
Preferably, step (1) is carried out in an oven at 105 ℃ for 2 hours to be absolutely dry.
As a preferred scheme, the ash content difference value of the reconstituted tobacco and the cigarette formula tobacco in the step (1) is more than or equal to 5 percent.
Preferably, the absolute difference between the results of the two parallel determinations of total ash in step (2) should not exceed 0.5% of the arithmetic mean.
A method for detecting blending uniformity of reconstituted tobacco cigarettes comprises the following steps:
(1) taking representative cigarette formula tobacco leaves and reconstituted tobacco leaves without reconstituted tobacco leaves in cigarette brands, baking to be completely dry, and respectively crushing;
(2) respectively adding 0-20% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder, and respectively carrying out total ash value detection;
(3) analyzing the detection data, and finding out the correlation between the blending ratio of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a linear equation between the blending ratio and the ash value;
(4) in the production process, in the process of delivering each batch of finished tobacco shreds to a rolling workshop, sampling at least 10 finished tobacco shreds at uniform intervals on line, detecting ash values after crushing, substituting the ash values into a linear equation to obtain the blending proportion of the reconstituted tobacco leaves in the finished tobacco shreds, obtaining the standard deviation and the average value of the blending proportion of the reconstituted tobacco leaves in the batch of finished tobacco shreds by calculation, and finally obtaining the blending uniformity variation coefficient of the batch of reconstituted tobacco shreds by calculation, wherein the uniformity variation coefficient is the ratio of the standard deviation to the average value; or taking at least 10 finished cigarette samples at uniform intervals on line, taking 5 finished cigarettes for each sample, cutting the cigarettes by using a paper cutter, taking out all tobacco shreds, carrying out ash content detection, substituting the ash content value into a linear equation to obtain the blending proportion of the reconstituted tobacco leaves in the finished tobacco shreds, obtaining the standard deviation and the average value of the blending proportion of the reconstituted tobacco leaves in the batch of finished cigarettes by calculation, and finally obtaining the blending uniformity variation coefficient of the reconstituted tobacco leaves in the batch of cigarettes by calculation, wherein the uniformity variation coefficient is the ratio of the standard deviation to the average value.
Preferably, step (1) is carried out in an oven at 105 ℃ for 2 hours to be absolutely dry.
As a preferred scheme, the ash content difference value of the reconstituted tobacco and the cigarette formula tobacco in the step (1) is more than or equal to 5 percent.
Preferably, the absolute difference between the results of the two parallel determinations of total ash in step (2) should not exceed 0.5% of the arithmetic mean.
As a preferred scheme, the sample amount n of the reconstituted tobacco cigarette blending uniformity detection is more than or equal to 30.
The method has the advantages that the total ash value is used as a marker, a chemical analysis detection method for the blending proportion and the blending uniformity of the reconstituted tobacco cigarettes is established, the method is simple and feasible, and compared with the existing manual sorting method, the method has the characteristics of being more scientific and more accurate, and provides technical support for accurate regulation and control of cigarette formulas.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments.
The first embodiment is as follows:
a method for detecting blending uniformity of reconstituted tobacco cigarettes comprises the following steps:
taking about 1000 g of representative cigarette formula tobacco leaves without reconstituted tobacco leaves in a certain cigarette brand and about 500 g of reconstituted tobacco leaves, drying in a 105 ℃ oven for 2 hours (till the reconstituted tobacco leaves are completely dried), and then respectively crushing, wherein the ash content difference value of the reconstituted tobacco leaves and the cigarette formula tobacco leaves is 7.52%;
adding 0%, 3%, 6%, 9%, 12%, 16% and 20% of the crushed reconstituted tobacco leaves into the crushed cigarette formula tobacco powder respectively, and detecting the total ash content;
analyzing the detection data, and finding out the correlation between the blending proportion of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a correlation formula, namely a linear equation between the blending proportion and the ash value:
Y＝15.959X-196.54、R2＝0.9998
in the formula: x is the total ash value%
Y is the blending proportion of the reconstituted tobacco and the cigarette, the content
R2: expressing the correlation coefficient of the total ash and the blending ratio
In the process of delivering finished tobacco shreds to a cigarette packaging workshop in a tobacco shred manufacturing workshop, sampling at intervals on line, taking 30 samples in total, respectively crushing, then detecting the total ash content, substituting the total ash content into a correlation equation to obtain the blending proportion of the reconstituted tobacco cigarettes, and calculating to obtain the uniformity variation coefficient (standard deviation/average value) of the blending proportion of the reconstituted tobacco leaves in the cut tobacco shreds.
30 samples are evenly sampled on line at intervals in a rolling and packing workshop, 5 finished cigarettes are sampled in each sample, the cigarettes are cut by a paper cutter, all cut tobaccos are taken out for ash content detection, the total ash content value is substituted into a correlation equation to obtain the blending proportion of the reconstituted tobaccos in the finished cigarettes, and the blending uniformity variation coefficient (standard deviation/average value) of the reconstituted tobaccos in the finished cigarettes is obtained through calculation.
Example two:
a method for detecting the blending ratio of reconstituted tobacco cigarettes comprises the following steps:
(1) taking about 1000 g of representative cigarette formula tobacco leaves without reconstituted tobacco leaves in a certain cigarette brand and about 500 g of reconstituted tobacco leaves, drying in a 105 ℃ oven for 2 hours (till the reconstituted tobacco leaves are completely dried), and then respectively crushing, wherein the ash content difference value of the reconstituted tobacco leaves and the cigarette formula tobacco leaves is 6.82%;
(2) adding 0%, 2%, 6%, 10%, 14% and 18% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder respectively, and performing total ash value detection on different samples respectively;
(3) analyzing the detection data, and finding out the correlation between the blending proportion of the reconstituted tobacco in the cigarette leaf group formula and the total ash content value through a scatter diagram to obtain a correlation formula:
Y＝16.237X-199.17、R2＝0.9981
in the formula: x is the total ash value%
Y is the blending proportion of the reconstituted tobacco and the cigarette, the content
R2: expressing the correlation coefficient of the total ash and the blending ratio
(4) In the process of delivering finished tobacco shreds to a cigarette packaging workshop in a tobacco processing workshop, sampling at intervals on line, taking 10 samples in total, respectively crushing, detecting the total ash content, and substituting the total ash content into a correlation equation to obtain the reconstituted tobacco cigarette blending ratio.
Example three:
a method for detecting the blending ratio of reconstituted tobacco cigarettes comprises the following steps:
(1) taking about 1000 g of representative cigarette formula tobacco leaves without reconstituted tobacco leaves in a certain cigarette brand and about 500 g of reconstituted tobacco leaves, drying in a 105 ℃ oven for 2 hours (till the reconstituted tobacco leaves are completely dried), and then respectively crushing, wherein the ash content difference value of the reconstituted tobacco leaves and the cigarette formula tobacco leaves is 5.0%;
(2) adding 0%, 2%, 4%, 6%, 8%, 10%, 12%, 14%, 16%, 18% and 20% of the crushed reconstituted tobacco into the crushed cigarette formula tobacco powder respectively, and detecting the total ash content value respectively;
(3) analyzing the detection data, and finding out the correlation between the blending proportion of the reconstituted tobacco in the cigarette leaf group formula and the total ash content value through a scatter diagram to obtain a correlation formula:
Y＝24.70X-303.2、R2＝0.999
in the formula: x is the total ash value%
Y is the blending proportion of the reconstituted tobacco and the cigarette, the content
R2: expressing the correlation coefficient of the total ash and the blending ratio
(4) In the process of delivering finished tobacco shreds to a cigarette packaging workshop in a tobacco processing workshop, sampling at intervals on line, taking 20 samples in total, respectively crushing, then detecting the total ash content, and substituting the total ash content into a correlation equation to obtain the reconstituted tobacco cigarette blending proportion.
TABLE 1 reconstituted tobacco cigarette blending ratio and uniformity
The data in the table 1 show that the standard deviation of the blending ratio data of the reconstituted tobacco cigarettes in the second embodiment is minimum, which indicates that the dispersion degree among the data in the group is minimum.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method for detecting the blending ratio of reconstituted tobacco cigarettes is characterized by comprising the following steps:
(1) taking representative cigarette formula tobacco leaves and reconstituted tobacco leaves without reconstituted tobacco leaves in cigarette brands, baking to be completely dry, and respectively crushing;
(2) respectively adding 0-20% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder, and respectively carrying out total ash value detection;
(3) analyzing the detection data, and finding out the correlation between the blending ratio of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a linear equation between the blending ratio and the ash value;
(4) in the production process, in the process of delivering each batch of finished tobacco shreds to a rolling workshop, sampling at least 10 finished tobacco shreds at uniform intervals on line, detecting ash values after crushing, and substituting the ash values into a linear equation to obtain the blending proportion of the reconstituted tobacco shreds in the finished tobacco shreds; or taking at least 10 finished cigarette samples at uniform intervals on line, taking 5 finished cigarettes in each sample, cutting the cigarettes by using a paper cutter, taking out all tobacco shreds, carrying out ash content detection, and substituting the ash content value into a linear equation to obtain the blending proportion of the reconstituted tobacco in the finished tobacco shreds.
2. The method for detecting the blending ratio of the reconstituted tobacco cigarette according to claim 1, characterized by comprising the following steps: baking the mixture in an oven at 105 ℃ for 2 hours in the step (1) until the mixture is completely dried.
3. The method for detecting the blending ratio of the reconstituted tobacco cigarette according to claim 1, characterized by comprising the following steps: the ash content difference value of the reconstituted tobacco and the cigarette formula tobacco in the step (1) is more than or equal to 5 percent.
4. The method for detecting the blending ratio of the reconstituted tobacco cigarette according to claim 1, characterized by comprising the following steps: the absolute difference of the two parallel detection results of the total ash content in the step (2) should not exceed 0.5 percent of the arithmetic mean value.
5. A method for detecting blending uniformity of reconstituted tobacco cigarettes is characterized by comprising the following steps:
(1) taking representative cigarette formula tobacco leaves and reconstituted tobacco leaves without reconstituted tobacco leaves in cigarette brands, baking to be completely dry, and respectively crushing;
(2) respectively adding 0-20% of the reconstituted tobacco subjected to crushing treatment into the crushed cigarette formula tobacco powder, and respectively carrying out total ash value detection;
(3) analyzing the detection data, and finding out the correlation between the blending ratio of the reconstituted tobacco in the cigarette leaf group formula and the total ash value through a scatter diagram to obtain a linear equation between the blending ratio and the ash value;
(4) in the production process, in the process of delivering each batch of finished tobacco shreds to a rolling workshop, sampling at least 10 finished tobacco shreds at uniform intervals on line, detecting ash values after crushing, substituting the ash values into a linear equation to obtain the blending proportion of the reconstituted tobacco leaves in the finished tobacco shreds, obtaining the standard deviation and the average value of the blending proportion of the reconstituted tobacco leaves in the batch of finished tobacco shreds by calculation, and finally obtaining the blending uniformity variation coefficient of the batch of reconstituted tobacco shreds by calculation, wherein the uniformity variation coefficient is the ratio of the standard deviation to the average value; or taking at least 10 finished cigarette samples at uniform intervals on line, taking 5 finished cigarettes for each sample, cutting the cigarettes by using a paper cutter, taking out all tobacco shreds, carrying out ash content detection, substituting the ash content value into a linear equation to obtain the blending proportion of the reconstituted tobacco leaves in the finished tobacco shreds, obtaining the standard deviation and the average value of the blending proportion of the reconstituted tobacco leaves in the batch of finished cigarettes by calculation, and finally obtaining the blending uniformity variation coefficient of the reconstituted tobacco leaves in the batch of cigarettes by calculation, wherein the uniformity variation coefficient is the ratio of the standard deviation to the average value.
6. The method for detecting the blending uniformity of reconstituted tobacco cigarettes according to claim 5, characterized by comprising the following steps: baking the mixture in an oven at 105 ℃ for 2 hours in the step (1) until the mixture is completely dried.
7. The method for detecting the blending uniformity of reconstituted tobacco cigarettes according to claim 5, characterized by comprising the following steps: the ash content difference value of the reconstituted tobacco and the cigarette formula tobacco in the step (1) is more than or equal to 5 percent.
8. The method for detecting the blending uniformity of reconstituted tobacco cigarettes according to claim 5, characterized by comprising the following steps: the absolute difference of the two parallel detection results of the total ash content in the step (2) should not exceed 0.5 percent of the arithmetic mean value.
9. The method for detecting the blending uniformity of reconstituted tobacco cigarettes according to claim 5, characterized by comprising the following steps: and (4) detecting the blending uniformity of the reconstituted tobacco cigarettes in the step (4) by using more than or equal to 30 sample quantities n.
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| US5584306A (en) * | 1994-11-09 | 1996-12-17 | Beauman; Emory | Reconstituted tobacco material and method of its production |
| CN102519821B (en) * | 2011-10-31 | 2013-07-10 | 江苏中烟工业有限责任公司 | Method for evaluating cut tobacco mixing uniformity |
| CN102818769B (en) * | 2012-09-05 | 2015-04-22 | 江苏中烟工业有限责任公司 | Method for evaluating mixing uniformity of tobacco shreds in finished product cigarette |
| CN103149115B (en) * | 2013-03-04 | 2015-04-01 | 江苏中烟工业有限责任公司 | Method for determining doping uniformity of reconstructed cut stems |
| CN103344572A (en) * | 2013-06-24 | 2013-10-09 | 云南烟草科学研究院 | Method for evaluating blending homogeneity of cut rolled stems and regenerated cut tobaccos in cigarettes |
| CN104330385A (en) * | 2014-11-14 | 2015-02-04 | 山东中烟工业有限责任公司 | Device and method for detecting cut tobacco blending uniformity online |
| CN106896032B (en) * | 2017-03-23 | 2019-03-29 | 云南中烟工业有限责任公司 | A method of measurement pipe tobacco, stem, reconstituted tobacco cut filler uniformity |
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