CN101940357B - Cigarette processing technology with low heavy metal content T1 - Google Patents
Cigarette processing technology with low heavy metal content T1 Download PDFInfo
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- CN101940357B CN101940357B CN2010102883523A CN201010288352A CN101940357B CN 101940357 B CN101940357 B CN 101940357B CN 2010102883523 A CN2010102883523 A CN 2010102883523A CN 201010288352 A CN201010288352 A CN 201010288352A CN 101940357 B CN101940357 B CN 101940357B
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Abstract
The invention relates to a cigarette processing technological process to reduce heavy metal content T1, belonging to the technical field of cigarette processing methods, and comprising the following steps: microwave loosen, loosing remoisten, lamina heating and humidifying, lamina moisten, charging, lamina storage, shredding, HT+ tobacco drying, aromatic flavouring, tobacco storage and wraparound; the technological parameters of the microwave loosen process are preferably as follows: microwave power is 121 kilowatt, and the processing time is 240 seconds; the technological parameters of the loosing remoisten process are preferably as follows: vapor pressure of vapor and liquid nozzle is 0.3MPa, the temperature of the return air is 70 DEG C, the barrel rotate speed is 13r/min; and the technological parameters of the HT+ tobacco drying are preferably as follows: the working steam pressure of HT is 0.6MPa, the temperature of the hot air is 87 DEG C, moisture exhaust damper opening is 31%, the hot air damper opening is 31%, and the barrel rotate speed is 13r/min. The invention reduces the content of the cigarette T1 by optimizing the technological parameter, and determines that the process in the invention reduces the content of the cigarette T1.
Description
Technical field
The present invention relates to cigarette processing method technical field, be specifically related to a kind of cigarette technological method for processing that reduces content of beary metal Tl.
Background technology
Heavy metal is meant that generally proportion is greater than 5.0g/cm
3, be prone to accumulate in vivo, human body is poisoned some bigger metallic elements, it is the major pollutants of environment, is prevalent in atmosphere, soil and the water, extremely low concentration just can work the mischief to organism.Heavy metal is difficult for being degraded after getting into environment, is easy to be detrimental to health through food chain then by crop absorption.Heavy metal element in the tobacco leaf can shift to human body through aspiration procedure, is detrimental to health, and how effectively controlling content of beary metal and reducing its transfer to human body has become question of common concern.China's tobacco business Eleventh Five-Year Plan is classified the nuisanceless production of tobacco leaf one of as 10 great special projects." prevent to contact tobacco smoke " in " Framework Convention on Tobacco Control ", " control of tobacco composition and disclosure " two criterions require national governments to work up more severe " Tobacco Control " laws and regulations; Impel tobacco productive corporation when reducing releasing content of coke tar in cigarette, more want the burst size of main harmful components in the strict control cigarette smoke.Research shows that content of beary metal in the plant and its growing environment are closely related, and plant mainly absorbs heavy metal from soil.Tl element content in soil is very low, and the report of relevant Tl element research is actually rare, and the research to element T l in the tobacco at present mainly concentrates on the detection method, as for how selecting suitable technological parameter to reduce cigarette Tl Study on content, does not appear in the newspapers as yet.
This research is tried hard to from the new way of cigarette processing technology angle exploration cigarette lowering harm and decreasing coking; Go out the cigarette working process parameter through assay optimization,, use the method processing cigarette of this technological parameter through the setting reduction content of beary metal of technological parameter; Lowered the content of cigarette Tl to a certain extent; Utilize micro-wave digestion pre-treatment sample, icp ms (ICP-MS) detects, and has confirmed that this technique processing method reduces the beneficial effect of cigarette Tl content.
Summary of the invention
The objective of the invention is the content of the combination of process parameters of optimizing application in cigarette throwing workshop section, thereby a kind of cigarette technological method for processing that reduces content of beary metal Tl is provided with Tl in the reduction cigarette.
The technical solution of purpose that realizes the present invention is following: a kind of cigarette technological method for processing that reduces content of beary metal Tl comprises following operation: microwave is loose, loosening and gaining moisture, blade warming and humidifying, leaves moisting are reinforced, storage leaf, chopping, HT+ baking silk, perfuming, storage silk, wraparound.The optimal process parameter of the loose operation of microwave is: 121 kilowatts of microwave powers, 240 seconds process times; The optimal process parameter of loosening and gaining moisture operation is: vapour, (operating) water nozzle steam pressure 0.3MPa, 70 ℃ of return air temperatures, drum speed 13r/min; The optimal process parameter of HT+ drying process is: HT working steam pressure 0.6MPa, 87 ℃ of hot blast temperatures, humidity discharging throttle opening 31%, hot blast throttle opening 31%, drum speed 13r/min, all the other procedure technology parameter constants; The leaf silk warming and humidifying operation of HT for adopting tunnel type leaf silk warming and humidifying machine to carry out.
The sample that the scene is obtained carries out proper process, satisfies chopping respectively, rolls requirement, rolls into finally that elasticity is suitable, the cigarette of good uniformity props up.At last sample is smoked panel test, judge aesthetic quality's change direction and intensity of variation.
More than each processes employ optimize combination of process parameters accordingly, can effectively reduce Tl content in the obtained cigarette product.Need to prove that the selection of parameter level receives the certain influence of objective condition because this test is directly carried out in suitability for industrialized production equipment.
The present invention compared with prior art its beneficial effect is:
1, a kind of cigarette technological method for processing that reduces content of beary metal Tl is provided;
2, explored the new way of cigarette lowering harm and decreasing coking from cigarette processing technology angle.
3, to the regulation and control of flue-cured tobacco content of beary metal, mainly concentrate on the tobacco cultivation field at present, as utilize plastic-film-covered cultivation to reduce the flue-cured tobacco content of beary metal; This research then reduces content of beary metal through the setting of technological parameter, has important theory and inquires into meaning and actual application value.
The specific embodiment
Below in conjunction with embodiment the present invention is done further explanation.
The tobacco process code requirement of issuing according to country at present, set cigarette processing technology for making tobacco threds comprises following operation: microwave is loose, loosening and gaining moisture, blade warming and humidifying, leaves moisting are reinforced, storage leaf, chopping, HT+ baking silk, perfuming, storage silk etc.In cigarette throwing workshop section, mainly be through the tobacco special processing equipment, for example FT112 type microwave tobacco bale loosening system, WQ3313 type drum-type blade damping machine, SH625 type thin board type cut-tobacco drier etc. are carried out the operation task.The task of the loose operation of microwave is suitably to improve the smoked sheet temperature, and loose smoked sheet further improves the anti-processability of smoked sheet.The present invention at the optimal process parameter of the loose operation of microwave is: 121 kilowatts of microwave powers, 240 seconds process times; The task of loosening and gaining moisture operation is moisture content and the temperature that increases smoked sheet, improves the anti-processability of smoked sheet, makes section back smoked sheet loose, the aesthetic quality who improves smoked sheet.The present invention at the optimal process parameter of loosening and gaining moisture operation is: vapour, (operating) water nozzle steam pressure 0.3MPa, 70 ℃ of return air temperatures, drum speed 13r/min; The process task of HT+ drying process is the moisture of control leaf silk, improves the aesthetic quality of leaf silk, improves leaf silk filling capacity and anti-processability, reaches the coordination of the two.The present invention at the optimal process parameter of HT+ drying process is: HT working steam pressure 0.6MPa, 87 ℃ of hot blast temperatures, humidity discharging throttle opening 31%, hot blast throttle opening 31%, drum speed 13r/min, all the other procedure technology parameter constants; The leaf silk warming and humidifying operation of HT for adopting tunnel type leaf silk warming and humidifying machine to carry out.The tobacco sample that production obtains is for optimizing sample.To optimize sample utilizes the inductivity coupled plasma mass spectrometry analytical technology to detect to draw testing result.
Embodiment 1
To produce the tobacco sample that obtains as control sample by set cigarette technology for making tobacco threds parameter; In the loose operation of microwave, press the optimization working process parameter combination adjusting process parameter of microwave power 121KW, process time 240s, all the other procedure technology parameter constants are produced the tobacco sample that obtains for optimizing sample.The Tl content detection of two samples is seen table 1:
Loose process optimization sample of table 1 microwave and control sample Tl content detection result
| The sample title | Tl(μg/g) | Microwave power (KW) | Process time (second) |
| Control sample | 0.0927 | 140 | 320 |
| Optimize sample | 0.0732 | 121 | 240 |
Can find out that by table 1 Tl content has reduced by 21.04% than the control samples article in the tobacco sample that production obtains under the loose optimization combination of process parameters of microwave, have tangible reduction Tl dose-effect fruit.
Embodiment 2
To produce the tobacco sample that obtains as control sample by set cigarette technology for making tobacco threds parameter; In the loosening and gaining moisture operation; Press the optimization working process parameter combination adjusting process parameter of vapour, (operating) water nozzle steam pressure 0.3MPa, 70 ℃ of return air temperatures, drum speed 13r/min; All the other procedure technology parameter constants are produced the tobacco sample that obtains and are the optimization sample.The Tl content detection of two samples is seen table 2:
Table 2 loosening and gaining moisture process optimization sample and control sample Tl content detection result
| The sample title | Tl(μg/g) | Vapour, (operating) water nozzle steam pressure (MPa) | Return air temperature (℃) | Drum speed (r/min) |
| Control sample | 0.0927 | 0.2 | 48 | 11 |
| Optimize sample | 0.0700 | 0.3 | 70 | 13 |
Can find out that by table 2 Tl content has reduced by 24.49% than the control samples article in the tobacco sample that production obtains under loosening and gaining moisture optimization combination of process parameters, has tangible reduction Tl content effect.
Embodiment 3
To produce the tobacco sample that obtains as control sample by set cigarette technology for making tobacco threds parameter; In the HT+ drying process; Press the optimization working process parameter combination adjusting process parameter of HT working steam pressure 0.6MPa, 87 ℃ of hot blast temperatures, humidity discharging throttle opening 31%, hot blast throttle opening 31%, drum speed 13r/min; All the other procedure technology parameter constants are produced the tobacco sample that obtains and are the optimization sample.The Tl content detection of two samples is seen table 3:
Table 3HT+ drying process is optimized sample and control sample Tl content detection result
Can find out that by table 3 the Tl amount has reduced by 13.59% than the control samples article in the tobacco sample that production obtains under HT+ baking silk optimization combination of process parameters, has tangible reduction Tl dose-effect fruit.
Sampling method and each the process optimization test data and the testing result of test are provided below:
(1) tobacco-dryer exit sampling: according to testing program, the adjusting process parameter, treat that the baking silk operates steadily after; According to the process time of material in operation; In a baking silk exit (1～2 meter), constant duration sampling 3 times (about 25Kg/inferior), need immediately the leaf silk is divided after naturally cooling to normal temperature on the ground of cleaning after the sampling to mix again; With about the about 40Kg of quartering keeping sample, as a sample A; Repeat above step after 5 minutes and get a parallel samples B again, it is subsequent use to carry out sign.
(2) test data of Tl content is following in each operation:
The loose operation test specimen of table 4 microwave, optimization sample and control sample Tl content detection result
| Sample | Tl(μg/g) | Microwave power (KW) | Process time (second) |
| Control sample | 0.0927 | 140 | 320 |
| Test appearance 1 | 0.0830 | 180 | 300 |
| Test appearance 2 | 0.0840 | 150 | 360 |
| Test appearance 3 | 0.0821 | 150 | 240 |
| Optimize sample | 0.0732 | 121 | 240 |
Table 5 loosening and gaining moisture operation test specimen, optimization sample and control sample Tl content detection result
Table 6HT+ drying process test specimen, optimization sample and control sample Tl content detection result
Explain: control sample is the sample by normal set technological parameter processing, and test specimen is to change the sample of processing behind the machined parameters, and optimizing sample is the sample of processing under the parameters optimization.
The index detected value that the present invention obtains under the optimization combination of process parameters is three explained hereafter products and detects mean value.
(3) tester is:
Icp ms (ICP-MS): VG PQ ExCell type (U.S. Thermo Electron company);
Microwave digestion system: Multiwave 3000 types are equipped with HP-100 type counteracting tank (Austrian Anton Paar company);
Direct-Q type ultrapure water equipment (U.S. Millipore company);
HNO3 (65%), H2O2 (30%) are top grade pure (German Merck company);
High-purity argon gas (99.999%, Sichuan Tianyi Science & Technology Co., Ltd);
Electronic balance: Mettler AX 504 types (Switzerland Mettler Toledo Inc.).
(4) icp ms (ICP-MS) assay method sample pre-treatments:
40 mesh sieves are pulverized and crossed to leaf silk sample 40 ℃ of oven dry down, then; Accurately take by weighing the sample 0.3g after sieving, place the interior jar of PFA of micro-wave digestion stove, add the HNO of 6mL 65%
3H with 2mL 30%
2O
2Solution.Digestion procedure: respectively be incubated 5min at 100 ℃, 130 ℃ and 160 ℃, be warmed up to 190 ℃ then and be incubated 10min again; After heating end, treat to take out counteracting tank when temperature is brought down below 60 ℃, then sample is transferred in the 50mL PET sample bottle of weighing in advance, with jar in about 42mL water washing PFA several times, washing lotion also is transferred in the sample bottle, shakes up after weighing.The preparation sample blank uses the same method.
Claims (1)
1. cigarette technological method for processing that reduces content of beary metal Tl; Comprise following operation: microwave is loose, loosening and gaining moisture, blade warming and humidifying, leaves moisting reinforced, storage leaf, chopping, HT+ baking silk, perfuming, storage silk, wraparound; It is characterized in that: the technological parameter of the loose operation of said microwave is: 121 kilowatts of microwave powers, 240 seconds process times; The technological parameter of loosening and gaining moisture operation is: vapour, (operating) water nozzle steam pressure 0.3MPa, 70 ℃ of return air temperatures, drum speed 13r/min; The technological parameter of HT+ drying process is: HT working steam pressure 0.6MPa, 87 ℃ of hot blast temperatures, humidity discharging throttle opening 31%, hot blast throttle opening 31%, drum speed 13r/min; The leaf silk warming and humidifying operation of HT for adopting tunnel type leaf silk warming and humidifying machine to carry out.
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| CN2010102883523A CN101940357B (en) | 2010-09-21 | 2010-09-21 | Cigarette processing technology with low heavy metal content T1 |
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| CN2010102883523A CN101940357B (en) | 2010-09-21 | 2010-09-21 | Cigarette processing technology with low heavy metal content T1 |
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| CN101940357A CN101940357A (en) | 2011-01-12 |
| CN101940357B true CN101940357B (en) | 2012-09-12 |
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| CN109380761B (en) * | 2018-10-12 | 2021-05-25 | 云南中烟工业有限责任公司 | Method for improving comprehensive quality of low-grade tobacco leaves |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004594A (en) * | 1974-01-19 | 1977-01-25 | Hauni-Werke Korber & Co., Kg | Method and apparatus for conditioning tobacco |
| CN1659985A (en) * | 2004-12-30 | 2005-08-31 | 将军烟草集团有限公司 | Method for threshing ad redrying tobacco by using microwave technology |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004594A (en) * | 1974-01-19 | 1977-01-25 | Hauni-Werke Korber & Co., Kg | Method and apparatus for conditioning tobacco |
| CN1659985A (en) * | 2004-12-30 | 2005-08-31 | 将军烟草集团有限公司 | Method for threshing ad redrying tobacco by using microwave technology |
Non-Patent Citations (3)
| Title |
|---|
| 周学政等.膨胀与干燥工序工艺参数对叶丝常规化学成分的影响.《湖北农业科学》.2010,第49卷(第1期),168－170. * |
| 唐士军等.重点工序工艺参数与主流烟气中CO量的关系研究.《郑州轻工业学院学报(自然科学版)》.2010,第25卷(第4期),20-23. * |
| 谭兰兰等.卷烟制丝工艺参数对主流烟气中苯并[a]芘释放量的影响.《安徽农业科学》.2010,第38卷(第1期),165－167. * |
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Address after: 610017 Jackie Chan Road, Chengdu economic and Technological Development Zone, Longquanyi District, Sichuan, China, No. 2, No. Applicant 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. Applicant before: China Tobacco Chuanyu Industrial Corporation |
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