CN103284313B - Cylinder drum tubular plate type cut tobacco dryer is adopted to reduce the baking silk method of cigarette ammonia burst size - Google Patents
Cylinder drum tubular plate type cut tobacco dryer is adopted to reduce the baking silk method of cigarette ammonia burst size Download PDFInfo
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Abstract
The present invention discloses a kind of baking silk method adopting cylinder drum tubular plate type cut tobacco dryer to reduce cigarette ammonia burst size, and concrete technological parameter is as follows: HT entrance supplied materials moisture: 20%; HT steam pressure: 0.4MPa; Hot blast temperature: 110 DEG C; Hot blast throttle opening and humidity discharging throttle opening are respectively 47.3% and 30.1%; Dry silk cylinder rotating speed: 9rmp.It is advantageous that this law is by controlling drying process, combination adjustment is carried out to technological parameter, reaches the object reducing cigarette ammonia burst size, explore Harm reduction techniques and fall burnt new way, there is important theory significance and actual application value.The present invention carries out screening to the emphasis parameter in drying process and assert and be optimized within the scope of production technology, is ensureing, under the prerequisite that Sensory Quality of Cigarette is stable, effectively to reduce ammonia of main stream smoke of cigarette burst size.
Description
Technical field
The invention belongs to Harm reduction techniques field, relate to a kind of method reducing cigarette ammonia burst size, be specifically related to a kind of method that technological parameter by adjustment baking silk equipment reduces cigarette ammonia burst size.
Background technology
" prevent Exposure To Tobacco smog " in " Framework Convention on Tobacco Control ", " control of tobacco composition and disclosure " Liang Ge criterion calls national governments work up more severe " Tobacco Control " laws and regulations, impel tobacco productive corporation while reduction releasing content of coke tar in cigarette, more strictly to control the burst size of main harmful components in cigarette smoke, increase the pressure of industry lowering harm and decreasing coking further, smoking and health are the significant challenge that tobacco business faces, and lowering harm and decreasing coking is related to the survival and development of tobacco business.
For addressing these problems, State Tobacco Monopoly Bureau has printed and distributed " State Tobacco Monopoly Bureau is about the notice advancing lowering harm and decreasing coking work further " (No. (2006) 412, domestic cigarettes section) on June 16th, 2006, proposes new requirement to lowering harm and decreasing coking work.This notice will comprise cigarette smoke 7 kinds of harmful components of ammonia as the important indicator characterizing cigarette mainstream flue gas biohazardous.
Ammonia is a kind of alkaline gas in air, is mainly derived from tobacco leaf modulation and amino acid, protein, nitrate, ammonium salt, acid amides, alkaloid and nitrogen-containing heterocycle compound in sweat.Ammonia in main flume gas phase and grain mutually in have existence.In cigarette, appropriate ammonia is necessary for carbohydrate and the more cigarette of organic acid, but excess of ammonia can produce strong impulse, smoker throat is caused to occur contraction, feel to choke and cough, nasal cavity, tongue have pungent sensation unbearably, and long-term suction can cause more serious harm to human body.
For promoting the enforcement of the strategic problem of tobacco business lowering harm and decreasing coking further, Harm reduction techniques is advanced to fall carrying out in a deep going way of burnt work, State Tobacco Monopoly Bureau has printed and distributed " State Tobacco Monopoly Bureau is about the suggestion advancing lowering harm and decreasing coking work further " (No. (2008) 471, domestic cigarettes section) on August 27th, 2008, clearly propose, by 2010, whole nation cigarette obtains remarkable breakthrough in 7 kinds of harmful components such as selective reduction ammonia, is formed and a collection ofly has the core technology of independent intellectual property right and be applied in industry focus shaft cigarette brand.And think and should strengthen the influence research of raw tobacco material, Cigarette processing technique and auxiliary material design to harmful constituents in cigarette flue gas burst size, for lowering harm and decreasing coking application technical research and less harmful product development are provided fundamental basis.
How to reduce the ammonia content in cigarette mainstream flue gas, reduce smoking to the harm of health, there is much research in recent years, mainly by reducing the ammonia content in cigarette smoke to the improvement of cigarette filter tip material, and less for the report being reduced cigarette main flue gas ammonia burst size by process.Chinese patent ZL 201010288157.0 discloses a kind of cigarette processing method reducing ammonia content,, loosening and gaining moisture loose from microwave and HT+ dry silk three operations and carry out process parameter optimizing respectively, all reach the object reducing ammonia burst size in cigarette smoke, thus reach and optimize whole technology for making tobacco threds parameter and reduce the object of ammonia burst size, what dry the employing of silk section in patent is cylinder Rotary drier, does not limit the baking silk equipment of other type.Dry the critical process that silk is production of cigarettes, drying silk technological parameter can produce material impact to cut tobacco physics, sense organ and chemical quality after baking, is the emphasis of technology for making tobacco threds research.
Realizing in process of the present invention, inventor finds to there is following technical problem in prior art:
1, each research institution have ignored specific baking silk technical parameter to the impact of the burst size of ammonia;
2, differently dry the burst size of silk equipment on cigarette product ammonia in flue gas to affect difference huge;
3, due to the particularity of tobacco product, strict requirement is had to baking silk moisture content of outlet, be generally 12% ± 0.5%, under guarantee equipment safety operation and Product Usability prerequisite, combination parameter can only be chosen control in respective adjustable extent, and determine that a parameters combination needs through a large amount of research experiments;
4, pilot production cost is large, and single test only raw material drops into 5-8 ton, cost more than 400,000, and needs to ensure that product can not become waste product in process of the test, adds the difficulty obtaining test data;
The parameter of 5, drying silk technique by adjustment reduces pernicious gas burst size, make to fall harmful effect reach best while, also to ensure that the aesthetic quality of cigarette remains on higher level difficulty large.
Summary of the invention
The object of the invention is, adopt cylinder drum tubular plate type cut tobacco dryer, by the drying process of adjustment cigarette primary processing technique, reduce cigarette ammonia burst size, Sensory Quality of Cigarette also will be kept simultaneously to stablize.
The object of the present invention is achieved like this, a kind of baking silk method adopting SH314C type cylinder drum tubular plate type cut tobacco dryer to reduce cigarette ammonia burst size is provided, software Design expert 7.1.3 is used to carry out experimental design to technological parameter, carry out testing according to the experimental program designed and detect sample mainstream smoke gas ammonia burst size, draw equation: ammonia=11.2-0.149*HT steam pressure-0.099* hot blast temperature+0.161* humidity discharging throttle opening-0.279*HT steam pressure * entrance material water ratio, according to aforesaid equation and experimental verification, obtain the technological parameter after optimization as follows:
1), HT entrance supplied materials moisture: 20%;
2), HT steam pressure: 0.4MPa;
3), hot blast temperature: 110 DEG C;
4), hot blast throttle opening is 47.3%, and humidity discharging throttle opening is 30.1%;
5) silk cylinder rotating speed, is dried: 9rmp.
HT is the cut tobacco warming and humidifying operation adopting tunnel type cut tobacco warming and humidifying machine to carry out.
Corresponding Optimizing Process Parameters combination more than drying process application, effectively can reduce obtained cigarette product ammonia in flue gas burst size and keep Sensory Quality of Cigarette to stablize simultaneously.
The invention has the beneficial effects as follows, control technology for making tobacco threds key point---drying process, under the prerequisite keeping Sensory Quality of Cigarette stable, select specific baking silk equipment---cylinder drum tubular plate type cut tobacco dryer carries out parameters combination adjustment, reach the object reducing cigarette ammonia burst size, explore Harm reduction techniques and fall burnt new way, there is important theory significance and actual application value.
The present invention carries out screening to the emphasis parameter in drying process and assert and be optimized within the scope of production technology, is ensureing, under the prerequisite that Sensory Quality of Cigarette is stable, effectively to reduce cigarette ammonia burst size.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further elaborated.
Embodiment 1:
The model of the present embodiment cylinder drum tubular plate type cut tobacco dryer used is SH314C, and Qinhuangdao Tobacco Machinery Co., Ltd. manufactures.The technology for making tobacco threds drying process cylinder drum tubular plate type cut tobacco dryer device parameter formulated by enterprise is produced the tobacco sample that obtains as blank sample; At silk producing procedures, tobacco sample that technique adjustment obtains is carried out for optimizing sample: HT entrance supplied materials moisture is 20% according to following parameter, HT steam pressure is 0.4MPa, hot blast temperature is 110 DEG C, hot blast throttle opening and humidity discharging throttle opening are respectively 47.3% and 30.1%, and drying silk cylinder rotating speed is 9rmp; Drying process carries out test parameters adjustment, and to produce the tobacco sample that obtains be test specimen; The flue gas ammonia burst size of three kinds of samples and sensory evaluating smoking's score are in table 1.
Table 1:
As can be seen from Table 1, at the key point of technology for making tobacco threds---drying process, change above technological parameter, the tobacco sample ammonia in flue gas burst size obtained can be produced and reduce 1.87% than blank sample, and sensory evaluating smoking must be divided into 82.5, compares with blank sample, aesthetic quality keeps stable.
The present invention is by experimental design, and screen each parameter of equipment, determine important test parameters, and these parameters be optimized, the concrete steps of optimizing process are as follows:
(1) for model be the cylinder drum tubular plate type cut tobacco dryer of SH314C, choose following controlled emphasis parameter and combine, and determine parameters scope, each parameter area is in table 2.
Table 2:
Factor | Title | Unit | Type | Lower limit | Reach the standard grade |
A | HT steam pressure | Mpa | Numeric type | 0.1 | 0.4 |
B | Hot blast temperature | ℃ | Numeric type | 70 | 110 |
C | Hot blast throttle opening | % | Numeric type | 30 | 100 |
D | Humidity discharging throttle opening | % | Numeric type | 30 | 100 |
E | Drum speed | rpm | Numeric type | 9 | 13 |
F | Entrance material water ratio | % | Numeric type | 18 | 20 |
(2) use software Design expert 7.1.3 to carry out experimental design to above-mentioned factor, carry out testing according to the experimental program designed and detect sample mainstream smoke gas ammonia burst size, the results are shown in Table 1.
(3), after using software Design expert 7.1.3 to analyze, following equation is drawn:
Ammonia=11.2-0.149*HT steam pressure-0.099* hot blast temperature+0.161* humidity discharging throttle opening-0.279*HT steam pressure * entrance material water ratio.
(4) according to aforesaid equation, with minimum ammonia burst size for optimization aim, obtaining HT entrance supplied materials moisture is 20%, HT steam pressure is 0.4MPa, and hot blast temperature is 110 DEG C, and hot blast throttle opening and humidity discharging throttle opening are respectively 47.3% and 30.1%, when baking silk cylinder rotating speed is 9rmp, through checking, adopt the parameter after optimizing to carry out baking silk, mainstream smoke gas ammonia burst size is minimum is 10.5 μ g/cig.
Claims (1)
1. the baking silk method adopting cylinder drum tubular plate type cut tobacco dryer to reduce cigarette ammonia burst size, it is characterized in that, software Designexpert 7.1.3 is used to carry out experimental design to technological parameter, carry out testing according to the experimental program designed and detect sample mainstream smoke gas ammonia burst size, draw equation: ammonia=11.2-0.149*HT steam pressure-0.099* hot blast temperature+0.161* humidity discharging throttle opening-0.279*HT steam pressure * entrance material water ratio, according to aforesaid equation and experimental verification, obtain the technological parameter after optimization as follows:
1), HT entrance supplied materials moisture: 20%;
2), HT steam pressure: 0.4MPa;
3), hot blast temperature: 110 DEG C;
4), hot blast throttle opening is 47.3%, and humidity discharging throttle opening is 30.1%;
5) silk cylinder rotating speed, is dried: 9rmp;
The model of described cylinder drum tubular plate type cut tobacco dryer is SH314C type.
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US6786221B2 (en) * | 1997-04-21 | 2004-09-07 | Kerry Scott Lane | Method and system for assay and removal of harmful toxins during processing of tobacco products |
CN101946978A (en) * | 2010-09-21 | 2011-01-19 | 川渝中烟工业公司 | Processing technology of cigarette with low ammonia content |
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US6786221B2 (en) * | 1997-04-21 | 2004-09-07 | Kerry Scott Lane | Method and system for assay and removal of harmful toxins during processing of tobacco products |
CN101946978A (en) * | 2010-09-21 | 2011-01-19 | 川渝中烟工业公司 | Processing technology of cigarette with low ammonia content |
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Effective date of registration: 20170106 Address after: Nanping Nan'an District of Chongqing City Road 400060 No. 2 Patentee after: CHONGQING CHINA TOBACCO INDUSTRIAL CO., LTD. Patentee after: CHINA TOBACCO SICHUAN 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 Industry Co., Ltd. |