CN102599645A - Method for lowering carbon monoxide content in main smoke of cigarette - Google Patents
Method for lowering carbon monoxide content in main smoke of cigarette Download PDFInfo
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- CN102599645A CN102599645A CN2012100393425A CN201210039342A CN102599645A CN 102599645 A CN102599645 A CN 102599645A CN 2012100393425 A CN2012100393425 A CN 2012100393425A CN 201210039342 A CN201210039342 A CN 201210039342A CN 102599645 A CN102599645 A CN 102599645A
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Abstract
The invention discloses a method for lowering carbon monoxide content in main smoke of cigarette. The method comprises the steps of: packaging tobacco leaves/cigarette finished product with cartons, wherein the stacking thickness is 26-72cm and the stacking density is 0.20-0.34g/cm<3>; and placing the cigarette cartons on a conveying device with conveying speed of 0.02-0.3m/s and irradiating with electron beam/X ray generated by an electron accelerator, wherein the energy of the electron accelerator is 5-10MeV, the beam current is 0.3-20mA, the beam power is 10-20kW, the maximum scanning width is 100cm, the scanning frequency is 5-15Hz, the irradiation dose is 1-10kGy, the working temperature is set at 5-35 DEG C, the cigarette cartons pass through a scanning window of the electron accelerator twice to undergo irradiation, the distance between the center of the cigarette carton and the scanning window of the electron accelerator is 40-60cm during irradiation, and the ambient humidity is limited to be not more than 60% during working.
Description
Technical field
The invention belongs to the irradiation technique application; Also belong to tobacco tar-reducing harm reduction technical field; Relate to the application of electron accelerator irradiation technology in reducing tobacco harm, especially a kind of electron accelerator irradiation treatment technology that can reduce carbon monoxide content in the cigarette mainstream flue gas.
Background technology
Tobacco is one of important industrial crops of China, in national economy, occupies an important position.At present, there are 1,100,000,000 smokers in the whole world, and in state-owned more than 300,000,000, smoking has become a kind of social group behavior.As far back as the thirties in 20th century just the someone to propose smoking meeting harm healthy, especially nineteen fifty Britain Royal Society of Medicine and U.S. doctor's political affairs general administration in 1964 formally deliver smoking and healthy relation report, it is harmful clearly to have proposed smoking.Along with people's is to the pay attention to day by day of health, cigarette suck the focus that security has become Recent study, cause showing great attention to of countries in the world government.
Carbon monoxide is a kind of important harmful substance in the cigarette mainstream flue gas; The control composition inventory that is put into 46 kinds of harmful components lists of Canadian government and WHO " tobacco product control research group " suggestion, China national tobacco monopoly bureau also with carbon monoxide as one of 7 kinds of harmful components of evaluating cigarette security.In smoking process, because reactions such as the thermal cracking of tobacco ingredient and burning can generate a large amount of carbon monoxide.Carbon monoxide through respiratory tract get into behind the alveolar very soon can with the very strong affinity of hemoglobin generation; Make hemoglobin form carbonyl haemoglobin; Stop the combination of oxygen and hemoglobin, hemoglobin will be hindered to the function of body tissue delivery oxygen, and then influence nervous centralis (brain) and the myocardial function the most responsive to the oxygen supply deficiency; Cause histanoxia, thereby make the people produce poisoning symptom.Therefore, carbon monoxide improves the target that the smoking security has become current international consensus and pursuit to the harm of health in the reduction cigarette mainstream flue gas, also is one of great research topic that needs to be resolved hurrily in the current tobacco industry development.
Taking a series of reducing tar and reducing harm measures aspect the cigarette process technology in the world; Developed various forms of filter tips, improve cigarette paper natural permeable degree, punching dilution, add technology such as Chinese herbal medicine and chemical addition agent, expanded cut tobacco, stem and reconstituted tobacoo (tobacco science and technology; 2000, (8): 3-6).Comprehensive utilization each item technology can be regulated the tar content of cigarette, but especially not obviously minimizing of carbon monoxide content of harmful components does not reach the purpose that improves the smoking security.In addition, along with the reduction of tar content, the smoke perfume composition also reduces thereupon, makes the cigarette desalination, also can change cigarette odor-absorbing, causes bad mouthfeel, can not satisfy smoker's requirement.In addition, the method that reduces carbon monoxide content in the flue gas through microwave processing method is arranged also, disclose a kind of cigarette technological method for processing of low CO content like one Chinese patent application CN 201010288102.X.This invention is to utilize microwave means through changing the content that the cigarette technology for making tobacco threds reduces carbon monoxide in the cigarette mainstream flue gas; Though carbon monoxide content has certain effect in the flue gas to reducing; But microwave equipment is expensive; Processing cost is high, is difficult for combining with existing tobacco processing technology, is difficult in the suitability for industrialized production and applies.Therefore, these treatment measures do not possess and conform with desirable selectivity, a kind of method that reduces carbon monoxide in the cigarette smoke of necessary exploitation.
Summary of the invention
A kind of method that can reduce carbon monoxide content in the cigarette mainstream flue gas that the object of the invention provides to above-mentioned existing in prior technology problem just; After its main feature is the electron beam or x-ray irradiation of tobacco leaf/finished cigarette through the electron accelerator generation; Can effectively reduce the carbon monoxide content in the flue gas; Improve the security of sucking of cigarette, and can desinsection, sterilization, and do not influence its sucking quality.
The objective of the invention is to realize through following technical scheme:
The method of carbon monoxide is characterized in that in the minimizing cigarette mainstream flue gas of the present invention, and said method comprises the steps:
A) tobacco leaf/finished cigarette is adopted packed in cases, the ulking thickness of tobacco leaf/finished cigarette in carton is 26～72cm, and bulk density is 0.20～0.34g/cm
3
B) packaged tobacco leaf/finished cigarette is placed on the conveyer, the transporting velocity of said conveyer is 0.02～0.3m/s;
C) place the tobacco leaf/finished cigarette on the conveyer to accept electron beam/x-ray irradiation that electron accelerator produces, the energy of said electron accelerator is 5～10MeV, and line is 0.3～20mA; Beam power is 10～20kW; Maximum sweep width is 100cm, and scan frequency is 5～15Hz, and irradiation dose is 1～10kGy; Said irradiation is taked the mode of secondary irradiation; Tobacco leaf/finished cigarette scans window through the conveyer transmission through electron accelerator twice accepts irradiation, once accepts half the irradiation dose, spins upside down smoke box behind the irradiation for the first time; For the second time the ray another side that passes smoke box carries out irradiation, the scanning window 40～60cm of smoke box centre distance electron accelerator during irradiation;
D) in the operating process of step c), the operating temperature of electron accelerator is set in 5～35 ℃ of scopes, and ambient humidity is limited in and is not more than 60%;
Accomplish above-mentioned steps a)～d) after; Tobacco leaf is rolled into cigarette, get some of the cigarette that rolls into or above-mentioned finished cigarettes, according to GB/T 19609-2004 specified standard condition; Utilize smoking machine anthropomorphic dummy smoking state; The using gases absorption bottle is gathered the carbon monoxide in the flue gas, adopts non-scattering infrared method to measure the content of carbon monoxide, with correspondence without the cigarette sample of irradiation as contrast.
In the disclosed technique scheme of the present invention; Improved the method for only simply carrying out irradiation in the prior art through electron accelerator; Through to each item parameters Optimization in the whole piece irradiation working chain; Promptly, significantly improved and used electron accelerator irradiation to reduce the effect of carbon monoxide content in the cigarette smoke through to multinomial parameters Optimization such as the energy of the transporting velocity of the distance between the ulking thickness of tobacco leaf/finished cigarette in carton, bulk density, carton and the electron accelerator scanning window, conveyer and electron accelerator, line, beam power, maximum sweep width, scan frequency, irradiation doses.
Said cigarette is that finished cigarette or tobacco leaf roll the cigarette that forms behind irradiation.
Said tobacco leaf can be any one of junior tobacco leaf, redried leaf tobacco, airing tobacco.
Said conveyer can be belt, roller rod-type, chain type.
Advantage of the present invention is:
(1) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention; Electron beam/x-ray irradiation that the electron accelerator that adopts produces has higher energy; Can effectively reduce the carbon monoxide in the flue gas, improve the security of sucking of cigarette, and can desinsection, sterilization; And do not influence its sucking quality, have practicality;
(2) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention adopts the electron accelerator irradiation technology to belong to emerging radiation processing technology, and irradiation efficiency is high; The irradiation good evenness, processing safety is strong, and equipment control is simple; Adaptability is strong, and is high in technological content, has novelty;
(3) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention adopts this green new and high technology of electron accelerator irradiation technology, for the tobacco tar-reducing harm reduction opens up a new way, has broad application prospects and great economic implications;
(4) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention; Adopt electron accelerator, be easy to combine with existing tobacco processing technology, can be according to present China tobacco processing technology; Design and manufacture and be applied to the special-purpose electron accelerator of tobacco irradiation; Be directly installed on electron accelerator in the streamline of tobacco processing, one process procedure as in the tobacco leaf processing process is easy to realize industrialization;
(5) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention, safety and sanitation, noresidue, free from environmental pollution;
(6) method of carbon monoxide in the minimizing cigarette mainstream flue gas of the present invention, it is low to consume energy, and can practice thrift cost.
The specific embodiment
For a better understanding of the present invention, further illustrate content of the present invention, but content of the present invention is not limited to following embodiment below in conjunction with embodiment.
Embodiment 1
Get junior tobacco leaf 150kg at random, every 50kg packing one case, totally 3 casees pack for the corrugated case of 70cm * 60cm * 50cm with long * wide * height, and the ulking thickness of tobacco leaf in carton is 26～72cm, and bulk density is 0.20～0.34g/cm
3It is on the conveyer of 0.02～0.3m/s that packaged tobacco leaf is placed transporting velocity; Place the tobacco leaf on the conveyer to accept electron beam/x-ray irradiation that electron accelerator produces, the energy of electron accelerator is 5～10MeV, and line is 0.3～20mA; Beam power is 10～20kW, and maximum sweep width is 100cm, and scan frequency is 5～15Hz; Irradiation dose is 1kGy, adopts the mode of secondary irradiation, and tobacco leaf scans window through the conveyer transmission through electron accelerator twice accepts irradiation; Once accept half the irradiation dose; For the first time spin upside down smoke box behind the irradiation, the ray another side that passes smoke box carries out irradiation, the scanning window 40～60cm of smoke box centre distance electron accelerator during irradiation for the second time; In the aforesaid operations process, the operating temperature of electron accelerator is set in 5～35 ℃ of scopes, and ambient humidity is limited in and is not more than 60%; After accomplishing above-mentioned steps, tobacco leaf is rolled into cigarette, get 40 of the cigarette that roll into; According to GB/T 19609-2004 specified standard condition; Utilize smoking machine anthropomorphic dummy smoking state, the using gases absorption bottle is gathered the carbon monoxide in the flue gas, adopts non-scattering infrared method to measure the content of carbon monoxide; With correspondence without the cigarette sample of irradiation as contrast, and suck evaluation.The result sees table 1.
Carbon monoxide content and variation thereof behind the first flue-cured tobacco predose of table 1
Embodiment 2
Get redried leaf tobacco 3 casees of standard container packing at random, carton length * wide * height is 113.6cm * 72cm * 72.5cm, the heavy 200kg of every case.Adopt the X ray of 5kGy dosage to carry out radiation treatment, tobacco leaf rolls through cigarette machine behind the irradiation, gets at random to meet and measures 40 of the cigarette that require; According to GB/T 19609-2004 specified standard condition; Utilize smoking machine anthropomorphic dummy smoking state, the using gases absorption bottle is gathered the carbon monoxide in the flue gas, adopts non-scattering infrared method to measure the content of carbon monoxide; With correspondence without the cigarette sample of irradiation as contrast, and suck evaluation.The result sees table 2.
Carbon monoxide content and variation thereof behind the table 2 redrying cigarette predose
Embodiment 3
Get finished cigarette 3 casees at random, carton length * wide * height is 47.5cm * 26cm * 59.5cm, the heavy 15kg of every case, 50 of quantity.Adopt the electron beam of 10kGy dosage to carry out radiation treatment; Get at random behind the irradiation and meet 40 of the cigarette that measure to require,, utilize smoking machine anthropomorphic dummy smoking state according to GB/T 19609-2004 specified standard condition; The using gases absorption bottle is gathered the carbon monoxide in the flue gas; Adopt non-scattering infrared method to measure the content of carbon monoxide, with correspondence without the cigarette sample of irradiation as contrast, and suck evaluation.The result sees table 3.
Carbon monoxide content and variation thereof behind the table 3 finished cigarette predose
Can know by table 1～3, the method for carbon monoxide content in the reduction cigarette mainstream flue gas of the present invention, electron accelerator irradiation is obvious to the degradation effect of carbon monoxide in the cigarette mainstream flue gas, but does not influence its sucking quality.
Above-described specific embodiment has carried out further explain to the object of the invention, technical scheme and beneficial effect.Institute it should be understood that the above is merely specific embodiment of the present invention, is not limited to the present invention, and is all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a method that reduces carbon monoxide content in the cigarette mainstream flue gas is characterized in that, said method comprises the steps:
A) tobacco leaf/finished cigarette is adopted packed in cases, the ulking thickness of tobacco leaf/finished cigarette in carton is 26～72cm, and bulk density is 0.20～0.34g/cm
3
B) have the carton of tobacco leaf/finished cigarette to place on the conveyer packing, the transporting velocity of said conveyer is 0.02～0.3m/s;
C) place the tobacco leaf/finished cigarette on the conveyer to accept electron beam/x-ray irradiation that electron accelerator produces,
The energy of said electron accelerator is 5～10MeV, and line is 0.3～20mA, and beam power is 10～20kW, and maximum sweep width is 100cm, and scan frequency is 5～15Hz, and irradiation dose is 1～10kGy,
Said irradiation is taked the mode of secondary irradiation; Tobacco leaf/finished cigarette scans window through the conveyer transmission through electron accelerator twice accepts irradiation; Once accept half the irradiation dose; For the first time spin upside down smoke box behind the irradiation, the ray another side that passes smoke box carries out irradiation, the scanning window 40～60cm of smoke box centre distance electron accelerator during irradiation for the second time;
D) in the operating process of step c), the operating temperature of electron accelerator is set in 5～35 ℃ of scopes, and ambient humidity is limited in and is not more than 60%;
E) accomplish above-mentioned steps a)～d) after; Tobacco leaf is rolled into cigarette, get some of the cigarette that rolls into or above-mentioned finished cigarettes, utilize smoking machine anthropomorphic dummy smoking state; The using gases absorption bottle is gathered the carbon monoxide in the flue gas, adopts non-scattering infrared method to measure the content of carbon monoxide.
2. the method for carbon monoxide content in the reduction cigarette mainstream flue gas according to claim 1 and 2; It is characterized in that; At above-mentioned steps e) in, the using gases absorption bottle is gathered the carbon monoxide in the flue gas, adopts non-scattering infrared method to measure the content of carbon monoxide; With correspondence without the cigarette sample of irradiation as contrast, the reduction degree of the content of carbon monoxide in the testing cigarette flue gas.
3. the method for carbon monoxide content is characterized in that in the reduction cigarette mainstream flue gas according to claim 1, and said cigarette is that finished cigarette or tobacco leaf roll the cigarette that forms behind irradiation.
4. the method for carbon monoxide content is characterized in that in the reduction cigarette mainstream flue gas according to claim 1, and said tobacco leaf is junior tobacco leaf, redried leaf tobacco or airing tobacco.
5. according to the method for carbon monoxide content in each described reduction cigarette mainstream flue gas of claim 1 to 5, it is characterized in that said conveyer is belt, roller rod-type or chain type.
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| CN 201210039342 CN102599645B (en) | 2012-02-21 | 2012-02-21 | Method for lowering carbon monoxide content in main smoke of cigarette |
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| CN 201210039342 CN102599645B (en) | 2012-02-21 | 2012-02-21 | Method for lowering carbon monoxide content in main smoke of cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767059A (en) * | 2013-12-20 | 2014-05-07 | 川渝中烟工业有限责任公司 | Threshing and redrying method for reducing CO release amount |
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| CN1486642A (en) * | 2003-06-13 | 2004-04-07 | 玉溪金灿科技有限公司 | Method of optimizing tobacco leaf as upper tobacco material |
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Patent Citations (5)
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| CN1486642A (en) * | 2003-06-13 | 2004-04-07 | 玉溪金灿科技有限公司 | Method of optimizing tobacco leaf as upper tobacco material |
| US20090071489A9 (en) * | 2003-10-27 | 2009-03-19 | Philip Morris Usa Inc. | In situ synthesis of composite nanoscale particles |
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Non-Patent Citations (1)
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| 王海燕等: "烟叶叶绿素金属配合物制备及其降低主流烟气CO的效率", 《郑州轻工业学院学报(自然科学版)》, no. 05, 15 October 2007 (2007-10-15) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767059A (en) * | 2013-12-20 | 2014-05-07 | 川渝中烟工业有限责任公司 | Threshing and redrying method for reducing CO release amount |
| CN103767059B (en) * | 2013-12-20 | 2015-10-14 | 川渝中烟工业有限责任公司 | Reduce the beating and double roasting method of CO burst size |
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