CN105004581A - Method for measuring puff-by-puff carbon monoxide in cigarette mainstream smoke - Google Patents
Method for measuring puff-by-puff carbon monoxide in cigarette mainstream smoke Download PDFInfo
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- CN105004581A CN105004581A CN201510389295.0A CN201510389295A CN105004581A CN 105004581 A CN105004581 A CN 105004581A CN 201510389295 A CN201510389295 A CN 201510389295A CN 105004581 A CN105004581 A CN 105004581A
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Abstract
The invention discloses a method for measuring puff-by-puff carbon monoxide in cigarette mainstream smoke. According to the method, a reconstructed cigarette maker is adopted. Cigarettes to be measured are successively sucked; solenoid valves on gas paths are respectively opened to respectively collect the gas phase composition in the cigarette smoke to be measured into gas phase materials gas-collecting bags; the gas-collecting bags are connected to a carbon monoxide analyzer; each gas-collecting bag is respectively opened according to the smoking order; and content of carbon monoxide in each puff of smoke gas phase composition is measured, and the content of carbon monoxide in the each puff of smoke is read by the carbon monoxide analyzer. By arranging ten solenoid valves and ten gas phase materials gas-collecting bags on a smoking machine and by controlling the smoking process of the smoking machine through a control system, each puff of gas phases of 20 cigarettes can be captured at a time so as to further measure the content of puff-by-puff carbon monoxide in cigarette mainstream smoke. The method has advantages of accuracy in measurement, good environmental adaptability, convenience in operation, high detection efficiency, good repeatability and strong practicality.
Description
Technical field
The invention belongs to cigarette quality detection field, be specifically related to a kind of method measured by mouth carbon monoxide in cigarette mainstream flue gas.
Background technology
Cigarette mainstream flue gas is to one of main contents that cigarette quality is evaluated, and wherein carbon monoxide in flue gas amount is the important indicator affecting safety cigarette.In current cigarette mainstream flue gas, the content of carbon monoxide is generally by a mensuration, and Cigarette design technology is mainly based upon on the basis of single cigarette analysis result, for the carbon monoxide of wherein every mouthful of suction generation, is then deduced by mathematical model.And aspiration procedure is assumed to and sets up in the ideal situation by mathematical model wherein, obvious this perfect condition and actual aspiration procedure variant unavoidably.In fact, during smoking cigarette, the carbon monoxide amount of sending in cigarette mainstream flue gas increases along with the shortening of cigarette length, and namely the content of carbon monoxide increases progressively by mouth.Therefore measure carbon monoxide in main flume by mouth delivering amount, for carbon monoxide in evaluating cigarette main flume to send rule significant, thus better for cigarette composition design and development is served.
Summary of the invention
The object of this invention is to provide a kind of method measured by mouth carbon monoxide in cigarette mainstream flue gas, realize once aspirating the trapping that can complete single port gas gas-phase objects each in cigarette mainstream flue gas, simple to operate, detection efficiency is high, reproducible.
To achieve these goals, the present invention adopts following technical scheme: a kind of method measured by mouth carbon monoxide in cigarette mainstream flue gas, comprises the steps:
1) sample prepares: according to GB/T 5606.1-2004 cigarette sampling standard, the cigarette of the same batch of same trade mark is positioned over temperature 22 ± 1 DEG C, balances more than 48h in the climatic chamber of relative humidity 60 ± 3%, then carry out the screening of resistance to suction and weight;
2) sample collection: by GB/T 16450-2004 national standard and ISO 3308:2012 tobacco business standard regulation, use the semi-automatic smoking machine of improved RM20 type temperature 22 ± 2 DEG C, aspirate in the environment of relative humidity 60 ± 5%, each takes turns 20 cigarette of suction same sample, each 35 ± the 0.3mL of pumping volume, puff duration 2s, suction frequencies 60s; During suction, gas circuit one solenoid valve I opened first automatically by smoking machine, starts electronic air extracting pump and aspirates, and 20 cigarette first gas phase compositions are collected in corresponding gaseous substance gas collection bag; After the first of 20 cigarette all aspirates and terminates, smoking machine stops electronic air extracting pump automatically, closes gas circuit one solenoid valve I, open gas circuit two solenoid valve I, second takes turns suction starts automatically, second take turns suction after, 20 cigarette second implication phase constituents are collected in corresponding gas collection bag; When 20 cigarette second mouthful suction is complete, stop electronic air extracting pump, close gas circuit two solenoid valve I, open gas circuit three solenoid valve I, restart electronic air extracting pump, the like, until cigarette all sucks, complete the gas phase composition trapping in other each single port cigarette smokes respectively; First by filling exhaust apparatus cleaning airbag and remaining flue gas in airbag of draining after flue gas analysis before gas collection bag trapping gas phase composition;
3) gas collection bag is received on carbonyl analyzer, open each gas collection bag respectively by suction sequence, the carbon monoxide content of each single port flue gas gas phase composition is measured, read single port CO content by carbonyl analyzer.
Further, the semi-automatic smoking machine of described improved RM20 type is provided with ten gaseous substance gas collection bags, described gaseous substance gas collection bag front end is provided with two-way electromagnetic valve I, one end of solenoid valve I is communicated with smoke absorbing end by electronic air extracting pump, and the other end of solenoid valve I is by the connection of pipeline and gas collection bag.
Further, exhaust apparatus is filled by a vacuum pump, a two-way electromagnetic valve II and a negative pressure pressure transducer composition described in.
Further, described smoking machine adopts PLC control system.
The present invention is by ten solenoid valves that smoking machine is arranged and ten gaseous substance gas collection bags, the aspiration procedure of smoking machine is controlled through control system, can the gas gas-phase objects of every single port of disposable trapping 20 cigarette, and then the content measured by mouth carbon monoxide in cigarette mainstream flue gas, measure accurately, good environmental adaptability, easy to operate, detection efficiency is high, reproducible, practical.
Accompanying drawing explanation
Fig. 1 is schematic diagram of gas circuit of the present invention.
In figure, 1, smoke absorbing end; 2, electronic air extracting pump; 3, solenoid valve I; 4, gas collection bag; 5, exhaust apparatus is filled; 501, solenoid valve II; 502, negative pressure pressure transducer; 503, vacuum pump.
Embodiment
The semi-automatic smoking machine of RM20 type (German Borgwaldt company) through transformation is used by the method for mouth carbon monoxide in mensuration cigarette mainstream flue gas of the present invention, described smoking machine is provided with ten gaseous substance gas collection bags 4, described gaseous substance gas collection bag 4 front end is provided with two-way electromagnetic valve I 3, one end of solenoid valve I 3 is communicated with smoke absorbing end 1 by electronic air extracting pump 2, the other end of solenoid valve I 3 by the connection of pipeline and gas collection bag 4, for switching in aspiration procedure main flume gaseous substance in corresponding flue gas gas collection bag 4.
Described smoking machine also connects one and fills exhaust apparatus 5, is made up of a two-way electromagnetic valve II 501, negative pressure pressure transducer 502 and a vacuum pump 503, is mainly used in cleaning airbag and remaining flue gas in airbag of draining after flue gas analysis.
Described smoking machine adopts PLC control system to control the opening and closing of gas circuit, and it is more convenient to operate.
Concrete assay method comprises the following steps:
1) sample prepares: according to GB/T 5606.1-2004 cigarette sampling standard, the cigarette of the same batch of same trade mark is positioned over temperature 22 ± 1 DEG C, balances more than 48h in the climatic chamber of relative humidity 60 ± 3%, then carry out the screening of resistance to suction and weight;
2) sample collection: by GB/T 16450-2004 national standard and ISO 3308:2012 tobacco business standard regulation, use the semi-automatic smoking machine of improved RM20 type temperature 22 ± 2 DEG C, aspirate in the environment of relative humidity 60 ± 5%, each takes turns 20 cigarette of suction same sample, each 35 ± the 0.3mL of pumping volume, puff duration 2s, suction frequencies 60s; During suction, gas circuit one solenoid valve I opened first automatically by smoking machine, starts electronic air extracting pump and aspirates, and 20 cigarette first gas phase compositions are collected in corresponding gaseous substance gas collection bag; After the first of 20 cigarette all aspirates and terminates, smoking machine stops electronic air extracting pump automatically, closes gas circuit one solenoid valve I, open gas circuit two solenoid valve I, second takes turns suction starts automatically, second take turns suction after, 20 cigarette second implication phase constituents are collected in corresponding gas collection bag; When 20 cigarette second mouthful suction is complete, stop electronic air extracting pump, close gas circuit two solenoid valve I, open gas circuit three solenoid valve I, restart electronic air extracting pump, the like, until cigarette all sucks, complete the gas phase composition trapping in other each single port cigarette smokes respectively; First by filling exhaust apparatus cleaning airbag and remaining flue gas in airbag of draining after flue gas analysis before gas collection bag trapping gas phase composition;
3) gas collection bag is received on carbonyl analyzer, open each gas collection bag respectively by suction sequence, the carbon monoxide content of each single port flue gas gas phase composition is measured, read single port CO content by carbonyl analyzer.
In the present embodiment, three parallel laboratory tests are carried out to certain trade mark cigarette sample, obtain experimental data as shown in table 1.
Each single port carbon monoxide in flue gas experimental data in table 1 cigarette sample
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| Parallel one group | 0.73 | 1.23 | 1.32 | 1.65 | 1.83 | 1.98 | 2.06 | 2.14 |
| Parallel two groups | 0.80 | 1.07 | 1.21 | 1.23 | 1.56 | 1.83 | 1.95 | 1.99 |
| Parallel three groups | 0.80 | 1.09 | 1.23 | 1.34 | 1.65 | 1.79 | 2.00 | 2.00 |
| Mean value | 0.78 | 1.13 | 1.25 | 1.41 | 1.68 | 1.87 | 2.00 | 2.04 |
The disposable gas gas-phase objects having trapped 20 every single port of cigarette of the present invention, and then measure the content by mouth carbon monoxide in cigarette mainstream flue gas, measure accurately, good environmental adaptability, easy to operate, detection efficiency is high, reproducible, practical.
Claims (4)
1. measure the method by mouth carbon monoxide in cigarette mainstream flue gas, it is characterized in that, comprise the following steps:
1) according to GB/T 5606.1-2004 cigarette sampling standard, the cigarette of the same batch of same trade mark is positioned over temperature 22 ± 1 DEG C, in the climatic chamber of relative humidity 60 ± 3%, balances more than 48h, then carry out the screening of resistance to suction and weight;
2) by GB/T 16450-2004 national standard and ISO 3308:2012 tobacco business standard regulation, use the semi-automatic smoking machine of improved RM20 type temperature 22 ± 2 DEG C, aspirate in the environment of relative humidity 60 ± 5%, each takes turns 20 cigarette of suction same sample, each 35 ± the 0.3mL of pumping volume, puff duration 2s, suction frequencies 60s; During suction, gas circuit one solenoid valve I opened first automatically by smoking machine, starts electronic air extracting pump and aspirates, and 20 cigarette first gas phase compositions are collected in corresponding gaseous substance gas collection bag; After the first of 20 cigarette all aspirates and terminates, smoking machine stops electronic air extracting pump automatically, closes gas circuit one solenoid valve I, open gas circuit two solenoid valve I, second takes turns suction starts automatically, second take turns suction after, 20 cigarette second implication phase constituents are collected in corresponding gas collection bag; When 20 cigarette second mouthful suction is complete, stop electronic air extracting pump, close gas circuit two solenoid valve I, open gas circuit three solenoid valve I, restart electronic air extracting pump, the like, until cigarette all sucks, complete the gas phase composition trapping in other each single port cigarette smokes respectively; First by filling exhaust apparatus cleaning airbag and remaining flue gas in airbag of draining after flue gas analysis before gas collection bag trapping gas phase composition;
3) gas collection bag is received on carbonyl analyzer, open each gas collection bag respectively by suction sequence, the carbon monoxide content of each single port flue gas gas phase composition is measured, read single port CO content by carbonyl analyzer.
2. in mensuration cigarette mainstream flue gas according to claim 1 by the method for mouth carbon monoxide, it is characterized in that, the semi-automatic smoking machine of described improved RM20 type is provided with ten gaseous substance gas collection bags, described gaseous substance gas collection bag front end is provided with two-way electromagnetic valve I, one end of solenoid valve I is communicated with smoke absorbing end by electronic air extracting pump, and the other end of solenoid valve I is by the connection of pipeline and gas collection bag.
3. in mensuration cigarette mainstream flue gas according to claim 1 and 2 by the method for mouth carbon monoxide, it is characterized in that, described in fill exhaust apparatus by a vacuum pump, a two-way electromagnetic valve II and negative pressure pressure transducer composition.
4. in mensuration cigarette mainstream flue gas according to claim 1 and 2 by the method for mouth carbon monoxide, it is characterized in that, described smoking machine adopts PLC control system.
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| CN201510389295.0A CN105004581A (en) | 2015-07-03 | 2015-07-03 | Method for measuring puff-by-puff carbon monoxide in cigarette mainstream smoke |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2570036A (en) * | 2017-11-16 | 2019-07-10 | Xyfil Ltd | Apparatus and methods for collecting emissions from a device |
| CN114217008A (en) * | 2021-12-15 | 2022-03-22 | 浙江中烟工业有限责任公司 | Based on CO2Cigarette combustion performance characterization method based on volume concentration ratio of CO |
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| US4019366A (en) * | 1975-11-04 | 1977-04-26 | Philip Morris Incorporated | Variable parameter smoking machine |
| US4836223A (en) * | 1985-10-19 | 1989-06-06 | Heinrich Burghart Elektro- Und Feinmechanik Gmbh | Cigarette smoking device |
| CN201517971U (en) * | 2009-11-05 | 2010-06-30 | 中国烟草总公司郑州烟草研究院 | Automatic puff-by-puff cigarette smoke trapping device |
| CN103196736A (en) * | 2013-04-16 | 2013-07-10 | 江苏中烟工业有限责任公司 | Puff-by-puff measuring method for carbon monoxide in main stream smoke of cigarette and special device thereof |
| CN204202946U (en) * | 2014-09-26 | 2015-03-11 | 江苏中烟工业有限责任公司 | Smoking machine is with by mouth granule phase substance and gas gas-phase objects capturing device |
| CN204422292U (en) * | 2015-02-09 | 2015-06-24 | 云南中烟工业有限责任公司 | A kind of full-automatic cigarette is by mouth flue gas gas collection bag gathering-device |
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2015
- 2015-07-03 CN CN201510389295.0A patent/CN105004581A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4019366A (en) * | 1975-11-04 | 1977-04-26 | Philip Morris Incorporated | Variable parameter smoking machine |
| US4836223A (en) * | 1985-10-19 | 1989-06-06 | Heinrich Burghart Elektro- Und Feinmechanik Gmbh | Cigarette smoking device |
| CN201517971U (en) * | 2009-11-05 | 2010-06-30 | 中国烟草总公司郑州烟草研究院 | Automatic puff-by-puff cigarette smoke trapping device |
| CN103196736A (en) * | 2013-04-16 | 2013-07-10 | 江苏中烟工业有限责任公司 | Puff-by-puff measuring method for carbon monoxide in main stream smoke of cigarette and special device thereof |
| CN204202946U (en) * | 2014-09-26 | 2015-03-11 | 江苏中烟工业有限责任公司 | Smoking machine is with by mouth granule phase substance and gas gas-phase objects capturing device |
| CN204422292U (en) * | 2015-02-09 | 2015-06-24 | 云南中烟工业有限责任公司 | A kind of full-automatic cigarette is by mouth flue gas gas collection bag gathering-device |
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| 丁超 等: "主流烟气中烟碱、焦油和一氧化碳的逐口递送规律", 《农产品加工 学刊》 * |
| 丁超 等: "卷烟主流烟气粒相物中逐口生物碱含量测定及其递送规律", 《烟草科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2570036A (en) * | 2017-11-16 | 2019-07-10 | Xyfil Ltd | Apparatus and methods for collecting emissions from a device |
| CN114217008A (en) * | 2021-12-15 | 2022-03-22 | 浙江中烟工业有限责任公司 | Based on CO2Cigarette combustion performance characterization method based on volume concentration ratio of CO |
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