CN110186996A - A kind of cigarette glows the on-line measurement device of side-stream smoke gas phase composition photo-ionisation efficiency curve - Google Patents
A kind of cigarette glows the on-line measurement device of side-stream smoke gas phase composition photo-ionisation efficiency curve Download PDFInfo
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- CN110186996A CN110186996A CN201910635351.2A CN201910635351A CN110186996A CN 110186996 A CN110186996 A CN 110186996A CN 201910635351 A CN201910635351 A CN 201910635351A CN 110186996 A CN110186996 A CN 110186996A
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 136
- 239000000779 smoke Substances 0.000 title claims abstract description 53
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 238000005259 measurement Methods 0.000 title claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003546 flue gas Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 33
- 241000251468 Actinopterygii Species 0.000 claims abstract description 27
- 239000010453 quartz Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 31
- 230000005469 synchrotron radiation Effects 0.000 claims description 12
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 8
- 239000012071 phase Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 8
- 238000001819 mass spectrum Methods 0.000 description 6
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000391 smoking effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004949 mass spectrometry Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 3
- 238000001269 time-of-flight mass spectrometry Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000004451 qualitative analysis Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 241001465805 Nymphalidae Species 0.000 description 1
- 239000012494 Quartz wool Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000002319 photoionisation mass spectrometry Methods 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
It glows the on-line measurement device of side-stream smoke gas phase composition photo-ionisation efficiency curve the invention discloses a kind of cigarette, it is characterized in that: the non-burning end of Cigarette is inserted into the cigarette socket of the stepping cigarette sample injector of the controllable cigarette direction of motion and speed, fire end stretches at the thick end portion inside center of fish tail cover, the tip portion outlet of fish tail cover is successively connected with flowmeter and diaphragm vacuum pump through cambridge filter clamper and by flue gas runner pipe, flue gas runner pipe between cambridge filter clamper and flowmeter is connected with a port for the flue gas transmission quartz capillary for passing through tube wall, the cavity wall that another port that flue gas transmits quartz capillary passes through photo-ionisation time of-flight mass spectrometer enters in vacuum ultraviolet ionized area.The configuration of the present invention is simple is suitable for on-line measurement cigarette and glows side-stream smoke gas phase composition photo-ionisation efficiency curve, to realize the online identification function to wherein isomer.
Description
Technical field
The invention belongs to cigarette smoke chemical composition analysis technical fields, and in particular to a kind of cigarette glows side-stream smoke gas
The on-line measurement device of phase constituent photo-ionisation efficiency curve, thus realize glow to cigarette it is different with point in side-stream smoke gas phase composition
The function that structure body is identified online.
Background technique
The burning of cigarette generally includes suction fuel and two ways of glowing, and wherein suction fuel refers to what cigarette was carried out when being sucked
Burning, glows, refers to the spontaneous firing that cigarette is carried out in suction gap.Not due to cigarette suction fuel and the combustion system to glow
Together, the cigarette smoke of two kinds of forms, i.e. main flume and side-stream smoke are thus just produced.It is sucked out when suction from cigarette filter end
Flue gas be known as main flume；Suction gap releases from fire end and is directly entered through cigarette paper diffusion the flue gas of environment
Referred to as side-stream smoke, wherein the former is the main source of cigarette side-stream smoke.Studies have shown that fresh cigarette mainstream flue gas and
Side-stream smoke is the aerosol of high concentration, high activity, especially wherein accounts for the gaseous substance that weight ratio is up to 90% or more
Property is active, and internal material composition variation is very fast.Therefore, in order to obtain nascent flue gas information, cigarette burning is furtherd investigate
The release characteristic of flue gas in the process, Scientific evaluation cigarette smoke quality, style and features and harmfulness, people use infrared spectroscopy side
Method and soft ionization mass spectrometry method have carried out many grind in terms of online, the real-time analysis of fresh components in cigarette smoke gas phase ingredient
Study carefully work.
Infra-red sepectrometry is a kind of quick, lossless analysis method.Currently, this method is in cigarette mainstream and sidestream smoke
It is widely used in the on-line analysis of gas gas phase composition.But infra-red sepectrometry is the specific absorption according to compound
Wavelength carries out qualitative and quantitative analysis to component, thus for complicated flue gas system, due to there is overlapping between spectral peak
And interference, this method can only analyze a small number of target substances in flue gas.
Vacuum ultraviolet ionized ionization time of flight is a kind of very outstanding, pervasive and quick detection hand
Section, it usually using vacuum UV lamp, laser or synchrotron radiation light as ionization light source, can be in a manner of soft ionization to having
Machine compound is ionized, and the parent ion of determinand is almost only generated, without generating fragment, so the technology is very suitable for
Online and in situ study is carried out to complex mixture.In recent years, Streibel et al. (Streibel T, Mitschke S, Adam
T,et al.Time-resolved analysis of the emission of sidestream smoke(SSS)from
cigarettes during smoking by photo ionisation/time-of-flight mass
spectrometry(PI-TOFMS):towards a better description of environmental tobacco
Smoke.Anal Bioanal Chem, 2013,405 (22): 7071-7082.) use the vacuum for making light source with laser purple for the first time
Outer photo-ionisation ionization time of flight on-line analysis cigarette side-stream smoke chemical component.Such technology has response speed
Fastly, high sensitivity and the advantages that suitable multi-analyte immunoassay, but since the photon energy that laser and vacuum UV lamp generate is usual
It is fixed, therefore vacuum laser ultraviolet light ionization source and vacuum UV lamp ionization source ionization time of flight can only usually be given
The Photoionization Mass Spectrometry figure under photon energy is fixed out, and isomer cannot be distinguished only according to mass spectrogram.Isomer
Although molecular weight is identical, its physics and chemical property are differentiated or even its organoleptic feature and harmfulness also have obviously
Difference.Therefore, in online and real-time analytic process, the isomer in cigarette smoke, which is identified and analyzed, has weight
Want meaning.
The vacuum ultraviolet ionized ionization time of flight of synchrotron radiation, be not only able under fixed photon energy measurement to
Survey substance Photoionization Mass Spectrometry figure, and can also using synchrotron radiation vacuum-ultraviolet light have wavelength can continuously adjustable spy
Point, by the way that the stable sample of sample introduction stream is sampled and measured, the photo-ionisation efficiency for obtaining different quality number chemical constituent is bent
Line carries out Qualitative Identification and quantitative comparison to isomer in test substance to realize.For example, Wang Chenghui et al. (Wang Cheng
Brightness, Hu Yonghua, Wang Jian wait the ionization energy of cigarette smoke chemical component to calculate and its apply tobacco section in qualitative analysis
Skill, 2011,293 (12): 26-33.) once flown using homemade manual cigarette smoke sampling syringe combination transmission synchrotron topography
A kind of photo-ionisation efficiency curve of gaseous phase of main stream smoke of cigarette chemical component of row time mass spectrum on-line measurement, and according on curve
" inflection point " obtain the ionization energy of material molecule, tentatively realize to identification isomeric in components in cigarette smoke gas phase object.Pan etc.
People (Pan Y, Hu Y H, Wang J, et al.Online characterization of isomeric/isobaric
components in the gas phase of mainstream cigarette smoke by tunable
synchrotron radiation vacuum ultraviolet photoionization time-of-flight mass
spectrometry and photoionization efficiency curve simulation.Analytical
Chemistry, 2013,85 (24): 11993-12001.) above-mentioned identical experimental provision is utilized, in combination with photo-ionisation efficiency
The simulation of curve has carried out more comprehensive identification to isomer in a kind of gaseous phase of main stream smoke of cigarette object.The applicant
A kind of gaseous phase of main stream smoke of cigarette ingredient photo-ionisation efficiency is disclosed in the patent application application No. is 201720575482.2
The measuring device of curve can be realized the cigarette main flue under standard cigarettes puffing regimens under on-line measurement difference puff number
Gas gas phase composition photo-ionisation efficiency curve.But since cigarette mainstream flue gas is different with the producing method of side-stream smoke, above-mentioned dress
Set the on-line measurement that can not be suitable for cigarette side-stream smoke gas phase composition photo-ionisation efficiency curve.In addition, tobacco business is extensive
The on-line analysis device of off-line analysis device and above-mentioned Streibel of the cigarette side-stream smoke used et al. report, usually
Cigarette filter end is inserted into the fixed cigarette clamper in position in smoking machine and stretches to fire end in fish tail cover,
Side-stream smoke is aspirated using vacuum pump simultaneously.When smoking machine periodically smoking cigarette, side-stream smoke can be generated periodically,
Stable flue gas sample introduction stream can not be provided.Even in the case where smoking machine allows cigarette to carry out nature and glows without suction,
Due to the progress with cigarette burning, cigarette length gradually shortens, and cigarette combustion cone moves closer to fish tail cover, can cause more
Flue gas adsorbs on the side wall of fish tail cover；On the other hand, since the air velocity of different parts in fish tail cover is different, cigarette burning
The combustion state of cone can be variant, to also will affect the stability of side-stream smoke sample introduction stream.So such analytical equipment is not yet
Suitable for the on-line measurement to cigarette side-stream smoke photo-ionisation efficiency curve, and at present also without cigarette side-stream smoke at light splitting
The measurement method of ionization efficiency curve and the report of device.
Summary of the invention
The present invention is to avoid above-mentioned existing deficiencies in the technology, provide a kind of result be simple and convenient to operate, cigarette
Gas sample introduction stream is stablized, the on-line measurement device for the side-stream smoke gas phase composition photo-ionisation efficiency curve that may be implemented to glow to cigarette,
To provide a kind of good skill for the isomer in tobacco scientific and technical personnel's on-line analysis cigarette side-stream smoke gas phase composition
Art means.
The present invention solves technical problem and adopts the following technical scheme that
A kind of cigarette of the present invention glows the measuring device of side-stream smoke gas phase composition photo-ionisation efficiency curve, its main feature is that:
Stepping cigarette sample injector, fish tail cover, photo-ionisation time of-flight mass spectrometer and flue gas are set and transmit quartz capillary；
The stepping cigarette sample injector includes: controller, servo motor, conveyer belt, cigarette sliding rail, " Π " type push rod and red
Outer probe；The controller is connected with the servo motor and the infrared probe respectively by conducting wire；The one of the conveyer belt
End is loaded in the rotation axis of the servo motor, the other end is loaded on driven shaft, and one end of " Π " the type push rod passes through
The sliding block being fixed on the conveyer belt is connected with the conveyer belt, the other end and be placed in the cigarette sliding rail can be inserted into cigarette
The cigarette socket of cigarette is connected；
The fish tail cover is " convex " type glass cylinder, is made of thick end portion and tip portion；In the fish tail cover
It is provided with that center vertical line is mutually perpendicular to and 2 circular holes in the same plane, one of circular hole are on the tube wall of thick end portion
Cigarette is inserted into circular hole, another circular hole is the infrared acquisition circular hole ipsilateral with the infrared probe；The taper end portion of the fish tail cover
The outlet divided is successively connected with flowmeter and diaphragm vacuum pump by cambridge filter clamper and by flue gas runner pipe；
The photo-ionisation time of-flight mass spectrometer is internally provided with synchrotron radiation vacuum-ultraviolet light intake and vacuum purple
Outer photo-ionisation area, outside are provided with top vacuum pumping opening and lower vacuum bleeding point；
Between a port and the cambridge filter clamper and the flowmeter of the flue gas transmission quartz capillary
Flue gas runner pipe be connected, another port pass through the photo-ionisation time of-flight mass spectrometer cavity wall enter vacuum-ultraviolet light
In ionized region.
A kind of cigarette of the present invention glow side-stream smoke gas phase composition photo-ionisation efficiency curve on-line measurement device the characteristics of
Lie also in: the traffic direction and the speed of service of the rotation axis of the servo motor can be set and be controlled by the controller, and
When Cigarette burns, the speed of service of the rotation axis can also be by the infrared probe and the automatic control of controller joint
System.
Compared with the prior art, the beneficial effects of the present invention are embodied in:
1, the present invention is glowed the producing method of side-stream smoke according to cigarette, conveys cigarette to be measured using stepping cigarette sample injector
Cigarette, and cigarette to be measured is placed in cigarette sliding rail, so that left and right offset will not occur when mobile for cigarette, while using infrared spy
The front-rear position of head monitoring cigarette combustion cone, it is ensured that combustion cone is burnt at the center of fish tail cover when cigarette glows, maximum limit
The supply of stabilization flue gas sample introduction stream when degree ground realizes mass spectrum sample introduction glows side-stream smoke to cigarette so as to preferably realize
The photo-ionisation efficiency curve of gas phase composition carries out online, real-time measurement.
2, the configuration of the present invention is simple, easy to operate is not only applicable to the special research cigarette of on-line measurement and glows sidestream smoke
The photo-ionisation efficiency curve of gas gas phase composition, and can also easily measure regular-size cigarette and glow the light of side-stream smoke gas phase composition
Ionization efficiency curve.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the side structure schematic view of servo motor of the present invention and rotation axis；
Figure label: 1 stepping cigarette sample injector, 2 controllers, 3 servo motors, 4 cigarette sliding rails, 5 cigarette sockets, 6 cigarette
Cigarette, 7 cigarette insertion circular hole, 8 infrared acquisition circular holes, 9 infrared probes, 10 driven shafts, 11 conveyer belts, 12 fish tail covers, 13 sliding blocks,
14 " Π " type push rods, 15 rotation axis, 16 cambridge filter clampers, 17 flue gas runner pipes, 18 flowmeters, 19 diaphragm vacuum pumps, 20
Flue gas transmits quartz capillary, 21 photo-ionisation time of-flight mass spectrometers, 22 vacuum ultraviolet ionized areas, 23 synchrotron radiation vacuum purples
Outer smooth intake, 24 top vacuum pumping openings, 25 lower vacuum bleeding points.
Fig. 3 be 1 cigarette of embodiment glow mass number in side-stream smoke gas gas-phase objects be respectively 54,78,92 and 106 several generations
The photo-ionisation efficiency curve of table flue gas composition.
Fig. 4 be 2 cigarette of embodiment glow mass number in side-stream smoke gas gas-phase objects be respectively 54,78,92 and 106 several generations
The photo-ionisation efficiency curve of table flue gas composition.
Specific embodiment
Below by way of specific embodiment, and in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, each composition part of device include: stepping cigarette sample injector 1, fish tail cover 12, photo-ionisation fly
Row time mass spectrum instrument 21 and flue gas transmit quartz capillary 20.
Stepping cigarette sample injector 1 is by controller 2, servo motor 3, conveyer belt 11, cigarette sliding rail 4,14 He of " Π " type push rod
The equal components composition of infrared probe 9.Wherein: controller 1 is connected with servo motor 3 and infrared probe 9 respectively by conducting wire；Conveyer belt
11 one end is loaded in the rotation axis 15 of servo motor 3, the other end is loaded on driven shaft 10；One end of " Π " type push rod 14
Be connected by the sliding block 13 being fixed on conveyer belt 11 with conveyer belt 11, the other end and be placed in cigarette sliding rail 4 can be inserted into cigarette
The cigarette socket 5 of cigarette 6 is connected.
Fish tail cover 12 is " convex " type glass cylinder, is made of thick end portion and tip portion；In the butt end of fish tail cover 12
It is provided with center vertical line on partial tube wall to be mutually perpendicular to and 2 circular holes in the same plane, one of circular hole is cigarette
It is inserted into circular hole 7, another circular hole is the infrared acquisition circular hole 8 ipsilateral with infrared probe 9；The outlet of the tip portion of fish tail cover 12
Successively it is connected with flowmeter 18 and diaphragm vacuum pump 19 by cambridge filter clamper 16 and by flue gas runner pipe 17.
Photo-ionisation time of-flight mass spectrometer 21 is internally provided with synchrotron radiation vacuum-ultraviolet light intake 23 and vacuum purple
Outer photo-ionisation area 22, outside are provided with top vacuum pumping opening 24 and lower vacuum bleeding point 25.
Flue gas transmits the flue gas between a port and cambridge filter clamper 16 and flowmeter 18 of quartz capillary 20
Runner pipe 17 is connected, and the cavity wall that another port passes through photo-ionisation time of-flight mass spectrometer 21 enters vacuum ultraviolet ionized area
In 22.
In specific implementation, the setting of controller 2 includes four kinds of modes, it may be assumed that travel at the uniform speed forward mode, travels at the uniform speed reverse
Mode, infrared acquisition mode and mode out of service.When starting travel at the uniform speed forward mode or travel at the uniform speed countercurrent fashion when, watch
The rotation axis 15 for taking motor 3 rotates forward or backwards rotation, makes cigarette socket 5 from there through conveyer belt 11 and " Π " type push rod 14
With Cigarette 6 by certain setting rate forward motion or reverse movement；When starting infrared acquisition mode, 5 He of cigarette socket
Cigarette 6 is only moved towards the direction of fish tail cover 12, and movement velocity is automatically controlled by infrared probe 9 and the joint of controller 2；When opening
When moving mode out of service, cigarette socket 5 and Cigarette 6 are stop motion.
Infrared probe 9 is loaded in one can be in up and down adjustment and the pedestal horizontally rotated；Flue gas transmits quartz capillary
20 part between flue gas runner pipe 17 and 22 cavity wall of vacuum ultraviolet ionized area of photo-ionisation time of-flight mass spectrometer 21
It is provided with electric heating cover, heating temperature is set and controlled by a dedicated temperature controller, and flue gas transmits quartz capillary
With gastight any side between 20 and flue gas runner pipe 17 and 22 cavity wall of photo-ionisation area of photo-ionisation time of-flight mass spectrometer 21
Formula is attached or fixes；The tip portion of fish tail cover 12 goes out can also be with gastight any between cambridge filter clamper 16
Mode is attached or fixes.
Photo-ionisation time of-flight mass spectrometer 21 used in the present invention is China Tobacco Anhui Industrial Co., Ltd. and China
The instrument of scientific and technical university's National Synchrotron Radiation Laboratory joint research and development, mass resolution are better than 2000, and light source both can be with
Using vacuum UV lamp, synchrotron radiation vacuum-ultraviolet light can also be made.When use synchrotron radiation vacuum-ultraviolet light makees ionization light source
When, measurement method can use both of which, and one is the detection patterns of fixed photon energy, and another kind is continuous scanning light
The detection pattern of sub- energy.Using synchrotron radiation vacuum-ultraviolet light as ionization light source in the present invention, and use continuous scanning light
The detection pattern of sub- energy.
Before experiment, the working power of photo-ionisation time of-flight mass spectrometer 21 is opened, its energy scan step-length, Mei Gezhi is set
The time of measuring and photon energy scanning range of spectrogram；Cambridge filter is packed into cambridge filter clamper 16；It is true to open diaphragm
Sky pump 19；Set the working flow of flowmeter 18；Set the heating temperature of flue gas transmission quartz capillary 20；Then, rotation is adjusted
The direction for saving fish tail cover 12 makes cigarette be inserted into 7 face cigarette sliding rail 4 of circular hole, and makes infrared acquisition circular hole 8 towards infrared probe 9,
The position for adjusting infrared probe 9 simultaneously, makes the thick end in infrared light emission hole and infrared acquisition circular hole 8 and fish tail cover 12 therein
The center divided is on the same line.When the vacuum degree of photo-ionisation time of-flight mass spectrometer 21 is met the requirements, flue gas transmits quartz wool
After the heating temperature of tubule 20 reaches set temperature and stablizes, sample test can be carried out.
In experimentation, it is first turned on the working power of controller 2, sets the movement rate of cigarette socket 5, starting is at the uniform velocity
Countercurrent fashion is run, cigarette socket 5 can be moved towards the opposite direction of fish tail cover 12 at this time, after moving to suitable position, be opened
Mode out of service is moved, Cigarette 6 to be measured is inserted into cigarette socket 5；Then start the forward mode that travels at the uniform speed, at this time cigarette
Branch socket 5 will drive Cigarette 6 towards fish tail cover 12 direction move, when 6 front end of Cigarette pass through cigarette insertion circular hole 7 and
More than when 4-5mm, being again started up mode out of service, 6 stop motion of Cigarette at the center of the thick end portion of fish tail cover 12；
Then ignition upward lighting cigarette cigarette 6 inside the port of the thick end portion of fish tail cover 12 is used, and starts control
The infrared acquisition mode of device 2 starts photo-ionisation time of-flight mass spectrometer 21 to cigarette smoke when 6 setting in motion of Cigarette
It measures.
After measurement, a series of Photoionization Mass Spectrometry figure under different photon energies can be obtained, then to each matter
The peak area of different mass spectra peaks is integrated in spectrogram, and the integrated value of same mass spectrum peak area maps to photon energy, i.e.,
Cigarette can be obtained to glow the photo-ionisation efficiency spectral curve of different quality number flue gas composition in side-stream smoke gas gas-phase objects.
Embodiment 1
Use that a kind of cigarette length is 24.2mm for 15cm, circumference and filterless special research cigarette is research pair
As；The internal diameter and length of flue gas transmission quartz capillary are respectively set as 100 μm and 25cm, and heating temperature is set as 200 DEG C；
The working flow of flowmeter is set as 2000mL/min；The energy scan step size settings of photo-ionisation time of-flight mass spectrometer are 4 angstroms,
The time of measuring of each mass spectrogram is set as 10 seconds, and photon energy scanning range is set as 8.0~10.6eV.Measurement terminates
Afterwards, it using photon energy values as abscissa, maps by ordinate of ion-intensity values, can be obtained different quality number flue gas composition
Photo-ionisation efficiency curve.
Cigarette mass number in side-stream smoke gas gas-phase objects of glowing is respectively that 54,78,92 and 106 several represent type flue gas composition
Photo-ionisation efficiency curve, referring to Fig. 3.
Embodiment 2
Substantially with embodiment 1, except that choosing, a kind of cigarette length is 84mm, yew paper length is 32mm, circumference
Conventional cigarette for 24.2mm is research object；And divide in the photon energy scanning range of 8.0~10.6eV 8.0-8.7eV,
Tri- sections of energy ranges of 8.7-9.6eV and 9.6-10.6eV measure respectively, i.e., first in the energy range measurement the of 8.0-8.7eV
One cigarette, then second cigarette is measured in the energy range of 8.7-9.6eV, finally measured in the energy range of 9.6-10.6eV
Third branch cigarette.After measurement, the photon energy of each scanning energy section and corresponding mass spectra peak ionic strength are incorporated into together
In one document, and using photon energy values as abscissa, maps by ordinate of ion-intensity values, can be obtained different mass-to-charge ratio cigarettes
Gas component is in the photo-ionisation efficiency curve that photon energy range is 8.0~10.6eV.
Cigarette mass number in side-stream smoke gas gas-phase objects of glowing is respectively that 54,78,92 and 106 several represent type flue gas composition
Photo-ionisation efficiency curve, referring to fig. 4.
Therefore, a kind of cigarette provided by the present invention glows the online survey of side-stream smoke gas phase composition photo-ionisation efficiency curve
Device is measured, can effectively realize and glow the progress of side-stream smoke gas phase composition photo-ionisation efficiency curve online to different type cigarette
Measurement, to scientifically identify and analyze the isomer that cigarette glows in side-stream smoke gas phase composition for tobacco scientific and technical personnel
Provide a kind of effective technical method and means.
Claims (2)
- The on-line measurement device of side-stream smoke gas phase composition photo-ionisation efficiency curve 1. a kind of cigarette glows, it is characterized in that: setting Stepping cigarette sample injector (1), fish tail cover (12), photo-ionisation time of-flight mass spectrometer (21) and flue gas transmit quartz capillary (20)；The stepping cigarette sample injector (1) include: controller (2), servo motor (3), conveyer belt (11), cigarette sliding rail (4), " Π " type push rod (14) and infrared probe (9)；The controller (2) by conducting wire respectively with the servo motor (3) and described Infrared probe (9) is connected；One end of the conveyer belt (11) is loaded in the rotation axis (15) of the servo motor (3), is another End is loaded on driven shaft (10)；One end of " Π " the type push rod (14) passes through the sliding block that is fixed on the conveyer belt (11) (13) it is connected with the conveyer belt (11), the other end can be inserted into the cigarette of Cigarette (6) with being placed in the cigarette sliding rail (4) Socket (5) is connected；The fish tail cover (12) is " convex " type glass cylinder, is made of thick end portion and tip portion；In the fish tail cover (12) center vertical line is provided on the tube wall of thick end portion to be mutually perpendicular to and 2 circular holes in the same plane, one of them Circular hole is that cigarette is inserted into circular hole (7), another circular hole is the infrared acquisition circular hole (8) ipsilateral with the infrared probe (9)；It is described The outlet of the tip portion of fish tail cover (12) by cambridge filter clamper (16) and by flue gas runner pipe (17) successively with stream Meter (18) is connected with diaphragm vacuum pump (19)；The photo-ionisation time of-flight mass spectrometer (21) is internally provided with synchrotron radiation vacuum-ultraviolet light intake (23) and true Empty ultraviolet light ionized region (22), outside are provided with top vacuum pumping opening (24) and lower vacuum bleeding point (25)；The a port and the cambridge filter clamper (16) and the flowmeter of flue gas transmission quartz capillary (20) (18) the flue gas runner pipe (17) between is connected, another port passes through the chamber of the photo-ionisation time of-flight mass spectrometer (21) Wall enters in vacuum ultraviolet ionized area (22).
- The on-line measurement of side-stream smoke gas phase composition photo-ionisation efficiency curve 2. a kind of cigarette according to claim 1 glows Device, it is characterized in that: the traffic direction of the rotation axis (15) of the servo motor (3) and the speed of service can be by the controllers (2) it sets and controls, and when Cigarette (6) burn, the speed of service of the rotation axis (15) can also be by described infrared It pops one's head in (9) and the controller (2) joint automatically controls.
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| CN201910635351.2A CN110186996B (en) | 2019-07-15 | 2019-07-15 | Online measurement device for photoelectric efficiency curve of gas phase component of smoldering side stream smoke of cigarette |
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| CN111426785A (en) * | 2020-04-17 | 2020-07-17 | 云南中烟工业有限责任公司 | Simulated motion and environment airflow detection device for cigarettes |
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| CN110186996B (en) | 2024-02-13 |
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