CN106596196A - Elevation-type cigarette side-stream smoke aerosol rapid collecting hood and detection method thereof - Google Patents
Elevation-type cigarette side-stream smoke aerosol rapid collecting hood and detection method thereof Download PDFInfo
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- CN106596196A CN106596196A CN201611162431.3A CN201611162431A CN106596196A CN 106596196 A CN106596196 A CN 106596196A CN 201611162431 A CN201611162431 A CN 201611162431A CN 106596196 A CN106596196 A CN 106596196A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/2264—Sampling from a flowing stream of gas with dilution
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Abstract
The invention relates to an elevation-type cigarette side-stream smoke aerosol rapid collecting hood and a detection method thereof. The elevation-type cigarette side-stream smoke aerosol rapid collecting hood comprises a collecting hood body, an electric elevation table and a base support, which are successively connected from top to bottom; the collecting hood body comprises a cylindrical hood body with an air inlet and a funnel hood body connected to the upper end of the cylindrical hood body in a sealing manner; the upper end of the funnel hood body is provided with a funnel hood body exhaustion pipe, the outer side of the funnel hood body exhaustion pipe is sleeved with a pre-dilution casing pipe, the bottom end of the pre-dilution casing pipe is fixed to the outer surface of the funnel hood body in a sealing manner, and the bottom is provided with a pre-dilution air inlet; the base support is fixedly provided with a smoke suction pipeline coaxially arranged with the collecting hood body; the smoke suction pipeline penetrates through the electric elevation table and a central hole of a bottom end cover of the cylindrical hood body and is connected with a smoke suction machine; a cigarette is fixed to the smoke suction pipeline by virtue of a cigarette clamping device and coaxially and vertically installed; and the electric elevation table is used for driving the collecting hood body to integrally move downwards, a descending speed is equal to a smoldering rate of the cigarette, and a distance from a cigarette burning cone to the inlet of the funnel hood body exhaustion pipe is ensured to be 15 to 20 mm.
Description
Technical field
The present invention relates to Medicated cigarette studying technological domain, specially a kind of lift cigarette side flow smoke aerosol Quick Acquisition
Cover and its detection method.
Background technology
Cigarette burning includes two kinds of fired states, i.e. suction fuel process and smoldering process.Suction fuel process can be from cigarette end shape
Into main flume aerosol, and smoldering process then can produce substantial amounts of side-stream smoke aerosol near cigarette combustion cone, the mistake
The columnar material smoldering process such as journey and Buddhist perfume, Lignum Santali Albi, scented incense are similar.
Main flume and side-stream smoke through it is a series of the process such as mix, be aged after can soil boy structure flue gas, cause interior
Quality of air environment declines.In addition, the impact that smoking is caused to health is always the focus of medical domain research.To Medicated cigarette
For production industry, Reasonable Regulation And Control Medicated cigarette hazardness composition realizes that reducing tar and reducing harm is also one of target that cigarette industry is pursued.
There are some researches show, side-stream smoke, due to the seriality of generation process, is the significant contributor of environment flue gas formation.
Side-stream smoke aerosol sub-micron, micron level particle size are less, but to components such as polycyclic aromatic hydrocarbon (PAHs), heavy metals
With stronger enrichment, load, carrying capacity, its toxicity is higher, and the negative effect that health is caused can not be ignored.It can be seen that
Trapping analysis are carried out to cigarette side flow smoke aerosol, there is important reference value to medical science, environmental protection, tobacco business.
Detect and old for the research of cigarette side flow smoke aerosol particulate matter is concentrated mainly on its concentration components at present
The aspects such as change behavior.Generation, collection, the enriching apparatus that fish tail cover is adopted as side-stream smoke more,《YC/T 185-2004 Medicated cigarette
Coal-tar middle oil and nicotine the measure of side-stream smoke》And nicotine detection method, step coal-tar middle oil to side-stream smoke etc. have been made detailed
Regulation, current side-stream smoke particle concentration detection also over-borrowing method in view of this in standard.Chinese invention patent prospectus
The A of CN 101923035 disclose a kind of detection method of side-stream smoke aerosol particle thing concentration, and CN102854041 A are disclosed
A kind of capture method of side-stream smoke aerosol particle thing concentration.Above-mentioned two patent is using fish tail cover as side-stream smoke gas
The collection cover of colloidal sol.Particularly the A of patent CN 101923035, fish tail cover is coupled together with particulate matter dilution system, offside
Stream flue gas aerosol Concentration Testing has important reference value.
But, because fish tail cover common-size is：Bottom oblong openings size 100mm × 20mm, after reducing, its
Elongated cylinder exhaustor internal diameter size 30mm, this structure interior surface product increased particulate matter with fish tail cover wall than larger
Making contact probability.Further, since Medicated cigarette is horizontal being placed at the about 15-20mm positions of fish tail cover bottom, the side-stream smoke of formation
Streamline direct of travel be straight up, it is orthogonal with the horizontal direction of Medicated cigarette to intersect, cause side-stream smoke aerosol easily to touch
Hit and caused damage on wall.
Following problem must be noted that using this fish tail cover structure and Medicated cigarette arrangement in actually detected process：1st, environment
Air will have higher flow stability, be not allow for larger flow perturbation, the side-stream smoke streamline that otherwise horizontal Medicated cigarette is produced
Disorder, and easily escape from fish tail cover bottom；2nd, further, since fish tail cover bottom adopts unenclosed construction, then must assure that
Surrounding air has higher cleanliness factor during test, prevents the particulate matter in surrounding air from interfering to testing result；3rd, due to
The neighbouring flow rate of ambient air of Medicated cigarette is by standard requirement general control in 200 ± 30mm/s, fish tail cover bottom oblong openings area
100mm × 20mm=2000mm2, then air mass flow is then certain in cover body, according to flow=cross sectional flow rate × cross section
Product understands that flow is 24L/min, and its air mass flow is larger, and control difficulty is big.And the elongated exhaust pipe length of fish tail cover is about
400mm, internal diameter is about 20mm, then flowing time=exhaust pipe length/flow velocity of the particulate matter in fish tail cover, flowing time is about
For 1.25s, the time is relatively long, easily causes particulate matter adhesion, ageing, causes detection error；4th, in addition, fish tail cover wall temperature
Degree is relatively low, causes side-stream smoke particulate matter to be easily condensate on wall；5th, due to it is current commercialization smoking machine design restriction,
Generally adopt the horizontal mode of Medicated cigarette, because Medicated cigarette length is gradually shortened, need by the way of mobile fish tail cover in actual test
Enable the side-stream smoke aerosol streamline for producing in time by fish tail cover central axis, otherwise easily cause particulate matter to strike
On fish tail cover wall, detection error is caused；6th, because side-stream smoke aerosol particle thing concentration is higher, high concentration inspection is directly carried out
It is more serious that survey may result in condensation agglomeration of the particulate matter in pipeline, particulate matter detecting instrument overload etc., cause compared with
Big detection error.
The content of the invention
For problems of the prior art, the present invention provides a kind of lift cigarette side flow smoke aerosol and quickly adopts
Collection cover and its detection method, cost is relatively low, and simple to operate, practical function, environment resistant interference performance is strong.
The present invention is to be achieved through the following technical solutions：
A kind of lift cigarette side flow smoke aerosol Quick Acquisition cover, including the collection cover being sequentially connected from top to bottom
Body, electric lifting platform and base support；The collection cover body includes arranging the cylinder cover body of air inlet and is sealedly connected on cylinder
The funnel cover body of cover body upper end；Funnel cover body upper end arranges funnel cover body exhaustor, is arranged with the outside of funnel cover body exhaustor
Pre-dilution sleeve pipe, pre-dilution casing shoe is fixed with funnel cover body appearance face seal, and bottom is provided with pre-dilution gas air inlet；Institute
The smoking pipeline being coaxially disposed with collection cover body is fixed with the base support stated；Smoking pipeline one end extends through electric up-down
Platform and cylinder cover body bottom head covers centre bore, other end connection smoking machine；Medicated cigarette is fixed through cigarette clamper with smoking pipeline
And it is coaxial vertically-mounted；Described electric lifting platform is used to drive collection cover body integrally to move down, and decrease speed is equal to Medicated cigarette
Smoldering rate, it is ensured that the distance between import of cigarette combustion cone and funnel cover body exhaustor is 15-20mm.
Preferably, the air inlet on cylinder cover body be the symmetrically arranged multiple tangential swirl air inlets of sidewall bottom, cylinder
Cover body is fixedly arranged in the middle of porous cowling panel；The inserting end of smoking pipeline is through the center for being placed in porous cowling panel.
Preferably, pre-dilution sleeve pipe includes the cylinder casing being set in outside funnel cover body exhaustor, and is connected to cylindrical sleeve
Pre-dilution casing hopper vertebral body structure on pipe；The port of export of funnel cover body exhaustor is located at pre-dilution casing hopper vertebral body structure
It is interior；Cylinder casing bottom arranges two symmetrical pre-dilution gas air inlets, and the outlet of pre-dilution casing hopper vertebral body structure is arranged
There is pre-dilution cannula exit threeway.
Further, pre-dilution sleeve pipe is made using antistatic glass, and outside is coated with heat-insulation layer, and pre-dilution gas air inlet connects
Enter 150-200 DEG C of pure air.
Preferably, the electric lifting platform lower surface is bolted on the platform of base support, upper surface and circle
Barrel cover body bottom head covers are fixed by the bolt on flange.
Preferably, the rising or falling speed of electric lifting platform is adjusted by controller, and elevating mechanism is hinged scissor-type machine using double
Structure.
Preferably, cylinder cover body and funnel cover body are made using antistatic glass.
Preferably, cylinder cover body bottom head covers centre bore inner side is provided with groove, groove embedded seal ring, sealing ring and smoking
Pipeline outside wall surface is in sealing contact；Smoking pipeline is fixedly installed on base support by fixed cutting ferrule.
A kind of lift cigarette side flow smoke aerosol method for quick, is covered based on collection of the present invention, including
Following steps,
Step 1, is measured to Medicated cigarette Smoldering rate, obtains Medicated cigarette Smoldering rate v；
Step 2, opens funnel cover body, and the Medicated cigarette lighted is inserted vertically in cigarette clamper, and cigarette clamper is fixed on
On smoking pipeline, with hose connection smoking machine smoking pipeline；
Step 3, installs funnel cover body, and it is 15- to adjust distance between funnel cover body exhaustor import and cigarette combustion cone
20mm；
Step 4, controls cylinder cover body inlet charge flow so that cigarette combustion cone surface velocity meets 200 ± 30mm/
The standard flow rate of s is required；
Step 5, controls pre-dilution sleeve pipe flow so that pre-dilution cannula exit flow is cylindrical cap after dilution mixture
N times of body inlet charge flow, extension rates of the arithmetic number n for needed for；
Step 6, adjusts electric lifting platform controller parameter so as to which the movement velocity of decline is equal to Medicated cigarette Smoldering rate v；
Step 7, by the sample stream connection jet diluter air inlet pipeline in pre-dilution cannula exit, realizes the dilution of setting
Multiple, and by aerosol detector quick detection.
Preferably, in step 5, the air inlet of pre-dilution sleeve pipe is 150-200 DEG C of pure air.
Compared with prior art, the present invention has following beneficial technique effect：
By the way that Medicated cigarette vertically to be clamped placement in the present invention so as to which the side-stream smoke aerosol streamline of formation is more stable,
Compared with the horizontal scheme of Medicated cigarette, cover body bottom area on the one hand can be reduced, on the other hand due to streamline straight up, with volume
Cigarette constantly burns, and side-stream smoke aerosol streamline is not laterally subjected to displacement in Medicated cigarette, is more convenient for collecting aerosol.By electronic
Lifting platform realize function of auto-lift ensure collection cover body in funnel cover body exhaustor import and cigarette combustion cone between it is constant away from
From, so as to reduce the time of staying of the side-stream smoke aerosol inside cover body, by tracking cigarette combustion cone position sampling in time,
Further reach the good sample effect of quick flowing, the adhesion of weak wall, weak coalescence and weak ageing effect.Additionally, by effluent
Flue gas carries out pre-dilution, it is also possible to meet the use requirement of subsequent dilution equipment, improves cigarette side flow smoke aerosol particulate matter
And the columnar material such as Buddhist perfume (or spice) glows the accuracy of granular material discharged detection.
Description of the drawings
Fig. 1 is the overall structure diagram of the test connection of collection cover described in present example.
Fig. 2 is present invention collection cover A-A ' to swirling inlet sectional top view.
Fig. 3 is present invention collection cover B-B ' to porous cowling panel sectional top view.
In figure：1st, pre-dilution sleeve pipe；2nd, pre-dilution gas feed；3rd, funnel cover body；4th, porous cowling panel；5th, tangential swirl
Air inlet；6th, electric lifting platform；7th, sealing ring；8th, base support；9th, it is double to be hinged scissor-type mechanism；10th, smoking pipeline；11st, it is solid
Determine cutting ferrule；12nd, bolt；13rd, cylinder cover body；14th, cigarette clamper；15th, funnel cover body exhaustor；16th, pre-dilution casing hopper
Vertebral body structure；17th, pre-dilution cannula exit threeway.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of lift cigarette side flow smoke aerosol Quick Acquisition cover of the present invention, as shown in figure 1, it includes that top gathers
Cover body, bottom electric lifting platform 6 and base support 8.The lower surface of the electric lifting platform 6 is bolted on base support 8
Platform on, the upper surface of electric lifting platform 6 is fixed together with the bottom head covers of cylinder cover body 13 by flange bolt；The collection
Cover body is made up of bottom cylinder cover body 13 and upper funnel cover body 3, cylinder cover body 13 and funnel cover body 3 between connected by flange
Connect, Medicated cigarette is vertically arranged to the inside fixed position of the funnel cover body 3, the suction through cigarette clamper 14 and smoking pipeline 10
Smoke pipe road 10 extends through porous cowling panel 4 and bottom head covers centre bore in the cylinder cover body 13, and by fixed cutting ferrule 11
It is fixed on the platform of base support 8.There are pre-dilution sleeve pipe 1, the pre-dilution sleeve pipe 1 in the outside of the funnel cover body exhaustor 15
Bottom and the outer surface tight bond of funnel cover body 3, two symmetrical pre-dilution gas air inlets 2 are arranged at bottom.
As shown in Fig. 2 the sidewall bottom of cylinder cover body 13 has four symmetrically arranged tangential swirl air inlets 5, cover body is adopted
The antistatic glass material of weak adsorbent makes；Porous cowling panel 4 is fixed with the middle of the cylinder cover body 13, as shown in Figure 3.
Fluted, the groove embedded seal ring 7 in bottom head covers centre bore inner side of cylinder cover body 13, the size of sealing ring 7 and suction
The caliber of smoke pipe road 10 is relevant, and sealing ring 7 is in close contact with the outside wall surface of smoking pipeline 10.
Constant distance is kept between cigarette combustion cone and the import of funnel cover body exhaustor 15；The peace of Medicated cigarette and its smoking pipeline 10
Dress axis and collection cover body central axes.And by cigarette combustion cone near funnel cover body exhaustor 15 import 15-20mm
At position, aerosol is kept stably to rapidly enter in funnel cover body exhaustor.
Pre-dilution sleeve pipe 1 is made using the glass material of high temperature resistant, antistatic, and hot-air, jacket exterior are passed through in sleeve pipe
Heat-insulation layer is coated with, cannula exit is provided with pre-dilution cannula exit threeway.
The rising or falling speed of electric lifting platform 6 is adjusted by controller, drives collection cover body integrally to move down, its lower reduction of speed
Degree is relevant with Medicated cigarette Smoldering rate, and elevating mechanism therein is hinged scissor-type mechanism 9 using double.
The present invention before testing, is measured to Medicated cigarette Smoldering rate, controls the descending motion speed of electric lifting platform 6, makes
It drives funnel cover body 3 as cigarette burning is with constant speed decline, so as to ensure the import and combustion of funnel cover body exhaustor 15
It is 15-20mm to burn distance between cone, to meet the requirement of Medicated cigarette testing standard.
Funnel cover body 3 adopts weakly stable glass material, 3 big mouthfuls of bore 100mm of funnel cover body, depth 100mm, exhaustor pipe
Footpath 10mm, exhaust pipe length is about 50mm.Footpath 100mm in cylindrical cap body, height 50mm, using the antistatic glass of weak adsorbent
Material.Cylinder cover body 13 adopts weakly stable glass material, bottom symmetrical that four tangential swirl air inlets 5 are distributed with, and air inlet is passed through
After porous cowling panel 4, air velocity distribution can be caused to stablize, air inlet uniformity and be sufficiently mixed, air inlet total flow 1L/min.Here stream
Under amount, and under above-mentioned collection cover body structural condition, cigarette combustion cone airflow on surface flow velocity=flow/cross-sectional area, flow velocity is
212.3mm/s, the standard flow rate for meeting 200 ± 30mm/s requires that conical cover body aerofluxuss velocity in pipes can reach 28cm/s, flows
Dynamic time 0.14s, it is seen that flow velocity has increased slightly, much smaller than the 1.25s in fish tail cover exhaustor, the condition can be more for flowing time
Suppress the ageing reunion behavior of aerosol well, realize quick detection.The outlet of funnel cover body exhaustor 15 can be exported continuously
Stable 1L/min sample streams, in pre-dilution casing hopper vertebral body structure 16 pre-dilution is carried out.
Pre-dilution sleeve pipe 1 is made up of cylinder casing and the two parts of pre-dilution casing hopper vertebral body structure 16, total height
100mm, wherein, cylindrical sleeve pipe range 60mm, internal diameter 20mm；The pre-dilution casing hopper vertebral body structure 16 connected in cylinder casing is high
Degree 40mm.The air inlet of pre-dilution sleeve pipe is 150-200 DEG C of pure air, and side-stream smoke aerosol can be preferably avoided at a temperature of this
Condense on wall.
Flow can require to change according to pre-dilution multiple in pre-dilution sleeve pipe 1.With the DI-1000 series 8 that Dekati is produced
As a example by times jet diluter, the diluter inlet flow rate is about 5L/min.Therefore adjustment pre-dilution sleeve pipe hot air flowrate is 9L/
Min, the 1L/min samples stream discharged with funnel cover body exhaustor is sufficiently mixed in pre-dilution casing hopper cone structure 16, real
Now pre- 10 times of dilutions, the aerosol after dilution enters incidence through pre-dilution cannula exit threeway 17, a part with 5L/min flows
Aerosol detector is entered after stream thinner, remainder is emptied and absorbed by exhaust gas absorption device and disposed.Passing through
After Dekati diluters fully dilute, up to the Detection results for reaching 80 times of dilution, on this basis, the dilution of series multistage jet
Device is then capable of achieving higher extension rate.
The bottom swirling inlet of cylinder cover body 13 is after top porous cowling panel 4, it is ensured that the neighbouring flow field of cigarette combustion cone
With higher stability, it is ensured that side-stream smoke aerosol stably can rapidly enter funnel cover body exhaustor 15.
Specifically, Fig. 1, Fig. 2 and Fig. 3 are referred to, with reference to accompanying drawing, the present invention is realizing side-stream smoke aerosol dilution 100
It is again embodiment.
(1) before testing, Medicated cigarette Smoldering rate is measured, obtains Medicated cigarette Smoldering rate v, transported as electric lifting platform 6
The important referential data of dynamic speed；
(2) it is 1L/min to control the charge flow rate of tangential swirl air inlet 5, gases used to adopt steel cylinder air, or is used
The pure air after drying, oil removing, dust removal and filtration that air compressor machine is sent, the side-stream smoke aerosol produced as Medicated cigarette is taken
Band gas.Under the structural condition of funnel cover body 3 that the present invention is adopted, cigarette combustion cone surface velocity is 212.3mm/s, meets 200
The standard flow rate of ± 30mm/s is required.
(3) the flow 11.5L/min of pre-dilution sleeve pipe 1 is controlled, it is gases used to adopt steel cylinder air, or given using air compressor machine
The pure air after drying, oil removing, dust removal and filtration for going out, first passes through in advance air preheater and is heated to 150 DEG C or so；So
Pre-dilution cannula exit flow is 12.5L/min after dilution mixture, realizes 12.5 times of dilutions.
(4) bolt between conical cover body is unloaded, funnel cover body 3 is opened, the Medicated cigarette lighted is inserted vertically into into Medicated cigarette folder
In holder 14, cigarette clamper 14 is fixed on smoking pipeline 10, and smoking pipeline 10 vertically sequentially passes through the center of porous cowling panel 4
After hole, the bottom head covers centre bore sealing ring 7 of cylinder cover body 13, the upper and lower end-face central hole of electric lifting platform 6, with fixed cutting ferrule 11
The Platform center hole location of base support 8 is fixed on, with hose connection smoking machine smoking pipeline, smoking machine used can adopt market
Upper common commercial smoking machine, may also be employed motor guide rail piston type electricity smoking machine, electronic suction pump type smoking machine etc., drop
Low testing cost；
(5) the bottom head covers centre bore sealing ring 7 of cylinder cover body 13 can adopt rubber seal, and its outer rim is by the side such as bonding
Formula is fixed in the port recess of center, and inner edge is in close contact with smoking pipeline 10, can be by applying vaseline on the surface of smoking pipeline 10
Realize cover body slidably etc. mode；
(6) funnel cover body 3 is installed, it is 15- to adjust distance between the exhaustor import of funnel cover body 3 and cigarette combustion cone
20mm, cross sectional flow rate meets the standard flow rate requirement of 200 ± 30mm/s at this；
(7) controller parameter of electric lifting platform 6 is adjusted so as to movement velocity v '=Medicated cigarette Smoldering rate v；
(8) DI-1000 8 times of diluter air inlet pipe of series of Dekati productions are accessed in pre-dilution cannula exit threeway 17
Road, then can realize diluting 100 times of effect, both meet diluter charge flow rate requirement, it is also possible to realize sufficient pre-dilution,
In order to quick detection.Present invention may also apply to the columnar material smoldering process aerosol discharge detection such as Buddhist is fragrant, Lignum Santali Albi, scented incense
Deng.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover, it is characterised in that including being sequentially connected from top to bottom
Collection cover body, electric lifting platform (6) and base support (8)；
The collection cover body includes the cylinder cover body (13) for arranging air inlet and the leakage for being sealedly connected on cylinder cover body (13) upper end
Bucket cover body (3)；Funnel cover body (3) upper end arranges funnel cover body exhaustor (15), is arranged on the outside of funnel cover body exhaustor (15)
There is pre-dilution sleeve pipe (1), pre-dilution sleeve pipe (1) bottom is fixed with funnel cover body (3) appearance face seal, and bottom is provided with pre-dilution
Gas air inlet (2)；
The smoking pipeline (10) being coaxially disposed with collection cover body is fixed with described base support (8)；Smoking pipeline (10) one
End extends through electric lifting platform (6) and cylinder cover body (13) bottom head covers centre bore, other end connection smoking machine；Medicated cigarette is passed through
Cigarette clamper (14) is fixed and coaxial vertically-mounted with smoking pipeline (10)；
For driving collection cover body integrally to move down, decrease speed is equal to Medicated cigarette Smoldering rate to described electric lifting platform (6),
Ensure that the distance between import of cigarette combustion cone and funnel cover body exhaustor (15) is 15-20mm.
2. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that circle
Air inlet on barrel cover body (13) is the symmetrically arranged multiple tangential swirl air inlets (5) of sidewall bottom, in cylinder cover body (13)
Portion is fixed with porous cowling panel (4)；The inserting end of smoking pipeline (10) is through the center for being placed in porous cowling panel (4).
3. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that pre-
Dilution sleeve pipe (1) is including being set in funnel cover body exhaustor (15) cylinder casing outward, and is connected to pre- dilute in cylinder casing
Release casing hopper vertebral body structure (16)；The port of export of funnel cover body exhaustor (15) is located at pre-dilution casing hopper vertebral body structure
(16) in；Cylinder casing bottom arranges two symmetrical pre-dilution gas air inlet (2), pre-dilution casing hopper vertebral body structure (16)
Outlet be provided with pre-dilution cannula exit threeway (17).
4. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 3, it is characterised in that pre-
Dilution sleeve pipe (1) is made using antistatic glass, and outside is coated with heat-insulation layer, and pre-dilution gas air inlet (2) accesses 150-200 DEG C
Pure air.
5. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that institute
State electric lifting platform (6) lower surface to be fixed on the platform of base support (8) by bolt (12), upper surface and cylinder cover body
(13) bottom head covers are fixed by the bolt (12) on flange.
6. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that electricity
The rising or falling speed of dynamic lifting platform (6) is adjusted by controller, and elevating mechanism is hinged scissor-type mechanism (9) using double.
7. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that circle
Barrel cover body (13) and funnel cover body (3) are made using antistatic glass.
8. a kind of lift cigarette side flow smoke aerosol Quick Acquisition cover according to claim 1, it is characterised in that circle
Barrel cover body (13) bottom head covers centre bore inner side is provided with groove, groove embedded seal ring (7), sealing ring (7) and smoking pipeline
(10) outside wall surface is in sealing contact；Smoking pipeline (10) is fixedly installed on base support (8) by fixed cutting ferrule (11).
9. a kind of lift cigarette side flow smoke aerosol method for quick, it is characterised in that based on described in claim 1
Collection cover, comprises the steps,
Step 1, is measured to Medicated cigarette Smoldering rate, obtains Medicated cigarette Smoldering rate v；
Step 2, opens funnel cover body (3), the Medicated cigarette lighted is inserted vertically in cigarette clamper (14), cigarette clamper (14)
It is fixed on smoking pipeline (10), with hose connection smoking machine smoking pipeline；
Step 3, installs funnel cover body (3), and it is 15- to adjust distance between funnel cover body (3) exhaustor import and cigarette combustion cone
20mm；
Step 4, controls cylinder cover body inlet charge flow so that cigarette combustion cone surface velocity meets 200 ± 30mm/s's
Standard flow rate is required；
Step 5, controls pre-dilution sleeve pipe (1) flow so that pre-dilution cannula exit flow is cylindrical cap after dilution mixture
N times of body inlet charge flow, extension rates of the arithmetic number n for needed for；
Step 6, adjusts electric lifting platform (6) controller parameter so as to which the movement velocity of decline is equal to Medicated cigarette Smoldering rate v；
Step 7, by the sample stream connection jet diluter air inlet pipeline in pre-dilution cannula exit, realizes the dilution times of setting
Number, and by aerosol detector quick detection.
10. a kind of lift cigarette side flow smoke aerosol method for quick according to claim 9, its feature exists
In in step 5, the air inlet of pre-dilution sleeve pipe is 150-200 DEG C of pure air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162431.3A CN106596196B (en) | 2016-12-15 | 2016-12-15 | A kind of lift cigarette side flow smoke aerosol Quick Acquisition cover and its detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162431.3A CN106596196B (en) | 2016-12-15 | 2016-12-15 | A kind of lift cigarette side flow smoke aerosol Quick Acquisition cover and its detection method |
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| Publication Number | Publication Date |
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| CN106596196A true CN106596196A (en) | 2017-04-26 |
| CN106596196B CN106596196B (en) | 2018-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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