CN213275046U - Flue gas trapping device - Google Patents
Flue gas trapping device Download PDFInfo
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- CN213275046U CN213275046U CN202022033985.1U CN202022033985U CN213275046U CN 213275046 U CN213275046 U CN 213275046U CN 202022033985 U CN202022033985 U CN 202022033985U CN 213275046 U CN213275046 U CN 213275046U
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- flue gas
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- cigarette
- headspace bottle
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Abstract
The utility model provides a flue gas entrapment device, including radial air current pipeline, radial air current pipeline includes the pipeline that a plurality of one end outwards extend, the other end communicates together, is equipped with control valve or solenoid valve on every pipeline, and the intercommunication point intercommunication of total pipeline one end and a plurality of pipelines, the other end and cigarette holder intercommunication, a plurality of pipeline one end are connected with negative pressure head space bottle, each negative pressure head space bottle entrapment a bite cigarette flue gas. The utility model discloses can carry out effective entrapment to the cigarette flue gas of piecemeal suction to can directly be used for the online analysis of piecemeal suction flue gas volatility semi-volatile composition, have advantages such as quick, accurate, easy operation.
Description
Technical Field
The utility model belongs to the analytical chemistry field, concretely relates to flue gas entrapment device.
Background
The sensory perception of a cigarette by a smoker is mainly derived from the smoke of the cigarette. Smokers feel that there is a certain difference in the flavor and taste of each smoke, and the reasons for this difference are summarized as a dynamic balance of the interaction of the tobacco body, the filter tip, the cigarette paper and human factors with the mainstream smoke during smoking. Because the smoking of the cigarette is a constantly changing process, the actual change rule of the cigarette smoke can be accurately revealed only by carrying out mouth-to-mouth smoking analysis research on smoke components. The research of cigarette smoke mouth-to-mouth smoking becomes a main direction of tobacco chemical research, the content difference of each chemical component of cigarette mainstream smoke and the transmission rule thereof are deeply known, and the research is carried out by tobacco science and technology personnel all the time.
In order to realize the mouth-by-mouth analysis of the main stream smoke of the cigarette, a device needs to be developed to realize the capture of the cigarette mouth-by-mouth smoke. The gas sample is not easy to collect and store, the volatile and semi-volatile substance content of the smoke sucked mouth by mouth is low, and the detection difficulty is high, so that the design of the smoke trapping device is particularly important.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flue gas entrapment device has advantages such as quick, accurate, easy operation.
The utility model discloses the technical scheme who adopts specifically as follows:
the utility model provides a flue gas entrapment device, includes radial air current pipeline, and radial air current pipeline includes the pipeline that a plurality of one end outwards extended, the other end intercommunication is in the same place, is equipped with control valve or solenoid valve on every pipeline, and main pipeline one end communicates with the intercommunication point of a plurality of pipelines, and the other end communicates with the cigarette holder, and a plurality of pipeline one end are connected with the negative pressure head space bottle, and each negative pressure head space bottle entrapment a cigarette flue gas.
Further, the negative pressure headspace bottle is controlled to suck counterclockwise or clockwise mouth by mouth through a control valve or an electromagnetic valve.
Furthermore, the cigarette holder is provided with an adjusting valve, and the diameter of the adjustable holder is 5-9 mm.
Further, the pressure of the negative pressure headspace bottle is 40-200 kPa, and the volume is 20-60 mL; the number of the active ingredients is 3-15.
Furthermore, the diameter of the airflow pipeline is 0.2-1 cm, the length of the airflow pipeline is 5-20 cm, and the end of the negative pressure headspace bottle is a sharp nozzle, so that the negative pressure headspace bottle can be conveniently inserted into the negative pressure headspace bottle cap.
Compared with the prior art, the beneficial effects of the utility model are specifically as follows:
(1) the utility model discloses the accuracy is high, accomplishes the entrapment in the inclosed system of fixed volume, and realizes directly advancing the appearance, and the loss of the semi-volatile composition transfer in-process of volatility in the flue gas that has significantly reduced has increased the accuracy of analytic process.
(2) The utility model has lower cost, the cigarette holder, the airflow pipeline, the negative pressure headspace bottle, the control valve or the electromagnetic valve and the like which are related to the device are prepared from materials which are easy to obtain in a laboratory, an expensive smoking machine is not needed as a suction source, and the cost is lower;
(3) the utility model discloses environment friendly, the device leakproofness is good, and volatile semi-volatile composition is difficult to volatilize, and this invention does not relate to solvent etc. and to sample pretreatment, when improving analysis accuracy, has reduced the pollution of entrapment process to the environment.
(4) The utility model discloses extensive applicability is applicable to the cigarette of different specifications such as ramuscule, well branch, ordinary, thick branch, is applicable to novel cigarette products such as heating incombustible cigarette, electron cigarette simultaneously, and is applicable to the entrapment of sucking cigarette flue gas one by one under different suction modes such as ISO, canada degree of depth suction. The method is used for detecting volatile and semi-volatile substances in cigarette smoke by mouth suction, and has the advantages of rapidness, accuracy, simple operation and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-cigarette, 2-cigarette holder, 3-airflow pipeline, 4-negative pressure headspace bottle, 5-control valve or electromagnetic valve.
Detailed Description
It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
The invention will be further explained with reference to the drawings.
Example 1
As shown in fig. 1, the smoke trapping device of the embodiment includes a radial airflow pipeline 3, the radial airflow pipeline 3 includes a plurality of pipelines with one end extending outwards and the other end communicating together, each pipeline is provided with a control valve or an electromagnetic valve 5, one end of a main pipeline is communicated with the communication points of the plurality of pipelines, the other end is communicated with a cigarette holder 2, one end of each pipeline is connected with a negative pressure headspace bottle 4, and each negative pressure headspace bottle 4 traps a cigarette smoke. The cigarette 1 is held on a cigarette holder 2.
The negative pressure headspace bottle 4 is controlled to suck counterclockwise or clockwise mouth by mouth through a control valve or solenoid valve 5. The cigarette holder 2 is provided with an adjusting valve, and the diameter of the adjustable holder is 5-9 mm. The pressure of the negative pressure headspace bottle 4 is 40-200 kPa, and the volume is 20-60 mL; the number of the active ingredients is 3-15. The diameters of all pipelines of the airflow pipeline 3 are 0.2-1 cm, the lengths of all pipelines are 5-20 cm, and the end of the negative pressure headspace bottle is provided with a sharp mouth, so that the negative pressure headspace bottle can be conveniently inserted into a negative pressure headspace bottle cap.
The negative pressure headspace bottle 4 can be an existing negative pressure bottle, and the size of the negative pressure headspace bottle only meets the headspace sampling standard, for example, the diameter of the headspace bottle is 0.8-6 cm, the height of the headspace bottle is 2-5 cm, and the material of the headspace bottle is pressure-resistant glass.
The number of the control valves or the electromagnetic valves 5 is consistent with that of the negative pressure headspace bottles 4, and the control valves or the electromagnetic valves 5 control the communication state of the negative pressure bottles 4.
The utility model discloses a use as follows:
adjusting the size of the cigarette holder 2 to be 5mm according to the diameters of different cigarettes 1, closing all the control valves or electromagnetic valves 5, opening one of the control valves or electromagnetic valves 5 while igniting the cigarettes 1, closing the control valve or electromagnetic valve 5 after continuously trapping for 1s, and taking down a corresponding 35mL headspace bottle to perform GC/MS (gas chromatography/Mass Spectrometry) online analysis on volatile and semi-volatile components in smoke of the first cigarette; after 59 seconds of smoldering, opening the other control valve or electromagnetic valve 5, continuously trapping for 1 second, closing the control valve or electromagnetic valve 5, and taking down a corresponding 35mL headspace bottle to perform GC/MS (gas chromatography/Mass Spectrometry) online analysis on volatile semi-volatile components in smoke of the second-mouth cigarette; and repeating the steps, sequentially trapping the smoke of the whole cigarettes, and performing instrument analysis. During the use process, the cigarette is kept horizontal.
The analysis conditions of the instrument are as follows:
gas chromatography conditions: the chromatographic column is a 5MS capillary chromatographic column (60m × 0.32mm × 0.25 μm); sample inlet temperature: 230 ℃; temperature programming: the initial temperature was 45 deg.C, held for 0.5min, ramped to 240 deg.C at 3.5 deg.C/min, and held for 4 min. Carrier gas: high-purity helium gas, a constant flow mode, and a column flow of 1.2 mL/min; and (3) sample introduction mode: split-flow sample injection is carried out, and the split-flow ratio is 6: 1. Mass spectrum conditions: an ion source: an EI source; ionization energy: 70 eV; ion source temperature: 200 ℃; transmission line temperature: at 210 ℃; detection mode: full scan (Full scan) monitoring mode, quality scan range: 30amu to 480 amu; solvent retardation: 0.2 min. The integral area is quantitative, and the mass spectrum is qualitative.
The utility model discloses a use can also as follows:
adjusting the size of the cigarette holder 2 to be 7mm according to the diameters of different cigarettes 1, closing all the control valves or electromagnetic valves 5, opening one of the control valves or electromagnetic valves 5 while igniting the cigarettes 1, closing the control valve or electromagnetic valve 5 after continuously trapping for 2s, and taking down a corresponding 55mL headspace bottle to perform HS-GC/MS on-line analysis on volatile and semi-volatile components in the smoke of the first cigarette; after 28 seconds of smoldering, opening the other control valve or electromagnetic valve 5, continuously trapping for 2 seconds, closing the control valve or electromagnetic valve 5, and taking down the corresponding 55mL headspace bottle to perform HS-GC/MS on-line analysis on volatile semi-volatile components in smoke of the second mouth of cigarettes; and repeating the steps, sequentially trapping the smoke of the whole cigarettes, and performing instrument analysis.
The analysis conditions of the instrument are as follows:
the gas chromatography conditions were: the sample introduction amount is 2 μ L, and the chromatographic column is a VOCs column (60m × 0.25mm × 0.25 μm); the carrier gas is nitrogen (He), and the temperature of a sample inlet is 200 ℃; the flow rate of the column is 1.1mL/min, and the split ratio is 6: 1; temperature programming: the initial temperature was 45 deg.C, held for 1.5min, ramped to 220 deg.C at 3.5 deg.C/min, held for 4 min. The temperature of the hydrogen flame ion detector is 250 ℃, the purging flow is 2.0mL/min, and the tail purging flow is 30 mL/min. The integral area is quantitative, and the exponential qualitative is kept.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A flue gas trapping device is characterized in that: including radial air flow pipeline (3), radial air flow pipeline (3) include a plurality of one end outwards extend, the other end communicates the pipeline together, are equipped with control valve or solenoid valve (5) on every pipeline, and main pipeline one end communicates with the intercommunication point of a plurality of pipelines, and the other end communicates with cigarette holder (2), and a plurality of pipeline one end are connected with negative pressure head space bottle (4), and each negative pressure head space bottle (4) entrapment a bite cigarette flue gas.
2. The flue gas capture device of claim 1, wherein: the negative pressure headspace bottle (4) is controlled to suck counterclockwise or clockwise mouth by mouth through a control valve or an electromagnetic valve (5).
3. The flue gas capture device of claim 1, wherein: the cigarette holder (2) is provided with an adjusting valve, and the diameter of the adjustable holder is 5-9 mm.
4. The flue gas capture device of claim 1, wherein: the pressure of the negative pressure headspace bottle (4) is 40-200 kPa, and the volume is 20-60 mL; the number of the active ingredients is 3-15.
5. The flue gas capture device of claim 1, wherein: the diameter of the airflow pipeline (3) is 0.2-1 cm, the length of the airflow pipeline is 5-20 cm, and the end of the negative pressure headspace bottle (4) is a sharp nozzle which is convenient to insert into a negative pressure headspace bottle cap.
6. The flue gas capture device of claim 1, wherein: a plurality of pipelines with one ends extending outwards and the other ends communicated together are on the same horizontal plane, and the main pipeline is vertical to the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022033985.1U CN213275046U (en) | 2020-09-16 | 2020-09-16 | Flue gas trapping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022033985.1U CN213275046U (en) | 2020-09-16 | 2020-09-16 | Flue gas trapping device |
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| CN213275046U true CN213275046U (en) | 2021-05-25 |
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| CN202022033985.1U Active CN213275046U (en) | 2020-09-16 | 2020-09-16 | Flue gas trapping device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834702A (en) * | 2021-09-22 | 2021-12-24 | 中国建材检验认证集团股份有限公司 | Negative pressure gas production box for odor evaluation and use method thereof |
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2020
- 2020-09-16 CN CN202022033985.1U patent/CN213275046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834702A (en) * | 2021-09-22 | 2021-12-24 | 中国建材检验认证集团股份有限公司 | Negative pressure gas production box for odor evaluation and use method thereof |
| CN113834702B (en) * | 2021-09-22 | 2024-05-28 | 中国建材检验认证集团股份有限公司 | Use method of negative pressure gas production box for odor evaluation |
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