CN113287779A - Heating device for electric heating cigarette simulation test and use method thereof - Google Patents
Heating device for electric heating cigarette simulation test and use method thereof Download PDFInfo
- Publication number
- CN113287779A CN113287779A CN202110637773.0A CN202110637773A CN113287779A CN 113287779 A CN113287779 A CN 113287779A CN 202110637773 A CN202110637773 A CN 202110637773A CN 113287779 A CN113287779 A CN 113287779A
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- Prior art keywords
- heating device
- channel
- sample tube
- heat
- heater
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004088 simulation Methods 0.000 title claims abstract description 10
- 238000012360 testing method Methods 0.000 title claims abstract description 8
- 238000005485 electric heating Methods 0.000 title claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000000391 smoking effect Effects 0.000 claims abstract description 26
- 241000208125 Nicotiana Species 0.000 claims abstract description 19
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
- A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a heating device for an electric heating cigarette simulation test, which comprises a shell, a heat insulation layer, a heater and a heat conduction layer, wherein the shell, the heat insulation layer, the heater and the heat conduction layer are sequentially arranged from outside to inside; the tobacco shred smoking machine is characterized by further comprising a hollow channel, wherein the channel sequentially penetrates through the heat conduction layer, the heat insulation layer and the shell from bottom to top, a sample tube used for containing tobacco shreds is arranged inside the channel, and one end of the sample tube is connected with the smoking machine. The invention also provides a using method of the heating device. The invention has the advantages that the flow channel heater provides high-efficiency heating, the ceramic heat insulation layer is combined for heat preservation and heat insulation, the full wrapping and stable heating are realized, and the integration level is high. The sample tube filled with the tobacco shreds is inserted into a channel of the heating device, the filling position of the tobacco shreds corresponds to a constant temperature area, and the sample tube is matched with a smoking machine to simulate the smoking process of the electrically heated cigarette, so that basic theoretical guidance is provided for setting heat source parameters and raw material characteristics of the electrically heated cigarette.
Description
Technical Field
The invention relates to the technical field of electrically heated cigarettes, in particular to a heating device for an electrically heated cigarette simulation test and a using method thereof.
Background
Heated cigarettes are one type of novel tobacco product that utilizes an external heat source to heat (rather than ignite) tobacco to produce tobacco-flavored gases. The cigarette heating mainly comprises an electric heating type, a carbon heating type, a physical and chemical reaction heating type and the like, and changes a smoke generation and transmission mechanism, so that harmful ingredients in smoke are effectively reduced, and the purpose of reducing harm is realized.
In 2019, the sales volume of the electrically heated cigarettes represented by IQOS in the international market exceeds 100 ten thousand, which indicates that the novel cigarettes are more and more favored by consumers due to the characteristic of low harm. The research and development of novel cigarettes are continuously increased in the domestic tobacco industry, but the research of the domestic tobacco industry in the aspect is late, and a large number of basic problems need to be overcome. The matching of the heat source and the raw materials for heating the cigarette is one of the key problems, and the selection of a set of efficient and stable heat source is very necessary in basic research. At present, a thermogravimetric method is mostly adopted for heating cigarette simulation, but because the sample consumption is less, the simulation result cannot reflect the real smoke release behavior of the heated cigarette easily. While some simple heating devices have no stable temperature control due to their thermal insulation and power limitations. In order to deeply research the smoke release behavior of the electrically heated cigarette and simulate the heating process of the electrically heated cigarette, a set of high-efficiency and stable heating device for experiments needs to be developed urgently.
Disclosure of Invention
In view of the above defects, the present invention provides a heating device for an electric heating cigarette simulation test, which realizes efficient and stable heating of a heated cigarette.
The invention provides a heating device for an electric heating cigarette simulation test, which comprises a shell, a heat insulation layer, a heater and a heat conduction layer, wherein the shell, the heat insulation layer, the heater and the heat conduction layer are sequentially arranged from outside to inside; the cigarette smoking machine is characterized by further comprising a hollow channel, wherein the channel sequentially penetrates through the heat conduction layer, the heat insulation layer and the shell from bottom to top, a sample tube used for containing tobacco shreds is arranged inside the channel, and one end of the sample tube is connected with the cigarette smoking machine.
Preferably, the housing comprises a housing with an open top and a cover arranged at the open of the housing, and the channel penetrates through the cover.
Preferably, the shell and the cover body are in threaded connection.
Preferably, the housing is made of stainless steel.
Preferably, the heat insulation layer comprises a heat insulation side wall, a heat insulation base arranged at the bottom of the heat insulation side wall and a heat insulation top cover arranged at the top of the heat insulation side wall, and the heater and the heat conduction layer are located between the heat insulation base and the heat insulation top cover.
Preferably, the channel extends through the insulated base and the insulated top cover.
Preferably, the heat insulation layer is made of ceramic.
Preferably, the heater is a flow channel heater.
Preferably, the sample tube is further provided with radially distributed projections.
The invention also provides a using method of the heating device, which comprises the following steps:
s1, filling the heated cigarette raw materials into a sample tube;
s2, inserting the sample tube into the channel;
s3, the heater starts to heat, one end of the sample tube is connected with the smoking machine, and the smoking machine starts to suck.
The invention has the advantages that the flow channel heater provides high-efficiency heating, the ceramic heat insulation layer is combined for heat preservation and heat insulation, the full wrapping and stable heating are realized, and the integration level is high. The sample tube filled with the tobacco shreds is inserted into a channel of the heating device, the filling position of the tobacco shreds corresponds to a constant temperature area, a smoking machine is matched to simulate the smoking process of the electrically heated cigarette, the matching of heat source parameters and electrically heated cigarette raw materials can be known by analyzing the smoke release condition, and basic theoretical guidance is provided for setting of the heat source parameters and the raw material characteristics of the electrically heated cigarette. Therefore, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utilization value.
Drawings
FIG. 1 is a cross-sectional view of a heating apparatus of the present invention;
FIG. 2 is a schematic diagram of the construction of a sample tube;
FIG. 3 is an axial temperature profile of the interior of the channel at different temperatures;
FIG. 4 is a schematic representation of the temperature of the inner wall of a sample tube and the center of a heated cigarette stock in an unpumped state as a function of time;
FIG. 5 is a schematic representation of the temperature of the inner wall of the sample tube and the center of the heated cigarette stock as a function of time under smoking conditions.
Element number description:
1 outer cover
11 casing
2 cover body
31 heat insulation base
32 Heat insulating roof
33 Heat insulating side wall
4 heater
5 Heat conducting layer
6 sample tube
61 projection
7 channel
8 fixed ring
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the invention provides a heating device for an electrical heating cigarette simulation test, which comprises a shell 1, a heat insulation layer, a heater 4 and a heat conduction layer 5 which are sequentially arranged from outside to inside, wherein the heat insulation layer completely wraps the heater 4 and the heat conduction layer 5 inside the heating device, so that high-efficiency heat preservation and heat insulation are realized. The heating device is also internally provided with a hollow channel 7, the channel 7 sequentially penetrates through the heat conduction layer 5, the heat insulation layer and the shell 1 from bottom to top, a sample tube 6 for containing tobacco shreds is arranged inside the channel, and one end of the sample tube 6 is connected with the smoking machine. When the heater 4 works, the tobacco shreds are heated under the heat conduction action of the heat conduction layer to release nicotine and flavor substances, so that the smoking process of the electrically heated cigarette can be simulated, the matching of heat source parameters and electrically heated cigarette raw materials can be known by analyzing the smoke release condition, and basic theoretical guidance is provided for setting the heat source parameters and the raw material characteristics of the electrically heated cigarette. The heat conducting layer 5 is made of metal, in particular steel material.
In one embodiment of the present invention, the housing 1 includes a case 11 with an open top and a cover 2 disposed at the open top of the case 11, and the channel 7 extends through the cover 2. The shell 11 is connected with the cover body 2 through threads, and the sealing performance of the shell 1 is guaranteed. The shell 1 is made of stainless steel, so that the heating device is integrally firm and is not easy to damage.
The heat insulating layer is made of ceramics, and comprises a heat insulating side wall 33 which is a hollow cylinder, a heat insulating base 31 arranged at the bottom of the heat insulating side wall 33 and a heat insulating top cover 32 arranged at the top of the heat insulating side wall 33, the heater 4 and the heat conducting layer 5 are positioned between the heat insulating base 31 and the heat insulating top cover 32, a fixing ring 8 is arranged between the heater 4 and the heat insulating top cover 32, and the fixing ring 8 can fix and limit the installation position of the heater 4. In addition, a gap is left between the heater 4 and the heat insulation side wall, and the gap can further enhance the heat insulation effect of the heat insulation layer. As shown in fig. 3, when the heating temperatures were set to 100 ℃ (corresponding to curve a), 200 ℃ (corresponding to curve b), 300 ℃ (corresponding to curve c), and 400 ℃ (corresponding to curve d), respectively, the axial temperature distribution in the channel 7 was measured by a capillary thermocouple, and it was found that the region having a height of 31 to 51mm in the channel 7 was a constant temperature region having a stable temperature. Preferably, the channel 7 extends through the insulated base 31 and the insulated top cover 32, so that the position of the cut tobacco in the sample tube 6 is opposite to the constant temperature area in the channel 7. Meanwhile, the sample tube 6 is made of quartz, the inner part of the sample tube is also provided with the protruding parts 61 which are distributed along the radial direction, and cotton can be plugged into the protruding parts 61 firstly and then cut tobacco can be plugged into the sample tube, so that the height of the cut tobacco in the sample tube 6 is changed.
The heater 4 is preferably a flow channel heater comprising a metal heating tube and a coil, the coil being sheathed outside the heating tube, the heating tube rapidly increasing in temperature when the coil is energized. As shown in fig. 4, the heating temperature is set to 300 ℃, when the smoking machine does not smoke, the inner wall temperature (corresponding to curve e) and the tobacco shred center temperature (corresponding to curve f) of the sample tube 6 are quickly raised to the set temperatures and are kept stable; when the smoking machine starts to smoke, the smoking capacity is 35 mL/port, the smoking interval is 15s, the smoking time is 2s, as shown in FIG. 5, the temperature of the inner wall of the sample tube 6 (corresponding to curve g) slightly fluctuates along with the suction of the cold air flow, the temperature of the center of the tobacco shred (corresponding to curve h) can be reduced by 50-70 ℃ along with the suction of the cold air flow, but the temperature can be rapidly increased to the temperature of the inner wall of the sample tube 6. Therefore, the heating device of the invention adopts the flow channel heater, and can realize rapid and stable heating.
The invention also provides a using method of the heating device, which comprises the following steps:
s1, filling the heated cigarette raw materials into the sample tube 6;
s2, inserting the sample tube 6 into the channel 7, wherein the position of the cut tobacco in the sample tube 6 is opposite to the constant temperature area in the channel 7;
s3, the heater 4 starts heating, one end of the sample tube 6 is connected with a smoking machine, and the smoking machine starts smoking.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The heating device for the electric heating cigarette simulation test is characterized by comprising a shell (1), a heat insulation layer, a heater (4) and a heat conduction layer (5) which are sequentially arranged from outside to inside, wherein the heat insulation layer completely wraps the heater (4) and the heat conduction layer (5); the cigarette smoking machine is characterized by further comprising a hollow channel (7), wherein the channel (7) sequentially penetrates through the heat conducting layer (5), the heat insulating layer and the shell (1) from bottom to top, a sample tube (6) used for containing tobacco shreds is arranged inside the channel, and one end of the sample tube (6) is connected with the cigarette smoking machine.
2. The heating device according to claim 1, wherein the housing (1) comprises a shell (11) open at the top and a cover (2) arranged at the opening of the shell (11), the channel (7) extending through the cover (2).
3. A heating device according to claim 2, characterized in that the housing (11) and the cover (2) are screwed together.
4. A heating device according to claim 1, characterized in that the housing (1) is made of stainless steel.
5. A heating device according to claim 1, wherein the thermally insulating layer comprises an insulating side wall (33), an insulating base (31) arranged at the bottom of the insulating side wall (33) and an insulating top cover (32) arranged at the top of the insulating side wall (33), the heater (4) and the heat conducting layer (5) being located between the insulating base (31) and the insulating top cover (32).
6. A heating device according to claim 5, wherein the channel (7) extends through the heat insulating base (31) and the heat insulating top cover (32).
7. The heating device of claim 1, wherein the thermal insulation layer is made of ceramic.
8. A heating device according to claim 1, characterized in that the heater (4) is a flow channel heater.
9. The heating device according to claim 1, characterized in that radially distributed projections (61) are also provided in the sample tube (6).
10. A method of using a heating device as claimed in claim 1, comprising the steps of:
s1, filling the heated cigarette raw materials into a sample tube (6);
s2, inserting the sample tube (6) into the channel (7);
s3, starting heating by the heater (4), connecting one end of the sample tube (6) with a smoking machine, and starting smoking by the smoking machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637773.0A CN113287779A (en) | 2021-06-08 | 2021-06-08 | Heating device for electric heating cigarette simulation test and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637773.0A CN113287779A (en) | 2021-06-08 | 2021-06-08 | Heating device for electric heating cigarette simulation test and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113287779A true CN113287779A (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110637773.0A Pending CN113287779A (en) | 2021-06-08 | 2021-06-08 | Heating device for electric heating cigarette simulation test and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113287779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961669A (en) * | 2022-06-15 | 2022-08-30 | 扬州华宝石油仪器有限公司 | Ignition experiment device for simulating underground and method for simulating and collecting ignition data |
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| US20190254335A1 (en) * | 2018-02-22 | 2019-08-22 | R.J. Reynolds Tobacco Company | System for debossing a heat generation member, a smoking article including the debossed heat generation member, and a related method |
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| CN213291184U (en) * | 2020-06-24 | 2021-05-28 | 浙江思纳克热流道科技有限公司 | Hot runner heater |
-
2021
- 2021-06-08 CN CN202110637773.0A patent/CN113287779A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090151717A1 (en) * | 2007-12-18 | 2009-06-18 | Adam Bowen | Aerosol devices and methods for inhaling a substance and uses thereof |
| CN103983478A (en) * | 2014-05-23 | 2014-08-13 | 中国烟草总公司郑州烟草研究院 | Trapping device and trapping method suitable for smoke released by tobacco material at heating non-burning state |
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| CN114961669A (en) * | 2022-06-15 | 2022-08-30 | 扬州华宝石油仪器有限公司 | Ignition experiment device for simulating underground and method for simulating and collecting ignition data |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |
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| RJ01 | Rejection of invention patent application after publication |