CN214174218U - Device for measuring combustion heat in cigarette burning and smoking process - Google Patents
Device for measuring combustion heat in cigarette burning and smoking process Download PDFInfo
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- CN214174218U CN214174218U CN202120155001.9U CN202120155001U CN214174218U CN 214174218 U CN214174218 U CN 214174218U CN 202120155001 U CN202120155001 U CN 202120155001U CN 214174218 U CN214174218 U CN 214174218U
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Abstract
The utility model discloses a survey device of cigarette combustion heat among smoking process, including the smoking machine, the smoking machine has the porous way carousel, it has a plurality of cigarette holders to distribute along circumference on the porous way carousel, the flue gas discharge port of smoking machine is connected to the import of flue gas entrapment bag through first flue gas pipeline, the export of flue gas entrapment bag is connected to the first port of three-way valve through second flue gas pipeline, the second port intercommunication atmosphere of three-way valve, the third port of three-way valve is connected to the vacuum pump through third flue gas pipeline, be equipped with the valve on the first flue gas pipeline, be provided with the magnetic oxygen analyzer on the third flue gas pipeline. Compared with the prior art, the utility model has the following advantages: after one or more cigarettes are subjected to continuous suction and trapping for multiple times, the oxygen consumption of one or more cigarettes during burning can be obtained, the heat release characteristic of the cigarettes during burning can be calculated according to the measured oxygen consumption of the cigarettes during burning, and the testing efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of cigarette combustion characteristic measuring device, what especially relate to is a device of survey cigarette burning and inhaling in-process heat of combustion.
Background
The combustion heat of the cigarette is an important parameter of the combustion characteristic of the cigarette and is a key factor influencing the release of flavor components and harmful components in smoke. The combustion mechanism of the cigarette in the burning and smoking process is influenced by the combustion temperature and the oxygen supply amount, the chemical components of the generated smoke are different, and the composition and the concentration of the smoke are closely related to the heat generated in the burning and smoking process. Therefore, the research on the release of the combustion heat in the smoking process of the cigarette is of great significance to the composition of main stream smoke components.
For cigarette products, due to the special structure of cigarettes and the oxygen-poor and hydrogen-rich combustion environment, commonly used calorimetry and thermal analysis methods are not suitable for evaluating the heat release in the smoking process of finished cigarettes. Currently, it is a commonly used method to estimate the combustion heat of cigarette by analyzing the oxygen content through the collection of smoke during the burning of cigarette based on the oxygen consumption principle. The common mass spectrometry is easily influenced by other fragment ions in the mainstream smoke during quantitative analysis, and accurate quantitative detection is difficult to realize. At present, publication No. CN207232016U discloses an oxygen consumption detection device in a cigarette smoking process, and a Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology disclosed therein can analyze the oxygen content of a cigarette during a puff by using the high resolution characteristic of laser. However, when the amount of the sample to be detected is large, the detection efficiency of the detection device is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a device of survey cigarette smoking in-process heat of combustion to the high efficiency of the heat of combustion of realizing is measured in hope.
The utility model discloses a realize through following technical scheme:
the utility model provides a survey device of cigarette combustion heat among smoking process, includes the smoking machine, the smoking machine has the porous way carousel, and it has a plurality of cigarette holders to distribute along circumference on the porous way carousel, the flue gas discharge port of smoking machine is connected to the import of flue gas entrapment bag through first flue gas pipeline, the export of flue gas entrapment bag is connected to the first port of three-way valve through second flue gas pipeline, and the second port intercommunication atmosphere of three-way valve, the third port of three-way valve are connected to the vacuum pump through third flue gas pipeline, be equipped with the valve on the first flue gas pipeline, be provided with the magnetic oxygen analyzer on the third flue gas pipeline.
And a cambridge filter disc is arranged in the clamping cavity of the cigarette holder.
The volume flow rate of the vacuum pump for pumping air is 0.5-3L/min.
The test range of the magnetic oxygen analyzer is 0-25%.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a pair of survey cigarette fires device of inhaling in-process combustion heat, the device can ignite every mouth of smoke of suction to the cigarette and carry out the entrapment, carry out many times continuous suction entrapment back test to one or many cigarettes, oxygen consumption when can obtaining one or many cigarettes to fire and inhale to oxygen consumption when can calculating its heat when firing and inhaling and release the characteristic according to the cigarette that records oxygen consumption when firing and inhaling, improved efficiency of software testing. Just the utility model discloses rational in infrastructure, the simple operation, the commonality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numbers in the figures: 1 smoking machine; 2 a multi-channel turntable; 3, a cigarette holder; 4 a first flue gas pipeline; 5, a flue gas collecting bag; 6 a second flue gas pipeline; 7 a third flue gas pipeline; 8, a vacuum pump; 9 a valve; 10 magnetic oxygen analyzer; 11 three-way valve.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1, the embodiment discloses a device for measuring combustion heat in a cigarette burning and smoking process, which comprises a smoking machine 1, wherein the smoking machine 1 is provided with a multi-channel turntable 2, a plurality of cigarette holders 3 are circumferentially distributed on the multi-channel turntable 2, and a cambridge filter disc is arranged in a holding cavity of each cigarette holder 3 and used for removing particulate matters in smoke.
The flue gas discharge port of smoking machine 1 is connected to the import of flue gas entrapment bag 5 through first flue gas pipeline 4, and the export of flue gas entrapment bag 5 is connected to three-way valve 11's first port through second flue gas pipeline 6, and three-way valve 11's second port intercommunication atmosphere, and three-way valve 11's third port is connected to vacuum pump 8 through third flue gas pipeline 7, is equipped with valve 9 on the first flue gas pipeline 4, is provided with magnetic oxygen analyzer 10 on the third flue gas pipeline 7. The volume flow rate of the vacuum pump 8 is 0.5-3L/min. The test range of the magnetic oxygen analyzer 10 is 0-25%.
The application process of the device for measuring the combustion heat in the cigarette smoking process provided by the embodiment is as follows:
before testing, a Cambridge filter disc is arranged in each cigarette holder 3 of a multi-channel turntable 2 of a smoking machine 1; the smoking conditions of the smoking machine 1 are: 35 mL/port, 1 port/2 s, and a suction interval of 58s per port was set. During the test, open valve 9, the first port of adjustment three-way valve 11 is closed, keeps the second port and the third port of three-way valve 11 to open, lets magnetic oxygen analysis appearance and atmosphere intercommunication, starts magnetic oxygen analysis appearance and vacuum pump 8, and the concentration of oxygen is marked as r1 in the test environment. Then, the cigarette is inserted into the cigarette holder 3, the cigarette is ignited and the smoking machine 1 is started to smoke, and the smoke is discharged through the discharge port of the smoking machine 1 and enters the smoke trapping bag 5 through the first smoke pipeline 4. The smoking machine 1 sucks for many times, and after one cigarette is completely sucked, the smoke trapping bag 5 traps the smoke amount of one cigarette when the cigarette is fully burned and smoked. And then, closing the valve 9, adjusting the second port of the three-way valve 11 to be closed, and opening the first port and the third port to communicate the smoke trapping bag 5 with the magnetic oxygen analyzer, recording the oxygen concentration in the smoke trapping bag 5 as r2, and determining the difference value between r2 and r1 as the oxygen concentration consumed by burning one cigarette.
According to the oxygen concentrations r2 and r1 measured twice by the magnetic oxygen analyzer, the oxygen consumption mass m can be calculated according to the following formula I:
wherein m is oxygen consumption mass, and the unit is g; n1 is the number of cigarettes; n2 is the number of single cigarette suction openings; r1 is the oxygen concentration in the environment; r2 is the oxygen concentration in the flue gas capture bag 5.
Equation one is derived from the following known equation:
m is n × M (formula two)
n＝VO2/VM(formula three)
VO2Either V × C (formula four)
V ═ N1 × N2 × 35 (formula five)
Wherein M represents the mass of oxygen consumed, n represents the amount of oxygen species, and M represents the oxygen molar mass of 32 g/mol; VO (vacuum vapor volume)2Denotes the volume of oxygen consumed, VMRepresents the molar volume of oxygen, V, under standard conditionsMIs 22.4L/mol; v represents the total gas volume, C is the oxygen concentration consumed, i.e., C is equal to (r1-r 2); n1 is the number of cigarettes, N2 is the number of suction openings of a single cigarette, and the volume of the smoke sucked by each opening is 35ml, namely 35 multiplied by 10-3L。
And (4) bringing the formula five into the formula four, bringing the formula four into the formula three, and bringing the formula three into the formula two to obtain the formula one.
After the oxygen consumption mass m is calculated by the formula I, the combustion release heat Q during the smoking of the cigarette can be calculated by the following formula VI:
q ═ 13.1 xm (formula six)
In the experiment, the smoking machine 1 with the multi-channel turntable 2 is used for smoking, the oxygen consumption of one or more cigarettes can be trapped and tested at a time, and the combustion heat of the cigarettes can be calculated. When a single cigarette is clamped on the multi-channel turntable 2, the oxygen consumption quality of the single cigarette can be measured, and the combustion heat of the single cigarette can be calculated; when a plurality of cigarette cigarettes are clamped on the multi-channel rotary table 2, the oxygen consumption quality of the plurality of cigarette cigarettes can be measured, and the combustion heat of the plurality of cigarette cigarettes can be calculated.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a survey device of cigarette burning and smoking in-process combustion heat, includes the smoking machine, its characterized in that: the smoking machine is provided with a multi-channel rotating disc, a plurality of cigarette holders are circumferentially distributed on the multi-channel rotating disc, a smoke discharge port of the smoking machine is connected to an inlet of a smoke trapping bag through a first smoke pipeline, an outlet of the smoke trapping bag is connected to a first port of a three-way valve through a second smoke pipeline, a second port of the three-way valve is communicated with the atmosphere, a third port of the three-way valve is connected to a vacuum pump through a third smoke pipeline, a valve is arranged on the first smoke pipeline, and a magnetic oxygen analyzer is arranged on the third smoke pipeline.
2. The apparatus according to claim 1, wherein the apparatus for measuring the combustion heat during the smoking process of the cigarette comprises: and a cambridge filter disc is arranged in the clamping cavity of the cigarette holder.
3. The apparatus according to claim 1, wherein the apparatus for measuring the combustion heat during the smoking process of the cigarette comprises: the volume flow rate of the vacuum pump for pumping air is 0.5-3L/min.
4. The apparatus according to claim 1, wherein the apparatus for measuring the combustion heat during the smoking process of the cigarette comprises: the test range of the magnetic oxygen analyzer is 0-25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155001.9U CN214174218U (en) | 2021-01-20 | 2021-01-20 | Device for measuring combustion heat in cigarette burning and smoking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155001.9U CN214174218U (en) | 2021-01-20 | 2021-01-20 | Device for measuring combustion heat in cigarette burning and smoking process |
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| Publication Number | Publication Date |
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| CN214174218U true CN214174218U (en) | 2021-09-10 |
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| CN202120155001.9U Active CN214174218U (en) | 2021-01-20 | 2021-01-20 | Device for measuring combustion heat in cigarette burning and smoking process |
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2021
- 2021-01-20 CN CN202120155001.9U patent/CN214174218U/en active Active
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