Method and device for simulating process of burning cigarette to generate smoke

A technology for smoke and cigarettes, which is applied in the field of simulating the combustion of cigarettes to generate smoke, can solve the problems of low content of cigarette smoke components, difficulty in accurate determination by conventional methods, and complex sample bodies, and achieves the effect of simple operation.

Inactive Publication Date: 2012-09-19
YUNNAN RES INST OF TOBACCO SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The content of some cigarette smoke components is very low, and the sample body is very compl

Method used

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  • Method and device for simulating process of burning cigarette to generate smoke
  • Method and device for simulating process of burning cigarette to generate smoke

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The device for simulating smoke generated by cigarette combustion is composed of a heating device 4, two sets of traps 7, 8, a suction pump 9, and an exhaust gas trapping device 10. The tail 5 of the heating device 4 is connected to two sets of traps 7, 8. The catcher 8 is connected to the suction pump 9, the suction pump 9 is connected to the exhaust gas collection device 10, the other end of the heating device is connected to the gas source 1, and a gas flow meter 2 is connected, and put in the two catchers Cambridge filter 6.

[0016] Put the shredded tobacco sample into the sample placement place 3 in the heating device, feed the air flow, adjust the air intake through the flow meter 2, the atmospheric pressure at the gas flow meter is limited to 90kPa, adjust the air intake and air intake with the suction pump 9 The exhaust volume is balanced, and the air flow rate is 900mL / min; then, infrared heating is carried out on the heating device to burn the sample. Heat f...

Embodiment 2

[0018] The device for simulating the smoke generated by cigarette combustion is the same as in Example 1. Add 0.1 g of the glucose sample evenly on the quartz wool and place it at 3 places where the sample is placed. , Atmospheric pressure at the gas flowmeter is limited to 100kPa, use a suction pump to adjust the balance of gas intake and exhaust volume, the flow rate is 1000mL / min, conduct infrared heating on the heating device to burn the sample, and the heating temperature is 400 ℃ ~ 800 °C, the time used is 50 sec, and then from 800 °C to 400 °C, the time used is 1 min, until the glucose sample is burned out. The captured Cambridge filter is tested and analyzed according to the requirements according to the standard detection method, so as to obtain the content of the target substance to be investigated during the combustion process of glucose.

Embodiment 3

[0020] The device for generating flue gas by imitating cigarette combustion is the same as in Example 1. Add potassium nitrate to the cut tobacco sample by 3% of the cut tobacco sample mass, then weigh 0.7g and place it at 3 places where the sample is placed, and inject a nitrogen-oxygen mixture ( o 2 :N 2 =9:91), the atmospheric pressure at the gas flowmeter is limited to 90kPa, use a suction pump to adjust the gas intake and exhaust volume balance, the flow rate is 1050mL / min, conduct infrared heating on the heating device to burn the sample, and raise the heating temperature From 400°C to 800°C, the time used is 50 sec, and then from 800°C to 400°C, the time used is 1 min, which can be circulated until the sample is burned out. The captured Cambridge filter is tested and analyzed according to the requirements according to the standard detection method, so as to obtain the content of the target substance to be investigated produced during the combustion process of the shred...

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PUM

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Abstract

The invention relates to a method and a device for simulating the process of burning a cigarette to generate smoke. The device consists of a heating device, two groups of catchers, a suction pump and a tail gas catching device, wherein the tail part of the heating device is connected with the two groups of catchers which are connected in series; the catchers are connected with the suction pump; the suction pump is connected with the tail gas catching device; the other end of the heating device is connected with a gas source and a gas flow meter; and Cambridge filters are arranged in the two catchers. The method comprises the following steps of: putting a certain amount of prepared sample into the heating device, introducing gas, limiting atmospheric pressure at the gas flow meter to 90-100kPa, and adjusting the inlet amount and discharge amount of the gas to achieve balance by using the suction pump, wherein gas flow is 900 to 1,050mL/min; and performing infrared heating to burn the sample by using the heating device, raising the temperature from 400 to 800 DEG C for 50 seconds, reducing the temperature from 800 to 400 DEG C for 1 minute, heating until the tobacco shred sample is burnt out, and detecting and evaluating gas caught by the gas catching device to obtain the content of a target substance generated in the process of burning the sample.

Description

technical field [0001] The invention relates to a method and a device for simulating cigarette combustion to generate smoke. Background technique [0002] The health effects of smoking mainly come from certain chemicals released by tobacco combustion, including carbon monoxide, polycyclic aromatic hydrocarbons, and tobacco-specific nitrosamines. Some cigarette smoke components are very low, and the sample body is very complex, so it is difficult for conventional methods to meet the requirements of accurate determination. Because of methodological limitations, breakthroughs in analytical detection technology have become the key to in-depth research on smoking and health. [0003] With the rapid development of the precision of instrument analysis technology, how to establish a fast and reliable sample pretreatment technology, which can provide more accurate, more sensitive, specific, fast and simple pretreatment method is very important. Contents of the invention [0004] ...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N1/44G01N31/12
Inventor 刘春波刘志华何沛赵伟韩敬美王昆淼陈永宽缪明明
Owner YUNNAN RES INST OF TOBACCO SCI
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