Detection method for permeability of cigarette burning cone

A detection method and combustion cone technology are applied in permeability/surface area analysis, measurement device, suspension and porous material analysis, etc., to achieve the effect of convenient and reliable implementation steps and accurate and reliable detection results

Active Publication Date: 2015-12-16
ZHENGZHOU TOBACCO RES INST OF CNTC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no similar patent focusing on the detection method of the physical properties of cigarettes

Method used

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  • Detection method for permeability of cigarette burning cone
  • Detection method for permeability of cigarette burning cone
  • Detection method for permeability of cigarette burning cone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 1) Place a certain brand of cigarette samples in a constant temperature and humidity room with a temperature of 22±2°C and a relative humidity of 60±5% for 48 hours to balance, and select a number of cigarettes. Single weight ±5mg;

[0014] 2) After igniting the cigarette, perform ISO standard smoking (2s, 35ml). Within 3s after the end of the first puff, put the cigarette in a nitrogen atmosphere to extinguish it, and keep the cigarette burning cone intact during the process;

[0015] 3) Seal the cigarette paper and tipping paper, connect a measuring instrument with a pressure sensor to the single-channel smoking machine, and detect the pressure drop of the cigarette with the combustion cone under the airflow velocity of 17.5ml / s; cut off the cigarette Combustion cone, to detect the pressure drop of a cigarette without a combustion cone at the same air flow rate; the difference between the two pressure drops is the pressure drop of the combustion cone at the flow rate ...

Embodiment 2

[0021] See Table 2 for the combustion cone detection results at the end of the second puff of a cigarette of a certain brand according to the ISO standard:

[0022] Table 2 Combustion cone penetration rate data after smoking the second cigarette

[0023]

Embodiment 3

[0025] The combustion cone detection results at the end of the third puff of a certain brand of cigarette ISO standard are shown in Table 3:

[0026] Table 3 Combustion cone penetration rate data after the third puff of the cigarette

[0027]

[0028] It can be seen from the above examples that the method of the present invention can obtain the permeability parameter data of the cigarette combustion cone, and the detection method has the characteristics of high process repeatability and small standard deviation of results.

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Abstract

The invention relates to a detection method for permeability of a cigarette burning cone. The detection method is characterized in that the permeability of the cigarette burning cone is lastly acquired by detecting if the cigarette pressure drop change of the burning cone exists in the cigarette and combining with the value simulation for a burning cone area flowing model. The detection method comprises the following concrete steps: 1) selecting the cigarette; 2) performing ISO standard suction after burning the cigarette, putting the cigarette under a nitrogen condition and extinguishing by braising; 3) sealing the cigarette paper and tipping paper, detecting the cigarette pressure drop with the burning cone and without the burning cone, and taking the difference value as the pressure drop of the burning cone; and 4) performing geometric modeling on the burning cone, establishing a stable influent mathematical model in the cigarette burning cone area, and lastly calculating the permeability of the cigarette burning cone. The detection method provided by the invention has the advantages that 1) the realizing steps are simple and reliable and the quantitative detection for the permeability of the cigarette burning cone is realized; 2) one-dimensional flow of the airflow in the burning cone is not required due to the assistance of the value simulation; and 3) the burning cone is not damaged during the detection process and the detecting result is accurate and reliable.

Description

technical field [0001] The invention relates to a method for detecting the permeability of a cigarette burning cone. Specifically, using cigarettes as raw materials, the method of combining combustion cone pressure drop measurement and numerical simulation is used to obtain physical property data of cigarette combustion cone permeability, which belongs to the technical field of chemical industry and material production. Background technique [0002] With the rising wave of smoking ban and tobacco control, tar reduction and harm reduction, as the focus and hot spot of the tobacco industry, are also the key to promoting the development of cigarette brands. The analysis and regulation of seven harmful chemical components in smoke represented by CO, HCN, NK, NH, B[a]P, phenol, and crotonaldehyde have always been the direction of engineering research efforts in the tobacco field. Cigarette combustion cone is the area where nicotine, tar and its harmful chemical components are ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
Inventor 王乐邓楠李斌鲁端峰张明建王兵
Owner ZHENGZHOU TOBACCO RES INST OF CNTC
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