Cigarette ignition tendency testing device based on oxygen consumption principle

Abstract

The invention discloses a cigarette ignition tendency testing device based on an oxygen consumption principle. The cigarette ignition tendency testing device is characterized by comprising a combustion testing unit, a smoke filtering unit and a three-way valve which are sequentially connected, and also comprising a sampling pipeline and an exhaust pipeline which are connected with the three-way valve and are arranged in parallel, wherein an oxygen analyzer is connected to the sampling pipeline; an output end of the oxygen analyzer is connected with a computer; a heat release amount of a cigarette is obtained by calculating the oxygen consumption after the cigarette is ignited, so that the cigarette ignition tendency is characterized. The cigarette ignition tendency testing device is designed based on a classical theory of combustion science and is reasonable in structure and simple and convenient to operate, and the heat release amount of the cigarettes can be effectively tested, so that the cigarette ignition tendency is reflected, and the device has scientific theoretical support and strong persuasion. Moreover, the use amount of consumables in the testing process can be greatly reduced, the testing number of the cigarettes is reduced, the testing cost is obviously saved, and the testing efficiency is improved.

Description

technical field [0001] The invention relates to cigarette testing, in particular to a cigarette ignition tendency testing device based on the principle of oxygen consumption. Background technique [0002] Major fires are often caused by lit cigarettes falling on beds or upholstered furniture. The lit cigarette heats up the furniture material and starts to smolder, which then converts to an open flame, creating a fire. In order to reduce fires, the United States first started research on the flame retardancy of cigarettes. In the 21st century, the international community has increasingly deepened research on low ignition propensity (LIP) cigarettes. In 2002, the American Society for Testing and Materials ASTM issued the method standard ASTM E2187 for determining the ignition tendency of cigarettes. In 2010, the International Organization for Standardization issued the international standard ISO 12863 based on the ASTM E2187 method. [0003] According to ISO 12863 "Cigarett...

AI Technical Summary

Problems solved by technology

In an actual fire, multiple materials are often burned at the same time, and it is difficult to accurately know the composition and chemical reaction of each material, and there are effects of incomplete combustion

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