Experiment system and method for stimulating combustible matter smoldering reactions

A technology of an experimental system and a reaction system, applied in the field of smoldering fire research of combustibles, can solve problems such as the error between the effect and the actual situation, and achieve the effect of comprehensive measurement, diversified functions, and wide applicability.

Inactive Publication Date: 2015-07-15
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although there have been researches on the smoldering of combustibles, the experiments basically use a fixed experimental device, and the heat exchange conditions are unchang

Method used

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  • Experiment system and method for stimulating combustible matter smoldering reactions
  • Experiment system and method for stimulating combustible matter smoldering reactions

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Embodiment 1

[0035] The structure of the experimental system used to simulate the smoldering reaction of typical combustibles described in this embodiment can be found in figure 1Specifically, it includes three parts: the smoldering environment system, the smoldering reaction system, and the smoldering process monitoring system. These three parts are interlocking. Among them, the smoldering environment system mainly adjusts the environment of the smoldering reaction system (heating time, heat flow intensity, oxidant flow rate and oxygen concentration parameters, etc.) to meet the experimental requirements. The smoldering experimental device and the smoldering process monitoring system are used to monitor the heating temperature and the internal temperature of combustibles during the experiment, wherein the smoldering environment system is connected to the smoldering reaction system through a gas pipeline. This embodiment provides a set of scientific experiment platform for the study of smo...

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Abstract

The invention discloses an experiment system and method for stimulating the combustible matter smoldering reactions. The experiment system comprises a smoldering environment system for providing a smoldering environment, a smoldering reaction system for carrying out combustible matter smoldering reactions, and a smoldering process monitoring system for monitoring the heating temperature and the internal temperature of the combustible matter during the experiment process; wherein the smoldering environment system and the smoldering reaction system are connected through a gas supply pipeline; and the smoldering environment system comprises a gas environment adjusting device for adjusting the oxygen gas concentration and a heating environment adjusting device for adjusting the heating time. The experiment system can also comprise a smoke condensation sampling system, a gas chromatography (GC), a combustion analyzer, and the like. The provided system and method can be used to stimulate the typical combustible matter smoldering reactions, and the influence factors such as heating time, oxidant flow, oxygen gas concentration, and the like can be adjusted in the experiment system, so that people can research the typical combustible matter smoldering reactions more comprehensively.

Description

technical field [0001] The invention relates to the field of research on smoldering fires of combustibles, in particular to an experimental system and an experimental method for simulating the smoldering reaction of typical combustibles. Background technique [0002] At present, a large number of new construction and decoration materials are emerging, and quite a lot of products contain a large amount of combustible or flammable polymers. A small amount of heat may cause such materials to smolder and fire, releasing a large amount of smoke and fire. Toxic gas directly endangers people's lives. More smoldering refers to incomplete combustion that occurs under oxygen-deficient conditions and releases more toxic gases than usual flaming combustion. In addition, since smoldering mostly occurs inside the material, it is difficult to detect and extinguish. Compared with flaming combustion, a small amount of heat can cause the material to smolder, and under certain conditions to ...

Claims

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Application Information

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IPC IPC(8): G01N31/12
Inventor 梁栋赵哲雷毅王海蓉罗权兵莫善军沈浩
Owner SUN YAT SEN UNIV
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