Detection device of characteristic of smoldering and use method

A detection device and characteristic technology, applied in the field of detection, can solve the problem of whether there is no material with a smoldering characteristic detection instrument, etc., and achieve the effect of simple and fast test process, easy control and scientific design.

Active Publication Date: 2015-02-04
应急管理部四川消防研究所
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Problems solved by technology

[0004] On October 14, 2001, an open-air stack of cotton warehouses in a textile company in Xiangshui County, Jiangsu Province suddenly caught fire. 1,060 cotton bales and nearly 100 tons of cotton were all burned, causing economic losses of more than 150,000 yuan
Regarding whether the material has smoldering characteristics, there is currently no testing instrument at home and abroad that can test whether the material has smoldering characteristics

Method used

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  • Detection device of characteristic of smoldering and use method

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0041] Such as figure 1 As shown, the smoldering characteristic detection device disclosed in the present invention includes a heating furnace 1, a sample rack 6, a sample rack inserting device 16, 2 thermocouples, an air stabilizer 8, an airflow cover 2, a stainless steel support 7, a temperature control System 12 and computer 14 .

[0042] The heating furnace 1 is composed of a heating furnace tube 5 , a heating resistance band 4 and a cylindrical tube 3 .

[0043] The heating furnace tube 5 adopts a density of 2800±300kg / m 3Made of high-quality bauxite refractory material, with a height of 150±1mm, an inner diameter of 145±1mm, and a wall thickness of 10±1mm. The heating furnace tube 5 is installed in a cylindrical tube 3 with a height of 150mm and a wall thi...

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Abstract

The invention discloses a detection device of a characteristic of smoldering. The detection device comprises a heating furnace, a sample frame for holding test samples, two temperature sensors and a temperature control system, wherein the heating furnace comprises a heating furnace pipe, a heating resistance belt and a cylindrical pipe; the heating furnace pipe is arranged at the central part of the cylindrical pipe; the heating resistance belt is uniformly wound around the heating furnace pipe; an air flow stabilizer is connected to the bottom part of the heating furnace; an airflow cover is connected to the top part of the heating furnace; the sample frame is positioned in the heating furnace; one temperature sensor is positioned at the center of the sample frame and the other temperature sensor is positioned between the sample frame and the inner wall of the heating furnace; and the heating resistance belt and the temperature sensors are electrically connected with the temperature control system.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a smoldering characteristic tester. Background technique [0002] Smoldering is a form of combustion that spreads slowly and without flames. It belongs to the initial stage of a fire. Since there is no open flame, only smoke is emitted, which generally does not attract attention, and the fire gradually expands unconsciously. When the conditions are right, it will quickly transform into fireworks, causing even greater harm. Smoldering is a very unique combustion process. It is different from flaming combustion. It only burns at the gas-solid phase interface and does not produce flames or flames close to the surface of combustibles. During the combustion process, combustible substances become hot and burn very slowly. The gas released per unit time The heat is relatively small. [0003] At the same time, smoldering has a certain degree of concealment, and it is usually not eas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/12
Inventor 刘松林赵成刚刘军军邓小兵曾绪斌朱剑
Owner 应急管理部四川消防研究所
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