Self-heating experimental simulation device for combustible solids

An experimental simulation, flammable solid technology, applied in the direction of material thermal development, can solve the problem of difficult to reflect the self-heating process of flammable substances, and achieve good heat storage effect

Inactive Publication Date: 2015-11-04
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the limitations of existing methods, it is difficult for existing technologies to reflect the self-heating process in the storage and transportation of flammable substances, and the experimental device we designed can make up for this deficiency

Method used

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  • Self-heating experimental simulation device for combustible solids

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with specific examples.

[0018] Such as figure 1 As shown, the flammable solid self-heating experimental simulation device described in this embodiment includes a combustion chamber 3, an infrared heating tube 1, a centrifugal blower 4, an exhaust fan 12, a stainless steel insulation barrel without a cover 7, and a constant temperature heating control Box 2, armored thermocouple 9, data acquisition instrument 6. Wherein, the combustion room 3 is a rectangular room with four walls in total. A fire door 11 is provided on one of the walls, and infrared heating tubes 1 are installed on the inner walls of the remaining three walls. The centrifugal blower 4 is placed to promote the air flow in the combustion room, so that the temperature inside the combustion room is uniform. An exhaust fan 12 is installed on the upper part of the combustion room 3 to prevent the self-heating of solid flammable substances ...

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Abstract

The invention discloses a self-heating experimental simulation device for combustible solids. The self-heating experimental simulation device comprises a combustion room, infrared heating pipes, a centrifugal type air blower, an exhaust fan, a coverless stainless steel heat preservation barrel, a constant-temperature heating control tank, a sheathed thermocouple and a data acquirer, wherein a fireproof door is formed in one wall of the combustion room, and the infrared heating pipes are arranged on the inner wall surfaces of the other walls; the centrifugal type air blower is arranged at the corner of the combustion room; the exhaust fan is mounted at the upper part of the combustion room; the stainless steel heat preservation barrel is placed in the middle of the combustion room and serves as a sample barrel for containing an experiment sample; the constant-temperature heating control tank is arranged outside the combustion room, and a temperature control point is placed near to the stainless steel heat preservation barrel; the sheathed thermocouple is inserted to the bottom of the stainless steel heat preservation barrel and is connected with the data acquirer arranged outside the combustion room; the data acquirer is connected to a computer and records data through the computer. The self-heating experimental simulation device can really simulate a self-heating process in the storage and transportation process of solid combustible substances by an experiment.

Description

technical field [0001] The invention relates to the technical field of flammable solid self-heating experiment simulation, in particular to a flammable solid self-heating experiment simulation device, which performs experimental simulation on the self-heating process of the actual solid flammable material storage and transportation process. Background technique [0002] For solid flammable substances with self-heating characteristics, most of them recommend using the Chinese national standard "GB / T 21612-2008 Self-heating Test Method for Flammable Solids of Hazardous Goods" to judge their hazards during storage and transportation. sex. It is mainly based on 100mm 3 and 25mm 3 The experimental results at temperatures of 140°C, 120°C and 100°C respectively classify their hazards during storage and transportation. However, this experimental method is only suitable for a small number of experimental samples to complete the experiment at high temperature, and it is difficult t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/22
Inventor 罗权兵梁栋沈浩莫善军赵哲
Owner SUN YAT SEN UNIV
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