Vol. 159, Issue 11, November 2013, pp. 60-65

Abstract: In this paper, a framework for finding out hot source of spontaneous combustion due to oxidation exothermic in oil tank is introduced. Spontaneous combustion in the Oil tank has become one of the most serious safety problems that affect the sustainable development of economy owing to the amount of stored crude oil increased with the development of the petroleum industry. In order to achieve a more efficient approach to detect accurately self-heating source in oil tank, the framework of detection system was proposed based on infrared detection instrumentation. Firstly, self-heating experiments of ferrous sulfide confirmed that there was a typical exothermic reaction, and when the temperature reached at about 340 degrees Celsius, the maximum rate of temperature has been rising. After that, a numerical model for analyzing the heat transfer effect on the tank was built, which took evident relationship between oil tank inside and outside. The results show that there exists the temperature difference from the center to the surrounding on the surface of the tank where oxidation exothermic reaction has been occurred. Therefore, the research achievements of the framework for detecting the self-heating source in oil tank can provide the sufficient basis to the design and construction of the detection system.

Keywords: Self-heating, Detection, Infrared Technique, Oil tank.

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