煤自燃预测技术研究现状

Research Status of Predicting Coal Spontaneous Combustion

通过研究煤的自燃机理,得出了煤自燃的致灾机理及煤氧化自燃过程的表现特性,为煤自燃预测技术提供了理论依据。基于煤自燃特性,以温度、生成物等宏观量为检测指标,通过采用气体成分分析、测温、仿生气味监测、磁力预测等技术手段对煤自燃进行预测。为了提高对煤自燃预测的准确性并发展煤自燃机理,对煤氧化自燃过程中煤分子变化进行研究,以煤分子的微观变化为特性进行煤自燃预测具有一定的实际意义。

By studying the mechanism of coal spontaneous combustion, it obtained the disaster - causing mechanism of coal spomaneeous combustion and the performance characteristics of coal oxidation spontaneous combustion, which provided the theoretlcal basis for the predicting technology of coal spontaneous combustion. Based on the coal spontaneous combustion characteristics, the macroscopic quantities were used for detection indicators, such as temperature, resultant and so on. The technical measures were used to predict coal spontaneous combustion, which included gas composition analysis, temperature measurement, bionic odor monitoring aml magnetic prediction. In order to enhance the accuracy of coal spontaneous combustion and develop the mechanism of coal spoll｜aneous conlbtlstion, it studied the change of coal molecular in the process of coal oxidation spontaneous combustion. It had certain practical significance to predict coal spontaneous combustion based on the microscopic change characteristies of coal molecular.