基于煤质工业分析指标的煤尘云最低着火温度预测模型构建
|
摘要
为探究利用煤质工业分析指标预测煤尘云最低着火温度的可行性,开展了煤的工业分析指标测定与煤尘云最低着火温度试验。应用主成分回归方法分析了22种煤样的工业分析指标与煤尘云最低着火温度之间的关系,结果显示:不同煤质工业分析指标与煤尘云最低着火温度之间均存在高度的相关性,提取出三大主成分因子分别为固定碳因子、水分因子、挥发分因子,并构建出回归预测模型。该预测模型的预测结果与试验所测数据相比,误差小于5%,同时由挥发分因子前的系数为负数可知,挥发分越高对应的煤尘云最低着火温度就越低,这与实际情况一致,证实了所建模型的可靠性。
In order to explore the feasibility of using the industrial analysis index to predict the minimum ignition temperature of coal dust cloud,the determination of industrial analysis index of coal and minimum ignition temperature test of coal dust cloud were carried out. This paper analyzed the relationship between the industrial analysis index of 22 kinds of coal samples and the minimum ignition temperature of coal dust cloud by using principal component regression method. The results showed that: the industrial analysis index of different coal and the minimum ignition temperature of coal dust cloud are highly correlated. The extracted three main components are "fixed carbon factor","water factor "and "volatile factor ",and the regression prediction model is constructed. Comparing the prediction results of this model with the test data,the error is less than5%. Meanwhile,as the coefficient before the volatile factor is negative,it can be seen that the higher the volatility,the lower the minimum ignition temperature. It is consistent with the actual situation,and proves the reliability of the built model.
In order to explore the feasibility of using the industrial analysis index to predict the minimum ignition temperature of coal dust cloud,the determination of industrial analysis index of coal and minimum ignition temperature test of coal dust cloud were carried out. This paper analyzed the relationship between the industrial analysis index of 22 kinds of coal samples and the minimum ignition temperature of coal dust cloud by using principal component regression method. The results showed that: the industrial analysis index of different coal and the minimum ignition temperature of coal dust cloud are highly correlated. The extracted three main components are "fixed carbon factor","water factor "and "volatile factor ",and the regression prediction model is constructed. Comparing the prediction results of this model with the test data,the error is less than5%. Meanwhile,as the coefficient before the volatile factor is negative,it can be seen that the higher the volatility,the lower the minimum ignition temperature. It is consistent with the actual situation,and proves the reliability of the built model.
引文
[1]李雨成.矿井粉尘防治理论及技术[M].北京:煤炭工业出版社,2015.
[2]李庆钊,林柏泉,张军凯.矿井煤尘的分形特征及对其表面润湿性能的影响[J].煤炭学报,2012,37(1):138-142.
[3]王德明.矿井火灾学[M].徐州:中国矿业大学出版社,2008.
[4]钟英鹏,徐冬,李刚.镁粉尘云最低着火温度的实验测试[J].爆炸与冲击,2009,29(4):429-433.
[5]李雨成,刘天奇,李智.爆破掘进空间内粉尘非稳态运移规律研究[J].中国安全生产科学技术,2014,10(6):33-38.
[6]赵文彬,乔善成,王金凤.焦煤产尘粒径分布特征与产尘规律分析[J].煤炭科学技术,2016,44(6):164-168.
[7]李刚,平洋,吴卫卫.瓦斯煤粉耦合体系着火实验研究[J].煤炭学报,2013,38(8):1388-1391.
[8]ECKHOFF R K.Current status and expected future trends in dust explosion research[J].Journal of Loss Prevention in the Process Industries,2005,18(4-6):225-237.
[9]陈金健,胡双启,胡立双.惰性介质对煤粉最低着火温度的影响[J].中国粉体技术,2015,21(5):93-96.
[10]金龙哲,段健,欧盛南.煤粉燃烧性与工业分析、着火温度的相关性研究[J].中国安全生产科学技术,2012,8(4):40-43.
[11]金龙哲.矿井粉尘防治理论[M].北京:科学出版社,2010.
[12]粉尘云最低着火温度测定方法:GB/T 16429—1996[S].
[13]李雨成,刘天奇,陈善乐.煤质指标对煤尘爆炸火焰长度影响作用的主成分分析[J].中国安全生产科学技术,2015,11(3):40-46.
[14]吕伏,梁冰,孙维吉.基于主成分回归分析法的回采工作面瓦斯涌出量预测[J].煤炭学报,2012,37(1):113-116.
[15]邓军,屈姣,王秋红.烟煤煤尘云最低着火温度实验研究[J].矿业安全与环保,2014,41(6):13-16.
[16]毕建武,贾进章,刘丹.基于SPSS多元回归分析的回采工作面瓦斯涌出量预测[J].安全与环境学报,2013,13(5):183-186.
[2]李庆钊,林柏泉,张军凯.矿井煤尘的分形特征及对其表面润湿性能的影响[J].煤炭学报,2012,37(1):138-142.
[3]王德明.矿井火灾学[M].徐州:中国矿业大学出版社,2008.
[4]钟英鹏,徐冬,李刚.镁粉尘云最低着火温度的实验测试[J].爆炸与冲击,2009,29(4):429-433.
[5]李雨成,刘天奇,李智.爆破掘进空间内粉尘非稳态运移规律研究[J].中国安全生产科学技术,2014,10(6):33-38.
[6]赵文彬,乔善成,王金凤.焦煤产尘粒径分布特征与产尘规律分析[J].煤炭科学技术,2016,44(6):164-168.
[7]李刚,平洋,吴卫卫.瓦斯煤粉耦合体系着火实验研究[J].煤炭学报,2013,38(8):1388-1391.
[8]ECKHOFF R K.Current status and expected future trends in dust explosion research[J].Journal of Loss Prevention in the Process Industries,2005,18(4-6):225-237.
[9]陈金健,胡双启,胡立双.惰性介质对煤粉最低着火温度的影响[J].中国粉体技术,2015,21(5):93-96.
[10]金龙哲,段健,欧盛南.煤粉燃烧性与工业分析、着火温度的相关性研究[J].中国安全生产科学技术,2012,8(4):40-43.
[11]金龙哲.矿井粉尘防治理论[M].北京:科学出版社,2010.
[12]粉尘云最低着火温度测定方法:GB/T 16429—1996[S].
[13]李雨成,刘天奇,陈善乐.煤质指标对煤尘爆炸火焰长度影响作用的主成分分析[J].中国安全生产科学技术,2015,11(3):40-46.
[14]吕伏,梁冰,孙维吉.基于主成分回归分析法的回采工作面瓦斯涌出量预测[J].煤炭学报,2012,37(1):113-116.
[15]邓军,屈姣,王秋红.烟煤煤尘云最低着火温度实验研究[J].矿业安全与环保,2014,41(6):13-16.
[16]毕建武,贾进章,刘丹.基于SPSS多元回归分析的回采工作面瓦斯涌出量预测[J].安全与环境学报,2013,13(5):183-186.