摘要
分别采用空气干燥法和通氮干燥法对高水分煤进行全水分测定,并通过数理统计分析2种方法在测定全水分时的差异性。分析结果表明:采用通氮干燥法和空气干燥法测定高水分煤全水分时,其重复性均较好且测试精密度无显著性差异,但该2种方法在准确度比较上存在显著性差异。
Total moisture in high moisture coal was tested by drying in air method and drying in nitrogen method.Difference between these two methods was analyzed according to mathematical statistics.Experimental investigation indicated that there was no significant difference in testing precision for these two methods,and the therepetitiveness was good,but significant difference existed when studying testing accuracy.
出处
《煤质技术》
2014年第3期24-25,35,共3页
Coal Quality Technology
关键词
高水分煤
通氮干燥法
空气干燥法
全水分
high moisture coal
drying in nitrogen method
drying in air method
total moisture
