商品煤检验中粘结指数综合精密度的设定研究

The Research of Comprehensive Precision of Caking Index in the Commodity Coals Inspection

在商品煤检验中,粘结指数是烟煤验收中一项重要的工业分析指标,它是反映炼焦用烟煤质量好坏的重要指标。在检测商品烟煤粘结指数中,由于涉及取样、制样、化验三个环节,而每个环节检测中涉及的不确定因素较多,这些因素对强粘结性烟煤、较强粘结性烟煤、弱粘结性烟煤的影响又不同,所以,在商品煤检验中需制定出一个烟煤粘结指数的取样、制样、化验过程的综合精密度。

In the commodity coals inspection, caking index is a very important industrial analysis index in the acceptance of bituminous coal and an important index of the coking coal quality. In the determination of caking index of bituminous coal, it＇s necessary to formulate comprehensive precision of caking index of bituminous coal in the process of sampling, sample preparation and testing, because there are an amount of uncertain factors in the process. These factors have different impacts on the bituminous coal with high caking property, strong caking bituminous coal and weakly caking bituminous coal.