煤的哈氏可磨指数波动影响因素分析  

Analysis of Factors Influencing Fluctuation of Coal's Hasleian Grindability Index

作　　者：巩道敏 于真 GONG Daomin;YU Zhen(Shiheng Special Steel Group Co.,Ltd.,Feicheng 271612,China)

机构地区：[1]石横特钢集团有限公司技术监督部,山东肥城271612

出　　处：《山东冶金》2021年第6期46-47,共2页Shandong Metallurgy

摘　　要：对煤的哈氏可磨指数产生的影响因素从设备、样品符合性、人员操作、标准筛采用等几个方面进行实验验证,明确了在哈氏可磨指数试验中标准筛使用中应注意的问题,提高了标准执行的规范性和检测结果的代表性。In this paper,the factors affecting the coal's Haeley grindability index were tested and verified from the aspects of equipment,sample conformity,personnel operation and standard sieve adoption,etc.The problems that should be paid attention to in the use of standard sieve in Haeley grindability index test were clarified,and the standardization of standard implementation and the representativeness of test results were improved.

关 键 词：哈氏可磨指数 标准筛 孔径偏差 筛下物质量 

分 类 号：TQ531[化学工程—煤化学工程]