煤的奥亚膨胀度测试及注意事项  

Measurement of coal's auya expansion and precautions

作　　者：闻振海 Wen Zhenhai(New Energy Geological Team of Hebei Coalfield Geological Bureau,Xingtai 054000,China)

机构地区：[1]河北省煤田地质局新能源地质队,河北邢台054000

出　　处：《煤炭与化工》2020年第3期153-156,共4页Coal and Chemical Industry

摘　　要：阐述煤的奥亚膨胀度的测试原理及步骤,给出了测试结果的分析计算方法;阐明煤样品制备、储存、测试过程中极易出现的操作影响因素,明确了减小测试误差的注意事项。准确的奥亚膨胀度测试结果对煤质分析和焦化工业生产具有重要意义。The test principle and steps of coal's auya expansion degree were described,and the analysis and calculation method of test results were given.The operational factors which are easy to appear in the process of coal sample preparation,storage and testing were expounded,and the precautions to reduce the test error were clarified.The accurate test results of auya expansion are of great significance for coal quality analysis and coking industry production.

关 键 词：煤 最大膨胀度 黏结性 样品粒度 温场 

分 类 号：TQ531.1[化学工程—煤化学工程]