煤炭发热量检验需重视的问题  

Problems Need to Be Paid Attention to in Process of Coal Calorific Value Determining

作　　者：王军华[1] 张怡[1] 赵亚娟[1] 

机构地区：[1]海南出入境检验检疫局检验检疫技术中心,海南海口575800

出　　处：《中州煤炭》2010年第9期31-32,共2页Zhongzhou Coal

摘　　要：煤炭的发热量是煤质分析的重要指标,发热量的准确测定意义重大,但其准确测定受到人员、环境、仪器等各种因素的影响。提出了影响发热量准确测定过程中容易被检测人员所忽视的若干问题,如环境控制、电子天平检查、仪器热容量有效工作范围标定等,并针对问题提出了相应的解决办法。The calorific value of coal is an important index for coal quality analysis,to accurately determine the calorific value is very important.But the accuracy of the determination may be influenced by the staffs,the environment,equipment and so on.This paper aimmed at announcing some problems that may be frequently ignored in the process of determining calorific value,such as enviroment control,the check of electronic balance,effective work scope calibration of heat capacity of equipment,and so on.The paper also gave relevant solutions to the above problems.

关 键 词：发热量 仪器热容量 量热仪 样品燃烧产物 

分 类 号：TQ533.4[化学工程—煤化学工程]