化工进展2017,Vol.36Issue(2):494-501,8.DOI:10.16085/j.issn.1000-6613.2017.02.013
煤热解反应热测定方法研究进展
Measurement of reaction heat of coal pyrolysis:state-of-the-art
摘要
Abstract
In nature pyrolysis can be considered as the initial stage and/or paralleling part of coal combustion,gasification and direct liquefaction,and pyrolysis itself is also one of the fundamental technologies in coal conversion processes. Thus it is understandable that reaction heat of coal pyrolysis is of significance that it is the important thermodynamic parameter used in reactor design,mechanism study,and energy efficiency assessment. This paper presents a critical survey on the status of methods and techniques for measurement of pyrolysis reaction heat of coal and relevant heterogeneous organic matters,and a detailed analysis and comparison of these methods,such as model prediction methods (Merric model,Strezov model)and experimental measuring methods(heat value method,electricity power method,computer aided thermal analysis,and differential scanning calorimetry method)were conducted,in which especial attention was paid to the possibility of application of these methods in the measurement of pyrolysis reaction heat. Results show that an easy,but rational and considerable accurate method for measurement of coal pyrolysis heat on the basis of TG-DSC technique could be established under conditions that the effects of measuring parameters on measurement precision are thoroughly studied and elucidated,as well as the measurement data resolution process is constructed.关键词
煤/热解/反应热/测量Key words
coal/pyrolysis/reaction heat/measurement分类
化学化工引用本文复制引用
何璐,解强,梁鼎成,仝胜录,郜丽娟,姚金松..煤热解反应热测定方法研究进展[J].化工进展,2017,36(2):494-501,8.基金项目
国家高技术研究发展计划项目(2011AA05A202)。 ()