摘要
本文利用光学显微镜,从飞灰里区分出三种炭颗粒微结构类型,即空心炭、未熔炭和网状炭。阐明了煤岩成分、不同类型炭及炭燃烧特性之间的关系。研究结果表明,空心炭来自于活性组分,燃尽性好;未熔炭由惰性组分形成,燃尽性差;网状炭由过渡性显微组分转化而来,其燃尽性介于前两者之间。
By using optical microscopy three types of microstructure were identified in fly ash, namely hollow, infusible and reticular char particles. Relations between petrographic compositions, char types and their combustion behavior were described. The study revealed that hollow char was produced from activated macerals and had a good burnt-out behavior; infusible char particles were from inertinite and had a poor burnt-out behavior; reticular char particles were derived from transitional macerals and its burnt-out behavior was in between hollow and infusible char particles.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
1990年第2期80-85,共6页
Journal of China Coal Society
关键词
煤岩
成分
炭
颗粒结构
燃烧
petrographic composition
microstructure of char particles
combustion behavior
fly ash
