Finally , some problems met in the induction - heating free - oil ignition technology of pc , such as cokeability and ignition of low volatile coal , are analyzed and discussed . this broadens the way for further research 最后,本文對(duì)感應(yīng)加熱煤粉無(wú)油點(diǎn)火中存在的結(jié)焦問(wèn)題和低揮發(fā)份煤種的點(diǎn)燃問(wèn)題進(jìn)行分析和討論,為今后的研究積累了經(jīng)驗(yàn)、開(kāi)拓了思路。