CAJ | 학술논문

在无焦煤的炼焦条件下,将徐州气煤和枣庄肥煤两种煤混合,以此混煤为基础煤料,添加不同粒度的焦粉、瘦煤、无烟煤进行坩埚焦炼焦实验,对所炼制的坩埚焦进行焦炭光学组织、焦炭显微强度和结构强度分析测试。结果表明,添加惰性物使焦炭的各向异性指数(OTI)增大,I + Mf + FF 减小；3种惰性物中,添加焦粉对提高焦炭显微强度和结构强度效果最好；惰性物的粒度越小,提高焦炭质量效果越明显。
재무초매적련초조건하,장서주기매화조장비매량충매혼합,이차혼매위기출매료,첨가불동립도적초분、수매、무연매진행감과초련초실험,대소련제적감과초진행초탄광학조직、초탄현미강도화결구강도분석측시。결과표명,첨가타성물사초탄적각향이성지수(OTI)증대,I + Mf + FF 감소；3충타성물중,첨가초분대제고초탄현미강도화결구강도효과최호；타성물적립도월소,제고초탄질량효과월명현。
Crucible coking experiment without coking coal is carried out by taking the mixture of Xuzhou gas coal and Zaozhuang fat coal as basic coal material,and adding coke fines,lean coal and anthracite coal of various sizes. The coke optical texture,coke micro strength index and structure strength index of obtained crucible coke are measured and tested. The result shows that with the addi-tion of inert materials,OTI of coke increases,while I + Mf + FF decreases. Among the three inert ma-terials,addition of coke fines is the most effective way to improve coke micro strength and structure strength. The smaller the inert material size,the better the coke quality.