摘要
研究了不同比例下顶装焦与捣固焦均匀混合后焦炭的等温连续热反应,结果表明:当顶装焦与捣固焦分别以3∶1,2∶1和1∶1的质量比混合进行反应时,捣固焦优先于顶装焦与CO2反应,使顶装焦的反应性(CRI)较单独使用时明显降低,反应后强度(CSR)明显改善.随捣固焦混合比例的增加,混合焦炭的CRI增大,CSR减小,其中,顶装焦的CRI减小,CSR增大,捣固焦的CRI增大,CSR减小,并且混合焦炭的CSR和CRI的实测值与计算值接近.混合焦炭可使优质焦得到保护,保障焦炭整体的骨架支撑作用.
The isothermal continuous thermal reaction was investigated by mixing with top charging coke and tamping coke.The results showed that tamping coke should be reacted prior to top charging coke by the mixed mass ratio of 3∶1,2∶1and 1∶1,the CRI decreased and the CSR improved obviously for top charging coke.With the increase of the mixing ratio of tamping coke,the overall CRI of mixing coke increased and the CSR decreased,while the CRI decreased and the CSR increased for top charging coke,CRI increased and CSR decreased for tamping coke.The actual values of CSR and CRI of mixed cokes were in close agreement with the calculated values in different mixed ratio.So that using the mixed cokes would make high quality coke get protection,and enhance the skeleton function of overall coke.
出处
《煤炭转化》
CAS
CSCD
北大核心
2016年第4期56-60,共5页
Coal Conversion
基金
国家自然科学基金-煤炭联合基金资助项目(U1361128)
安徽高校省级自然科学研究项目(KJ2016A809)
