CAJ | 학술논문

简单介绍了分级研磨气化煤浆提浓技术，结合新增设备、设备布置探讨了水煤浆提浓技术在项目中的实践应用，并从水煤浆指标及主要气化指标等对煤浆提浓技术进行现场考核及效益分析。分析结果表明：采用分级研磨气化水煤浆提浓技术后，神华煤的煤浆浓度可由59.59％提高至62.82％，即与常规单磨机制浆技术相比，煤浆浓度可提高3.23％，煤浆流变性、稳定性和雾化性能均有明显的改善；煤浆浓度提高后，气化炉比煤耗可降低14.5 kg／kNm3，比氧耗降低16.1 Nm3／kNm3，有效合成气比例提高2.59％，有效气产量增加5914 Nm3／h，尿素增产可达4.18万t／a。
간단개소료분급연마기화매장제농기술，결합신증설비、설비포치탐토료수매장제농기술재항목중적실천응용，병종수매장지표급주요기화지표등대매장제농기술진행현장고핵급효익분석。분석결과표명：채용분급연마기화수매장제농기술후，신화매적매장농도가유59.59％제고지62.82％，즉여상규단마궤제장기술상비，매장농도가제고3.23％，매장류변성、은정성화무화성능균유명현적개선；매장농도제고후，기화로비매모가강저14.5 kg／kNm3，비양모강저16.1 Nm3／kNm3，유효합성기비례제고2.59％，유효기산량증가5914 Nm3／h，뇨소증산가체4.18만t／a。
This paper briefly introduced the technology of grade grinding gasification coal water mixture concentrage,combining with the additional equipment and equipment deployment,the practical application in project of coal water mixture concentrage technology was discussed,the spot check and profit analysis of coal water mixture concentrage technology were done from aspects such as coal water mixture indicators and main gasification indicators.Analysis results showed that by using the gasification coal water mixture concentrage by grinding stage technology,the concentration of Shenhua coal could be increased from 59.59% to 62.82%.Compared with single mill pulping technology,3.23% of coal slurry concentration could be increased,rheology, stability and atomization performance could all be significantly improved;after the increase of concentration of coal water mixture, gasification furnace coal consumption could be reduced by 14.5 kg/kNm3 ,oxygen consumption could be reduced by 16.1 Nm3/kNm3 ,effective synthesis gas proportion could be increased by 2.59%,the effective gas yield could be increased by 5914 Nm3/h,urea production could be improved to 41.8 thousand t/a.