利用煤矸石配料制备喷射水泥的研究  

Study on Using Coal Gangue as One of Raw Materials to Prepare Jet Cement

作　　者：赵海晋 高建荣 阎冬生 

机构地区：[1]山西综合职业技术学院,山西太原030006 [2]山西汾西矿业水泥厂,山西介休030600

出　　处：《水泥工程》2008年第3期27-28,40,共3页Cement Engineering

摘　　要：研究了用煤矸石代矾土配料制备矿山及地下工程用喷射水泥,该水泥含主要矿相C11A7·CaF2、C4A3S、C3S和少量矿相C2S。其中C11A7·CaF2和C4A3水化产物提供早期强度,C3S和C2S水化产物保证中后期强度。该水泥的初凝时间4min,终凝时间11min,1h强度为16.5MPa;中后期强度稳定增长,凝结时间和强度满足喷射要求。In this paper, coal gangue is used as substitute of alum clay to prepare jet cement applied in mining and substructure work. In the cement, there are main minerals C11A7· CaF2, C4A3 and C3S, besides minor C2S. Among these minerals, C11A7· CaF2 and C4A3 contributes to early strength of hydrated products, while C3S and C2S provide middle-age and later strength. Initial setting time of the cement is 4 min, final time is 1 1min, 1h strength is 16.5 MPa, middle-age and later strength increase stead, and setting time and strength meet jet requirements.

关 键 词：煤矸石 喷射水泥 氟铝酸钙 硫铝酸钙 

分 类 号：TQ172.4[化学工程—水泥工业]