尾砂膏体饱和率与泌水率的计算方法
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摘要
借助三相比率指标模型,定量推导出集料饱和率和泌水率的理论计算公式。通过理论分析计算得出,当料浆饱和率为101%~108%,泌水率为1%~7%,即构成合格的膏体,从而为膏体的判别提供理论依据。以某铜矿膏体充填为背景,通过试验验证了该公式具有较高的可靠性。
In this paper,the theoretical calculation formula of aggregate saturation rate and bleeding rate is deduced quantitatively by using the three-phase ratio index model of aggregate. According to the theoretical analysis and calculation,a qualified paste would form when the slurry saturation range is 101% ~ 108%,and the bleeding rate is in the range of 1% ~ 7%,which provides a theoretical basis for the paste determination. The gap between theoretically calculated and measured values is analyzed by experiment,and it is confirmed that the formula has high reliability.
In this paper,the theoretical calculation formula of aggregate saturation rate and bleeding rate is deduced quantitatively by using the three-phase ratio index model of aggregate. According to the theoretical analysis and calculation,a qualified paste would form when the slurry saturation range is 101% ~ 108%,and the bleeding rate is in the range of 1% ~ 7%,which provides a theoretical basis for the paste determination. The gap between theoretically calculated and measured values is analyzed by experiment,and it is confirmed that the formula has high reliability.
引文
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[4]吴爱祥,王勇,王洪江.膏体充填技术现状及趋势[J].金属矿山,2016(7):1-9.
[5]毛明发,赫宝龙,张文科,等.充填倍线对浆体管道自流输送的影响[J].矿冶,2014,23(2):15-18.
[6]李亮,张希巍,FERRI H.国外膏体充填基础理论研究综述[J].中国矿业,2016,25(11):132-138,156.
[7]王新民.基于深井开采的充填材料与管输系统的研究[D].长沙:中南大学,2006:150-152.
[8]刘同有.中国有色矿山充填技术的现状及发展[J].中国矿业,2002,11(1):28-34.
[9]张修香,乔登攀.金川矿山废石与酸浸尾砂最优配合比的研究[J].矿冶,2015,24(1):18-21.
[10]张修香,乔登攀,孙宏生,等.大红山铜矿粗骨料充填料浆的高浓度判定[J].昆明理工大学学报(自然科学版),2014,39(6):32-39.
[11]吴爱祥,王洪江.金属矿膏体充填理论与技术[M].北京:科学出版社,2015:9-10.
[12]王洪江,王勇,吴爱祥,等.从饱和率和泌水率角度探讨膏体新定义[J].武汉理工大学学报,2011,33(6):85-89.
[13]邢万芳,金英豪,姚香.黄金尾矿干堆技术若干问题探讨[J].有色金属(矿山部分),2008,60(1):48-49+52.
[14]刘正林.摩擦学原理[M].北京:高等教育出版社,2009:110-112.
[15]李云武,陈闻舞.全尾砂碎石膏体充填材料试验研究[J].中国矿山工程,2004,33(2):4-6.