黄金科学技术 ›› 2020, Vol. 28 ›› Issue (1): 97-104.doi: 10.11872/j.issn.1005-2518.2020.01.102
Zhaodong HUANG(),Deming ZHANG(),Yikai LIU,Qinli ZHANG,Hao WANG
摘要:
为探究柠檬酸水溶液预处理磷石膏作为充填体材料的可行性,试验采用质量浓度为4%的柠檬酸水溶液对磷石膏进行浸泡预处理,将处理后的磷石膏与未处理的磷石膏分别制备成6种不同配比的试样,先后对标准养护条件下的样本进行了剪切流变测试,7 d、14 d和28 d的单轴抗压强度测试,以及扫描电镜(SEM)测试。试验结果表明:柠檬酸浸法预处理磷石膏充填体较未处理磷石膏充填体单轴抗压强度明显提高,且主要强度形成期在0~7 d,同时,预处理磷石膏可以降低浆体屈服应力,提高浆体易泵性;SEM结果显示,预处理磷石膏充填体的微观结构与未处理磷石膏相比其标志性水化产物的产生量更多,微观结构更加致密。
中图分类号:
1 | 兰文涛,吴爱祥,王贻明,等.半水磷石膏充填强度影响因素试验[J].哈尔滨工业大学学报,2019,51(8):128-135. |
Lan Wentao,Wu Aixiang,Wang Yiming,et al. Test study on factors affecting the filling strength of hemihydrate phosphogypsum [J]. Journal of Harbin Institute of Technology,2019,51(8):128-135. | |
2 | 李夕兵,刘冰,姚金蕊,等.全磷废料绿色充填理论与实践[J].中国有色金属学报,2018,28(9):1845-1865. |
Li Xibing,Liu Bing,Yao Jinrui,et al. Theory and practice of green mine backfill with whole phosphate waste [J]. The Chinese Journal of Nonferrous Metals,2018,28(9): 1845-1865. | |
3 | 赵国彦,侯俊,张小瑞,等.磷石膏膏体充填体力学特性研究[J].黄金科学技术,2016,24(5):7-12. |
Zhao Guoyan,Hou Jun,Zhang Xiaorui,et al.Study on the mechanical properties of the phosphogypsum paste filling material[J]. Gold Science and Technology,2016,24(5): 7-12. | |
4 | 王新民,薛希龙,张钦礼,等.碎石和磷石膏联合胶结充填最佳配比及应用[J].中南大学学报(自然科学版),2015,46(10):3767-3773. |
Wang Xinmin,Xue Xilong,Zhang Qinli,et al.Optimum ratio and application of joint cemented backfill with crushed rock and phosphogypsum [J]. Journal of Central South University(Science and Technology),2015,46(10):3767-3773. | |
5 | 刘冰,李夕兵.全磷废料高浓度充填两相流环管实验研究[J].黄金科学技术,2018,26(5):615-621. |
Liu Bing,Li Xibing. Study on two-phase flow loop test of high concentration backfill with total phosphorus waste [J]. Gold Science and Technology,2018,26(5): 615-621. | |
6 | Jiang G Z,Wu A X,Wang Y M,et al. Low cost and high efficiency utilization of hemihydrate phosphogypsum: Used as binder to prepare filling material[J].Construction and Building Materials,2018,167:263-270. |
7 | Saikhede S R,Satone S R. An experimental investigation of partial replacement of cement by various percentage of phosphogypsum and flyash in cement concrete[J]. International Journal of Engineering Research and Applications,2014,4(7):785-787. |
8 | 李永靖,岳玮琦,潘铖,等.预处理工艺影响磷石膏水泥砂浆性能研究[J].非金属矿,2018,41(1):15-17. |
Li Yongjing,Yue Weiqi,Pan Wei,et al.Study on influence of pretreatment process on phosphogypsum and slag cement [J]. Non-Metallic Mines,2018,41(1): 15-17. | |
9 | Liu Y K,Zhang Q L,Chen Q S,et al. Utilization of water-washing pre-treated phosphogypsum for cemented paste backfill[J]. Minerals,2019,9(3):175. |
10 | 刘路珍,陈德玉,刘宇浩,等.磷石膏预处理及制备建筑石膏的研究[J].非金属矿,2014,37(3):30-32. |
Liu Luzhen,Chen Deyu,Liu Yuhao,et al.Study on the pretreatment technology and preparing construction gypsum of phosphogypsum [J]. Non-Metallic Mines,2014,37(3): 30-32. | |
11 | 郭成洲. 氟、磷对硅酸盐水泥熟料矿物水化过程影响机理研究[D]. 武汉:武汉理工大学,2012. |
Guo Chengzhou. Effect Mechanism of Fluorine and Phosphorus on Hydration Process of Cement Clinker [D]. Wuhan:Wuhan University of Technology,2012. | |
12 | Koopman C,Witkamp G J. Ion exchange extraction during continuous recrystallization of CaSO4 in the phosphoric acid production process: Lanthanide extraction efficiency and CaSO4 particle shape[J]. Hydrometallurgy,2002,63(2):137-147. |
13 | 张政,杨志强,高谦. 金川矿磷石膏基早强型充填胶凝材料配方试验[J]. 化工矿物与加工,2016(1):31-35. |
Zhang Zheng,Yang Zhiqiang,Gao Qian. Formulation test of phosphogypsum based early strength filling cementitious material in Jinchuan mine[J].Chemical Minerals and Processing,2016(1):31-35. | |
14 | Rashad A M. Phosphogypsum as a construction material[J]. Journal of Cleaner Production,2017,166:732-743. |
15 | 甘德清,薛娜,薛振林,等.全尾砂料浆流变特性实验[J].矿业研究与开发,2019,39(5):104-109. |
Gan Deqing,Xue Na,Xue Zhenlin,et al. Experiment on rheological properties of full tailings slurry [J].Mining Research and Development,2019,39(5):104-109. | |
16 | 王芳,刘晓丽,王恩志,等.含水砂层的剪切流变力学特性试验分析[J].地下空间与工程学报,2018,14(2):323-331. |
Wang Fang,Liu Xiaoli,Wang Enzhi,et al. Experimental research on shear rheological mechanical properties of water-bearing sand layer [J]. Chinese Journal of Underground Space and Engineering,2018,14(2):323-331. | |
17 | 张钦礼,王钟苇,荣帅,等.深井矿山全尾砂胶结充填体早期强度特性及微观影响机理分析[J].有色金属工程,2019,9(6):97-104. |
Zhang Qinli,Wang Zhongwei,Rong Shuai,et al.Early strength characteristics and microcosmic influence mechanism analysis of cemented filling body of full tailings in deep mine [J].Nonferrous Metals Engineering,2019,9(6):97-104. | |
18 | 梁旭辉,刘芳,许耀文,等.硅酸盐水泥改性磷建筑石膏及水化机理研究[J].非金属矿,2018,41(2):45-47. |
Liang Xuhui,Liu Fang,Xu Yaowen,et al. Study on modification of hemihydrate phosphogypsum with ordinary portland cement and its hydration mechanism[J]. Non-Metallic Mines,2018,41(2):45-47. | |
19 | 董璐,高谦,南世卿,等.超细全尾砂新型胶结充填料水化机理与性能[J].中南大学学报 (自然科学版),2013,44 (4):1571-1577. |
Dong Lu,Gao Qian,Shiqing Nan,et al.Performance and hydration mechanism of new super fine cemented whole-tailings backfilling materials[J].Journal of Central South University (Science and Technology),2013,44 (4):1571-1577. | |
20 | 李鑫,王炳文,游家梁,等.尾砂胶结充填体力学性能与微观结构研究[J].中国矿业,2016,25 (6):169-172. |
Li Xin,Wang Bingwen,You Jialiang,et al. Study on mechanical properties and microstructure of the cemented tailings backfill [J].China Mining Magazine,2016,25(6):169-172. | |
21 | 胡建华,蒋权,任启帆,等.充填体孔隙结构与中观参数跨尺度关联特征[J].中国有色金属学报,2018,28(10):2154-2163. |
Hu Jianhua,Jiang Quan,Ren Qifan,et al. Cross scale correlation characteristics of pore structure and meso parameters of filling body[J]. The Chinese Journal of Nonferrous Metals,2018,28(10):2154-2163. |
[1] | 高远,陈庆发,蒋腾龙. 大新锰矿复杂空区群三维数值模型构建方法及胶结充填治理研究[J]. 黄金科学技术, 2019, 27(6): 851-861. |
[2] | 徐文峰,饶运章,李尚辉,许威. 含膨润土充填料浆泌水特性分析[J]. 黄金科学技术, 2019, 27(3): 433-439. |
[3] | 叶永飞,张雅楠,李士超,曹世荣,韩建文,王晓军. 循环载荷下胶结充填体损伤声发射表征[J]. 黄金科学技术, 2018, 26(6): 819-825. |
[4] | 李文臣,郭利杰,陈鑫政,李宗楠,李欣. 尾砂胶结充填体三维空间强度分布相似模拟试验研究[J]. 黄金科学技术, 2018, 26(4): 528-534. |
[5] | 李夕兵,刘冰. 硬岩矿山充填开采现状评述与探索[J]. 黄金科学技术, 2018, 26(4): 492-502. |
[6] | 王新民, 赵茂阳, 荣帅, 王浩, 张云海. APAM对全尾砂胶结充填体早期强度影响研究[J]. 黄金科学技术, 2018, 26(3): 305-311. |
[7] | 曹世荣,韩建文,李永欣,王晓军 *,冯萧,卓毓龙. 基于声发射概率密度函数固废胶结充填体损伤分析[J]. 黄金科学技术, 2017, 25(6): 92-98. |
[8] | 曹世荣,肖伟晶,李永欣,王晓军,卓毓龙,冯萧. 循环载荷下块石胶结充填体声发射特性研究[J]. 黄金科学技术, 2017, 25(3): 92-97. |
[9] | 戴兴国,方鑫,陈增剑,黄毅. 良山铁矿全尾砂胶结充填参数的合理选择[J]. 黄金科学技术, 2015, 23(1): 74-79. |
[10] | 杨纪光. 下向进路假底胶结充填采矿法在焦家金矿的应用[J]. J4, 2011, 19(5): 33-36. |
[11] | 靳社英. 中深孔挤压崩矿连续采矿法的应用[J]. J4, 2010, 18(5): 68-71. |
[12] | 李阳, 彭康, 张小刚, 陈卓, 郝春光, 王元魁. 上盘进路下盘水平分层联合采矿法试验研究[J]. J4, 2010, 18(1): 77-79. |
[13] | 白复锌,张永林,张彬. 鑫汇金矿的非胶结充填连续采矿技术[J]. J4, 2008, 16(4): 66-69. |
[14] | 田波, 李殿辉. 提高充填体强度的技术措施[J]. J4, 2005, 13(1-2): 51-54. |
|