Article(id=1242134150870803168, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242134125218439832, articleNumber=null, orderNo=14, doi=10.3981/j.issn.1000-7857.2015.22.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1428595200000, receivedDateStr=2015-04-10, revisedDate=1439136000000, revisedDateStr=2015-08-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1450171266293, onlineDateStr=2015-12-15, pubDate=1448640000000, pubDateStr=2015-11-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1450171266293, onlineIssueDateStr=2015-12-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077459301, creator=sys-migrate, updateTime=1774077459301, updator=sys-migrate, issue=Issue{id=1242134125218439832, tenantId=1146029695717560320, journalId=1146031591421210625, year='2015', volume='33', issue='22', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='1448640000000', pubDateStr='2015-11-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077453184, creator='sys-migrate', updateTime=1774077453184, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=60, endPage=64, ext={EN=ArticleExt(id=1242134154897339241, articleId=1242134150870803168, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Improving transport performance of paste with pumping agent and optimization of mixing proportion, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=Pumping agents are added in the laboratory experiments to improve the poor fluidity of the paste. The influences of five different kinds of pumping agents on the flow properties are investigated by comparing the slumps and the slump flow. The result of test shows that the pumping agent C has the greatest effect with the best adding range of 2.0%-2.5%. The fitting result of the uniform design shows that the concentration and the aggregate ratio tail are negatively correlated with the liquidity and the sand-cement ratio is positive. Based on the fitting equation, the recommended mixing proportion of the paste is derived: The concentration of 77.5%- 78.5%, the aggregate ratio of 4.5-5.5, the amount of the pumping agent of 2.0% (quality of the cement), the sand-cement ratio of 8. The results of the confirmatory experiment show that the actual requirements are met., authors=AI Chunming1 , WU Aixiang1 , WANG Hongjiang1 , YANG Xixiang2 , ZHOU Falu2 , authorsList=AI Chunming, WU Aixiang, WANG Hongjiang, YANG Xixiang, ZHOU Falu, authorCompany=1. The Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China;1 , 吴爱祥1 , 王洪江1 , 杨锡祥2 , 周发陆2 , authorsList=艾纯明, 吴爱祥, 王洪江, 杨锡祥, 周发陆, authorCompany=1. 北京科技大学金属矿山高效开采与安全教育部重点试验室, 北京100083;
科技导报
| 研究论文 2015, 33(22): 60-64
泵送剂改善膏体输送性能及配比优化
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艾纯明1 , 吴爱祥1 , 王洪江1 , 杨锡祥2 , 周发陆2
作者信息
1. 北京科技大学金属矿山高效开采与安全教育部重点试验室, 北京100083;
通讯作者:
王洪江,教授,研究方向为金属矿山高效开采技术,电子信箱:wanghj1988@126.com
Improving transport performance of paste with pumping agent and optimization of mixing proportion
Affiliations
出版时间: 2015-11-28
doi: 10.3981/j.issn.1000-7857.2015.22.009
文章导航
某铜矿在进行膏体充填试验时遇到了流动性差的问题,为改善膏体的流动性能,进行了泵送剂的试验研究。通过测量膏体的坍落度和扩展度,考查了5 种不同的外加剂对膏体流动性能的影响。流动性测试结果表明,加入泵送剂C 后膏体的工作性能良好,最佳添加量为水泥质量的2.0%~2.5%。开展均匀设计试验,拟合结果表明,质量分数、尾废比与流动性呈现负相关,砂灰比与流动性呈现正相关。依据拟合方程得出膏体的推荐配比:质量分数为77.5%~78.5%,尾废比为4.5~5.5,泵送剂添加量为水泥质量的2.0%,砂灰比为8。优化配比的验证试验结果满足实际要求。
Pumping agents are added in the laboratory experiments to improve the poor fluidity of the paste. The influences of five different kinds of pumping agents on the flow properties are investigated by comparing the slumps and the slump flow. The result of test shows that the pumping agent C has the greatest effect with the best adding range of 2.0%-2.5%. The fitting result of the uniform design shows that the concentration and the aggregate ratio tail are negatively correlated with the liquidity and the sand-cement ratio is positive. Based on the fitting equation, the recommended mixing proportion of the paste is derived: The concentration of 77.5%- 78.5%, the aggregate ratio of 4.5-5.5, the amount of the pumping agent of 2.0% (quality of the cement), the sand-cement ratio of 8. The results of the confirmatory experiment show that the actual requirements are met.
copper mining
/
pumping agent
/
paste transport
艾纯明, 吴爱祥, 王洪江, 杨锡祥, 周发陆.
泵送剂改善膏体输送性能及配比优化.
科技导报,
2015
, 33
(22)
: 60
-64
.
DOI: 10.3981/j.issn.1000-7857.2015.22.009
AI Chunming, WU Aixiang, WANG Hongjiang, YANG Xixiang, ZHOU Falu.
Improving transport performance of paste with pumping agent and optimization of mixing proportion[J].
Science & Technology Review ,
2015
, 33
(22)
: 60
-64
.
DOI: 10.3981/j.issn.1000-7857.2015.22.009
2015年第33卷第22期
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文章信息
doi: 10.3981/j.issn.1000-7857.2015.22.009
接收时间：2015-04-10
首发时间：2015-12-15
出版时间：2015-11-28
收稿日期：2015-04-10
修回日期：2015-08-10
通讯作者:
王洪江,教授,研究方向为金属矿山高效开采技术,电子信箱:wanghj1988@126.com
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2015.22.009
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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