发布求助
文献互助 智能选刊 最新文献

Mining Science最新文献

筛选
英文 中文
Auxiliary intelligent operating system for dragline stripping equipment in surface mining 露天矿牵引剥采设备辅助智能操作系统
IF 1.3
Mining Science Pub Date : 2017-01-01 DOI: 10.5277/MSC172413
J.-D. Sun, R.X. Zhang
{"title":"Auxiliary intelligent operating system for dragline stripping equipment in surface mining","authors":"J.-D. Sun, R.X. Zhang","doi":"10.5277/MSC172413","DOIUrl":"https://doi.org/10.5277/MSC172413","url":null,"abstract":"In order to improve operation skill of the operators, the design of the auxiliary intelligent operating system of the dragline was studied. Whereby the gyroscopes incorporated in smartphone and data sequence filter algorithm, the automatic collection function of operation cycle, the rotation angle and other parameters of the dragline are attained. In line with the relations among the rotation angle of equipment operation, time-spent and the acceleration, the ratio of the acceleration and deceleration rotation angle in full load rotation and non-loaded return stage are acquired respectively. The function of bucket in rotation was realized. Comprehensive score calculation standard of the technique level of the dragline-based operation was developed, and the function of automatic checking the operation level was effectuated. Field experiment results indicated that the operators’ faults are markedly reduced as the auxiliary intelligent operating system is employed. By using the system the operation behavior of low power slow rotation in rain, snow, low atmospheric pressure and other severe weather conditions can be reduced, assuring all-weather efficient and safe operation of dragline.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"49 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79791710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of limestone fineness on ternary cement fresh-state and early-age properties 石灰石细度对三元水泥新鲜状态和早期性能的影响
IF 1.3
Mining Science Pub Date : 2017-01-01 DOI: 10.5277/MSC172412
N. Ammar, L. Zeghichi
{"title":"The effect of limestone fineness on ternary cement fresh-state and early-age properties","authors":"N. Ammar, L. Zeghichi","doi":"10.5277/MSC172412","DOIUrl":"https://doi.org/10.5277/MSC172412","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"56 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74457612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Contact angle of copper-bearing shales using the sessile drop and captive bubble methods in the presence of selected frothers 在选定的起泡剂存在的情况下，采用固滴法和俘获泡法测定含铜页岩的接触角
IF 1.3
Mining Science Pub Date : 2016-09-21 DOI: 10.5277/MSC152216
Danuta Szyszka, W. Szczepański
{"title":"Contact angle of copper-bearing shales using the sessile drop and captive bubble methods in the presence of selected frothers","authors":"Danuta Szyszka, W. Szczepański","doi":"10.5277/MSC152216","DOIUrl":"https://doi.org/10.5277/MSC152216","url":null,"abstract":"This paper describes the measurement of contact angle of copper-bearing shales. The values of advancing and receding contact angles were determined using the sessile drop and captive bubble methods in the presence of aqueous solutions of acetal and pyridine and distilled water. Both methods demonstrated that the tested substances had only minor impact on the surface hydrophobicity of copper-bearing shales expressed by contact angle. The tests carried out proved that neither acetal nor pyridine may be classified to the collecting reagents because none of them improves hydrophobicity of copper-bearing shales. These reagents are only flotation frothers.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"15 1","pages":"191-199"},"PeriodicalIF":1.3,"publicationDate":"2016-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86917649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mining problems of underground coal gasification – reflections based on experience gained in experiment conducted in KHW S.A. Wieczorek coal mine 煤地下气化开采问题——基于KHW S.A. Wieczorek煤矿试验经验的思考
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSC162301
J. Dubiński, M. Turek
{"title":"Mining problems of underground coal gasification – reflections based on experience gained in experiment conducted in KHW S.A. Wieczorek coal mine","authors":"J. Dubiński, M. Turek","doi":"10.5277/MSC162301","DOIUrl":"https://doi.org/10.5277/MSC162301","url":null,"abstract":": Basing on hitherto research and tests, including results of experimental underground coal gasification (UCG) conducted in Wieczorek coal mine, conditions a UCG process has to meet to become in the future an industrial scale technology applied to exploit deposits are analysed. Paper contains an analysis of broadly defined range of mining conditions (geological – mining conditions of a deposit selected for exploitation with the UCG process; type and properties of coal deposit; detailed technological and organizational solutions; conditions for the safe use of technology for the personnel and the environment) and also characterizes the conditions for economic viability of UCG technology as an coal exploitation method.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"133 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86834808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Uncertainty Analysis of Production in Open Pit Mines : operational parameter regression analysis of Mining Machinery 露天矿生产的不确定性分析:矿山机械运行参数回归分析
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSC162312
A. Lanke, B. Ghodarati, S. H. Hoseinie
{"title":"Uncertainty Analysis of Production in Open Pit Mines : operational parameter regression analysis of Mining Machinery","authors":"A. Lanke, B. Ghodarati, S. H. Hoseinie","doi":"10.5277/MSC162312","DOIUrl":"https://doi.org/10.5277/MSC162312","url":null,"abstract":"In mining uncertainties related to equipment and operation are major reasons for loss of production. In order to address this issue a wide literature review was done in this study. It showed that r ...","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"109 12 1","pages":"147-160"},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83142953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
New method of electrostatic separation of the oxidized iron ore 氧化铁矿的静电分离新方法
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSC162303
A. Idres, A. Bouhedja, M. Bounouala, A. Benselhoub
{"title":"New method of electrostatic separation of the oxidized iron ore","authors":"A. Idres, A. Bouhedja, M. Bounouala, A. Benselhoub","doi":"10.5277/MSC162303","DOIUrl":"https://doi.org/10.5277/MSC162303","url":null,"abstract":": The complexity of the mineralogical, chemical and exogenous parameters generates a low efficiency of electrical separation of oxidized iron ore. For this purpose, a study was conducted to provide a method for electrostatic separation and to select the chemical reagents. And this, for increasing the contrast of the dielectric separating minerals in the corona discharge field. The reagent-collector used is the auramine with a specific consumption of 0.3 kg/t. Whereas, the reagent depressants is carboxymethyl cellulose mixture with a specific consumption of 0.25 kg/t. From the obtained test results electrical treatment of oxidized iron ore are satisfied for proposed process.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"136 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77303328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Vibration analysis of rotating machines for an optimal preventive maintenance 对旋转机械进行振动分析，以便进行最佳的预防性维修
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSC162316
M. Taleb, R. Chaib
{"title":"Vibration analysis of rotating machines for an optimal preventive maintenance","authors":"M. Taleb, R. Chaib","doi":"10.5277/MSC162316","DOIUrl":"https://doi.org/10.5277/MSC162316","url":null,"abstract":"Face to the development and competition to competitiveness, which drives the search for quality and above ail; cost reduction, maintenance has become one of the strategic functions in the company. One of the solutions incorporated in management systems is Conditional maintenance that has proved successful; Reduce downtime, optimize manufacturing, ensure safety and profitability of production. For this type of maintenance to be effective, precise and reliable measurements are required. Experience has shown that vibration analysis is the most widely used technique for reliable monitoring and diagnosis. The objective of this work is the study carried out at the Elma Labiod cement plant, which has adopted continuous monitoring in the hope of an optimal approach to conditional maintenance. We use the analysis of global velocity and acceleration levels, spectral analysis and envelope analysis to detect defects and anticipate degradations that can affect a mechanism and determine the probable causes of these malfunctions. In this context, the actual measurements were analyzed by vibratory indicator leading to detection of the weak points causing a malfunction on the machine (rolling bearings), therefor an optimization of the maintenance is realized by monitoring the degradation through on-line control system. The analysis of these vibrations let the possibility to detect and locale the defective components once the fixed corresponding threshold limit of vibration level has been reached.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"2675 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85121612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Urabianie skał sprężysto-kruchych zrywarkami – proces i technologia pracy
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSCMA1622307
Z. Kasztelewicz, P. Bodziony, M. Patyk
{"title":"Urabianie skał sprężysto-kruchych zrywarkami – proces i technologia pracy","authors":"Z. Kasztelewicz, P. Bodziony, M. Patyk","doi":"10.5277/MSCMA1622307","DOIUrl":"https://doi.org/10.5277/MSCMA1622307","url":null,"abstract":"W światowym górnictwie odkrywkowym urabianie skał sprężystokruchych zrywarkami jest powszechnie stosowane. Znacznie mniej doświadczeń w tym zakresie mają krajowe kopalnie, mające tendencje do nadmiernego wykorzystywania robót wiertniczo-strzałowych, choć niekiedy eksploatowane złoża lub ich fragmenty, mogą być urabiane mechanicznie. Nie ulega wątpliwości, że w przypadku skał o zwięzłości powyżej 20 MPa (m.in. wapieni, dolomitów, piaskowców, margli, trawertynu itp.) najniższe koszty jednostkowe wyrażone w zł/Mg osiąga się stosując technikę strzelniczą. Jednakże w przypadku skał, których nie można zakwalifikować do tych grup, mogą pojawić się pewne trudności co do doboru metody ich urabiania. Do takich skał zaliczyć można średniozwięzłe skały osadowe lub metamorficzne, które są stosunkowo niezwięzłe, aby stosować urabianie materiałami wybuchowymi, ale zbyt zwięzłe dla koparek jednonaczyniowych. Do urabiania takich skał wykorzystać można także osprzęt zrywakowy, mocowany na spycharkach gąsienicowych, które w ostatnich latach stają się poważną alternatywą dla urabiania metodami techniki strzelniczej.","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"55 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80726819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efektywność przesiewania na rotacyjnym sicie stożkowym
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSCMA1622318
P. Wodziński, R. Modrzewski, K. Ławińska
{"title":"Efektywność przesiewania na rotacyjnym sicie stożkowym","authors":"P. Wodziński, R. Modrzewski, K. Ławińska","doi":"10.5277/MSCMA1622318","DOIUrl":"https://doi.org/10.5277/MSCMA1622318","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"71 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90970201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Kierunki zagospodarowania drobnych frakcji z wydobycia i przeróbki surowców mineralnych
IF 1.3
Mining Science Pub Date : 2016-01-01 DOI: 10.5277/MSCMA1622315
J. Stankiewicz
{"title":"Kierunki zagospodarowania drobnych frakcji z wydobycia i przeróbki surowców mineralnych","authors":"J. Stankiewicz","doi":"10.5277/MSCMA1622315","DOIUrl":"https://doi.org/10.5277/MSCMA1622315","url":null,"abstract":"","PeriodicalId":43629,"journal":{"name":"Mining Science","volume":"14 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79715595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信