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时间:2020-03-25
《尾砂资源利用实践初探.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Vo1.20。No.10第2O卷第1O期中国矿业2011年1O月CHINAMININGMAGAZINE0ct.2O11尾砂资源利用实践初探黄佳强,李刚(首钢水厂铁矿,河北迁安064405)摘要:我国铁矿石资源较为贫乏,人均占有量较低。铁矿石开采加工过程中,产生的废石在排土场堆存,废弃的尾矿堆存在尾矿库,占据了大量的农用、林用土地,增加了矿山企业的成本,并对环境造成影响。当前,资源矛盾日益突出,矿石价格长期维持在高位,从废弃的土场和尾矿库寻找资源已成为国内众多矿山企业的共识,也是解决资源利用水平低的途径之
2、一。在废弃的尾矿库开展资源回收利用,既可解决尾矿砂排放量大所带来的环境影响,又可延长尾矿库的使用年限,减少尾矿库占用面积,是贯彻科学发展观的有效手段和发展方向。某矿根据尾矿库实际现状,在科学考察试验的基础上,提出了对老尾矿库实施尾砂资源回收工程,并于2005年底投产,近5年来,已累计生产品位66的铁精粉112.8340万t,创效益近5.25亿元。本文重点对该矿尾砂资源回收情况进行介绍,为矿山资源挖潜引出新路。关键词:尾矿资源;利用;实践中图分类号:TD926.4文献标识码:B文章编号:1004—4051
3、(2011)10—0043—06PrimarydisscussiononutilizationpracticeoftailingsresourceHUANGJia—qiang,LIGang(ShuichangIronOre,ShougangMiningCompany,Qianan064405,China)Abstract:TheIronoreresourcesofourcountryisrelativelypoor,theaverageamountofironresourcespercapitainCh
4、inaislow.Therockrefuseproducedduringtheprocessingofironoreminingstacksinthewastedisposalsite,thewasteganguestacksintheganguesite.Thus,largeamountofagriculturalandfor—estlandwereoccupiedandthecostoftheminingenterpriseswasincreased.Also,theenvironmentwasbe
5、—ingpolluted.Nowadays,theresourceproblemwasmoreandmorebeingconcerned,thepriceoftheorewasveryhighforlongtime,itisacommonconsensusforalotofminingenterprisesthatsearchingforre—sourcesinthewastedisposalsiteandthewastegangue,thisalsocansolvetheproblemoflowres
6、ourceuti—lizationefficiency.Recyclingtheresourcesinthewastedisposalsitecannotonlysolvetheproblemofenvi—ronmentpollutioncausedbylagerganguedischarge,butalsocanextendtheusetimeofthewasteganguesiteandreducetheareaofthewasteganguesite.Thus,thescientificoutlo
7、okondevelopmentcanbewellimplemented.Someminingenterprisebasedonthecurrentsituationofthewasteganguesiteandscientificexperiment,therecyclingprojectofganguewasputforward.Theprojectwasputintooperationintheyearof2005,the66gradeironorewasproduced112.8340tonsin
8、allduringthelastfiveyears.525millionwasearned.Theganguerecyclingsituationwasintroducedinthispaper,andseekingforanewwayforminingresourcestapping.Keywords:tailingsresource;utilization;practice1概述紧张的矛盾越来越突出,矿石价格、铁精粉价格随着我国钢铁业的
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