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1、攀枝花学院本科毕业设计(论文)国内铬矿石选矿布点、技术装备现状与发展研究学生姓名:学生学号:院(系):材料工程学院年级专业:2006级材料科学与工程指导教师:二〇一〇年五月攀枝花学院本科毕业设计(论文)摘要摘要当前,我国的矿业形势发生了根本性的变化,首先是选矿技术、选矿设备、选矿工艺技术改造取得了重大突破,工艺装备水平得到跨越式提升,绝大部分选矿厂的选矿作业流程都进行了优化改造;其次,新建矿山数量大幅度增加,新建矿山选矿厂的技术水平、装备水平和自动化控制水平都非常高;再次,复杂难选矿石的选矿技术取得了重大进展,精矿品位、品质得到大幅度提高,矿业经济取得了辉煌的成果
2、,矿山企业的规模、效益同步增长,一条科技含量高、经济效益好、资源消耗低、环境污染少、人力资源优势得到充分发挥的新型工业化路子基本形成。本课题旨在研究国内铬矿石选矿厂的分布状况、选矿工艺技术水平、选矿设备水平的现状,对今后几年铬矿石选矿厂的分布调整、选矿工艺技术和选矿设备的发展趋势进行展望。因此,本课题对国内铬矿石选矿技术、装备、工程及生产具有重要参考价值。对矿产资源开发、选矿工程建设等具有参考价值。关键词:铬矿石,技术装备现状,市场现状,发展趋势27攀枝花学院本科毕业设计(论文)ABSTRACTABSTRACTAtpresent,theminingsituatio
3、ninourcountrytherehasbeenafundamentalchange,firstofall,mineralprocessingtechnology,processingequipment,processingtechnologyhasmadeamajorbreakthroughintechnology,techniqueandequipmenttoupgradethelevelbyleapsandbounds,thevastmajorityoftheoredressingoredressingplantprocesseshavebeenOptim
4、izationofthetransformation;Secondly,asignificantincreaseinthenumberofnewmines,newminingconcentratortechnology,andautomationequipmentlevelsareveryhighlevelofcontrol;again,thecomplexityofrefractoryorebeneficiationtechnologyhasmadesignificantprogress,concentrategrade,qualityhasbeensubsta
5、ntialincreaseinminingeconomyhasmadebrilliantachievements,thescaleofminingenterprises,asimultaneousincreaseinefficiency,ahightechnologicalcontent,goodeconomicreturns,lowresourceconsumption,lessenvironmentalpollution,humanresourcesintofullplaytheadvantagesofthebasicformationofnew-typein
6、dustrializationroad.Tostudytheissueofdomesticchromeoreconcentratordistribution,thelevelofmineralprocessingtechnology,thestatusquolevelofmineralprocessingequipmenttoexploreandprospectofthenextfewyearsthedistributionofchromiumoreconcentratoradjustment,processingtechnologyandthedevelopme
7、nttrendofore-dressingequipment,so,thesubjectofdomesticchromeorebeneficiationtechnology,equipment,engineeringandproductionofimportantreferencevalue.Inthispaper,thedomesticchromeoretostudythedistributionoforedressingplant,chromeorebeneficiationtechnologylevelofthestatusquo,chromeorebene
8、ficia