破碎块度及磨矿效率影响因素分析.pdf
ValueEngineering115
破碎块度及磨矿效影响因素分析
AnalysisofInfluencingFactorsofCrushingLumpinessandGrindingEfficiency
夏卫XIAWei曰张金彪ZHANGJin-biao
(伊春鹿鸣矿业有限公司,伊春152500)
(YichunLumingMiningIndustryCo.,Ltd.,Yichun152500,China)
摘要文章探讨了矿山开采过程中岩石破碎块度及磨矿效率的影响因素,强调了矿山爆破和磨矿对提高采矿效率的重要性,介
绍了矿山开采在我国经济社会中的重要地位,以及爆破工在矿石处理中的关键作用。研究表明,岩石的抗压强度、抗拉强度和密度
等物理性质显著影响破碎后的块度。炸药的特性,如爆速和威力,也会对岩石破碎效果产生重要影响。此外,研磨介质的类型、填充率
及研磨时间对磨矿效果至关重要。不同类型的磨矿介质在物理特性和适用场合上存在差异,选择合适的介质能显著提高磨矿效率。同
时,优化磨矿参数,例如确定适宜的填充率和研磨时间,有助于实现理想的粒度分布,减少能并提升生产效率。最后,文章提出了优
化磨矿作业的具体措施,包括改进磨矿介质材料、优化磨矿参数和形状设计。
Abstract:Thepaperdiscussestheinfluencingfactorsofrockcrushinglumpinessandmillingefficiencyintheminingprocess,
emphasizestheimportanceofmineblastingandmillingtoimprovetheminingefficiency,andintroducestheimportantpositionofmine
mininginChinaseconomyandsociety,aswellasthekeyroleoftheblastingprocessinthetreatmentofores.Studieshaveshownthatthe
physicalpropertiesofrocks,suchascompressivestrength,tensilestrengthanddensity,significantlyaffecttheblocksizeaftercrushing.
Characteristicsofexplosives,suchasburstingspeedandpower,alsohaveasignificantimpactontherockcrushingeffect.Inaddition,the
typeofgrindingmedia,fillingrateandgrindingtimearecriticaltothegrindingeffect.Differenttypesofgrindingmediadifferinphysical
propertiesandapplicableoccasions,andchoosingtherightmediacansignificantlyimprovethegrindingefficiency.Atthesametime,
optimizationofgrindingparameters,suchasdeterminingtheappropriatefillingrateandgrindingtime,can