应力波强化堆浸渗流的理论与试验研究

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1、中南大学博士学位论文应力波强化堆浸渗流的理论与试验研究姓名：王贻明申请学位级别：博士专业：采矿工程指导教师：吴爱祥20081101博十学位论文摘要模拟方法，验证了耦合模型，探寻了应力波对堆浸渗流的影响，阐明了应力波强化渗流的可行Jl生与有效性。(6)开展了应力波强化堆浸渗流工程应用技术研究。以爆破应力波作为工作媒介，采用松动控制爆破技术作为应力波强化堆浸渗流的手段，研究了浸堆松动控制爆破技术及参数优化方法，并以德兴铜矿废石堆浸场为例，开展了松动控制爆破松堆工业试验研究，进一步验证了应力波强化堆浸渗流的有效性。关

2、键词应力波，堆浸散体，可浸性，分级，渗流强化HABSTRACTMineralresourcesarethebackboneofeconomicadvanceinChina，andsolutionminingiSaneffectivemethodtoexploittheintractableoreresourcesorthosewithlowgrade．ButtheapplicationandgeneralizationofthemethodiSrestrictedbadlyduetothelOWpermeabi

3、lityofheap．Thus，itisverysignificanttoinvestigateonthetheoryandappliedtechnologyofseepagereinforcedinheapleaching．BasedontheNationalNatureScienceFundProjectTheStudyontheMechan括mOfFtoWinGranularMediaofHeapunderStressWave(No．50574099)，andsuppoabytheNationalScie

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5、ningthemethodsofindoortest,theoreticalanalysis，andnumericalsimulation,theimportanceofpermeabilityofheaptooreleachabilitywasanalyzedagainsttheheapwithlowpermeability．Then，takingstresswaveastechnicalmeasuretoimprovethepermeabilityofheap，thelawofstresswavepropa

6、gationinheap，themechanismofactiontothemeshofgranularmedia,andinfluencinglawtoseepagewerestudied．TakingtheheapleachingplantinDe·xingCopperMineasallengineeringexample，theapplicationtechnologyofseepageenforcedbystresswaveWasresearchedinthisthesis．111emainworksc

7、ompletedareasfollow：(1')Thefactorsinfluencingoreleachabilitywerestudiedsystematically．Theywereclassifiedasthreegradesaccordingtotheirimpactdegree，deterministicfactors，controllingfactorsandgeneralfactors．Anevaluationmodel，takingoreleachabilityindexLIasbasis，W

8、asestablished，whichenrichessolutionminingtheory．(2)ThemodifiedCarman．Kozenyequationwasintroducedintotheanalysisoftheseepagemechanisminheapleachingprocess．Basedonit，theimpactfactorstothepermeabil