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学位论文诚信声明书本人郑重声明:所呈交的学位论文(设计)是我个人在导师指导下进行的研究(设计)工作及取得的研究(设计)成果。除了文中加以标注和致谢的地方外,论文(设计)中不包含其他人或集体已经公开发表或撰写过的研究(设计)成果,也不包含本人或其他人在其它单位已申请学位或为其他用途使用过的成果。与我一同工作的同志对本研究(设计)所做的任何贡献均已在论文中做了明确的说明并表示了致谢。申请学位论文(设计)与资料若有不实之处,本人愿承担一切相关责任。学位论文(设计)作者签名:日期:学位论文知识产权声明书本人完全了解学校有关保护知识产权的规定,即:在校期间所做论文(设计)工作的知识产权属某某某大学所有。学校有权保留并向国家有关部门或机构送交论文的复印件和电子版。本人允许论文(设计)被查阅和借阅;学校可以公布本学位论文(设计)的全部或部分内容并将有关内容编入有关数据库进行检索,可以采用影印、缩印或其它复制手段保存和汇编本学位论文。保密论文待解密后适用本声明。学位论文(设计)作者签名:指导教师签名:年月日I设计题目:2.0Mt/a矿井型炼焦煤选煤厂初步设计专业:矿物加工工程学生:(签名)指导老师:(签名)摘要煤炭资源在中国能源中占有重要地位,随着世界经济的快速发展,能源的需求日益增加,而现今能源供应大部分还是来自于有限的一次能源,这就要求充分利用这些有限的资源。在选煤厂的新建、改建、扩建当中,采用先进的洗选加工技术,合理的选煤厂总体设计,先进可靠的配套装备,及科学的管理方法相结合是煤矿生产的必经之路。设备的大型化、工艺流程的简单化是未来选煤工艺重点发展的方向。本设计以西山煤电斜沟矿选煤厂原始资料为基础,通过对原始资料的分析,设计出合理的工艺流程,斜沟选煤厂煤质为极难选煤,因此本设计采用预先脱泥的三产品重介+浮选流程,原煤脱泥后,0.5—50mm进入三产品旋流器分选,产品为精煤中煤矸石三种。小于0.5mm粒级和磁选尾矿进入浮选机分选。本工艺流程简单适用,易于生产管理,一次性建设投资少。工艺流程确定后,进行工艺流程的计算和判断,得出合适的工艺指标,然后通过计算选择合适的设备,对车间进行恰当的布置。最后,对工业场地进行总体规划,使各个生产环节及生产环节与辅助设施构成了一个有机的整体。此外,本设计还对电气,给排水,采暖通风等方面进行了阐述。关键词:选煤工艺流程;可选性;三产品重介旋流器IISubject:PrimaryDesignofMine-typeCokingcoalpreparationplantwithCapacityof2.0Mt/aSpecialty:MineralProcessingEngineeringName:WangLiang(Signature)__________Instructor:LingGeng(Signature)__________ABSTRACTCoalinChina'senergyoccupiesanimportantposition,Alongwiththeworldeconomicsdevelopment,thedemandforenergyincreasing,Nowmostoftheenergysupplycomefromthelimitedenergy.Thisrequestfullyusestheselimitedresources.Inthenewcoalpreparationplant,alteration,extension,itisnecessarytocontinuouslyoptimizethecoalpreparationprocess,areasonablechoiceofadvancedcoalpreparationequipment,determineareasonablelayoutofthefactoryworkshop,andchoosesuitableforcoalpreparationplantmanagementmethodsistheonlywayforcoalproduction.Equipment,large-scale,simplifiedprocessflowpreparationtechniqueinthefuturefocusofdevelopment.ThedesignbasedontherawdataanalysisinXiegoucoalpreparationplantsourcebook,designarationalprocess,Xiegoucoalisextremelydifficultpreparation,sothedesignreferredathree-productflotationprocess,afterthemudistaken,0.5-50mmintothethree-productcycloneseparation,theproductsiscoalandgangue.Lessthan0.5mmparticleandmagneticseparationtailingsintotheflotationofseparation.theapplicationprocessissimple,easytoproductionmanagement.Bycalculatingandselectingsuitableequipment,andworkshopsontheproperlayout.Finally,theindustrialsitewheretheoverallplanning,Varioussegmentsofproductionandproductionprocessesandauxiliaryfacilitiesbetweenconstitutesanorganicwhole.Inaddition,thedesignisalsoelectrical,drainage,heatingventilationandotherareasdiscussed.KEYWORDS:CoalPreparation,Optional,Three-productmediumcyclone目录第1章文献综述......................................................................................................................11.1我国煤炭能源现状...........................................................................................................11.2选煤的意义或目的...........................................................................................................11.3国内外选煤技术的发展...................................................................................................21.4选煤厂设计的发展...........................................................................................................31.5选煤常用方法...................................................................................................................4第2章概述..............................................................................................................................72.1设计任务、目的和要求...................................................................................................72.1.1设计任务.....................................................................................................................72.1.2设计目的.....................................................................................................................72.1.3设计要求.....................................................................................................................7第3章选煤工艺........................................................................................................................83.1煤质资料分析...................................................................................................................83.1.1煤质分析.....................................................................................................................83.1.2原煤筛分、浮沉资料及分析.....................................................................................83.1.3煤的可选性...............................................................................................................153.2选煤工艺的确定.............................................................................................................163.2.1工艺比较...................................................................................................................16第4章工艺流程计算..............................................................................................................224.1原煤计算.....................................................................................
本文标题:选煤厂设计说明书
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