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铸造 锻造 车间 除尘 系统 设计 全套 cad 图纸

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I铸造车间负压除尘系统设计学生姓名摘要粉尘是人类健康的大敌，因为它带着许多细菌病毒和虫卵到处飞扬，传播疾病。工业粉尘、纤尘能使工人患上各种难以治愈的职业病，过多的灰尘还会造成环境污染，影响人们的正常生活和工作，诱发人类呼吸道疾病等等。除尘器是在车间必不可少。利用旋转的含尘气体所产生的离心力，将粉尘从空气中分离出来的一种干式净化设备，成为旋风除尘器。旋风除尘器应用最为广泛，其特点是结构简单，除尘效率较高，操作简单，价格低廉。旋风除尘器对于大于10M的较粗粉尘，净化效率很高。但对于510M以下的细颗粒粉尘净化效率较低，所以旋风除尘器多用于粗颗粒粉尘的净化，或多用于多级净化的初步处理。适用于铸造车间除尘。负压除尘系统中，除尘器设置在通风机之前。其特点由于除尘器设置在通风机之前，流过通风机的气体已经经过除尘，含尘量低。通风机受磨损大大减低，运行寿命长，处理初浓度高的含尘气体时，一般采用负压除尘系统。除尘器和管道处于通风机的负压阶段，容易吸入空气，产生漏风。负压除尘系统的漏风率为510，加大了通风机的风量，增加了电耗。在负压除尘系统设计中应采用措施尽可能的减少除尘器和管道的漏风，以保证除尘器的良好运行。关键词铸造旋风除尘器负压除尘指导老师签名IIDUSTVACUUMSYSTEMDESIGNABSTRACTDUST,WHICHCARRIESLOTSOFBACTERIALVIRUSANDOVUMFLYINGFORWARDINGINTHEAIR,HASBECOMEAFORMIDABLEENEMYOFHUMANBEING,ENDANGERINGTHEMANKINDSHEALTH,INDUSTRIALDUSTANDFINEDUSTCAUSEVARIOUSKINDSOFINCURABLEOCCUPATIONALDISEASEAMONGWORKERSALSO,EXCESSIVEDUSTLEADSTOENVIRONMENTALPOLLUTION,HAVINGAINFLUENCEONTHEPEOPLESDAILYLIVESANDWORK,CAUSINGRESPIRATORYDISEASE,ETCALLTHESEMAKETHEDUSTCOLLECTORINDISPENSIBLEINTHEWORKSHOPBYUSINGTHECYCLONEDUSTROTATINGCENTRIFUGALFORCEGENERATEDBYGAS,THEDUSTISSEPARATEDFROMTHEFLOWOFADRYGASSOLIDSEPARATIONDEVICE,WHICHFORMSTHECYCLONEDUSTCOLLECTORTHECYCLONEDUSTCOLLECTORISWIDELYUSED,WHICHFEATUREDINITSSIMPLESTRUCTURE,EFFECTIVENESSINDUSTREMOVAL,SIMPLEOPERATION,ANDLOWCOSTCYCLONEDUSTCOLLECTORISEFFICIENTFORTHECAPTURE,SEPARATIONOFMORETHAN510MDUSTBUTASTOTHEDUSTUNDER510M,ITPERFORMSLESSEFFECTIVELYTHEREFORE,THECYCLONEDUSTCOLLECTORISMOSTLYUSEDINTHECASTINGWORKSHOP,PURIFYINGTHECOARSEPARTICLEDUSTORBECOMESTHEPRIMARYTREATMENTOFMULTISTAGEPURIFICATIONINTHENEGATIVEPRESSUREDUSTPELLETIZINGSYSTEM,REMOVALEQUIPMENTWASSETINFRONTOFTHEVENTILATORITSCHARACTERISTICSAREASFOLLOWS1BECAUSETHEREMOVALEQUIPMENTWASSETINFRONTOFTHEVENTILATOR,THEGASPASSINGTHROUGHTHEVENTILATORHASBEENREMOVED,THEREFORE,THEDUSTINESSINDEXISLOW2THEDUSTCOLLECTORANDTHEPIPELINESITUATEDINTHENEGATIVEPRESSURESECTION,WHICHISEASYTOSNIFTINGTHEAIR,LEADSTOAIRLEAKTHEAIRLEAKRATIOOFDUSTVACUUMSYSTEMIS5TO10,INCREASINGTHEAIRQUANTITYOFVENTILATOR,WHICHLEADSTOTHEELECTRICITYCOST3SHOULDBEREDUCEDINTHEDUSTCOLLECTORANDPIPELINEASMUCHASPOSSI