双轴桨叶式高效混合机工作机构设计.doc

毕业论文题目毕业论文题目PAGEiiPAGEi学校代码：10410序号：本科毕业设计题目：双轴桨叶式高效混合机工作机构设计学院：工学院姓名：汪奇超学号：20050380专业：机械设计制造及其自动化年级：机制051指导教师：严霖元二OO九年五月江西农业大学毕业设计摘要随着现代化饲料工业的发展，饲料厂规模不断扩大，对混合机混合均匀度的要求不断提高随着饲制液体添加量增加，传统的卧式双螺带混合机已不能满足上述要求．于是新一代高性能双轴桨叶式混合机便应运而生从而双轴桨叶式混合机应运而生。该机器广泛用于饲料、粮食、化工、医药、农药等行业中粉状、颗粒状、片状、杂状及粘稠状物料的混合；混合周期短、混合均匀度高：一般物料在50～90S时间内混合均匀度CV≤5%，减少了混合时间，提高了饲料厂生产效率；装填量可变范围大：装填系数可变范围为0.3～0.8，适用与多行业中不同比重、粒度等物料的混合；混合不产生偏析：该机在1分钟内混合均匀后，继续混合物料不发生分级现象，且不会因为比重、粒度等物性差别大而产生偏析；出料快、残留量小：底部采用四开门结构，排料迅速、残留少；液体添加量大：添加30%的液体仍能将物料混合均匀，即能混合粘稠物料；采用独特的链条张紧机构，装拆、调节快捷而方便；排料门密封可靠：排料门采用气囊密封，密封可靠、使用寿命长，更换方便；采用W形混合室，内置风道，整体式机座，侧置检修门，造型美观，装拆检修方便。关键词：桨叶式饲料混合机BiaxialbladesefficientmixingmachineAbstract:Alongwiththedevelopmentofmodernindustry,animalfeedfactorycontinuestoexpandthescaleofmixer,mixingwithrequirementofimprovingforageadditivequantityofliquid,traditionalhorizontaldoublescrewwithmixeralreadycannotsatisfytherequirementofnewgenerationofhighperformance.Thenbiaxialbladesmixerproduceandbiaxialbladesmixerarisesatthehistoricmoment.Thismachineiswidelyusedinthefood,feed,chemical,pharmaceutical,pesticide,andotherindustriespowder,granule,flake,miscellaneousandmixedstickymaterials,Mixedcycleisshort,mixeduniformity:generalmaterialsin50~90Stimemixingdegreethan5%,reduceCVhybridtimeandimproveproductionefficiency,animalfeedfactory.Loadingquantityvariablerange:loadingcoefficientfor0.3~0.8variablerange,andmanydifferentproportionandgranularityinmaterialssuchasmixing,Mixingmachine:donotproducesegregationin1minuteaftermixing,continuetomixmaterialsnotoccurredphenomenon,andnotbecauseofclassification,suchassexualdifferenceisbigsizeandsegregation,Afast,residuesbyfoursmall:bottomdoorstructure,dischargingquick,residues,Liquidaddquantity:30%oftheliquidcanstillbemixingmaterials,whichcanbemixedstickymaterials,Adoptuniquechaintensioner,installation,fastandconvenientadjustment,Dischargingdoorsealingisreliable,dischargingtheairbagseal,sealingisreliable,longservicelife,easytochange,AdoptingWshapedthemixingchamber,built-induct,theintegr