擠壓造粒機(jī)組抽吸系統(tǒng)的故障分析與改進(jìn)措施研究.pdf

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3、archoffailureanalysisandimprovementmeasuresonextrusiongranulationunitsuctionsystemSpeciality：MechanicalEngineeringName：ZhuHui(signature)Instructor：PengHai(signature)LiShuanggang(signature)ABS’I’RAC’l。Withthedevelopmentof

4、industryandrelatedindustries，thedomesticpolypropylenedevicehasanexplosivegrowthBecauseofthedemandchangingonpolypropylenemarketandtherequirementofincreasingperformanceofresin，polypropyleneproductionenterpriseneedtodevelop

5、andproduceahighperformanceproductsWhiletheadditivesisgranulatedbyextrusiontoachieve，usingoftheadditivesCanimprovetheperformanceandqualitystabilityofpolypropyleneExtrusiongranulationprocessproducealTlountsofdustAndthedust

6、suctionsystemwillseriousaffecttheproductionSafetyandworkenvironmentWiththedustconcentrationincreasing，whichwillcausedustflashaccident，injuriesandpollutionThus，itisanimportantlinkinpelletingmachineproductionthatsolvingthe

7、problemofdustemissioningranulatorsuctionsystemInthispaperthroughqueryingtheinformationonpolypropyleneproductionathomeandabroad，investigatingthedomesticpartlypolypropylenedevice，studyingtheproductiondevicescharacteristics

8、andperformance，analyzingtheworkingprincipleandcharact耐sticsofallkindsofextrusionpelletingmachineAccordingtothestructurecharacteristicaboutourfactoryproductionequipment，wechoosetwosetsoftypicaldustemissionplansanddesigned

9、afeasibledustemissionschemeofsuctionsystemAnalyzingthefaulttypesandproductioninfluencingfactorsonextrusionpelletingmachine，weputforwardthecorrespondingsolutionsThecorrespondingimprovementmeasureswerepresentedbythefaultan

10、alysisofsuctionsystemThesuctionsystemhasbeenredesignedbyusingtheexistingequipment，whichrecycledPRpowdercomprehensivelyrealizedZerOdischarge，comprehensiveautomaticcontrolling，andreducedproductionsafetydangersItalsealizedd

11、ustofclosedcyclefundamentallythatreducedthedustharmtotheproductionByrealizingthe”zeroemissions”suctionsystem，theunitWas0peratedsafelyandsmoothlyandtheoperatordustexposureproduceoccupatlonalnazardSwereeradicatedKeywords：E