陶瓷行业职业有害因素评价与其对肺功能的影响分析

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1、-------华中科技大学硕士学位论文EvaluationofoccupationalhazardsinceramicindustryandstudyontheireffectsonlungfunctionCandidateforMasterDegree:WanjunYiSupervisor:WeihongChenABSTRACTSectionIMeasurementandevaluationofoccupationalhazardsinceramicenterprisesObjective:Theobjectiveofthissectionwas(1)toevaluatethe

2、occupationalhazardsattheworkplaceandthedistributioncharacteristicsbymonitoringintwoceramicenterprises;(2)toinvestigatethesituationoftheenterprise’soccupationalhealthprotection.Method:Theoccupationalhazardsdetermingwereconductedforcontinuous3daysateachfactory.Theitemsincludedtotaldustconcentra

3、tion,respirabledustconcentration,freesilicapercent,industrialnoise,temperature,relativehumidity,WBGT,airpressure,thermalradiationandwindspeed.Result:Dustexposureexistedin18workplacesinfactoryA.Amongthem,thedustconcentrationsof10workplacesexceedednationallimit.Industrialnoiselevelsovernational

4、limitwereverycommonintheworkplaces.ThehighestWBGTwas5.6℃higherthanthenationalstandard.Atotalof12workplacesweredeterminedinfactoryB.Thedustconcentrationinoneworkplacewaslowerthannationallimit.Thedustconcentrationsinother11workplaceswerehigherthanlimit.Theindustrialnoiseofallthemonitoringpoints

5、washigherthannationallimitofindustrialnoise.WBGTwerehigherthanthestandardlimitinallworksitesexceptfortherawmaterialsite.Conclusion:Theseresultsshowedthatthemainoccupationalhazardsinaboveceramicfactorieswereindustrialdust,industrialnoiseandhightemperature.SectionIIDiscussionontheinfluencingfac

6、torsforceramicworkers’lungfunctiondamageObjective:Theaimofthissectionwastoevaluatetheeffectofoccupationalhazardsinceramicindustryontheworkers’lungfunctiondamage.Atotalof992ceramic2-----------华中科技大学硕士学位论文workerswereinvolvedinthestudy.Weanalyzedinfluencingfactorsforlungfunctioninjury.Method:All

7、subjects’occupationalhistoryandhistoricaldustconcentrationsofceramicfactorywhichwereusedtoestablishJEMhadbeencollected.IndividualcumulativedustexposurewascalculatedonthebasisofoccupationalhistoryandJEM.Individualinformationwascollectedthrough