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)

2、toevaluatetheoccupationalhazardsattheworkplaceandthedistributioncharacteristicsbymonitoringintwoceramicenterprises;(2)toinvestigatethesituationoftheenterprise’soccupationalhealthprotection.Method:Theoccupationalhazardsdetermingwereconductedforcontinuous3daysateachfactory.Theitems

3、includedtotaldustconcentration,respirabledustconcentration,freesilicapercent,industrialnoise,temperature,relativehumidity,WBGT,airpressure,thermalradiationandwindspeed.Result:Dustexposureexistedin18workplacesinfactoryA.Amongthem,thedustconcentrationsof10workplacesexceedednational

4、limit.Industrialnoiselevelsovernationallimitwereverycommonintheworkplaces.ThehighestWBGTwas5.6℃higherthanthenationalstandard.Atotalof12workplacesweredeterminedinfactoryB.Thedustconcentrationinoneworkplacewaslowerthannationallimit.Thedustconcentrationsinother11workplaceswerehigher

5、thanlimit.Theindustrialnoiseofallthemonitoringpointswashigherthannationallimitofindustrialnoise.WBGTwerehigherthanthestandardlimitinallworksitesexceptfortherawmaterialsite.Conclusion:Theseresultsshowedthatthemainoccupationalhazardsinaboveceramicfactorieswereindustrialdust,industr

6、ialnoiseandhightemperature.SectionIIDiscussionontheinfluencingfactorsforceramicworkers’lungfunctiondamageObjective:Theaimofthissectionwastoevaluatetheeffectofoccupationalhazardsinceramicindustryontheworkers’lungfunctiondamage.Atotalof992ceramic2-----------华中科技大学硕士学位论文workerswerei

7、nvolvedinthestudy.Weanalyzedinfluencingfactorsforlungfunctioninjury.Method:Allsubjects’occupationalhistoryandhistoricaldustconcentrationsofceramicfactorywhichwereusedtoestablishJEMhadbeencollected.IndividualcumulativedustexposurewascalculatedonthebasisofoccupationalhistoryandJEM.

8、Individualinformationwascollectedthrough