呼吸防護面具設計及卡扣的裝配力學分析.pdf

1、武漢理工大學碩士學位論文呼吸防護面具設計及卡扣的裝配力學分析姓名：劉容申請學位級別：碩士專業(yè)：材料加工工程指導教師：余世浩20100501AbstractStaffhealthandsafetyinthedustandharmful(toxic)gasenvironmenthaveobtainedmoreandmorerecognitioninoBrcountrybutdust，harmful(toxic)gasesonthehuman

2、bodyisstillaseriousoccupationalhazardThereasonisnotpoorworkingconditionsandinfirmnesspersonalprotectionawarenessbuttherespiratoryprotectiveequipmentqualityperformanceandwearingcomfortTheresearchanddevelopmentofRespirator

3、yProtectiveEquipmentinChinaisrelativelyweakThereisnotenoughmaturetechnologyandincompletedesignsysteminrespiratoryprotectiveequipmentTherefore，therewillhaveimportanttheoreticalandsocialsignificanceifthepreventionandprotec

4、tionofoccupationaldustdusthealthpersonnelhavebeenenhancedwithdesigntheorymethodsandstructureofrespiratoryprotectiveequipmentstudyingInthispaperaexampleisput，thatistheselfabsorptionfiltermasksofrespiratoryprotectivemaskwe

5、putanewdesignconceptthroughstudyit’Sdesignprocessanddesignmethod，andadesignschemeimprovedhaveputthroughtheanalysisandcomparisontotheexistingdesignschemeThemainworkfollows：Thedeadspacevolumeofselfprimingfiltermaskshasbeen

6、acontroversialtopicInthepaperthroughanalyzingthecharacteristicsofrespiratoryprotectivemasksandtechnicalrequirementsunder”RespiratoryProtectiveEquipmentSelfprimingfiltertypeparticulaterespirator”(GB2626—2006)and”respirato

7、ryprotection—selfabsorptionfilterrespirators”(GB2890—2009)，theroughcalculationofdeadspacevolumehavebeenproposed，whichisthedesignreferenceofdeadspacevolumeInspiratoryresistanceandfiltrationefficiencyofrespiratoryprotectiv

8、emaskisalwaysapairofconflictingtechnicalparameters，thismethodtoincreasefiltrativeratebyincreasethethicknessofthedustfilterboxwillinevitablyincreaseinspiratoryresistanceInthePaperthroughcomparedthecharacteristicsofdomesti

9、candfo積印productsaccordingtothecharacteristicsandtechnicalrequirementsofSelfprimingfilterprotectivemask，thesecondcavitystructureandarelatedselfprimingfilterprotectivemaskdesignhaveputThestructureCanmeetbreathingmethod，sep

10、araterespiratoryandsuction，solvethecontradictionbetweenfiltrationefficiencyandexpiratoryresistance，moregreatlyreducetheexpiratoryresistancethansimilarprotectivemaskTheassemblymechanicsanalysistothesnapconnectionsbetweent