燃煤电厂脱硫脱硝项目职业病危害因素辨识及噪声控制设计

第I页燃煤电厂脱硫脱硝项目职业病危害因素辨识及噪声控制设计5班级：安全1001班学生姓名：南方指导教师：崔晓红摘要：本文主要介绍我国燃煤厂脱硫脱硝项目职业卫生现状、职业危害辨识控制的意义。概述燃煤厂的工艺流程及其设备原理，生产过程中的职业病，以及职业危害因素的来源、对人体健康的影响；分析职业病危害防护措施，提出职业危害因素控制措施。根据给定条件，校核假设隔声间是否符合国家规范要求的声压级，经过详细计算与查阅规范，设计符合国家规范要求声压级的隔声间。关键词：燃煤电厂，职业危害因素辨识，职业病，对策，噪声控制设计第II页Coal-firedpowerplantdesulfurizationandgentrificationprojectsoccupationalhazardsidentificationandnoisecontroldesign5Class:SafetyEngineering1001Name:NanFangInstructor:Prof.CuiXiaohongAbstract:ThispaperdescribesthecurrentsituationofChina'scoal-firedplantdesulfurizationandgentrificationprojectsoccupationalhealth,occupationalhazardsidentificationsensecontrol.Anoverviewoftheprocessanditscoal-firedplantequipmentprinciple,theproductionprocessofoccupationaldiseases,aswellasthesourceofoccupationalhazards,theimpactonhumanhealth;analysisofoccupationalhazardprotectionmeasuresproposedoccupationalhazardscontrolmeasures.Accordingtothegivenconditions,assuminginsulationbetweencheckingcompliancewithnationalregulatoryrequirementsoftheSPL,afteradetailedcalculationandinspectionstandards,designedtomeettheregulatoryrequirementsbetweencountriesSPLsoundinsulation.Keywords:Coal-firedpowerplants,identificationofoccupationalhazards,occupational,countermeasures,noisecontroldesign第III页目录1绪论....................................................................................................................11.1我国燃煤厂职业卫生现状......................................................................11.2职业危害辨识控制的目的与意义..........................................................11.2.1职业危害辨识控制的目的...........................................................11.2.2职业危害辨识控制的意义...........................................................21.3本论文的主要任务.................................................................................22生产工艺.............................................................................................................22.1脱硝生产工艺..........................................................................................32.2脱硫生产工艺..........................................................................................32.2.1石灰石湿法脱硫工艺流程...........................................................32.2.2GGT一Ⅰ型燃煤锅炉烟气脱硫器..............................................42.2.3湿式冲旋脱硫除尘技术...............................................................42.2.4麻石脱硫除尘技术.......................................................................53职业危害因素辨识与控制.................................................................................63.1危险有害物质分析..................................................................................63.1.1液氨...............................................................................................63.1.2二氧化硫.......................................................................................73.1.3一氧化碳.......................................................................................73.2危险有害因素分析..................................................................................73.2.1火灾...............................................................................................83.2.2机械伤害......................................................................................83.2.3触电...............................................................................................83.2.4腐蚀危害.....................................................................................83.2.5毒物危害.....................................................................................93.3职业危害因素的识别..............................................................................93.3.1粉尘...........................................................................................103.3.2噪声...........................................................................................103.3.3高温...........................................................................................10第IV页3.3.4毒物危害...................................................................................113.4职业病危害防护设施............................................................................114噪声控制设计...................................................................................................124.1设计背景与条件....................................................................................124.2设计计算与校核....................................................................................124.3设计方案................................................................................................154.4噪声作业分级........................................................................................175总结...................................................................................................................18参考文献..............................................................................................................19致谢......................................................................................................................20第1页1绪论1.1我国燃煤厂职业卫生现状虽然近些年来，我国燃煤厂脱硫脱硝生产技术装备已经取得了巨大的进步，安全生产条件和生产作业环境也得到了极大的改善，职业危害治理总体水平不断提高，尘毒危害大幅降低。但是该行业具有职