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摘要科学技术的飞速发展,氧气相关产品的需求量持续增长,制氧企业的生产规模同样在不断扩大。氧气的物理化学性质决定了氧气在存储、生产过程中存在着爆炸、燃烧等固有危险性,同时制氧企业设备大型化、自动化程度高、高危险性、高度连续性的生产特点又决定了其具有许多潜在的危险性。制氧企业的安全评价，依据是其提供的生产工艺流程、主要设备、操作条件和使用和产出的物质等内容来进行的。对制氧企业进行安全评价能有效预防事故的发生，降低事故和职业危害，对制氧企业提供全过程、全方位的指导。本文通过大量的材料调研，论述国内外安全评价发展现状、安全评价的目的及意义。针对宜昌船舶柴油机厂制氧厂的生产特点及安全管理情况,对生产作业过程中存在的危险及有害因素进行了分析及研究。结合制氧站特点及安全评价的评价方法选取原则和方法，综合运用安全检查表法、预先危险分析法、危险度评价法（六阶段法）和事故树法,对该制氧企业安全现状进行安全评价,给出评价结论并提出相应的对策措施及建议。关键词：制氧站；安全检查表；危险源辨识；定性定量分析；安全评价ABSTRACTBecauseoftherapiddevelopmentofscienceandtechnology,thedemandforoxygenrelatedproductscontinuedtoincrease.Thescaleofoxygenproductionenterprisesisalsogrowing.Physicalandchemicalpropertiesofoxygendeterminesthatthereisanexplosion,burningandotherinherentdangersforoxygeninstorageandproductionprocess,whiledetermineitwithmanypotentiallydangerousbytheproductioncharacteristicssuchaslarge-scaleoxygen-madeequipment,highdegreeofautomation,high-riskandhighcontinuity.ThesecurityassessmentofOxygenenterpriseisbasedonthecontentofproductionprocess,majorequipment,operatingconditions,andtheuseofsubstancesandoutputswhichtheOxygenenterpriseprovidedtooperate.Thesecurityassessmentofoxygenenterprisesnotonlycanpreventaccidentsandreducethehazardsofaccidentsandoccupationbutalsoprovidethewholeprocessandfullrangeofguidance.Thisthesisresearchbyalargenumberofmaterials,Discussedtheinternalandexternalsecurityassessmentofcurrentdevelopmentandthepurposeandsignificanceofsafetyassessment.AimingattheproductionofoxygenplantcharacteristicsandsafetymanagementforYiChangMarineDieselEngineplant.analyzedandstudiedtheinherentdangersandharmfulfactorsintheproductionprocess.Syntheticallyusingsafetychecklistmethod,pre-hazardanalysis,riskevaluationmethod(six-stagemethod)andfaulttreeanalysis,madeasafetyevaluationforoxygenenterprisesecuritystatusandgaveevaluationresultsandputforwardcorrespondingcountermeasuresandsuggestions.Keywords：Oxygenstation;safetychecklist;hazardidentification;qualitativeandquantitativeanalysis;safetyevaluation目录1绪论.....................................................................11.1选题的背景及目的.....................................................11.2国内外安全评价现状...................................................11.2.1国外安全评价现状..............................................11.2.2国内安全评价现状..............................................21.3论文的主要内容和结构.................................................31.3.1论文的主要内容................................................31.3.2论文的结构....................................................32制氧站的工艺流程及分析.................................................52.1制氧站简介...........................................................52.1.1单位简介.......................................................52.1.2气象特征.......................................................52.1.3总图布置、运输及公共工程.......................................52.1.4劳动定员及工时制度.............................................52.1.5消防设施.......................................................52.2生产工艺、装置、储存设施.............................................62.2.1氧气生产及充装工艺简介.........................................62.2.2生产装置及储存设施等基本情况...................................63安全评价范围、程序及方法...............................................73.1安全评价范围.........................................................73.2评价程序.............................................................73.2.1评价程序概述...................................................73.2.2评价程序图示...................................................73.3评价方法的选择原则及过程.............................................83.3.1评价方法的选择原则.............................................83.3.2评价方法的选择过程.............................................93.4安全评价方法简介及选择说明...........................................93.4.1安全检查表法...................................................93.4.2事故树分析法..................................................103.4.3预先危险分析法................................................103.4.4危险度评价法..................................................103.4.5重大危险源辨识................................................124制氧站危险、有害因素分析..............................................134.1重大危险源辩识......................................................134.1.1制氧站重大危险源分析..........................................134.2危险有害因素分析....................................................134.2.1主要危险有害因素分析.........................................134.2.2主要危险化学物质危险性分析....................................134.2.3氧气生产过程的危险性分析......................................144.2.4储存过程的危险性分析..........................................144.2.5气瓶装卸运输过程的危险性分析..................................145定性、定量分析安全评价结果............................................165.1定性分析安全评价结果................................................165.1.1安全管理......................................................165.1.2人员素质......................................................165.1.3氧气站基本条件................................................175.1.4压力容器及管道................................................185.1.5、生产过程控制.................................................185.1.6劳动卫生与个体防护...........................................