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船舶细水雾喷淋系统.doc

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船舶细水雾喷淋系统

南通航运职业技术学院毕业设计（论文）班级电气3081 专业电气自动化题目船用消防细水雾喷淋系统学生姓名吴鹏指导教师季肖锋 2010年12月23日目录摘要····································································3 1．绪论·······························································4-6 1.1细水雾灭火系统产生的背景·····································4 1.2细水雾灭火系统发展概况?······································4-5 1.3船舶机舱火灾的特点············································5-6 2细水雾灭火系统介绍···············································6-10 2.1.1细水雾的定义···············································6 2.1.2　细水雾分类················································6-7 2.1.3 细水雾的成雾原理·········································7-8 2.1.4细水雾灭火机理·············································8 2.1.5细水雾灭火系统性能特点··································8 2.1.6 细水雾灭火系统上网优越性及其与其它灭火系统的比较 ········································································9-10 2.2细雾灭火系统的分类··········································10-11 2.2.1 按介质分类··················································11 2.2.2 按系统工作压力分为·······································11 2.2.3按应用方式分为·············································11 2.2.4按动作方式分为·············································11 2.2.5按供水方式可分为··········································11 2.3细水雾灭火系统适用范围和应用场所 ········································································11-12 2.4水滴粒径大小与灭火能力的关系?····························12-133.0 机舱细水雾灭火系统设计······································13-16 3.1.1船舶细水雾喷淋系统的重要组成及组成部分的作用与要求······································································13-16 3.1.2 系统的工作原理及控制方式·······························17 3.1.3系统的动作流程图···········································17-19 3.2 PLC控制程序的编写············································19 3.2．1 I/O 分配表····················································19-24 3.2.2电气接线图····················································25 3.2.3 PLC 控制程序梯形图········································25-29