浙江海洋大学毕业论文（设计）文献综述学院：船博与海运学院专业：轮机工程（管理方向）班级：学号：学生姓名：指导教师：二O二三年四月船舶柴油机节能减排技术及其应用分析摘要：减少船舶排放污染一直是船舶研究设计的重中之重。船舶航行动力装置的燃料大部分是燃油。因此，在同样的条件下，通过各种技术使得船舶在航行过程中减少排放的污染物，减轻对于环境的污染，是非常重要的。首先，需要对船舶在航行过程中排放气体中污染物的种类、含量、对大气环境的危害程度以及有害气体的物质属性有深入的了解：其次，通过文献研究和对比的方法，对产生这些有害气体的原因进行分析，深入分析喷射系统、进气压力、温度、气体成分、进气方式等各方面的问题，分析其对有害气体产生影响的大小程度以及怎样对有害气体的排放产生相应的影响：最后，基于以上两方面的理论基础，本文对船舶的节能减排技术应用分为机前处理、机内处理和机后处理三个方向分别分析并比较对于同个阶段中不同节能减排技术，得出现有各个技术存在的不足和缺陷，对这些缺陷提出改进的方法，以及对一些在未来有发展潜力或阻力的技术进行分析。经过对比研究，当前机前处理中使用的燃料替代的方法是比较科学的，而且具有较大的发展潜力，能从源头降低氮氧化物的排放：在机内处理中，针对燃油系统和进气系统的改进，分别主要应用电控高压共轨喷射系统和高增压技术，来改善燃烧过程，提高燃烧效率：而在机后处理中，主要应用催化转化技术，将要排出的气体进行最后的处理，最大程度降低对大气环境的污染。关键词：船舶柴油机，节能减排，燃油系统Analysis of energy-saving and emission-reductiontechnology of ship diesel engine and its applicationAbstract:Reducing the emission pollution of ships has always beenthe top priority of ship research and design.Most of the fuel for theship's navigation power plant is fuel oil.Therefore,under the sameconditions,it is very important to reduce the pollutants discharged byships in the process of navigation and reduce the pollution of theenvironment through various technologies.first,It is necessary to havea deep understanding of the types and content of the pollutants dischargedby the ship in the gas,the harm degree to the atmospheric environmentand the material properties of the harmful gases during the navigationprocess;next,Through the methods of literature research and comparison,On the analysis of the causes of these harmful gases,In-depth analysisof the injection system,intake pressure,temperature,gas composition,intake mode and other aspects of the problem,Analyze the magnitude ofits impact on harmful gases and how to have a corresponding impact on theemission of harmful gases;last,Based on the theoretical basis of theabove two aspects,In this paper,the application of energy saving andemission reduction technology in ships is divided into three directions:pre-processing,in-processing,to analyze and compare different energysaving and emission reduction technologies in the same stage,There mustbe the deficiencies and defects in each technology,Introduce improvedmethods for these defects,And the analysis of some technologies that havethe potential or resistance to develop in the future.By comparison,the fuel replacement method used in the currentpreprocessing is relatively scientific and has great developmentpotential to reduce the emission of nitrogen oxide from the source.Inthe afterprocessing,the improvement of the fuel oil system and the intakesystem are the high-pressure common rail injection system and the high