船用增压器喷嘴环优化技术实船应用研究  

Study on The Application of Optimization Technology in Real Ship of Marine Turbocharger Nozzle Ring

作　　者：骆怀宏 尹自斌[2,3] Luo Huai-hong;Yin Zi-bin(Quanzhou Ocean Institute,Fujian Quanzhou 362712,China;School of Marine Engineering,Jimei University,Fujian Xiamen 361021,China;Fujian Provincial Key Laboratory of Naval Architecture and Ocean Engineering,Fujian Xiamen 361021,China)

机构地区：[1]泉州海洋职业学院,福建泉州362712 [2]集美大学轮机工程学院,福建厦门361021 [3]福建省船舶与海洋工程重点实验室,福建厦门361021

出　　处：《内燃机与配件》2023年第4期24-26,共3页Internal Combustion Engine & Parts

摘　　要：本文针对某散货船主机降速节能后对主机运行工况的负面影响,基于柴油机与涡轮增压器之间的匹配特性及其优化措施的分析,对主机VTR354型涡轮增压喷嘴环进行优化再匹配,以改善柴油机性能,为航运企业营运船舶提供可操作和重应用的节能减排方案。通过主机运转试验,结果表明主机在同一常用运行转速下,涡轮增压器喷嘴环优化后主机各缸的排气温度均有不同程度下降,主机扫气压力提高了0.17bar,较优化前提高8.9%,改善了柴油机因降速引起的扫气压力低,排气温度高的不良性能。In view of the negative impact on the operating conditions of the main engine of a bulk carrier after the speed reduction and energy conservation of the main engine, based on the analysis of the matching characteristics and optimization measures between the diesel engine and the turbocharger, this paper optimizes and matches the VTR354 type turbocharger nozzle ring of the main engine to improve the performance of the diesel engine, and provides an operable and re applied energy conservation and emission reduction scheme for shipping enterprises. Through the operation test of the main engine, the results show that under the same common operating speed of the main engine, the exhaust temperature of each cylinder of the main engine has decreased to varying degrees after the optimization of the turbocharger nozzle ring, and the scavenging pressure of the main engine has increased by 0.17bar, 8.9% higher than before, improving the poor performance of the diesel engine due to low scavenging pressure and high exhaust temperature.

关 键 词：节能 优化 应用 增压器 喷嘴环 

分 类 号：TK413.5[动力工程及工程热物理—动力机械及工程]