液动高压加热器三通阀的分析与研究  

Analysis and research on hydraulic three-way valve for HP heater

作　　者：万胜军[1] 

机构地区：[1]哈电集团哈尔滨电站阀门有限公司,哈尔滨150066

出　　处：《黑龙江电力》2017年第5期453-456,共4页Heilongjiang Electric Power

摘　　要：阐述了超超临界火电机组高压加热器液动旁路保护系统的工作原理,以及液动高加三通阀的结构特点。通过仿真计算与分析,验证了液动高加三通阀的工作特性,其能够保证高加投运和解列时介质压力波动小,机组运行平稳、可靠。Operating principle of hydraulic by - pass protection system for HP heater used in ultra - supercritical thermal power units is expounded, as well as the structure characteristics of hydraulic three - way valve for HP heater. According to the simulation analysis and calculation, the working characteristics of hydraulic three - way valve for HP heater are verified, which can ensure the medium pressure fluctuation is less during HP heater com- missioning and splitting and the the units operate steady and reliable.

关 键 词：高压活塞 液动高加三通阀 缓冲结构 减压罩 

分 类 号：TK223.6[动力工程及工程热物理—动力机械及工程]