船用核动力装置给水加热器故障影响及系统效率优化  

On the Effect and Efficiency Optimization of Water Heater Deactivation in Marine Nuclear Power Plant

作　　者：崔佳林 杨自春[1] 张磊[1] 陆英栋 CUI Jia-lin;YANG Zi-chun;ZHANG Lei;LU Ying-dong(School of Power Engineering,Navy University of Engineering,Wuhan 430033,Chin)

机构地区：[1]海军工程大学动力工程学院,武汉430033

出　　处：《船海工程》2018年第4期112-115,119,共5页Ship & Ocean Engineering

基　　金：国家自然科学基金(51609251)

摘　　要：针对给水加热器停用后对船用二回路系统热力参数影响较大和动力装置功率下降的问题,提出适用于给水加热器停用计算的二回路系统主、辅蒸汽流量匹配模型,在反应堆功率不变的条件下,通过多次迭代计算实现主机与辅机耗汽量的匹配运行,采用人群搜索算法和外点罚函数法相结合,对二回路系统效率进行优化,得到给水加热器停用对主机功率和系统效率等参数,优化幅度达到1.06%,可有效降低给水加热器停用造成的功率损失。Aiming at the question of the effect on marine secondary circuit thermal parameters is serious and the power of power station decreases when feed water heater disabled,a main-auxiliary steam flow matching model for feed water heater deactivation calculation of secondary circuit system was proposed. The model achieves matching operation of the steam consumption between main steam turbine and auxiliary steam turbine by several iterations under the condition that the reactor power was constant. The efficiency of secondary circuit was optimized by combining seeker optimization algorithm and exterior point penalty function method. The influence of feed water heater deactivation on parameters such as main steam turbine power and system efficiency were achieved,the optimization rate was achieved by 1. 06%,which effectively reduced the power loss caused by the deactivation of feed water heater.

关 键 词：二回路 给水加热器 停用 效率优化 

分 类 号：U664.15[交通运输工程—船舶及航道工程]