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作 者:杨俊 潘晓磊 蔡龙海 张大全 朱冲 姚勇 YANG Jun;PAN Xiaolei;CAI Longhai;ZHANG Daquan;ZHU Chong;YAO Yong(Huadian Fengxian Gas Turbine Power Generation Co.,Ltd.,Fengxian District,Shanghai 201404,China;School of Environmental and Chemical Engineering,Shanghai University of Electric Power,Yangpu District,Shanghai 200090,China)
机构地区:[1]华电奉贤燃机发电有限公司,上海市奉贤区201404 [2]上海电力大学环境与化学工程学院,上海市杨浦区200090
出 处:《发电技术》2020年第4期391-398,共8页Power Generation Technology
基 金:国家自然科学基金项目(51571140)。
摘 要:在火力发电厂中,主设备的腐蚀问题会带来重大安全隐患和经济损失。因此,电厂热力设备在停运期间采取适当的保养措施是非常重要的。针对9F级燃气-蒸汽联合循环供热机组中余热锅炉的水汽系统,制定了热风+气相缓蚀剂的停运防锈蚀联合保养方法,通过减少设备内部水分,通入带有保护性的气相缓蚀剂来达到保护热力设备的目的。阐述了停用保护系统设计、保养实施过程、保养装置运行操作,为燃机机组停用保护工作的有效实施提供必要的参考。实际应用的检验表明,该停用保护技术具有成本低廉、操作简单、保护高效等优点,对于启停频繁的燃机热力设备的维护和保养工作具有重要的指导意义。In thermal power plants,the corrosion of main equipment can cause major safety hazards and economic losses.Thus,it is very important to take proper maintenance for thermal equipment in power plant during shutdown.A maintenance method of hot air combined with vapor phase corrosion inhibitor was developed for the water vapor system of waste heat boiler in the 9F class gas-turbine combined cycle generation unit.The protection for the thermal equipment was achieved by reducing the inner moisture and injecting vapor phase corrosion inhibitor.The design and implementation of the shutdown maintenance system were described in detail.The actual operation of this maintenance in electric power plant shows the advantages of low cost,simple operation and high protection efficiency.The maintenance of hot air combined with vapor phase corrosion inhibitor has the great guiding significance for the protection of thermal equipment and other related machinery during shutdown.
关 键 词:9F级燃气-蒸汽联合循环机组 气相缓蚀剂 停用保护
分 类 号:TM621[电气工程—电力系统及自动化]
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