600 MW超临界机组深度调峰安全可靠运行解析  

Analysis on safety and reliability of 600 MW supercritical units’ deep peak regulation

作　　者：孙海峰 王兆辉 王建峰 胡妲 朱跃 SUN Haifeng;WANG Zhaohui;WANG Jianfeng;HU Da;ZHU Yue(China Huadian Electric Research Institute Company Limited,Hangzhou 310030,China;Huaneng Xinhua Power Generation Company Limited,Daqing 163000,China)

机构地区：[1]华电电力科学研究院有限公司,杭州310030 [2]华能新华发电有限责任公司,黑龙江大庆163000

出　　处：《华电技术》2020年第12期94-100,共7页HUADIAN TECHNOLOGY

摘　　要：为加快非化石能源发展,推进能源生产和消费革命,深度调峰成为燃煤机组响应国家推进能源生产和消费革命的主要手段。通过2台600 MW超临界机组深度调峰的应用,总结深度调峰的难点,并针对机组烟风系统、制粉系统、给水系统、轴封及氢冷器和定冷水系统、循环水和凝结水系统、大/小机本体部分等专业系统予以分述。分析了深度调峰各系统的调整方式及注意事项。依据调整试运行经验,给出汽机侧和锅炉侧的调整注意事项,为同类型燃煤机组深度调峰提供借鉴。In order to expedite the development of non-fossil resources and promote the reform of energy production and consumption,deep peak regulation has become the main incentive measure for coal-fired units.Analyzing the application of deep peak regulation in two 600 MW supercritical units,the difficulties in deep peak regulation were summarized,and specialized subsystems including flue gas and air system,pulverizing system,water supply system,shaft seal and hydrogen cooler,stator cooling water system,circulating water and condensate system,bodies of large/small turbines were subscribed.The adjustment modes and points for attention of each subsystem during the deep peak regulation were analyzed.According to the experience in adjustment and trial operation,key points on steam turbine side and boiler side were given,which could be used as a reference for deep peak regulation of the same-type coal-fired units.

关 键 词：超临界机组 深度调峰 汽机 锅炉 灵活性改造 循环水泵 

分 类 号：TK11[动力工程及工程热物理—热能工程]