吹灰器内漏在线检测系统在防止#4锅炉受热面损伤中探究和应用.docVIP

吹灰器内漏在线检测系统在防止#4锅炉受热面损伤中探究和应用 　　摘要：针对华电滕州新源热电有限公司#4机组锅炉吹灰器运行状况，论述进行吹灰器内漏在线监测系统研究与应用的必要性及主要研究内容。本技术通过在吹灰器鹅颈阀后加装温度测点，监测吹灰蒸汽温度信号，模拟吹灰器蒸汽泄漏状态试验，确定吹灰器蒸汽温度参数标准，建立吹灰器内漏分析判断模型和功能画面，实现内漏状态在线监测报警。从而有效减少或避免因吹灰器内漏导致的锅炉受热面损伤，提高锅炉运行安全性，具有较好的经济效益和社会效益。 关键词：吹灰器；内漏；在线监测；研究应用 中图分类号： TK223 文献标识码： A 文章编号： Research and application of Sootblower leakage on-line detection system in the prevention of #4 boiler heating surface injury. ZHUO Deyong ,DONG Ruixin ,WU Chaofeng ,XIAO Lei Author unit: Zhuo Deyong ,Wu Chaofeng ,Xiao Lei,Huadian Tengzhou Xinyuan Thermal Power Co. Ltd., Address: Shandong Tengzhou Jing Zhuang Street No. 19, zip code: 277500 Dong Ruixin,Shandong Hongao Electric Power Technology Co., Ltd., Address: Ji’nan City High-tech Zone Shun Road 359 No. three, century wealth center block B2, zip code: 250101 ABSTRACT：For boiler of #4 unit in Huadian Tengzhou Xinyuan thermal power company running status of the ash blowing, blowing on study and application of on-line monitoring system of leakage of ash in the necessity and the main research content. This technology through the installation of temperature measuring points in blowing the gooseneck valve device, monitoring and sootblowing steam temperature signal, simulation of soot-blower steam leakage test, to determine sootblowing steam temperature parameters of the standard, establish the sootblower leakage analysis model and the function of picture, realize monitoring of internal leakage in line alarm. In order to reduce or avoid sootblowers boiler heating surface leakage caused by injury, improve the running safety of boiler, with good economic and social benefits. KEYWORDS：Soot blower; leakage; on-line monitoring; Application Research 0引言 现役吹灰器内漏、卡涩等故障时常出现，造成锅炉受热面吹损，甚至爆管，给电厂带来不必要的损失。随着电厂机组管理水平的提高，研发锅炉吹灰器内漏在线监测系统势在必行。华电滕州新源热电有限公司与山东泓奥电力科技有限公司合作，结合#4机组锅炉吹灰器的运行情况，进行了吹灰器内漏等故障监测系统的研究和应用，取得了较好的效果。 1#4机组锅炉及吹灰器的基本情况和运行现状 1.1锅炉及吹灰器的基本情况 华电滕州新源热电有限公司#4机组315MW锅炉是采用美国燃烧工程公司（CE）的引进技术设计和制造的。锅炉为亚临界参数、一次