600 MW超临界机组火检冷却风系统改造及控制逻辑优化  

Transformation and Control Logic Optimization of Fire Checking Cooling Air System of 600 MW Supercritical Unit

作　　者：张伟伟 白光远 吴斌 ZHANG Weiwei;BAI Guangyuan;WU Bin(Inner Mongolia Guohua Hulunbuir Power Generation Co.,Ltd.,Hulunbuir,Inner Mongolia 021000,China)

机构地区：[1]内蒙古国华呼伦贝尔发电有限公司,内蒙古呼伦贝尔021000

出　　处：《东北电力技术》2023年第2期52-57,共6页Northeast Electric Power Technology

摘　　要：针对火检冷却风机运行中存在入口滤网频繁堵塞、风机频繁切换、耗能多以及噪声大问题,提出采用部分冷一次风替代火检冷却风机达到对火检探头冷却和吹扫作用,实现运维人员工作减负和节能降耗的目的。通过现场实际应用验证了所提出火检冷却风系统的改造能够提高设备的使用寿命,并提升了火检冷却风系统运行的可靠性,为同类型机组在火检冷却风系统上的改造提供参考。According to the problems of frequent clogging of inlet filter screen,frequent switching of fan,high energy consumption and high noise in the operation of fire checking cooling fan,it is proposed to replace the fire checking cooling fan with part of cold primary air to achieve the cooling and purging functions of fire checking probe,so as to realize the purpose of reducing the load of operation and maintenance personnel,saving energy and reducing consumption.The field application verifies that the proposed modification of fire checking cooling air system can improve the service life of equipment and the operation reliability of fire checking cooling air system.It provides a reference for the modification of fire checking cooling air system of the same type units.

关 键 词：燃煤电厂 火检冷却风机 火检探头 节能降耗 

分 类 号：TM621[电气工程—电力系统及自动化]