节能技术与应用56节能ENERGYCONSERVATIONNO.012023防淹预警系统在无人值守热力站中的应用李红1贾永丽2*张滔2(1.国家电投集团东方新能源股份有限公司热力分公司,河北石家庄050000;2.河北工大科雅能源科技股份有限公司,河北石家庄050000)摘要:针对热力站水淹事故问题,研发热力站内防淹预警系统,在地下热力站内安装水浸预警装置,设定三级预/报警,以声光提示、断电、连锁保护与站内PLC系统、手机APP及调度平台联动,及时发现站内浸水、淹站现象,确保运维人员第一时间响应处理。对比2020年水淹站事故发生次数,2021年全年水淹站事故发生率较2020年降低75%,节省人工费用5.4万元,节省设备费用142万元,节省间接损失费用5.1万元,共计节省资金152.5万元。防淹预警系统能够避免由热力站水淹事故造成的经济损失,全方位保障人身和设备安全。关键词:热力站;无人值守;防淹预警中图分类号:TP277文献标识码:A文章编号:1004-7948(2023)01-0056-03doi:10.3969/j.issn.1004-7948.2023.01.015ApplicationoffloodpreventionandwarningsysteminunattendeddistrictheatingsubstationsLIHongJIAYong-liZHANGTaoAbstract:Aimingatthefloodingaccidentsofheatstations,innovatethefloodpreventionandwarningsysteminheatexchangestation,installfloodwarningdevicesinundergroundheatexchangestations,setthreelevelsofpre-alarm/alarm,linkagewithsoundandlightprompt,poweroutages,chainprotectionandon-sitePLCsystem,mobilephoneAPPandschedulingplatform,timelyfindstationofflooding,ensurethatoperationandmaintenancepersonnelrespondtotheprobleminthefirsttime.Comparedwiththenumberoffloodingstationaccidentsin2020,theincidenceoffloodingstationaccidentsin2021is75%lowerthanthatin2020,saving54000yuanoflaborcosts,savingequipmentcostsof1.42millionyuan,savingindirectlosscostsof51000yuan,savingatotalof1.525millionyuan.Thefloodpreventionandwarningsystemcanavoideconomiclossescausedbyfloodingaccidentsinheatexchangestationsandall-roundprotectionofpersonalandequipmentsafety.Keywords:heatexchangestation;unattended;floodpreventionwarning引言随着工业自动化程度的提高,对突发事件的处理要求越来越高,要求设备及时准确地提出问题,将事情状态准确无误地反馈给处理系统[1]。集中供热系统向大型化、多热源的方...