基于Hollysys的火电厂干渣机自动控制系统设计  

Design of automatic control system for slag dryer in thermal power plant based on Hollysys

作　　者：刘晓莎 王锟 王林[2] 田永毅[1] 汪晓虹 夏东盛[1] LIU Xiaosha;WHANG Kun;WANG Lin;TIAN Yongyi;WANG Xiaohong;XIA Dongsheng(Shaanxi Polytechnic Institute,Shaanxi Xianyang 712000, China;Xi’an Thermal Power Research Institute Co. , Ltd. ,Shaanxi Xi’an 710054, China)

机构地区：[1]陕西工业职业技术学院,陕西咸阳712000 [2]西安热工研究院有限公司,陕西西安710054

出　　处：《工业仪表与自动化装置》2021年第5期12-15,72,共5页Industrial Instrumentation & Automation

基　　金：国家科技支撑计划资助项目(2015BAA03B01);陕西工业职业技术学院院级科研项目(2021YKYB-048)。

摘　　要：为了解决燃煤电厂锅炉干除渣系统故障率高、设备间联锁保护不完善的问题,基于Hollysys工业过程自动化控制软件,针对就地炉底排渣装置、链带输渣机、液压油站、碎渣机等设备的技术特性,搭建并应用了干渣机自动控制系统。该系统设计了液压碎渣、钢带张紧、冷渣斗开关、设备间联锁跳闸等关键功能模块,经机组实际运行检验,干渣机自动控制系统调节性能优良,设备运行稳定可靠,有效保障了锅炉的长期安全运行,相关经验可供后续同类设备参考。In order to solve the problems of high failure rate of dry slag removal system of coal-fired power plant boiler and imperfect interlock protection between equipment,based on the Hollysys industrial process automation control software,aiming at the technical characteristics of underground slag discharge device,chain belt slag conveyor,hydraulic oil station,slag crusher and other equipment,the automatic control system of dry slag machine is built and applied.The system is designed with key function modules such as hydraulic slag crushing,steel belt tensioning,cold slag hopper switch,interlocking trip between equipment,etc.According to the actual operation test of the unit,the automatic control system of the dry slag machine has excellent regulation performance,stable and reliable equipment operation,effectively ensuring the long-term safe operation of the boiler,and the relevant experience can be used as a reference for similar equipment in the future.

关 键 词：燃煤电厂 干渣机 自动控制 HOLLYSYS 可靠性 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]