声学技术在电厂设备状态监测中的应用研究

摘 要:作为传统检测手段的有益补充,声学技术对电厂设备状态监测与控制有重要意义.在长期电厂设备声学检测研究的基础上,介绍了用于电厂设备状态监测的几种新颖的声学检测技术:电厂锅炉炉内温度场、动力场、炉管泄漏声学在线监测,声波除灰和声波助燃技术;声发射技术在电厂大型旋转机械故障诊断、压力容器及管道检测中的应用;两相流动介质中流量、浓度、粒径的声学测量;电厂设备中松动部件声学监测等.阐述了各项技术的原理、优势及研究现状,并指出其今后的主要研究方向和内容,对声学技术应用于电厂设备状态监测具有指导意义.
关键词:电厂设备;状态监测;声学技术;锅炉;声发射;两相流
分类号:TK31  文献标识码:A
文章编号:1004-9649(2007)01-0060-06

Application research of acoustic technology in the condition monitoring of power plant equipment

AN Lian-suo  SHEN Guo-qing  GUO Jin-peng  YAO Zheng-lin  JIANG Gen-shan 

基金项目:国家自然科学基金资助项目(10574043);教育部高等学校博士学科点专项科研基金资助项目(20050079004)
作者简介:安连锁(1955-),男,河北武邑人,教授,博士生导师,从事电厂设备状态监测与控制研究.E-mail:liansuoan@ncepu.edu.cn
作者单位:安连锁(华北电力大学,电站设备状态监测与控制教育部重点实验室,北京,102206) 
      沈国清(华北电力大学,电站设备状态监测与控制教育部重点实验室,北京,102206) 
      郭金鹏(中国水利电力物资北京公司,北京,100053) 
      姚正林(华能上安电厂,河北,石家庄,050310) 
      姜根山(华北电力大学,电站设备状态监测与控制教育部重点实验室,北京,102206) 

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