首页>
外国专利>
Fluidized bed boiler monitoring recording medium for fluidized bed boiler monitoring equipment, fluidized bed boiler monitoring method, and fluidized bed boiler monitoring program
Fluidized bed boiler monitoring recording medium for fluidized bed boiler monitoring equipment, fluidized bed boiler monitoring method, and fluidized bed boiler monitoring program
展开▼
机译：流化床锅炉监控设备的流化床锅炉监控记录介质，流化床锅炉监控方法和流化床锅炉监控程序
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To provide a fluidized bed boiler monitoring device for accurately detecting abnormality in a fluidized condition or in a furnace in a short time.;SOLUTION: The fluidized bed boiler monitoring device comprises a FFT frequency property calculating means 95 for calculating a power spectrum per frequency and a dimensionless power spectrum per frequency in which the power spectrum per frequency is made dimensionless in accordance with a differential pressure value inside a fluidized bed and a differential pressure value outside the fluidized bed, a first abnormality determining means 97 for calculating a high frequency strength factor as a change factor before/after a FFT treatment interval for all power spectrums in a first preset frequency band based on the power spectrum per frequency and determining abnormality in the furnace, and a second abnormality determining means 99 for determining that a fluidization index value in which an average value for all power spectrums in a preset time is made dimensionless, in a second preset frequency band based on the power spectrum per frequency in which a decibel value for the dimensionless power spectrum per frequency is a preset decibel value or greater, shows the abnormality of fluidization.;COPYRIGHT: (C)2005,JPO&NCIPI
展开▼
