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Title:
DEVICE AND METHOD FOR OBSERVING ABNORMALITIES IN CIRCULATING FLUIDIZED BED BOILER
Document Type and Number:
WIPO Patent Application WO/2013/153705
Kind Code:
A1
Abstract:
An abnormality observation device (1) of a circulating fluidized bed boiler (2) comprises an operation data acquisition part (21) for acquiring operation data composed of sensor data (x1-xk) of the circulating fluidized bed boiler (2), an abnormality determination part (34) for determining whether or not there are operation abnormalities in the circulating fluidized bed boiler (2) on the basis of the Mahalanobis distance (D2) of the operation data, an image data acquisition part (22) for acquiring image data of predetermined image regions (16a-16e) of the circulating fluidized bed boiler (2), and an operation data synchronizing recorder (36) for synchronizing and storing the sensor data (x1-xk) and the image data of the image regions associated with the sensor data (x1-xk) when the abnormality determination part (34) determines there to be an operation abnormality.

Inventors:
TSUKANE KAORU (JP)
ITO KAZUYOSHI (JP)
FUJII HIROTADA (JP)
Application Number:
PCT/JP2012/082677
Publication Date:
October 17, 2013
Filing Date:
December 17, 2012
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES (JP)
International Classes:
F23C10/02; G05B23/02
Foreign References:
JP2010117099A2010-05-27
JP2002189019A2002-07-05
JP2011220814A2011-11-04
JPH06215276A1994-08-05
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
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