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Title:
生下り判定装置及び方法
Document Type and Number:
Japanese Patent JP7017973
Kind Code:
B2
Abstract:
To improve determination accuracy of a raw-down.SOLUTION: The raw-down determination apparatus includes: an image-obtaining part for obtaining a plurality of images photographed with insides of a blast furnace through a monitor window provided at a tuyere of the blast furnace every predetermined time; a data-generating part for generating first time series data composed of respective luminance representative values of a first time width of the past by computing respective luminance representative values from the plurality of images; an abnormal determination value-computing part for computing an abnormal determination value for determining the raw-down using the first time series data with an auto-correlation function; and a raw-down determination part for determining whether a raw-down occurs or not on the basis of the abnormal determination value.SELECTED DRAWING: Figure 1

Inventors:
Takashi Kuwana
Naokazu Sakoda
Kazuaki Nitta
Yosuke Tanaka
Application Number:
JP2018070930A
Publication Date:
February 09, 2022
Filing Date:
April 02, 2018
Export Citation:
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Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
C21B7/24; C21B5/00; F27D21/00
Domestic Patent References:
JP2015052148A
JP2015025199A
JP7305105A
JP58055512A
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Kotani
Satoshi Sakurai