Title:
BLAST FURNACE ABNORMALITY ASSESSMENT DEVICE, BLAST FURNACE ABNORMALITY ASSESSMENT METHOD, AND BLAST FURNACE OPERATION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/204043
Kind Code:
A1
Abstract:
This blast furnace abnormality assessment device is provided with: an abnormality indicator-calculating means for calculating an abnormality indicator that represents the degree of abnormality of a blast furnace; a ventilation indicator-calculating means for calculating a ventilation indicator for the blast furnace; and an assessment means for assessing the state of abnormality of the blast furnace using the abnormality indicator calculated by the abnormality indicator-calculating means and the ventilation indicator calculated by the ventilation indicator-calculating means. The abnormality indicator-calculating means preferably calculates the abnormality indicator using the output values of a shaft pressure sensor group disposed around the blast furnace body.
Inventors:
SHIMAMOTO HIROYUKI (JP)
ITO TOMOHIKO (JP)
YAMAGUCHI TATSUYA (JP)
NISHIMURA NOZOMU (JP)
ITO TOMOHIKO (JP)
YAMAGUCHI TATSUYA (JP)
NISHIMURA NOZOMU (JP)
Application Number:
PCT/JP2020/014881
Publication Date:
October 08, 2020
Filing Date:
March 31, 2020
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C21B5/00; C21B7/24; F27D21/00; G05B23/02
Foreign References:
| JP2017128805A | 2017-07-27 | |||
| JP2018165399A | 2018-10-25 | |||
| JP2017088950A | 2017-05-25 | |||
| JP2018204076A | 2018-12-27 | |||
| JP2017128805A | 2017-07-27 | |||
| JP2017190482A | 2017-10-19 |
Other References:
STATISTICAL PROCESS CONTROL USING PROCESS CHEMOMETRICS, SYSTEMS, CONTROL AND INFORMATION, vol. 48, no. 5, 2004, pages 165 - 170
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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