Title:
OPERATION METHOD FOR BLAST FURNACE
Document Type and Number:
Japanese Patent JP2018119198
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an operation method for blast furnace to reduce the amount of water to be charged into a blast furnace as well as to prevent breakage of equipment at a furnace top portion.SOLUTION: There is provided an operation method for blast furnace in which water is charged into the blast furnace from a cooling device installed at a top portion of the furnace. Using a plurality of ultrasonic sensors installed on the same plane of the opening hole of the blast furnace, temperatures of a plurality of measurement points in the plane of a furnace opening hole are measured. A cooling device is provided in the circumferential direction of the top portion of the blast furnace and has a plurality of sprayers corresponding to the plurality of measurement points. When it is determined that the temperature of any one of the plurality of measurement points exceeds a reference value, water is charged into the blast furnace from a sprayer associated with the measurement point whose temperature exceeds the reference value.SELECTED DRAWING: Figure 1
Inventors:
YAMAGUCHI TATSUYA
KANEYAMA SHINNOSUKE
NISHIMURA NOZOMI
ICHIKAWA WAHEI
OGASAWARA YASUSHI
SATO TAKESHI
KANEYAMA SHINNOSUKE
NISHIMURA NOZOMI
ICHIKAWA WAHEI
OGASAWARA YASUSHI
SATO TAKESHI
Application Number:
JP2017013084A
Publication Date:
August 02, 2018
Filing Date:
January 27, 2017
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C21B5/00
Domestic Patent References:
| JP2018035393A | 2018-03-08 | |||
| JP2018070925A | 2018-05-10 | |||
| JPH11264005A | 1999-09-28 | |||
| JP2010145407A | 2010-07-01 | |||
| JP2014080687A | 2014-05-08 | |||
| JP2003064407A | 2003-03-05 |
Attorney, Agent or Firm:
Daisuke Ozaki
Akira Kumasaka
Isomura Tetsuro
Tetsuya Sakai
Kazuhiro Mori
Akira Kumasaka
Isomura Tetsuro
Tetsuya Sakai
Kazuhiro Mori