Title:
高炉操業方法
Document Type and Number:
Japanese Patent JP7176561
Kind Code:
B2
Abstract:
Disclosed is a blast furnace apparatus includes: a rotating chute; a plurality of tuyeres; a profile measurement device configured to measure surface profiles of a burden charged into the blast furnace through the rotating chute; and a blowing amount controller configured to control a blowing amount of at least one of hot blast or pulverized coal in each of the plurality of tuyeres, in which the profile measurement device includes: a radio wave distance meter installed on the blast furnace top and configured to measure the distance to the surface of the burden charged; and an arithmetic unit configured to derive the surface profiles of the burden on a basis of distance data for the entire blast furnace related to distances to the surface of the burden obtained by scanning a detection wave of the radio wave distance meter in the blast furnace in a circumferential direction.
Inventors:
Yusuke Kashihara
Yuki Okamoto
Natsuo Ishiwata
Yuki Okamoto
Natsuo Ishiwata
Application Number:
JP2020510828A
Publication Date:
November 22, 2022
Filing Date:
March 25, 2019
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
C21B5/00; C21B7/20; C21B7/24
Domestic Patent References:
| JP6011328A | ||||
| JP1205007A | ||||
| JP2018035398A | ||||
| JP52058560A |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Keisuke Kawahara
Mitsutsugu Sugimura
Keisuke Kawahara