Title:
BURNER FOR BLAST FURNACE TUYERE
Document Type and Number:
Japanese Patent JP2019131862
Kind Code:
A
Abstract:
To provide a burner for a tuyere of a blast furnace, especially an oxygen blast furnace, which is configured so that inside of the blast furnace can be easily monitored from the tuyere even when the burner is used by being directly attached to the tuyere, such as in the oxygen blast furnace.SOLUTION: The burner for the blast furnace tuyere separates at least the oxygen-containing gas and pulverized coal and individually blow them in the tuyere from an annular tube path of coaxial multiple tubes. A center tube of the coaxial multiple tubes is configured to have an observation window for monitoring a state of a flame in the tuyere and in-furnace conditions.SELECTED DRAWING: Figure 2
Inventors:
TAKAHASHI KOICHI
OZAWA SUMIHITO
NOUCHI TAIHEI
OZAWA SUMIHITO
NOUCHI TAIHEI
Application Number:
JP2018015082A
Publication Date:
August 08, 2019
Filing Date:
January 31, 2018
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C21B7/00; C21B5/00; F27D21/02
Attorney, Agent or Firm:
Ginza Marronnier Patent Office