Title:
高炉羽口の耐火物構造
Document Type and Number:
Japanese Patent JP7052469
Kind Code:
B2
Abstract:
To provide a refractory structure in the vicinity of a tuyere to prevent an in-furnace gas from mixing to the molten iron or the like in the vicinity of a tapping port.SOLUTION: A refractory structure of a blast furnace tuyere is characterized in that a shrinkable layer capable of mitigating thermal expansion of blast furnace lining refractories is laid at a tuyere brick on the entire periphery in a plan view of the blast furnace.SELECTED DRAWING: Figure 2
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| JPS58189312 | BLASTING BRANCH PIPE FOR BLAST FURNACE |
Inventors:
Hiroki Takeshita
Hara Kunito
Hara Kunito
Application Number:
JP2018057579A
Publication Date:
April 12, 2022
Filing Date:
March 26, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C21B7/16; F27B1/16
Domestic Patent References:
| JP2007291415A | ||||
| JP2002220609A | ||||
| JP201212694A |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Ritsuo Fukuchi
Saito Manabu
Shinji Mihashi
Ritsuo Fukuchi
Saito Manabu
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