Title:
TUYERE FOR BLAST FURNACE
Document Type and Number:
Japanese Patent JP2021181607
Kind Code:
A
Abstract:
To provide a tuyere for a blast furnace excellent in abrasion resistance and erosion resistance.SOLUTION: In a tuyere body 1 for a blast furnace, a durable refractory layer is formed on an inner peripheral surface 5 and an outer peripheral surface 4 of a tip part 2 of the tuyere body 1 and a convex curved surface 6 connecting the inner peripheral surface 5 and the outer peripheral surface 4.SELECTED DRAWING: Figure 2
Inventors:
SATO HIROKI
Application Number:
JP2020088385A
Publication Date:
November 25, 2021
Filing Date:
May 20, 2020
Export Citation:
Assignee:
GOTO GOKIN KK
International Classes:
C21B7/16; F27B1/16
Domestic Patent References:
| JPS4923724B1 | 1974-06-18 | |||
| JPS50125405U | 1975-10-15 | |||
| JPH0497830U | 1992-08-25 | |||
| JPS5681667A | 1981-07-03 | |||
| JPH11217610A | 1999-08-10 |
Attorney, Agent or Firm:
Hiroshi Ohashi
Hiroshi Ohashi
Hiroshi Ohashi
Previous Patent: JPWO2021181606
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