Title:
電気炉用電極、電気炉及び電気炉の使用方法
Document Type and Number:
Japanese Patent JP6809248
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electrode for an electric furnace allowing charging of reduced iron from the hollow part of a hollow electrode when finish-reducing and melting preliminarily reduced iron in the electric furnace without causing clogging of the reduced iron in the hollow part, and the electric furnace using the electrode.SOLUTION: A graphite hollow electrode 3 for an electric furnace 1 is provided having a ceramic coating layer on the surface of a hollow part 10. A zircon layer, an AlN layer, or a mullite layer is preferable as the ceramic coating layer. The hollow part 10 can be used as a feeding passage of the reduced iron without causing attachment of the reduced iron on the surface of the hollow part 10.SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Hirata
Mountain saki strong
Mountain saki strong
Application Number:
JP2017009114A
Publication Date:
January 06, 2021
Filing Date:
January 23, 2017
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
F27B3/20; C21B11/10; F27B3/18; F27D11/08
Domestic Patent References:
| JP5129078A | ||||
| JP63125611A | ||||
| JP47044887B1 | ||||
| JP53119439A | ||||
| JP7263138A | ||||
| JP10074705A | ||||
| JP3215377A | ||||
| JP60060992A |
Attorney, Agent or Firm:
Intellectual Property Office