Invention Grant
- Patent Title: Oxygen blast furnace for direct steel making
- Patent Title (中): 氧气高炉直接炼钢
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Application No.: US810555Application Date: 1985-12-19
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Publication No.: US4670049APublication Date: 1987-06-02
- Inventor: John J. Kelmar
- Applicant: John J. Kelmar
- Assignee: Kelmar John J
- Current Assignee: Kelmar John J
- Main IPC: C21B5/00
- IPC: C21B5/00 ; C21B5/02
Abstract:
A method and apparatus for direct steel making in a blast furnace wherein a continuous flow of process ingredients including iron ore is directed in a descending tortuous path through reduction and combustion zones which are maintained in the shaft of a blast furnace.
Public/Granted literature
- US5171500A Pipe manufacturing line Public/Granted day:1992-12-15
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