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Title:
METHOD FOR PRODUCING MOLTEN PIG IRON
Document Type and Number:
Japanese Patent JP2011084811
Kind Code:
A
Abstract:

To provide a practical process for producing a pig iron which can be used for manufacturing various types of steel of high quality, while using a variety of iron scrap as an iron source.

The method for producing molten pig iron includes the steps of: producing molten pig iron containing carbon by using the iron scrap as the iron source, in an electric furnace; then removing copper in the molten pig iron; mixing the molten pig iron from which copper has been removed, with molten pig iron produced in a blast furnace; and desulfurizing the mixed molten pig iron.


Inventors:
UCHIDA YUICHI
KISHIMOTO YASUO
MATSUI AKITOSHI
SUZUKI TAKESHI
Application Number:
JP2010204995A
Publication Date:
April 28, 2011
Filing Date:
September 14, 2010
Export Citation:
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Assignee:
JFE STEEL CORP
International Classes:
C21C1/04; C21B11/10; C21C1/02
Domestic Patent References:
JPH059600A1993-01-19
JPS61149414A1986-07-08
JP2000111270A2000-04-18
JP2010133002A2010-06-17
JP2011080143A2011-04-21
JPH09143586A1997-06-03
JPH04198431A1992-07-17
JPH059600A1993-01-19
JPS61149414A1986-07-08
JP2000111270A2000-04-18
JP2010133002A2010-06-17
JP2011080143A2011-04-21
JP2009102697A2009-05-14
Foreign References:
WO2009110627A12009-09-11
Attorney, Agent or Firm:
Kenichiro Ochiai
Kazuhiro Mori



 
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