JPS6465224A - Desiliconizing agent for molten iron - Google Patents

Desiliconizing agent for molten iron

Info

Publication number
JPS6465224A
JPS6465224A JP22086587A JP22086587A JPS6465224A JP S6465224 A JPS6465224 A JP S6465224A JP 22086587 A JP22086587 A JP 22086587A JP 22086587 A JP22086587 A JP 22086587A JP S6465224 A JPS6465224 A JP S6465224A
Authority
JP
Japan
Prior art keywords
molten iron
collected dust
iron
sintering process
trough
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP22086587A
Other languages
Japanese (ja)
Inventor
Koichi Tomioka
Haruo Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP22086587A priority Critical patent/JPS6465224A/en
Publication of JPS6465224A publication Critical patent/JPS6465224A/en
Pending legal-status Critical Current

Links

Landscapes

  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

PURPOSE:To efficiently remove Si containing in molten iron by mainly blowing collected dust generating on the way of sintering process of fine ore on surface of the molten iron. CONSTITUTION:The molten iron 2 and slag flowing out from an iron tapping hole in a blast furnace are separated by a skimmer and the molten iron 2 is sent to a molten iron receiving ladle through a molten iron trough 1. Then, a water cooled lance 6 is inserted above the molten iron 2 from an opening part 11 of a cover 10 on the molten iron trough 1 and the collected dust 12 generating on the way of the sintering process of the fine ore and fluor-spar 5 separately stored into tanks 7 are charged into a piping 8 and blown on the surface of the molten iron 2 through carrier gas 9. Then, the grain size of the collected dust 12 is desirable to be within the range of 0.01-0.25mm. By this method, the Si is efficiently removed without occurrence of any trouble in the molten iron receiving ladle and using any calcined lime.
JP22086587A 1987-09-03 1987-09-03 Desiliconizing agent for molten iron Pending JPS6465224A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22086587A JPS6465224A (en) 1987-09-03 1987-09-03 Desiliconizing agent for molten iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22086587A JPS6465224A (en) 1987-09-03 1987-09-03 Desiliconizing agent for molten iron

Publications (1)

Publication Number Publication Date
JPS6465224A true JPS6465224A (en) 1989-03-10

Family

ID=16757756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22086587A Pending JPS6465224A (en) 1987-09-03 1987-09-03 Desiliconizing agent for molten iron

Country Status (1)

Country Link
JP (1) JPS6465224A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010100203A (en) * 2000-03-16 2001-11-14 이구택 A desiliconizer for molton pig iron

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010100203A (en) * 2000-03-16 2001-11-14 이구택 A desiliconizer for molton pig iron

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