EP3327150A4 - Desulfurizing agent, method for desulfurizing molten iron and method for producing molten iron - Google Patents
Desulfurizing agent, method for desulfurizing molten iron and method for producing molten iron Download PDFInfo
- Publication number
- EP3327150A4 EP3327150A4 EP16830368.3A EP16830368A EP3327150A4 EP 3327150 A4 EP3327150 A4 EP 3327150A4 EP 16830368 A EP16830368 A EP 16830368A EP 3327150 A4 EP3327150 A4 EP 3327150A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- molten iron
- desulfurizing
- producing
- desulfurizing agent
- agent
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 4
- 230000003009 desulfurizing Effects 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 2
- 239000003795 chemical substances by application Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
- C21C1/025—Agents used for dephosphorising or desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
- F27D2003/185—Conveying particles in a conduct using a fluid
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015146930 | 2015-07-24 | ||
PCT/JP2016/071071 WO2017018263A1 (en) | 2015-07-24 | 2016-07-15 | Desulfurizing agent, method for desulfurizing molten iron and method for producing molten iron |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3327150A4 true EP3327150A4 (en) | 2018-05-30 |
EP3327150A1 EP3327150A1 (en) | 2018-05-30 |
EP3327150B1 EP3327150B1 (en) | 2019-12-25 |
Family
ID=57885668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16830368.3A Active EP3327150B1 (en) | 2015-07-24 | 2016-07-15 | Desulfurizing agent, method for desulfurizing molten iron and method for producing molten iron |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3327150B1 (en) |
JP (1) | JP6156598B2 (en) |
KR (1) | KR102142198B1 (en) |
CN (1) | CN107849623B (en) |
TW (1) | TWI616402B (en) |
WO (1) | WO2017018263A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112019013592B1 (en) * | 2017-01-19 | 2022-08-16 | Jfe Steel Corporation | PROCESSING METHOD BY DESULFURIZATION OF CAST STEEL AND DESULFURIZING AGENT |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157209A (en) * | 1983-02-25 | 1984-09-06 | Sumitomo Metal Ind Ltd | Pretreatment of molten iron |
JPS6256509A (en) * | 1985-09-04 | 1987-03-12 | Kawasaki Steel Corp | Method for desulfurizing molten iron by using quicklime |
JPH11221432A (en) * | 1998-02-04 | 1999-08-17 | Nittetsu Mining Co Ltd | Limestone type desulfurization agent and production of desulfurization agent |
JP2007247045A (en) * | 2006-03-20 | 2007-09-27 | Jfe Steel Kk | Method for desulfurizing molten iron |
JP2010163697A (en) * | 2010-05-07 | 2010-07-29 | Jfe Steel Corp | Method for desulfurizing molten pig iron |
JP5101988B2 (en) * | 2007-10-26 | 2012-12-19 | 新日鐵住金株式会社 | Molten metal desulfurization agent |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS511988B1 (en) | 1968-04-20 | 1976-01-22 | ||
JPS5045031Y2 (en) | 1971-10-29 | 1975-12-20 | ||
JPH0645485B2 (en) * | 1986-05-29 | 1994-06-15 | 川崎製鉄株式会社 | Method for producing quicklime for refining agent having excellent reactivity |
JPH08268717A (en) | 1995-03-30 | 1996-10-15 | Ishikawajima Harima Heavy Ind Co Ltd | Pre-processing method of lime stone used for desulfurization |
CN1368537A (en) * | 2001-02-09 | 2002-09-11 | 王铁钢 | Efficient desulfurizing agent for gas |
CN1249208C (en) * | 2002-10-11 | 2006-04-05 | 天津钢管还原铁厂 | Sponge iron efficient desulfurizing agent |
JP5130663B2 (en) * | 2006-06-09 | 2013-01-30 | Jfeスチール株式会社 | Method for refining molten iron |
JP5195737B2 (en) | 2009-12-24 | 2013-05-15 | Jfeスチール株式会社 | Hot metal desulfurization method |
-
2016
- 2016-07-15 CN CN201680042971.XA patent/CN107849623B/en active Active
- 2016-07-15 JP JP2016570900A patent/JP6156598B2/en active Active
- 2016-07-15 EP EP16830368.3A patent/EP3327150B1/en active Active
- 2016-07-15 WO PCT/JP2016/071071 patent/WO2017018263A1/en active Application Filing
- 2016-07-15 KR KR1020187001100A patent/KR102142198B1/en active IP Right Grant
- 2016-07-22 TW TW105123249A patent/TWI616402B/en active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157209A (en) * | 1983-02-25 | 1984-09-06 | Sumitomo Metal Ind Ltd | Pretreatment of molten iron |
JPS6256509A (en) * | 1985-09-04 | 1987-03-12 | Kawasaki Steel Corp | Method for desulfurizing molten iron by using quicklime |
JPH11221432A (en) * | 1998-02-04 | 1999-08-17 | Nittetsu Mining Co Ltd | Limestone type desulfurization agent and production of desulfurization agent |
JP2007247045A (en) * | 2006-03-20 | 2007-09-27 | Jfe Steel Kk | Method for desulfurizing molten iron |
JP5101988B2 (en) * | 2007-10-26 | 2012-12-19 | 新日鐵住金株式会社 | Molten metal desulfurization agent |
JP2010163697A (en) * | 2010-05-07 | 2010-07-29 | Jfe Steel Corp | Method for desulfurizing molten pig iron |
Non-Patent Citations (1)
Title |
---|
See also references of WO2017018263A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20180016593A (en) | 2018-02-14 |
TW201714828A (en) | 2017-05-01 |
JP6156598B2 (en) | 2017-07-05 |
JPWO2017018263A1 (en) | 2017-07-27 |
CN107849623B (en) | 2019-06-18 |
KR102142198B1 (en) | 2020-08-06 |
TWI616402B (en) | 2018-03-01 |
BR112018001331A2 (en) | 2018-09-11 |
EP3327150A1 (en) | 2018-05-30 |
WO2017018263A1 (en) | 2017-02-02 |
CN107849623A (en) | 2018-03-27 |
EP3327150B1 (en) | 2019-12-25 |
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