CA2292591A1 - Method and article for introducing denitrogenizing flux into molten metal - Google Patents
Method and article for introducing denitrogenizing flux into molten metal Download PDFInfo
- Publication number
- CA2292591A1 CA2292591A1 CA002292591A CA2292591A CA2292591A1 CA 2292591 A1 CA2292591 A1 CA 2292591A1 CA 002292591 A CA002292591 A CA 002292591A CA 2292591 A CA2292591 A CA 2292591A CA 2292591 A1 CA2292591 A1 CA 2292591A1
- Authority
- CA
- Canada
- Prior art keywords
- molten metal
- flux
- denitrogenizing
- introducing
- silicates
- 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.)
- Abandoned
Links
- 230000004907 flux Effects 0.000 title claims abstract description 78
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 68
- 239000002184 metal Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 12
- 239000011575 calcium Substances 0.000 claims description 12
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 12
- 150000004760 silicates Chemical class 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 6
- 229910052788 barium Inorganic materials 0.000 claims description 6
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 230000003466 anti-cipated effect Effects 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 150000002222 fluorine compounds Chemical class 0.000 claims 4
- 239000000463 material Substances 0.000 abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 40
- 229910000831 Steel Inorganic materials 0.000 description 36
- 239000010959 steel Substances 0.000 description 36
- 229910052757 nitrogen Inorganic materials 0.000 description 20
- 239000002893 slag Substances 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ULSFLOAZQDMJLA-UHFFFAOYSA-N [Ca].[B]=O Chemical group [Ca].[B]=O ULSFLOAZQDMJLA-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000004673 fluoride salts Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 steel Chemical class 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 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
- 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
-
- 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
- C21C7/076—Use of slags or fluxes as treating agents
-
- 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
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- 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
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
-
- 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
- F27D3/0025—Charging or loading melting furnaces with material in the solid state
- F27D3/0026—Introducing additives into the melt
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Charging Or Discharging (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86617397A | 1997-05-30 | 1997-05-30 | |
US08/866,173 | 1997-05-30 | ||
US97977197A | 1997-11-26 | 1997-11-26 | |
US08/979,771 | 1997-11-26 | ||
PCT/US1998/011528 WO1998054369A1 (en) | 1997-05-30 | 1998-05-29 | Method and article for introducing denitrogenizing flux into molten metal |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2292591A1 true CA2292591A1 (en) | 1998-12-03 |
Family
ID=27127935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002292591A Abandoned CA2292591A1 (en) | 1997-05-30 | 1998-05-29 | Method and article for introducing denitrogenizing flux into molten metal |
Country Status (11)
Country | Link |
---|---|
JP (1) | JP2002501578A (ko) |
KR (1) | KR20010013178A (ko) |
CN (1) | CN1084793C (ko) |
AU (1) | AU743299B2 (ko) |
BR (1) | BR9809184A (ko) |
CA (1) | CA2292591A1 (ko) |
DE (1) | DE19882438T1 (ko) |
ES (1) | ES2168934B1 (ko) |
FI (1) | FI19992549A (ko) |
GB (1) | GB2340132A (ko) |
WO (1) | WO1998054369A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2422618A (en) * | 2005-01-28 | 2006-08-02 | Injection Alloys Ltd | Molten metal refining wire |
WO2009028924A1 (es) * | 2007-08-29 | 2009-03-05 | Jack Victor Nyrup Aguilar | Compuesto ionizante estabilizador del arco eléctrico |
KR101017482B1 (ko) * | 2008-09-29 | 2011-02-25 | 현대제철 주식회사 | 박슬라브 주조용 보론 첨가 용강의 정련방법 |
CN102277467A (zh) * | 2010-06-09 | 2011-12-14 | 鞍钢股份有限公司 | 一种转炉出钢过程钢水脱氮的方法 |
CN115418441B (zh) * | 2022-08-24 | 2024-02-06 | 武汉尚圆融信新型材料有限公司 | 转炉出钢过程的高效脱氮剂及其脱氮方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US34418A (en) * | 1862-02-18 | Improvement in vegetable and root cutters | ||
US734418A (en) * | 1903-03-30 | 1903-07-21 | John Mcardle | Plow. |
FI56857C (fi) * | 1977-06-21 | 1980-04-10 | Outokumpu Oy | Saett och anordning foer raffinering av smaeltor med ett pulverformigt fast material och/eller gas |
USRE34418E (en) * | 1982-11-23 | 1993-10-26 | Injectall Limited | Apparatus and method for introducing substances into liquid metal |
US4999053A (en) * | 1985-04-26 | 1991-03-12 | Mitsui Engineering And Ship Building Co., Ltd. | Method of producing an iron-, cobalt- and nickel-base alloy having low contents of sulphur, oxygen and nitrogen |
US4831742A (en) * | 1986-10-15 | 1989-05-23 | Struble James E | Contour and outline transducer gage assembly |
US4832742A (en) * | 1988-05-12 | 1989-05-23 | Metal Research Corporation | Flexible refining-agent clad wire for refining molten iron group metal |
-
1998
- 1998-05-29 CN CN98805650A patent/CN1084793C/zh not_active Expired - Fee Related
- 1998-05-29 KR KR19997011163A patent/KR20010013178A/ko not_active Application Discontinuation
- 1998-05-29 BR BR9809184-0A patent/BR9809184A/pt not_active Application Discontinuation
- 1998-05-29 AU AU77239/98A patent/AU743299B2/en not_active Ceased
- 1998-05-29 DE DE19882438T patent/DE19882438T1/de not_active Withdrawn
- 1998-05-29 JP JP50105999A patent/JP2002501578A/ja active Pending
- 1998-05-29 CA CA002292591A patent/CA2292591A1/en not_active Abandoned
- 1998-05-29 WO PCT/US1998/011528 patent/WO1998054369A1/en not_active Application Discontinuation
- 1998-12-03 ES ES009950067A patent/ES2168934B1/es not_active Expired - Lifetime
-
1999
- 1999-11-26 GB GB9927865A patent/GB2340132A/en not_active Withdrawn
- 1999-11-29 FI FI992549A patent/FI19992549A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
KR20010013178A (ko) | 2001-02-26 |
CN1258321A (zh) | 2000-06-28 |
GB2340132A (en) | 2000-02-16 |
DE19882438T1 (de) | 2000-06-21 |
WO1998054369A1 (en) | 1998-12-03 |
AU7723998A (en) | 1998-12-30 |
AU743299B2 (en) | 2002-01-24 |
JP2002501578A (ja) | 2002-01-15 |
GB9927865D0 (en) | 2000-01-26 |
ES2168934B1 (es) | 2003-11-01 |
ES2168934A1 (es) | 2002-06-16 |
BR9809184A (pt) | 2000-08-01 |
FI19992549A (fi) | 1999-11-29 |
CN1084793C (zh) | 2002-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2476604C2 (ru) | Способ получения расплава стали с содержанием марганца до 30% | |
US4518422A (en) | Process and apparatus for refining steel in a metallurgical vessel | |
US20010010181A1 (en) | Method and system for producing steel having low nitrogen content | |
KR950013823B1 (ko) | 개선된 제강방법과 이것에 이용되는 합성융제 조성물 | |
JP2006206957A (ja) | マンガン系合金鉄製造時に発生するスラグからのマンガン回収方法 | |
US20130167688A1 (en) | Method of making low carbon steel using ferrous oxide and mineral carbonates | |
JPS61250107A (ja) | スポンジ鉄から鋼を製造する方法およびその装置 | |
AU743299B2 (en) | Method and article for introducing denitrogenizing flux into molten metal | |
US4795491A (en) | Premelted synthetic slag for ladle desulfurizing molten steel | |
JPH10130714A (ja) | 伸線性及び清浄度に優れた線材用鋼の製造方法 | |
EP0073274B1 (en) | Method of preliminary desiliconization of molten iron by injecting gaseous oxygen | |
AU3704602A (en) | Method and article for introducing denitrogenizing flux into molten metal | |
MXPA99011035A (en) | Method and article for introducing denitrogenizing flux into molten metal | |
JP3365129B2 (ja) | 低硫鋼の製造方法 | |
JP2000345224A (ja) | 溶銑の脱硫方法 | |
US4726033A (en) | Process to improve electric arc furnace steelmaking by bottom gas injection | |
JPH07207316A (ja) | 脱硫効率が高い溶銑脱硫用ワイヤ | |
KR100336855B1 (ko) | 고청정알루미늄탈산강제조용후럭스와이어 | |
JP3680385B2 (ja) | 溶銑の脱マンガン方法 | |
JP5387045B2 (ja) | 軸受鋼の製造方法 | |
JP4561135B2 (ja) | 耐火物被覆浸漬ランスおよびそれを備える溶銑処理装置 | |
CN1665942B (zh) | 对金属浴的冶金处理方法 | |
JP4197396B2 (ja) | 吹錬工程の管理方法 | |
SU1027227A1 (ru) | Способ производства стали | |
SU821501A1 (ru) | Способ производства стали |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |