CA1077277A - Process for refining high-carbon ferro-alloys - Google Patents
Process for refining high-carbon ferro-alloysInfo
- Publication number
- CA1077277A CA1077277A CA256,771A CA256771A CA1077277A CA 1077277 A CA1077277 A CA 1077277A CA 256771 A CA256771 A CA 256771A CA 1077277 A CA1077277 A CA 1077277A
- Authority
- CA
- Canada
- Prior art keywords
- melt
- alloy
- ferro
- oxygen
- carbon
- 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.)
- Expired
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 36
- 229910001021 Ferroalloy Inorganic materials 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 28
- 238000007670 refining Methods 0.000 title claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000001301 oxygen Substances 0.000 claims abstract description 41
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 41
- 239000000155 melt Substances 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 13
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 12
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 12
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 12
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 12
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004571 lime Substances 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- 239000011651 chromium Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000306 component Substances 0.000 claims 7
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 3
- 229910052748 manganese Inorganic materials 0.000 abstract description 7
- 239000011572 manganese Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000470 constituent Substances 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000002893 slag Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000720 Silicomanganese Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 206010013710 Drug interaction Diseases 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
- C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
-
- 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
- C21C7/068—Decarburising
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Continuous Casting (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2531034A DE2531034C2 (de) | 1975-07-11 | 1975-07-11 | Verfahren zum Entkohlen von hochgekohltem Ferromangan oder von hochgekohltem Ferrochrom |
| DE19752540290 DE2540290C3 (de) | 1975-09-10 | Verfahren zur Entkohlung von*'1"·11"6111 Ferrochrom oder hochgekohltem Ferromangan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1077277A true CA1077277A (en) | 1980-05-13 |
Family
ID=25769141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA256,771A Expired CA1077277A (en) | 1975-07-11 | 1976-07-12 | Process for refining high-carbon ferro-alloys |
Country Status (13)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2414559A1 (fr) * | 1978-01-17 | 1979-08-10 | Creusot Loire | Procede d'affinage des ferro-manganeses |
| JPS541044U (enrdf_load_stackoverflow) * | 1978-04-28 | 1979-01-06 | ||
| FR2444083A1 (fr) * | 1978-12-11 | 1980-07-11 | Sofrem | Procede de desiliciation d'alliages de manganese |
| FR2446866A1 (fr) * | 1979-01-22 | 1980-08-14 | Sofrem | Procede d'obtention d'alliages de manganese a moyenne teneur en carbone |
| US4662937A (en) * | 1984-05-28 | 1987-05-05 | Nippon Steel Corporation | Process for production of high-manganese iron alloy by smelting reduction |
| JPS61291947A (ja) * | 1985-06-18 | 1986-12-22 | Kawasaki Steel Corp | 中炭素または低炭素フェロマンガンの製造方法 |
| CN110819880B (zh) * | 2019-11-27 | 2021-06-22 | 宝钢德盛不锈钢有限公司 | 一种200系不锈钢生产用含铬低镍铁水预处理工艺及应用 |
| US20230167518A1 (en) | 2020-03-06 | 2023-06-01 | Jfe Steel Corporation | Method for producing low-carbon ferromanganese |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1040526A (fr) * | 1950-08-17 | 1953-10-15 | Bochumer Ver Fu R Gussstahlfab | Procédé de fabrication d'alliages de chrome et/ou de manganèse pauvres en carbone, du type des alliages affinés et suraffinés |
| BE792732A (fr) * | 1972-01-13 | 1973-03-30 | Elektrometallurgie Gmbh | Procede pour decarburer rapidement des alliages de fer au moyend'oxygene |
-
1976
- 1976-07-06 SU SU762378453A patent/SU648121A3/ru active
- 1976-07-07 GB GB28172/76A patent/GB1499049A/en not_active Expired
- 1976-07-07 NO NO762364A patent/NO762364L/no unknown
- 1976-07-07 JP JP51080017A patent/JPS529616A/ja active Granted
- 1976-07-08 BR BR7604467A patent/BR7604467A/pt unknown
- 1976-07-08 SE SE7607845A patent/SE7607845L/ not_active Application Discontinuation
- 1976-07-08 FI FI761996A patent/FI761996A7/fi not_active Application Discontinuation
- 1976-07-09 FR FR7621161A patent/FR2317369A1/fr active Granted
- 1976-07-09 PT PT65351A patent/PT65351B/pt unknown
- 1976-07-09 CS CS764564A patent/CS208709B2/cs unknown
- 1976-07-09 ES ES449716A patent/ES449716A1/es not_active Expired
- 1976-07-12 CA CA256,771A patent/CA1077277A/en not_active Expired
- 1976-07-12 AU AU15817/76A patent/AU503271B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES449716A1 (es) | 1977-08-01 |
| GB1499049A (en) | 1978-01-25 |
| PT65351B (de) | 1978-01-06 |
| AU503271B2 (en) | 1979-08-30 |
| SE7607845L (sv) | 1977-01-13 |
| NO762364L (enrdf_load_stackoverflow) | 1977-01-12 |
| AU1581776A (en) | 1978-01-19 |
| FI761996A7 (enrdf_load_stackoverflow) | 1977-01-12 |
| PT65351A (de) | 1976-08-01 |
| JPS529616A (en) | 1977-01-25 |
| FR2317369A1 (fr) | 1977-02-04 |
| BR7604467A (pt) | 1977-07-26 |
| FR2317369B1 (enrdf_load_stackoverflow) | 1980-09-05 |
| JPS5727166B2 (enrdf_load_stackoverflow) | 1982-06-09 |
| CS208709B2 (en) | 1981-09-15 |
| SU648121A3 (ru) | 1979-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |