NO309659B1 - Fremgangsmåte ved reduksjon av ilmenitt for å oppnå et titanrikt slagg og råjern - Google Patents
Fremgangsmåte ved reduksjon av ilmenitt for å oppnå et titanrikt slagg og råjern Download PDFInfo
- Publication number
- NO309659B1 NO309659B1 NO932786A NO932786A NO309659B1 NO 309659 B1 NO309659 B1 NO 309659B1 NO 932786 A NO932786 A NO 932786A NO 932786 A NO932786 A NO 932786A NO 309659 B1 NO309659 B1 NO 309659B1
- Authority
- NO
- Norway
- Prior art keywords
- furnace
- ilmenite
- titanium
- electrode
- pig iron
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 title claims description 21
- 239000002893 slag Substances 0.000 title claims description 15
- 230000008569 process Effects 0.000 title claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 12
- 239000010936 titanium Substances 0.000 title claims description 12
- 229910052719 titanium Inorganic materials 0.000 title claims description 12
- 229910000805 Pig iron Inorganic materials 0.000 title claims description 7
- 239000002994 raw material Substances 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 claims 1
- 235000013980 iron oxide Nutrition 0.000 claims 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000004408 titanium dioxide Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1218—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by dry processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
-
- 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
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA926007 | 1992-08-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO932786D0 NO932786D0 (no) | 1993-08-04 |
| NO932786L NO932786L (no) | 1994-02-14 |
| NO309659B1 true NO309659B1 (no) | 2001-03-05 |
Family
ID=25581971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO932786A NO309659B1 (no) | 1992-08-11 | 1993-08-04 | Fremgangsmåte ved reduksjon av ilmenitt for å oppnå et titanrikt slagg og råjern |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0583126A1 (fi) |
| JP (1) | JPH06212228A (fi) |
| AU (1) | AU657427B2 (fi) |
| BR (1) | BR9303229A (fi) |
| CA (1) | CA2101303C (fi) |
| FI (1) | FI107046B (fi) |
| MY (1) | MY122016A (fi) |
| NO (1) | NO309659B1 (fi) |
| NZ (1) | NZ248211A (fi) |
| ZA (1) | ZA935072B (fi) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2294255A (en) * | 1994-10-17 | 1996-04-24 | Magmint Ltd | Vanadium recovery process |
| US6306195B1 (en) * | 2000-03-24 | 2001-10-23 | Council Of Scientific And Industiral Research | Process for the preparation of high grade synthetic rutile and pig iron |
| WO2002070760A1 (en) * | 2001-03-05 | 2002-09-12 | Anglo Operations Limited | A furnace and a method of controlling a furnace |
| JP4153281B2 (ja) | 2002-10-08 | 2008-09-24 | 株式会社神戸製鋼所 | 酸化チタン含有スラグの製造方法 |
| JP4295544B2 (ja) * | 2003-04-09 | 2009-07-15 | 株式会社神戸製鋼所 | 冶金用改質炭の製造方法、ならびに冶金用改質炭を用いた還元金属および酸化非鉄金属含有スラグの製造方法 |
| RU2008152503A (ru) * | 2008-12-23 | 2010-07-10 | Лев Николаевич Максимов (RU) | Способ плазмохимической переработки веществ и устройство для его осуществления |
| RU2009110298A (ru) * | 2009-03-24 | 2010-09-27 | Ооо "Твинн" (Ru) | Плазменная печь |
| KR101586741B1 (ko) | 2013-12-23 | 2016-01-19 | 주식회사 포스코 | 금속 산화물 회수방법 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2680681A (en) * | 1953-03-05 | 1954-06-08 | Nat Lead Co | Preparation of titanium slag composition |
| US2808324A (en) * | 1956-02-06 | 1957-10-01 | Quebec Iron & Titanium Corp | Method of smelting ilmenite |
| US2853375A (en) * | 1956-03-21 | 1958-09-23 | Quebec Iron & Titanium Corp | Smelting of titaniferous ores |
| GB926334A (en) * | 1958-08-01 | 1963-05-15 | Electro Chimie Metal | Process and apparatus for the production of metals or ferroalloys |
| FR2190922A1 (en) * | 1972-07-05 | 1974-02-01 | Creusot Loire | Electric smelting furnace for iron ores sinter etc - reduces power consump-tion eg to 1000 to 1500 KWH/tonne |
| DE2415967A1 (de) * | 1974-04-02 | 1975-10-09 | Demag Ag | Verfahren zum erschmelzen von stahl |
| US4146390A (en) * | 1975-06-19 | 1979-03-27 | Asea Aktiebolag | Furnace and method for the melt reduction of iron oxide |
| CA1105972A (en) * | 1979-02-16 | 1981-07-28 | James H. Corrigan | Electric arc furnace operation |
| AT372977B (de) * | 1982-01-19 | 1983-12-12 | Voest Alpine Ag | Verfahren und einrichtung zur reduktion von oxidhaeltigen feinteiligen erzen |
-
1993
- 1993-07-14 ZA ZA935072A patent/ZA935072B/xx unknown
- 1993-07-21 NZ NZ248211A patent/NZ248211A/en not_active IP Right Cessation
- 1993-07-22 MY MYPI93001442A patent/MY122016A/en unknown
- 1993-07-26 CA CA002101303A patent/CA2101303C/en not_active Expired - Lifetime
- 1993-07-30 AU AU44319/93A patent/AU657427B2/en not_active Expired
- 1993-07-30 BR BR9303229A patent/BR9303229A/pt not_active IP Right Cessation
- 1993-08-02 EP EP93306103A patent/EP0583126A1/en not_active Ceased
- 1993-08-04 NO NO932786A patent/NO309659B1/no active IP Right Review Request
- 1993-08-10 JP JP5198041A patent/JPH06212228A/ja not_active Withdrawn
- 1993-08-11 FI FI933548A patent/FI107046B/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06212228A (ja) | 1994-08-02 |
| FI107046B (fi) | 2001-05-31 |
| CA2101303A1 (en) | 1994-02-12 |
| NO932786D0 (no) | 1993-08-04 |
| AU657427B2 (en) | 1995-03-09 |
| CA2101303C (en) | 2003-02-18 |
| ZA935072B (en) | 1994-02-07 |
| MY122016A (en) | 2006-03-31 |
| FI933548A (fi) | 1994-02-12 |
| FI933548A0 (fi) | 1993-08-11 |
| BR9303229A (pt) | 1994-03-08 |
| EP0583126A1 (en) | 1994-02-16 |
| AU4431993A (en) | 1994-02-17 |
| NO932786L (no) | 1994-02-14 |
| NZ248211A (en) | 1994-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CB | Opposition filed (par. 26,5 patents act) |
Opponent name: TINFOS TITAN & IRON KS, 5770 TYSSEDAL, NO Effective date: 20011205 |