CA2100270C - Reduction of metal oxides - Google Patents
Reduction of metal oxidesInfo
- Publication number
- CA2100270C CA2100270C CA002100270A CA2100270A CA2100270C CA 2100270 C CA2100270 C CA 2100270C CA 002100270 A CA002100270 A CA 002100270A CA 2100270 A CA2100270 A CA 2100270A CA 2100270 C CA2100270 C CA 2100270C
- Authority
- CA
- Canada
- Prior art keywords
- gas
- slag layer
- slag
- bath
- layer
- 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 - Fee Related
Links
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 32
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 84
- 239000007789 gas Substances 0.000 claims abstract description 76
- 229910052751 metal Inorganic materials 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000010801 sewage sludge Substances 0.000 claims description 3
- 239000001273 butane Substances 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003345 natural gas Substances 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 67
- 229910052742 iron Inorganic materials 0.000 description 33
- 239000002912 waste gas Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000237970 Conus <genus> Species 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
- C21B13/085—Making spongy iron or liquid steel, by direct processes in rotary furnaces wherein iron or steel is obtained in a molten state
-
- 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)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4042176A DE4042176C2 (de) | 1990-12-29 | 1990-12-29 | Verfahren zur Reduktion von Metalloxiden im schmelzflüssigen Zustand |
| DEP4042176.7 | 1990-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2100270A1 CA2100270A1 (en) | 1992-06-30 |
| CA2100270C true CA2100270C (en) | 1998-05-05 |
Family
ID=6421653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002100270A Expired - Fee Related CA2100270C (en) | 1990-12-29 | 1991-12-23 | Reduction of metal oxides |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5472478A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0564493B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2726156B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR960001708B1 (cg-RX-API-DMAC7.html) |
| AT (1) | ATE114729T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU662722B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR9107192A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2100270C (cg-RX-API-DMAC7.html) |
| DE (2) | DE4042176C2 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2065157T3 (cg-RX-API-DMAC7.html) |
| FI (1) | FI97241C (cg-RX-API-DMAC7.html) |
| RU (1) | RU2094471C1 (cg-RX-API-DMAC7.html) |
| TW (1) | TW234148B (cg-RX-API-DMAC7.html) |
| WO (1) | WO1992012265A1 (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA9110175B (cg-RX-API-DMAC7.html) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2104902T5 (es) * | 1992-02-25 | 2005-03-01 | Aga Aktiebolag | Recuperacion de metales no ferrosos a partir de espuma. |
| DE4234974C2 (de) * | 1992-10-16 | 1994-12-22 | Tech Resources Pty Ltd | Verfahren zur Verstärkung der Stoffumsätze in metallurgischen Reaktionsgefäßen |
| US5395405A (en) * | 1993-04-12 | 1995-03-07 | Molten Metal Technology, Inc. | Method for producing hydrocarbon gas from waste |
| US5744117A (en) * | 1993-04-12 | 1998-04-28 | Molten Metal Technology, Inc. | Feed processing employing dispersed molten droplets |
| DE4343957C2 (de) * | 1993-12-22 | 1997-03-20 | Tech Resources Pty Ltd | Konverterverfahren zur Produktion von Eisen |
| AUPN226095A0 (en) | 1995-04-07 | 1995-05-04 | Technological Resources Pty Limited | A method of producing metals and metal alloys |
| US5679132A (en) * | 1995-06-07 | 1997-10-21 | Molten Metal Technology, Inc. | Method and system for injection of a vaporizable material into a molten bath |
| AUPO426096A0 (en) * | 1996-12-18 | 1997-01-23 | Technological Resources Pty Limited | Method and apparatus for producing metals and metal alloys |
| AUPO944697A0 (en) * | 1997-09-26 | 1997-10-16 | Technological Resources Pty Limited | A method of producing metals and metal alloys |
| AU768628B2 (en) * | 1998-07-01 | 2003-12-18 | Technological Resources Pty Limited | A direct smelting process |
| AUPP442598A0 (en) * | 1998-07-01 | 1998-07-23 | Technological Resources Pty Limited | Direct smelting vessel |
| AUPP442698A0 (en) * | 1998-07-01 | 1998-07-23 | Technological Resources Pty Limited | A direct smelting process |
| AUPP483898A0 (en) * | 1998-07-24 | 1998-08-13 | Technological Resources Pty Limited | A direct smelting process & apparatus |
| MY119760A (en) | 1998-07-24 | 2005-07-29 | Tech Resources Pty Ltd | A direct smelting process |
| AUPP554098A0 (en) * | 1998-08-28 | 1998-09-17 | Technological Resources Pty Limited | A process and an apparatus for producing metals and metal alloys |
| AUPP570098A0 (en) | 1998-09-04 | 1998-10-01 | Technological Resources Pty Limited | A direct smelting process |
| AUPP647198A0 (en) | 1998-10-14 | 1998-11-05 | Technological Resources Pty Limited | A process and an apparatus for producing metals and metal alloys |
| AUPP805599A0 (en) | 1999-01-08 | 1999-02-04 | Technological Resources Pty Limited | A direct smelting process |
| AUPQ083599A0 (en) | 1999-06-08 | 1999-07-01 | Technological Resources Pty Limited | Direct smelting vessel |
| AUPQ152299A0 (en) * | 1999-07-09 | 1999-08-05 | Technological Resources Pty Limited | Start-up procedure for direct smelting process |
| AUPQ205799A0 (en) | 1999-08-05 | 1999-08-26 | Technological Resources Pty Limited | A direct smelting process |
| AUPQ365799A0 (en) | 1999-10-26 | 1999-11-18 | Technological Resources Pty Limited | A direct smelting apparatus and process |
| CN116007368A (zh) * | 2022-12-28 | 2023-04-25 | 天津闪速炼铁技术有限公司 | 一种氢铁联产炉及联产方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3542352A (en) * | 1965-01-04 | 1970-11-24 | Noranda Mines Ltd | Apparatus for the continuous smelting and converting of copper concentrates to metallic copper |
| LU83826A1 (de) * | 1981-12-09 | 1983-09-01 | Arbed | Verfahren und einrichtung zum direkten herstellen von fluessigem eisen |
| DE3240656C2 (de) * | 1982-10-07 | 1986-06-19 | Thyssen Edelstahlwerke AG, 4000 Düsseldorf | Verfahren zur Schmelzreduktion von Metallerz |
| US4662937A (en) * | 1984-05-28 | 1987-05-05 | Nippon Steel Corporation | Process for production of high-manganese iron alloy by smelting reduction |
| DE3442245A1 (de) * | 1984-11-19 | 1986-05-28 | Japan Metals & Chemicals Co., Ltd., Tokio/Tokyo | Verfahren zur herstellung einer legierung mit hohem chromgehalt durch schmelzreduktion |
| DE3607775A1 (de) * | 1986-03-08 | 1987-09-17 | Kloeckner Cra Tech | Verfahren zur schmelzreduktion von eisenerz |
| JPS6365007A (ja) * | 1986-09-08 | 1988-03-23 | Nippon Kokan Kk <Nkk> | 高酸化燃焼型溶融還元方法 |
| JPH0826378B2 (ja) * | 1986-10-30 | 1996-03-13 | 住友金属工業株式会社 | クロム含有溶鉄の製造方法 |
| JPS648209A (en) * | 1987-06-29 | 1989-01-12 | Nippon Kokan Kk | Apparatus and method for smelting reduction |
| JPH01165743A (ja) * | 1987-09-10 | 1989-06-29 | Nkk Corp | 鉱石の溶融還元における原料装入方法 |
| US4936908A (en) * | 1987-09-25 | 1990-06-26 | Nkk Corporation | Method for smelting and reducing iron ores |
| JPH01129916A (ja) * | 1987-11-13 | 1989-05-23 | Kawasaki Heavy Ind Ltd | 溶融還元炉における鉱石の装入方法 |
| DE68915298T2 (de) * | 1988-02-12 | 1994-09-08 | Kloeckner Cra Patent | Verfahren und Vorrichtung zur Nachverbrennung. |
| JPH01252709A (ja) * | 1988-03-31 | 1989-10-09 | Nippon Steel Corp | 鉄浴式溶融還元炉の操業方法 |
| JPH07100809B2 (ja) * | 1988-10-15 | 1995-11-01 | 川崎重工業株式会社 | 溶融還元炉 |
-
1990
- 1990-12-29 DE DE4042176A patent/DE4042176C2/de not_active Expired - Fee Related
-
1991
- 1991-12-23 ES ES92901044T patent/ES2065157T3/es not_active Expired - Lifetime
- 1991-12-23 DE DE69105525T patent/DE69105525T2/de not_active Expired - Fee Related
- 1991-12-23 US US08/078,319 patent/US5472478A/en not_active Expired - Fee Related
- 1991-12-23 WO PCT/EP1991/002501 patent/WO1992012265A1/en not_active Ceased
- 1991-12-23 BR BR9107192A patent/BR9107192A/pt not_active IP Right Cessation
- 1991-12-23 RU RU9193043870A patent/RU2094471C1/ru not_active IP Right Cessation
- 1991-12-23 KR KR1019930701980A patent/KR960001708B1/ko not_active Expired - Fee Related
- 1991-12-23 JP JP4501174A patent/JP2726156B2/ja not_active Expired - Lifetime
- 1991-12-23 AU AU90957/91A patent/AU662722B2/en not_active Ceased
- 1991-12-23 EP EP92901044A patent/EP0564493B1/en not_active Expired - Lifetime
- 1991-12-23 AT AT92901044T patent/ATE114729T1/de not_active IP Right Cessation
- 1991-12-23 CA CA002100270A patent/CA2100270C/en not_active Expired - Fee Related
- 1991-12-27 ZA ZA9110175A patent/ZA9110175B/xx unknown
-
1992
- 1992-01-14 TW TW081100214A patent/TW234148B/zh active
-
1993
- 1993-06-28 FI FI932983A patent/FI97241C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE4042176A1 (de) | 1992-09-03 |
| DE4042176C2 (de) | 1993-12-09 |
| CA2100270A1 (en) | 1992-06-30 |
| TW234148B (cg-RX-API-DMAC7.html) | 1994-11-11 |
| ES2065157T3 (es) | 1995-02-01 |
| FI932983A0 (fi) | 1993-06-28 |
| AU662722B2 (en) | 1995-09-14 |
| ZA9110175B (en) | 1992-10-28 |
| FI97241B (fi) | 1996-07-31 |
| US5472478A (en) | 1995-12-05 |
| EP0564493B1 (en) | 1994-11-30 |
| RU2094471C1 (ru) | 1997-10-27 |
| DE69105525D1 (de) | 1995-01-12 |
| WO1992012265A1 (en) | 1992-07-23 |
| JP2726156B2 (ja) | 1998-03-11 |
| AU9095791A (en) | 1992-08-17 |
| FI932983L (fi) | 1993-08-12 |
| JPH06504323A (ja) | 1994-05-19 |
| DE69105525T2 (de) | 1995-04-13 |
| BR9107192A (pt) | 1994-07-05 |
| KR960001708B1 (ko) | 1996-02-03 |
| EP0564493A1 (en) | 1993-10-13 |
| FI97241C (fi) | 1996-11-11 |
| ATE114729T1 (de) | 1994-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |