AU2008235542B2 - Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device - Google Patents
Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device Download PDFInfo
- Publication number
- AU2008235542B2 AU2008235542B2 AU2008235542A AU2008235542A AU2008235542B2 AU 2008235542 B2 AU2008235542 B2 AU 2008235542B2 AU 2008235542 A AU2008235542 A AU 2008235542A AU 2008235542 A AU2008235542 A AU 2008235542A AU 2008235542 B2 AU2008235542 B2 AU 2008235542B2
- Authority
- AU
- Australia
- Prior art keywords
- gas
- starting material
- ore
- pyrolysis
- combusted
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 98
- 230000008569 process Effects 0.000 title claims abstract description 84
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 111
- 239000007858 starting material Substances 0.000 claims abstract description 65
- 229910052742 iron Inorganic materials 0.000 claims abstract description 53
- 238000000197 pyrolysis Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 130
- 230000009467 reduction Effects 0.000 claims description 66
- 238000002844 melting Methods 0.000 claims description 40
- 230000008018 melting Effects 0.000 claims description 40
- 239000003245 coal Substances 0.000 claims description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 35
- 239000001301 oxygen Substances 0.000 claims description 35
- 229910052760 oxygen Inorganic materials 0.000 claims description 35
- 239000002893 slag Substances 0.000 claims description 19
- 239000003039 volatile agent Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000006722 reduction reaction Methods 0.000 description 54
- 239000000047 product Substances 0.000 description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003575 carbonaceous material Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910005084 FexOy Inorganic materials 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
- C10B7/10—Coke ovens with mechanical conveying means for the raw material inside the oven with conveyor-screws
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
-
- 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
- C21C5/56—Manufacture of steel by other methods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/66—Heat exchange
-
- 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
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07007058 | 2007-04-04 | ||
| EP07007058.6 | 2007-04-04 | ||
| PCT/EP2008/053733 WO2008122527A2 (en) | 2007-04-04 | 2008-03-28 | Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2008235542A1 AU2008235542A1 (en) | 2008-10-16 |
| AU2008235542B2 true AU2008235542B2 (en) | 2013-03-21 |
Family
ID=38283226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2008235542A Active AU2008235542B2 (en) | 2007-04-04 | 2008-03-28 | Method and device for preparing a reducing agent for use in a metal making process, metal making process and metal making apparatus using said device |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN101688258B (zh) |
| AU (1) | AU2008235542B2 (zh) |
| BR (1) | BRPI0810043B1 (zh) |
| RU (1) | RU2477755C2 (zh) |
| WO (1) | WO2008122527A2 (zh) |
| ZA (1) | ZA200906882B (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20141486A1 (no) * | 2014-12-09 | 2016-06-10 | Elkem As | Energieffektiv integrert fremgangsmåte for fremstilling av metaller eller legeringer |
| CN106636516A (zh) * | 2016-12-01 | 2017-05-10 | 神雾环保技术股份有限公司 | 中低阶煤分质梯级利用的系统和方法 |
| CN106834577A (zh) * | 2016-12-01 | 2017-06-13 | 神雾环保技术股份有限公司 | 中低阶煤分质梯级利用的系统和方法 |
| CN106755685A (zh) * | 2016-12-01 | 2017-05-31 | 神雾环保技术股份有限公司 | 中低阶煤分质梯级利用的系统和方法 |
| DE112021001757T5 (de) * | 2020-03-20 | 2023-01-05 | Technological Resources Pty. Limited | Unter Verwendung von Biomasse direkt reduziertes Eisen |
| CN111487291B (zh) * | 2020-04-24 | 2022-11-29 | 江苏省农业科学院 | 基于电子鼻检测技术高效评价桃花芽需冷量的方法 |
| US20220098685A1 (en) * | 2020-09-25 | 2022-03-31 | Carbon Technology Holdings, LLC | Bio-reduction of metal ores integrated with biomass pyrolysis |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5151159A (en) * | 1990-11-15 | 1992-09-29 | Coal Technology Corporation | Method and apparatus for converting coal into liquid fuel and metallurgical coke |
| EP0726326A2 (en) * | 1995-02-13 | 1996-08-14 | Hoogovens Staal B.V. | Method for producing molten pig iron |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA774655B (en) * | 1977-02-02 | 1978-06-28 | New Zealand Steel Ltd | Improvements in or relating to the reduction of iron bearing ores |
| CA1244656A (en) * | 1984-12-03 | 1988-11-15 | Wei-Kao Lu | Processes and appparatus for the smelting reduction of smeltable materials |
| US6193781B1 (en) * | 1997-12-09 | 2001-02-27 | The Boc Group, Inc. | Method of smelting iron ore |
| CA2315031A1 (en) * | 1997-12-26 | 1999-07-08 | Nkk Corporation | Refining method of molten iron and smelting reduction method for producing molten iron |
| EP1380656A1 (en) * | 2002-07-10 | 2004-01-14 | Corus Technology BV | Direct melting furnace and process therefor |
| RU2325445C2 (ru) * | 2002-07-10 | 2008-05-27 | Корус Текнолоджи Бв | Металлургический сосуд и способ прямого восстановления железа |
| US7753678B2 (en) * | 2005-06-10 | 2010-07-13 | Nucor Corporation | Method and apparatus for producing charcoal |
-
2008
- 2008-03-28 CN CN200880015245.4A patent/CN101688258B/zh not_active Expired - Fee Related
- 2008-03-28 WO PCT/EP2008/053733 patent/WO2008122527A2/en active Application Filing
- 2008-03-28 AU AU2008235542A patent/AU2008235542B2/en active Active
- 2008-03-28 RU RU2009140757/02A patent/RU2477755C2/ru active
- 2008-03-28 BR BRPI0810043A patent/BRPI0810043B1/pt active IP Right Grant
-
2009
- 2009-10-02 ZA ZA2009/06882A patent/ZA200906882B/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5151159A (en) * | 1990-11-15 | 1992-09-29 | Coal Technology Corporation | Method and apparatus for converting coal into liquid fuel and metallurgical coke |
| EP0726326A2 (en) * | 1995-02-13 | 1996-08-14 | Hoogovens Staal B.V. | Method for producing molten pig iron |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0810043B1 (pt) | 2016-09-27 |
| WO2008122527A2 (en) | 2008-10-16 |
| RU2477755C2 (ru) | 2013-03-20 |
| RU2009140757A (ru) | 2011-05-20 |
| WO2008122527A3 (en) | 2008-12-04 |
| CN101688258A (zh) | 2010-03-31 |
| BRPI0810043A2 (pt) | 2014-10-14 |
| CN101688258B (zh) | 2015-09-09 |
| ZA200906882B (en) | 2010-12-29 |
| BRPI0810043A8 (pt) | 2015-11-24 |
| AU2008235542A1 (en) | 2008-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) |