NZ203437A - Producing sponge iron by direct reduction of finegrained iron ores - Google Patents
Producing sponge iron by direct reduction of finegrained iron oresInfo
- Publication number
- NZ203437A NZ203437A NZ203437A NZ20343783A NZ203437A NZ 203437 A NZ203437 A NZ 203437A NZ 203437 A NZ203437 A NZ 203437A NZ 20343783 A NZ20343783 A NZ 20343783A NZ 203437 A NZ203437 A NZ 203437A
- Authority
- NZ
- New Zealand
- Prior art keywords
- rotary kiln
- fine
- iron
- process according
- fluidized bed
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 39
- 229910052742 iron Inorganic materials 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000001465 metallisation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 230000003009 desulfurizing effect Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000008188 pellet Substances 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
-
- 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
- C21B13/146—Multi-step reduction without melting
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823210232 DE3210232A1 (de) | 1982-03-20 | 1982-03-20 | Verfahren zur direktreduktion von eisenoxidhaltigen materialien zu schwammeisen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ203437A true NZ203437A (en) | 1985-01-31 |
Family
ID=6158802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ203437A NZ203437A (en) | 1982-03-20 | 1983-03-02 | Producing sponge iron by direct reduction of finegrained iron ores |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4443250A (forum.php) |
| EP (1) | EP0090438B1 (forum.php) |
| AU (1) | AU556203B2 (forum.php) |
| CA (1) | CA1204943A (forum.php) |
| DE (2) | DE3210232A1 (forum.php) |
| IN (1) | IN158419B (forum.php) |
| NO (1) | NO159864C (forum.php) |
| NZ (1) | NZ203437A (forum.php) |
| PH (1) | PH20105A (forum.php) |
| ZA (1) | ZA831901B (forum.php) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2659559C (en) * | 2006-08-01 | 2014-07-22 | Iron Mineral Beneficiation Services (Proprietary) Limited | A method for the commercial production of iron |
| JP5123571B2 (ja) * | 2007-06-04 | 2013-01-23 | 住友重機械工業株式会社 | 還元処理装置及び還元処理方法 |
| US8333821B2 (en) * | 2010-02-05 | 2012-12-18 | Innova Powders, Inc. | Environmentally friendly system and method for manufacturing iron powder |
| CN105723002B (zh) * | 2014-03-11 | 2018-03-27 | 新日铁住金株式会社 | 还原铁的制造方法以及制造设备 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2663632A (en) * | 1951-03-06 | 1953-12-22 | Nat Lead Co | Reduction of iron ores |
| FR1128520A (fr) * | 1954-04-09 | 1957-01-07 | Perfectionnement aux procédés de réduction de l'oxyde de fer | |
| DE1270581B (de) * | 1957-08-12 | 1968-06-20 | Hydrocarbon Research Inc | Verfahren zur Reduktion von Eisenoxyd |
| US3135598A (en) * | 1960-04-27 | 1964-06-02 | Yawata Iron & Steel Co | Rapid direct reduction method of iron oxide |
| FR1365441A (fr) * | 1963-05-21 | 1964-07-03 | Siderurgie Fse Inst Rech | Procédé et dispositif de réduction des fines de minerai de fer au four tournant |
| BR7002197D0 (pt) * | 1970-04-25 | 1973-04-12 | Metallgesellschaft Ag | Processo para a reducao direta de materiais de fina granulacao contendo ferro oxidico num forno rotativo |
| DE2428715C3 (de) * | 1974-06-14 | 1982-09-02 | Krupp Polysius Ag, 4720 Beckum | Verfahren und Anlage zur Reduktion und Agglomeration von feinkörnigem Erz |
-
1982
- 1982-03-20 DE DE19823210232 patent/DE3210232A1/de not_active Withdrawn
- 1982-06-18 IN IN707/CAL/82A patent/IN158419B/en unknown
- 1982-09-14 US US06/417,958 patent/US4443250A/en not_active Expired - Fee Related
-
1983
- 1983-02-19 EP EP83200255A patent/EP0090438B1/de not_active Expired
- 1983-02-19 DE DE8383200255T patent/DE3360636D1/de not_active Expired
- 1983-03-02 NZ NZ203437A patent/NZ203437A/en unknown
- 1983-03-03 NO NO830733A patent/NO159864C/no unknown
- 1983-03-18 CA CA000423928A patent/CA1204943A/en not_active Expired
- 1983-03-18 PH PH28668A patent/PH20105A/en unknown
- 1983-03-18 ZA ZA831901A patent/ZA831901B/xx unknown
- 1983-03-18 AU AU12664/83A patent/AU556203B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| PH20105A (en) | 1986-09-29 |
| AU556203B2 (en) | 1986-10-23 |
| EP0090438A1 (de) | 1983-10-05 |
| AU1266483A (en) | 1983-09-22 |
| IN158419B (forum.php) | 1986-11-15 |
| DE3360636D1 (en) | 1985-10-03 |
| NO830733L (no) | 1983-09-21 |
| CA1204943A (en) | 1986-05-27 |
| EP0090438B1 (de) | 1985-08-28 |
| NO159864C (no) | 1989-02-15 |
| NO159864B (no) | 1988-11-07 |
| DE3210232A1 (de) | 1983-09-22 |
| US4443250A (en) | 1984-04-17 |
| ZA831901B (en) | 1984-10-31 |
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