ZA200601996B - An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof - Google Patents
An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof Download PDFInfo
- Publication number
- ZA200601996B ZA200601996B ZA200601996A ZA200601996A ZA200601996B ZA 200601996 B ZA200601996 B ZA 200601996B ZA 200601996 A ZA200601996 A ZA 200601996A ZA 200601996 A ZA200601996 A ZA 200601996A ZA 200601996 B ZA200601996 B ZA 200601996B
- Authority
- ZA
- South Africa
- Prior art keywords
- iron
- exhaust gas
- reducing
- manufacturing
- bed reactor
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 540
- 229910052742 iron Inorganic materials 0.000 title claims description 251
- 238000004519 manufacturing process Methods 0.000 title claims description 161
- 229910000831 Steel Inorganic materials 0.000 title claims description 113
- 239000010959 steel Substances 0.000 title claims description 113
- 238000000034 method Methods 0.000 title claims description 83
- 239000007789 gas Substances 0.000 claims description 270
- 239000003034 coal gas Substances 0.000 claims description 108
- 239000000203 mixture Substances 0.000 claims description 53
- 229910052760 oxygen Inorganic materials 0.000 claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 35
- 239000001301 oxygen Substances 0.000 claims description 35
- 239000003245 coal Substances 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 26
- 230000003647 oxidation Effects 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 19
- 238000010926 purge Methods 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 17
- 238000005262 decarbonization Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 13
- 239000004484 Briquette Substances 0.000 claims description 12
- 239000012159 carrier gas Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 10
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 6
- 239000011369 resultant mixture Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 38
- 238000006722 reduction reaction Methods 0.000 description 25
- 230000009467 reduction Effects 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000001816 cooling Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000002893 slag Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000000571 coke Substances 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000011143 downstream manufacturing Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910014458 Ca-Si Inorganic materials 0.000 description 1
- 229910017135 Fe—O Inorganic materials 0.000 description 1
- 101001126084 Homo sapiens Piwi-like protein 2 Proteins 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052781 Neptunium Inorganic materials 0.000 description 1
- 102100029365 Piwi-like protein 2 Human genes 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GYMWQLRSSDFGEQ-ADRAWKNSSA-N [(3e,8r,9s,10r,13s,14s,17r)-13-ethyl-17-ethynyl-3-hydroxyimino-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate;(8r,9s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.O/N=C/1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(OC(C)=O)C#C)[C@@H]4[C@@H]3CCC2=C\1 GYMWQLRSSDFGEQ-ADRAWKNSSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- -1 of 20 volume% Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20030088033 | 2003-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200601996B true ZA200601996B (en) | 2007-05-30 |
Family
ID=37134167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200601996A ZA200601996B (en) | 2003-12-05 | 2006-03-09 | An apparatus for manufacturing a molten iron directly using fine or lump coals and fine iron ores, the method thereof, the integrated steel mill using the same and the method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1852995A (zh) |
| ZA (1) | ZA200601996B (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100840231B1 (ko) * | 2006-12-26 | 2008-06-20 | 주식회사 포스코 | 용철 제조 장치 및 제조 방법 |
| KR100840265B1 (ko) * | 2006-12-27 | 2008-06-20 | 주식회사 포스코 | 분철 저장 장치 및 이를 구비한 용철 제조 장치 |
| KR100930680B1 (ko) * | 2007-12-26 | 2009-12-09 | 주식회사 포스코 | 용철제조장치 및 용철제조방법 |
| KR101289217B1 (ko) * | 2010-12-28 | 2013-07-29 | 주식회사 포스코 | 일관제철시스템 및 일관제철방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT407053B (de) * | 1997-07-04 | 2000-12-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zur herstellung einer metallschmelze in einem einschmelzvergaser unter verwertung von feinkohle |
| AT409387B (de) * | 2000-06-28 | 2002-07-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur gasreduktion von teilchenförmigen oxidhältigen erzen |
| KR100584745B1 (ko) * | 2001-12-21 | 2006-05-30 | 주식회사 포스코 | 일반탄 및 분철광석을 이용한 용철제조공정에 있어서함철더스트 및 슬러지 재활용 장치 및 방법 |
-
2004
- 2004-12-06 CN CNA2004800264837A patent/CN1852995A/zh active Pending
-
2006
- 2006-03-09 ZA ZA200601996A patent/ZA200601996B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1852995A (zh) | 2006-10-25 |
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