UA77936C2 - Method of producing granular metallic iron, method of producing of liquid steel (variants), device for charging subsidiary raw material on hearth of reduction furnace with moving hearth - Google Patents
Method of producing granular metallic iron, method of producing of liquid steel (variants), device for charging subsidiary raw material on hearth of reduction furnace with moving hearth Download PDFInfo
- Publication number
- UA77936C2 UA77936C2 UA2001129204A UA2001129204A UA77936C2 UA 77936 C2 UA77936 C2 UA 77936C2 UA 2001129204 A UA2001129204 A UA 2001129204A UA 2001129204 A UA2001129204 A UA 2001129204A UA 77936 C2 UA77936 C2 UA 77936C2
- Authority
- UA
- Ukraine
- Prior art keywords
- iron
- furnace
- metallic iron
- melting
- slag
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 701
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 310
- 230000009467 reduction Effects 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 106
- 239000002994 raw material Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 title claims description 49
- 229910000831 Steel Inorganic materials 0.000 title claims description 19
- 239000010959 steel Substances 0.000 title claims description 19
- 238000002844 melting Methods 0.000 claims abstract description 179
- 230000008018 melting Effects 0.000 claims abstract description 177
- 239000002893 slag Substances 0.000 claims abstract description 153
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 106
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 65
- 230000008569 process Effects 0.000 claims abstract description 56
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 23
- 238000005255 carburizing Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000007858 starting material Substances 0.000 claims description 154
- 239000007787 solid Substances 0.000 claims description 99
- 239000000463 material Substances 0.000 claims description 98
- 239000003795 chemical substances by application Substances 0.000 claims description 92
- 239000007789 gas Substances 0.000 claims description 81
- 238000011084 recovery Methods 0.000 claims description 63
- 230000001105 regulatory effect Effects 0.000 claims description 52
- 238000004519 manufacturing process Methods 0.000 claims description 50
- 238000004581 coalescence Methods 0.000 claims description 49
- 239000003575 carbonaceous material Substances 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 42
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 39
- 238000011068 loading method Methods 0.000 claims description 28
- 239000000292 calcium oxide Substances 0.000 claims description 20
- 238000003763 carbonization Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 17
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000009628 steelmaking Methods 0.000 claims description 8
- 239000010878 waste rock Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 35
- 239000011819 refractory material Substances 0.000 abstract description 34
- 239000010410 layer Substances 0.000 description 130
- 238000006722 reduction reaction Methods 0.000 description 107
- 239000012298 atmosphere Substances 0.000 description 87
- 230000002829 reductive effect Effects 0.000 description 39
- 239000006227 byproduct Substances 0.000 description 38
- 239000000843 powder Substances 0.000 description 32
- 238000003723 Smelting Methods 0.000 description 26
- 238000007254 oxidation reaction Methods 0.000 description 25
- 239000003245 coal Substances 0.000 description 23
- 238000002474 experimental method Methods 0.000 description 23
- 238000001465 metallisation Methods 0.000 description 23
- 239000011241 protective layer Substances 0.000 description 23
- 235000012255 calcium oxide Nutrition 0.000 description 19
- 238000001816 cooling Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 18
- 238000005299 abrasion Methods 0.000 description 17
- 230000003628 erosive effect Effects 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 238000000151 deposition Methods 0.000 description 15
- 238000005192 partition Methods 0.000 description 14
- 239000000654 additive Substances 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 13
- 230000008021 deposition Effects 0.000 description 13
- 239000000047 product Substances 0.000 description 12
- 238000002156 mixing Methods 0.000 description 11
- 238000010924 continuous production Methods 0.000 description 10
- 238000005470 impregnation Methods 0.000 description 10
- 230000000996 additive effect Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 239000000571 coke Substances 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 230000000181 anti-adherent effect Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- YPFNIPKMNMDDDB-UHFFFAOYSA-K 2-[2-[bis(carboxylatomethyl)amino]ethyl-(2-hydroxyethyl)amino]acetate;iron(3+) Chemical compound [Fe+3].OCCN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O YPFNIPKMNMDDDB-UHFFFAOYSA-K 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 102100033121 Transcription factor 21 Human genes 0.000 description 3
- 101710119687 Transcription factor 21 Proteins 0.000 description 3
- 239000000440 bentonite Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- -1 coke or coal Chemical compound 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000000155 melt 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
- 238000011946 reduction process Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000012256 powdered iron Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 208000035699 Distal ileal obstruction syndrome Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding 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
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
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)
- Furnace Charging Or Discharging (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000116383A JP4307686B2 (ja) | 2000-04-18 | 2000-04-18 | 原料供給装置および還元鉄製造方法 |
| PCT/EP2001/003538 WO2001073137A2 (en) | 2000-03-30 | 2001-03-28 | Method of producing metallic iron and raw material feed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA77936C2 true UA77936C2 (en) | 2007-02-15 |
Family
ID=18627853
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UA2001129204A UA77936C2 (en) | 2000-04-18 | 2001-03-28 | Method of producing granular metallic iron, method of producing of liquid steel (variants), device for charging subsidiary raw material on hearth of reduction furnace with moving hearth |
| UAA200604781A UA79712C2 (en) | 2000-04-18 | 2006-04-28 | Method for metal iron obtaining, method for liquid steel obtaining and device for charging of the initial material |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UAA200604781A UA79712C2 (en) | 2000-04-18 | 2006-04-28 | Method for metal iron obtaining, method for liquid steel obtaining and device for charging of the initial material |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4307686B2 (ja) |
| PL (1) | PL203841B1 (ja) |
| UA (2) | UA77936C2 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4531348B2 (ja) * | 2003-06-03 | 2010-08-25 | 大同特殊鋼株式会社 | 移動炉床炉の粉体材料供給装置 |
| JP4506521B2 (ja) * | 2005-03-16 | 2010-07-21 | Ｊｆｅスチール株式会社 | 移動炉床炉内移動床上への原料装入方法 |
| JP5407436B2 (ja) * | 2008-03-05 | 2014-02-05 | Ｊｆｅスチール株式会社 | 移動型炉床炉への原料装入方法および原料装入装置 |
| JP5345421B2 (ja) * | 2009-03-10 | 2013-11-20 | アサヒプリテック株式会社 | 貴金属粉末の製造方法 |
| JP5483589B2 (ja) | 2010-09-01 | 2014-05-07 | 株式会社神戸製鋼所 | 還元鉄原料供給システム |
| JP6403268B2 (ja) * | 2015-02-03 | 2018-10-10 | 株式会社神戸製鋼所 | 還元鉄の製造方法及び装置 |
-
2000
- 2000-04-18 JP JP2000116383A patent/JP4307686B2/ja not_active Expired - Fee Related
-
2001
- 2001-03-28 PL PL383403A patent/PL203841B1/pl unknown
- 2001-03-28 UA UA2001129204A patent/UA77936C2/uk unknown
-
2006
- 2006-04-28 UA UAA200604781A patent/UA79712C2/uk unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL203841B1 (pl) | 2009-11-30 |
| JP4307686B2 (ja) | 2009-08-05 |
| UA79712C2 (en) | 2007-07-10 |
| JP2001294922A (ja) | 2001-10-26 |
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