TWI844330B - 直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、以及土木建築用資材及土木建築用資材的製造方法 - Google Patents
直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、以及土木建築用資材及土木建築用資材的製造方法 Download PDFInfo
- Publication number
- TWI844330B TWI844330B TW112113233A TW112113233A TWI844330B TW I844330 B TWI844330 B TW I844330B TW 112113233 A TW112113233 A TW 112113233A TW 112113233 A TW112113233 A TW 112113233A TW I844330 B TWI844330 B TW I844330B
- Authority
- TW
- Taiwan
- Prior art keywords
- iron
- slag
- melting
- molten iron
- furnace
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 553
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 231
- 238000002844 melting Methods 0.000 title claims abstract description 112
- 230000008018 melting Effects 0.000 title claims abstract description 112
- 239000007787 solid Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000004035 construction material Substances 0.000 title claims description 16
- 239000002893 slag Substances 0.000 claims abstract description 204
- 239000007789 gas Substances 0.000 claims abstract description 93
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 230000006698 induction Effects 0.000 claims abstract description 50
- 239000000203 mixture Substances 0.000 claims abstract description 34
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 58
- 239000002994 raw material Substances 0.000 claims description 32
- 239000000377 silicon dioxide Substances 0.000 claims description 32
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 26
- 229910052593 corundum Inorganic materials 0.000 claims description 22
- 229910052681 coesite Inorganic materials 0.000 claims description 21
- 229910052906 cristobalite Inorganic materials 0.000 claims description 21
- 235000012239 silicon dioxide Nutrition 0.000 claims description 21
- 229910052682 stishovite Inorganic materials 0.000 claims description 21
- 229910052905 tridymite Inorganic materials 0.000 claims description 21
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 13
- 239000003607 modifier Substances 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 62
- 238000011282 treatment Methods 0.000 description 45
- 239000000463 material Substances 0.000 description 34
- 239000000292 calcium oxide Substances 0.000 description 32
- 235000012255 calcium oxide Nutrition 0.000 description 32
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 28
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 18
- 230000009467 reduction Effects 0.000 description 17
- 235000014347 soups Nutrition 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 12
- 239000002699 waste material Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 210000003462 vein Anatomy 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000009628 steelmaking Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 229910001882 dioxygen Inorganic materials 0.000 description 5
- 238000007667 floating Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 238000012552 review Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000010309 melting process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 238000010587 phase diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- -1 raw dolomite Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
- C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric 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
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022070755 | 2022-04-22 | ||
| JP2022-070755 | 2022-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202409300A TW202409300A (zh) | 2024-03-01 |
| TWI844330B true TWI844330B (zh) | 2024-06-01 |
Family
ID=88419983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW112113233A TWI844330B (zh) | 2022-04-22 | 2023-04-10 | 直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、以及土木建築用資材及土木建築用資材的製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7636730B2 (ja) |
| AU (1) | AU2023255849A1 (ja) |
| TW (1) | TWI844330B (ja) |
| WO (1) | WO2023204069A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4624596A1 (en) | 2024-03-28 | 2025-10-01 | Luossavaara Kiirunavaara Ab | Method for producing metallic iron melt |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004521188A (ja) * | 2001-02-23 | 2004-07-15 | ポール ヴルス エス．エイ． | 電気炉内溶融鉄生成方法 |
| US20080087135A1 (en) * | 2004-09-03 | 2008-04-17 | Jiann-Yang Hwang | Microwave heating method and apparatus for iron oxide reduction |
| JP2009074120A (ja) * | 2007-09-19 | 2009-04-09 | Kobe Steel Ltd | アーク加熱による溶鉄製造方法 |
| CN108220519A (zh) * | 2016-12-22 | 2018-06-29 | 株式会社Posco | 铁水制造装置及铁水制造方法 |
| CN111263821A (zh) * | 2017-10-23 | 2020-06-09 | 日本制铁株式会社 | 电炉及含氧化铁铁原料的熔解及还原方法 |
| TW202104085A (zh) * | 2019-07-19 | 2021-02-01 | 永覲工業股份有限公司 | 自煉鐵或煉鋼製程副產物中乾式回收石灰的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841697A1 (de) * | 1978-09-25 | 1980-04-10 | Mannesmann Ag | Verfahren zur herstellung von stahl aus eisenschwamm in elektrischen oefen |
| CA2346977C (en) | 1998-10-30 | 2006-09-19 | Midrex Technologies, Inc. | Method of producing molten iron in duplex furnaces |
| KR100862086B1 (ko) * | 2002-07-09 | 2008-10-09 | 주식회사 포스코 | 제선공정에서 생성되는 슬래그의 유동성 향상방법 |
| JP5444883B2 (ja) | 2009-06-26 | 2014-03-19 | 新日鐵住金株式会社 | 改質スラグ |
| CN101967530B (zh) * | 2010-10-29 | 2012-05-02 | 昆明钢铁集团有限责任公司 | 一种电冶熔融还原铁的方法 |
-
2023
- 2023-04-10 WO PCT/JP2023/014495 patent/WO2023204069A1/ja not_active Ceased
- 2023-04-10 TW TW112113233A patent/TWI844330B/zh active
- 2023-04-10 AU AU2023255849A patent/AU2023255849A1/en active Pending
- 2023-04-10 JP JP2023547081A patent/JP7636730B2/ja active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004521188A (ja) * | 2001-02-23 | 2004-07-15 | ポール ヴルス エス．エイ． | 電気炉内溶融鉄生成方法 |
| US20080087135A1 (en) * | 2004-09-03 | 2008-04-17 | Jiann-Yang Hwang | Microwave heating method and apparatus for iron oxide reduction |
| JP2009074120A (ja) * | 2007-09-19 | 2009-04-09 | Kobe Steel Ltd | アーク加熱による溶鉄製造方法 |
| CN108220519A (zh) * | 2016-12-22 | 2018-06-29 | 株式会社Posco | 铁水制造装置及铁水制造方法 |
| CN111263821A (zh) * | 2017-10-23 | 2020-06-09 | 日本制铁株式会社 | 电炉及含氧化铁铁原料的熔解及还原方法 |
| TW202104085A (zh) * | 2019-07-19 | 2021-02-01 | 永覲工業股份有限公司 | 自煉鐵或煉鋼製程副產物中乾式回收石灰的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2023204069A1 (ja) | 2023-10-26 |
| WO2023204069A1 (ja) | 2023-10-26 |
| TW202409300A (zh) | 2024-03-01 |
| JP7636730B2 (ja) | 2025-02-27 |
| AU2023255849A1 (en) | 2024-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100695650B1 (ko) | 정련제 및 정련 방법 | |
| KR101140056B1 (ko) | 슬래그의 활용 방법 | |
| CN104039987A (zh) | 炼钢炉渣还原处理方法 | |
| JP5408379B2 (ja) | 溶銑の予備処理方法 | |
| CN110073161B (zh) | 电炉 | |
| JP4571818B2 (ja) | 製鋼スラグの改質方法 | |
| US11254599B2 (en) | Method for producing rock wool and recoverable cast iron | |
| TWI844330B (zh) | 直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、以及土木建築用資材及土木建築用資材的製造方法 | |
| TWI843517B (zh) | 直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、土木建築用資材及土木建築用資材的製造方法以及直接還原鐵的熔解系統 | |
| JP3965139B2 (ja) | 製鋼スラグの改質方法 | |
| JP4937818B2 (ja) | 製鋼スラグの溶融改質処理方法 | |
| JP5581760B2 (ja) | 鋼屑中の銅の除去方法及び鋼屑を鉄源とした溶鋼の製造方法 | |
| US5084093A (en) | Method for manufacturing molten pig iron | |
| TWI858647B (zh) | 粒鐵礦之製造方法 | |
| JP4705483B2 (ja) | 溶融鉄の製造方法 | |
| JP5309740B2 (ja) | 製鋼スラグの溶融改質用容器 | |
| JP2004346340A (ja) | 高炉原料の製造方法とその高炉原料を使用する高炉操業方法 |