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 |
|---|---|---|---|
| JP2022-070755 | 2022-04-22 | ||
| JP2022070755 | 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 (fr) |
| AU (1) | AU2023255849A1 (fr) |
| TW (1) | TWI844330B (fr) |
| WO (1) | WO2023204069A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4624596A1 (fr) | 2024-03-28 | 2025-10-01 | Luossavaara Kiirunavaara Ab | Procédé de production de fonte de fer métallique |
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 |
| CN100343396C (zh) | 1998-10-30 | 2007-10-17 | 米德雷克斯技术公司 | 使用二联炉生产熔化铁的方法 |
| 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 JP JP2023547081A patent/JP7636730B2/ja active Active
- 2023-04-10 WO PCT/JP2023/014495 patent/WO2023204069A1/fr not_active Ceased
- 2023-04-10 TW TW112113233A patent/TWI844330B/zh active
- 2023-04-10 AU AU2023255849A patent/AU2023255849A1/en active Pending
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 |
|---|---|
| AU2023255849A1 (en) | 2024-10-10 |
| JP7636730B2 (ja) | 2025-02-27 |
| TW202409300A (zh) | 2024-03-01 |
| JPWO2023204069A1 (fr) | 2023-10-26 |
| WO2023204069A1 (fr) | 2023-10-26 |
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