TWI820935B - 製鐵方法 - Google Patents
製鐵方法 Download PDFInfo
- Publication number
- TWI820935B TWI820935B TW111136999A TW111136999A TWI820935B TW I820935 B TWI820935 B TW I820935B TW 111136999 A TW111136999 A TW 111136999A TW 111136999 A TW111136999 A TW 111136999A TW I820935 B TWI820935 B TW I820935B
- Authority
- TW
- Taiwan
- Prior art keywords
- iron
- goethite
- ore
- mass
- rich
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 255
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000002245 particle Substances 0.000 claims abstract description 107
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims abstract description 70
- 229910052598 goethite Inorganic materials 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 66
- 230000009467 reduction Effects 0.000 claims abstract description 32
- 239000008188 pellet Substances 0.000 claims abstract description 21
- 238000005054 agglomeration Methods 0.000 claims abstract description 19
- 230000002776 aggregation Effects 0.000 claims abstract description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 14
- 239000001257 hydrogen Substances 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 7
- 238000005456 ore beneficiation Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 229910052595 hematite Inorganic materials 0.000 claims description 41
- 239000011019 hematite Substances 0.000 claims description 41
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 41
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 40
- 239000011707 mineral Substances 0.000 claims description 40
- 238000001465 metallisation Methods 0.000 claims description 27
- 238000005406 washing Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 description 56
- 230000005484 gravity Effects 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 26
- 239000000203 mixture Substances 0.000 description 21
- 239000007788 liquid Substances 0.000 description 14
- 239000013078 crystal Substances 0.000 description 10
- 230000005291 magnetic effect Effects 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 102220486681 Putative uncharacterized protein PRO1854_S10A_mutation Human genes 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 102220470087 Ribonucleoside-diphosphate reductase subunit M2_S20A_mutation Human genes 0.000 description 3
- 239000002734 clay mineral Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 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
- 239000006249 magnetic particle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- OEDMOCYNWLHUDP-UHFFFAOYSA-N bromomethanol Chemical compound OCBr OEDMOCYNWLHUDP-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005298 paramagnetic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B2005/005—Selection or treatment of the reducing gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021-159551 | 2021-09-29 | ||
| JP2021159551 | 2021-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202330945A TW202330945A (zh) | 2023-08-01 |
| TWI820935B true TWI820935B (zh) | 2023-11-01 |
Family
ID=85782895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW111136999A TWI820935B (zh) | 2021-09-29 | 2022-09-29 | 製鐵方法 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPWO2023054588A1 (fr) |
| KR (1) | KR20240055010A (fr) |
| CN (1) | CN118019864A (fr) |
| AU (1) | AU2022356833A1 (fr) |
| CA (1) | CA3231868A1 (fr) |
| TW (1) | TWI820935B (fr) |
| WO (1) | WO2023054588A1 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310027A (ja) * | 1989-06-05 | 1991-01-17 | Nippon Steel Corp | 高ゲーサイト鉱石の事前処理法 |
| CN102159733A (zh) * | 2008-09-17 | 2011-08-17 | 新日本制铁株式会社 | 烧结矿的制造方法 |
| CN102348816A (zh) * | 2009-03-16 | 2012-02-08 | 新日本制铁株式会社 | 烧结矿的制造方法 |
| JP2012102371A (ja) * | 2010-11-10 | 2012-05-31 | Nippon Steel Corp | 予熱原料を使用した直接還元炉の操業方法 |
| JP2020020010A (ja) * | 2018-08-02 | 2020-02-06 | 日本製鉄株式会社 | 高燐鉄鉱石の還元方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2790026B2 (ja) * | 1993-12-13 | 1998-08-27 | 日本鋼管株式会社 | 焼成塊成鉱の製造方法 |
| JP5892317B2 (ja) * | 2011-12-27 | 2016-03-23 | Ｊｆｅスチール株式会社 | 高炉用原料の製造方法 |
| JP2021159551A (ja) | 2020-04-02 | 2021-10-11 | 株式会社三共 | 遊技機 |
-
2022
- 2022-09-29 CN CN202280064864.2A patent/CN118019864A/zh active Pending
- 2022-09-29 CA CA3231868A patent/CA3231868A1/fr active Pending
- 2022-09-29 AU AU2022356833A patent/AU2022356833A1/en active Pending
- 2022-09-29 WO PCT/JP2022/036451 patent/WO2023054588A1/fr active Application Filing
- 2022-09-29 KR KR1020247009492A patent/KR20240055010A/ko unknown
- 2022-09-29 JP JP2023551849A patent/JPWO2023054588A1/ja active Pending
- 2022-09-29 TW TW111136999A patent/TWI820935B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310027A (ja) * | 1989-06-05 | 1991-01-17 | Nippon Steel Corp | 高ゲーサイト鉱石の事前処理法 |
| CN102159733A (zh) * | 2008-09-17 | 2011-08-17 | 新日本制铁株式会社 | 烧结矿的制造方法 |
| CN102348816A (zh) * | 2009-03-16 | 2012-02-08 | 新日本制铁株式会社 | 烧结矿的制造方法 |
| JP2012102371A (ja) * | 2010-11-10 | 2012-05-31 | Nippon Steel Corp | 予熱原料を使用した直接還元炉の操業方法 |
| JP2020020010A (ja) * | 2018-08-02 | 2020-02-06 | 日本製鉄株式会社 | 高燐鉄鉱石の還元方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3231868A1 (fr) | 2023-04-06 |
| KR20240055010A (ko) | 2024-04-26 |
| TW202330945A (zh) | 2023-08-01 |
| CN118019864A (zh) | 2024-05-10 |
| WO2023054588A1 (fr) | 2023-04-06 |
| AU2022356833A1 (en) | 2024-03-28 |
| JPWO2023054588A1 (fr) | 2023-04-06 |
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