KR20240160150A - 고로의 조업 방법 - Google Patents
고로의 조업 방법 Download PDFInfo
- Publication number
- KR20240160150A KR20240160150A KR1020247032647A KR20247032647A KR20240160150A KR 20240160150 A KR20240160150 A KR 20240160150A KR 1020247032647 A KR1020247032647 A KR 1020247032647A KR 20247032647 A KR20247032647 A KR 20247032647A KR 20240160150 A KR20240160150 A KR 20240160150A
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- vol
- blast furnace
- furnace
- range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000002994 raw material Substances 0.000 claims abstract description 79
- 229910052742 iron Inorganic materials 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000571 coke Substances 0.000 claims abstract description 15
- 238000011017 operating method Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 238000010586 diagram Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 abstract description 34
- 238000009423 ventilation Methods 0.000 abstract description 17
- 230000007423 decrease Effects 0.000 abstract description 10
- 230000004927 fusion Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 175
- 238000012360 testing method Methods 0.000 description 23
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 230000035699 permeability Effects 0.000 description 15
- 238000006722 reduction reaction Methods 0.000 description 15
- 239000012768 molten material Substances 0.000 description 11
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
- C21B7/163—Blowpipe assembly
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2022-064977 | 2022-04-11 | ||
| JP2022064977 | 2022-04-11 | ||
| PCT/JP2022/046305 WO2023199550A1 (ja) | 2022-04-11 | 2022-12-16 | 高炉の操業方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20240160150A true KR20240160150A (ko) | 2024-11-08 |
Family
ID=88329530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020247032647A Pending KR20240160150A (ko) | 2022-04-11 | 2022-12-16 | 고로의 조업 방법 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4477762A4 (https=) |
| JP (1) | JP7552881B2 (https=) |
| KR (1) | KR20240160150A (https=) |
| CN (1) | CN119032183A (https=) |
| TW (1) | TWI859671B (https=) |
| WO (1) | WO2023199550A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025211235A1 (ja) * | 2024-04-01 | 2025-10-09 | 日本製鉄株式会社 | 非焼成含炭塊成鉱の製造方法およびケイ酸バイオマスの高炉利用方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913107A (ja) | 1995-06-27 | 1997-01-14 | Sumitomo Metal Ind Ltd | 高炉操業方法 |
| JP2004010948A (ja) | 2002-06-05 | 2004-01-15 | Sumitomo Metal Ind Ltd | 高炉操業方法 |
| JP2005298923A (ja) | 2004-04-13 | 2005-10-27 | Nippon Steel Corp | 高炉における高鉱石／還元材比操業方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790711A (en) * | 1957-04-30 | Molten | ||
| US3460934A (en) * | 1966-12-19 | 1969-08-12 | John J Kelmar | Blast furnace method |
| JPH09143516A (ja) * | 1995-11-17 | 1997-06-03 | Nippon Steel Corp | 竪型炉の操業方法 |
| AUPO944697A0 (en) * | 1997-09-26 | 1997-10-16 | Technological Resources Pty Limited | A method of producing metals and metal alloys |
| JP2002060809A (ja) * | 2000-08-08 | 2002-02-28 | Nippon Steel Corp | 化学組成を調整した焼結鉱を使用する低炉熱高炉操業方法 |
| BRPI0909727A2 (pt) * | 2008-03-31 | 2017-10-10 | Nippon Steel Corp | método de produção de ferro reduzido |
| WO2011021577A1 (ja) * | 2009-08-21 | 2011-02-24 | 新日本製鐵株式会社 | 高炉用の非焼成含炭塊成鉱およびその製造方法 |
| JP2013082971A (ja) * | 2011-10-11 | 2013-05-09 | Nippon Steel & Sumitomo Metal Corp | 高炉の操業方法 |
| JP6273983B2 (ja) * | 2014-04-04 | 2018-02-07 | 新日鐵住金株式会社 | 還元鉄を用いた高炉操業方法 |
| CN105349725A (zh) * | 2015-11-07 | 2016-02-24 | 衡南扬钢冶金技术有限公司 | 一种自燃还原法炼铁方法及冶炼装置 |
| CN110229939B (zh) * | 2019-07-15 | 2024-05-07 | 陶立群 | 一种两段回转窑法非焦炼铁装置 |
| JP7339222B2 (ja) * | 2020-09-03 | 2023-09-05 | 株式会社神戸製鋼所 | 銑鉄製造方法 |
-
2022
- 2022-12-16 CN CN202280094341.2A patent/CN119032183A/zh active Pending
- 2022-12-16 WO PCT/JP2022/046305 patent/WO2023199550A1/ja not_active Ceased
- 2022-12-16 JP JP2023516075A patent/JP7552881B2/ja active Active
- 2022-12-16 KR KR1020247032647A patent/KR20240160150A/ko active Pending
- 2022-12-16 EP EP22937525.8A patent/EP4477762A4/en active Pending
- 2022-12-22 TW TW111149329A patent/TWI859671B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913107A (ja) | 1995-06-27 | 1997-01-14 | Sumitomo Metal Ind Ltd | 高炉操業方法 |
| JP2004010948A (ja) | 2002-06-05 | 2004-01-15 | Sumitomo Metal Ind Ltd | 高炉操業方法 |
| JP2005298923A (ja) | 2004-04-13 | 2005-10-27 | Nippon Steel Corp | 高炉における高鉱石／還元材比操業方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7552881B2 (ja) | 2024-09-18 |
| JPWO2023199550A1 (https=) | 2023-10-19 |
| TW202340482A (zh) | 2023-10-16 |
| EP4477762A4 (en) | 2025-05-14 |
| EP4477762A1 (en) | 2024-12-18 |
| WO2023199550A1 (ja) | 2023-10-19 |
| CN119032183A (zh) | 2024-11-26 |
| TWI859671B (zh) | 2024-10-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20240930 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application |