JP6885528B1 - 高炉への原料装入方法 - Google Patents
高炉への原料装入方法 Download PDFInfo
- Publication number
- JP6885528B1 JP6885528B1 JP2021508006A JP2021508006A JP6885528B1 JP 6885528 B1 JP6885528 B1 JP 6885528B1 JP 2021508006 A JP2021508006 A JP 2021508006A JP 2021508006 A JP2021508006 A JP 2021508006A JP 6885528 B1 JP6885528 B1 JP 6885528B1
- Authority
- JP
- Japan
- Prior art keywords
- mixed
- ore
- coke
- coarse
- grained ore
- 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.)
- Active
Links
- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 239000000571 coke Substances 0.000 claims abstract description 168
- 239000002245 particle Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 26
- 230000009257 reactivity Effects 0.000 abstract description 16
- 230000035699 permeability Effects 0.000 abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 16
- 238000002156 mixing Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 230000001603 reducing effect Effects 0.000 description 6
- 238000005204 segregation Methods 0.000 description 5
- 238000007873 sieving Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 241000216843 Ursus arctos horribilis Species 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010792 warming Methods 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
- 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
- C21B5/007—Conditions of the cokes or characterised by the cokes used
-
- 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
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
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 |
---|---|---|---|
JP2020012083 | 2020-01-29 | ||
JP2020012083 | 2020-01-29 | ||
PCT/JP2020/044357 WO2021152989A1 (ja) | 2020-01-29 | 2020-11-27 | 高炉への原料装入方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6885528B1 true JP6885528B1 (ja) | 2021-06-16 |
JPWO2021152989A1 JPWO2021152989A1 (pt) | 2021-08-05 |
Family
ID=76310151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021508006A Active JP6885528B1 (ja) | 2020-01-29 | 2020-11-27 | 高炉への原料装入方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4083235A4 (pt) |
JP (1) | JP6885528B1 (pt) |
KR (1) | KR20220119154A (pt) |
CN (1) | CN115023508B (pt) |
BR (1) | BR112022014972A2 (pt) |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60208404A (ja) * | 1984-03-31 | 1985-10-21 | Kawasaki Steel Corp | 高炉原料装入方法およびその装置 |
JPS63140006A (ja) * | 1986-12-01 | 1988-06-11 | Kawasaki Steel Corp | 高炉原料装入方法 |
JPH02305911A (ja) * | 1989-05-20 | 1990-12-19 | Nippon Steel Corp | 竪型炉のベルレス式原料装入方法 |
JPH03153804A (ja) * | 1989-11-09 | 1991-07-01 | Nippon Steel Corp | 高炉原料の装入方法 |
JPH0754023A (ja) * | 1993-08-18 | 1995-02-28 | Sumitomo Metal Ind Ltd | 高炉の操業方法 |
JPH08120311A (ja) * | 1994-10-18 | 1996-05-14 | Nippon Steel Corp | 高炉の原料装入方法 |
JP2000282111A (ja) * | 1999-03-31 | 2000-10-10 | Kawasaki Steel Corp | 低Si溶銑の製造方法 |
JP2001064705A (ja) * | 1999-06-25 | 2001-03-13 | Kawasaki Steel Corp | 高炉への原料装入方法 |
JP2010133008A (ja) * | 2008-10-31 | 2010-06-17 | Jfe Steel Corp | ベルレス高炉への原料装入方法 |
JP2010150646A (ja) * | 2008-12-26 | 2010-07-08 | Jfe Steel Corp | 高炉への原料装入方法 |
JP2010150644A (ja) * | 2008-12-26 | 2010-07-08 | Jfe Steel Corp | 高炉への原料装入方法 |
WO2013172046A1 (ja) * | 2012-05-18 | 2013-11-21 | Jfeスチール株式会社 | 高炉への原料装入方法 |
JP2015074801A (ja) * | 2013-10-08 | 2015-04-20 | 新日鐵住金株式会社 | 高炉操業方法 |
JP2015134941A (ja) * | 2014-01-16 | 2015-07-27 | 新日鐵住金株式会社 | ベルレス高炉の原料装入方法 |
JP2015199979A (ja) * | 2014-04-04 | 2015-11-12 | 新日鐵住金株式会社 | ベルレス高炉の装入物装入方法 |
JP2017039969A (ja) * | 2015-08-19 | 2017-02-23 | Jfeスチール株式会社 | 高炉への原料装入方法 |
JP2018024914A (ja) * | 2016-08-10 | 2018-02-15 | 株式会社神戸製鋼所 | 高炉への原料装入方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5562106A (en) * | 1978-10-30 | 1980-05-10 | Nippon Steel Corp | Raw material charging method for blast furnace |
JP4114626B2 (ja) * | 2004-04-02 | 2008-07-09 | 住友金属工業株式会社 | 高炉の操業方法 |
US7914599B2 (en) * | 2004-11-17 | 2011-03-29 | Ism, Inc. | Slag conditioner composition, process for manufacture and method of use in steel production |
CN104364397B (zh) * | 2012-05-28 | 2016-08-17 | 新日铁住金株式会社 | 无料钟高炉的原料装入方法 |
JP6183412B2 (ja) * | 2015-05-28 | 2017-08-23 | Jfeスチール株式会社 | 高炉への原料装入装置 |
-
2020
- 2020-11-27 BR BR112022014972A patent/BR112022014972A2/pt unknown
- 2020-11-27 CN CN202080094945.8A patent/CN115023508B/zh active Active
- 2020-11-27 EP EP20916867.3A patent/EP4083235A4/en active Pending
- 2020-11-27 JP JP2021508006A patent/JP6885528B1/ja active Active
- 2020-11-27 KR KR1020227026245A patent/KR20220119154A/ko not_active Application Discontinuation
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60208404A (ja) * | 1984-03-31 | 1985-10-21 | Kawasaki Steel Corp | 高炉原料装入方法およびその装置 |
JPS63140006A (ja) * | 1986-12-01 | 1988-06-11 | Kawasaki Steel Corp | 高炉原料装入方法 |
JPH02305911A (ja) * | 1989-05-20 | 1990-12-19 | Nippon Steel Corp | 竪型炉のベルレス式原料装入方法 |
JPH03153804A (ja) * | 1989-11-09 | 1991-07-01 | Nippon Steel Corp | 高炉原料の装入方法 |
JPH0754023A (ja) * | 1993-08-18 | 1995-02-28 | Sumitomo Metal Ind Ltd | 高炉の操業方法 |
JPH08120311A (ja) * | 1994-10-18 | 1996-05-14 | Nippon Steel Corp | 高炉の原料装入方法 |
JP2000282111A (ja) * | 1999-03-31 | 2000-10-10 | Kawasaki Steel Corp | 低Si溶銑の製造方法 |
JP2001064705A (ja) * | 1999-06-25 | 2001-03-13 | Kawasaki Steel Corp | 高炉への原料装入方法 |
JP2010133008A (ja) * | 2008-10-31 | 2010-06-17 | Jfe Steel Corp | ベルレス高炉への原料装入方法 |
JP2010150646A (ja) * | 2008-12-26 | 2010-07-08 | Jfe Steel Corp | 高炉への原料装入方法 |
JP2010150644A (ja) * | 2008-12-26 | 2010-07-08 | Jfe Steel Corp | 高炉への原料装入方法 |
WO2013172046A1 (ja) * | 2012-05-18 | 2013-11-21 | Jfeスチール株式会社 | 高炉への原料装入方法 |
JP2015074801A (ja) * | 2013-10-08 | 2015-04-20 | 新日鐵住金株式会社 | 高炉操業方法 |
JP2015134941A (ja) * | 2014-01-16 | 2015-07-27 | 新日鐵住金株式会社 | ベルレス高炉の原料装入方法 |
JP2015199979A (ja) * | 2014-04-04 | 2015-11-12 | 新日鐵住金株式会社 | ベルレス高炉の装入物装入方法 |
JP2017039969A (ja) * | 2015-08-19 | 2017-02-23 | Jfeスチール株式会社 | 高炉への原料装入方法 |
JP2018024914A (ja) * | 2016-08-10 | 2018-02-15 | 株式会社神戸製鋼所 | 高炉への原料装入方法 |
Also Published As
Publication number | Publication date |
---|---|
CN115023508A (zh) | 2022-09-06 |
JPWO2021152989A1 (pt) | 2021-08-05 |
EP4083235A4 (en) | 2023-07-05 |
CN115023508B (zh) | 2023-07-18 |
BR112022014972A2 (pt) | 2022-09-20 |
EP4083235A1 (en) | 2022-11-02 |
KR20220119154A (ko) | 2022-08-26 |
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