BR112012002859B1 - Método para operação de alto forno - Google Patents
Método para operação de alto forno Download PDFInfo
- Publication number
- BR112012002859B1 BR112012002859B1 BR112012002859-6A BR112012002859A BR112012002859B1 BR 112012002859 B1 BR112012002859 B1 BR 112012002859B1 BR 112012002859 A BR112012002859 A BR 112012002859A BR 112012002859 B1 BR112012002859 B1 BR 112012002859B1
- Authority
- BR
- Brazil
- Prior art keywords
- ore
- blast furnace
- coke
- layer
- iron compound
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 49
- 239000000571 coke Substances 0.000 claims description 147
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 112
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 59
- 239000000203 mixture Substances 0.000 claims description 35
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 239000002245 particle Substances 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 14
- 230000035699 permeability Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 230000007423 decrease Effects 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- 229910000805 Pig iron Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000001464 adherent effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010000 carbonizing Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002361 compost Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- C21B5/008—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
- C21B5/007—Conditions of the cokes or characterised by the cokes used
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 (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009185412 | 2009-08-10 | ||
| JP2009-185412 | 2009-08-10 | ||
| JP2010-175265 | 2010-08-04 | ||
| JP2010175265A JP4793501B2 (ja) | 2009-08-10 | 2010-08-04 | フェロコークスを用いた高炉操業方法 |
| PCT/JP2010/063797 WO2011019086A1 (ja) | 2009-08-10 | 2010-08-10 | 高炉操業方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112012002859A2 BR112012002859A2 (pt) | 2016-03-22 |
| BR112012002859B1 true BR112012002859B1 (pt) | 2018-06-05 |
Family
ID=43586257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112012002859-6A BR112012002859B1 (pt) | 2009-08-10 | 2010-08-10 | Método para operação de alto forno |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8945274B2 (https=) |
| EP (1) | EP2450459B1 (https=) |
| JP (1) | JP4793501B2 (https=) |
| KR (1) | KR101318044B1 (https=) |
| CN (1) | CN102471809B (https=) |
| BR (1) | BR112012002859B1 (https=) |
| WO (1) | WO2011019086A1 (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4793501B2 (ja) * | 2009-08-10 | 2011-10-12 | Ｊｆｅスチール株式会社 | フェロコークスを用いた高炉操業方法 |
| JP2011094182A (ja) * | 2009-10-29 | 2011-05-12 | Jfe Steel Corp | フェロコークスを用いた高炉操業方法 |
| JP5966608B2 (ja) * | 2012-05-18 | 2016-08-10 | Ｊｆｅスチール株式会社 | 高炉への原料装入方法 |
| EP2851436B1 (en) * | 2012-05-18 | 2016-09-14 | JFE Steel Corporation | Method for charging starting material into blast furnace |
| JP5871062B2 (ja) * | 2012-05-18 | 2016-03-01 | Ｊｆｅスチール株式会社 | 高炉への原料装入方法 |
| CN104334748B (zh) * | 2012-06-06 | 2016-10-26 | 杰富意钢铁株式会社 | 使用铁焦的高炉作业方法 |
| JP2014224286A (ja) * | 2013-05-15 | 2014-12-04 | 新日鐵住金株式会社 | 高炉の操業方法 |
| WO2015045369A1 (ja) * | 2013-09-26 | 2015-04-02 | Ｊｆｅスチール株式会社 | 高炉への原料装入方法 |
| CN108350513B (zh) * | 2015-10-28 | 2020-05-22 | 杰富意钢铁株式会社 | 向高炉装入原料的方法 |
| JP6638764B2 (ja) * | 2017-06-26 | 2020-01-29 | Ｊｆｅスチール株式会社 | 高炉の操業方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63210207A (ja) | 1987-02-25 | 1988-08-31 | Nkk Corp | 高炉操業法 |
| JP4556525B2 (ja) * | 2004-07-16 | 2010-10-06 | Ｊｆｅスチール株式会社 | 高炉の操業方法 |
| JP4807103B2 (ja) * | 2006-02-28 | 2011-11-02 | Ｊｆｅスチール株式会社 | 高炉操業方法 |
| JP4910631B2 (ja) | 2006-10-26 | 2012-04-04 | Ｊｆｅスチール株式会社 | 高炉の操業方法 |
| JP4971815B2 (ja) * | 2007-02-01 | 2012-07-11 | 株式会社神戸製鋼所 | 高炉操業方法 |
| JP4793501B2 (ja) * | 2009-08-10 | 2011-10-12 | Ｊｆｅスチール株式会社 | フェロコークスを用いた高炉操業方法 |
-
2010
- 2010-08-04 JP JP2010175265A patent/JP4793501B2/ja active Active
- 2010-08-10 WO PCT/JP2010/063797 patent/WO2011019086A1/ja not_active Ceased
- 2010-08-10 KR KR1020127004267A patent/KR101318044B1/ko active Active
- 2010-08-10 BR BR112012002859-6A patent/BR112012002859B1/pt active IP Right Grant
- 2010-08-10 EP EP10808267.8A patent/EP2450459B1/en active Active
- 2010-08-10 CN CN201080035353.5A patent/CN102471809B/zh active Active
- 2010-08-10 US US13/388,786 patent/US8945274B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2450459B1 (en) | 2019-09-18 |
| WO2011019086A1 (ja) | 2011-02-17 |
| JP4793501B2 (ja) | 2011-10-12 |
| CN102471809A (zh) | 2012-05-23 |
| EP2450459A1 (en) | 2012-05-09 |
| US8945274B2 (en) | 2015-02-03 |
| CN102471809B (zh) | 2014-07-30 |
| US20120205839A1 (en) | 2012-08-16 |
| BR112012002859A2 (pt) | 2016-03-22 |
| KR20120037998A (ko) | 2012-04-20 |
| JP2011058091A (ja) | 2011-03-24 |
| KR101318044B1 (ko) | 2013-10-14 |
| EP2450459A4 (en) | 2017-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |