BRPI0818372A2 - Pelotas autofundentes para alto-forno e método para fabricação das mesmas - Google Patents

Pelotas autofundentes para alto-forno e método para fabricação das mesmas

Info

Publication number
BRPI0818372A2
BRPI0818372A2 BRPI0818372A BRPI0818372A2 BR PI0818372 A2 BRPI0818372 A2 BR PI0818372A2 BR PI0818372 A BRPI0818372 A BR PI0818372A BR PI0818372 A2 BRPI0818372 A2 BR PI0818372A2
Authority
BR
Brazil
Prior art keywords
self
manufacture
blast furnace
fusing
furnace pellets
Prior art date
Application number
Other languages
English (en)
Inventor
Eisaku Yasuda
Nobuhiro Hasegawa
Yoshiyuki Matsui
Shuji Kitayama
Original Assignee
Kobe Steel Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of BRPI0818372A2 publication Critical patent/BRPI0818372A2/pt
Publication of BRPI0818372B1 publication Critical patent/BRPI0818372B1/pt

Links

Classifications

    • 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
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
    • 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
    • C21B5/02—Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals
    • 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
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • 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
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • C21C2007/0062—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires with introduction of alloying or treating agents under a compacted form different from a wire, e.g. briquette, pellet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BRPI0818372-4A 2007-12-20 2008-12-15 Self-funding high-oven pellets and method for making the same BRPI0818372B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007329065A JP4418836B2 (ja) 2007-12-20 2007-12-20 高炉用自溶性ペレットおよびその製造方法
JP2007-329065 2007-12-20
PCT/JP2008/072774 WO2009081784A1 (ja) 2007-12-20 2008-12-15 高炉用自溶性ペレットおよびその製造方法

Publications (2)

Publication Number Publication Date
BRPI0818372A2 true BRPI0818372A2 (pt) 2015-04-07
BRPI0818372B1 BRPI0818372B1 (pt) 2017-06-13

Family

ID=40801089

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0818372-4A BRPI0818372B1 (pt) 2007-12-20 2008-12-15 Self-funding high-oven pellets and method for making the same

Country Status (8)

Country Link
US (1) US8211204B2 (pt)
EP (1) EP2239344B1 (pt)
JP (1) JP4418836B2 (pt)
KR (1) KR101217392B1 (pt)
CN (1) CN101896627B (pt)
BR (1) BRPI0818372B1 (pt)
TW (1) TWI383051B (pt)
WO (1) WO2009081784A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5466590B2 (ja) * 2009-07-21 2014-04-09 株式会社神戸製鋼所 炭材内装塊成化物を用いた還元鉄製造方法
JP5499796B2 (ja) * 2010-03-15 2014-05-21 株式会社ニコン 電子機器
AU2013266036B2 (en) * 2012-05-23 2017-02-09 Vale S.A. Process for the improvement of reducibility of iron ore pellets
JP5855536B2 (ja) * 2012-06-21 2016-02-09 株式会社神戸製鋼所 高炉の操業方法
CN104975173B (zh) * 2014-04-10 2017-01-18 鞍钢股份有限公司 一种高炉用熔剂性复合含碳球团的生产方法
CN104178222B (zh) * 2014-08-12 2016-05-25 新奥科技发展有限公司 一种催化气化工艺的配煤方法
JP6767519B2 (ja) * 2017-03-22 2020-10-14 首鋼集団有限公司Ｓｈｏｕｇａｎｇ Ｇｒｏｕｐ Ｃｏ．， Ｌｔｄ． ペレット鉱、その製造方法及び製造装置
CN109097561B (zh) * 2018-06-29 2021-03-19 首钢京唐钢铁联合有限责任公司 一种大型带式焙烧机生产低硅熔剂性球团的方法
JP2022150455A (ja) * 2021-03-26 2022-10-07 株式会社神戸製鋼所 銑鉄製造方法
JP2022158000A (ja) * 2021-04-01 2022-10-14 株式会社神戸製鋼所 鉄鉱石ペレットの製造方法
WO2024028923A1 (ja) * 2022-08-01 2024-02-08 Ｊｆｅスチール株式会社 焼結鉱およびその製造方法、ならびに、水素還元用の焼結鉱およびその製造方法
CN115369239B (zh) * 2022-08-01 2024-01-30 包头钢铁（集团）有限责任公司 一种利用白云鄂博尾矿再选铁精矿制备球团矿的方法
JP2024064028A (ja) * 2022-10-27 2024-05-14 株式会社神戸製鋼所 鉄鉱石ペレットの高温性状判定方法、鉄鉱石ペレットの製造方法及び鉄鉱石ペレット

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727815A (en) * 1953-03-10 1955-12-20 Ingvald A Kjellman Method for the smelting of iron ores
JPS5526690B2 (pt) * 1973-06-29 1980-07-15
JPS604891B2 (ja) * 1979-10-09 1985-02-07 株式会社神戸製鋼所 粗粒鉱石含有ペレツト
JPS63219534A (ja) * 1987-03-09 1988-09-13 Kobe Steel Ltd 自溶性ペレットの製造方法
JPH01136937A (ja) * 1987-11-20 1989-05-30 Kobe Steel Ltd 高炉装入用自溶性ペレット
JPH01136936A (ja) 1987-11-20 1989-05-30 Kobe Steel Ltd 高炉装入用自溶性ペレットの製造方法
AU594003B2 (en) * 1987-11-20 1990-02-22 Kabushiki Kaisha Kobe Seiko Sho Self-fluxing pellets to be charged into blast furnace, and method for producing same
JPH02179804A (ja) * 1988-12-28 1990-07-12 Kobe Steel Ltd 高炉操業方法
JPH03247723A (ja) * 1990-02-22 1991-11-05 Kobe Steel Ltd 鉄鉱石ペレット

Also Published As

Publication number Publication date
US20100206131A1 (en) 2010-08-19
BRPI0818372B1 (pt) 2017-06-13
CN101896627B (zh) 2012-06-20
TWI383051B (zh) 2013-01-21
JP2009149942A (ja) 2009-07-09
KR101217392B1 (ko) 2012-12-31
CN101896627A (zh) 2010-11-24
EP2239344A4 (en) 2013-01-09
KR20100084576A (ko) 2010-07-26
JP4418836B2 (ja) 2010-02-24
EP2239344B1 (en) 2016-07-13
TW200948979A (en) 2009-12-01
WO2009081784A1 (ja) 2009-07-02
EP2239344A1 (en) 2010-10-13
US8211204B2 (en) 2012-07-03

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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]