BRPI0810521A2 - Pelotas autofundentes apra alto-forno e método para produzir as mesmas. - Google Patents

Pelotas autofundentes apra alto-forno e método para produzir as mesmas.

Info

Publication number
BRPI0810521A2
BRPI0810521A2 BRPI0810521-9A2A BRPI0810521A BRPI0810521A2 BR PI0810521 A2 BRPI0810521 A2 BR PI0810521A2 BR PI0810521 A BRPI0810521 A BR PI0810521A BR PI0810521 A2 BRPI0810521 A2 BR PI0810521A2
Authority
BR
Brazil
Prior art keywords
pellets
oven
goes
self
found
Prior art date
Application number
BRPI0810521-9A2A
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 BRPI0810521A2 publication Critical patent/BRPI0810521A2/pt
Publication of BRPI0810521B1 publication Critical patent/BRPI0810521B1/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
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/02—General features in the manufacture of pig-iron by applying additives, e.g. fluxing 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
    • 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

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)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BRPI0810521-9A 2007-05-08 2008-04-25 Pellets autofundentes para alto-forno BRPI0810521B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007123658A JP4630304B2 (ja) 2007-05-08 2007-05-08 高炉用自溶性ペレットおよびその製造方法
JP2007-123658 2007-05-08
PCT/JP2008/058078 WO2008139893A1 (ja) 2007-05-08 2008-04-25 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
BRPI0810521A2 true BRPI0810521A2 (pt) 2014-10-21
BRPI0810521B1 BRPI0810521B1 (pt) 2019-04-24

Family

ID=40002109

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0810521-9A BRPI0810521B1 (pt) 2007-05-08 2008-04-25 Pellets autofundentes para alto-forno

Country Status (7)

Country Link
JP (1) JP4630304B2 (pt)
CN (1) CN101688254B (pt)
BR (1) BRPI0810521B1 (pt)
RU (1) RU2455371C2 (pt)
TW (1) TWI447231B (pt)
UA (1) UA91662C2 (pt)
WO (1) WO2008139893A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102392087B (zh) * 2011-11-23 2012-09-05 崔涛 高炉用MgO-CaO质球状冶金辅料
AU2017405434B2 (en) * 2017-03-22 2020-05-21 Shougang Group Co., Ltd Ore pellet, preparation method therefor, and preparation equipment
CN109355448B (zh) * 2018-11-13 2020-09-25 包头钢铁（集团）有限责任公司 一种大型高炉配加高比例低硅高镁含氟熔剂性球团的冶炼工艺
JP7596194B2 (ja) * 2021-03-26 2024-12-09 株式会社神戸製鋼所 銑鉄製造方法
JP7689856B2 (ja) * 2021-04-01 2025-06-09 株式会社神戸製鋼所 鉄鉱石ペレットの製造方法
JP7821703B2 (ja) * 2022-08-31 2026-02-27 株式会社神戸製鋼所 銑鉄製造方法
CN119744310A (zh) 2022-09-26 2025-04-01 株式会社神户制钢所 铁矿石球团的制造方法和铁矿石球团
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH11335746A (ja) * 1998-05-27 1999-12-07 Daido Steel Co Ltd ペレット供給装置

Also Published As

Publication number Publication date
CN101688254A (zh) 2010-03-31
UA91662C2 (ru) 2010-08-10
JP2008280556A (ja) 2008-11-20
JP4630304B2 (ja) 2011-02-09
TWI447231B (zh) 2014-08-01
CN101688254B (zh) 2015-07-15
WO2008139893A1 (ja) 2008-11-20
TW200925289A (en) 2009-06-16
RU2455371C2 (ru) 2012-07-10
BRPI0810521B1 (pt) 2019-04-24
RU2009145277A (ru) 2011-06-20

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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