BRPI0909727A2 - reduced iron production method - Google Patents

reduced iron production method

Info

Publication number: BRPI0909727A2
Authority: BR; Brazil
Prior art keywords: production method; reduced iron; iron production; reduced; production
Prior art date: 2008-03-31

Application number

BRPI0909727A

Other languages

Portuguese (pt)

Inventor

Fukuda Kazuhisa

Oonuki Kazuo

Satoh Takanori

Sawai Takashi

Nagai Wataru

Kuwauchi Yuki

Original Assignee

Nippon Steel Corp

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.)

2008-03-31

Filing date

2009-03-30

Publication date

2017-10-10

2009-03-30 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2017-10-10 Publication of BRPI0909727A2 publication Critical patent/BRPI0909727A2/en

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1

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
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic
- C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Manufacture And Refinement Of Metals (AREA)
Manufacture Of Iron (AREA)

BRPI0909727A 2008-03-31 2009-03-30 reduced iron production method BRPI0909727A2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2008093344		2008-03-31
JP2008306789		2008-12-01
PCT/JP2009/056499 WO2009123115A1 (en)	2008-03-31	2009-03-30	Process for production of reduced iron

Publications (1)

Publication Number	Publication Date
BRPI0909727A2 true BRPI0909727A2 (en)	2017-10-10

Family

ID=41135489

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0909727A BRPI0909727A2 (en)	2008-03-31	2009-03-30	reduced iron production method

Country Status (7)

Country	Link
JP (1)	JP4603626B2 (en)
KR (1)	KR101177205B1 (en)
CN (1)	CN101981209B (en)
AU (1)	AU2009232786B2 (en)
BR (1)	BRPI0909727A2 (en)
TW (1)	TWI396749B (en)
WO (1)	WO2009123115A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102803523A (en) *	2010-03-25	2012-11-28	株式会社神户制钢所	Carbon-material-containing iron oxide briquette composition, method for producing same, and method for producing reduced iron using same
JP5503364B2 (en) *	2010-03-25	2014-05-28	株式会社神戸製鋼所	Carbonaceous material agglomerated material, method for producing the same, and method for producing reduced iron using the same
JP5503495B2 (en) *	2010-03-25	2014-05-28	株式会社神戸製鋼所	Carbonaceous material agglomerated material, method for producing the same, and method for producing reduced iron using the same
JP5598399B2 (en) *	2011-03-29	2014-10-01	新日鐵住金株式会社	Method for producing reduced iron
JP6235439B2 (en) *	2014-09-10	2017-11-22	株式会社神戸製鋼所	Manufacturing method of granular metallic iron
KR101704351B1 (en)	2016-07-06	2017-02-08	서울대학교산학협력단	Manufacturing method of reduced iron using electrowinning and reduced iron manufactured thereof
CN106702068B (en) *	2016-12-16	2018-06-08	唐竹胜	A kind of vehicle converter device of wide end surface direct reduced iron
AT521739A3 (en) *	2018-09-24	2021-06-15	Anrin Bhattacharyya	Process and device for recycling steel mill waste from steel production
JP7552881B2 (en) *	2022-04-11	2024-09-18	Ｊｆｅスチール株式会社	Blast furnace operation method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4239530A (en) *	1979-01-10	1980-12-16	Board Of Control Of Michigan Technological University	Process for producing metallized iron pellets
JP3502064B2 (en)	2000-08-30	2004-03-02	株式会社神戸製鋼所	Method for producing agglomerates of ironmaking raw materials
JP2002241520A (en) *	2001-02-13	2002-08-28	Sumitomo Bakelite Co Ltd	Manufacturing method of laminated board
JP4762420B2 (en) *	2001-02-20	2011-08-31	住友重機械工業株式会社	Method of smelting reduction of iron oxide using a rotary kiln
JP4669189B2 (en) *	2001-06-18	2011-04-13	株式会社神戸製鋼所	Production of granular metallic iron
JP4116874B2 (en)	2002-12-05	2008-07-09	株式会社神戸製鋼所	Liquid iron manufacturing method
JP4167101B2 (en) *	2003-03-20	2008-10-15	株式会社神戸製鋼所	Production of granular metallic iron
JP5047468B2 (en)	2005-03-31	2012-10-10	新日本製鐵株式会社	Method for producing reduced iron

2009
- 2009-03-30 WO PCT/JP2009/056499 patent/WO2009123115A1/en not_active Ceased
- 2009-03-30 KR KR1020107021414A patent/KR101177205B1/en active Active
- 2009-03-30 JP JP2010505900A patent/JP4603626B2/en active Active
- 2009-03-30 CN CN200980111433.1A patent/CN101981209B/en active Active
- 2009-03-30 BR BRPI0909727A patent/BRPI0909727A2/en active Search and Examination
- 2009-03-30 AU AU2009232786A patent/AU2009232786B2/en active Active
- 2009-03-31 TW TW098110616A patent/TWI396749B/en active

Also Published As

Publication number	Publication date
TWI396749B (en)	2013-05-21
AU2009232786A1 (en)	2009-10-08
WO2009123115A1 (en)	2009-10-08
AU2009232786B2 (en)	2013-02-21
CN101981209B (en)	2013-06-26
KR101177205B1 (en)	2012-08-24
TW200948980A (en)	2009-12-01
CN101981209A (en)	2011-02-23
JP4603626B2 (en)	2010-12-22
JPWO2009123115A1 (en)	2011-07-28
KR20100116692A (en)	2010-11-01

Legal Events

Date	Code	Title	Description
2017-11-28	B25D	Requested change of name of applicant approved	Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)
2019-01-22	B06F	Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
2019-07-16	B06T	Formal requirements before examination
2019-08-27	B25D	Requested change of name of applicant approved	Owner name: NIPPON STEEL CORPORATION (JP)
2020-10-13	B09A	Decision: intention to grant
2021-01-26	B11D	Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time

Publication	Publication Date	Title
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BRPI1009769A2 (en)	2016-03-15	"iron orthophosphate production"
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EP2309852A4 (en)	2011-08-24	Novel method
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BRPI0818676A2 (en)	2015-04-14	Direct reduced iron production method
BRPI0917899A2 (en)	2015-12-01	iron alloy production
BRPI0908735A2 (en)	2015-07-28	Method for the production of iron ore concentrates.
GB0816258D0 (en)	2008-10-15	Process
GB2457820B (en)	2010-09-08	Production process
BRPI1013520A2 (en)	2016-06-28	iron
BRPI0815419A2 (en)	2015-02-03	PRODUCTION METHOD
GB0803960D0 (en)	2008-04-09	Process
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ZA201006341B (en)	2011-12-28	Process