ZA201603005B - Method and device for providing reducing gas under constant conditions - Google Patents

Method and device for providing reducing gas under constant conditions

Info

Publication number: ZA201603005B
Authority: ZA; South Africa
Prior art keywords: reducing gas; gas under; under constant; constant conditions; providing reducing
Prior art date: 2013-11-20

Application number

ZA201603005A

Inventor

Robert Millner

Gerald Rosenfellner

Josef Stockinger

Original Assignee

Primetals Technologies Austria GmbH

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.)

2013-11-20

Filing date

2016-05-05

Publication date

2019-11-27

2016-05-05 Application filed by Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH

2019-11-27 Publication of ZA201603005B publication Critical patent/ZA201603005B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Manufacture Of Iron (AREA)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Manufacture And Refinement Of Metals (AREA)

ZA201603005A 2013-11-20 2016-05-05 Method and device for providing reducing gas under constant conditions ZA201603005B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP13193606.4A EP2876170A1 (en)	2013-11-20	2013-11-20	Method and device for supplying a reduction gas under constant conditions
PCT/EP2014/074319 WO2015074922A1 (en)	2013-11-20	2014-11-12	Method and device for providing reducing gas under constant conditions

Publications (1)

Publication Number	Publication Date
ZA201603005B true ZA201603005B (en)	2019-11-27

Family

ID=49641566

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA201603005A ZA201603005B (en)	2013-11-20	2016-05-05	Method and device for providing reducing gas under constant conditions

Country Status (9)

Country	Link
EP (1)	EP2876170A1 (en)
JP (1)	JP2017501300A (en)
KR (1)	KR20160088925A (en)
CN (1)	CN106029912A (en)
AU (1)	AU2014352099A1 (en)
CA (1)	CA2926707A1 (en)
RU (1)	RU2016124123A (en)
WO (1)	WO2015074922A1 (en)
ZA (1)	ZA201603005B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE545600C2 (en) *	2021-06-22	2023-11-07	Hybrit Development Ab	Hydrogen gas recycling in a direct reduction process
SE545598C2 (en) *	2021-06-22	2023-11-07	Hybrit Development Ab	A process and a system for the production of sponge iron from iron ore
DE102024114847A1 (en) *	2024-05-27	2025-11-27	Salzgitter Flachstahl Gmbh	Method for operating a direct reduction plant and corresponding direct reduction plant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2653088A (en) *	1951-08-09	1953-09-22	Robert D Pike	Direct production of steel from oxides of iron
DE2459763B2 (en) *	1974-12-18	1976-11-18	Thyssen Purofer GmbH, 4000 Düsseldorf	METHOD OF MANUFACTURING IRON SPONGE
AT385051B (en) *	1986-08-07	1988-02-10	Voest Alpine Ag	MILL PLANT AND METHOD FOR PRODUCING STEEL
JPS63111110A (en) *	1986-10-30	1988-05-16	Mitsubishi Heavy Ind Ltd	Direct reduction apparatus for iron ore
DE3713630A1 (en) *	1987-04-23	1988-11-17	Voest Alpine Ag	Metallurgical plant and process for the manufacture of steel
WO2004101829A2 (en) *	2003-05-15	2004-11-25	Hylsa, S.A. De C.V.	Method and apparatus for improved use of primary energy sources in integrated steel plants
AT507113B1 (en) *	2008-07-17	2010-07-15	Siemens Vai Metals Tech Gmbh	METHOD AND APPARATUS FOR ENERGY AND CO2 EMISSION OPTIMIZED IRON PRODUCTION
AT507525B1 (en) *	2008-10-23	2010-09-15	Siemens Vai Metals Tech Gmbh	METHOD AND DEVICE FOR OPERATING A MELT REDUCTION PROCESS
CA2773589C (en) *	2009-11-24	2014-12-30	Central Iron & Steel Research Institute	Method for iron-making with full oxygen and hydrogen-rich gas and equipment thereof
US8496730B2 (en) *	2010-05-14	2013-07-30	Midrex Technologies, Inc.	System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas
JPWO2013015163A1 (en) *	2011-07-22	2015-02-23	栗田工業株式会社	Wastewater treatment method
EP2584052A1 (en) *	2011-10-19	2013-04-24	Paul Wurth S.A.	Method of operating regenerative heaters in blast furnace plant
EP2650385A1 (en) *	2012-04-12	2013-10-16	Siemens VAI Metals Technologies GmbH	Method and device for the manufacture of liquid pig iron and/or sponge iron

2013
- 2013-11-20 EP EP13193606.4A patent/EP2876170A1/en not_active Withdrawn
2014
- 2014-11-12 JP JP2016532553A patent/JP2017501300A/en active Pending
- 2014-11-12 AU AU2014352099A patent/AU2014352099A1/en not_active Abandoned
- 2014-11-12 CN CN201480063637.3A patent/CN106029912A/en active Pending
- 2014-11-12 KR KR1020167016440A patent/KR20160088925A/en not_active Withdrawn
- 2014-11-12 WO PCT/EP2014/074319 patent/WO2015074922A1/en not_active Ceased
- 2014-11-12 RU RU2016124123A patent/RU2016124123A/en unknown
- 2014-11-12 CA CA2926707A patent/CA2926707A1/en not_active Withdrawn
2016
- 2016-05-05 ZA ZA201603005A patent/ZA201603005B/en unknown

Also Published As

Publication number	Publication date
AU2014352099A1 (en)	2016-04-28
WO2015074922A1 (en)	2015-05-28
EP2876170A1 (en)	2015-05-27
CN106029912A (en)	2016-10-12
CA2926707A1 (en)	2015-05-28
KR20160088925A (en)	2016-07-26
RU2016124123A (en)	2017-12-25
JP2017501300A (en)	2017-01-12

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