AT521739A3 - Process and device for recycling steel mill waste from steel production - Google Patents
Process and device for recycling steel mill waste from steel production Download PDFInfo
- Publication number
- AT521739A3 AT521739A3 ATA50817/2018A AT508172018A AT521739A3 AT 521739 A3 AT521739 A3 AT 521739A3 AT 508172018 A AT508172018 A AT 508172018A AT 521739 A3 AT521739 A3 AT 521739A3
- Authority
- AT
- Austria
- Prior art keywords
- steel
- recycling
- mill waste
- briquettes
- production
- Prior art date
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2200/00—Recycling of non-gaseous waste material
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zum Recycling von Abfällen, die in einem Stahlwerk anfallen. Erfindungsgemäß werden aus mehreren Abfallstoffen Briketts erstellt, wobei ein Anteil an Eisenoxid in den Briketts zumindest 35 Gewichtsprozent beträgt, wonach die Briketts erwärmt und das Eisenoxid zumindest teilweise reduziert wird. Des Weiteren umfasst die Erfindung eine Vorrichtung zur Durchführung eines solchen Verfahrens.The invention relates to a method for recycling waste that occurs in a steelworks. According to the invention, briquettes are created from several waste materials, a proportion of iron oxide in the briquettes being at least 35 percent by weight, after which the briquettes are heated and the iron oxide is at least partially reduced. The invention also comprises a device for carrying out such a method.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50817/2018A AT521739A3 (en) | 2018-09-24 | 2018-09-24 | Process and device for recycling steel mill waste from steel production |
PCT/AT2019/060311 WO2020061600A1 (en) | 2018-09-24 | 2019-09-19 | Method and device for recycling steelworks waste from steel production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50817/2018A AT521739A3 (en) | 2018-09-24 | 2018-09-24 | Process and device for recycling steel mill waste from steel production |
Publications (2)
Publication Number | Publication Date |
---|---|
AT521739A2 AT521739A2 (en) | 2020-04-15 |
AT521739A3 true AT521739A3 (en) | 2021-06-15 |
Family
ID=68062779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ATA50817/2018A AT521739A3 (en) | 2018-09-24 | 2018-09-24 | Process and device for recycling steel mill waste from steel production |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT521739A3 (en) |
WO (1) | WO2020061600A1 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2300889A1 (en) * | 1973-01-09 | 1974-07-18 | Harsco Corp | Processing steel prodn furnace dust residue by-products - - yielding iron oxide rich pellets and spd non-ferrous values |
DE2460290A1 (en) * | 1973-12-19 | 1975-07-03 | Ferro Carb Agglomeration | TREATMENT METHODS FOR DUST CONTAINING ZINC |
DE2728603A1 (en) * | 1976-06-25 | 1977-12-29 | Japan Metals & Chem Co Ltd | METHOD FOR TREATMENT OF PLATING SLUDGE |
US4491475A (en) * | 1984-02-08 | 1985-01-01 | Aluminum Company Of America | Constant rate briquette feeding system |
DE102007058125A1 (en) * | 2007-11-30 | 2009-07-02 | Chemische Fabrik Budenheim Kg | Metal residues and carbon carriers containing molding |
EP2194350A1 (en) * | 2007-10-04 | 2010-06-09 | Consejo Superior De Investigaciones Científicas | Modified induction furnace and method for removing zinc-containing metallurgical waste, with recovery of the metals therefrom |
AU2009232786B2 (en) * | 2008-03-31 | 2013-02-21 | Nippon Steel Corporation | Producing Method of Reduced Iron |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6120577A (en) * | 1998-03-25 | 2000-09-19 | Ltv Steel Company, Inc. | Treatment of steel mill waste metal oxides |
JP2001081509A (en) * | 1999-09-10 | 2001-03-27 | Mitsubishi Heavy Ind Ltd | Production of reduced iron and apparatus therefor |
US8636824B2 (en) * | 2007-05-28 | 2014-01-28 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Production method for carbonaceous material-containing metal oxide briquettes |
JP4348387B2 (en) * | 2007-10-19 | 2009-10-21 | 新日本製鐵株式会社 | Method for producing pre-reduced iron |
-
2018
- 2018-09-24 AT ATA50817/2018A patent/AT521739A3/en not_active Application Discontinuation
-
2019
- 2019-09-19 WO PCT/AT2019/060311 patent/WO2020061600A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2300889A1 (en) * | 1973-01-09 | 1974-07-18 | Harsco Corp | Processing steel prodn furnace dust residue by-products - - yielding iron oxide rich pellets and spd non-ferrous values |
DE2460290A1 (en) * | 1973-12-19 | 1975-07-03 | Ferro Carb Agglomeration | TREATMENT METHODS FOR DUST CONTAINING ZINC |
DE2728603A1 (en) * | 1976-06-25 | 1977-12-29 | Japan Metals & Chem Co Ltd | METHOD FOR TREATMENT OF PLATING SLUDGE |
US4491475A (en) * | 1984-02-08 | 1985-01-01 | Aluminum Company Of America | Constant rate briquette feeding system |
EP2194350A1 (en) * | 2007-10-04 | 2010-06-09 | Consejo Superior De Investigaciones Científicas | Modified induction furnace and method for removing zinc-containing metallurgical waste, with recovery of the metals therefrom |
DE102007058125A1 (en) * | 2007-11-30 | 2009-07-02 | Chemische Fabrik Budenheim Kg | Metal residues and carbon carriers containing molding |
AU2009232786B2 (en) * | 2008-03-31 | 2013-02-21 | Nippon Steel Corporation | Producing Method of Reduced Iron |
Also Published As
Publication number | Publication date |
---|---|
WO2020061600A1 (en) | 2020-04-02 |
AT521739A2 (en) | 2020-04-15 |
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Effective date: 20220315 |