FI20155762A - Menetelmät ja järjestelmät ferrokromin valmistamiseksi duplexuunissa - Google Patents
Menetelmät ja järjestelmät ferrokromin valmistamiseksi duplexuunissaInfo
- Publication number
- FI20155762A FI20155762A FI20155762A FI20155762A FI20155762A FI 20155762 A FI20155762 A FI 20155762A FI 20155762 A FI20155762 A FI 20155762A FI 20155762 A FI20155762 A FI 20155762A FI 20155762 A FI20155762 A FI 20155762A
- Authority
- FI
- Finland
- Prior art keywords
- ferrochrome
- systems
- production
- methods
- duplex furnace
- Prior art date
Links
- 229910000604 Ferrochrome Inorganic materials 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
-
- 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
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361830189P | 2013-06-03 | 2013-06-03 | |
PCT/US2014/040246 WO2014197315A1 (en) | 2013-06-03 | 2014-05-30 | Methods and systems for producing ferro-chrome in a duplex furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20155762A true FI20155762A (fi) | 2015-10-26 |
Family
ID=51983632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20155762A FI20155762A (fi) | 2013-06-03 | 2015-10-26 | Menetelmät ja järjestelmät ferrokromin valmistamiseksi duplexuunissa |
Country Status (7)
Country | Link |
---|---|
US (1) | US9695492B2 (fi) |
CN (1) | CN105264099B (fi) |
BR (1) | BR112015028930A2 (fi) |
FI (1) | FI20155762A (fi) |
RU (1) | RU2639741C2 (fi) |
WO (1) | WO2014197315A1 (fi) |
ZA (1) | ZA201507841B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10508319B1 (en) * | 2019-06-27 | 2019-12-17 | MM Metals USA, LLC | Method and system for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby |
WO2023096525A1 (ru) * | 2021-11-28 | 2023-06-01 | Татьяна Михайловна ПАРПОЛИТО | Печь для производства феррохромовых сплавов |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2656725C2 (de) * | 1976-12-15 | 1982-12-23 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum kontinuierlichen Erschmelzen von Ferrochrom |
ZW18288A1 (en) * | 1988-01-05 | 1989-04-19 | Middelburg Steel & Alloys Pty | Sulphur and silicon control in ferrochromium production |
EP0896066A4 (en) * | 1996-11-11 | 2000-07-19 | Sumitomo Metal Ind | METHOD AND DEVICE FOR PRODUCING REDUCED IRON |
DE69932357T2 (de) * | 1998-10-30 | 2006-11-16 | Midrex Technologies, Inc. | Verfahren zur herstellung von eisenschmelze im duplexofen |
US6582491B2 (en) * | 1998-10-30 | 2003-06-24 | Midrex International, B.V. Rotterdam, Zurich Branch | Method for producing molten iron in duplex furnaces |
JP2001213232A (ja) * | 2000-02-04 | 2001-08-07 | Toyota Motor Corp | 車両用減速度制御装置 |
GB0009630D0 (en) * | 2000-04-19 | 2000-06-07 | Adwell Worldwide Inc | Ferroalloy production |
WO2004036131A1 (en) * | 2002-10-15 | 2004-04-29 | Sms Demag Ag | Electric furnace for steel making |
JP4307849B2 (ja) * | 2003-01-07 | 2009-08-05 | 株式会社神戸製鋼所 | クロム含有原料の還元方法 |
-
2014
- 2014-05-30 WO PCT/US2014/040246 patent/WO2014197315A1/en active Application Filing
- 2014-05-30 CN CN201480029977.4A patent/CN105264099B/zh not_active Expired - Fee Related
- 2014-05-30 US US14/291,701 patent/US9695492B2/en active Active
- 2014-05-30 BR BR112015028930A patent/BR112015028930A2/pt not_active IP Right Cessation
- 2014-05-30 RU RU2015151089A patent/RU2639741C2/ru active
-
2015
- 2015-10-21 ZA ZA2015/07841A patent/ZA201507841B/en unknown
- 2015-10-26 FI FI20155762A patent/FI20155762A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2639741C2 (ru) | 2017-12-22 |
ZA201507841B (en) | 2016-07-27 |
RU2015151089A (ru) | 2017-06-02 |
US20140352494A1 (en) | 2014-12-04 |
BR112015028930A2 (pt) | 2017-07-25 |
WO2014197315A1 (en) | 2014-12-11 |
US9695492B2 (en) | 2017-07-04 |
CN105264099A (zh) | 2016-01-20 |
CN105264099B (zh) | 2018-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |