EA200600302A1 - Способ загрузки мелкозернистых металлов в электрическую дуговую печь - Google Patents
Способ загрузки мелкозернистых металлов в электрическую дуговую печьInfo
- Publication number
- EA200600302A1 EA200600302A1 EA200600302A EA200600302A EA200600302A1 EA 200600302 A1 EA200600302 A1 EA 200600302A1 EA 200600302 A EA200600302 A EA 200600302A EA 200600302 A EA200600302 A EA 200600302A EA 200600302 A1 EA200600302 A1 EA 200600302A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- furnace
- fine
- electric arc
- arc furnace
- loading
- Prior art date
Links
Classifications
-
- 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
- C21C5/527—Charging of the electric 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
-
- 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
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
В соответствии с предложенным способом загрузки в электрическую дуговую печь (1) мелкозернистых металлов, в частности, железа, полученного методом прямого восстановления, металл, подводимый через подающую трубу (12) к отверстию (10), выполненному в своде (4) печи, вводят в печь (1) через указанное отверстие (10) в виде потока (11) сыпучего материала, при этом металл падает на расплав (13) только за счет гравитации. Кроме того, описана электрическая дуговая печь (1), подходящая для этой цели. Ввод в значительной степени без потерь даже мелкозернистого материала с размером зерна менее 1 мм достигается за счет пропускания потока (11) сыпучего материала после прохождения подводящей трубы (12), до его поступления в печь (1), через дозирующее сопло (8). В результате поток (11) сыпучего материала входит в печь, по существу, невозмущенным.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10333764A DE10333764B3 (de) | 2003-07-23 | 2003-07-23 | Verfahren zum Chargieren von feinkörnigen Metallen in einen Elektrolichtbogenofen |
PCT/EP2004/007153 WO2005014868A1 (en) | 2003-07-23 | 2004-07-01 | Method of charging fine-grained metals into an electric-arc furnace |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200600302A1 true EA200600302A1 (ru) | 2006-06-30 |
EA008735B1 EA008735B1 (ru) | 2007-08-31 |
Family
ID=33483049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200600302A EA008735B1 (ru) | 2003-07-23 | 2004-07-01 | Способ загрузки мелкозернистых металлов в электрическую дуговую печь |
Country Status (15)
Country | Link |
---|---|
US (1) | US8391331B2 (ru) |
EP (1) | EP1660688B1 (ru) |
KR (1) | KR20060111902A (ru) |
CN (1) | CN1826417B (ru) |
AR (1) | AR045075A1 (ru) |
AT (1) | ATE350496T1 (ru) |
AU (1) | AU2004263608B2 (ru) |
BR (1) | BRPI0412256B1 (ru) |
CA (1) | CA2532927C (ru) |
DE (2) | DE10333764B3 (ru) |
EA (1) | EA008735B1 (ru) |
ES (1) | ES2279390T3 (ru) |
TW (1) | TW200508400A (ru) |
WO (1) | WO2005014868A1 (ru) |
ZA (1) | ZA200600897B (ru) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1993325B1 (en) * | 2007-04-09 | 2011-09-14 | GrafTech International Holdings Inc. | Graphite electrode of increased length |
DE102010045825A1 (de) * | 2010-09-20 | 2012-03-22 | Intracon Gmbh | Chargierschacht-System und Verfahren zum Befüllen |
US9013778B2 (en) | 2013-03-06 | 2015-04-21 | Sage Electrochromics, Inc. | Laser cuts to reduce electrical leakage |
US9152001B2 (en) | 2013-07-25 | 2015-10-06 | Sage Electrochromics, Inc. | Electrochromic devices having improved structure for reducing current leakage across lower transparent conductor layers |
US20150153622A1 (en) | 2013-12-03 | 2015-06-04 | Sage Electrochromics, Inc. | Methods for producing lower electrical isolation in electrochromic films |
JP2020508491A (ja) | 2017-02-27 | 2020-03-19 | セイジ・エレクトロクロミクス,インコーポレイテッド | 基板および透明導電層を含む電気デバイスおよびその形成プロセス |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258328A (en) * | 1962-08-23 | 1966-06-28 | Fuji Iron & Steel Co Ltd | Method and apparatus for treating steel |
DE1217415B (de) * | 1964-05-21 | 1966-05-26 | Gussstahlwerk Oberkassel Ag Vo | Verfahren zum Absaugen der Ofengase und zum Regeln des Ofendruckes eines Lichtbogenofens, insbesondere fuer die Stahlerzeugung und Vorrichtung zur Durchfuehrung des Verfahrens |
FR1536190A (fr) * | 1965-09-03 | 1968-08-27 | Metallgesellschaft Ag The Stee | Procédé de préparation d'acier au four électrique |
US3472650A (en) * | 1965-09-03 | 1969-10-14 | Canada Steel Co | Electric-arc steelmaking |
US3385494A (en) * | 1966-09-15 | 1968-05-28 | Strategic Material Corp | Scrap melting |
GB1193527A (en) * | 1968-10-04 | 1970-06-03 | Ch Metall Zd | Electric-Arc Furnace for Melting Synthetic Slag. |
BE755725A (fr) * | 1969-10-23 | 1971-02-15 | Huettenwerk Oberhausen Ag | Four a arc pourvu d'un dispositif chargeur d'eponge de fer |
US4262057A (en) | 1979-06-21 | 1981-04-14 | Detrex Chemical Industries, Inc. | Metal drawing compound composition and method of use |
GB2115011B (en) * | 1982-02-17 | 1985-12-04 | British Steel Corp | Improvements in or relating to a process for melting and/or refining steel |
US4514218A (en) * | 1984-06-06 | 1985-04-30 | Daidotokushuko Kabushikikaisha | Reduced iron melting method using electric arc furnace |
FR2681937A3 (en) * | 1991-09-30 | 1993-04-02 | Irsid | Device for continuously loading metallic products in loose form into a metallurgical furnace and metallurgical furnace equipped with a loading device |
AT400245B (de) * | 1993-12-10 | 1995-11-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze |
DE19608532A1 (de) * | 1996-02-09 | 1997-08-14 | Eisenbau Essen Gmbh | Verfahren zum Kühlen einer oder mehrerer Elektroden in einem Lichtbogenofen |
DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
LU90327B1 (fr) * | 1998-12-16 | 2000-07-18 | Wurth Paul Sa | Proc-d- pour l'enfournement de fines dans un four - arc |
DE19945489A1 (de) | 1999-09-22 | 2001-04-05 | Sms Demag Ag | Verfahren und Einrichtung zum Einbringen von Schüttgut in ein metallurgisches Gefäss |
AT408663B (de) * | 2000-05-31 | 2002-02-25 | Voest Alpine Ind Anlagen | Verfahren zum einschmelzen von eisenschwamm sowie elektrolichtbogenofen zur durchführung des verfahrens |
-
2003
- 2003-07-23 DE DE10333764A patent/DE10333764B3/de not_active Expired - Fee Related
-
2004
- 2004-07-01 CA CA2532927A patent/CA2532927C/en not_active Expired - Fee Related
- 2004-07-01 AT AT04740520T patent/ATE350496T1/de active
- 2004-07-01 ZA ZA200600897A patent/ZA200600897B/en unknown
- 2004-07-01 AU AU2004263608A patent/AU2004263608B2/en not_active Ceased
- 2004-07-01 CN CN200480021306XA patent/CN1826417B/zh not_active Expired - Fee Related
- 2004-07-01 DE DE602004004159T patent/DE602004004159T2/de not_active Expired - Lifetime
- 2004-07-01 ES ES04740520T patent/ES2279390T3/es not_active Expired - Lifetime
- 2004-07-01 KR KR1020067001568A patent/KR20060111902A/ko not_active Application Discontinuation
- 2004-07-01 EP EP04740520A patent/EP1660688B1/en not_active Expired - Lifetime
- 2004-07-01 WO PCT/EP2004/007153 patent/WO2005014868A1/en active IP Right Grant
- 2004-07-01 EA EA200600302A patent/EA008735B1/ru not_active IP Right Cessation
- 2004-07-01 US US10/566,033 patent/US8391331B2/en not_active Expired - Fee Related
- 2004-07-01 BR BRPI0412256-9A patent/BRPI0412256B1/pt not_active IP Right Cessation
- 2004-07-19 TW TW093121469A patent/TW200508400A/zh unknown
- 2004-07-22 AR ARP040102602A patent/AR045075A1/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ATE350496T1 (de) | 2007-01-15 |
AR045075A1 (es) | 2005-10-12 |
DE602004004159D1 (de) | 2007-02-15 |
KR20060111902A (ko) | 2006-10-30 |
US8391331B2 (en) | 2013-03-05 |
US20070082312A1 (en) | 2007-04-12 |
CN1826417B (zh) | 2012-06-20 |
DE10333764B3 (de) | 2004-12-30 |
DE602004004159T2 (de) | 2007-10-11 |
ZA200600897B (en) | 2007-05-30 |
CN1826417A (zh) | 2006-08-30 |
CA2532927A1 (en) | 2005-02-17 |
TW200508400A (en) | 2005-03-01 |
AU2004263608A1 (en) | 2005-02-17 |
BRPI0412256B1 (pt) | 2015-06-09 |
EP1660688A1 (en) | 2006-05-31 |
WO2005014868A1 (en) | 2005-02-17 |
AU2004263608B2 (en) | 2009-07-23 |
BRPI0412256A (pt) | 2006-09-19 |
CA2532927C (en) | 2011-09-06 |
ES2279390T3 (es) | 2007-08-16 |
EP1660688B1 (en) | 2007-01-03 |
EA008735B1 (ru) | 2007-08-31 |
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Legal Events
Date | Code | Title | Description |
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MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG MD TJ TM |
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PD4A | Registration of transfer of a eurasian patent in accordance with the succession in title | ||
TC4A | Change in name of a patent proprietor in a eurasian patent | ||
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): KZ RU |