BRPI0909799B8 - método de processamento de ferro fundido de grafita esferoidal para evitar a esferoidização degradada e a queda da temperatura do mesmo, forno elétrico para processamento de ferro fundido de grafita esferoidal, dispositivo de forno elétrico para processamento de ferro fundido de grafita esferoidal - Google Patents
método de processamento de ferro fundido de grafita esferoidal para evitar a esferoidização degradada e a queda da temperatura do mesmo, forno elétrico para processamento de ferro fundido de grafita esferoidal, dispositivo de forno elétrico para processamento de ferro fundido de grafita esferoidalInfo
- Publication number
- BRPI0909799B8 BRPI0909799B8 BRPI0909799A BRPI0909799A BRPI0909799B8 BR PI0909799 B8 BRPI0909799 B8 BR PI0909799B8 BR PI0909799 A BRPI0909799 A BR PI0909799A BR PI0909799 A BRPI0909799 A BR PI0909799A BR PI0909799 B8 BRPI0909799 B8 BR PI0909799B8
- Authority
- BR
- Brazil
- Prior art keywords
- spheroidal graphite
- cast iron
- graphite cast
- iron processing
- electric furnace
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/06—Special casting characterised by the nature of the product by its physical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/04—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like tiltable
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
- C21C1/105—Nodularising additive agents
-
- 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
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/20—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (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)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
método para tratar ferro de grafite esferoidal e o dispositivo de escoamento deste. um método para tratar o ferro da grafite esferoidal inclui as etapas de: escoamento de ferro fundido da grafite esferoidal em uma fornalha elétrica de escoamento (1); cobrir o ferro da grafite esferoidal derretido (5) com a escória do álcali (6) que é derretida em alta temperatura e é rica em íon do metal terroso do álcali, íon do metal terroso raro, ou uma mistura destes; conectando o ferro fundido da grafite esferoidal (5) com o pólo negativo da fonte de corrente contínua por um pólo (7); conectando a escória do álcali (6) com o pólo positivo da fonte de corrente contínua por um outro pólo (4), tratando o ferro fundido da grafite esferoidal (5) com a escória do álcali (6) que é usada como o eletrólito. o método pode impedir o desvanecimento da velocidade de esferoidização do ferro da grafite esferoidal. a fornalha elétrica de escoamento pode ser usada tratando o ferro fundido da grafite esferoidal.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100546049 | 2008-03-10 | ||
CN200810054604.9A CN101658901B (zh) | 2008-03-10 | 2008-03-10 | 避免球铁铁液在浇注过程中发生球化衰退和降低浇注温度的处理方法及专用浇注设备 |
PCT/CN2009/070702 WO2009111973A1 (zh) | 2008-03-10 | 2009-03-09 | 避免球铁铁液在浇注过程中发生球化衰退和降低浇注温度的处理方法及专用浇注设备 |
Publications (4)
Publication Number | Publication Date |
---|---|
BRPI0909799A2 BRPI0909799A2 (pt) | 2018-04-03 |
BRPI0909799A8 BRPI0909799A8 (pt) | 2018-05-22 |
BRPI0909799B1 BRPI0909799B1 (pt) | 2020-11-10 |
BRPI0909799B8 true BRPI0909799B8 (pt) | 2021-03-16 |
Family
ID=41064758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0909799A BRPI0909799B8 (pt) | 2008-03-10 | 2009-03-09 | método de processamento de ferro fundido de grafita esferoidal para evitar a esferoidização degradada e a queda da temperatura do mesmo, forno elétrico para processamento de ferro fundido de grafita esferoidal, dispositivo de forno elétrico para processamento de ferro fundido de grafita esferoidal |
Country Status (9)
Country | Link |
---|---|
US (3) | US8419821B2 (pt) |
EP (1) | EP2253724B1 (pt) |
JP (1) | JP5372968B2 (pt) |
KR (1) | KR101263418B1 (pt) |
CN (1) | CN101658901B (pt) |
BR (1) | BRPI0909799B8 (pt) |
DK (1) | DK2253724T3 (pt) |
ES (1) | ES2845350T3 (pt) |
WO (1) | WO2009111973A1 (pt) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8920532B2 (en) * | 2009-11-25 | 2014-12-30 | Fundacion Tecnalia Research & Innovation | Inoculation process and device |
RU2480531C1 (ru) * | 2011-10-03 | 2013-04-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Камская государственная инженерно-экономическая академия" (ИНЭКА) | Термитная смесь |
CN103521744B (zh) * | 2013-10-14 | 2015-08-12 | 南昌大学 | 一种半固态浆料接注装置 |
CN104624986B (zh) * | 2015-01-16 | 2016-09-14 | 遵义拓特铸锻有限公司 | 一种平底塞杆式底注钢水包球化处理的工艺方法 |
CN109014163A (zh) * | 2018-08-21 | 2018-12-18 | 河北丰维机械制造有限公司 | 一种用于茶壶浇包的铁水浮渣过滤方法 |
JP6798575B2 (ja) | 2019-04-24 | 2020-12-09 | Jfeスチール株式会社 | 溶融金属の脱硫方法 |
WO2021094646A1 (en) * | 2019-11-15 | 2021-05-20 | Masercata Oy | Direct current electric arc furnace |
TWI731682B (zh) * | 2020-05-14 | 2021-06-21 | 中國鋼鐵股份有限公司 | 盛裝鐵水的爐襯作業層結構 |
CN113926865B (zh) * | 2020-06-29 | 2024-03-08 | 宝山钢铁股份有限公司 | 铸坯夹渣预报方法、机清控制方法、计算设备及存储介质 |
CN112658241B (zh) * | 2020-12-10 | 2022-11-08 | 东北大学 | 一种通过施加界面电场防止稀土钢水口脱碳及反应行为的方法 |
WO2022172568A1 (ja) * | 2021-02-10 | 2022-08-18 | Jfeスチール株式会社 | 溶融金属の脱硫方法 |
GB202108524D0 (en) * | 2021-06-15 | 2021-07-28 | Eestech Inc | Improved smelting system |
CN115592105B (zh) * | 2022-12-16 | 2023-03-10 | 河北兴盛机械有限公司 | 低温高韧球墨铸铁生产用浇铸设备 |
CN117206510B (zh) * | 2023-09-12 | 2024-06-14 | 中钢集团洛阳耐火材料研究院有限公司 | 一种防止整体塞棒结瘤的方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1266469A (fr) * | 1958-02-17 | 1961-07-17 | Procédé d'addition à des bains de métaux ferreux de métaux divers, notamment alcalins et alcalino-terreux, au moyen d'une électrolyse | |
US3203883A (en) * | 1961-07-01 | 1965-08-31 | Rcsearch Inst For Iron Steel A | Method of refining molten metals by electrolyzing molten slag under arc discharge |
FR2265866B1 (pt) * | 1974-03-27 | 1976-12-17 | Siderurgie Fse Inst Rech | |
JPS6022043B2 (ja) * | 1978-03-14 | 1985-05-30 | トヨタ自動車株式会社 | 溶融スラグによる黒鉛球状化処理法 |
AT363112B (de) * | 1979-04-18 | 1981-07-10 | Elin Union Ag | Verfahren zur konservierung von magnesiumhaltigen gusseisenschmelzen ueber laengere zeitraeume |
JPS5845308A (ja) | 1981-09-11 | 1983-03-16 | Chobe Taguchi | 溶銑へのCaの添加法 |
JPS58185712A (ja) * | 1982-04-20 | 1983-10-29 | Japan Metals & Chem Co Ltd | 鉄鋼の脱りん方法 |
JPS6013014A (ja) * | 1983-06-30 | 1985-01-23 | Ishikawajima Harima Heavy Ind Co Ltd | 取鍋精錬装置 |
DE3409255A1 (de) * | 1984-03-14 | 1985-12-12 | Didier-Werke Ag, 6200 Wiesbaden | Herdboden, besonders fuer gleichstrom-lichtbogenoefen |
US4744875A (en) * | 1985-05-21 | 1988-05-17 | The United States Of America As Represented By The United States Department Of Energy | Steel refining with an electrochemical cell |
JPS6447805A (en) * | 1987-08-19 | 1989-02-22 | Nippon Kokan Kk | Production of silicon-containing cast iron |
CN1007358B (zh) * | 1987-10-09 | 1990-03-28 | 北京科技大学 | 一种电渣精炼冲天炉铸造铁水工艺 |
JP2537574B2 (ja) * | 1990-12-14 | 1996-09-25 | 川崎製鉄株式会社 | 炉底電極を備えた直流電気炉 |
JPH06320255A (ja) * | 1993-05-12 | 1994-11-22 | Fuji Electric Co Ltd | 球状黒鉛鋳鉄品用の加圧式注湯炉 |
FR2705363B1 (fr) * | 1993-05-13 | 1995-08-11 | Clecim Sa | Procédé de fusion de ferraille dans un four électrique et installation pour la mise en Óoeuvre du procédé. |
EP0754746B1 (en) * | 1994-04-07 | 1998-09-02 | Nippon Steel Chemical Co., Ltd. | Needle coke for graphite electrode and process for producing the same |
JPH11302719A (ja) * | 1998-04-24 | 1999-11-02 | Ishikawajima Harima Heavy Ind Co Ltd | 製鋼スラグから不純物を除去する方法 |
JP3672832B2 (ja) * | 2001-03-07 | 2005-07-20 | 日本鋳鉄管株式会社 | ダクタイル鋳鉄管及びその製造方法 |
CN201217070Y (zh) * | 2008-03-10 | 2009-04-08 | 王宇新 | 避免球铁铁液在浇注过程中发生球化衰退和降低浇注温度的浇注电炉 |
-
2008
- 2008-03-10 CN CN200810054604.9A patent/CN101658901B/zh not_active Expired - Fee Related
-
2009
- 2009-03-09 ES ES09720093T patent/ES2845350T3/es active Active
- 2009-03-09 US US12/922,091 patent/US8419821B2/en active Active
- 2009-03-09 DK DK09720093.5T patent/DK2253724T3/da active
- 2009-03-09 KR KR1020107020345A patent/KR101263418B1/ko active IP Right Grant
- 2009-03-09 EP EP09720093.5A patent/EP2253724B1/en active Active
- 2009-03-09 WO PCT/CN2009/070702 patent/WO2009111973A1/zh active Application Filing
- 2009-03-09 BR BRPI0909799A patent/BRPI0909799B8/pt active IP Right Grant
- 2009-03-09 JP JP2010550020A patent/JP5372968B2/ja active Active
-
2012
- 2012-11-20 US US13/681,473 patent/US8767793B2/en active Active
-
2013
- 2013-10-07 US US14/047,530 patent/US20140033866A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN101658901A (zh) | 2010-03-03 |
ES2845350T3 (es) | 2021-07-26 |
DK2253724T3 (da) | 2021-01-18 |
US8419821B2 (en) | 2013-04-16 |
US20140033866A1 (en) | 2014-02-06 |
KR101263418B1 (ko) | 2013-05-10 |
BRPI0909799B1 (pt) | 2020-11-10 |
JP2011516265A (ja) | 2011-05-26 |
BRPI0909799A2 (pt) | 2018-04-03 |
WO2009111973A1 (zh) | 2009-09-17 |
JP5372968B2 (ja) | 2013-12-18 |
EP2253724B1 (en) | 2020-10-28 |
US20130125704A1 (en) | 2013-05-23 |
US20110005351A1 (en) | 2011-01-13 |
CN101658901B (zh) | 2014-10-29 |
EP2253724A1 (en) | 2010-11-24 |
EP2253724A4 (en) | 2014-08-20 |
US8767793B2 (en) | 2014-07-01 |
BRPI0909799A8 (pt) | 2018-05-22 |
KR20100125313A (ko) | 2010-11-30 |
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B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
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