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 esferoidal

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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
Application number
BRPI0909799A
Other languages
English (en)
Inventor
Liu Juren
Wang Yuxin
Original Assignee
Liu Juren
Wang Yuxin
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41064758&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0909799(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Liu Juren, Wang Yuxin filed Critical Liu Juren
Publication of BRPI0909799A2 publication Critical patent/BRPI0909799A2/pt
Publication of BRPI0909799A8 publication Critical patent/BRPI0909799A8/pt
Publication of BRPI0909799B1 publication Critical patent/BRPI0909799B1/pt
Publication of BRPI0909799B8 publication Critical patent/BRPI0909799B8/pt

Links

Classifications

    • 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
    • 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
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (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)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (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.
BRPI0909799A 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 BRPI0909799B8 (pt)

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)

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RU2518879C2 (ru) * 2009-11-25 2014-06-10 Фундасион Инасмет Способ и устройство модифицирования
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
KR20230128104A (ko) * 2021-02-10 2023-09-01 제이에프이 스틸 가부시키가이샤 용융 금속의 탈황 방법
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
CN117206510A (zh) * 2023-09-12 2023-12-12 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

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Also Published As

Publication number Publication date
EP2253724B1 (en) 2020-10-28
BRPI0909799B1 (pt) 2020-11-10
BRPI0909799A8 (pt) 2018-05-22
WO2009111973A1 (zh) 2009-09-17
US8419821B2 (en) 2013-04-16
US20130125704A1 (en) 2013-05-23
EP2253724A4 (en) 2014-08-20
CN101658901A (zh) 2010-03-03
ES2845350T3 (es) 2021-07-26
CN101658901B (zh) 2014-10-29
DK2253724T3 (da) 2021-01-18
KR20100125313A (ko) 2010-11-30
BRPI0909799A2 (pt) 2018-04-03
US20110005351A1 (en) 2011-01-13
US20140033866A1 (en) 2014-02-06
EP2253724A1 (en) 2010-11-24
KR101263418B1 (ko) 2013-05-10
JP5372968B2 (ja) 2013-12-18
US8767793B2 (en) 2014-07-01
JP2011516265A (ja) 2011-05-26

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