EP2530171A4 - Method for removing impurities in molten cast iron, and cast iron raw material - Google Patents

Method for removing impurities in molten cast iron, and cast iron raw material

Info

Publication number
EP2530171A4
EP2530171A4 EP11736950.4A EP11736950A EP2530171A4 EP 2530171 A4 EP2530171 A4 EP 2530171A4 EP 11736950 A EP11736950 A EP 11736950A EP 2530171 A4 EP2530171 A4 EP 2530171A4
Authority
EP
European Patent Office
Prior art keywords
cast iron
raw material
removing impurities
molten
iron raw
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11736950.4A
Other languages
German (de)
French (fr)
Other versions
EP2530171A1 (en
Inventor
Toshitake Kanno
Ilgoo Kang
Takao Fujikawa
Hiromitsu Takeuchi
Kiyoshi Kinoshita
Hirotoshi Murata
Nobuya Yamamoto
Tatsuo Atsumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimura Chuzosho Co Ltd
Mie Prefecture
Naniwa Roki Co Ltd
Kinoshita Manufactory Co Ltd
SENSHU CORP
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Kimura Chuzosho Co Ltd
Mie Prefecture
Naniwa Roki Co Ltd
Kinoshita Manufactory Co Ltd
SENSHU CORP
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
Application filed by Hitachi Metals Ltd, Kimura Chuzosho Co Ltd, Mie Prefecture, Naniwa Roki Co Ltd, Kinoshita Manufactory Co Ltd, SENSHU CORP filed Critical Hitachi Metals Ltd
Publication of EP2530171A1 publication Critical patent/EP2530171A1/en
Publication of EP2530171A4 publication Critical patent/EP2530171A4/en
Withdrawn legal-status Critical Current

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
    • 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
    • C21C1/08—Manufacture of cast-iron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP11736950.4A 2010-01-28 2011-01-24 Method for removing impurities in molten cast iron, and cast iron raw material Withdrawn EP2530171A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010016251A JP5150654B2 (en) 2010-01-28 2010-01-28 Method for removing impurities in cast iron melt and cast iron raw material
PCT/JP2011/051195 WO2011093237A1 (en) 2010-01-28 2011-01-24 Method for removing impurities in molten cast iron, and cast iron raw material

Publications (2)

Publication Number Publication Date
EP2530171A1 EP2530171A1 (en) 2012-12-05
EP2530171A4 true EP2530171A4 (en) 2015-07-15

Family

ID=44319225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11736950.4A Withdrawn EP2530171A4 (en) 2010-01-28 2011-01-24 Method for removing impurities in molten cast iron, and cast iron raw material

Country Status (6)

Country Link
US (1) US20130195712A1 (en)
EP (1) EP2530171A4 (en)
JP (1) JP5150654B2 (en)
KR (1) KR20130001227A (en)
CN (1) CN102782163B (en)
WO (1) WO2011093237A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747265B (en) * 2012-06-07 2014-02-26 兰州理工大学 Raw materials and method for preparing white cast iron, and white cast iron structure
RU2508417C1 (en) * 2013-03-13 2014-02-27 Юлия Алексеевна Щепочкина Cast iron
RU2529343C1 (en) * 2013-12-12 2014-09-27 Юлия Алексеевна Щепочкина Cast iron
JP6110018B2 (en) * 2014-12-12 2017-04-05 株式会社木下製作所 Method for removing manganese from cast iron
CN104894467A (en) * 2015-06-08 2015-09-09 谢伟杰 Wear-resisting cast iron
WO2017141145A1 (en) * 2016-02-16 2017-08-24 Dominic Sabukutty Method for pre-treatment of molten iron with special grades of iron ore

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653877A (en) * 1969-09-11 1972-04-04 Ryosuke Enya Method of making molten metal for casting
US4130419A (en) * 1977-03-11 1978-12-19 Linde Ag Process for the purification, modification and heating of a cast-iron melt
DE2727093A1 (en) * 1977-06-15 1979-01-04 Linde Ag Removal of manganese and silicon from a cast iron melt - by an oxygen blow and addn. of slag formers
JPH10330816A (en) * 1997-06-05 1998-12-15 Nippon Sanso Kk Production of cast iron

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO128072B (en) * 1969-03-21 1973-09-24 British Steel Corp
US4402739A (en) * 1982-07-13 1983-09-06 Kawasaki Steel Corporation Method of operation of a top-and-bottom blown converter
JPS59126705A (en) * 1983-01-08 1984-07-21 Kubota Ltd Treatment of molten iron
JPS59126706A (en) * 1983-01-08 1984-07-21 Kubota Ltd Treatment of molten iron
JPS61163203A (en) * 1985-01-10 1986-07-23 Nippon Steel Corp Method for removing mn from molten iron
JPH07268432A (en) 1994-04-01 1995-10-17 Hitachi Metals Ltd Production of spheroidal graphite cast iron by rotary furnace utilizing pure oxygen
JP3662348B2 (en) * 1996-06-17 2005-06-22 大陽日酸株式会社 Iron melting furnace and method for producing cast iron
JP4718739B2 (en) 2001-09-27 2011-07-06 新日本製鐵株式会社 Demanganese treatment method for cast iron
WO2003083143A1 (en) 2002-03-28 2003-10-09 Asahi Tec Corporation Method for removing manganese in molten cast iron and method for producing spheroidal graphite cast iron
JP2007332432A (en) * 2006-06-16 2007-12-27 Katsuhiko Yamada Method for refining molten steel
JP2008045165A (en) * 2006-08-12 2008-02-28 Iwate Industrial Research Center Method for removing impurity from molten cast iron
DE102009004189B4 (en) * 2009-01-09 2013-07-25 Man Truck & Bus Ag Component of a cast iron alloy, in particular for cylinder heads

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653877A (en) * 1969-09-11 1972-04-04 Ryosuke Enya Method of making molten metal for casting
US4130419A (en) * 1977-03-11 1978-12-19 Linde Ag Process for the purification, modification and heating of a cast-iron melt
DE2727093A1 (en) * 1977-06-15 1979-01-04 Linde Ag Removal of manganese and silicon from a cast iron melt - by an oxygen blow and addn. of slag formers
JPH10330816A (en) * 1997-06-05 1998-12-15 Nippon Sanso Kk Production of cast iron

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011093237A1 *

Also Published As

Publication number Publication date
JP5150654B2 (en) 2013-02-20
KR20130001227A (en) 2013-01-03
CN102782163A (en) 2012-11-14
WO2011093237A1 (en) 2011-08-04
CN102782163B (en) 2014-12-31
EP2530171A1 (en) 2012-12-05
JP2011153359A (en) 2011-08-11
US20130195712A1 (en) 2013-08-01

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20120814

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20150615

RIC1 Information provided on ipc code assigned before grant

Ipc: C21C 1/04 20060101ALI20150609BHEP

Ipc: C22C 37/00 20060101ALI20150609BHEP

Ipc: C22C 37/10 20060101ALI20150609BHEP

Ipc: C21C 1/08 20060101AFI20150609BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20160113