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EA201992435A1 - METHOD OF PRODUCING METAL INGOT - Google Patents

METHOD OF PRODUCING METAL INGOT

Info

Publication number
EA201992435A1
EA201992435A1 EA201992435A EA201992435A EA201992435A1 EA 201992435 A1 EA201992435 A1 EA 201992435A1 EA 201992435 A EA201992435 A EA 201992435A EA 201992435 A EA201992435 A EA 201992435A EA 201992435 A1 EA201992435 A1 EA 201992435A1
Authority
EA
Eurasian Patent Office
Prior art keywords
molten metal
metal
bath
supply line
ingot
Prior art date
Application number
EA201992435A
Other languages
Russian (ru)
Other versions
EA039286B1 (en
Inventor
Хитоси Фунагане
Кендзи Хамаоги
Original Assignee
Ниппон Стил Корпорейшн
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 Ниппон Стил Корпорейшн filed Critical Ниппон Стил Корпорейшн
Priority claimed from PCT/JP2018/015536 external-priority patent/WO2018190419A1/en
Publication of EA201992435A1 publication Critical patent/EA201992435A1/en
Publication of EA039286B1 publication Critical patent/EA039286B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/06—Casting non-ferrous metals with a high melting point, e.g. metallic carbides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/02—Use of electric or magnetic effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
    • 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
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • 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
    • C22B9/16—Remelting metals
    • C22B9/22—Remelting metals with heating by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C14/00—Alloys based on titanium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Environmental & Geological Engineering (AREA)

Abstract

Проблема. Предложить способ производства металлического слитка, который позволял бы ингибировать попадание в слиток примесей, содержавшихся в расплавленном металле в ванне печи. Решение. Способ производства металлического слитка путем использования электронно-лучевой печи, имеющей электронную пушку и ванну, которая накапливает расплавленный металл металлического сырья, в котором металлическое сырье подается в положение на линии подачи, расположенной вдоль второй боковой стенки ванны, которая накапливает расплавленный металл металлического сырья. Первый электронный луч излучается вдоль первой линии облучения, которая расположена вдоль линии подачи и ближе к центральной части ванны относительно линии подачи на поверхности расплавленного металла. За счет этого температура поверхности (T2) расплавленного металла на первой линии облучения устанавливается более высокой, чем средняя температура (T0) всей поверхности расплавленного металла в ванне, и в наружном слое расплавленного металла формируется первый поток расплавленного металла от первой линии облучения к линии подачи.Problem. To propose a method for the production of a metal ingot, which would make it possible to inhibit the ingress of impurities contained in the molten metal in the furnace bath into the ingot. Solution. A method for producing a metal ingot by using an electron beam furnace having an electron gun and a bath that accumulates the molten metal of the metal raw material, in which the metal raw material is fed to a position on the supply line located along the second side wall of the bath, which accumulates the molten metal of the metal raw material. The first electron beam is emitted along the first irradiation line, which is located along the supply line and closer to the central part of the bath relative to the supply line on the surface of the molten metal. Due to this, the surface temperature (T2) of the molten metal on the first irradiation line is set higher than the average temperature (T0) of the entire surface of the molten metal in the bath, and the first flow of molten metal is formed in the outer layer of the molten metal from the first irradiation line to the supply line.

EA201992435A 2017-04-13 2018-04-13 Method for producing metal ingot EA039286B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2017-079733 2017-04-13
JP2017-079734 2017-04-13
JP2017079735 2017-04-13
JP2017-079732 2017-04-13
JP2017-079735 2017-04-13
PCT/JP2018/015536 WO2018190419A1 (en) 2017-04-13 2018-04-13 Method for producing metal ingot

Publications (2)

Publication Number Publication Date
EA201992435A1 true EA201992435A1 (en) 2020-02-28
EA039286B1 EA039286B1 (en) 2021-12-28

Family

ID=69636690

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201992435A EA039286B1 (en) 2017-04-13 2018-04-13 Method for producing metal ingot

Country Status (1)

Country Link
EA (1) EA039286B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3759933B2 (en) * 2003-03-13 2006-03-29 東邦チタニウム株式会社 Electron beam melting method for refractory metals
JP5694068B2 (en) * 2011-06-18 2015-04-01 東邦チタニウム株式会社 Melting raw material for metal production and method for melting metal using the same

Also Published As

Publication number Publication date
EA039286B1 (en) 2021-12-28

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