EP1845325A4 - Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus - Google Patents

Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus

Info

Publication number
EP1845325A4
EP1845325A4 EP06712160A EP06712160A EP1845325A4 EP 1845325 A4 EP1845325 A4 EP 1845325A4 EP 06712160 A EP06712160 A EP 06712160A EP 06712160 A EP06712160 A EP 06712160A EP 1845325 A4 EP1845325 A4 EP 1845325A4
Authority
EP
European Patent Office
Prior art keywords
melting
raw material
electron beam
melting metal
ingot
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.)
Granted
Application number
EP06712160A
Other languages
German (de)
French (fr)
Japanese (ja)
Other versions
EP1845325B1 (en
EP1845325A1 (en
Inventor
Takeshi Shiraki
Yoshihiro Hatta
Norio Yamamoto
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.)
Toho Titanium Co Ltd
Original Assignee
Toho Titanium Co Ltd
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
Priority claimed from JP2005016396A external-priority patent/JP4443430B2/en
Priority claimed from JP2005363412A external-priority patent/JP4860253B2/en
Application filed by Toho Titanium Co Ltd filed Critical Toho Titanium Co Ltd
Publication of EP1845325A1 publication Critical patent/EP1845325A1/en
Publication of EP1845325A4 publication Critical patent/EP1845325A4/en
Application granted granted Critical
Publication of EP1845325B1 publication Critical patent/EP1845325B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F27B17/00—Furnaces of a kind not covered by any preceding group
    • F27B17/0016—Chamber type furnaces
    • 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
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • 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
    • C22B34/1295—Refining, melting, remelting, working up of titanium
    • 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
    • C22B9/228—Remelting metals with heating by wave energy or particle radiation by particle radiation, e.g. electron beams
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/02—Crowns; Roofs
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/003—Bombardment heating, e.g. with ions or electrons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

This invention provides an electron beam melting apparatus and a melting method that, in producing an ingot by dissolving a metal with an electron beam, can suppress the occurrence of new impurities in the ingot production, are less likely to again cause inclusion of once evaporated impurities from a melt pool within a hearth or a mold, and can be improved in operating rate. The electron beam melting apparatus for melting a high-melting metal comprises a raw material feed part for feeding a raw material, a raw material melting part, which is continued from the raw material feed part and, at the same time, is defined by a furnace wall and a ceiling wall, and comprises at least a hearth, a water cooling mold and an electron gun, and an exhaust part continued from the raw material melting part. In this electron beam melting apparatus, at least one of the furnace wall and the ceiling wall is lined with titanium or stainless steel, and, in addition, a plurality of fin-shaped members formed of titanium or stainless steel is provided in the ceiling wall. A lining, which can be attached and detached, is provided on the inner face of the electron beam melting apparatus.
EP06712160A 2005-01-25 2006-01-23 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus Active EP1845325B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005016396A JP4443430B2 (en) 2005-01-25 2005-01-25 Electron beam melting device
JP2005363412A JP4860253B2 (en) 2005-12-16 2005-12-16 Metal electron beam melting apparatus and metal melting method using the apparatus
PCT/JP2006/300944 WO2006080269A1 (en) 2005-01-25 2006-01-23 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus

Publications (3)

Publication Number Publication Date
EP1845325A1 EP1845325A1 (en) 2007-10-17
EP1845325A4 true EP1845325A4 (en) 2008-12-24
EP1845325B1 EP1845325B1 (en) 2010-08-11

Family

ID=36740300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06712160A Active EP1845325B1 (en) 2005-01-25 2006-01-23 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus

Country Status (5)

Country Link
EP (1) EP1845325B1 (en)
CN (1) CN102175077B (en)
DE (1) DE602006016070D1 (en)
RU (1) RU2401872C2 (en)
WO (1) WO2006080269A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101293060B1 (en) 2011-03-30 2013-08-05 현대제철 주식회사 Roof for electric furnace
JP5871320B2 (en) * 2012-07-24 2016-03-01 東邦チタニウム株式会社 Electron beam melting furnace and operation method of electron beam melting furnace using the same
RU2499065C1 (en) * 2012-10-12 2013-11-20 Закрытое Акционерное Общество "Уральские Инновационные Технологии" (ЗАО "УРАЛИНТЕХ") Tantalum-base alloy refining method
CN103966458A (en) * 2013-02-04 2014-08-06 青海聚能钛业有限公司 Single-electron gun cold hearth melting furnace
CN106868455B (en) * 2017-03-17 2019-04-23 武汉华星光电技术有限公司 Crucible and evaporation coating device is deposited
FR3082853B1 (en) 2018-06-26 2020-09-04 Safran Aircraft Engines PROCESS FOR MANUFACTURING INGOTS IN METAL COMPOUND BASED ON TITANIUM
CN112410575B (en) * 2020-11-13 2023-01-24 西安诺博尔稀贵金属材料股份有限公司 Magnetic shielding system for electron beam melting furnace with double guns and double feeding systems
CN113249586B (en) * 2021-03-22 2023-02-28 洛阳双瑞精铸钛业有限公司 Double-layer condensation cover for smelting titanium alloy in EB (Electron Beam) furnace
CN113249587B (en) * 2021-03-22 2022-10-18 洛阳双瑞精铸钛业有限公司 Combined condensation cover for smelting titanium alloy in EB (Electron Beam) furnace

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265801A (en) * 1960-08-22 1966-08-09 Ass Elect Ind Electron beam furnaces
JPH1161288A (en) * 1997-08-22 1999-03-05 Nikko Kinzoku Kk Method for preventing drop of solidified evaporated metallic impurity in melting furnace and solidified evaporated aluminum in melting furnace for niobium refining, and melting furnace therefor
EP0900854A1 (en) * 1997-09-04 1999-03-10 Titanium Hearth Technologies, Inc. Condensate retention arrangement for cold hearth refining

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62176667A (en) * 1986-01-29 1987-08-03 Kobe Steel Ltd Vacuum exhausting method
JP2529105Y2 (en) * 1989-06-22 1997-03-19 住友シチックス株式会社 Water-cooled crucible for vacuum melting
US5222547A (en) * 1990-07-19 1993-06-29 Axel Johnson Metals, Inc. Intermediate pressure electron beam furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265801A (en) * 1960-08-22 1966-08-09 Ass Elect Ind Electron beam furnaces
JPH1161288A (en) * 1997-08-22 1999-03-05 Nikko Kinzoku Kk Method for preventing drop of solidified evaporated metallic impurity in melting furnace and solidified evaporated aluminum in melting furnace for niobium refining, and melting furnace therefor
EP0900854A1 (en) * 1997-09-04 1999-03-10 Titanium Hearth Technologies, Inc. Condensate retention arrangement for cold hearth refining

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006080269A1 *

Also Published As

Publication number Publication date
EP1845325B1 (en) 2010-08-11
RU2007132183A (en) 2009-03-10
CN102175077B (en) 2012-08-15
CN102175077A (en) 2011-09-07
DE602006016070D1 (en) 2010-09-23
WO2006080269A1 (en) 2006-08-03
EP1845325A1 (en) 2007-10-17
RU2401872C2 (en) 2010-10-20

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