EP1711289A4 - Method and apparatus for perimeter cleaning in cold hearth refining - Google Patents

Method and apparatus for perimeter cleaning in cold hearth refining

Info

Publication number
EP1711289A4
EP1711289A4 EP04708581A EP04708581A EP1711289A4 EP 1711289 A4 EP1711289 A4 EP 1711289A4 EP 04708581 A EP04708581 A EP 04708581A EP 04708581 A EP04708581 A EP 04708581A EP 1711289 A4 EP1711289 A4 EP 1711289A4
Authority
EP
European Patent Office
Prior art keywords
cold hearth
hearth refining
perimeter cleaning
perimeter
cleaning
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Withdrawn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
EP04708581A
Other languages
German (de)
French (fr)
Other versions
EP1711289A1 (en
Inventor
Allen E Blackburn
Fatai Odebesi
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.)
Titanium Metals Corp
Original Assignee
Titanium Metals 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 Titanium Metals Corp filed Critical Titanium Metals Corp
Publication of EP1711289A1 publication Critical patent/EP1711289A1/en
Publication of EP1711289A4 publication Critical patent/EP1711289A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • 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
    • 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
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like 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
    • F27D19/00—Arrangements of controlling 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30—Electron or ion beam tubes for processing objects
    • H01J2237/304—Controlling tubes
    • H01J2237/30472—Controlling the beam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30—Electron or ion beam tubes for processing objects
    • H01J2237/31—Processing objects on a macro-scale
    • H01J2237/3128—Melting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30—Electron or ion beam tubes for processing objects
    • H01J2237/31—Processing objects on a macro-scale
    • H01J2237/3132—Evaporating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30—Electron or ion beam tubes for processing objects
    • H01J2237/31—Processing objects on a macro-scale
    • H01J2237/3165—Changing chemical properties
EP04708581A 2004-02-05 2004-02-05 Method and apparatus for perimeter cleaning in cold hearth refining Withdrawn EP1711289A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/003277 WO2005084850A1 (en) 2004-02-05 2004-02-05 Method and apparatus for perimeter cleaning in cold hearth refining

Publications (2)

Publication Number Publication Date
EP1711289A1 EP1711289A1 (en) 2006-10-18
EP1711289A4 true EP1711289A4 (en) 2008-01-16

Family

ID=34920910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04708581A Withdrawn EP1711289A4 (en) 2004-02-05 2004-02-05 Method and apparatus for perimeter cleaning in cold hearth refining

Country Status (4)

Country Link
EP (1) EP1711289A4 (en)
JP (1) JP2007523311A (en)
CN (1) CN1917975A (en)
WO (1) WO2005084850A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8891583B2 (en) 2000-11-15 2014-11-18 Ati Properties, Inc. Refining and casting apparatus and method
JP5690586B2 (en) 2007-03-30 2015-03-25 エイティーアイ・プロパティーズ・インコーポレーテッド Melting furnace including wire discharge ion plasma electron emitter
US8748773B2 (en) * 2007-03-30 2014-06-10 Ati Properties, Inc. Ion plasma electron emitters for a melting furnace
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
CN105154691A (en) * 2015-09-07 2015-12-16 云南钛业股份有限公司 Method for smelting 4J42 alloy hot continuous rolling billet by electron beam cold bed furnace
CN108220612B (en) * 2018-01-19 2019-12-24 青海聚能钛业股份有限公司 Processing method for smelting and recovering zirconium alloy by electron beam cold hearth furnace
JP7095470B2 (en) * 2018-08-02 2022-07-05 日本製鉄株式会社 Manufacturing method and manufacturing equipment for titanium ingots or titanium alloy ingots

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932635A (en) * 1988-07-11 1990-06-12 Axel Johnson Metals, Inc. Cold hearth refining apparatus
US5972282A (en) * 1997-08-04 1999-10-26 Oregon Metallurgical Corporation Straight hearth furnace for titanium refining

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4961776A (en) * 1988-07-11 1990-10-09 Axel Johnson Metals, Inc. Cold hearth refining
US4823358A (en) * 1988-07-28 1989-04-18 501 Axel Johnson Metals, Inc. High capacity electron beam cold hearth furnace
JP2001293649A (en) * 2000-04-13 2001-10-23 Ricoh Co Ltd Manufacturing method of wire tool
US6561259B2 (en) * 2000-12-27 2003-05-13 Rmi Titanium Company Method of melting titanium and other metals and alloys by plasma arc or electron beam
JPWO2004008471A1 (en) * 2002-07-15 2005-11-10 株式会社東芝 Image display apparatus, image display apparatus manufacturing method, and manufacturing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932635A (en) * 1988-07-11 1990-06-12 Axel Johnson Metals, Inc. Cold hearth refining apparatus
US5972282A (en) * 1997-08-04 1999-10-26 Oregon Metallurgical Corporation Straight hearth furnace for titanium refining

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
POWELL, A. ET AL: "Simulation of multicomponent losses in electron beam melting and refining at varying scan frequencies", PROCEEDINGS OF THE CONFERENCE ON ELECTRON BEAM MELTING AND REFINING--STATE OF THE ART , 1995, 263-277 CODEN: PCEAF2; ISSN: 0740-8706, 1995, XP009092705 *
See also references of WO2005084850A1 *

Also Published As

Publication number Publication date
WO2005084850A1 (en) 2005-09-15
EP1711289A1 (en) 2006-10-18
CN1917975A (en) 2007-02-21
JP2007523311A (en) 2007-08-16

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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: 20071219

RIC1 Information provided on ipc code assigned before grant

Ipc: C22B 9/22 20060101AFI20071213BHEP

Ipc: F27B 3/20 20060101ALI20071213BHEP

Ipc: C22B 34/12 20060101ALI20071213BHEP

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Effective date: 20080509

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Effective date: 20080920