CA1130980A - Method for the filtration of molten metal - Google Patents

Method for the filtration of molten metal

Info

Publication number
CA1130980A
CA1130980A CA314,841A CA314841A CA1130980A CA 1130980 A CA1130980 A CA 1130980A CA 314841 A CA314841 A CA 314841A CA 1130980 A CA1130980 A CA 1130980A
Authority
CA
Canada
Prior art keywords
filter element
molten metal
sprue
filter
flow rate
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.)
Expired
Application number
CA314,841A
Other languages
English (en)
French (fr)
Inventor
James E. Dore
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.)
Rio Tinto Switzerland AG
Original Assignee
Schweizerische Aluminium AG
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 Schweizerische Aluminium AG filed Critical Schweizerische Aluminium AG
Application granted granted Critical
Publication of CA1130980A publication Critical patent/CA1130980A/en
Expired 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
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C22B21/066—Treatment of circulating aluminium, e.g. by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2093—Ceramic foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/086—Filters
    • 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
    • C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • C22B9/023—By filtering
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
CA314,841A 1977-11-25 1978-10-30 Method for the filtration of molten metal Expired CA1130980A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85463377A 1977-11-25 1977-11-25
US854,633 1977-11-25

Publications (1)

Publication Number Publication Date
CA1130980A true CA1130980A (en) 1982-09-07

Family

ID=25319206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314,841A Expired CA1130980A (en) 1977-11-25 1978-10-30 Method for the filtration of molten metal

Country Status (12)

Country Link
JP (1) JPS5484803A (da)
BE (1) BE872280A (da)
CA (1) CA1130980A (da)
DE (1) DE2848005A1 (da)
DK (1) DK508478A (da)
ES (1) ES475339A1 (da)
FR (1) FR2409785A1 (da)
GB (1) GB2008427B (da)
IT (1) IT1100591B (da)
NL (1) NL7811581A (da)
NO (1) NO783965L (da)
SE (1) SE7812079L (da)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1188948B (it) * 1979-08-16 1988-01-28 Southwire Co Metodo ed apparecchiatura per la purificazione di una colata continua di rame
US4265659A (en) * 1979-10-09 1981-05-05 Swiss Aluminium Ltd. Molten metal filter
US4366721A (en) * 1981-02-10 1983-01-04 Union Carbide Corporation Molten metal sampling device
WO1982003339A1 (fr) * 1981-03-27 1982-10-14 Hofmann Franz Filtre en ceramique, procede de fabrication et utilisation de ce filtre
CH655328A5 (de) * 1984-02-15 1986-04-15 Fischer Ag Georg Keramikfilter.
EP0126847A1 (de) * 1984-02-17 1984-12-05 Georg Fischer Aktiengesellschaft Keramikfilter
US4721567A (en) * 1984-06-06 1988-01-26 Certech Inc. Ceramic pouring filter with tortuous flow paths
DE3700107A1 (de) * 1987-01-03 1988-07-14 Stettner & Co Vorrichtung zum giessen von metallischen schmelzen
US4842037A (en) * 1987-06-10 1989-06-27 Foseco International Limited Metal casting patterns
GB9100519D0 (en) * 1991-01-10 1991-02-20 Foseco Int Filters
FR2730062B1 (fr) * 1995-01-26 1997-04-18 Fonderie Ctr Tech Ind Dispositif de determination de la proprete d'un alliage metallique
DE29809139U1 (de) 1998-05-20 1998-08-13 L. Bregenzer Gießereibedarf GmbH, 70372 Stuttgart Vorrichtung zum Befüllen eines Gießofens
AT508003B1 (de) 2009-06-18 2010-10-15 Lmt Metallurg Gmbh Verfahren zum herstellen einer vorlegierung und verwendung derselben
CN103203431B (zh) * 2013-05-04 2015-05-06 日月重工股份有限公司 铸造用过滤器
EP3941662B1 (de) 2019-03-19 2023-06-14 Fill Gesellschaft m.b.H. Verfahren zum transport von schmelze und verfahren zum giessen von schmelze

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815661A (en) * 1972-09-21 1974-06-11 United Aircraft Corp Process for reducing oxide defects in investment castings
US3962081A (en) * 1975-03-28 1976-06-08 Swiss Aluminium Ltd. Ceramic foam filter

Also Published As

Publication number Publication date
IT1100591B (it) 1985-09-28
NO783965L (no) 1979-05-28
NL7811581A (nl) 1979-05-29
IT7830184A0 (it) 1978-11-24
DK508478A (da) 1979-05-26
FR2409785A1 (fr) 1979-06-22
GB2008427B (en) 1982-03-24
SE7812079L (sv) 1979-05-26
BE872280A (fr) 1979-03-16
GB2008427A (en) 1979-06-06
ES475339A1 (es) 1979-03-16
DE2848005A1 (de) 1979-06-07
JPS5484803A (en) 1979-07-06

Similar Documents

Publication Publication Date Title
CA1130980A (en) Method for the filtration of molten metal
CA1102120A (en) Apparatus for the filtration of molten metal in a crucible type furnace
US4081371A (en) Filtering of molten metal
AU598759B2 (en) Device for filtering molten metals
US4092153A (en) Filtering and inline degassing of molten metal
US2863558A (en) Filtering molten aluminous metal
CA1264544A (en) Ceramic filter and method for using same
US4067731A (en) Method of treating molten metal
JP5460854B2 (ja) 鋳造のためのモールドおよびそれを用いる方法
US4940489A (en) Molten metal filtration system and process
US4154689A (en) Filtering and inline degassing of molten metal
EP0668804B1 (en) Filtration of molten material
US4124506A (en) Method for the filtration of molten metal in a crucible type furnace
JP3614598B2 (ja) 鋳造装置用フィルタ及び鋳造装置
US4573664A (en) Apparatus and method for removing inclusions
AU8922001A (en) Device for filtering and adding grain refining agent to metal melts
GB1569779A (en) Degassing and filtration of molten metal
US4572486A (en) Molten metal filtering vessel with internal filter
US6224818B1 (en) System and method for purifying molten metal
JPH089158Y2 (ja) 金属溶湯フィルターカートリッジ
JPS61257435A (ja) アルミニウム系金属材料から含有不純物を除去する方法
JPS6393466A (ja) 注湯取鍋用溶湯注入器
JPS60221158A (ja) 連続鋳造設備
JPS6220818A (ja) タンデイツシユでのセラミツクフイルタ−による介在物除去方法
Smith et al. Using refractory cloth filters to control nonmetallic inclusions in investment casting foundries

Legal Events

Date Code Title Description
MKEX Expiry