CA2007450A1 - Ceramic filter for the filtering of molten metals - Google Patents

Ceramic filter for the filtering of molten metals

Info

Publication number
CA2007450A1
CA2007450A1 CA002007450A CA2007450A CA2007450A1 CA 2007450 A1 CA2007450 A1 CA 2007450A1 CA 002007450 A CA002007450 A CA 002007450A CA 2007450 A CA2007450 A CA 2007450A CA 2007450 A1 CA2007450 A1 CA 2007450A1
Authority
CA
Canada
Prior art keywords
foam
ceramic
slip
process according
terized
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.)
Abandoned
Application number
CA002007450A
Other languages
English (en)
French (fr)
Inventor
Werner Kallisch
Reiner Stotzel
Rolf Rietzscher
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.)
Georg Fischer AG
Original Assignee
Georg Fischer 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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of CA2007450A1 publication Critical patent/CA2007450A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/0615—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
    • 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)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Filtration Of Liquid (AREA)
CA002007450A 1989-01-11 1990-01-10 Ceramic filter for the filtering of molten metals Abandoned CA2007450A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00080/89-4 1989-01-11
CH80/89A CH679746A5 (fi) 1989-01-11 1989-01-11

Publications (1)

Publication Number Publication Date
CA2007450A1 true CA2007450A1 (en) 1990-07-11

Family

ID=4178808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002007450A Abandoned CA2007450A1 (en) 1989-01-11 1990-01-10 Ceramic filter for the filtering of molten metals

Country Status (25)

Country Link
JP (1) JPH02229515A (fi)
KR (1) KR900011502A (fi)
AR (1) AR243093A1 (fi)
AT (1) AT396875B (fi)
AU (1) AU624465B2 (fi)
BE (1) BE1002969A5 (fi)
BR (1) BR9000098A (fi)
CA (1) CA2007450A1 (fi)
CH (1) CH679746A5 (fi)
DD (1) DD291480A5 (fi)
DK (1) DK6290A (fi)
ES (1) ES2019014A6 (fi)
FI (1) FI900143A (fi)
FR (1) FR2641475B1 (fi)
GB (1) GB2227185B (fi)
HU (1) HU900107D0 (fi)
IL (1) IL92973A0 (fi)
IT (1) IT1238156B (fi)
MX (1) MX173465B (fi)
NL (1) NL9000009A (fi)
NO (1) NO175874C (fi)
PT (1) PT92846A (fi)
SE (1) SE9000055L (fi)
YU (1) YU250189A (fi)
ZA (1) ZA90198B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104540A (en) * 1990-06-22 1992-04-14 Corning Incorporated Coated molten metal filters
JP3438382B2 (ja) * 1995-02-08 2003-08-18 株式会社ブリヂストン 高温用セラミックフィルター
MY138532A (en) 2000-08-31 2009-06-30 Foseco Int Refractory articles
AU2002243361A1 (en) * 2001-12-28 2003-07-24 C. Edward Eckert Filter media and method using the filter media for treating molten aluminium
WO2011114080A1 (en) 2010-03-19 2011-09-22 Foseco International Limited Method for the production of a refractory filter

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH622230A5 (en) * 1975-03-28 1981-03-31 Alusuisse Porous ceramic foam, process for its manufacture and its use
GB1537549A (en) * 1975-06-23 1978-12-29 Alusuisse Methods of preparing ceramic foam materials
JPS5913887B2 (ja) * 1979-10-30 1984-04-02 株式会社ブリヂストン 溶融金属用濾過材
US4343704A (en) * 1981-01-22 1982-08-10 Swiss Aluminium Ltd. Ceramic foam filter
US4331621A (en) * 1981-03-19 1982-05-25 Swiss Aluminium Ltd. Method for bonding a gasket seal to surface of ceramic foam filter
IT1151368B (it) * 1981-03-27 1986-12-17 Fischer Ag Georg Filtro ceramico,procedimento per la sua fabbricazione,nonche' impiego del filtro
US4436538A (en) * 1981-04-22 1984-03-13 Nippon Soken, Inc. Filter for cleaning exhaust gases from diesel engine
JPS5823187A (ja) * 1981-08-03 1983-02-10 株式会社日本自動車部品総合研究所 セラミツク構造体およびその製造方法
US4697632A (en) * 1982-06-11 1987-10-06 Howmet Turbine Components Corporation Ceramic porous bodies suitable for use with superalloys
GB2149771B (en) * 1983-11-14 1987-02-04 Jeffrey Rogers Morris Ceramic structure
CH655328A5 (de) * 1984-02-15 1986-04-15 Fischer Ag Georg Keramikfilter.
EP0126847A1 (de) * 1984-02-17 1984-12-05 Georg Fischer Aktiengesellschaft Keramikfilter
US4772395A (en) * 1984-04-11 1988-09-20 Olin Corporation Silicon carbide coated porous filters
US4708740A (en) * 1984-04-11 1987-11-24 Olin Corporation Technique for forming silicon carbide coated porous filters
EP0159963B1 (de) * 1984-04-23 1992-01-29 Alusuisse-Lonza Services Ag Filter aus Keramik mit offenzelliger Schaumstruktur
EP0254557A3 (en) * 1986-07-22 1988-09-21 Nippondenso Co., Ltd. A porous structure and a process for production thereof

Also Published As

Publication number Publication date
NL9000009A (nl) 1990-08-01
MX173465B (es) 1994-03-07
AT396875B (de) 1993-12-27
JPH02229515A (ja) 1990-09-12
IT9019040A1 (it) 1990-07-12
FI900143A0 (fi) 1990-01-10
NO900129L (no) 1990-07-12
NO175874C (no) 1994-12-21
GB2227185A (en) 1990-07-25
GB2227185B (en) 1993-03-10
FR2641475B1 (fr) 1992-09-18
AR243093A1 (es) 1993-07-30
AU4773690A (en) 1990-07-19
CH679746A5 (fi) 1992-04-15
KR900011502A (ko) 1990-08-01
NO900129D0 (no) 1990-01-10
BR9000098A (pt) 1991-10-08
NO175874B (fi) 1994-09-12
ZA90198B (en) 1990-10-31
IT1238156B (it) 1993-07-09
HU900107D0 (en) 1990-05-28
DK6290D0 (da) 1990-01-10
YU250189A (en) 1990-12-31
IT9019040A0 (it) 1990-01-10
SE9000055L (sv) 1990-07-12
IL92973A0 (en) 1990-09-17
DK6290A (da) 1990-07-12
GB9000617D0 (en) 1990-03-14
ATA288689A (de) 1993-05-15
PT92846A (pt) 1990-07-31
FR2641475A1 (fr) 1990-07-13
ES2019014A6 (es) 1991-05-16
FI900143A (fi) 1990-07-12
DD291480A5 (de) 1991-07-04
BE1002969A5 (fr) 1991-10-08
AU624465B2 (en) 1992-06-11

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued