GB2227185B - Ceramic filter for filtering molten metals - Google Patents

Ceramic filter for filtering molten metals

Info

Publication number
GB2227185B
GB2227185B GB9000617A GB9000617A GB2227185B GB 2227185 B GB2227185 B GB 2227185B GB 9000617 A GB9000617 A GB 9000617A GB 9000617 A GB9000617 A GB 9000617A GB 2227185 B GB2227185 B GB 2227185B
Authority
GB
United Kingdom
Prior art keywords
ceramic filter
molten metals
filtering molten
filtering
metals
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 - Fee Related
Application number
GB9000617A
Other versions
GB2227185A (en
GB9000617D0 (en
Inventor
Werner Kallisch
Reiner Stotzel
Rolf Reitzscher
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 GB9000617D0 publication Critical patent/GB9000617D0/en
Publication of GB2227185A publication Critical patent/GB2227185A/en
Application granted granted Critical
Publication of GB2227185B publication Critical patent/GB2227185B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
GB9000617A 1989-01-11 1990-01-11 Ceramic filter for filtering molten metals Expired - Fee Related GB2227185B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB9000617D0 GB9000617D0 (en) 1990-03-14
GB2227185A GB2227185A (en) 1990-07-25
GB2227185B true GB2227185B (en) 1993-03-10

Family

ID=4178808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9000617A Expired - Fee Related GB2227185B (en) 1989-01-11 1990-01-11 Ceramic filter for filtering molten metals

Country Status (25)

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

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 (en) * 1995-02-08 2003-08-18 株式会社ブリヂストン High temperature ceramic filter
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436538A (en) * 1981-04-22 1984-03-13 Nippon Soken, Inc. Filter for cleaning exhaust gases from diesel engine
US4523935A (en) * 1981-08-03 1985-06-18 Nippon Soken, Inc. Electrical heater retained in a porous ceramic structure
GB2149771A (en) * 1983-11-14 1985-06-19 Jeffrey Rogers Morris Ceramic structure
US4713180A (en) * 1984-02-15 1987-12-15 Georg Fischer Aktiengesellschaft Ceramic filter and method for using same
EP0254557A2 (en) * 1986-07-22 1988-01-27 Nippondenso Co., Ltd. A porous structure and a process for production thereof

Family Cites Families (11)

* 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 (en) * 1979-10-30 1984-04-02 株式会社ブリヂストン Filter material for molten metal
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 (en) * 1981-03-27 1986-12-17 Fischer Ag Georg CERAMIC FILTER, PROCEDURE FOR ITS MANUFACTURE, AS WELL AS USE OF THE FILTER
US4697632A (en) * 1982-06-11 1987-10-06 Howmet Turbine Components Corporation Ceramic porous bodies suitable for use with superalloys
EP0126847A1 (en) * 1984-02-17 1984-12-05 Georg Fischer Aktiengesellschaft Ceramic filter
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 (en) * 1984-04-23 1992-01-29 Alusuisse-Lonza Services Ag Ceramic filter with an open cells foam structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436538A (en) * 1981-04-22 1984-03-13 Nippon Soken, Inc. Filter for cleaning exhaust gases from diesel engine
US4523935A (en) * 1981-08-03 1985-06-18 Nippon Soken, Inc. Electrical heater retained in a porous ceramic structure
GB2149771A (en) * 1983-11-14 1985-06-19 Jeffrey Rogers Morris Ceramic structure
US4713180A (en) * 1984-02-15 1987-12-15 Georg Fischer Aktiengesellschaft Ceramic filter and method for using same
EP0254557A2 (en) * 1986-07-22 1988-01-27 Nippondenso Co., Ltd. A porous structure and a process for production thereof

Also Published As

Publication number Publication date
NL9000009A (en) 1990-08-01
MX173465B (en) 1994-03-07
AT396875B (en) 1993-12-27
JPH02229515A (en) 1990-09-12
IT9019040A1 (en) 1990-07-12
FI900143A0 (en) 1990-01-10
NO900129L (en) 1990-07-12
NO175874C (en) 1994-12-21
GB2227185A (en) 1990-07-25
FR2641475B1 (en) 1992-09-18
AR243093A1 (en) 1993-07-30
AU4773690A (en) 1990-07-19
CH679746A5 (en) 1992-04-15
KR900011502A (en) 1990-08-01
CA2007450A1 (en) 1990-07-11
NO900129D0 (en) 1990-01-10
BR9000098A (en) 1991-10-08
NO175874B (en) 1994-09-12
ZA90198B (en) 1990-10-31
IT1238156B (en) 1993-07-09
HU900107D0 (en) 1990-05-28
DK6290D0 (en) 1990-01-10
YU250189A (en) 1990-12-31
IT9019040A0 (en) 1990-01-10
SE9000055L (en) 1990-07-12
IL92973A0 (en) 1990-09-17
DK6290A (en) 1990-07-12
GB9000617D0 (en) 1990-03-14
ATA288689A (en) 1993-05-15
PT92846A (en) 1990-07-31
FR2641475A1 (en) 1990-07-13
ES2019014A6 (en) 1991-05-16
FI900143A (en) 1990-07-12
DD291480A5 (en) 1991-07-04
BE1002969A5 (en) 1991-10-08
AU624465B2 (en) 1992-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960111