CA1059535A - Ceramic foam filter - Google Patents

Ceramic foam filter

Info

Publication number
CA1059535A
CA1059535A CA249,110A CA249110A CA1059535A CA 1059535 A CA1059535 A CA 1059535A CA 249110 A CA249110 A CA 249110A CA 1059535 A CA1059535 A CA 1059535A
Authority
CA
Canada
Prior art keywords
filter
foam
ceramic
slurry
molten metal
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
CA249,110A
Other languages
English (en)
French (fr)
Inventor
John C. Yarwood
James E. Dore
Robert K. Preuss
Michael J. Pryor
Thomas J. Gray
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.)
Alcan Holdings 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
Priority claimed from US05/563,212 external-priority patent/US3947363A/en
Priority claimed from US05/563,213 external-priority patent/US3962081A/en
Priority claimed from US05/589,294 external-priority patent/US4024212A/en
Priority claimed from US05/597,963 external-priority patent/US4024056A/en
Application filed by Schweizerische Aluminium AG filed Critical Schweizerische Aluminium AG
Application granted granted Critical
Publication of CA1059535A publication Critical patent/CA1059535A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
    • B22D43/001—Retaining slag during pouring molten metal
    • B22D43/004—Retaining slag during pouring molten metal by using filtering means
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • 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
    • C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
    • 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
    • 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
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C22B21/066—Treatment of circulating aluminium, e.g. by filtration
    • 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
    • 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
    • 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
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • 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
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C22B9/055—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ while the metal is circulating, e.g. combined with filtration
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Filtration Of Liquid (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
CA249,110A 1975-03-28 1976-03-26 Ceramic foam filter Expired CA1059535A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/563,212 US3947363A (en) 1974-01-02 1975-03-28 Ceramic foam filter
US05/563,213 US3962081A (en) 1975-03-28 1975-03-28 Ceramic foam filter
US05/589,294 US4024212A (en) 1975-03-28 1975-06-23 Ceramic foam and method of preparation
US05/597,963 US4024056A (en) 1975-07-21 1975-07-21 Filtering of molten metal

Publications (1)

Publication Number Publication Date
CA1059535A true CA1059535A (en) 1979-07-31

Family

ID=27504834

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249,110A Expired CA1059535A (en) 1975-03-28 1976-03-26 Ceramic foam filter

Country Status (11)

Country Link
JP (1) JPS6017563B2 (it)
AT (1) AT365088B (it)
BR (1) BR7601848A (it)
CA (1) CA1059535A (it)
CH (1) CH622230A5 (it)
DE (2) DE2613023C2 (it)
FR (1) FR2305407A1 (it)
IT (1) IT1060714B (it)
NL (1) NL182289C (it)
NO (2) NO148381C (it)
YU (1) YU37100B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508461A1 (en) * 2018-01-04 2019-07-10 Pyrotek Engineering Materials Limited Ceramic foam filter for non-ferrous metals

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA761824B (en) * 1975-03-28 1977-03-30 Alusuisse Ceramic foam filter
FR2333599A1 (fr) * 1975-12-02 1977-07-01 Daussan Henri Dispositif a element tubulaire pour la coulee des metaux fondus
CA1082894A (en) * 1977-02-22 1980-08-05 John C. Yarwood Method of preparation of ceramic foam
JPS55111817A (en) * 1979-02-19 1980-08-28 Bridgestone Corp Ceramic porous body
JPS5524585A (en) * 1978-08-12 1980-02-21 Bridgestone Corp Ceramic porous body
CA1137523A (en) * 1978-08-12 1982-12-14 Tsuneaki Narumiya Ceramic porous body
JPS5556077A (en) * 1978-10-21 1980-04-24 Bridgestone Tire Co Ltd Ceramic porous body
FR2446862B1 (it) * 1979-01-19 1981-06-12 Servimetal
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
JPS5660618A (en) * 1979-10-23 1981-05-25 Bridgestone Corp Porous ceramic structure
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
JPS574710A (en) * 1980-06-13 1982-01-11 Mitsubishi Mining & Cement Co Manufacture of ceramic porous body
IT1151368B (it) * 1981-03-27 1986-12-17 Fischer Ag Georg Filtro ceramico,procedimento per la sua fabbricazione,nonche' impiego del filtro
DE3222162C2 (de) * 1982-06-10 1985-07-11 Schweizerische Aluminium Ag, Chippis Filter zur Filtration von schmelzflüssigen Metallen
JPS5943833A (ja) * 1982-09-06 1984-03-12 Furukawa Electric Co Ltd:The 溶銅中の異物除去方法
JPS5978967A (ja) * 1982-10-22 1984-05-08 井上エムテ−ピ−株式会社 平均的セルサイズが部分的に異なるセラミツクフオ−ムと、その製造方法
JPS59149966U (ja) * 1983-03-26 1984-10-06 住友軽金属工業株式会社 アルミニウム若しくはその合金溶湯のインライン処理装置
JPS59149965U (ja) * 1983-03-26 1984-10-06 住友軽金属工業株式会社 金属溶湯のインライン処理装置
JPS59153362U (ja) * 1983-03-31 1984-10-15 住友軽金属工業株式会社 金属溶湯の処理装置
AU564861B2 (en) * 1983-11-16 1987-08-27 Selee Corp. Molten metal filter and method of filtering
EP0126847A1 (de) * 1984-02-17 1984-12-05 Georg Fischer Aktiengesellschaft Keramikfilter
US4803025A (en) * 1984-04-23 1989-02-07 Swiss Aluminium Ltd. Ceramic foam
EP0159963B1 (de) * 1984-04-23 1992-01-29 Alusuisse-Lonza Services Ag Filter aus Keramik mit offenzelliger Schaumstruktur
GB2168336B (en) * 1984-12-12 1988-02-10 Toshiba Ceramics Co A ceramic foam
DE3618284A1 (de) * 1986-05-30 1987-12-03 Steuler Industriewerke Gmbh Tragtrog fuer auswechselbare hochtemperatur-metallschmelzenfilter
CH679746A5 (it) * 1989-01-11 1992-04-15 Fischer Ag Georg
DE4003598A1 (de) * 1990-02-02 1991-08-08 Otto Feuerfest Gmbh Verfahren und vorrichtung zum herstellen eines keramischen schaumkoerpers
US5045511A (en) * 1990-02-26 1991-09-03 Alusuisse-Lonza Services, Ltd. Ceramic bodies formed from yttria stabilized zirconia-alumina
DE9110958U1 (de) * 1991-09-04 1991-10-17 Rath (Deutschland) GmbH, 4050 Mönchengladbach Filter
DE29809139U1 (de) 1998-05-20 1998-08-13 L. Bregenzer Gießereibedarf GmbH, 70372 Stuttgart Vorrichtung zum Befüllen eines Gießofens
FR2839518B1 (fr) * 2002-05-13 2004-06-25 Pechiney Rhenalu Dispositif de traitement en ligne de metal liquide
JP4459164B2 (ja) * 2005-12-27 2010-04-28 三菱電機株式会社 セラミック多孔体の製造方法
CZ301535B6 (cs) * 2007-06-04 2010-04-07 Švéda@Kamil Izolacní keramická pórovitá hmota a zpusob její výroby
RU2604082C2 (ru) 2012-04-27 2016-12-10 Норведжиэн Юнивёрсити Оф Сайенс Энд Текнолоджи (Нтну) Устройство и способ заливки фильтра для расплавленного металла
CN107840677B (zh) * 2017-11-10 2020-10-23 南京航空航天大学 一种氧化铝基泡沫陶瓷及其制备方法
US20200047247A1 (en) * 2018-08-10 2020-02-13 Les Produits Industriels De Haute Temperature Pyrotek Inc. Filter For The Filtration Of A Liquid Metal
DE102019219234A1 (de) * 2019-12-10 2021-06-10 Volkswagen Aktiengesellschaft Gießanordnung zum Schwerkraftgießen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097930A (en) * 1960-03-09 1963-07-16 Cons Beryllium Ltd Method of making a porous shape of sintered refractory material
GB916784A (en) * 1960-05-04 1963-01-30 Gen Electric Co Ltd Improvements in or relating to the manufacture of porous ceramic materials
US3111396A (en) 1960-12-14 1963-11-19 Gen Electric Method of making a porous material
US3090094A (en) * 1961-02-21 1963-05-21 Gen Motors Corp Method of making porous ceramic articles
GB1054421A (it) * 1963-03-07
GB1114385A (en) * 1965-03-29 1968-05-22 Sangotoki Kabushiki Kaisha Manufacture of porous ceramic material
FR1476192A (fr) * 1966-04-15 1967-04-07 Corning Glass Works Procédé de fabrication d'articles céramiques poreux
US3408180A (en) * 1966-09-12 1968-10-29 Gen Foam Corp Method of producing an inorganic foam and product
US3524548A (en) * 1968-09-16 1970-08-18 Kaiser Aluminium Chem Corp Filter medium for molten metal
JPS4736062U (it) * 1971-05-06 1972-12-21
GB1439767A (en) * 1972-09-25 1976-06-16 Foseco Int Radiant gas burners
GB1377691A (en) * 1973-01-03 1974-12-18 Foseco Int Porous ceramic materials
CA1028892A (en) * 1973-10-15 1978-04-04 Monarch Marking Systems Selective printing apparatus
JPH039261U (it) * 1989-06-06 1991-01-29

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508461A1 (en) * 2018-01-04 2019-07-10 Pyrotek Engineering Materials Limited Ceramic foam filter for non-ferrous metals
US11020696B2 (en) 2018-01-04 2021-06-01 Pyrotek Engineering Materials Limited Ceramic foam filter for non-ferrous metals
EP3842401A1 (en) * 2018-01-04 2021-06-30 Pyrotek Engineering Materials Limited Ceramic foam filter for non-ferrous metals

Also Published As

Publication number Publication date
YU37100B (en) 1984-08-31
FR2305407A1 (fr) 1976-10-22
FR2305407B1 (it) 1983-01-21
IT1060714B (it) 1982-08-20
NO148381B (no) 1983-06-20
NL7603208A (nl) 1976-09-30
JPS6017563B2 (ja) 1985-05-04
NO150165C (no) 1984-08-29
ATA225376A (de) 1981-05-15
NO150165B (no) 1984-05-21
NL182289C (nl) 1992-10-16
YU78276A (en) 1983-04-27
CH622230A5 (en) 1981-03-31
DE2613023A1 (de) 1976-10-07
NO801371L (no) 1976-09-29
BR7601848A (pt) 1976-09-28
NO148381C (no) 1983-09-28
DE2660717C2 (it) 1990-04-19
JPS51142162A (en) 1976-12-07
DE2613023C2 (de) 1982-11-18
NO761038L (it) 1976-09-29
AT365088B (de) 1981-12-10

Similar Documents

Publication Publication Date Title
CA1059535A (en) Ceramic foam filter
US3962081A (en) Ceramic foam filter
US4056586A (en) Method of preparing molten metal filter
US4024212A (en) Ceramic foam and method of preparation
US3893917A (en) Molten metal filter
US4257810A (en) Cordierite, silica, alumina porous ceramic body
US4075303A (en) Method of preparation of ceramic foam
CA1293520C (en) Ceramic foam filter and process for preparing same
CA1120066A (en) Ceramic porous bodies
US3947363A (en) Ceramic foam filter
DE3222162C2 (de) Filter zur Filtration von schmelzflüssigen Metallen
DE2838504C2 (it)
Han et al. The effect of sintering temperatures on alumina foam strength
US4921616A (en) Alveolar ceramic filters for high melting metals
US4719013A (en) Ceramic foam filter
US5033531A (en) Casting of molten iron and filters for use therein
US4681624A (en) Method of filtering molten metals using a monolithic refractory honeycomb filter
US4342664A (en) Molten metal filter
DE3140098A1 (de) Filtermedium in form eines stabilen poroesen koerpers
GB1596446A (en) Manufacture of ceramic foams
JPH0222129B2 (it)
CA1053267A (en) Molten metal filter
CA2007450A1 (en) Ceramic filter for the filtering of molten metals
EP1834684A1 (en) Improved fine pore media and method of making same
US4418028A (en) Filtration block for liquid metals and alloys, with a mechanical and physical-chemical effect