KR900011502A - Ceramic Filter for Filtration of Molten Metals - Google Patents

Ceramic Filter for Filtration of Molten Metals Download PDF

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Publication number
KR900011502A
KR900011502A KR1019900000296A KR900000296A KR900011502A KR 900011502 A KR900011502 A KR 900011502A KR 1019900000296 A KR1019900000296 A KR 1019900000296A KR 900000296 A KR900000296 A KR 900000296A KR 900011502 A KR900011502 A KR 900011502A
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KR
South Korea
Prior art keywords
foam
ceramic
filter
dough
saturated
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KR1019900000296A
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Korean (ko)
Inventor
칼리쉬 베르너
스튓쨀 라이너
리이쯔셰어 롤프
Original Assignee
질라지 마리안네, 린크 루돌프
게오르그 피셔 악티엔게젤샤프트
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Application filed by 질라지 마리안네, 린크 루돌프, 게오르그 피셔 악티엔게젤샤프트 filed Critical 질라지 마리안네, 린크 루돌프
Publication of KR900011502A publication Critical patent/KR900011502A/en

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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

Abstract

내용 없음No content

Description

용해금속의 여과를 위한 세라믹필터Ceramic Filter for Filtration of Molten Metals

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 하소(遐燒)전, 세라믹필터의 확대단면도, 제2a 및 2b도는 둘러싸고 있는 폐쇄층의 제조에 관한 실시형태, 제3도는 마주보고 있으며 폐쇄된 두 개의 경계층의 제조를 위한 두 개의 실시형태.FIG. 1 is an enlarged cross-sectional view of a ceramic filter before calcination, and FIGS. 2A and 2B are embodiments relating to the manufacture of enclosed closed layers, and FIG. 3 is two implementations for the manufacture of two closed boundary layers facing each other. shape.

Claims (16)

두개의 서로 마주보고 있으며 용융금속의 관통방향에 수직한 관통면(3)과 적어도 한개의 관통방향으로 펼쳐져 있는 측면(2)을 가지고 있으며 이때 높은 점도의 세라믹반죽(4)으로 유기포말재가 포화되고 건조된 후 포말재(1)가 가열제거되고 남아있는 세라믹(4)이 연소되며 경우에 따라서 상부표면이 건조된 후 내화재로 재처리되는, 용융금속을 여과하기 위하여 융점이 높은 세라믹으로 이루어져 있는 개방쎌 포말구조를 가진 세라믹 필터에 있어서, 측면(n) (2)가 모두 0.5내지 3㎜두께의 내화재로 만들어진 폐쇄층(5)를 가지고 있는것을 특징으로 하는 세라믹필터.Two facing each other and has a through surface (3) perpendicular to the penetration direction of the molten metal and the side (2) extending in at least one penetration direction, wherein the organic foam material is saturated with high viscosity ceramic dough (4) After drying, the foam material (1) is removed by heating and the remaining ceramic (4) is burned and, if necessary, the upper surface is dried and then reprocessed with a refractory material, which is made of a high melting point ceramic to filter molten metal. (B) A ceramic filter having a foam structure, characterized in that the side faces (n) (2) all have a closed layer (5) made of a refractory material having a thickness of 0.5 to 3 mm. 제1항에 있어서, 포말구조의 자유쎌(6)이 내화재로 만들어진 피막(7)에 의해서 관면(3)쪽으로 폐쇄되어 있는 것을 특징으로 하는 세라믹필터.The ceramic filter according to claim 1, wherein the free shock (6) of the foam structure is closed toward the tube surface (3) by a coating (7) made of a refractory material. 제1 또는 2항에 있어서 0.1내지 1㎜두께의 피막이 입혀지는 것을 특징으로 하는 세라믹필터.The ceramic filter according to claim 1 or 2, wherein a film having a thickness of 0.1 to 1 mm is coated. 제1,2 또는 3항에 있어서, 내화성재료로 만들어진 층(5) 및/또는 피막(7)이 포화를 위하여 사용되는 세라믹페이스트로 제작되는 것을 특징으로 하는 세라믹필터.4. Ceramic filter according to claim 1, 2 or 3, characterized in that the layer (5) and / or coating (7) made of refractory material is made of ceramic paste used for saturation. 제1, 2, 3또는 4항에 있어서, 유기포말이 높은 융점의 세라믹으로 구성된 높은 정도의 반죽으로 포화, 건조되고 유기포말을 제거하기 위하여 가열하소되며, 필요에 따라, 상부표면이 내화재로 재처리되는 세라믹필터를 제조하는 방법에 있어서, 둘러싸고 있는 측면부분의 주변전체에 두께 0.5내지 3㎜의 폐쇄층이 형성될 정도로 많은 내열재가 포말재에 삽입되는 것을 특징으로 하는 제조방법.The method according to claim 1, 2, 3 or 4, wherein the organic foam is saturated and dried with a high degree of dough composed of a high melting point ceramic and heated and calcined to remove the organic foam, and if necessary, the upper surface is made of fireproof material. A method of manufacturing a ceramic filter to be treated, wherein the heat-resistant material is inserted into the foam material so that a closed layer having a thickness of 0.5 to 3 mm is formed all around the surrounding side portion. 제5항에 있어서 자유쎌이 포말구조의 관통면쪽에서 피막의 형태로 내화재로써 재처리되는 것을 특징으로 하는 처리방법.6. The treatment method according to claim 5, wherein the free shock is reprocessed with a refractory material in the form of a coating on the penetrating surface side of the foam structure. 제5 또는 6항에 있어서, 자유쎌의 피막이 두께 0.1내지 1㎜밀도 40내지 400㎎/㎠으로 입혀지는 것을 특징으로 하는 처리방법.The treatment method according to claim 5 or 6, wherein the free film is coated with a thickness of 0.1 to 1 mm and a density of 40 to 400 mg / cm 2. 제5 내지 7항중 어느 한 항에 있어서, 유기포말이 포말과 같은 기저면을 보여주는 압착기에 의해서 압착된 다음 이완될 수 있는 것을 특징으로 하는 처리방법.8. Process according to any one of claims 5 to 7, characterized in that the organic foam can be compressed and then relaxed by a compactor showing a basal surface such as foam. 제5 내지 7항중 어느 한 항에 있어서, 과잉의 반죽을 짜내기 위하여 포화된 유기포말이 열여진 벨트쌍에 의해 이송되는 것을 특징으로하는 처리방법.8. Process according to any one of claims 5 to 7, characterized in that the saturated organic foam is conveyed by opened belt pairs to squeeze out excess dough. 제5내지 7항중 어느 한 항에 있어서, 포화될 때 폐쇄반죽층이 측면(n)에서 형성되도록 유기포말의 구멍의 수가 측면(n)에서 감소되는 것을 특징으로 하는 처리방법.8. Process according to any one of claims 5 to 7, characterized in that the number of holes in the organic foam is reduced at the side (n) so that when it is saturated the closed dough layer is formed at the side (n). 제10항에 있어서, 폐쇄된 반죽층이 두께에 일치하는 보다작은 수의 구멍을 가진 포말재를 붙임으로써 구멍수가 감소될 수 있는 것을 특징으로 하는 처리방법.11. The method of claim 10, wherein the number of pores can be reduced by attaching a foam material having a smaller number of pores matching the thickness of the closed dough layer. 제10항에 있어서, 측면(n)에 미세한 접착섬유로 만든 직물을 붙임으로써 구멍의 수가 감소하는 것을 특징으로 하는 처리방법.12. The treatment method according to claim 10, wherein the number of holes is reduced by attaching a fabric made of fine adhesive fibers to the side n. 제5 내지 7항중의 어느 한 항에 있어서, 포화, 건조 및 연소된 포말이 적어도 한개의 수직한 로울러 압연기 쌍에 의해 측면으로 이송되고 높은 점도의 반죽이 부과되며 정해진 두께로 필터속으로 압축되는 것을 특징으로 하는 처리방법.8. The method of any of claims 5 to 7, wherein the saturated, dried and burnt foam is conveyed laterally by at least one vertical roller mill pair and a high viscosity dough is applied and pressed into the filter to a predetermined thickness. Characterized in the treatment method. 제5 내지 7항중 어느 한 항에 있어서, 연소된 필터가 적어도 한개의 수직한 로울러 압연기에 의해서 측면으로 이송되고 내화성의 공기를 제거한 재료가 부과되며 정해진 두께로 필터속으로 압축되는 것을 특징으로 하는 처리방법.8. Process according to any one of claims 5 to 7, characterized in that the burnt filter is conveyed laterally by at least one vertical roller rolling mill and the refractory air is removed and compressed into the filter to a predetermined thickness. Way. 제5 내지 14항중 어느 한 항에 있어서, 포화, 건조 및 연소된 포말이 수직한 로울러 압연기에 의해서 이송되고 높은 점도의 반죽에 의해 자유쎌에 피막이 입혀지는 것을 특징으로 하는 처리방법.The process according to any one of claims 5 to 14, wherein the saturated, dried and burnt foam is conveyed by a vertical roller rolling machine and the film is freely coated by a high viscosity dough. 제5 내지 15항중 어느 한항에 있어서, 연소된 필터가 수직한 로울러 압연기 쌍에 의해서 이송되고 공기를 제거한 내화성의 재료에 의해서 자유쎌에 피막이 입혀지는 것을 특징으로 하는 처리방법.16. The treatment method according to any one of claims 5 to 15, wherein the burnt filter is coated by a fire resistant material which is transported by a pair of vertical roller mills and which removes air. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900000296A 1989-01-11 1990-01-11 Ceramic Filter for Filtration of Molten Metals KR900011502A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
KR900011502A true KR900011502A (en) 1990-08-01

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ID=4178808

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000296A KR900011502A (en) 1989-01-11 1990-01-11 Ceramic Filter for Filtration of 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)

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WO2003057930A1 (en) * 2001-12-28 2003-07-17 Eckert C Edward Filter media and method using the filter media for treating molten aluminium
KR101484555B1 (en) * 2010-03-19 2015-01-20 포세코 인터내셔널 리미티드 Method for the production of a refractory filter

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Also Published As

Publication number Publication date
BE1002969A5 (en) 1991-10-08
GB9000617D0 (en) 1990-03-14
DK6290D0 (en) 1990-01-10
CA2007450A1 (en) 1990-07-11
CH679746A5 (en) 1992-04-15
ZA90198B (en) 1990-10-31
NO900129D0 (en) 1990-01-10
SE9000055L (en) 1990-07-12
ES2019014A6 (en) 1991-05-16
DD291480A5 (en) 1991-07-04
AU624465B2 (en) 1992-06-11
YU250189A (en) 1990-12-31
NO175874C (en) 1994-12-21
GB2227185A (en) 1990-07-25
DK6290A (en) 1990-07-12
FI900143A0 (en) 1990-01-10
AU4773690A (en) 1990-07-19
HU900107D0 (en) 1990-05-28
JPH02229515A (en) 1990-09-12
NO175874B (en) 1994-09-12
NO900129L (en) 1990-07-12
PT92846A (en) 1990-07-31
FR2641475A1 (en) 1990-07-13
FI900143A (en) 1990-07-12
IT9019040A1 (en) 1990-07-12
GB2227185B (en) 1993-03-10
AR243093A1 (en) 1993-07-30
BR9000098A (en) 1991-10-08
FR2641475B1 (en) 1992-09-18
IT9019040A0 (en) 1990-01-10
NL9000009A (en) 1990-08-01
MX173465B (en) 1994-03-07
ATA288689A (en) 1993-05-15
IL92973A0 (en) 1990-09-17
AT396875B (en) 1993-12-27
IT1238156B (en) 1993-07-09

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