CA1123207A - Method and apparatus for the filtration and degassing of molten metal - Google Patents
Method and apparatus for the filtration and degassing of molten metalInfo
- Publication number
- CA1123207A CA1123207A CA326,450A CA326450A CA1123207A CA 1123207 A CA1123207 A CA 1123207A CA 326450 A CA326450 A CA 326450A CA 1123207 A CA1123207 A CA 1123207A
- Authority
- CA
- Canada
- Prior art keywords
- size
- filter
- orifices
- filter plate
- range
- 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
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 89
- 239000002184 metal Substances 0.000 title claims abstract description 89
- 238000007872 degassing Methods 0.000 title claims abstract description 40
- 238000001914 filtration Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 50
- 239000000919 ceramic Substances 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 20
- 230000006872 improvement Effects 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 68
- 239000000155 melt Substances 0.000 description 25
- 230000002093 peripheral effect Effects 0.000 description 18
- 239000012535 impurity Substances 0.000 description 16
- 239000006260 foam Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 239000006261 foam material Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000004581 coalescence Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000011833 salt mixture Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 241000725101 Clea Species 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 101100350775 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) prr-5 gene Proteins 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- JLQUFIHWVLZVTJ-UHFFFAOYSA-N carbosulfan Chemical compound CCCCN(CCCC)SN(C)C(=O)OC1=CC=CC2=C1OC(C)(C)C2 JLQUFIHWVLZVTJ-UHFFFAOYSA-N 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229940042935 dichlorodifluoromethane Drugs 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- -1 tltanium dioxide Chemical compound 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- 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
- 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
- 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
- C22B9/05—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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/900,122 US4159104A (en) | 1978-04-26 | 1978-04-26 | Apparatus for inline degassing and filtration of molten metal |
| US05/900,066 US4158632A (en) | 1978-04-26 | 1978-04-26 | Filter for use in filtration of molten metal |
| US05/900,065 US4165235A (en) | 1978-04-26 | 1978-04-26 | Method for inline degassing and filtration of molten metal |
| US900,065 | 1978-04-26 | ||
| US900,066 | 1978-04-26 | ||
| US900,122 | 1986-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1123207A true CA1123207A (en) | 1982-05-11 |
Family
ID=27420580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA326,450A Expired CA1123207A (en) | 1978-04-26 | 1979-04-26 | Method and apparatus for the filtration and degassing of molten metal |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS54145307A (enrdf_load_stackoverflow) |
| CA (1) | CA1123207A (enrdf_load_stackoverflow) |
| DE (1) | DE2914347A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2424325B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2019734B (enrdf_load_stackoverflow) |
| IT (1) | IT1113910B (enrdf_load_stackoverflow) |
| NL (1) | NL7903316A (enrdf_load_stackoverflow) |
| NO (1) | NO158105C (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2482143A1 (fr) * | 1980-05-06 | 1981-11-13 | Thomson Brandt | Seche-linge a programmation electronique |
| JPS6113073Y2 (enrdf_load_stackoverflow) * | 1981-05-18 | 1986-04-23 | ||
| HU185540B (en) * | 1982-06-25 | 1985-02-28 | Mta Mueszaki Kemiai Kutato Int | Method and apparatus for degasing metal melts and/or removing their non-metallic contaminations |
| NO841240L (no) * | 1984-03-28 | 1985-09-30 | Kongsberg Vapenfab As | Fremgangsmaate og apparat til kontinuerlig eller halvkontinuerlig mating av en kokille eller stoepeform med smeltet magnesiumlegering som er behandlet for aa gi en kornforfiningsvirkning |
| DE3413256A1 (de) * | 1984-04-07 | 1985-10-17 | Varta Batterie Ag, 3000 Hannover | Vorrichtung zur behandlung von schmelzen aus blei und bleilegierungen |
| JP2767262B2 (ja) * | 1988-11-25 | 1998-06-18 | 大同ほくさん株式会社 | アルミニウム溶湯処理方法および装置 |
| DE4305660C2 (de) * | 1993-02-24 | 1994-07-07 | Stephan Mayer | Vorrichtung und Verfahren zur Steuerung der Größenverteilungen von Gas- oder Flüssigkeitsblasen in einem flüssigen Medium |
| DE10127753A1 (de) * | 2001-06-07 | 2002-12-12 | Bayerische Motoren Werke Ag | Reinigung von Aluminium-Gusslegierungen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966101C (de) * | 1948-11-17 | 1957-07-11 | E H Paul Roentgen Dr Ing | Verfahren und Vorrichtung zur Behandlung von schmelzfluessigem Aluminium und Aluminiumlegierungen mit Chlorgas |
| DE817815C (de) * | 1948-11-24 | 1951-10-22 | Erich Hollweg | Verfahren und Vorrichtung zum Raffinieren von Metall- und Leicht-metallschmelzen, insbesondere aus Aluminium-Legierungen |
| FR1130492A (fr) * | 1954-05-13 | 1957-02-06 | Aluminum Co Of America | Procédé et dispositif perfectionnés pour dégazer et purifier des métaux en fusion contenant de l'aluminium |
| BE754558A (fr) * | 1969-08-08 | 1971-02-08 | Alcan Res & Dev | Procede et appareil de filtrage de metaux en fusion |
| US3537987A (en) * | 1969-08-28 | 1970-11-03 | Intalco Aluminum Corp | Method of filtering molten light metals |
| JPS5539601B1 (enrdf_load_stackoverflow) * | 1970-05-12 | 1980-10-13 | ||
| US4032124A (en) * | 1975-03-28 | 1977-06-28 | Swiss Aluminium Ltd. | Apparatus and method for in-line degassing and filtration of molten metal |
| US4052198A (en) * | 1976-02-02 | 1977-10-04 | Swiss Aluminium Limited | Method for in-line degassing and filtration of molten metal |
| US4298187A (en) * | 1978-04-26 | 1981-11-03 | Swiss Aluminium Ltd. | Apparatus for inline degassing and filtration of molten metal |
-
1979
- 1979-04-09 DE DE19792914347 patent/DE2914347A1/de active Granted
- 1979-04-24 NO NO791359A patent/NO158105C/no unknown
- 1979-04-24 JP JP5078579A patent/JPS54145307A/ja active Pending
- 1979-04-24 GB GB7914251A patent/GB2019734B/en not_active Expired
- 1979-04-26 FR FR7910674A patent/FR2424325B1/fr not_active Expired
- 1979-04-26 NL NL7903316A patent/NL7903316A/xx not_active Application Discontinuation
- 1979-04-26 IT IT22185/79A patent/IT1113910B/it active
- 1979-04-26 CA CA326,450A patent/CA1123207A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT7922185A0 (it) | 1979-04-26 |
| FR2424325B1 (fr) | 1987-04-30 |
| JPS54145307A (en) | 1979-11-13 |
| IT1113910B (it) | 1986-01-27 |
| NO158105C (no) | 1988-07-13 |
| NL7903316A (nl) | 1979-10-30 |
| FR2424325A1 (fr) | 1979-11-23 |
| DE2914347C2 (enrdf_load_stackoverflow) | 1987-07-09 |
| NO791359L (no) | 1979-10-29 |
| GB2019734A (en) | 1979-11-07 |
| GB2019734B (en) | 1982-07-21 |
| NO158105B (no) | 1988-04-05 |
| DE2914347A1 (de) | 1979-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4052198A (en) | Method for in-line degassing and filtration of molten metal | |
| US4081371A (en) | Filtering of molten metal | |
| US4165235A (en) | Method for inline degassing and filtration of molten metal | |
| US4298187A (en) | Apparatus for inline degassing and filtration of molten metal | |
| US4092153A (en) | Filtering and inline degassing of molten metal | |
| US4007923A (en) | Molten metal filter | |
| EP0291580B1 (en) | Apparatus for in-line degassing and filtering of aluminium and its alloys | |
| CA1102120A (en) | Apparatus for the filtration of molten metal in a crucible type furnace | |
| US4067731A (en) | Method of treating molten metal | |
| US5126047A (en) | Molten metal filter | |
| US4032124A (en) | Apparatus and method for in-line degassing and filtration of molten metal | |
| US5741422A (en) | Molten metal filter cartridge | |
| US5114472A (en) | Multistage rigid media filter for molten metal and method of filtering | |
| US4158632A (en) | Filter for use in filtration of molten metal | |
| US4154689A (en) | Filtering and inline degassing of molten metal | |
| CA1123207A (en) | Method and apparatus for the filtration and degassing of molten metal | |
| US4769158A (en) | Molten metal filtration system using continuous media filter | |
| US4159104A (en) | Apparatus for inline degassing and filtration of molten metal | |
| US4177066A (en) | Method and apparatus for the removal of impurities from molten metal | |
| CA1090587A (en) | Apparatus and method for in-line degassing and filtration of molten metal | |
| US4179102A (en) | Apparatus for the degassing and filtration of molten metal | |
| US4235627A (en) | Method and apparatus for the degassing of molten metal | |
| US4177065A (en) | Method for the degassing and filtration of molten metal | |
| NZ224429A (en) | Separating inclusions from molten aluminium by deep filtration in an electromagnetic force field | |
| US4166604A (en) | Mold for fabricating a sparger plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |