US20100132913A1 - Casting Method and Casting System for Aluminium or Aluminium Alloys - Google Patents
Casting Method and Casting System for Aluminium or Aluminium Alloys Download PDFInfo
- Publication number
- US20100132913A1 US20100132913A1 US12/596,067 US59606708A US2010132913A1 US 20100132913 A1 US20100132913 A1 US 20100132913A1 US 59606708 A US59606708 A US 59606708A US 2010132913 A1 US2010132913 A1 US 2010132913A1
- Authority
- US
- United States
- Prior art keywords
- casting
- ladles
- station
- aluminium
- melt
- 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
Links
- 238000005266 casting Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 6
- 239000004411 aluminium Substances 0.000 title claims description 7
- 238000011282 treatment Methods 0.000 claims abstract description 12
- 239000000155 melt Substances 0.000 claims abstract description 6
- 238000009749 continuous casting Methods 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims abstract 2
- 239000000274 aluminium melt Substances 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000000265 homogenisation Methods 0.000 claims description 6
- 238000007792 addition Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
- B22D41/13—Ladle turrets
Definitions
- the invention relates to a casting method for aluminium or aluminium alloys according to the preamble to claim 1 and to a casting system for implementation of the method.
- the object which forms the basis of the present invention is to further improve and simplify the casting method of the previously specified type as well as a casting system for implementation of the method.
- This object is achieved according to the invention by a casting method with the features of claim 1 and by a casting system with the features of claim 6 .
- At the casting station at least two filled ladles can be provided, a respective one of which is emptied into a mutual inflow channel so that a continuous casting operation can be guaranteed.
- the consecutive emptying of the ladles provided can be implemented by opening their slide closures, preferably in a controlled manner.
- the ladles do not have to be conveyed to a further treatment station and from there to the casting station, but the treatment of the aluminium melt can advantageously be implemented in the ladle or ladles provided at the casting station and not yet subjected to emptying.
- FIG. 1 a side view of an exemplary embodiment of a casting system according to the invention for aluminium or aluminium alloys
- FIG. 2 a top view of the casting system according to FIG. 1 .
- FIG. 1 diagrammatically shows a casting system for aluminium or aluminium alloys with which scrap aluminium is introduced as a base material into a melting furnace 10 .
- the melt produced in the melting furnace 10 is introduced into a heat conservation chamber 12 of a filling station 11 from where it is respectively filled into a ladle 15 at regular intervals with the aid of an immersion pipe 13 .
- the melting furnace 10 can preferably be an induction furnace which has, for example, a holding capacity of 1.75 t and in which 2 t material per hour can be melted. From the heat conservation chamber 12 with a holding capacity of 3.5 t ladles with a holding capacity of 2 t can then be filled, the other 1.5 t then remaining for further charging in the heat conservation chamber 12 .
- liquid aluminium to the filling station 11 as the base material or to fill it directly into the ladles 15 .
- the ladles 15 filled in the filling station 11 are preferably conveyed directly to a casting station 20 , this being for example a continuous casting system, known in its own right, with a plurality of moulds 21 , and in which the actual casting operation takes place.
- a casting station 20 this being for example a continuous casting system, known in its own right, with a plurality of moulds 21 , and in which the actual casting operation takes place.
- at least two filled ladles 15 , 15 ′ are respectively positioned at the inflow of the casting station 20 (according to the drawing two ladles are provided), of which a respective one is emptied into a mutual inflow channel 27 by opening its slide closure 25 ( FIG. 1 ).
- the aluminium melt passes into the individual moulds 21 via the inflow channel 27 .
- any possible treatment of the aluminium melt preferably takes place in the ladle or ladles 15 , 15 ′ provided at the casting station 20 and which have not yet been subjected to emptying. Accordingly, during the casting operation the one ladle 15 containing the already treated aluminium melt is emptied, while the melt is treated in the other ladle 15 ′.
- This can involve the addition of alloy additions, or cleaning and homogenisation, and if necessary temperature regulation.
- the treatment could already be implemented at least partially beforehand, i.e. before positioning the ladle at the inflow of the casting station 20 (for example the alloy additions can already be introduced before filling into the ladles 15 , 15 ′ or an additional treatment station could be provided).
- a fan wheel for example, for injecting argon or nitrogen can be immersed into the ladle 15 ′ provided at the casting station and not yet subjected to emptying for the combined elimination of hydrogen, homogenisation and if necessary heat regulation, it also being possible to additionally mix small quantities of chlorine into the cleaning gas in order to eliminate any alkaline traces of contamination.
- the slide closure 25 of the other ladle 15 ′ is opened and the casting operation is continuously pursued, the emptied ladle 15 being replaced by a new one. Operation of the slide closures 25 is preferably controlled.
- FIG. 1 only shows a supporting frame 29 for the latterly specified version).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Continuous Casting (AREA)
Abstract
In a casting method, or a casting system for aluminum, or aluminum alloys, aluminum melt is filled into a plurality of pans (15, 15′). Said pans (15, 15′) are used for treatment, if needed, and delivered to a casting station (20), in which they are subsequently emptied, and the melt is casted into semi-finished products. At least two filled pans (15, 15′) are provided in order to ensure a continuous casting operation in the casting station (20), the melt of at least one of which is drained into a mutual inflow channel (27).
Description
- The invention relates to a casting method for aluminium or aluminium alloys according to the preamble to claim 1 and to a casting system for implementation of the method.
- It is known from EP-A-1 607 156 to use, instead of so-called in-line casting with which the aluminium melt flows from a melting or a heat conservation furnace via a long channel to a casting station, and is subjected here to different treatments, ladles for the treatment and conveyance of aluminium melt to preferably a number of casting stations, and so to separate this process phase temporally from the actual casting operation. The ladles filled with melt are conveyed to at least one further stage and treated here, and are then delivered to the casting station where they are emptied.
- The object which forms the basis of the present invention is to further improve and simplify the casting method of the previously specified type as well as a casting system for implementation of the method.
- This object is achieved according to the invention by a casting method with the features of claim 1 and by a casting system with the features of claim 6.
- Preferred further embodiments of the casting method according to the invention and of the casting system according to the invention form the subject matter of the dependent claims.
- According to the invention, at the casting station at least two filled ladles can be provided, a respective one of which is emptied into a mutual inflow channel so that a continuous casting operation can be guaranteed. The consecutive emptying of the ladles provided can be implemented by opening their slide closures, preferably in a controlled manner. The ladles do not have to be conveyed to a further treatment station and from there to the casting station, but the treatment of the aluminium melt can advantageously be implemented in the ladle or ladles provided at the casting station and not yet subjected to emptying.
- In the following the invention will be described in greater detail by means of the drawings. These show as follows:
- FIG. 1—a side view of an exemplary embodiment of a casting system according to the invention for aluminium or aluminium alloys; and
- FIG. 2—a top view of the casting system according to
FIG. 1 . -
FIG. 1 diagrammatically shows a casting system for aluminium or aluminium alloys with which scrap aluminium is introduced as a base material into amelting furnace 10. However, blocks provided for remelting could also be used as the base material. The melt produced in themelting furnace 10 is introduced into aheat conservation chamber 12 of afilling station 11 from where it is respectively filled into aladle 15 at regular intervals with the aid of animmersion pipe 13. Themelting furnace 10 can preferably be an induction furnace which has, for example, a holding capacity of 1.75 t and in which 2 t material per hour can be melted. From theheat conservation chamber 12 with a holding capacity of 3.5 t ladles with a holding capacity of 2 t can then be filled, the other 1.5 t then remaining for further charging in theheat conservation chamber 12. - It is also possible to supply liquid aluminium to the
filling station 11 as the base material or to fill it directly into theladles 15. - The
ladles 15 filled in thefilling station 11 are preferably conveyed directly to acasting station 20, this being for example a continuous casting system, known in its own right, with a plurality ofmoulds 21, and in which the actual casting operation takes place. According to the invention at least two filledladles mutual inflow channel 27 by opening its slide closure 25 (FIG. 1 ). The aluminium melt passes into theindividual moulds 21 via theinflow channel 27. - Any possible treatment of the aluminium melt preferably takes place in the ladle or
ladles casting station 20 and which have not yet been subjected to emptying. Accordingly, during the casting operation the oneladle 15 containing the already treated aluminium melt is emptied, while the melt is treated in theother ladle 15′. This can involve the addition of alloy additions, or cleaning and homogenisation, and if necessary temperature regulation. Of course the treatment could already be implemented at least partially beforehand, i.e. before positioning the ladle at the inflow of the casting station 20 (for example the alloy additions can already be introduced before filling into theladles - A fan wheel, for example, for injecting argon or nitrogen can be immersed into the
ladle 15′ provided at the casting station and not yet subjected to emptying for the combined elimination of hydrogen, homogenisation and if necessary heat regulation, it also being possible to additionally mix small quantities of chlorine into the cleaning gas in order to eliminate any alkaline traces of contamination. - As soon as the one
ladle 15 is emptied (or shortly before), theslide closure 25 of theother ladle 15′ is opened and the casting operation is continuously pursued, the emptiedladle 15 being replaced by a new one. Operation of theslide closures 25 is preferably controlled. - The conveyance of the
ladles filling station 11 to thecasting station 20 takes place on rails or by means of incumbent cranes (FIG. 1 only shows a supportingframe 29 for the latterly specified version).
Claims (12)
1. A casting method for aluminium or aluminium alloys wherein aluminium melt is filled into a plurality of ladles (15, 15′), if necessary is treated in the latter, and is delivered to a casting station (20) in which the ladles (15, 15′) are emptied, and the melt is cast into semi-finished products, characterised in that in order to ensure a continuous casting operation at least two filled ladles (15, 15′) can be provided at the casting station (20), the melt of one of which respectively is emptied into a mutual inflow channel (27).
2. The casting method according to claim 1 , characterised in that the consecutive emptying of the ladles (15, 15′) provided takes place with controllable opening of their slide closures (25).
3. The casting method according to claim 1 , characterised in that the treatment of the aluminium melt takes place in the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying.
4. The casting method according to claim 3 , characterised in that alloy additions are added to the aluminium melt in the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying, or cleaning and homogenisation and if necessary temperature regulation is implemented.
5. The casting method according to claim 4 , characterised in that a fan wheel for injecting argon or nitrogen can be immersed into the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying for the combined elimination of hydrogen, homogenisation and if necessary heat regulation, it also being possible to additionally mix small quantities of chlorine into the cleaning gas in order to eliminate any alkaline traces of contamination.
6. A casting system for implementation of the method according to claim 1 , with a plurality of ladles (15, 15′) which can be filled with the aluminium melt at a first filling station (11) and which can be conveyed to a casting station (20) and can be emptied at the latter by opening their slide opening (25), means being provided for any treatment of the aluminium melt before casting, characterised in that at least two filled ladles (15, 15′) can be positioned at the casting station (20), one of which can respectively be emptied into a mutual inflow channel (27).
7. The casting system according to claim 6 , characterised in that the means for any treatment of the aluminium melt are assigned to the ladles (15, 15′) that can be positioned at the casting station (20).
8. The casting system according to claim 6 , characterised in that rails or cranes are provided for conveying the ladles (15, 15′) from the filling station (11) to the casting station (20).
9. The casting system according to claim 7 , characterised in that rails or cranes are provided for conveying the ladles (15, 15′) from the filling station (11) to the casting station (20).
10. The casting method according to claim 2 , characterised in that the treatment of the aluminium melt takes place in the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying.
11. The casting method according to claim 10 , characterised in that alloy additions are added to the aluminium melt in the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying, or cleaning and homogenisation and if necessary temperature regulation is implemented.
12. The casting method according to claim 11 , characterised in that a fan wheel for injecting argon or nitrogen can be immersed into the ladle (15′) or ladles provided at the casting station (20) and not yet subjected to emptying for the combined elimination of hydrogen, homogenisation and if necessary heat regulation, it also being possible to additionally mix small quantities of chlorine into the cleaning gas in order to eliminate any alkaline traces of contamination.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH639/07 | 2007-04-16 | ||
| CH6392007 | 2007-04-16 | ||
| PCT/EP2008/002936 WO2008125319A1 (en) | 2007-04-16 | 2008-04-14 | Casting method and casting system for aluminum or aluminum alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20100132913A1 true US20100132913A1 (en) | 2010-06-03 |
Family
ID=39494183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/596,067 Abandoned US20100132913A1 (en) | 2007-04-16 | 2008-04-14 | Casting Method and Casting System for Aluminium or Aluminium Alloys |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100132913A1 (en) |
| EP (1) | EP2136945A1 (en) |
| AU (1) | AU2008238227A1 (en) |
| CA (1) | CA2684354A1 (en) |
| RU (1) | RU2009141970A (en) |
| WO (1) | WO2008125319A1 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928748A (en) * | 1987-05-06 | 1990-05-29 | R. Guthrie Research Associates Inc. | Continuous casting of thin metal strip |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1607156B1 (en) * | 2004-06-16 | 2009-01-21 | Stopinc Aktiengesellschaft | Casting method and installation for casting aluminium or aluminium alloys |
-
2008
- 2008-04-14 RU RU2009141970/02A patent/RU2009141970A/en unknown
- 2008-04-14 CA CA002684354A patent/CA2684354A1/en not_active Abandoned
- 2008-04-14 US US12/596,067 patent/US20100132913A1/en not_active Abandoned
- 2008-04-14 WO PCT/EP2008/002936 patent/WO2008125319A1/en not_active Ceased
- 2008-04-14 EP EP08735216A patent/EP2136945A1/en not_active Withdrawn
- 2008-04-14 AU AU2008238227A patent/AU2008238227A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928748A (en) * | 1987-05-06 | 1990-05-29 | R. Guthrie Research Associates Inc. | Continuous casting of thin metal strip |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009141970A (en) | 2011-05-27 |
| AU2008238227A1 (en) | 2008-10-23 |
| WO2008125319A1 (en) | 2008-10-23 |
| EP2136945A1 (en) | 2009-12-30 |
| CA2684354A1 (en) | 2008-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: STOPINC AKTIENGESELLSCHAFT,SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GERBER, PIERRE;REEL/FRAME:023899/0427 Effective date: 20091217 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |