CN1247348C - Strip casting machine for production of metal strip - Google Patents
Strip casting machine for production of metal strip Download PDFInfo
- Publication number
- CN1247348C CN1247348C CN01815908.7A CN01815908A CN1247348C CN 1247348 C CN1247348 C CN 1247348C CN 01815908 A CN01815908 A CN 01815908A CN 1247348 C CN1247348 C CN 1247348C
- Authority
- CN
- China
- Prior art keywords
- shell
- casting rolls
- opening
- band conticaster
- metal tape
- 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
Links
- 238000005266 casting Methods 0.000 title claims abstract description 62
- 239000002184 metal Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0697—Accessories therefor for casting in a protected atmosphere
Abstract
The invention relates to a strip casting machine for production of a metal strip, comprising two adjacent case-width casting rollers (22, 24), forming a casting gap (15'), with side seals (25) arranged on the front face thereof. The rotating casting rollers are mounted on a machine mount (32). Between the above and the side seals (25), the metal melt, introduced by means of at least one casting tube (13), or similar, is protected by at least one gaseous medium. At least said casting rollers (22, 24) are surrounded on at least the case width and front face thereof as well as the side seals by a preferably multi-component housing (30, 60, 80). An optimal sealing of the casting rollers, as well as the metal strip and the metal strip appearing from between the rollers can thus be achieved in a simple manner.
Description
Technical field
The present invention relates to make the band conticaster of metal tape; it have two that be set up in parallel, form and to water seam together and casting rolls that have a suit width respectively; be rotatably supported on the frame and in that side seal and described casting rolls are being set on the end face of described casting rolls, wherein between these two casting rolls and side seal, can be subjected to the protection of at least a gaseous medium by the molten metal that at least one mouth of a river or similar means inject by at least one motor-driven.
Background technology
In the band conticaster according to the above-mentioned type of document WO-A-97/34718, horizontally disposed casting rolls is bearing in the frame of a carrying casting rolls, and a tundish is placed on the described frame.For the sealing metal liquid-pool surface, be provided with an approximate plate that is placed in the liquid pool top abreast, this plate has sealed casting rolls.Below casting rolls, be provided with adjacent with this wallboard and the chest that constitute by a plurality of parts of the opposition wallboard that links to each other with frame and, band just comes out from this chest.The shortcoming of this band conticaster is that the structure of sealing metal liquid pool or formed metal tape is more bothersome.
In another kind of known twin-roll type strip casting machine according to document EP-A-0780177, in order to seal the frozen metal band that between casting rolls, comes out from following, be provided with a box describe device, this wall of a container portion extends to the lower casing of each casting rolls always, and produces sealing by a seal.But, such sealing is not only more bothersome on the structure, and repairs also bothersomely, has determined people not wish that seal touches the casting rolls of rotation thus.When sealing leak occurring, just there is such danger, the oxide skin generation phenomenon of strip quality has promptly appearred reducing in metal tape.
Summary of the invention
Therefore, task of the present invention provides a kind of band conticaster of the above-mentioned type, by this conticaster, can realize not only metal reservoir or the relative surrounding air of formed metal tape sealed in good condition and completely cut off, and simplify the operation and maintenance of conticaster.
In order to finish this task; the invention provides a kind of band conticaster of making metal tape; it has two and establishes side by side; form and water casting rolls seam and that have a suit width respectively together; the distolateral last and described casting rolls that side seal is arranged on described casting rolls is rotatably supported on the frame and by at least one motor-driven; wherein between two described casting rolls and described side seal, can be subjected to the protection of at least a gaseous medium by the molten metal that at least one mouth of a river is injected; wherein; at least these casting rolls respectively at least in the scope of its suit width and end face and described side seal be surrounded by a shell that constitutes by a plurality of parts; described shell is being equipped with an opening that is used to extend to two these mouths of a river between the described casting rolls on its top side; and described shell be equipped with on its bottom side one be used for watering by formed this between two described casting rolls seam from below the opening of the metal tape that comes out; and be provided with an additional vertical housing below described shell, this vertical housing constitutes the therefrom chamber of process of this metal tape.
In addition, this opening that this metal tape that is out on the bottom side of this shell is offered feeds this vertical housing and by a sealing device two chambers of this shell and this vertical housing is separated airtightly.In addition, the described opening on the shell bottom side is the seam shape, and the sealing device is made of sealing strip or sealed roller, and they are from two side directed these metal tapes that come out through this opening.
This shell preferably is the case shape and is arranged on side and end face spaced apart with described casting rolls.Closed this shell can be equipped with at least one door removable and horizontal positioned on the top side, this is adjacent above these casting rolls down in off position.Here, on the bottom side, give respectively described door attach troops to a unit one respectively with the sealing system of one of them described casting rolls and this side seal cooperating, the sealing system constitutes a chamber that is positioned at described molten metal top, all the other interior chambers of this chamber and this shell are separated.And this chamber that is made of the sealing system is filled with a kind of inert gas, and all the other chambers in this shell are filled with another kind of inert gas, and perhaps this shell and this vertical housing also form heat insulation.The described shell that is made of a plurality of parts is preferably by water-cooled.
By ground design band conticaster, can obtain be not only the optimal seal that is filled in the metal reservoir between the casting rolls by plain mode, and obtain from the below from the optimal seal of the metal tape that comes out between the casting rolls according to the present invention.
But, for maintaining, still can so, can improve the operating efficiency of conticaster fast simply near these casting rolls and side seal.
Description of drawings
Below, describe embodiments of the invention and other advantage thereof in conjunction with the accompanying drawings in detail, wherein:
Fig. 1 is the signal longitudinal section of band conticaster of the present invention;
Fig. 2 is the cross-sectional view along band conticaster casting rolls axis of the present invention of shell;
Fig. 3 is the sectional view along the shell of Fig. 2;
Fig. 4 is the schematic diagram of another flexible program of band conticaster.
The specific embodiment
But Fig. 1 represents metal tape 15 that a continuous casting is made and especially with the band conticaster 20 of steel.Band conticaster 20 is placed on the platform 12 and provides molten metal 16 by a tundish 18 that is positioned at its top, and this is as knowing in common conticaster itself.That tundish 18 suitably has a sealing of an available stopper 19 or similar means and have an outlet 17 that extends to the mouth of a river 13 between the casting rolls 22,24, liquation can flow out by this mouth of a river.
Band conticaster 20 mainly has the casting rolls 22,24 of two substantially parallel pivot center trends of establishing and level of approximation is arranged side by side, these casting rolls are equipped with a side seal 62 respectively on two end face, so, form one have one open downwards water seam 15 ' the opening 26 of approximate sealing.Casting rolls 22,24 is bearing on the frame that schematically illustrates 32 respectively in both sides and respectively by a motor-driven that is integrated in the frame rotationally.
According to the present invention; casting rolls 22,24 is got up by closed shell 30 covers; described shell have on the surface thereon an opening 30 that is used to extend to the mouth of a river 13 between the casting rolls 22,24 ' and on its bottom surface, have the opening 30 of a metal tape that is used to flow out 15 ", wherein these openings 30 ', 30 " be sealed and the chamber 33 of shell is filled with protective gas and preferably is filled with inert gas in casting process.When using two or more mouth of a river, on upper surface, also can be provided with a plurality of bands mouth of a river or not with the mouth of a river and can be circular or the opening 30 of seam shape '.
The shell 30 that is designed to box-shaped very advantageously is arranged to not only up but also is spaced apart at side and casting rolls 22,24 or frame 32, thereby externally isolated seal needn't be set, as seal required in conticaster according to above-mentioned document EP-A-0780177.
On upper surface, shell 30 has the door 35 of two horizontal positioned, and they are so designs, and promptly they can be from the position that a closed position level of immigration is as shown in Figure 1 removed.For this reason, their side guiding in corresponding unshowned guide rail move, in the closed position shown in wherein they advantageously drop to, to reach set shell 30 sealings.
But, also Yishanmen can only be set, so that perhaps save sealing off gap.Such Yishanmen advantageously has the size that is similar to door shown in two fans, thereby, this Yishanmen be equipped with the opening 30 that is used for liquation and flows through '.
In addition, also be equipped with the opening 39 that to close by door 36 for shell 30 in the side, the effect of described opening is that this shell 30 be left or entered to the side seal 62 of casting rolls 22,24 can from illustrated operating position through this opening 39 by an operating mechanism 40 that can move respectively in shell 30.Operating mechanism 40 has a keeping arm 41 and an adjustable for height driving mechanism 42 for this reason.Otherwise it can enter from the operating position one return the maintenance position remove and.On the operating position of operating mechanism 40, the opening 39 of can not close by independent protection cover 38 auxiliary seals, wherein protective cover 38 covers operating mechanism 40 and thereby presses closer shell 30 in the side.In addition, show the chest that is used to shift near and take away side seal 62.
Within the scope of the present invention; as another advantage; cast metal band 15 is admitted to below shell 30 in the additional vertical housing 44; this vertical housing forms a chamber 45; in this chamber, also exist protective gas, so that do not make metal tape 15 touch oxygen and and then prevent to form oxide skin.In chamber 45, be provided with a plurality of rollers 46 and pressure roller 47, thereby guide wire band 15 through vertical housings 44 and through one distolateral in vertical housing sealed opening 48.After leaving vertical housing 44, processing has for example been rolled up or otherwise accepted to the metal tape that always is cooled.
In addition, vertically housing 44 is at opening 30 " or water seam 15 ' below have a groove 49, a collection container 52 that always is placed on the device bottom 51 is wherein arranged.The task of collection container 52 is, when leaking, collect from below flow to liquation outside the casting rolls, thereby do not produce any danger.Above collection container 52, also be provided with rotating defelctor apron 54,55, they shown in form on the position passage and thereby the position shown in the dotted line 54 ', 55 ' on played the effect of metal tape 15 guide rails.
Under casting condition shown in Figure 1, the upper shed 30 in the shell 30 ' sealed by telescopic 11 similar devices such as grade that tundish 18 is linked to each other with this shell, wherein this sleeve-shaped telescopic 11 surrounds the mouth of a river 13.One section idle running can be saved and stipulate in the described mouth of a river also.The shell under shed 30 of 15 processes of band " for example can produce by nozzle 34 by one and be closed as the air curtain of sealing device.But, the sealing device be in principle can save and opening 30 " thereby lead directly in the chamber 45.
In addition, shell 30 have one that be not shown specifically and be used for protective gas is blown into the transfer pipeline of chamber 33.Protective gas also can additionally be admitted in the tundish 18 that is equipped with a lid.The gas that is admitted to shell 30 can be cooled and reclaims by a gas circulation loop.Before cast finished the back and opening shell, protective gas can be inhaled in the holder and perhaps filter out air in this holder.
Fig. 2,3 represents the flexible program of a band conticaster in principle, and this band conticaster itself is to design according to mode same as in figure 1.In this band conticaster, be provided with a shell 60, in this shell, according to the present invention, casting rolls 22,24 in its suit width and end face scope and the shell 60 that constituted by many parts of side seal 62 cover, but the motor cabinet 61 of the axle 64 of supporting casting rolls 22,24 is not covered.Shell 60 surrounds this axle and side seal 62 in the both sides of casting rolls, side seal has driving mechanism 66.On upper surface, it be configured to shown in tundish 18 spaced apart.
When carrying out the transition to vertical housing 65, the shell 60 that is made of a plurality of parts is equipped with a platform cover plate 67, and it can be fixed on vertical housing by a fixed mechanism 69.
Between shell 60 and vertical housing 65 opening 70 is arranged, by this opening, shell 60 and vertical housing 65 communicate with each other.Vertically housing 65 advantageously is closed fully and has a unique sealed entry near cast metal band 15.
Fig. 4 represents to have the band conticaster of the present invention of two casting rolls 22,24, and described casting rolls is installed in the shell 80.Shell 80 is made of the fixing rotationally lid 82 of a double-walled sidewall 81 and, as the lid 82 by being opened ' shown in like that.
Within the scope of the present invention, shell 80 surrounds casting rolls 22,24 and side seal 83.In addition, shell has an opening 84 below, the chamber 85 of this opening and a vertical housing 85 ' be communicated with.Shell 80 is positioned in the support 88 of a belt wheel 87, and the described guiding of taking turns on track 89 moves.
In addition, shell 80 and vertical housing 85 are advantageously accepted water-cooled, thereby they do not have along with the passing of working time by superheated.
Under the situation of band conticaster shown in Figure 4, form the structure depend on specification, this be because this shell can be made according to the difference of casting rolls diameter bigger or smaller.
Claims (8)
1; make the band conticaster of metal tape; it has two and establishes side by side; form and water casting rolls (22 seam (15 ') and that have a suit width respectively together; 24); the distolateral last and described casting rolls that side seal (62) is arranged on described casting rolls is rotatably supported on the frame (32) and by at least one motor-driven; wherein at two described casting rolls (22; 24) can be subjected to the protection of at least a gaseous medium and between the described side seal (62) by the molten metal that at least one mouth of a river (13) are injected; it is characterized in that; at least these casting rolls (22; 24) respectively at least in the scope of its suit width and end face and described side seal (62) by a shell (30 that constitutes by a plurality of parts; 60; 80) be surrounded; described shell (30; 60; 80) on its top side, be equipped with one and be used to extend to two described casting rolls (22; the opening (30 ') at this mouth of a river (13) 24); and described shell is equipped with one and is used at two described casting rolls (22 on its bottom side; 24) between by formed this water the metal tape (15) that seam (15 ') comes out from the below opening (30 "; 70; 84); and be provided with an additional vertical housing (44) below described shell (30), this vertical housing constitutes the therefrom chamber of process (45) of this metal tape (15).
2, band conticaster as claimed in claim 1, it is characterized in that, at this shell (30,60,80) this opening that this metal tape (15) that is out on the bottom side is offered (30 ", 70,84) feeds this vertical housing (44; 65,85) and by a sealing device two chambers of this shell and this vertical housing is separated airtightly.
3, band conticaster as claimed in claim 2, it is characterized in that, (30 ") are the seam shape to described opening on described shell (30) bottom side, and the sealing device is made of sealing strip or sealed roller, and they are side directed through this opening (this metal tape (15) that 30 ") are come out from two.
As the described band conticaster of one of claim 1 to 3, it is characterized in that 4, this shell (30) is the case shape and is arranged on side and end face spaced apart with described casting rolls (22,24).
5, as the described band conticaster of one of claim 1 to 3, it is characterized in that, closed this shell (30) is equipped with at least one door (35) removable and horizontal positioned, the following in off position adjacent top in these casting rolls (22,24) of this on the top side.
6, band conticaster as claimed in claim 5, it is characterized in that, on the bottom side, give respectively described door (35) attach troops to a unit one respectively with one of them described casting rolls (22,24) and the sealing system of this side seal (62) cooperating, the sealing system constitutes a chamber that is positioned at described molten metal top, and all the other chambers (33) in this chamber and this shell are separated.
7, band conticaster as claimed in claim 6, it is characterized in that, this chamber that is made of the sealing system is filled with a kind of inert gas, and all the other chambers (33) lining in this shell is filled with another kind of inert gas, and perhaps this shell and this vertical housing also form heat insulation.
8, band conticaster as claimed in claim 6 is characterized in that, the described shell that is made of a plurality of parts (80) is by water-cooled.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EPPCT/EP00/09158 | 2000-09-19 | ||
| PCT/EP2000/009158 WO2001023120A1 (en) | 1999-09-24 | 2000-09-19 | Strip-casting machine for producing a metal band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1460038A CN1460038A (en) | 2003-12-03 |
| CN1247348C true CN1247348C (en) | 2006-03-29 |
Family
ID=8164098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01815908.7A Expired - Fee Related CN1247348C (en) | 2000-09-19 | 2001-09-19 | Strip casting machine for production of metal strip |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JP2004512953A (en) |
| CN (1) | CN1247348C (en) |
| AT (1) | ATE360489T1 (en) |
| AU (1) | AU2001287473A1 (en) |
| CA (1) | CA2422797A1 (en) |
| DE (1) | DE50112412D1 (en) |
| RU (1) | RU2281184C2 (en) |
| WO (1) | WO2002024379A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT411025B (en) | 2002-02-27 | 2003-09-25 | Voest Alpine Ind Anlagen | DEVICE FOR CONTINUOUSLY POOLING METAL MELT |
| CN101663086B (en) * | 2006-10-27 | 2012-10-03 | Sms西马格股份公司 | Belt discharger |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60234745A (en) * | 1984-05-02 | 1985-11-21 | Ishikawajima Harima Heavy Ind Co Ltd | Continuous casting device |
| JPS6277151A (en) * | 1985-09-30 | 1987-04-09 | Nippon Steel Corp | Method and apparatus for twin roll type continuous casting |
| US5103895A (en) * | 1989-07-20 | 1992-04-14 | Nippon Steel Corporation | Method and apparatus of continuously casting a metal sheet |
| JPH03291135A (en) * | 1990-04-05 | 1991-12-20 | Nippon Steel Corp | Method and apparatus for producing low carbon steel cast strip having excellent surface characteristic with twin roll casting method |
| JP3124551B2 (en) * | 1992-07-21 | 2001-01-15 | 石川島播磨重工業株式会社 | Strip casting machine |
| JPH0760409A (en) * | 1993-08-24 | 1995-03-07 | Mitsubishi Heavy Ind Ltd | Twin drum type continuous casting apparatus for al or al alloy |
| JPH07118773A (en) * | 1993-10-21 | 1995-05-09 | Nippon Steel Corp | Production of ti or ti alloy rolled stock |
| FR2727338A1 (en) * | 1994-11-30 | 1996-05-31 | Usinor Sacilor | CONTINUOUS CASTING DEVICE BETWEEN INHERENT COVER CYLINDERS |
| AUPN101495A0 (en) * | 1995-02-10 | 1995-03-09 | Bhp Steel (Jla) Pty Limited | Casting steel strip |
| AUPN733095A0 (en) * | 1995-12-22 | 1996-01-25 | Bhp Steel (Jla) Pty Limited | Twin roll continuous caster |
| AUPN872596A0 (en) * | 1996-03-19 | 1996-04-18 | Bhp Steel (Jla) Pty Limited | Strip casting |
| AUPP406798A0 (en) * | 1998-06-12 | 1998-07-02 | Bhp Steel (Jla) Pty Limited | Strip casting apparatus |
-
2001
- 2001-09-19 WO PCT/CH2001/000573 patent/WO2002024379A1/en active IP Right Grant
- 2001-09-19 DE DE50112412T patent/DE50112412D1/en not_active Expired - Lifetime
- 2001-09-19 RU RU2003111159/02A patent/RU2281184C2/en not_active IP Right Cessation
- 2001-09-19 AU AU2001287473A patent/AU2001287473A1/en not_active Abandoned
- 2001-09-19 AT AT01966929T patent/ATE360489T1/en active
- 2001-09-19 CA CA002422797A patent/CA2422797A1/en not_active Abandoned
- 2001-09-19 CN CN01815908.7A patent/CN1247348C/en not_active Expired - Fee Related
- 2001-09-19 JP JP2002528435A patent/JP2004512953A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA2422797A1 (en) | 2003-03-18 |
| WO2002024379A1 (en) | 2002-03-28 |
| ATE360489T1 (en) | 2007-05-15 |
| CN1460038A (en) | 2003-12-03 |
| JP2004512953A (en) | 2004-04-30 |
| RU2281184C2 (en) | 2006-08-10 |
| AU2001287473A1 (en) | 2002-04-02 |
| DE50112412D1 (en) | 2007-06-06 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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