EP0934133B1 - Stützenanordnung für dünnbandgiessen - Google Patents
Stützenanordnung für dünnbandgiessen Download PDFInfo
- Publication number
- EP0934133B1 EP0934133B1 EP97926985A EP97926985A EP0934133B1 EP 0934133 B1 EP0934133 B1 EP 0934133B1 EP 97926985 A EP97926985 A EP 97926985A EP 97926985 A EP97926985 A EP 97926985A EP 0934133 B1 EP0934133 B1 EP 0934133B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- supports
- belt
- support
- conveyor belt
- arrangement according
- 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 - Lifetime
Links
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
-
- 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
- B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt
-
- 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
- B22D11/0677—Accessories therefor for guiding, supporting or tensioning the casting belts
Definitions
- the invention relates to special arrangements of supports in thin strip casting plants.
- the document US 3,933,193 A shows a strip caster in which the cast strip is passed through a gap between two circulating conveyor belts, each of which is cooled from the side facing away from the cast strip.
- the circulating conveyor belts are guided over rounded support housings in the inlet and outlet area of the belts, in which webs arranged transversely to the transport direction leave openings between them for supplying a liquid coolant.
- the support arrangement for the circulating conveyor belts is formed by a honeycomb structure which leaves spaces for the coolant supply. The edges of the honeycomb take on the support and guide function for the conveyor belt.
- a plant is referred to as a thin-strip casting plant, at the liquid steel via a feed system to a circulating, from below through water cooled belt is conveyed.
- the underside of the applied steel layer then solidifies in contact with the tape and the top as a free surface under protective gas or for Achieving a better surface finish in contact with a top roller.
- the resulting strand leaves the resulting strand (the thin strip) the surrounding one Conveyor belt and is further conveyed by a driver.
- the casting thickness (approx. 10 mm) largely chosen optimally.
- the optimal casting thickness is the one at which is the required degree of hot deformation with as little deformation work as possible is achieved.
- the circulating conveyor belt enables cooling and largely friction-free Support of the strand over a long area. This results in a high one Pouring speed as required for a direct coupling between Casting plant and rolling stage is, and high productivity as the basic condition for that Casting of steels.
- the all-round belt accessible from above and from the front, facilitates the steel feed.
- the steel does not have to go into a narrow gap, as in the methods given above between two belts or rollers.
- the object of the invention was therefore to provide a support structure in which Bulging of the circulating belt, especially in the area of the liquid steel feed, is avoided.
- the supports in the region of the conveyor belt surface are designed as vertically arranged rod-shaped elements, the effective support surfaces lying in one plane and the distances between the supports measured transversely to the direction of transport being greater than the width of the effective support surface in this direction.
- the distances are optimized in such a way that, on the one hand, the stresses in the band can be sufficiently reduced, on the other hand, the band cannot bulge over several supports. in the space between the supports, on the other hand, the band stiffness is high enough to prevent the band from bulging substantially. In particular, any arching is also avoided in that the band is held in one plane between the supports by the negative pressure applied to the underside of the band.
- the width of an effective support surface in the transport direction is preferably greater than the width of a support surface transverse to the transport direction.
- the supports in conjunction with the negative pressure acting on the underside of the conveyor belt result in an increased clamping of the belt, which increases the security against the belt from bulging.
- the supports are preferably arranged in the plane of the underside of the conveyor belt in lines at the same distance from one another, the lines preferably running obliquely to the direction of transport, in particular at an angle of 45 ° to the latter. This results in a more favorable area distribution of the tensions within the conveyor belt, because the highest tension components no longer point in the transverse direction of the belt, so that there can no longer be any bulging in this direction.
- the nozzles for the coolant In the spaces between the supports are preferred for cooling the Conveyor belt arranged the nozzles for the coolant. This can in particular the critical area of the belt surface between the supports must be cooled. Unlike when using backup rollers, the space between the supports is for the Arrangement of nozzles for coolant more accessible because the supports go so far down can be extended so that there is enough space for the necessary coolant is.
- the supports can be flat on their surface facing the conveyor belt.
- a coating can also be provided on this surface, which in the tribulogical system conveyor belt surface, column surface, coolant Minimized friction.
- the support surface can be attached by one or more the support-mounted roller or rollers are formed.
- Nozzles for cooling the conveyor belt are preferred in the supports according to the invention integrated.
- these can be the nozzles that the Cool the spaces between the supports.
- regardless of this in the prop itself guides coolant to the prop surface in the area of the Bottom of the conveyor belt.
- This results in a structurally simple Possibility to cool the tape directly on the support surface of the supports and to create a sliding film between the support and the belt.
- this is Contact surface, which should also include a cylinder jacket surface, and it is in this support surface arranged coolant guide channels.
- nozzles can be arranged on the individual support be in particular up to the support surface on the underside of the conveyor belt are led.
- the supports 3,3 'intersecting lines 2,2' which are inclined to Direction of conveyance 1 of the circulating conveyor belt 5.
- the nozzles 4 In the spaces between the Supports 3, 3 'are arranged the nozzles 4 for the supply of the coolant.
- the supports reaching down to the underside 6 of the conveyor belt 5 are 3, 3 ', the nozzle 4 not being drawn for the sake of clarity.
- the supports 3, 3 ' have guide channels 7 for the supply of coolant into the area the conveyor belt underside 6. This can differentiate between the effective Support surface 8 and the conveyor belt bottom 6 form a coolant film that the Friction between these surfaces is reduced.
- Water is regularly used as a coolant. To increase heat dissipation two-phase cooling for the supports and nozzles are also possible. there the prop can be air or inert gas cooled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Coating With Molten Metal (AREA)
- Induction Machinery (AREA)
- Structure Of Belt Conveyors (AREA)
- Laminated Bodies (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Moulding By Coating Moulds (AREA)
- Belt Conveyors (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Description
Die umlaufenden Transportbänder werden über im Ein- und Auslaufbereich der Bänder abgerundete Stützgehäuse geführt, in denen quer zur Transportrichtung angeordnete Stege zwischen sich Öffnungen zum Zuführen eines flüssigen Kühlmittels freilassen. Ähnlich liegen die Verhältnisse bei den Anordnungen nach EP 0 008 901 A1 und FR 2,382,297 A. Hier wird die Stützanordnung für die umlaufenden Transportbänder durch eine wabenförmige Struktur, die Räume für die Kühlmittelzufuhr freilässt, gebildet. Die Kanten der Waben übernehmen die Stütz- und Führungsfunktion für das Transportband.
Insbesondere wird eine etwaige Aufwölbung auch dadurch vermieden, daß zwischen den Stützen das Band durch den an der Bandunterseite anliegenden Unterdruck in einer Ebene gehalten wird.
Vorzugsweise sind die Stützen in der Ebene der Unterseite des Transportbandes in Linien mit gleichem Abstand zueinander angeordnet, wobei die Linien bevorzugt schräg zur Transportrichtung, insbesondere unter einem Winkel von 45° zu dieser verlaufen. Hierdurch ergibt sich eine günstigere flächige Verteilung der Spannungen innerhalb des Transportbandes, weil die höchsten Spannungskomponenten nicht mehr in Querrichtung des Bandes zeigen, so daß sich in dieser Richtung keine Aufwölbung mehr ergeben kann.
Es zeigen:
- Fig. 1
- eine Draufsicht auf die Stützenanordnung unterhalb des Transpartbandes;
- Fig. 2
- einen Ausschnitt quer zur Förderrichtung.
Claims (8)
- Stützenanordnung für das Transportband (5) in Dünnbandgießanlagen, wobei die Stützen (3, 3') im Bereich der Unterdruckseite des Transportbandes (5) als senkrecht angeordnete stabförmige Elemente ausgebildet sind, wobei die wirksamen Stützflächen (8) in einer Ebene liegen und wobei die Abstände der Stützen (3,3 '), quer zur Transportrichtung (1) gemessen, größer sind, als in dieser Richtung die Breite einer wirksamen Stützfläche (8).
- Stützenanordnung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Breite einer wirksamen Stützfläche (8) in Transportrichtung (1) größer ist, als die Breite einer wirksamen Stützfläche (8) quer zur Transportrichtung (1). - Stützenanordnung nach den Ansprüchen 1 oder 2,
dadurch gekennzeichnet,
daß die Stützen (3,3') in Linien (2,2') mit gleichem Abstand zueinander angeordnet sind. - Stützenanordnung nach Anspruch 3,
dadurch gekennzeichnet,
daß die Linien (2,2') unter einem Winkel von 45° zur Transportrichtung (1) verlaufen. - Stützenanordnung nach Anspruch 3 oder 4,
dadurch gekennzeichnet,
daß in den Zwischenräumen zwischen den Stützen (3,3') Düsen (4) zur Kühlung des Transportbandes (5) angeordnet sind. - Stützenanordnung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß in wenigstens einer Stütze (3,3') eine Düse (7) zur Kühlung des Transportbandes (5) angeordnet ist. - Stützenanordnung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß in wenigstens einer Stütze (3,3') mehrere Düsen (7) angeordnet sind. - Stützenanordnung nach Anspruch 6 oder 7,
dadurch gekennzeichnet,
daß die Stützflächen (8) der Stützen (3,3') als Ebene mit darin angeordneten Kühlmittelführungskanälen ausgebildet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19622929A DE19622929C2 (de) | 1996-06-07 | 1996-06-07 | Stützenanordnung für Dünnbandgießen |
DE19622929 | 1996-06-07 | ||
PCT/DE1997/001150 WO1997047411A1 (de) | 1996-06-07 | 1997-06-03 | Stützenanordnung für dünnbandgiessen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0934133A1 EP0934133A1 (de) | 1999-08-11 |
EP0934133B1 true EP0934133B1 (de) | 2001-04-25 |
Family
ID=7796416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97926985A Expired - Lifetime EP0934133B1 (de) | 1996-06-07 | 1997-06-03 | Stützenanordnung für dünnbandgiessen |
Country Status (13)
Country | Link |
---|---|
US (1) | US6123186A (de) |
EP (1) | EP0934133B1 (de) |
JP (1) | JP4307556B2 (de) |
KR (1) | KR20000016442A (de) |
AT (1) | ATE200751T1 (de) |
AU (1) | AU3164497A (de) |
BR (1) | BR9709649A (de) |
DE (2) | DE19622929C2 (de) |
DK (1) | DK0934133T3 (de) |
ES (1) | ES2155996T3 (de) |
RU (1) | RU2153951C1 (de) |
WO (1) | WO1997047411A1 (de) |
ZA (1) | ZA974483B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19908127A1 (de) * | 1999-02-25 | 2000-09-07 | Santrade Ltd | Vorrichtung zur Behandlung von Schmelzen |
US6386267B1 (en) * | 1999-07-30 | 2002-05-14 | Hazelett Strip-Casting Corporation | Non-rotating, levitating, cylindrical air-pillow apparatus and method for supporting and guiding an endless flexible casting belt into the entrance of a continuous metal-casting machine |
SE526909C2 (sv) | 2003-04-29 | 2005-11-15 | Abb Ab | Handledshus med genomgående kanal för kablage till en robotarm |
CN105728674A (zh) * | 2016-04-05 | 2016-07-06 | 江苏国能合金科技有限公司 | 一种可控制喷带间隙的非晶薄带生产装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933193A (en) * | 1971-02-16 | 1976-01-20 | Alcan Research And Development Limited | Apparatus for continuous casting of metal strip between moving belts |
CH624322A5 (en) * | 1977-03-04 | 1981-07-31 | Larex Ag | Device for cooling and guiding a revolving mould belt in a continuous casting installation |
US4193440A (en) * | 1978-09-01 | 1980-03-18 | Alcan Research And Development Limited | Belt-cooling and guiding means for the continuous belt casting of metal strip |
SE420533B (sv) * | 1979-09-06 | 1981-10-12 | Luossavaara Kiirunavaara Ab | Anordning vid anleggning for vermning eller vermebehandling av en materialbedd, som uppberes av en ovre part av en endlos perforerad transportor av bondtyp |
-
1996
- 1996-06-07 DE DE19622929A patent/DE19622929C2/de not_active Expired - Fee Related
-
1997
- 1997-05-22 ZA ZA9704483A patent/ZA974483B/xx unknown
- 1997-06-03 KR KR1019980710026A patent/KR20000016442A/ko not_active Application Discontinuation
- 1997-06-03 RU RU99100097/02A patent/RU2153951C1/ru not_active IP Right Cessation
- 1997-06-03 AT AT97926985T patent/ATE200751T1/de active
- 1997-06-03 BR BR9709649A patent/BR9709649A/pt not_active IP Right Cessation
- 1997-06-03 JP JP50105598A patent/JP4307556B2/ja not_active Expired - Fee Related
- 1997-06-03 DK DK97926985T patent/DK0934133T3/da active
- 1997-06-03 US US09/194,843 patent/US6123186A/en not_active Expired - Lifetime
- 1997-06-03 ES ES97926985T patent/ES2155996T3/es not_active Expired - Lifetime
- 1997-06-03 AU AU31644/97A patent/AU3164497A/en not_active Abandoned
- 1997-06-03 EP EP97926985A patent/EP0934133B1/de not_active Expired - Lifetime
- 1997-06-03 DE DE59703448T patent/DE59703448D1/de not_active Expired - Lifetime
- 1997-06-03 WO PCT/DE1997/001150 patent/WO1997047411A1/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0934133A1 (de) | 1999-08-11 |
US6123186A (en) | 2000-09-26 |
AU3164497A (en) | 1998-01-07 |
KR20000016442A (ko) | 2000-03-25 |
WO1997047411A1 (de) | 1997-12-18 |
ZA974483B (en) | 1997-12-29 |
ES2155996T3 (es) | 2001-06-01 |
ATE200751T1 (de) | 2001-05-15 |
JP2001509736A (ja) | 2001-07-24 |
DK0934133T3 (da) | 2001-05-28 |
DE19622929C2 (de) | 1998-05-28 |
DE19622929A1 (de) | 1997-12-11 |
RU2153951C1 (ru) | 2000-08-10 |
BR9709649A (pt) | 1999-08-10 |
DE59703448D1 (de) | 2001-05-31 |
JP4307556B2 (ja) | 2009-08-05 |
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