WO2023217775A1 - Dispositif de coulée à deux rouleaux pour créer une bande de métal coulé, et procédé de refroidissement et/ou de nettoyage d'une surface extérieure d'un rouleau de coulée d'un dispositif de coulée à deux rouleaux - Google Patents

Dispositif de coulée à deux rouleaux pour créer une bande de métal coulé, et procédé de refroidissement et/ou de nettoyage d'une surface extérieure d'un rouleau de coulée d'un dispositif de coulée à deux rouleaux Download PDF

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Publication number
WO2023217775A1
WO2023217775A1 PCT/EP2023/062260 EP2023062260W WO2023217775A1 WO 2023217775 A1 WO2023217775 A1 WO 2023217775A1 EP 2023062260 W EP2023062260 W EP 2023062260W WO 2023217775 A1 WO2023217775 A1 WO 2023217775A1
Authority
WO
WIPO (PCT)
Prior art keywords
casting
roller
cooling
gap
cover element
Prior art date
Application number
PCT/EP2023/062260
Other languages
German (de)
English (en)
Inventor
Wilfried Klos
Michael Breuer
Axel Weyer
Jörn HOFFMEISTER
Original Assignee
Sms Group Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sms Group Gmbh filed Critical Sms Group Gmbh
Publication of WO2023217775A1 publication Critical patent/WO2023217775A1/fr

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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
    • B22D11/0637—Accessories therefor
    • B22D11/0665—Accessories therefor for treating the casting surfaces, e.g. calibrating, cleaning, dressing, preheating
    • 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
    • B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
    • B22D11/0682—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting wheel

Definitions

  • Two-roller casting device for producing a cast metal strip, and method for cooling and/or cleaning an outer surface of a casting roll of a two-roller casting device
  • the invention relates to a two-roller casting device for producing a cast metal strip according to the preamble of claim 1, and a corresponding method for cooling and / or cleaning an outer surface of a casting roll of a two-roller casting device.
  • the so-called “two-roll process” is known for thin strip casting, in which cast strip up to 10 mm thick is produced directly from the melt.
  • a two-roller casting device is used here, which comprises two casting rolls which are rotatably mounted in the opposite direction of rotation to one another and form a casting gap between them.
  • a cast strip produced in this way can be fed directly to at least one rolling stand to set the target thickness and homogenize the technological properties and be formed there. If necessary, the hot strip obtained in this way is thermally treated after rolling and finally wound up.
  • the casting rolls are the central part of the system.
  • the shape of the casting roll also defines the cast strip geometry and thus the later hot strip geometry or the flatness quality to be achieved.
  • WO 02/49789 A1 shows a casting roll for casting metal strip in the casting gap of two variable-distance, parallel and coolable casting rolls.
  • a shaft with a sleeve surrounding it at a radial distance and an outside jacket with a crowning of its circumferential surface that can be adjusted in the casting operation is proposed.
  • annular pressure chambers are formed on the inside of the sleeve for hydraulic inflation of the same, which are formed between the sleeve and the attached bands.
  • casting roll cleaning is also an important aspect for creating an optimal strip surface.
  • liquid steel is brought into contact with the cooled casting roll surface in order to solidify on it.
  • the rotating casting roll comes into contact with the liquid steel again, it must be continuously cleaned to prevent the accumulation of metal oxides, slag or other contaminants on the casting roll surface.
  • WO 2007/031135 A1 a device for continuous surface cleaning of rotatable casting rollers of a belt casting machine is known. This will The entire casting roll length is exposed to one or more laser beams in order to carry out effective casting roll cleaning. Furthermore, additional cleaning units for mechanical, chemical, galvanic and/or thermal cleaning of the casting roll surface on the circumference of a respective casting roll are known from this publication. These additional cleaning units only act locally on a respective associated casting roll with respect to or along its circumference, ie over only a comparatively small circumferential area of the casting roll.
  • a brush roller is used as a cleaning unit to clean the surface of the casting roller.
  • the invention is based on the object of optimizing the cooling of casting rolls of a two-roll casting device using simple means and at the same time achieving the effect of cleaning.
  • a two-roller casting device is used to produce a cast metal strip, in particular made of steel, and comprises two casting rollers, each of which is arranged around axes of rotation aligned axially parallel to one another and at the same height and rotatably mounted in the opposite direction to one another, and a shell-shaped cover element, which is arranged adjacent to at least one casting roller and has a shape that is complementary to the curve of the casting roller.
  • a gap is formed between the cover element and the casting roller.
  • a metering device is arranged adjacent to an end section of the cover element or to an opening of the gap, by means of which a cooling and/or cleaning medium can be dispensed into the gap.
  • the invention provides a method for cooling and/or cleaning an outer surface of a casting roll of a two-roller casting device, which can be the aforementioned two-roller casting device.
  • a cooling and/or cleaning medium is introduced into a gap formed between the outer surface of the casting roll and a cover element arranged adjacent thereto.
  • the cooling and/or cleaning medium used here can serve either for cooling purposes or for cleaning purposes, or this medium is used to simultaneously cool and clean a casting roller in a two-roller casting device reaches their outer surface.
  • the present invention is used in particular in the near-final dimension production of hot strip made of steel.
  • the metal strip which is produced using a two-roll casting device, is then a steel strip which is cast from a molten steel.
  • the present invention it is also possible for the present invention to be used for processing non-ferrous (non-ferrous) alloys. In any case, with that The present invention achieves an improvement in the product quality and an increase in the productivity of the strip casting process using the two-roll process.
  • the invention is based on the essential finding that a cooling and/or cleaning medium is introduced into a gap which is formed between an outer surface of a casting roll and a cover element arranged adjacent thereto.
  • a metering device by means of which the cooling and/or cleaning medium can be appropriately dispensed into the gap.
  • the fact that the shape of the cover element is complementary to the curve of the casting roll and thus the gap mentioned extends along a specific angular range of the casting roll ensures that the cooling and/or cleaning medium intensively covers the outer surface of the casting roll along this specific angular range wetted and thus leads to cooling and/or cleaning of the casting roller on its outer surface.
  • the cover element is arranged to be movable relative to a casting roller adjacent to it. It is therefore possible that the width of the gap that forms between the cover element and the outer surface of an adjacent casting roll depends on production parameters (enthalpy of the cooling medium, speed of the casting roll or casting speed, casting format, quality of the steel or the NE -Alloy and/or amount of cooling and/or cleaning medium) is specifically changed. Such an adjustment of the cover element relative to the casting roller can be controlled, preferably regulated, depending on the production parameters mentioned above.
  • the amount of cooling and cleaning medium that is introduced into the gap between the cover element and the outer surface of the casting roll can be adjusted depending on production parameters (enthalpy of the cooling medium, speed of the casting roll or Casting speed, casting format, and/or quality of the steel or non-ferrous alloy).
  • the predetermined angular range in which the cover element arranged in a lateral region of a casting roll extends around the outer surface of this adjacent casting roll is at least 20°. This ensures that the gap that forms between the cover element and the outer surface of the casting roll adjacent to it has a significantly sufficient length along the circumference of the casting roll in order to ensure the said intensive interaction of the outer surface of the casting roll with cooling and/or cleaning medium .
  • the predetermined angle range in which the cover element extends around the outer surface of a casting roll adjacent to it can also assume values of >20°.
  • the predetermined angular range can also assume any values that lie between the exemplary values mentioned above. This applies equally to the two-roller casting device according to the invention as well as to the method according to the invention for cooling and / or cleaning an outer surface of a casting roll of a two-roller casting device.
  • an opening for the gap is formed at the opposite end sections of the cover element.
  • a cooling and/or cleaning medium can be introduced into the gap through one of these openings, it is possible to introduce the cooling and/or cleaning medium at the opposite section of the cover element also emerges again through the other opening of the gap.
  • a receiving device is arranged adjacent to an opening of the gap, which is formed on a side opposite the metering device between the cover element and the casting roller, with which the cooling and/or cleaning medium transported through the gap is removed from the outer surface of the casting roller can be removed or taken up.
  • a suction device preferably works via negative pressure.
  • a blow-off device preferably works through the use of compressed air and/or fans.
  • a scraper is expediently brought up to at least the outer surface of the casting roll or is in contact with the outer surface of the casting roll.
  • the cover element that, viewed in the direction of a width or longitudinal extent of a casting roll adjacent to it, it has essentially the same length as this casting roll. This ensures that the gap in question extends over the entire width of the casting roll and to this extent the casting roll can be wetted with the cooling and/or cleaning medium over its entire width.
  • the metering device is designed in such a way that the introduction of a cooling and/or cleaning medium into the gap along the entire width of the casting roll is ensured.
  • the metering device can expediently be equipped with a plurality of nozzles which are arranged along the width or longitudinal extent of the casting roller. These nozzles can be fluidly connected to a pressure generating device, so that a cooling and/or cleaning medium can be discharged from the nozzles under pressure into the gap.
  • the cooling and cleaning medium is sucked or blown off from the outer surface of the casting roll after it has emerged again from the gap between the outer surface of the casting roll and the cover element adjacent thereto. As already explained elsewhere above, this ensures that the cooling and cleaning medium is intensively removed from the outer surface of the casting roll when it emerges from the gap.
  • water or a water-based mixture can be used to cool the casting roll.
  • the same medium can expediently also be used to clean the casting roller.
  • a shell-shaped cover element can be provided for both casting rolls in order to form a gap adjacent to each casting roll. Accordingly, both casting rolls of the two-roller casting device can then be wetted with a cooling and/or cleaning medium, as explained, in order to bring about cooling and/or cleaning of the respective casting roll.
  • FIG. 1 shows schematically a two-roller casting device for producing a cast metal strip according to a first embodiment of the invention
  • FIG. 2 Fig. 3 each further details of the two-roller casting device from Fig. 1,
  • FIG. 4 shows schematically a two-roller casting device for producing a cast metal strip according to a second embodiment of the invention.
  • Fig. 5 shows schematically a casting-rolling system, which can be equipped with a two-roll casting device according to the invention according to Fig. 1 or Fig. 4.
  • FIGS. 1-5 are preferred embodiments of a two-roller casting device 10 according to the invention for producing a cast metal strip, preferably made of steel, and a corresponding method for cooling and / or cleaning an outer surface of a casting roll of such a two-roller -Casting device 10 explained.
  • the same features in the drawing are each provided with the same reference numbers. At this point it should be noted that the drawing is simply simplified and, in particular, shown without a scale.
  • Fig. 1 shows schematically a side view of the two-roller casting device 10 according to the invention according to a first embodiment.
  • This casting device 10 comprises two casting rollers 12, which are each arranged around axes of rotation aligned axially parallel to one another and at the same height and rotatably mounted in the opposite direction of rotation D to one another.
  • a shell-shaped cover element 13 is arranged adjacent to at least one casting roll 12, the shape of which is complementary to the curve of the casting roll 12 adjacent to it.
  • the cover element 13 can be attached to a frame or frame 14 (see FIG. 2).
  • a gap 15 is formed between the cover element 13 and the casting roller 12.
  • a gap width s is defined by the distance that the cover element 13 has laterally from the outer peripheral surface A of the casting roller 12.
  • the gap width s can be changed by a spatial displacement of the cover element 13, which is explained separately below.
  • cover element 13 is arranged in a lateral region of the casting roll 12 in such a way that it extends in an angular range W of at least 90° around the outer surface A of the casting roll 12 adjacent to it.
  • FIG. 2 the axes of rotation around which the two casting rollers 12 are rotatably mounted are designated here as “xr” and “X 2 ”.
  • a casting gap G is formed between the two casting rollers 12, which can be filled from above with a molten steel 5 (see FIG. 2).
  • a cast metal or steel strip is formed in the casting gap G, which emerges from the casting gap G on an underside of the casting rollers 12 and in a conveying direction F (see FIG. 1 , Fig. 2) is moved or transported.
  • the said molten steel 5 is provided by a ladle 2 and an intermediate container 3, each of which is arranged above the casting rollers 12.
  • the intermediate container 3 is equipped with an outlet 4 through which the molten steel 5 can then be introduced into the casting gap G.
  • the cover element 13 is arranged laterally from the casting roller 12 in such a way that there are openings at the end sections of the cover element 13
  • the cover element 13 viewed in the direction of a width or longitudinal extent of the adjacent casting roll 12, has essentially the same length as this casting roll 12. In other words, the cover element 13 has essentially the same width as the adjacent casting roll 12.
  • An The cover element 13 is connected to the two end faces of the casting roll 12 with side plates (not shown) or comparable elements, so that the gap 15 is sealed there to the side. As a result, the gap 15 is, as explained, only open to the environment at the two openings 16.
  • a metering device 17 Adjacent to an end section of the cover element 13 or to the upper opening 16 of the gap, a metering device 17 is arranged, by means of which a cooling and/or cleaning medium K can be dispensed into the gap 15.
  • the metering device 17 is designed in such a way that the introduction of a cooling and/or cleaning medium K into the gap 15 along the entire width of the casting roll 12 is ensured.
  • the metering device expediently comprises a plurality of nozzles which run along the width or Longitudinal extension of the casting roller 12 are arranged.
  • the nozzles can be fluidly connected to a pressure generating device (not shown), so that the cooling and/or cleaning medium K is discharged from the nozzles under pressure into the gap 15
  • a receiving device 18 is arranged adjacent to the lower opening 16 of the gap 15, namely on the side of the cover element 13 opposite the metering device 17. This makes it possible to pick up the cooling and/or cleaning medium K transported through the gap 15 from the outer surface A of the casting roller 12 when it emerges from the lower opening 16 of the gap 15.
  • the receiving device 18 can be equipped with a suction device, a blow-off device and/or a scraper (not shown in each case). In any case, such a receiving device 18 ensures that the cooling and/or cleaning medium K, after it has emerged from the lower opening 16 of the gap 15, is then intensively removed from the outer surface A of the casting roller 12.
  • a drying unit 19 is arranged adjacent to the upper opening 16 of the gap 15 and - seen in the direction of rotation D of the casting roller 12 - downstream of the cover element 13. This drying unit 19 serves the purpose of completely removing cooling and/or cleaning medium K, which can continue to adhere to the outer surface A of the casting roller 12.
  • the drying unit 19 just mentioned can function on the principle of a blow-off device. Additionally or alternatively, it can be provided that the drying unit 19 comprises a scraper which is in contact with the outer surface A of the casting roller 12.
  • a cooling medium K is introduced into the gap 15 from above by means of the metering device 17, namely into its upper opening 16.
  • the cooling medium K is transported through the gap 15 in a transport direction which is symbolized by the arrow “T” in FIGS. 2 and 3. As can be seen, this transport direction T runs from top to bottom and thus in the direction of gravity and against the direction of rotation of the casting roller 12.
  • the cooling medium K is preferably water. In metallurgical facilities, cooling water is usually used as the cooling medium K, also based on water. Alternatively, the cooling medium can also be a water mixture or a mixture of cold gas and liquid nitrogen.
  • the viscosity of the cooling medium K is suitably chosen to be so low that the effect of gravity (i.e. from top to bottom) is greater than the drag forces of the casting roller 12 (from bottom to top).
  • the transport of the cooling medium K through the gap 15 in the transport direction T is also promoted by the fact that the medium can be introduced into the gap 15 under pressure from above through the metering device 17 and its nozzles, as explained.
  • the alignment of these nozzles is expediently set up parallel or almost tangential to the circumference of the casting roll. As a result of this arrangement of the nozzles, the liquid flow discharged from them adheres to the casting roll or its outer surface A.
  • the casting roll jacket thereby cools directly and uniformly in the area of the shell-shaped cover element 13, which, as explained, is arranged laterally adjacent to the casting roll 12, in accordance with the amount of coolant K applied.
  • the so-called crowning of the casting roll 12 is reduced by this cooling in that the thermal expansion of the casting roll 12 is reduced or prevented from the outset.
  • the resulting temperature gradient between the outside area and the inside area of the casting roller 12 leads to a desired positive effect.
  • the coolant K then emerges from the lower opening 16 of the gap.
  • the coolant is then picked up by means of the receiving device 18 and removed from the outer surface A of the casting roller 12, for example by suction or blowing.
  • cooling and cleaning medium K the medium, depending on its effect, can also be referred to as “cooling and cleaning medium K”.
  • the positive effect achieved for the present invention is that the same medium is used to clean the casting roller as is used to cool the casting roller 12.
  • water or a water-based mixture can be used for this purpose.
  • additional cleaning agents can also be added to the water (or the water-based mixture) with which the outer surface A of the casting roller 12 is cooled, so that intensive cleaning of the casting roller 12 on its outer surface A is achieved or improved.
  • the drying unit 19 it is achieved that the cooled and cleaned area of the outer surface A of the casting roll 12 is made dry or dehumidified before renewed contact with the steel melt 5.
  • the drying unit 19 can prevent water vapor explosions in wet casting rolls.
  • the drying unit 19 is arranged between the metering device 17 and the casting gap G in the first embodiment of the two-roller casting device 10. It is equivalent to this that the drying unit 19 is arranged adjacent to the upper opening 16 of the gap 15 - seen in the direction of rotation D of the casting roller 12 - downstream of the cover element 13.
  • the cover element 13 is arranged laterally from the casting roller 12 in such a way that it can be moved relative to the casting roller 12.
  • the cover element 13 is operatively connected to adjusting means 20 (see FIG. 2), with which a lateral distance of the cover element 13 relative to the casting roller 12 and thus the gap width s can be variably adjusted.
  • the cover element 13 can be attached to the frame 14 by means of a sliding bearing in order to enable the movement or adjustment of the cover element 13 just mentioned.
  • the gap width s can be adjusted depending on production parameters (enthalpy of the cooling medium K, speed of the casting roller 12 or casting speed, casting format, quality of the steel or the non-ferrous alloy and/or quantity of cooling and/or Cleaning medium K) can be adjusted, either in the manner of a control or preferably in the manner of a regulation.
  • the two-roller casting device 10 according to the invention is equipped with a control unit R (see FIG. 2), which is connected to the adjusting means 20 in terms of signaling (symbolized by a dotted line in FIG. 2).
  • the setting of the amount of cooling and cleaning medium K which is introduced into the gap 15 between the cover element 13 and the outer surface A of the casting roll 12, depends on production parameters (enthalpy of the cooling medium K, Speed of the casting roll 12 or roll speed, casting format, and / or quality of the steel or the non-ferrous alloy).
  • the control unit R can also be used here, which is then connected to the metering device 17 in terms of signaling and thus appropriately influences the amount of cooling and cleaning medium K that is discharged from the metering device 17.
  • FIG. 1 A second embodiment of the two-roller casting device 10 according to the invention is shown in FIG.
  • This second embodiment differs from the embodiment shown in FIGS. 1-3 in that the arrangement of the metering device 17 and the receiving device 18 is swapped.
  • the metering device 17 is arranged below it in relation to the axis of rotation Xi and the gap 15 is introduced from bottom to top and thus onto an outer surface A of the casting roller 12 in the same direction as its direction of rotation D.
  • the transport direction T with which the cooling and/or cleaning medium K is moved through the gap s, points upwards and thus corresponds to the direction of rotation D of the casting roller 12.
  • the viscosity of the cooling and/or cleaning medium K is preferably chosen to be greater than in the first embodiment. This optimizes transport of the cooling and/or cleaning medium K through the gap s, counter to the direction of gravity. All other features that were explained above in connection with the two-roller casting device 10 according to the first embodiment also apply in the same way to the second embodiment.
  • FIGS. 1-4 the arrangement of a cover element 13 has been shown and explained for simplification purposes only for a casting roll 12 (namely for the one in the image area on the right). Accordingly, it is understood for the present invention that a cover element 13 can also be provided in the same way for the other casting roller 12 (namely the one in the image area on the left) (either according to the first embodiment of FIGS. 1-3, or according to the second embodiment of Fig. 4), or that a cover element 13 can also be arranged adjacent to both casting rolls 12, so that cooling and / or cleaning of both casting rolls 12 is ensured.
  • a two-roller casting device 10 can also be part of a casting-rolling system 100.
  • a casting-rolling system 100 includes - seen in the conveying direction F of the metal strip 1 produced here - downstream of the casting device 10 at least one roll stand 6 for rolling the cast metal or steel strip 1, optionally supplemented by drivers 7 adjacent to the roll stand 6, a cooling section 8, a pair of scissors 9 and a reel H, with which the metal or steel strip 1 produced can then be wound up.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un dispositif de coulée à deux rouleaux (10) permettant de créer une bande de métal coulé (1), plus particulièrement une bande d'acier, et un procédé de refroidissement et/ou de nettoyage d'une surface extérieure (A) d'un rouleau de coulée (12) d'un dispositif de coulée à deux rouleaux (10). Un tel dispositif de coulée à deux rouleaux (10) comprend deux rouleaux de coulée (12), qui sont chacun montés pour tourner autour d'axes de rotation (X1 ; X2) orientés axialement parallèlement les uns aux autres et à la même hauteur et pour tourner dans des directions de rotation opposées (D) les uns aux autres, et un élément de recouvrement de type coque (13) qui est adjacent à au moins un rouleau de coulée (12) et possède une forme qui est conçue pour compléter la courbe du rouleau de coulée (12). Un espace (15) est formé entre l'élément de recouvrement (13) et le rouleau de coulée (12), un milieu de refroidissement et/ou de nettoyage (K) pouvant être évacué dans l'espace (15) au moyen d'un dispositif de dosage (17).
PCT/EP2023/062260 2022-05-13 2023-05-09 Dispositif de coulée à deux rouleaux pour créer une bande de métal coulé, et procédé de refroidissement et/ou de nettoyage d'une surface extérieure d'un rouleau de coulée d'un dispositif de coulée à deux rouleaux WO2023217775A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022204686.2A DE102022204686A1 (de) 2022-05-13 2022-05-13 Zwei-Rollen-Gießeinrichtung zur Erzeugung eines gegossenen Metallbandes, und Verfahren zur Kühlung und/oder Reinigung einer Außenoberfläche einer Gießrolle einer Zwei-Rollen-Gießeinrichtung
DE102022204686.2 2022-05-13

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WO2023217775A1 true WO2023217775A1 (fr) 2023-11-16

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PCT/EP2023/062260 WO2023217775A1 (fr) 2022-05-13 2023-05-09 Dispositif de coulée à deux rouleaux pour créer une bande de métal coulé, et procédé de refroidissement et/ou de nettoyage d'une surface extérieure d'un rouleau de coulée d'un dispositif de coulée à deux rouleaux

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058447A (en) * 1932-05-16 1936-10-27 Clarence W Hazelett Metalworking process
CN1087799A (zh) 1993-10-04 1994-06-15 王见 牛奶水果果茶
WO2002049789A1 (fr) 2000-12-21 2002-06-27 Sms Demag Aktiengesellschaft Rouleau de coulee a profil variable pour couler un feuillard metallique dans une installation a rouleaux de coulee
WO2007031135A1 (fr) 2005-07-07 2007-03-22 Main Management Inspiration Ag Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande
EP2011589A1 (fr) * 2006-04-26 2009-01-07 IHI Corporation Appareil d'etancheite pour machine de coulee entre cylindres
WO2018141744A1 (fr) 2017-01-31 2018-08-09 Siemens Ag Österreich Rouleau de coulée et procédé de coulée de bande de métal à réglage de bombage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058447A (en) * 1932-05-16 1936-10-27 Clarence W Hazelett Metalworking process
CN1087799A (zh) 1993-10-04 1994-06-15 王见 牛奶水果果茶
WO2002049789A1 (fr) 2000-12-21 2002-06-27 Sms Demag Aktiengesellschaft Rouleau de coulee a profil variable pour couler un feuillard metallique dans une installation a rouleaux de coulee
WO2007031135A1 (fr) 2005-07-07 2007-03-22 Main Management Inspiration Ag Dispositif de nettoyage en surface en continu de rouleaux de coulee mobiles en rotation d'une machine de coulee en bande
EP2011589A1 (fr) * 2006-04-26 2009-01-07 IHI Corporation Appareil d'etancheite pour machine de coulee entre cylindres
WO2018141744A1 (fr) 2017-01-31 2018-08-09 Siemens Ag Österreich Rouleau de coulée et procédé de coulée de bande de métal à réglage de bombage

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