EP3163240B1 - Dispositif de levee de poche de coulee et procede de deplacement vertical d'une poche de coulee de bain metallique - Google Patents

Dispositif de levee de poche de coulee et procede de deplacement vertical d'une poche de coulee de bain metallique Download PDF

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Publication number
EP3163240B1
EP3163240B1 EP15191687.1A EP15191687A EP3163240B1 EP 3163240 B1 EP3163240 B1 EP 3163240B1 EP 15191687 A EP15191687 A EP 15191687A EP 3163240 B1 EP3163240 B1 EP 3163240B1
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EP
European Patent Office
Prior art keywords
ladle
lifting
arm
lifting device
rotatably mounted
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.)
Active
Application number
EP15191687.1A
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German (de)
English (en)
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EP3163240A1 (fr
Inventor
Andreas Harter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primetals Technologies Germany GmbH
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Primetals Technologies Germany 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 Primetals Technologies Germany GmbH filed Critical Primetals Technologies Germany GmbH
Priority to EP15191687.1A priority Critical patent/EP3163240B1/fr
Priority to ES15191687.1T priority patent/ES2690539T3/es
Priority to MX2018005111A priority patent/MX2018005111A/es
Priority to PCT/EP2016/075053 priority patent/WO2017071999A1/fr
Priority to RU2018115690A priority patent/RU2719998C2/ru
Publication of EP3163240A1 publication Critical patent/EP3163240A1/fr
Application granted granted Critical
Publication of EP3163240B1 publication Critical patent/EP3163240B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/08—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for charging treatment chambers, e.g. furnaces, kilns, ovens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/10—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for transporting ladles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0085—Movement of the container or support of the charge in the furnace or in the charging facilities
    • F27D2003/0086—Up or down
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/12—Travelling or movable supports or containers for the charge
    • F27D2003/125—Charging cars, lift trolleys

Definitions

  • the invention relates to a ladle lifting device for a metallurgical plant.
  • the metal bath pan In order to bring the metal bath pan into a position in which the molten metal contained in the metal bath pan can be treated by means of the treatment device, the metal bath pan is usually raised so that in particular an inlet pipe of the treatment apparatus is immersed in the metal bath pan. After completion of the metallurgical treatment of the molten metal, the metal bath pan is then lowered again and transported away by means of the transport device. Subsequently, another metal bath pan, which contains a further molten metal to be treated, can be transported to the treatment device on the same or another transport device and the further molten metal can be subjected to a metallurgical treatment in an analogous manner.
  • a ladle lifting device is eg in WO 2012/000218 A1 disclosed.
  • This pan lifting device comprises a lifting frame on which a metal bath pan can be mounted, and a plurality of lifting cylinders, by means of which the lifting frame can be raised together with the metal bath pan.
  • the lifting frame and the metal bath pan have a high dead weight and therefore require powerful designed and therefore costly lifting cylinder.
  • An object of the invention is to provide a low-cost ladle lifting device for a metallurgical plant.
  • the ladle lifting device has a lifting arm with a rotatably mounted arm member, a first drive element for driving the rotatably mounted arm member of the lifting arm and a first pan holding unit connected to the lifting arm for holding a metal bath pan.
  • This ladle lifting device is that it can be realized with a low weight, in particular because the ladle lifting device does not require a massive lifting frame for lifting the metal bath pan. This allows the use of a less powerful and therefore less expensive drive element than in the prior art.
  • the pan lifting device for example, on an existing scaffold of the metallurgical plant on which, for example, a treatment vessel is stored stored be and / or be mounted on such a scaffold.
  • a metal bath pan can be understood as meaning a metallurgical pan for holding a metal bath melt, also called a metal bath.
  • the lift arm on an upper arm member and a connected to the upper arm member forearm member Preferably, the upper arm member and the lower arm member are interconnected by a hinge, whereby in particular an angle between the upper arm member and the lower arm member is adjustable.
  • the lifting arm is thus preferably a Gelenkhubarm. This allows a compact or space-saving design of Pfannenhubvoriques. In addition, this can provide good accessibility to other elements of the metallurgical plant, e.g. to a treatment vessel, in particular when the arm members are brought into a corresponding position.
  • the upper arm member is rotatably mounted. That is, the upper arm member may be the aforementioned rotatably mounted arm member of the lift arm. Further, it is advantageous if the lower arm member is connected to the first cup holding unit, in particular by a hinge. Conveniently, the lower arm member is connected at one end (ie with one of its ends) to the first cup holding unit and the other end (ie with another of its ends) connected to the upper arm member.
  • the first drive element is a lifting cylinder, in particular a hydraulic, pneumatic or Elektrohubzylinder. Because a lifting cylinder provides a cost effective means of driving the In addition, the lifting cylinder can be made compact, so that it allows good accessibility to other elements of the metallurgical plant. Means for controlling the lifting cylinder, such as a pressure fluid reservoir and / or a pressure medium pump can be placed away from the lifting cylinder.
  • the first drive element may include, among other things, a cylinder housing. Furthermore, the first drive element may have a push rod. The push rod may be adapted to exert a force or a torque on the rotatably mounted arm member of the lift arm.
  • the first drive element is aligned at least substantially vertically.
  • an element may be considered to be substantially vertically aligned if it is inclined by at most 10 °, preferably by at most 5 °, with respect to a vertical.
  • the first drive element can be arranged such that its push rod can be extended downwards out of its cylinder housing.
  • the ladle lifting device expediently has a shaft, in particular a horizontally mounted shaft.
  • the rotatably mounted arm member of the lifting arm is connected to the shaft.
  • the rotatably mounted arm member of the lifting arm is rotationally fixedly connected to the shaft.
  • the upper arm member of the lift arm is connected at one end to the shaft, in particular connected rotationally fixed, and the other end connected to the lower arm member of the lifting arm.
  • the shaft may for example have a crank pin.
  • the shaft can be driven by means of the drive element.
  • the rotatably mounted arm member may have an arm extension.
  • the first drive element may be connected to the crank pin or to the arm extension, in particular by a hinge.
  • the ladle lifting device has a second drive element.
  • the second drive element is arranged for driving the rotatably mounted arm member of the lift arm.
  • the second drive element can be arranged parallel to the first drive element.
  • the second drive element may e.g. be provided for redundancy reasons. If the first or the second drive element has a defect, the metal bath pan can be raised, lowered and / or held using the respective other drive element.
  • the two drive elements can be arranged side by side. Alternatively, the two drive elements may be spaced from each other. For example, a distance between the two drive elements amount to at least 80% of the length of the shaft. In particular, the two drive elements can be placed at or above different ends of the shaft.
  • the second drive element may be identical or substantially identical to the first drive element. Further, any or all of the aforementioned features relating to the first drive member may also refer to the second drive member.
  • the first cup holding unit comprises a retaining hook for hooking to a retaining pin of the metal bath pan.
  • the first cup holding unit comprises a Hubtraverse, in particular a horizontally oriented Hubtraverse.
  • the aforementioned holding hooks can be attached.
  • the retaining hook is centered - with respect to the longitudinal extent of Hubtraverse - attached to the Hubtraverse.
  • the Hubtraverse is connected at one of its two ends to the lifting arm, in particular to the lower arm of the lifting arm, for example by a hinge.
  • the lifting arm, in particular the lower arm member of the lifting arm be connected without a Hubtraverse with the retaining hook.
  • the pan lifting device is equipped with a further lifting arm. Furthermore, it is preferred if the ladle lifting device has a second pan holding unit.
  • the further lifting arm is expediently connected to the second cup holding unit, in particular by a hinge.
  • the second cup holding unit may be identical or substantially identical to the first cup holding unit. Further, any or all of the aforementioned features related to the first cup holding unit may also refer to the second cup holding unit.
  • the further lift arm can be configured identically or substantially identically to the first-mentioned lift arm. Some or all of the aforementioned features relating to the former lift arm may also apply to the second lift arm.
  • the further lifting arm has a rotatably mounted arm member.
  • the rotatably mounted arm member of the further lift arm is preferably drivable by the first drive element and / or by the second drive element.
  • the pan lifting device has two additional lifting arms.
  • the additional lifting arms expediently each have a rotatably mounted arm member.
  • one of the two additional lifting arms is connected to the first cup holding unit, whereas the other of the two lifting arms is connected to another cup holding unit, in particular to the aforementioned second cup holding unit.
  • the load to be lifted by the ladle lifting device can be divided between the individual lifting arms of the ladle lifting device, in particular divided into equal parts.
  • the pan lifting device has one or more additional drive elements, preferably two additional drive elements.
  • the two additional lifting arms are driven by the additional drive element or the additional drive elements.
  • the additional lift arms may be identical or substantially identical to the first-mentioned lift arm. Some or all of the aforementioned features relating to the former lift arm may also apply to the additional lift arms.
  • additional drive elements may be configured identically or substantially identically to the first drive element. Some or all of the aforementioned features relating to the first drive member may also apply to the additional drive members.
  • the invention is directed to a metallurgical plant with the ladle lifting device according to the invention, in particular with an advantageous development of the ladle lifting device according to the invention as described above.
  • the metallurgical plant can, for example, a RH plant (Ruhrstahl-Heraeus plant) to perform the RH process.
  • the metallurgical plant comprises a scaffold for supporting or supporting a metallurgical treatment vessel.
  • the scaffold may include, inter alia, a plurality of vertically oriented longitudinal beams and a plurality of horizontally oriented transverse beams.
  • the pan lifting device is mounted on the scaffold.
  • the Pfannenhubvorraum is attached to the scaffold.
  • the drive elements of the pan lifting device can each be connected by a rotary joint with a crossbar of the metallurgical plant.
  • the metallurgical plant may further comprise a metallurgical treatment vessel, in particular a vacuum treatment vessel.
  • the system may include a vessel change car.
  • the treatment vessel can be mounted on the vessel change car, wherein the vessel change car can in turn be mounted on the support structure.
  • the metallurgical plant may comprise a metal bath pan that can be lifted and lowered by the pan lifter.
  • the invention relates to a method for vertically displacing a metal bath pan.
  • a rotatably mounted arm member of a lifting arm of a pan lifting device is driven by means of a drive element of the pan lifting device, so that the rotatably mounted arm member performs a pivoting movement, and the metal bath pan by the pivoting movement of the rotatably mounted Arm member is displaced vertically by means of a lifting arm connected to the pan holding unit.
  • the method provides a cost effective way of vertically displacing a metal bath pan.
  • the elements mentioned in connection with the method can in particular be elements of the previously described ladle lifting device or of the metallurgical system described above.
  • Vertical displacement of an element in particular the metal bath pan, can be understood to mean raising or lowering this element.
  • the direction of movement of the element is parallel to a vertical, i. vertically aligned.
  • the metal bath pan is held by the cup holding unit, in particular on a retaining pin of the metal bath pan.
  • a push rod of the drive element is extended down to raise the metal bath pan.
  • a connected with the rotatably mounted arm member further arm member of the lifting arm is guided upwards.
  • the further arm member of the lifting arm is expediently a lower arm member of the lifting arm.
  • the push rod of the drive element is preferably retracted upwards. Further, it is preferred if in this case the further arm member of the lifting arm is guided downwards.
  • FIG. 1 shows a front view of a metallurgical plant 2.
  • the metallurgical plant 2 in the present embodiment is an RH plant (Ruhrstahl-Heraeus plant) for decarburizing a molten metal, in particular for decarburizing liquid steel.
  • RH plant Rasstahl-Heraeus plant
  • the metallurgical plant 2 comprises inter alia a support structure 4 with a plurality of vertically oriented longitudinal beams 6 and a plurality of horizontally oriented transverse beams 8, which are connected to the longitudinal beams 6.
  • the metallurgical plant 2 comprises a vessel change car 10, which is mounted on the support frame 4, in particular on two transverse bars 8 of the support frame 4. Furthermore, the metallurgical plant 2 comprises a vacuum treatment vessel 12, which in turn is mounted on the vessel change carriage 10. During operation of the metallurgical plant 2, the vacuum treatment vessel 12 is connected at its upper end with an intake manifold, not shown figuratively, which in turn is connected to a vacuum pump, not shown figuratively, by means of which a vacuum in the vacuum treatment vessel 12 can be generated. Furthermore, the vacuum treatment vessel 12 has a dip tube unit 14.
  • the metallurgical plant 2 comprises a metal bath pan 16 and a ladle carriage 18 for transporting the metal bath pan 16 FIG. 1 the metal bath pan 16 mounted on the ladle cart 18 is placed under the vacuum treatment vessel 12. Furthermore, the metal bath pan 16 has two retaining pins 20, of which in FIG. 1 only one is recognizable (cf. FIG. 2 ).
  • the metallurgical plant 2 has a ladle lifting device 22, which is mounted on the support frame 4 and by means of which the metal bath pan 16 can be raised and lowered again.
  • the Pfannenhubvorraum 22 includes four drive elements 24, which are each configured in the present embodiment as a lifting cylinder.
  • the drive elements 24 can in particular hydraulic, pneumatic or Elektrohubzylinder be. Compressed air, hydraulic or electrical control lines, via which the drive elements 24 are controllable, are not shown figuratively for the sake of clarity.
  • FIG. 1 only two of the four drive elements 24 can be seen, since these two drive elements 24 conceal the other two drive elements 24 (cf. FIG. 6 ).
  • Two of the four drive elements 24 are arranged parallel to one another on a first side 26 of the support frame 4.
  • the other two drive elements 24 are arranged on one of the first side 26 opposite the second side 28 of the support frame 4 parallel to each other and mirror-symmetrical to the first two drive elements 24.
  • Each of the drive elements comprises a cylinder housing 30 and a push rod 32. Further, the drive elements 24 are substantially vertically aligned and arranged such that their push rods 32 are extendable downward from their cylinder housings 30.
  • the pan lifting device 22 comprises four lifting arms 34 each having a rotatably mounted upper arm member 36 and a respective lower arm member 38.
  • FIG. 1 only two of the four lift arms 34 can be seen, since these two lift arms 34 obscure the other two lift arms 34 (see. FIG. 2 ).
  • Two of the four lift arms 34 are arranged on the first side 26 of the support frame 4.
  • the other two lifting arms 34 are arranged on the second side 28 of the scaffold 4 mirror-symmetrical to the two first-mentioned lifting arms 34.
  • the upper arm member 36 of the respective lift arm 34 is connected by a pivot 40 to the lower arm member 38 of the respective lift arm 34, so that an angle between the two arm members 36, 38 is adjustable.
  • the ladle lifting device 22 comprises two pan holding units 42 each having a lifting crossbar 44 and a attached to the Hubtraverse 44 retaining hook 46th In FIG. 1 is only one of the cup holding units 42 recognizable (see. FIG. 2 ).
  • the pan lifting device 22 comprises two horizontally aligned shafts 48, which are each mounted on a lower transverse bar of the support frame 4 (see. FIG. 2 ). Both shafts 48 each have two crank pin 50 in the middle. One of the two shafts 48 is arranged on the first side 26 of the support frame 4, while the other of the two shafts 48 is arranged on the second side 28 of the support frame 4.
  • the two arranged on the first side 26 of the support frame 4 lift arms 34 are connected with their respective upper arm member 36 rotationally fixed to that shaft 48 which is disposed on the first side 26 of the support frame 4. Accordingly, the two arranged on the second side 28 of the support frame 4 lift arms 34 are connected with their respective upper arm member 36 rotationally fixed to that shaft 48 which is disposed on the second side 28 of the support frame 4.
  • the upper arm members 36 are each attached to one end of the corresponding shaft 48.
  • each of the drive elements 24 at one end (and at its upper end) are each connected by a pivot 52 with an upper crossbar 8 of the support frame 4.
  • each of the drive elements 24 is connected to one of the crankpins 50 by a pivot 54 so that the drive elements 24 respectively drive the lift arms 34 connected to the shaft 48 via the shaft 48 disposed on the same side of the support frame 4 can.
  • the drive elements 24 are each arranged on the outside of the support frame 4, so that good accessibility to the vacuum treatment vessel 12 is given, which in turn allows a quick and / or low-cost replacement of the vacuum treatment vessel 12.
  • the two lifting cross members 44 are each connected at one of its two ends to the lower arm members 38 of the lifting arms 34 arranged on the first side 26 of the supporting frame 4.
  • the two Hubtraversen 44 are each connected to the other of its two ends with the lower arm members 38 of arranged on the second side 28 of the support frame 4 lifting arms 34.
  • the Hubtraversen 44 are each connected by a rotary joint 56 with the respective lower arm member 38.
  • FIG. 2 shows a side view of the metallurgical plant 2, wherein the metallurgical plant 2 is shown in the same state as in FIG. 1 ,
  • FIG. 2 In addition to some of the elements described above, one of the two previously mentioned shafts 48, both cup holding units 42 of Pfannenhubvoriques 22, and both retaining pin 20 of the metal bath pan 16 recognizable. Also, in FIG. 2 two of the four drive elements 24 are shown, which are arranged side by side on the same side of the scaffold 4.
  • FIG. 3 shows an isometric view of the metallurgical plant 2 in a state in which the pan car 18 and arranged on the pan car 18 metal bath pan 16 are arranged laterally offset from the support frame 4.
  • the push rods 32 of the drive elements 24 are retracted as far as possible in the cylinder housing 30 of the respective drive member 24, wherein the Hubtraversen 44 are each in their lowest position.
  • the metal bath pan 16 is first moved under the vacuum treatment vessel 12 with the aid of the ladle carriage 18. Subsequently, the retaining hooks 46 are hooked to the retaining pin 20 of the metal bath pan 16 (see. FIG. 4 ).
  • FIG. 4 shows an isometric view of the metallurgical plant 2 in a state in which the pan car 18 and disposed on the pan car 18 metal bath pan 16 are located under the vacuum treatment vessel 12 and the two retaining hooks 46 are hooked to the retaining pin 20 of the metal bath pan 16.
  • the push rods 32 of the drive elements 24 are a bit far out of the cylinder housing 30 of the respective drive element 24 extended and the two Hubtraversen 44 are in a slightly higher position than in FIG. 3 ,
  • the metal bath pan 16 is lifted by the ladle lifting device 22 until the dip tube unit 14 of the vacuum treatment vessel 12 dips into the molten metal contained in the metal bath pan 16, so that a metallurgical treatment of the molten metal can be performed by the vacuum treatment vessel 12 (see FIG. FIG. 5 ).
  • the lifting arms 34 of the pan lifting device 22 are driven by means of the drive elements 24.
  • the push rods 32 of all four drive elements 24 are extended synchronously and with the same amplitude from downwards out of the respective cylinder housing 30.
  • each of the drive elements 24 exerts a torque on the respective shaft 48 via the crank pin 50 connected to it, which is thereby set into rotary motion.
  • This causes the upper arm members 36 of the lifting arms 34, which are connected in a rotationally fixed manner to the shafts 48, to execute a rotary / pivoting movement.
  • the lower arm members become 38 and connected to the lower arm members 38 Hubtraversen 44 led upwards. In this way, the metal bath pan 16 is raised by means of the retaining hooks 46 fastened to the lifting crosspieces 44.
  • FIG. 5 11 shows an isometric view of the metallurgical plant 2 in a state in which the metal bath pan 16 is lifted so far that the dip tube unit 14 of the vacuum treatment vessel 12 dips into the molten metal present in the metal bath pan 16.
  • the metal bath pan 16 is e.g. then lowered when the metallurgical treatment of the molten metal is completed and / or when an exchange of the vacuum treatment vessel 12 is intended.
  • the Hubtraversen 44 Pfannenhubvorides 22 are each brought to their lowest position, so that the vacuum treatment vessel 12 can be moved away from the scaffold 4 using the vessel changing car 10 (see. FIG. 6 ).
  • FIG. 6 shows an isometric view of the metallurgical plant 2 in a state in which the Gefäß monatomwagen 10 and mounted on the vessel changing car 10 vacuum treatment vessel 12 are placed laterally offset to the support frame 4 and the Hubtrversen 44 of Pfannenhubvor substances 22 are each in their lowest position.
  • the metal bath pan 16 is arranged on the ladle carriage 18, which is placed laterally offset relative to the support frame 4.
  • FIG. 7 shows a perspective view of an alternative metallurgical plant 58. Also in the metallurgical plant 58 of the present embodiment is an RH plant for decarburizing a molten metal, in particular for decarburizing liquid steel.
  • This metallurgical plant 58 also includes a ladle cart and a metal bath pan. However, these are in FIG. 7 for better clarity not shown.
  • the upper arm members 36 of the lifting arms 34 each have an arm extension 60 on.
  • each of the drive elements 24 is connected at its lower end in each case via a pivot 62 with one of the arm extensions 60.
  • each of the drive elements 24 when raising or lowering the metal bath pan, each of the drive elements 24 directly exerts a torque on the upper arm link 36 connected to it.
  • the drive elements 24 arranged on the same side of the metallurgical system 58 are spaced apart from one another, their distance from one another being approximately 90% of the length of the respective shaft 48.
  • FIG. 8 shows in isolation the ladle lifting device 22 of the metallurgical plant 58 from FIG. 7 in a perspective view.
  • the arm extension 60 of the respective upper arm member 36 is better recognizable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Claims (15)

  1. Dispositif de levage de poche (22) pour une installation métallurgique (2, 58), comprenant un bras de levage (34) avec un organe de bras (36) monté pivotant, un premier élément d'entraînement (24) pour l'entraînement de l'organe de bras (36) monté pivotant du bras de levage (34) et une première unité de retenue de poche (42) reliée au bras de levage (34) pour la retenue d'une poche de bain métallique (16).
  2. Dispositif de levage de poche (22) selon la revendication 1,
    caractérisé en ce que le bras de levage (34) comprend un organe de bras supérieur (36) ainsi qu'un organe de bras inférieur (38) relié à l'organe de bras supérieur (36) par l'intermédiaire d'une articulation pivotante (40), dans lequel l'organe de bras supérieur (36) est monté pivotant et l'organe de bras inférieur (38) est relié à la première unité de retenue de poche (42) par l'intermédiaire d'une articulation pivotante (56).
  3. Dispositif de levage de poche (22) selon la revendication 1 ou la revendication 2,
    caractérisé en ce que le premier élément d'entraînement (24) est un vérin de levage, par exemple un vérin de levage hydraulique, pneumatique ou électrique, et comprend un logement de vérin (30) ainsi qu'une tige de poussée (32), dans lequel le premier élément d'entraînement (24) est orienté au moins essentiellement à la verticale, est orienté essentiellement à la verticale, incliné par rapport à une verticale, de 10° au plus, de préférence de 5° au plus, et est disposé de telle sorte que sa tige de poussée (32) puisse se déployer vers le bas à partir de son logement de vérin (30).
  4. Dispositif de levage de poche (22) selon l'une des revendications précédentes,
    caractérisé par un arbre (48) monté horizontalement auquel est relié de manière à exclure toute rotation l'organe de bras (36) monté pivotant du bras de levage (34).
  5. Dispositif de levage de poche (22) selon la revendication 4,
    caractérisé en ce que l'arbre (48) comprend un maneton (50) auquel est relié le premier élément d'entraînement (24) par l'intermédiaire d'une articulation pivotante (54), ou en ce que l'organe de bras (36) monté pivotant comprend un prolongement de bras (60) auquel est relié le premier élément d'entraînement (24) par l'intermédiaire d'une articulation pivotante (62).
  6. Dispositif de levage de poche (22) selon l'une des revendications précédentes,
    caractérisé par un deuxième élément d'entraînement (24) pour l'entraînement de l'organe de bras (36) monté pivotant du bras de levage (34), dans lequel le deuxième élément d'entraînement (24) est disposé parallèlement au premier élément d'entraînement (24).
  7. Dispositif de levage de poche (22) selon l'une des revendications précédentes,
    caractérisé en ce que la première unité de retenue de poche (42) comporte un crochet de retenue (46) pour l'accrochage de la poche de bain métallique (16) sur un tenon de retenue (20).
  8. Dispositif de levage de poche (22) selon la revendication 7,
    caractérisé en ce que la première unité de retenue de poche (42) comporte une traverse de levage (44) sur laquelle est fixé le crochet de retenue (46) et qui est reliée au niveau de l'une de ses deux extrémités au bras de levage (34) par l'intermédiaire d'une articulation pivotante (56).
  9. Dispositif de levage de poche (22) selon l'une des revendications précédentes,
    caractérisé par une deuxième unité de retenue de poche (42) et un autre bras de levage (34) qui est relié à la deuxième unité de retenue de poche (42) par l'intermédiaire d'une articulation pivotante (56) et comprend un organe de bras (36) monté pivotant, lequel peut être entraîné par le premier élément d'entraînement (24).
  10. Dispositif de levage de poche (22) selon l'une des revendications précédentes,
    caractérisé par deux éléments d'entraînement (24) supplémentaires et deux bras de levage (34) supplémentaires qui comprennent chacun un organe de bras (36) monté pivotant, lequel peut être entraîné par les deux éléments d'entraînement (24) supplémentaires, dans lequel l'un des deux bras de levage (34) supplémentaires est relié à la première unité de retenue de poche (42) et l'autre des deux bras de levage (34) est relié à une autre unité de retenue de poche (42).
  11. Installation métallurgique (2, 58) avec un dispositif de levage de poche (22) selon l'une des revendications précédentes ainsi qu'un support (4) servant à porter une cuve de traitement métallurgique (12), dans laquelle le dispositif de levage de poche (22) est monté sur le support (4).
  12. Installation métallurgique (2, 58) selon la revendication 11,
    caractérisée par une cuve de traitement métallurgique (12), par exemple une cuve de traitement sous vide, et un chariot formant navette pour cuve (10) sur lequel est montée la cuve de traitement (12), dans laquelle le chariot formant navette pour cuve (10) est monté de son côté sur le support (4).
  13. Procédé pour le déplacement vertical d'une poche de bain métallique (16), dans lequel un organe de bras monté pivotant d'un bras de levage (34) d'un dispositif de levage de poche (22) est entraîné à l'aide d'un élément d'entraînement (24) du dispositif de levage de poche (22), afin que l'organe de bras (36) monté pivotant effectue un mouvement de pivotement, et que la poche de bain métallique (16) soit déplacée verticalement au moyen d'une unité de retenue de poche (42) reliée au bras de levage (34) par le mouvement de pivotement de l'organe de bras (36) monté pivotant.
  14. Procédé selon la revendication 13,
    caractérisé en ce que, pour le soulèvement de la poche de bain métallique (16), une tige de poussée (32) de l'élément d'entraînement (24) est déployée vers le bas et ainsi un autre organe de bras (38), relié à l'organe de bras (36) monté pivotant, du bras de levage (34) est guidé vers le haut.
  15. Procédé selon la revendication 13 ou la revendication 14,
    caractérisé en ce que, pour l'abaissement de la poche de bain métallique (16), une tige de poussée (32) de l'élément d'entraînement (24) est rentrée vers le haut et ainsi un autre organe de bras (38), relié à l'organe de bras (36) monté pivotant, du bras de levage (34) est guidé vers le bas.
EP15191687.1A 2015-10-27 2015-10-27 Dispositif de levee de poche de coulee et procede de deplacement vertical d'une poche de coulee de bain metallique Active EP3163240B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15191687.1A EP3163240B1 (fr) 2015-10-27 2015-10-27 Dispositif de levee de poche de coulee et procede de deplacement vertical d'une poche de coulee de bain metallique
ES15191687.1T ES2690539T3 (es) 2015-10-27 2015-10-27 Dispositivo de elevación de cuchara y método para el traslado vertical de una cuchara para metal fundido
MX2018005111A MX2018005111A (es) 2015-10-27 2016-10-19 Dispositivo de elevacion de cuchara y metodo para el traslado vertical de una cuchara para metal fundido.
PCT/EP2016/075053 WO2017071999A1 (fr) 2015-10-27 2016-10-19 Dispositif de levage de poche et procédé de déplacement vertical d'une poche de bain métallique
RU2018115690A RU2719998C2 (ru) 2015-10-27 2016-10-19 Устройство подъема ковша и способ вертикального перемещения ковша ванны жидкого металла

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15191687.1A EP3163240B1 (fr) 2015-10-27 2015-10-27 Dispositif de levee de poche de coulee et procede de deplacement vertical d'une poche de coulee de bain metallique

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Publication Number Publication Date
EP3163240A1 EP3163240A1 (fr) 2017-05-03
EP3163240B1 true EP3163240B1 (fr) 2018-07-11

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EP (1) EP3163240B1 (fr)
ES (1) ES2690539T3 (fr)
MX (1) MX2018005111A (fr)
RU (1) RU2719998C2 (fr)
WO (1) WO2017071999A1 (fr)

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CN107866553B (zh) * 2017-12-07 2023-07-14 北京北科中钢工程技术有限公司 一种耐高温复合盖加揭盖装置
CN113044492B (zh) * 2019-12-28 2021-12-10 中国科学院沈阳自动化研究所 一种tnt自动转运加料装置
CN112692269A (zh) * 2020-12-23 2021-04-23 中国十九冶集团有限公司 一种大包回转台安装方法
CN112872345B (zh) * 2021-01-13 2022-12-13 盐城市盛典锅炉制造有限公司 一种高炉铸造钢水运输车
CN113042723B (zh) * 2021-03-09 2023-02-07 河北纵横集团丰南钢铁有限公司 一种钢铁连铸生产工艺

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BE792938A (fr) * 1971-12-22 1973-06-18 Uss Eng & Consult Appareil servant a manutentionner une poche de coulee intermediaire contenant du metal chaud sur un chariot de portique de manutention
DE102006026330B3 (de) * 2006-06-02 2007-10-31 Vai Fuchs Gmbh Hubwerk für Stahlbehandlungspfannen in RH-Anlagen
CN201694756U (zh) 2010-07-01 2011-01-05 宝钢工程技术集团有限公司 液压缸顶升的钢包提升装置
DE102013213718B3 (de) * 2013-07-12 2014-10-30 Siemens Vai Metals Technologies Gmbh Vorrichtung zum Anheben und wieder Absetzen einer Pfanne, Anlage mit einer solchen Vorrichtung und Verfahren
DE102013213716B4 (de) * 2013-07-12 2020-10-08 Primetals Technologies Austria GmbH Vorrichtung und Verfahren zum Anheben einer Pfanne
EP2921563A1 (fr) * 2014-03-20 2015-09-23 Siemens VAI Metals Technologies GmbH Dispositif de levage et/ou d'abaissement vertical d'un récipient métallurgique, installation dotée d'un tel dispositif et procédé

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Also Published As

Publication number Publication date
EP3163240A1 (fr) 2017-05-03
MX2018005111A (es) 2018-06-06
RU2719998C2 (ru) 2020-04-23
WO2017071999A1 (fr) 2017-05-04
RU2018115690A (ru) 2019-11-28
RU2018115690A3 (fr) 2020-02-17
ES2690539T3 (es) 2018-11-21

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