EP0621097B1 - Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu - Google Patents

Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu Download PDF

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Publication number
EP0621097B1
EP0621097B1 EP93401009A EP93401009A EP0621097B1 EP 0621097 B1 EP0621097 B1 EP 0621097B1 EP 93401009 A EP93401009 A EP 93401009A EP 93401009 A EP93401009 A EP 93401009A EP 0621097 B1 EP0621097 B1 EP 0621097B1
Authority
EP
European Patent Office
Prior art keywords
plate
refractory
movable
fixed
plates
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
Application number
EP93401009A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0621097A1 (fr
Inventor
François Noel Richard
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.)
Vesuvius France SA
Original Assignee
Vesuvius France SA
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 Vesuvius France SA filed Critical Vesuvius France SA
Priority to ES93401009T priority Critical patent/ES2117110T3/es
Priority to EP93401009A priority patent/EP0621097B1/fr
Priority to AT93401009T priority patent/ATE163583T1/de
Priority to DE69317260T priority patent/DE69317260T2/de
Priority to US08/214,287 priority patent/US5388733A/en
Priority to BR9404969A priority patent/BR9404969A/pt
Priority to PCT/EP1994/001212 priority patent/WO1994023864A2/en
Priority to AU66793/94A priority patent/AU667275B2/en
Priority to JP52277294A priority patent/JP3335357B2/ja
Priority to CN94190196A priority patent/CN1057717C/zh
Priority to RU94046377A priority patent/RU2117552C1/ru
Priority to CA002137373A priority patent/CA2137373A1/en
Priority to MXPA94002806A priority patent/MXPA94002806A/es
Publication of EP0621097A1 publication Critical patent/EP0621097A1/fr
Application granted granted Critical
Publication of EP0621097B1 publication Critical patent/EP0621097B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate

Definitions

  • the invention relates to a set of refractory elements, in particular for a shutter of casting, said casting shutter comprising a metal frame mounted on a metallurgical container, at least one fixed refractory plate, comprising at least one pouring orifice, at least one movable refractory plate, comprising at least one pouring orifice, at least one collecting nozzle made integral with the movable plate, displacement means for displacing said at least one movable plate by relative to said at least one fixed plate so as to control the recovery of the orifice of the fixed plate and the movable plate; means of pressure which allow to clamp said at least one movable plate against said at least one fixed plate (known for example by: Stahl und Eisen 94 (1974) No. 2, pages 70-72).
  • each refractory element is changed individually.
  • the collecting nozzle can be reached from outside the metal frame but access to the plates to be changed requires opening this metal frame.
  • the flow shutter has a door mounted on hinges. This door can be opened to give access to the refractories.
  • Each refractory plate is removed individually and replaced with a new plate (with or without metal casing). This method is well suited when the elements refractories to handle are light enough to be easy to replace manually and provided that the access and ambient conditions allow the operator has easy and safe access.
  • a first step the set of used refractories is removed in a single operation, and in a second step we put back a new set of new refractories.
  • a gripper and a single movement are sufficient, whereas according to the prior art, a gripper and a specific movement by refractory element were necessary.
  • the handling time is greatly reduced because the handling of each of the elements is replaced by a single overall handling. Automation is made easier by the uniqueness of the movement.
  • the number of manipulations to be performed is reduced in a ratio of 2 to 3.
  • FIG. 1 shows an overview of a converter 1 for the development of steel.
  • a drawer shutter designated by the general reference 10 is fixed under the converter 1.
  • the steel contained in this converter is poured into a pocket 3 through a tap hole.
  • FIG. 2 a sectional view of the drawer shutter 10 mounted on the converter 1.
  • This shutter consists of a metal frame 12 fixed on the outside wall of the converter.
  • a fixed plate 14 and a movable plate 16.
  • Each of these plates has an orifice, respectively 14a, 16a for the passage of the metal.
  • pressure means press the movable plate 16 against the fixed plate 14 and this one against a plate 36 mounted in a recess of the frame 12.
  • the fixed plate is placed in a frame, said frame for driving the fixed plate 20, and the movable plate in a drive frame 22 of the movable plate 16.
  • the rod 44 of the cylinder is retained in a housing of the drive frame of the movable plate 22.
  • the jack allows the movable plate to be moved on the fixed plate.
  • the shutter comprises in all three plates, namely the junction plate 36, the fixed plate 14 and the plate mobile 16. But only the fixed plates 14 and mobile 16 are working plates which support erosion on contact with liquid metal. On the contrary, the junction plate 36 does not see steel in the sense that it is only changed when converter 1 is empty.
  • the drawer shutter has two work plates only in addition to the junction plate, it could include more, for example three or more.
  • a lock with 2 positions 50 This lock is mounted on the frame 20 for driving the fixed plate. In a first position, shown in Figure 1, it enters a housing 51 of the frame 2. In its other position it enters a housing 3 provided in the drive frame 22 of the movable plate. In the first position it immobilizes the drive frame of the fixed plate relative to the frame and, in its second position, relative to the drive frame of the movable plate.
  • the cylinder presents sufficient travel to move the set of two frames 20 and 22 sufficiently to release the set of refractory elements from the grip of the pressure means of the fixed plate against the junction surface of the pouring orifice.
  • the same means namely the cylinder achieves successively two distinct functions.
  • it allows to move the plate movable on the fixed plate (first position of the latch 50).
  • it is used during the extraction of the part to be changed from the installation of a new fixed plate.
  • the lock is placed in its second position, which allows to move with one blocks the fixed plate drive frame and the plate drive frame mobile joined together by the bolt 50.
  • the set of refractory to be changed is moved at the same time as frames 20 and 22.
  • FIG 4 the drawer of Fig 3 in the open position.
  • the latch 50 is placed in said second position in which it secures the frame drive 20 of the fixed plate 14 with the drive frame 22 of the plate mobile 16.
  • the jack 28, the rod 44 of which is connected to the block 22 for driving the movable plate was used to push the assembly constituted by the two frames drive (fixed and mobile) and the plates housed in the openings of these frames (fixed plate 14 and movable plate 16). This movement was continued enough to that the set of refractories be entirely freed from the action of pressure means 26.
  • the set of refractories can be freely removed without having to open a door as is generally done in prior art devices. No connection or disconnection is required because the cylinder rod remains fixed to the frame during these operations drive plate.
  • the set to change constituted as we said previously of the fixed refractory plate 14, of the movable refractory plate 16, of the casing 38 of the fixed plate 14 and the casing 40 of the movable plate 16 is evacuated in a single operation by means of a gripper.
  • a set of replacement, comprising new refractories, is then brought by means of the same different manipulator or gripper.
  • the jack is then actuated to pull the assembly which penetrates laterally relative to to the pouring opening under the locking means 26, which positions the two plates without further operation.
  • the fixed plate 14 is slid under pressure means 30 before the fixed plate 14 begins to cover the pouring opening.
  • this embodiment has a double advantage.
  • it allows, according to the invention, to change the set of refractories in a single operation at instead of having to successively manipulate the various refractory plates.
  • this is an important advantage in the case where the set of refractories has two plates as in the example shown.
  • This characteristic saves time important. This time saving is increased when two grippers are used, one for remove the used refractories, the other to install a set of new refractories.
  • the two grippers do not perform the same function because it is easier to remove the set of used refractories than to install a new set of refractory.
  • the gripper used for removal therefore does not need to be very sophisticated.
  • the embodiment shown has yet another advantage.
  • This slide constitutes the connection which makes it possible to set up and / or remove the fixed refractory plate and the movable refractory plate in a single operation of the flow shutter. It goes without saying in the case where the set of refractory plates has more than two plates, each of these plates may have an envelope clean metal, each refractory plate being made integral with the plate neighboring refractory by means of a slide similar to that which has just been described.
  • FIG. 6 there is shown in Figure 6 an alternative embodiment of the device shown in Figure 5.
  • the fixed refractory plate 14 comprises an envelope metallic 110, in an identical manner to what has been described with reference to FIG. 5.
  • the mobile refractory plate 16 and the pouring nozzle 42 are placed in a rigid metal frame 120.
  • This metal frame has a groove 122in which houses the flange 114 of the metal casing 110 of the plate fixed refractory so as to constitute a slide, as described above.
  • this slide can also be equipped with limit stops.
  • the relative position predetermined can also be obtained by ensuring a mechanical setting strong enough to maintain the relative positions of the two plates during the handling and low enough to be destroyed by means of drives (wedge in the slide, pin between the metal frames ).
  • FIG. 7 shows an alternative embodiment of the invention. In this case
  • FIG. 7 shows an alternative embodiment of the invention.
  • the frame is constituted by a fixed frame 60 and by a door 62 mounted on articulated hinges 64 on the fixed frame 60.
  • the set of refractories to be exchanged is consisting of a fixed refractory plate 14 and a movable refractory plate 16. These plates have through holes arranged in alignment with each other.
  • a manipulator 66 includes a gripper 68, the end of which can be inserted into the holes.
  • the gripper 68 constitutes the means which makes it possible to link the plates 14 and 16 constituting the game so that they can be inserted and / or removed in one surgery.
  • the means which allow to link the plates together are external to the set of refractories. This is however sufficient because it is only necessary that the plates are linked together only during their handling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Sliding Valves (AREA)
EP93401009A 1993-04-19 1993-04-19 Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu Expired - Lifetime EP0621097B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
ES93401009T ES2117110T3 (es) 1993-04-19 1993-04-19 Juego de elementos refractarios para un obturador de colada y procedimiento para cambiar dicho juego.
EP93401009A EP0621097B1 (fr) 1993-04-19 1993-04-19 Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu
AT93401009T ATE163583T1 (de) 1993-04-19 1993-04-19 Keramischer bausatz für einen giessverschluss und verfahren zum wechselen desselben
DE69317260T DE69317260T2 (de) 1993-04-19 1993-04-19 Keramischer Bausatz für einen Giessverschluss und Verfahren zum Wechselen desselben
US08/214,287 US5388733A (en) 1993-04-19 1994-03-17 Slide gate valve having replaceable refractory valve plate assembly and method of replacing the same
PCT/EP1994/001212 WO1994023864A2 (en) 1993-04-19 1994-04-19 Slide gate valve having replaceable refractory valve plate assembly and method of replacing the same
BR9404969A BR9404969A (pt) 1993-04-19 1994-04-19 Válvula de gaveta para regular a vazão de metal líquido e processo de substituição do conjunto de placas refratárias e das placas refratárias fixa e móvelde uma válvula de gaveta
AU66793/94A AU667275B2 (en) 1993-04-19 1994-04-19 Slide gate valve having replaceable refractory valve plate assembly and method of replacing the same
JP52277294A JP3335357B2 (ja) 1993-04-19 1994-04-19 交換可能な耐熱性弁プレート集合体を有する滑り弁および滑り弁を交換する方法
CN94190196A CN1057717C (zh) 1993-04-19 1994-04-19 具有可更换的耐火材料阀板组件的滑动闸板及阀板组件的更换方法
RU94046377A RU2117552C1 (ru) 1993-04-19 1994-04-19 Шиберный затвор для управления потоком расплавленного металла, способ замены узла с огнеупорными пластинами в шиберном затворе и способ замены неподвижной и подвижной огнеупорных шиберных пластин
CA002137373A CA2137373A1 (en) 1993-04-19 1994-04-19 Slide gate valve having replaceable refractory valve plate assembly and method of replacing the same
MXPA94002806A MXPA94002806A (es) 1993-04-19 1994-04-19 Valvula corrediza para colada con conjunto reemplazable de placas refractarias de valvula y metodo para reemplazar el mismo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93401009A EP0621097B1 (fr) 1993-04-19 1993-04-19 Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu

Publications (2)

Publication Number Publication Date
EP0621097A1 EP0621097A1 (fr) 1994-10-26
EP0621097B1 true EP0621097B1 (fr) 1998-03-04

Family

ID=8214701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401009A Expired - Lifetime EP0621097B1 (fr) 1993-04-19 1993-04-19 Jeu d'éléments réfractaires pour un obturateur de coulée et procédé pour changer ce jeu

Country Status (13)

Country Link
US (1) US5388733A (ja)
EP (1) EP0621097B1 (ja)
JP (1) JP3335357B2 (ja)
CN (1) CN1057717C (ja)
AT (1) ATE163583T1 (ja)
AU (1) AU667275B2 (ja)
BR (1) BR9404969A (ja)
CA (1) CA2137373A1 (ja)
DE (1) DE69317260T2 (ja)
ES (1) ES2117110T3 (ja)
MX (1) MXPA94002806A (ja)
RU (1) RU2117552C1 (ja)
WO (1) WO1994023864A2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2731725B2 (ja) * 1994-08-25 1998-03-25 東芝セラミックス株式会社 再生スライドゲートプレート
US5626164A (en) * 1995-08-02 1997-05-06 Vesuvius Crucible Company Crack resistant valve plate assembly for a molten metal slide gate valve
JP3021333B2 (ja) * 1995-10-31 2000-03-15 黒崎窯業株式会社 スライディングノズル装置と同装置を用いる面圧負荷解除方法
DE10140202A1 (de) * 2001-08-16 2003-03-06 Bayer Ag Vanadium-Imido-Phosphoraniminato für die Olefinpolymerisation
JP6802033B2 (ja) * 2016-10-20 2020-12-16 黒崎播磨株式会社 プレートの保持装置、保持構造及び保持方法
CN108823353A (zh) * 2018-06-05 2018-11-16 马鞍山利尔开元新材料有限公司 一种高寿命的连滑闸阀系统
KR20210102904A (ko) * 2018-12-18 2021-08-20 베수비우스 그룹, 에스. 에이. 야금 주조 설비

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043217B (en) * 1979-03-02 1982-10-20 Flogates Ltd Spring device for sliding gate valve
DE2924118C2 (de) * 1979-06-15 1983-03-31 Zimmermann & Jansen GmbH, 5160 Düren Schieberverschluß für eine Gießpfanne
US4415103A (en) * 1979-09-07 1983-11-15 Uss Engineers And Consultants, Inc. Full throttle valve and method of tube and gate change
US4545512A (en) * 1981-01-19 1985-10-08 Uss Engineers & Consultants, Inc. Full throttle valve and method of tube and gate change
DE3230107A1 (de) * 1982-08-13 1984-03-01 Raimund Dipl.-Ing. 6238 Hofheim Brückner Verwendung von keramischem fasermaterial bei feuerfesten verschleissteilen von schiebeverschluessen fuer fluessige metallschmelze enthaltende gefaesse sowie schiebeverschluss mit feuerfesten verschleissteilen aus keramischem fasermaterial
JPH0335481Y2 (ja) * 1984-09-11 1991-07-26
DE3500863A1 (de) * 1985-01-12 1986-07-17 Stopinc Ag, Baar Schiebeverschluss fuer den ausguss metallurgischer gefaesse
US4892235A (en) * 1988-06-23 1990-01-09 Flo-Con Systems, Inc. Joint and shroud support for pour tube and collector nozzle
US5211857A (en) * 1990-10-31 1993-05-18 Leco Corporation Gate safety arrangement
US5011050A (en) * 1990-10-31 1991-04-30 Leco Corporation Stepped gate safety arrangement
AU9020691A (en) * 1990-11-21 1992-06-25 Broken Hill Proprietary Company Limited, The Continuous casting of molten metal
ES2176196T5 (es) * 1993-04-19 2006-05-01 Vesuvius France S.A. Dispositivo de colada que incluye una union sin cemento de un contenedor metalurgico a un obturador de cajon, y procedimiento de aplicacion de dicho dispositivo.

Also Published As

Publication number Publication date
CN1104830A (zh) 1995-07-05
WO1994023864A3 (en) 1994-12-08
JPH07508224A (ja) 1995-09-14
EP0621097A1 (fr) 1994-10-26
DE69317260T2 (de) 1998-06-25
JP3335357B2 (ja) 2002-10-15
RU94046377A (ru) 1996-10-20
ES2117110T3 (es) 1998-08-01
AU667275B2 (en) 1996-03-14
ATE163583T1 (de) 1998-03-15
CN1057717C (zh) 2000-10-25
US5388733A (en) 1995-02-14
WO1994023864A2 (en) 1994-10-27
BR9404969A (pt) 1999-06-15
AU6679394A (en) 1994-11-08
CA2137373A1 (en) 1994-10-27
MXPA94002806A (es) 2004-08-20
RU2117552C1 (ru) 1998-08-20
DE69317260D1 (de) 1998-04-09

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