EP0749789B1 - Machine de coulée continue avec four chauffable à chambres multiples comprenant une coquille dépendant du four - Google Patents

Machine de coulée continue avec four chauffable à chambres multiples comprenant une coquille dépendant du four Download PDF

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Publication number
EP0749789B1
EP0749789B1 EP96250133A EP96250133A EP0749789B1 EP 0749789 B1 EP0749789 B1 EP 0749789B1 EP 96250133 A EP96250133 A EP 96250133A EP 96250133 A EP96250133 A EP 96250133A EP 0749789 B1 EP0749789 B1 EP 0749789B1
Authority
EP
European Patent Office
Prior art keywords
furnace
chamber
mould
pressure
continuous casting
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
EP96250133A
Other languages
German (de)
English (en)
Other versions
EP0749789A1 (fr
Inventor
Erling Dr.-Ing. Roller
Günter PHILLIPPS
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.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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 Demag AG filed Critical SMS Demag AG
Publication of EP0749789A1 publication Critical patent/EP0749789A1/fr
Application granted granted Critical
Publication of EP0749789B1 publication Critical patent/EP0749789B1/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
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/183—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by measuring molten metal weight
    • 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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • 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
    • B22D11/14—Plants for continuous casting
    • B22D11/143—Plants for continuous casting for horizontal casting

Definitions

  • the invention relates to a horizontal continuous caster with a heatable Multi-chamber furnace, consisting of a pressure chamber with a mold chamber in flow connection, and can be fed through an inlet channel, with the Maintaining a constant metallostatic pressure in the mold chamber the pressure conditions in the pressure chamber depending on their level a pressure generating device can be regulated with an oven-dependent Mold arrangement, which is in fluid communication with the mold chamber.
  • a horizontal continuous caster of the generic type known from JP-A-60106647 concerns the weighing of the oven contents.
  • the mold is not supported separately, but with the tundish firmly connected.
  • GB-A-2156523 describes an "adjustabie connection" of the mold to the tundish in with respect to the strand withdrawal axis. A screw connection is loosened for adjustment and then tightened again.
  • DE 43 25 432 discloses a horizontal continuous casting installation with a holding vessel designed as a pressure chamber, which is charged with the molten metal to be cast through an inlet channel and from which the molten metal is removed via a pouring channel and fed to a mold.
  • the warming vessel is closed pressure-tight with a lid to which a pressure generating device is connected.
  • the level of the molten metal in the pouring channel is kept constant by varying the pressure conditions in the holding vessel according to its degree of filling.
  • bath level detection devices are provided in the pouring channel and in the holding vessel, which refer directly to the medial boundary layer between the volume of the pouring channel or the holding vessel filled and unfilled by the molten metal.
  • Another problem with the known continuous caster is that multi-strand continuous casting due to inevitable thermal deformation of the The longitudinal axes of the outer molds in the casting direction in one its size variable, spreading angle to the parallel to each other Take strand guidance of the strand axes.
  • pulling out the parallel Strands have different strand pull-off forces in the individual strands, by transverse forces depending on the angular position of the respective mold Strand withdrawal direction are caused.
  • the strand quality negatively influenced by structural changes during the solidification process.
  • the invention has for its object a horizontal continuous casting machine Specify the type mentioned, in which the reliability of the Level measurement is improved.
  • FIG. 1 a schematic, partially sectioned illustration is shown in FIG a horizontal continuous caster shown.
  • a component of this horizontal continuous caster is a pressure-controlled one Multi-chamber furnace 1, which is a pressure chamber 3 through an inlet channel 2 with the to be poured molten metal, and a mold chamber 4, the the pressure chamber 3 is in flow connection.
  • the pressure chamber 3 is assigned a pressure generating device 11, with which in Dependence on the degree of filling of the multi-chamber furnace 1 to maintain a constant metallostatic pressure in the mold chamber 4 the gas pressure of the melt-free volume regulated above the bath level in the pressure chamber 3 becomes.
  • the multi-chamber furnace 1 is dynamically supported on a weighing device 6 with which the gross weight of the multi-chamber furnace 1 is recorded.
  • this Gross weight resulting from the empty weight of the ready-to-use multi-chamber furnace 1 and the weight of the molten metal located in the multi-chamber furnace 1 composed, a measure of the degree of filling of the multi-chamber furnace 1 and as such a controlled variable for the pressure generating device 11.
  • the type of measurement quantity according to the invention for the degree of filling of the Multi-chamber furnace 1 via the weighing device 6 is independent of incrustations due to inevitable Slag formation in chambers 3 and 4. This will the measurement more reliable.
  • a mold arrangement 5 is attached to the multi-chamber furnace 1.
  • This Mold arrangement 5 can be made from a mold, for example for casting strips, or several juxtaposed molds, for example for multi-strand circular casting. Characteristic of The invention is that this mold arrangement 5 separately on an oven-independent Support frame 10 is mounted and a compressible seal 9 with the Multi-chamber furnace 1 is non-positively connected, with a flow connection between the mold arrangement 5 and the mold chamber 4 of the multi-chamber furnace 1 exists.
  • the weighing device 6 in the case of discontinuously intermittent strand withdrawal, is to be activated as a measuring element only when the strand withdrawal device 8 is at rest.
  • the discontinuous intermittent strand withdrawal is formed by successive cycles with the successive phases train-pause-recoil-pause, where the pauses can last for several seconds.
  • the force between the mold arrangement 5 and the multi-chamber furnace 1 is free of dynamics and in this respect the break phases are particularly advantageously suitable for precisely determining the degree of filling of the multi-chamber furnace 1.
  • the slight vertical movement of the multi-chamber furnace 1 required for the weighing process is irrelevant given varying degrees of filling, because the molten metal enters through the seal 9 into the mold arrangement and only gradually solidifies there.
  • the gross weight detected by the weighing device 6 is relieved by the substantially constant weight portion of the mold arrangement 5 and the variable weight portion of the strand 7, and thus the ratio of the fill weight of the molten metal to the gross weight is improved in favor of a higher measuring accuracy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Refrigerator Housings (AREA)
  • Tunnel Furnaces (AREA)

Claims (2)

  1. Installation de coulée continue horizontale, comportant un four à plusieurs chambres (1) pouvant être chauffé, constitué d'une chambre sous pression (3), qui est en liaison d'écoulement avec une chambre de coquille et peut être remplie par un canal d'entrée, les conditions de pression dans la chambre sous pression étant réglées de façon dépendant de son état de remplissage par un dispositif (11) engendrant de la pression, pour maintenir une pression métallostatique constante dans la chambre de coquille, comportant un agencement de coquille dépendant du four qui est en liaison d'écoulement avec la chambre de coquille, et l'agencement de coquille (5) étant monté, de façon statique, sur un bâti de support (10) indépendant du four, et le four à plusieurs chambres (1) étant monté de façon dynamique sur un dispositif de pesée (6), qui est relié, comme organe de mesure, au dispositif (11) engendrant de la pression, et l'agencement de coquille (5) et le four à plusieurs chambres (1) étant reliés ensemble par l'intermédiaire d'un joint étanche compressible (9).
  2. Procédé pour mettre en oeuvre une installation de coulée continue horizontale selon la revendication 1,
    caractérisé en ce que, dans le cas d'une extraction de barre intermittente discontinue, le dispositif de pesée (6), comme organe de mesure, est actif exclusivement lorsque le dispositif d'extraction de barre (8) est au repos.
EP96250133A 1995-06-22 1996-06-14 Machine de coulée continue avec four chauffable à chambres multiples comprenant une coquille dépendant du four Expired - Lifetime EP0749789B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19523715A DE19523715C1 (de) 1995-06-22 1995-06-22 Horizontal-Stranggießanlage mit einem beheizbaren Mehrkammerofen mit ofenabhängiger Kokille
DE19523715 1995-06-22

Publications (2)

Publication Number Publication Date
EP0749789A1 EP0749789A1 (fr) 1996-12-27
EP0749789B1 true EP0749789B1 (fr) 2001-05-09

Family

ID=7765594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96250133A Expired - Lifetime EP0749789B1 (fr) 1995-06-22 1996-06-14 Machine de coulée continue avec four chauffable à chambres multiples comprenant une coquille dépendant du four

Country Status (8)

Country Link
US (1) US5873403A (fr)
EP (1) EP0749789B1 (fr)
JP (1) JP3727415B2 (fr)
KR (1) KR970000392A (fr)
AT (1) ATE200993T1 (fr)
BR (1) BR9602847A (fr)
DE (2) DE19523715C1 (fr)
TW (1) TW330163B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330010B1 (en) * 1997-11-21 2001-12-11 Xsides Corporation Secondary user interface
US20050080425A1 (en) * 2002-03-18 2005-04-14 Mohit Bhatnagar Minimally invasive bone manipulation device and method of use
JP5855972B2 (ja) * 2012-02-22 2016-02-09 株式会社神戸製鋼所 連続鋳造装置
CN108817339B (zh) * 2018-06-20 2020-04-14 北京科技大学 一种负压连铸装置与负压连铸方法
CN111872335A (zh) * 2020-08-04 2020-11-03 天津宏镁科技有限公司 一种水平连续铸造生产线

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310176A1 (fr) * 1975-05-07 1976-12-03 Davy Loewy Ltd Dispositif de coulee continue
US4150714A (en) * 1977-07-28 1979-04-24 General Motors Corporation Lead casting seal
US4244420A (en) * 1978-05-17 1981-01-13 Davy-Loewy Limited Apparatus for feeding a horizontal continuous casting mold
JPS60106647A (ja) * 1983-11-11 1985-06-12 Kawasaki Heavy Ind Ltd 水平連続鋳造設備
GB8401976D0 (en) * 1984-01-25 1984-02-29 Imi Refiners Ltd Casting apparatus
DE3411769C2 (de) * 1984-03-30 1986-03-20 Mannesmann Ag, 4000 Duesseldorf Horizontalstranggießvorrichtung
JPH0796144B2 (ja) * 1990-03-16 1995-10-18 住友金属工業株式会社 水平式連続鋳造法における鋳込方法
DE4024520A1 (de) * 1990-08-02 1992-02-06 Didier Werke Ag Verbindung zwischen dem auslauf eines metallurgischen gefaesses und einem schutzrohr oder eintauchausguss
US5360054A (en) * 1991-10-11 1994-11-01 Kawasaki Jukogyo Kabushiki Kaisha Method and apparatus for performing horizontal continuous casting
DE4325432A1 (de) * 1993-07-29 1995-02-02 Abb Patent Gmbh Regelsystem für eine Waagerecht-Strangguß-Anlage mit einem als Druckkammer ausgebildeten Warmhaltegefäß

Also Published As

Publication number Publication date
EP0749789A1 (fr) 1996-12-27
BR9602847A (pt) 1999-08-03
US5873403A (en) 1999-02-23
JP3727415B2 (ja) 2005-12-14
DE59606864D1 (de) 2001-06-13
ATE200993T1 (de) 2001-05-15
JPH0910894A (ja) 1997-01-14
KR970000392A (ko) 1997-01-21
DE19523715C1 (de) 1996-10-10
TW330163B (en) 1998-04-21

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