EP1465743B1 - Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee - Google Patents

Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee Download PDF

Info

Publication number
EP1465743B1
EP1465743B1 EP03731658A EP03731658A EP1465743B1 EP 1465743 B1 EP1465743 B1 EP 1465743B1 EP 03731658 A EP03731658 A EP 03731658A EP 03731658 A EP03731658 A EP 03731658A EP 1465743 B1 EP1465743 B1 EP 1465743B1
Authority
EP
European Patent Office
Prior art keywords
section
cross
immersion nozzle
semiaxis
nozzle according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03731658A
Other languages
German (de)
English (en)
Other versions
EP1465743A1 (fr
Inventor
Ina Lemanowicz
Hans Streubel
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
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1465743A1 publication Critical patent/EP1465743A1/fr
Application granted granted Critical
Publication of EP1465743B1 publication Critical patent/EP1465743B1/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
    • B22D41/50—Pouring-nozzles

Definitions

  • the invention relates to a submersible nozzle for a casting device upstream metallurgical vessel in which a slit-shaped pouring opening is provided, which is a multiple greater length than Has width.
  • Casting device is understood here as meaning, for example, a continuous casting mold, but also a Bandg cordaniage, like a Twinrolter.
  • a diving nozzle of the type mentioned is known from WO 98/53938
  • This immersion nozzle has a cylindrical shape with a circular, oval or bone-shaped cross-sectional shape.
  • the outlet opening is slot-shaped and extends continuously at the bottom and in the side wall of the cylindrical part of the immersion nozzle.
  • the invention is therefore based on the object, the immersion nozzle of the above mentioned type to improve so that even with larger slab widths improved flow profile occurs
  • a slot-shaped pouring opening is provided, which is a multiple greater length has width, in that its cross-section is in the direction of the Mouth from a circular inlet cross section to a mouth cross section extended, one half of the axis smaller and the other, perpendicular to it standing, semi-axis larger than the semi-axis of the circular inlet cross-section is and the bottom shape of the rotational body of an ellipse or an oval Mouth cross-section around the larger half-axis corresponds and that the slit-like outlet opening extends in the direction of the larger semiaxis.
  • the orifice cross section may have the shape of an ellipse, but it is also possible that the orifice cross section has the shape of a combination of a circular cross section with an ellipse-like cross section.
  • the bottom of the mouth cross-section extends arcuately in the direction of the smaller half-axis, or alternatively in the direction of the larger half-axis.
  • the transition from the circular cross section to the expanded cross section of the Immersion nozzle may be formed as a function of first or nth degree.
  • the slot-shaped pouring opening extends over the length of the entire floor area.
  • the shape of the slot-shaped pouring opening may correspond to that of a rectangle.
  • the width of the pouring opening of the Increase center outwards.
  • the inventive funnel-shaped extension of the immersion nozzle of a round cross-sectional shape changes the flow conditions within the immersion nozzle and outside, causing a broadening of the flow in the casting direction and a stronger one Return flow outside of the immersion nozzle comes, in turn, by a greater heat input to an improved melting of the on the Bath level located casting powder leads.
  • the flow conditions are also significantly affected by the bottom shape influenced, namely the inner shape and the outer shape, wherein in the present Description assumes that each of the inner and outer Floor shape is substantially the same.
  • the longitudinal cross section - expands the cross section of the immersion nozzle 1 in the casting direction (arrow) of the round cross-section to an elliptical cross-section, wherein the funnel-shaped formation is such that the Extension of the smaller half-axis of the ellipsoid is smaller than that of the one (corresponding) axis of the round upper inlet cross-section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
  • Discharge Heating (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Claims (11)

  1. Busette de coulée à immersion pour un récipient métallurgique situé en amont d'un dispositif de coulée, en particulier d'une coquille de coulée continue ou d'un système à rouleaux duplex, dans laquelle il est prévu, dans la zone de fond, une ouverture de coulée (2) en forme de fente, laquelle possède une longueur plusieurs fois supérieure à la largeur,
    caractérisée en ce que sa section transversale s'élargit dans la direction de son embouchure d'une section transversale d'entrée vers une section transversale d'embouchure, dont un demi-axe est plus petit et l'autre demi-axe, perpendiculaire au premier, est plus grand que le demi-axe de la section transversale d'entrée circulaire et dont la forme du fond du corps de rotation correspond à une ellipse ou à une section transversale d'embouchure ovale autour du demi-axe le plus grand, et en ce que l'ouverture de sortie en forme de fente s'étend dans la direction du demi-axe le plus grand.
  2. Busette de coulée à immersion selon la revendication 1,
    caractérisée en ce que la section transversale d'embouchure présente la forme d'une ellipse.
  3. Busette de coulée à immersion selon la revendication 1,
    caractérisée en ce que la section transversale d'embouchure présente la forme d'une combinaison entre une section transversale circulaire et une section transversale semblable à une ellipse.
  4. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que le fond de la section transversale d'embouchure s'étend en forme d'arc dans la direction du demi-axe le plus petit.
  5. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que le fond de la section transversale d'embouchure s'étend en forme d'arc dans la direction du demi-axe le plus grand.
  6. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que la transition entre la section transversale circulaire et la section transversale élargie est réalisée en tant que fonction du premier degré.
  7. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que la transition entre la section transversale circulaire et la section transversale élargie est réalisée en tant que fonction du nième degré.
  8. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que l'ouverture de coulée (2) en forme de fente s'étend sur la longueur de l'ensemble de la zone de fond.
  9. Busette de coulée à immersion selon la revendication 8,
    caractérisée en ce que l'ouverture de coulée (2) en forme de fente s'étend dans la paroi latérale.
  10. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que la forme de l'ouverture de coulée (2) en forme de fente correspond à un rectangle.
  11. Busette de coulée à immersion selon l'une des revendications précédentes,
    caractérisée en ce que la largeur de l'ouverture de coulée augmente depuis le milieu vers l'extérieur.
EP03731658A 2002-01-23 2003-01-22 Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee Expired - Lifetime EP1465743B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10203594 2002-01-23
DE10203594A DE10203594C1 (de) 2002-01-23 2002-01-23 Tauchausguss für ein einer Gießeinrichtung vorgeschaltetes metallurgisches Gefäß
PCT/DE2003/000186 WO2003061880A1 (fr) 2002-01-23 2003-01-22 Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee

Publications (2)

Publication Number Publication Date
EP1465743A1 EP1465743A1 (fr) 2004-10-13
EP1465743B1 true EP1465743B1 (fr) 2005-04-06

Family

ID=7713396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03731658A Expired - Lifetime EP1465743B1 (fr) 2002-01-23 2003-01-22 Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee

Country Status (7)

Country Link
US (1) US7077343B2 (fr)
EP (1) EP1465743B1 (fr)
CN (1) CN1287934C (fr)
AT (1) ATE292535T1 (fr)
DE (2) DE10203594C1 (fr)
RU (1) RU2309815C2 (fr)
WO (1) WO2003061880A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2769786B1 (fr) * 2013-02-25 2017-04-19 Refractory Intellectual Property GmbH & Co. KG Buse d'entrée submergée
RU2530406C1 (ru) * 2013-11-06 2014-10-10 Олег Савельевич Кочетов Форсунка
RU2554335C1 (ru) * 2014-10-03 2015-06-27 Олег Савельевич Кочетов Вихревая форсунка
RU2656567C2 (ru) * 2015-06-30 2018-06-05 Анна Михайловна Стареева Вихревая форсунка
CN110666148B (zh) * 2019-11-21 2025-05-09 唐山钢铁集团有限责任公司 一种ftsc薄板坯连铸高通量浸入式水口
JP7678320B2 (ja) * 2021-10-12 2025-05-16 日本製鉄株式会社 双ロール式連続鋳造装置用注湯ノズル、双ロール式連続鋳造装置、および、薄肉鋳片の製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1033195A (en) * 1911-09-29 1912-07-23 Hanson Robinson Flushing-nozzle.
US1133711A (en) * 1913-03-20 1915-03-30 Benjamin L Cornelius Oil-burner tip.
US1599411A (en) * 1924-06-20 1926-09-14 John J Gilsenan Nozzle
US5205343A (en) * 1989-06-03 1993-04-27 Sms Schloemann-Siemag Aktiengesellschaft Pouring tube for feeding molten steel into a continuous casting mold
DE3918228C2 (de) * 1989-06-03 1996-11-07 Schloemann Siemag Ag Tauchgießrohr zum Einleiten von Stahlschmelze in eine Stranggießkokille
SU1754323A1 (ru) * 1990-06-28 1992-08-15 Советско-Нидерландское Совместное Предприятие "Информаркет" Погружной глуходонный огнеупорный стакан
DE4032624A1 (de) * 1990-10-15 1992-04-16 Schloemann Siemag Ag Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille
DE4142447C3 (de) * 1991-06-21 1999-09-09 Mannesmann Ag Tauchgießrohr - Dünnbramme
US5944261A (en) * 1994-04-25 1999-08-31 Vesuvius Crucible Company Casting nozzle with multi-stage flow division
IT1267299B1 (it) * 1994-09-30 1997-01-28 Danieli Off Mecc Scaricatore per cristallizzatore per colata continua di bramme sottili
FR2740367B1 (fr) * 1995-10-30 1997-11-28 Usinor Sacilor Busette pour l'introduction d'un metal liquide dans une lingotiere de coulee continue de produits metalliques, dont le fond comporte des orifices
JP3096635B2 (ja) * 1996-03-29 2000-10-10 住友金属工業株式会社 偏平状の連続鋳造用ノズル
IT1284035B1 (it) * 1996-06-19 1998-05-08 Giovanni Arvedi Tuffante per la colata continua di bramme sottili
DE19715826A1 (de) 1997-04-16 1998-10-22 Schloemann Siemag Ag Tauchgießrohr für eine Dünnbrammen- bzw. Stahlbandgießkokille
DE19722890A1 (de) * 1997-05-28 1998-12-03 Mannesmann Ag Tauchausguß
US6467704B2 (en) * 2000-11-30 2002-10-22 Foseco International Limited Nozzle for guiding molten metal

Also Published As

Publication number Publication date
ATE292535T1 (de) 2005-04-15
US7077343B2 (en) 2006-07-18
CN1287934C (zh) 2006-12-06
DE10203594C1 (de) 2003-05-15
RU2309815C2 (ru) 2007-11-10
EP1465743A1 (fr) 2004-10-13
DE50300429D1 (de) 2005-05-12
RU2004125598A (ru) 2005-07-20
US20050082399A1 (en) 2005-04-21
WO2003061880A1 (fr) 2003-07-31
CN1610589A (zh) 2005-04-27

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