EP0160635B1 - Verfahren und Vorrichtung zur Schmierung einer Stranggusskokille - Google Patents

Verfahren und Vorrichtung zur Schmierung einer Stranggusskokille Download PDF

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Publication number
EP0160635B1
EP0160635B1 EP85870056A EP85870056A EP0160635B1 EP 0160635 B1 EP0160635 B1 EP 0160635B1 EP 85870056 A EP85870056 A EP 85870056A EP 85870056 A EP85870056 A EP 85870056A EP 0160635 B1 EP0160635 B1 EP 0160635B1
Authority
EP
European Patent Office
Prior art keywords
lubricant
wall
mold
ingot mould
bar
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
Application number
EP85870056A
Other languages
English (en)
French (fr)
Other versions
EP0160635A3 (en
EP0160635A2 (de
Inventor
Marios Economopoulos
Raymond D'haeyer
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of EP0160635A2 publication Critical patent/EP0160635A2/de
Publication of EP0160635A3 publication Critical patent/EP0160635A3/fr
Application granted granted Critical
Publication of EP0160635B1 publication Critical patent/EP0160635B1/de
Expired 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
    • B22D11/07—Lubricating the moulds

Definitions

  • the present invention relates to a method for the lubrication of a mold for the continuous casting of metal, in particular steel.
  • the cast metal has a solidified skin of an already significant thickness, which implies cooling of this skin with respect to the molten metal; it follows that the wall of the mold, energetically cooled, is at a temperature much lower than the melting point of the powder. The internal face of this wall is thus covered with a layer of solidified powder, which is formed to the detriment of the film of lubricating agent and which consequently reduces its effectiveness.
  • the subject of the present invention is a method which makes it possible to remedy this drawback by ensuring additional lubrication, in particular in the region near the base of the mold for continuous casting.
  • EP-A 0 060 359 describes a method of lubrication of a continuous casting ingot mold in which at least one passage orifice is formed through the wall of the ingot mold and a lubricating agent through said orifice.
  • a method for the lubrication of a mold for the continuous casting of metal, in particular steel, in which at least one orifice is formed through the wall of said mold and into which one introduces a lubricating agent through said orifice is characterized in that said lubricating agent is introduced in the form of a rod made of a powder having a melting point below the temperature of the material located opposite said orifice and in which causes said lubricant to melt so that it spreads between the wall of said mold and the metal poured into said mold.
  • this material can either be the already solidified skin of the cast metal, or powder frozen on the internal face of the wall of the mold.
  • the bar of lubricating agent melts and lubricates the mold.
  • the melting of the lubricating bar leads to the melting of the frozen powder, the mixing of two molten powders and the resumption of lubrication of the ingot mold.
  • the said lubricant is subjected to preheating, and possibly to the start of melting, while it is in the said orifice for passage through the wall of the ingot mold.
  • the present invention also relates to a device making it possible to implement the method which has just been described.
  • the device of the invention comprising means for ensuring the interduction and the progression of a lubricating agent through the wall of said ingot mold, is characterized in that these means are constituted by orifices allowing the passage of the lubricating agent in the form of a bar and in that it also comprises means for thermal insulation of said lubricating agent with respect to the cooling system of the mold.
  • the term "wall of the mold” should be understood to mean all of the faces of this mold.
  • the device is also equipped with means for heating and / or for melting said lubricating agent.
  • said heating means and / or fusion advantageously consist of a Joule effect heating circuit.
  • the attached figure represents a device according to the invention, installed in the lower zone of a continuous casting mold.
  • the ingot mold 1 is provided with a water cooling circuit shown diagrammatically by the arrows 2 and 3, respectively for entering and leaving the water.
  • two ovens 4 provided with through holes 5 through which bars of lubricant 6 can enter the mold.
  • These ovens are provided with a Joule effect heating system by means of an electric current 1. They are separated from the cooling water by the watertight partitions 7; they are also lined with thermal insulation material 8, in order to avoid any untimely heating of the cooling water of the ingot mold 1.
  • a liquid metal for example molten steel is poured into this ingot mold , a solidified skin 10 is formed on the lateral surface of the ingot 9, the thickness of which increases in the direction of progression of the ingot.
  • the powder 11 deposited on the upper surface of the molten metal melts and, as a result of the oscillation of the ingot mold, flows between the walls of the ingot mold 1 and the skin 10 of the ingot.
  • the invention relates to an ingot mold for continuous casting of metal, in particular steel, preferably equipped in each face with at least one lubrication device as just described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Claims (7)

1. Verfahren zur Schmierung einer Stranggusskokille eines Metalls, insbesondere Stahls, worin mindestens eine Durchgangsöffnung durch die Wand besagter Kokille vorgesehen ist und ein Schmierstoff durch besagte Öffnung eingeführt wird, dadurch gekennzeichnet, dass man besagten Schmierstoff in Form einer Stange (6) aus einem Pulver mit einem niedrigeren Schmelzpunkt als der Temperatur des Materials (10, 13) gegenüber der besagten Öffnung (5) einführt und besagten Schmierstoff so schmelzen lässt, dass er sich zwischen der Wand der besagten Kokille (1) und dem Giessmetall (9) in dieser Kokille (1 ) ausbreitet.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass man eine Vorwärmung der besagten Schmierstoffstange (6) erfolgen lässt, während sie sich in besagter Durchgangsöffnung (5) durch die Wand jener Kokille (1) befindet.
3. Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass man beginnendes Schmelzen besagter Schmierstoffstange (6) erfolgen lässt, während sie sich in besagter Durchgangsöffnung (5) durch die Wand der Kokille (1) befindet.
4. Verfahren nach einem der Ansprüche 2 und 3, dadurch gekennzeichnet, dass man diese Vorwärmung und/oder dieses beginnende Schmelzen der Stange (6) mittels des Joule-Effekts bewirkt.
5. Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 4, mit Mitteln (5, 6) zur gesicherten Einführung und Vorwärtsbewegung eines Schmierstoffs durch die Wand einer Stranggusskokille (1), dadurch gekennzeichnet, dass diese Mittel (5) aus Öffnungen bestehen, die den Durchgang des Schmierstoffs in Form einer Stange (6) gestatten und dass die Vorrichtung ferner Mittel (8) zur Wärmeisolation des besagten Schmierstoffs (6) gegen das Kühlsystem (2, 3) der Kokille (1) enthält.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass sie ferner mit Mitteln (4) zum Aufheizen und/oder Schmelzen des besagten Schmierstoffs (6) ausgestattet ist.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die besagten Mittel (4) zum Aufheizen und/oder zum Schmelzen des besagten Schmierstoffs (6) aus einem Heizkreislauf mittels Joule-Effekt(I) bestehen.
EP85870056A 1984-04-27 1985-04-24 Verfahren und Vorrichtung zur Schmierung einer Stranggusskokille Expired EP0160635B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE647961 1984-04-27
BE6/47961A BE899544A (fr) 1984-04-27 1984-04-27 Procede et dispositif pour la lubrification d'une lingotiere de couleecontinue.

Publications (3)

Publication Number Publication Date
EP0160635A2 EP0160635A2 (de) 1985-11-06
EP0160635A3 EP0160635A3 (en) 1987-06-03
EP0160635B1 true EP0160635B1 (de) 1989-08-16

Family

ID=3874944

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85870056A Expired EP0160635B1 (de) 1984-04-27 1985-04-24 Verfahren und Vorrichtung zur Schmierung einer Stranggusskokille

Country Status (6)

Country Link
US (1) US4917171A (de)
EP (1) EP0160635B1 (de)
JP (1) JPS60247447A (de)
AT (1) ATE45520T1 (de)
BE (1) BE899544A (de)
DE (1) DE3572315D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271452A (en) * 1987-03-26 1993-12-21 Sms Concast Inc. Continuous casting method and apparatus
BE1000921A6 (fr) * 1987-09-25 1989-05-16 Centre Rech Metallurgique Procede de coulee continue d'un metal fondu.
JPH0347659A (ja) * 1989-07-14 1991-02-28 Sumitomo Metal Ind Ltd 連続鋳造用鋳型潤滑剤
FR2672524B1 (fr) * 1991-02-11 1993-05-28 Siderurgie Fse Inst Rech Lingotiere pour coulee continue de produits metalliques.
FR2734186B1 (fr) * 1995-05-17 1997-06-13 Unimetall Sa Procede de lubrification des parois d'une lingotiere de coulee continue des metaux et lingotiere pour sa mise en oeuvre
AU704066B2 (en) * 1997-02-17 1999-04-15 Nippon Steel & Sumitomo Metal Corporation Twin drum type continuous strip casting apparatus and continuous casting method for the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742771C (de) * 1940-06-15 1943-12-10 Ver Deutsche Metallwerke Ag Vorrichtung zum Schmieren des Gusskoerpers beim Stranggiessverfahren
GB703269A (en) * 1950-11-21 1954-02-03 Norman Philip Goss Continuous casting of metal
US2747244A (en) * 1953-07-15 1956-05-29 Norman P Goss Porous mold for the continuous casting of metals
US2825947A (en) * 1955-10-14 1958-03-11 Norman P Goss Method of continuous casting of metal
GB1176139A (en) * 1966-05-06 1970-01-01 Ashmore Benson Pease & Company Continuous Casting
JPS5519428A (en) * 1978-07-28 1980-02-12 Sumitomo Metal Ind Ltd Lubricating method in casting mold of horizontal continuous casting method
US4369832A (en) * 1979-10-15 1983-01-25 Olin Corporation Continuous lubrication casting molds
JPS56165544A (en) * 1980-05-01 1981-12-19 Nippon Steel Corp Method for continuous casting of steel
JPS5758960A (en) * 1980-09-27 1982-04-09 Kawasaki Steel Corp Continuous casting method for board thin-walled ingon
EP0060359A1 (de) * 1981-03-16 1982-09-22 Olin Corporation Kontinuierliche Schmierung von Giesskokillen

Also Published As

Publication number Publication date
JPS60247447A (ja) 1985-12-07
BE899544A (fr) 1984-08-16
US4917171A (en) 1990-04-17
ATE45520T1 (de) 1989-09-15
EP0160635A3 (en) 1987-06-03
EP0160635A2 (de) 1985-11-06
DE3572315D1 (en) 1989-09-21

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