EP0092126B1 - Verfahren zum Umrühren der nicht erstarrten Bereiche in einem Giessstrang - Google Patents

Verfahren zum Umrühren der nicht erstarrten Bereiche in einem Giessstrang Download PDF

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Publication number
EP0092126B1
EP0092126B1 EP83103466A EP83103466A EP0092126B1 EP 0092126 B1 EP0092126 B1 EP 0092126B1 EP 83103466 A EP83103466 A EP 83103466A EP 83103466 A EP83103466 A EP 83103466A EP 0092126 B1 EP0092126 B1 EP 0092126B1
Authority
EP
European Patent Office
Prior art keywords
mold
melt
pouring
magnetic field
pouring stream
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
EP83103466A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0092126A1 (de
Inventor
Sten Dipl. Ing. Kollberg
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Publication of EP0092126A1 publication Critical patent/EP0092126A1/de
Application granted granted Critical
Publication of EP0092126B1 publication Critical patent/EP0092126B1/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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields

Definitions

  • the invention relates to a method for stirring the non-solidified areas in a casting strand according to the preamble of the claim. Such a method is known from EP-A-0 040 383.
  • the invention has for its object to modify the above-mentioned method in such a way that the last-mentioned areas of the melt are stirred at the same time.
  • the arrangement of the magnetic field according to the invention ensures that the areas in the upper part of the mold which are not stirred by the mechanical force of the pouring jet itself are stirred by the use of electromagnetic forces. In this way you get a cast (slabs, billets or blooms) with a significantly increased surface quality.
  • a voltage E d ⁇ / dt is induced according to the law of induction, where ⁇ is the magnetic flux and d4) / dt is the temporal differential quotient of the flux.
  • Figures 1 and 3 show the creation of the forces and movements.
  • the voltage E induced by the magnetic field B and the direction of movement v of the penetrating melt is proportional to the vectorial product [vx B], the vector of the induced voltage coming out of the plane of the drawing.
  • the currents i in FIG. 1 flow out of the drawing plane in the middle and into the drawing plane on the sides, as can be seen more clearly from the cross section according to FIG. 3.
  • forces F 2 which are proportional to the vectorial product ⁇ x B] and which in FIG. 3 run into the plane of the drawing, that is to say in the opposite direction to the braking force F 1 (see FIG.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
EP83103466A 1982-04-19 1983-04-09 Verfahren zum Umrühren der nicht erstarrten Bereiche in einem Giessstrang Expired EP0092126B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202431 1982-04-19
SE8202431A SE8202431L (sv) 1982-04-19 1982-04-19 Omroring i gjutstreng

Publications (2)

Publication Number Publication Date
EP0092126A1 EP0092126A1 (de) 1983-10-26
EP0092126B1 true EP0092126B1 (de) 1986-03-26

Family

ID=20346562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83103466A Expired EP0092126B1 (de) 1982-04-19 1983-04-09 Verfahren zum Umrühren der nicht erstarrten Bereiche in einem Giessstrang

Country Status (6)

Country Link
EP (1) EP0092126B1 (enrdf_load_stackoverflow)
JP (1) JPS58188555A (enrdf_load_stackoverflow)
BR (1) BR8301965A (enrdf_load_stackoverflow)
DE (1) DE3362650D1 (enrdf_load_stackoverflow)
ES (1) ES8503263A1 (enrdf_load_stackoverflow)
SE (1) SE8202431L (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664890B1 (fr) * 1990-07-20 1992-09-18 Alsthom Gec Procede de realisation d'une liaison a hautes performances entre un metal et une piece massive en ceramique supraconductrice.
US5246060A (en) * 1991-11-13 1993-09-21 Aluminum Company Of America Process for ingot casting employing a magnetic field for reducing macrosegregation and associated apparatus and ingot
SE501322C2 (sv) * 1993-01-19 1995-01-16 Asea Brown Boveri Anordning vid stränggjutning i kokill
EP0832704A1 (en) * 1996-09-19 1998-04-01 Hoogovens Staal B.V. Continuous casting machine
DE102014105870B4 (de) 2014-04-25 2024-10-10 Thyssenkrupp Ag Verfahren und Vorrichtung zum Dünnbrammen-Stranggießen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010041A1 (fr) * 1978-10-05 1980-04-16 INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE (IRSID) France Procédé de coulée continue des métaux avec brassage dans la zone du refroidissement secondaire
EP0028369A1 (de) * 1979-11-06 1981-05-13 Siemens Aktiengesellschaft Einrichtung zum Umrühren von metallischen Schmelzen in Stranggiessanlagen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413153A1 (fr) * 1978-01-02 1979-07-27 Siderurgie Fse Inst Rech Procede de coulee continue magnetorotative avec busette immergee et laitier de couverture
SE410284B (sv) * 1978-02-10 1979-10-08 Asea Ab Forfaringssett for omrorning av metalliska smelta samt anordning for genomforande av detta forfaringssett
SE440491B (sv) * 1978-11-09 1985-08-05 Asea Ab Forfaringssett for omrorning av de icke-stelnade partierna av en gjutstreng
SE436251B (sv) * 1980-05-19 1984-11-26 Asea Ab Sett och anordning for omrorning av de icke stelnade partierna av en gjutstreng

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010041A1 (fr) * 1978-10-05 1980-04-16 INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE (IRSID) France Procédé de coulée continue des métaux avec brassage dans la zone du refroidissement secondaire
EP0028369A1 (de) * 1979-11-06 1981-05-13 Siemens Aktiengesellschaft Einrichtung zum Umrühren von metallischen Schmelzen in Stranggiessanlagen

Also Published As

Publication number Publication date
BR8301965A (pt) 1983-12-20
EP0092126A1 (de) 1983-10-26
SE8202431L (sv) 1983-10-20
JPH0338018B2 (enrdf_load_stackoverflow) 1991-06-07
DE3362650D1 (en) 1986-04-30
JPS58188555A (ja) 1983-11-04
ES521581A0 (es) 1985-02-16
ES8503263A1 (es) 1985-02-16

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