EP0083745B1 - Verlängerte Ausgussdüse für Zwischenbehälter - Google Patents

Verlängerte Ausgussdüse für Zwischenbehälter Download PDF

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Publication number
EP0083745B1
EP0083745B1 EP82111469A EP82111469A EP0083745B1 EP 0083745 B1 EP0083745 B1 EP 0083745B1 EP 82111469 A EP82111469 A EP 82111469A EP 82111469 A EP82111469 A EP 82111469A EP 0083745 B1 EP0083745 B1 EP 0083745B1
Authority
EP
European Patent Office
Prior art keywords
outlet nozzle
breaking point
predetermined breaking
tundish
pouring nozzle
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
EP82111469A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0083745A1 (de
Inventor
Günter Dr.-Ing. Altland
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.)
ANNEMARIE ALTLAND TE MENDEN, BONDSREPUBLIEK DUITSL
Original Assignee
Altland Annemarie
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6149827&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0083745(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Altland Annemarie filed Critical Altland Annemarie
Priority to AT82111469T priority Critical patent/ATE13496T1/de
Publication of EP0083745A1 publication Critical patent/EP0083745A1/de
Application granted granted Critical
Publication of EP0083745B1 publication Critical patent/EP0083745B1/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
    • 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
    • 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
    • B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring

Definitions

  • the invention relates to an extended pouring nozzle for intermediate containers in continuous casting plants, which consists of refractory material and which extends into the intermediate container.
  • a pouring nozzle with these features is known from DE-A-2 626 986, in which the extension piece extending into the intermediate container is designed as a usable pipe socket. In this way it is to be ensured that a thin, solid metal skin forms away from the pouring opening during the casting process, by means of which refractory impurities or slag residues are to be retained, which may otherwise occur. This could immediately lead to the spout freezing or "blocking".
  • the pipe socket Since the pipe socket is to be used up at least partially during use, and in practice this consumption depends on the factors of time and temperature acting on the pipe socket in the intermediate container, the degree of emptying of the intermediate container no longer remains directly controllable or can be influenced and is therefore possible more or less by chance, which strongly contradicts the economic principle of continuous casting.
  • the pipe socket due to its material shrinkage due to its consumption, the pipe socket represents a potential slag generator, the pollutants of which enter the strand in finely divided form and thus adversely affect the casting quality.
  • the invention has for its object to provide a pouring nozzle of the generic type, which ensures a largely trouble-free and time-controllable pouring phase during continuous casting.
  • the object is achieved in that a predetermined breaking point is provided on the pouring nozzle at the level of the bottom of the intermediate container and that the pouring nozzle has two parts adjacent to the predetermined breaking point, of which the upper part rises in the metal band after the predetermined breaking point has been destroyed (cut off) and into the bath slag is swimming.
  • the start of watering can be precisely controlled in time.
  • the melt can flow away completely and unhindered.
  • the separated extension piece of the pouring nozzle remains unreacted in the bath slag after rising.
  • the separation can be carried out in a simple manner either by means of an iron rod or with a tightly wound cardboard tube of sufficient length through the plug cover hole, or also through an opening in the side wall of the intermediate container by light impact.
  • an increase in the casting performance can be achieved not only in conventional systems, but in particular also in so-called multi-strand systems in which, as is known, twin and / or triple molds are combined to form a block.
  • the continuous casting molds combined in the respective lifting tables can oscillate together from the start of casting, and the strands can also be pulled off together, since the continuous casting molds can be supplied with the same amount of metal almost synchronously and without interference.
  • the pouring nozzle can consist of two parts, the predetermined breaking point being formed between the two parts by a refractory binder, the heat resistance of which is in the range of the liquidus temperature of the melt to be poured.
  • the pouring nozzle can also be expediently formed in one piece.
  • Fig. 1 a part of a continuous caster of conventional design is shown, in which a ladle 11 with a melt 10 made of steel and an intermediate container 12 is provided.
  • a water-cooled continuous casting mold 16 is provided underneath the base spout 13, with an extended pouring nozzle 14 and slide 15.
  • the extended pouring nozzle 14 which consists of a high alumina, refractory material, is composed of a lower part 17 and an upper part 18, which are preferably formed in one piece (Fig. 2).
  • a predetermined breaking point in the form of a notch-shaped crusher ring 19 is formed at the transition point of the two parts 17, 18.
  • the length of the lower part 17 of the pouring nozzle 14 corresponds essentially to that of a conventional pouring nozzle, one end of which protrudes about 20 to 30 mm above the bottom of the intermediate container in the installed state.
  • the total length of the pouring nozzle 14, which is extended in this way, depends on the desired bath level, although in practice a length of approximately 200 mm should be sufficient for the upper part 18.
  • Fig. 3 shows a further embodiment of an extended pouring nozzle 20, which, however, is formed in two parts in contrast to the previously described.
  • the lower part 21 and the upper part 22 are connected to each other by a fire-resistant binder 23, which in turn forms a predetermined breaking point between the two parts and whose heat resistance lies in the range of the liquidus temperature of the melt to be cast. It is important that the predetermined breaking point is as possible then triggers when the desired bath level in the intermediate container is reached.
  • a higher heat resistance of the binder used ensures a longer residence time of the melt before casting in the distributor, so that undesired metal companions can rise into the slag zone.
  • Hot glue or other suitable carbon-containing burn-out materials can be used as the material for the binder, which automatically release the upper part 22 when the predetermined temperature is reached.
  • a comparably good effect can also be achieved with the help of substances that expand due to their thermal properties during a fire and thus repel the upper extension piece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
EP82111469A 1981-12-24 1982-12-10 Verlängerte Ausgussdüse für Zwischenbehälter Expired EP0083745B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82111469T ATE13496T1 (de) 1981-12-24 1982-12-10 Verlaengerte ausgussduese fuer zwischenbehaelter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3151533A DE3151533C2 (de) 1981-12-24 1981-12-24 Verlängerte Ausgußdüse für Zwischenbehälter
DE3151533 1981-12-24

Publications (2)

Publication Number Publication Date
EP0083745A1 EP0083745A1 (de) 1983-07-20
EP0083745B1 true EP0083745B1 (de) 1985-05-29

Family

ID=6149827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111469A Expired EP0083745B1 (de) 1981-12-24 1982-12-10 Verlängerte Ausgussdüse für Zwischenbehälter

Country Status (9)

Country Link
US (1) US4479594A (pt)
EP (1) EP0083745B1 (pt)
JP (1) JPS5944141B2 (pt)
KR (1) KR840002672A (pt)
AT (1) ATE13496T1 (pt)
BR (1) BR8207485A (pt)
DE (1) DE3151533C2 (pt)
ES (1) ES8503538A1 (pt)
ZA (1) ZA829021B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60127057A (ja) * 1983-12-12 1985-07-06 Tanaka Denshi Kogyo Kk 連続鋳造装置
DE3701701A1 (de) * 1987-01-22 1988-08-04 Didier Werke Ag Startrohr fuer ein schmelzengefaess
DE3922549A1 (de) * 1989-07-08 1991-01-10 Metacon Ag Vorrichtung zum schlackenfreien angiessen von stranggiessanlagen
FR2679162A1 (fr) * 1991-07-18 1993-01-22 Siderurgie Fse Inst Rech Dispositif de transfert par jet de metal liquide, notamment d'une poche de coulee continue vers un repartiteur.
US7418993B2 (en) * 1998-11-20 2008-09-02 Rolls-Royce Corporation Method and apparatus for production of a cast component
US6932145B2 (en) 1998-11-20 2005-08-23 Rolls-Royce Corporation Method and apparatus for production of a cast component
KR101304620B1 (ko) * 2010-12-28 2013-09-05 재단법인 포항산업과학연구원 연속 주조 장치의 노즐

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770856A (en) 1952-12-04 1956-11-20 Adam W Becker Crucible and stopper therefor
DE2626986A1 (de) 1975-06-17 1977-01-13 Foseco Trading Ag Zwischenbehaelter
DE2653213A1 (de) 1976-10-14 1978-04-20 Daussan Et Compagnie S A Vorrichtung zur vorwaermung von mit verschlussgliedern versehenen zwischenkannen
JPS54155913A (en) 1978-05-29 1979-12-08 Pechiney Aluminium Device to electrically connect sequence of high density electrolytic cells

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921808A1 (de) * 1969-04-29 1970-11-12 Schloemann Ag Verfahren und Vorrichtung zur Regelung des Zuflusses der Metallschmelze zu Stranggiesskokillen
US4165026A (en) * 1971-12-07 1979-08-21 Foseco Trading A.G. Tundish with expendable lining and easily removable nozzle
GB1469513A (en) * 1973-07-30 1977-04-06 Foseco Trading Ag Tundishes
DE2852011A1 (de) * 1978-12-01 1980-06-12 Contherm Ind Und Huettenbedarf Zwischenbehaelter, insbesondere fuer eine stranggussanlage
GB2091399B (en) * 1981-01-20 1984-02-22 British Steel Corp Tundish pouring apparatus and method of use

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770856A (en) 1952-12-04 1956-11-20 Adam W Becker Crucible and stopper therefor
DE2626986A1 (de) 1975-06-17 1977-01-13 Foseco Trading Ag Zwischenbehaelter
DE2653213A1 (de) 1976-10-14 1978-04-20 Daussan Et Compagnie S A Vorrichtung zur vorwaermung von mit verschlussgliedern versehenen zwischenkannen
JPS54155913A (en) 1978-05-29 1979-12-08 Pechiney Aluminium Device to electrically connect sequence of high density electrolytic cells

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Feuerfeste Stoffe im Stranggießbereich, Vorträge, gehalten bei der Europäischen Tagung über feuerfeste Stoffe im Stranggießbereich", GEMEINSCHAFTSAUSSCHUSS FEUERFESTE STOFFE DES VEREINS DEUTSCHE R EISENHÜTT- ENLEUTE, 10 March 1982 (1982-03-10), Düsseldorf, pages 161 ff., XP055278588
"METACON automatisiert den Gießvorgang beim Strang- gießen", METACON-PROSPEKT, 1978
HERR ROLF W. VOSS ET AL.: "Offenkundige Vorbenutzung durch Gießversuche mit dem METACON-Schieber- verschluß C 51", WERK RUHRORT DER AUGUST THYSSEN-HÜTTE (HEUTE: THYSSEN AG, Düsseldorf
HERRN DR. ING. GÜNTER, ALTLAND IN DEM BRIEF AN DIE METACON AG, 30 November 1981 (1981-11-30)

Also Published As

Publication number Publication date
ATE13496T1 (de) 1985-06-15
JPS5944141B2 (ja) 1984-10-26
JPS58132358A (ja) 1983-08-06
EP0083745A1 (de) 1983-07-20
ES517960A0 (es) 1985-03-16
DE3151533A1 (de) 1983-07-14
ES8503538A1 (es) 1985-03-16
BR8207485A (pt) 1983-10-18
KR840002672A (ko) 1984-07-16
US4479594A (en) 1984-10-30
DE3151533C2 (de) 1983-11-24
ZA829021B (en) 1983-09-28

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