EP0212248A2 - Installation de coulée continue verticale ou courbe pour la coulée de l'acier - Google Patents

Installation de coulée continue verticale ou courbe pour la coulée de l'acier Download PDF

Info

Publication number: EP0212248A2
Authority: EP; European Patent Office
Prior art keywords: vertical; inlet part; section; caster according; strips
Prior art date: 1985-08-09
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.): Granted

Application number

EP86109662A

Other languages

German (de)

English (en)

Other versions

EP0212248A3 (en

EP0212248B1 (fr

Inventor

Hans Otto Thörner

Jochen Vogels

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 Schloemann Siemag AG

Schloemann Siemag 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.)

1985-08-09

Filing date

1986-07-15

Publication date

1987-03-04

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6278145&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0212248(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1986-07-15 Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG

1986-07-15 Priority to AT86109662T priority Critical patent/ATE55294T1/de

1987-03-04 Publication of EP0212248A2 publication Critical patent/EP0212248A2/fr

1988-02-24 Publication of EP0212248A3 publication Critical patent/EP0212248A3/de

1990-08-08 Application granted granted Critical

1990-08-08 Publication of EP0212248B1 publication Critical patent/EP0212248B1/fr

2006-07-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910000831 Steel Inorganic materials 0.000 title claims description 7
239000010959 steel Substances 0.000 title claims description 7
238000009749 continuous casting Methods 0.000 title abstract description 9
239000011819 refractory material Substances 0.000 claims abstract description 3
239000000463 material Substances 0.000 claims description 14
238000005266 casting Methods 0.000 claims description 11
238000010438 heat treatment Methods 0.000 claims description 11
230000006698 induction Effects 0.000 claims description 6
239000000919 ceramic Substances 0.000 claims description 3
RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
239000000161 steel melt Substances 0.000 claims description 3
229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
238000001816 cooling Methods 0.000 abstract description 2
238000011144 upstream manufacturing Methods 0.000 abstract 4
239000002184 metal Substances 0.000 abstract 1
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 4
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
229910052802 copper Inorganic materials 0.000 description 3
239000010949 copper Substances 0.000 description 3
230000009970 fire resistant effect Effects 0.000 description 2
239000000155 melt Substances 0.000 description 2
239000000498 cooling water Substances 0.000 description 1
238000007710 freezing Methods 0.000 description 1
230000008014 freezing Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Images

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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0401—Moulds provided with a feed head
- 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
- B22D11/0408—Moulds for casting thin slabs

Definitions

the invention relates to a vertical or curved continuous casting plant for steel, the steel melt being passed from a pouring funnel through a heated inlet part made of refractory material into a cooled mold.
a funnel-shaped casting vessel is provided with a pouring tube which projects freely into the mold up to the bath level.
electrical heating resistors are built into the pouring tube.
Above the bath level there is a space that is sealed off from the outside, into which gas is introduced to keep the bath level constant and is released via a back pressure valve. (DE-AS 21 18 149).
This continuous caster with gas pressure-controlled casting level is complex.
the pouring tube protruding freely into the mold requires a minimum width of the mold opening so that very thin formats cannot be cast.
the arrangement of the heating coils in the pouring tube is costly and uneconomical in view of its wear.
a continuous casting device is already known, a casting vessel being constricted downwards in a funnel shape to form a pouring tube, the outer wall of which bears sealingly on the inner wall of the mold.
the melt completely fills the mold and the pouring tube.
the bath level is in the watering vessel.
the diameter of the pouring tube determines the required minimum width of the mold opening.
the object of the invention is to provide a cost-effective vertical or curved continuous casting system for steel, in which uncontrolled strand shells are avoided, so that the use of inlet parts with a small flow cross-section is possible without the risk of freezing.
the inlet part has a continuous cross section corresponding to the casting format and is connected from a first section A, which can be heated to the liquidus temperature of the steel, and a second, flush with the mold walls, and sealingly connected uncooled section B.
the inlet part advantageously consists of a high temperature-resistant and wear-resistant material such as zirconium oxide.
the inlet part can be formed from plates which are held by an outer support frame.
the heated section of the inlet part can be extended to the pouring funnel.
the walls in the first section have an outer constriction in which the heating device is arranged. Resistance heating can be provided as the heating device.
strips made of electrically conductive, high-temperature-resistant material can be arranged all around in the constriction region of the inlet part, to which induction heating is assigned.
strips of electrically conductive, high-temperature-resistant material are encircled in section A of the inlet part, which form part of the continuous surface and to which an induction heater is assigned on the outside.
the inductively heated strips can advantageously consist of metallic or metal-ceramic sintered materials.
the strips can be made of high-temperature, wear-resistant material, e.g. Zirconia coated.
a mold 1 for casting thin slabs and strips consists of two broad side walls 2, 3 and two narrow side walls 4, 5 which are provided with cooling channels 6.
the mold 1 is held in a frame 7, which serves to guide the cooling water.
the narrow side walls 4, 5 are adjustable by spindles 8 for changing the width of the casting format.
pouring funnel 9 which is supported on the mold frame 7 by a support frame 10.
each of the inlet parts 12, 13, 14 consists of a heatable section A which is connected to the pouring funnel 9 and a lower section B which is in contact with the top of the mold 1.
the inlet parts 12, 13, 14 are preferably formed from plates which are held in the support frame 10. As the figures show, the heatable section A of the inlet parts 12, 13, 14 can be designed in different ways.
section A of the inlet parts 12, 13 is provided with a constriction in which an electrical resistance heater 15 as shown on the left, or Strips 16 made of electrically conductive, fire-resistant material, for example metal-ceramic sintered materials, as shown on the right, are arranged.
the strips 16 are assigned coils 17 as induction heating at a close distance.
an inlet part 14 in the first section A is provided with an inner recess in which strips 18 made of electrically conductive, fire-resistant material are inserted.
the strips 18 are associated with induction coils 19 for heating on the outer wall of the inlet part.
the strips are made with a high temperature-resistant, wear-resistant material e.g. Zirconia coated.
the steel melt flowing from the pouring funnel 9 into the inlet part 12, 13, 14 with a narrow flow cross-section corresponding to the casting format is prevented from the formation of strand shells by the heating of the section A to liquidus temperature in this section.
the unheated and uncooled section B there is a decrease in heat from the liquidus temperature to the cooled copper mold 1. Therefore, the formation of the strand shell 23 begins only in section B of the inlet part 12, 13 or 14 and continues continuously within the mold 1.
the strand 20 is guided in a known manner through support rollers 21 and cooled by water spray nozzles 22.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Continuous Casting (AREA)
Treatment Of Steel In Its Molten State (AREA)
Coating With Molten Metal (AREA)
Rod-Shaped Construction Members (AREA)
Artificial Fish Reefs (AREA)

EP86109662A 1985-08-09 1986-07-15 Installation de coulée continue verticale ou courbe pour la coulée de l'acier Expired - Lifetime EP0212248B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT86109662T ATE55294T1 (de)	1985-08-09	1986-07-15	Vertikal- oder bogenstranggiessanlage fuer stahl.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3528649		1985-08-09
DE19853528649 DE3528649A1 (de)	1985-08-09	1985-08-09	Vertikal- oder bogenstranggiessanlage fuer stahl

Publications (3)

Publication Number	Publication Date
EP0212248A2 true EP0212248A2 (fr)	1987-03-04
EP0212248A3 EP0212248A3 (en)	1988-02-24
EP0212248B1 EP0212248B1 (fr)	1990-08-08

Family

ID=6278145

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86109662A Expired - Lifetime EP0212248B1 (fr)	1985-08-09	1986-07-15	Installation de coulée continue verticale ou courbe pour la coulée de l'acier

Country Status (7)

Country	Link
US (1)	US4719961A (fr)
EP (1)	EP0212248B1 (fr)
JP (1)	JPS6234651A (fr)
AT (1)	ATE55294T1 (fr)
CA (1)	CA1277120C (fr)
DE (2)	DE3528649A1 (fr)
ES (1)	ES8706495A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5095970A (en) *	1989-06-28	1992-03-17	Wieland-Werke A.G.	Continuous-casting mold for vertically casting metal strip
EP0800880A2 (fr) *	1996-04-18	1997-10-15	Ishikawajima-Harima Heavy Industries Co., Ltd.	Procédé et dispositif pour la coulée de bandes métalliques
WO1997037794A1 (fr) *	1996-04-05	1997-10-16	Ugine Savoie	Procede de coulee continue des metaux et lingotiere pour sa mise en oeuvre
FR2765818A1 (fr) *	1997-07-09	1999-01-15	Electrothermie Ind Comp Franc	Dispositif de coulee continue

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3709188A1 (de) *	1987-03-20	1988-09-29	Mannesmann Ag	Ausgiessrohr fuer metallurgische gefaesse
IT1228473B (it) *	1989-01-17	1991-06-19	Innocenti Santeustacchio Spa	Metodo di alimentazione di una lingottiera in un impianto di colata continua e complesso di lingottiera per l'attuazione del metodo.
IT1252990B (it) *	1991-10-31	1995-07-10	Danieli Off Mecc	Cristallizzatore per lingottiera con curvatura longitudinale per colata continua curva per bramme sottili
US5725046A (en) *	1994-09-20	1998-03-10	Aluminum Company Of America	Vertical bar caster
DE102010007812B4 (de)	2010-02-11	2017-04-20	Ksm Castings Group Gmbh	Verfahren und Vorrichtung zur Herstellung von Kraftfahrzeug-Fahrwerksteilen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE532569A (fr) *
US2136394A (en) *	1935-06-29	1938-11-15	Frank F Poland	Casting metal
FR1354818A (fr) *	1962-10-16	1964-03-13	Loire Atel Forges	Perfectionnements à l'alimentation directe des lingotières pour la coulée continue des métaux
JPS6021170A (ja) *	1983-07-15	1985-02-02	Nisshin Steel Co Ltd	連続鋳造用ノズル

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US443536A (en) *		1890-12-30		Art and means for covering and insulating wire
NL289045A (fr) *	1956-05-04
US2962277A (en) *	1958-05-15	1960-11-29	Gen Electric	Apparatus for continuous process of steel making
US3073441A (en) *	1960-05-11	1963-01-15	Pirelli	Apparatus for hot-sheathing electric cables with tubular metal sheaths
LU60743A1 (fr) *	1970-04-16	1972-03-02
US3941182A (en) *	1971-10-29	1976-03-02	Johan Bjorksten	Continuous process for preparing unidirectionally reinforced metal foam
JPS5441987A (en) *	1977-09-09	1979-04-03	Nippon Oil & Fats Co Ltd	Curing of vinyl ester resin
US4135030A (en) *	1977-12-23	1979-01-16	United Technologies Corporation	Tungsten impregnated casting mold

1985
- 1985-08-09 DE DE19853528649 patent/DE3528649A1/de not_active Withdrawn
1986
- 1986-06-24 ES ES556520A patent/ES8706495A1/es not_active Expired
- 1986-07-15 AT AT86109662T patent/ATE55294T1/de not_active IP Right Cessation
- 1986-07-15 DE DE8686109662T patent/DE3673283D1/de not_active Expired - Lifetime
- 1986-07-15 EP EP86109662A patent/EP0212248B1/fr not_active Expired - Lifetime
- 1986-08-04 US US06/892,984 patent/US4719961A/en not_active Expired - Fee Related
- 1986-08-07 JP JP61184352A patent/JPS6234651A/ja active Pending
- 1986-08-11 CA CA000515658A patent/CA1277120C/fr not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE532569A (fr) *
US2136394A (en) *	1935-06-29	1938-11-15	Frank F Poland	Casting metal
FR1354818A (fr) *	1962-10-16	1964-03-13	Loire Atel Forges	Perfectionnements à l'alimentation directe des lingotières pour la coulée continue des métaux
JPS6021170A (ja) *	1983-07-15	1985-02-02	Nisshin Steel Co Ltd	連続鋳造用ノズル

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 142 (M-388) [1865], 18. Juni 1985 & JP-A-60 021170 (NITSUSHIN SEIKOU K.K.) 02.02.1985 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5095970A (en) *	1989-06-28	1992-03-17	Wieland-Werke A.G.	Continuous-casting mold for vertically casting metal strip
WO1997037794A1 (fr) *	1996-04-05	1997-10-16	Ugine Savoie	Procede de coulee continue des metaux et lingotiere pour sa mise en oeuvre
EP0800880A2 (fr) *	1996-04-18	1997-10-15	Ishikawajima-Harima Heavy Industries Co., Ltd.	Procédé et dispositif pour la coulée de bandes métalliques
EP0800880A3 (fr) *	1996-04-18	1998-12-30	Ishikawajima-Harima Heavy Industries Co., Ltd.	Procédé et dispositif pour la coulée de bandes métalliques
FR2765818A1 (fr) *	1997-07-09	1999-01-15	Electrothermie Ind Comp Franc	Dispositif de coulee continue
EP0891827A1 (fr) *	1997-07-09	1999-01-20	Compagnie Française d' Electrothermie Industrielle	Dispositif de coulée continue

Also Published As

Publication number	Publication date
DE3528649A1 (de)	1987-02-19
CA1277120C (fr)	1990-12-04
DE3673283D1 (de)	1990-09-13
EP0212248A3 (en)	1988-02-24
ES8706495A1 (es)	1987-07-16
ATE55294T1 (de)	1990-08-15
ES556520A0 (es)	1987-07-16
JPS6234651A (ja)	1987-02-14
US4719961A (en)	1988-01-19
EP0212248B1 (fr)	1990-08-08

Legal Events

Date	Code	Title	Description
1987-01-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-03-04	17P	Request for examination filed	Effective date: 19860723
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1990-10-31	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1990-10-31	ITF	It: translation for a ep patent filed	Owner name: STUDIO JAUMANN
1990-11-30	ET	Fr: translation filed
1991-05-08	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1991-06-26	26	Opposition filed	Opponent name: VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT M.B. Effective date: 19910506
1991-07-31	ITTA	It: last paid annual fee
1991-08-16	NLR1	Nl: opposition has been filed with the epo	Opponent name: VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT M.B.
1992-01-30	PLAB	Opposition data, opponent's data or that of the opponent's representative modified	Free format text: ORIGINAL CODE: 0009299OPPO
1992-03-18	R26	Opposition filed (corrected)	Opponent name: VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT M.B. Effective date: 19910506
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1992-10-28	EPTA	Lu: last paid annual fee
1993-05-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19930521 Year of fee payment: 8
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1994-01-31	BERE	Be: lapsed	Owner name: SMS SCHLOEMANN-SIEMAG A.G. Effective date: 19930731
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1994-04-25	PLBN	Opposition rejected	Free format text: ORIGINAL CODE: 0009273
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