EP0834363B1 - Stranggiessanlage zur Herstellung eines Vielkant- oder Profil-Formats - Google Patents
Stranggiessanlage zur Herstellung eines Vielkant- oder Profil-Formats Download PDFInfo
- Publication number
- EP0834363B1 EP0834363B1 EP97116323A EP97116323A EP0834363B1 EP 0834363 B1 EP0834363 B1 EP 0834363B1 EP 97116323 A EP97116323 A EP 97116323A EP 97116323 A EP97116323 A EP 97116323A EP 0834363 B1 EP0834363 B1 EP 0834363B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chill mould
- format
- casting
- continuous casting
- mold
- 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
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 30
- 238000005266 casting Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003860 storage Methods 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
- B22D11/0406—Moulds with special profile
Definitions
- the invention relates to a continuous casting plant with casting mold for the production of Rolling long products, especially wire, section steel, bar steel, Rails or the like suitable strands.
- the billet continuous casting plants usually pour with an open one Pouring stream between distributor and mold and with oil as a lubricant.
- These continuous casting plants are predominantly for continuous sheet caster with vertically arranged mold, which in turn can be divided into vertical, vertical bend and Circular arc systems.
- Blocks also become a certain but small one Percentage also cast on horizontal caster.
- the ones here cast strands are mainly special steel grades, which can only absorb small bending stresses when cast.
- the continuous casting machines described are used depending on the dimensions a maximum operationally realistic casting speed of operated at approx. 1.5 - 3.0 m / min.
- the object of the invention is to seek a solution that both Advantages of a round mold as well as the advantages of a square billet with minimal use of additional devices such as e.g. B. has forming frames in the strand guide.
- the continuous caster is structurally characterized according to claim 1 characterized in that the continuous casting mold with a round mold format or also oval mold format in the upper mold half is provided and an indentation area starting approximately in the middle of the mold has that over the lower half of the mold a polygonal or profile format up to the mold exit at the latest about the same size as the original round mold format and that the mold in the area of the second mold half from mutually independent segments for molding of the strand, the segments of the casting mold are position and force controlled.
- the continuous casting arch system shown in Figure 1 contains the Oscillating mold according to the invention (1) with liquid steel is supplied from a distributor (2).
- the steel can either be free falling from the distributor (2) (Fig. 1A) or with the help of a dip tube (3) using mold powder (4) (Fig. 1B) in the Chill mold (1) are passed.
- the mold (1) according to the invention shows that in the first half (5) from the top edge (5.1) to max. a round or oval format (6) of z. B. 127 mm and in the second half (7) until the mold exit (7.1) the strand on a polygonal format of the same size (8) or the same profile (8.1).
- the 127 mm round format (6) can become a 100 mm Square billet (9), which has the same circumference of 400 mm as the 127 mm round format.
- the square stick can easily convex surfaces and / or have rounded corners (9.1).
- the round format in the Chill to a polygon (10) such. B. like an octahedron To be circumferentially shaped.
- Forming the strand from a round (6) to a polygon (8) or profile (8.1) within the continuous casting mold is easily possible, since the strand with its hot strand shell and the liquid one
- the core is very ductile, has a low deformation resistance and hugs the mold well.
- the billet format molded in this way then comes on the conventional one Continuous casting plant (11) for solidification (11.1) and is Rolling mill (13) fed upstream furnace (12).
- the oven (12) can with a favorable arrangement of the continuous caster and a favorable choice of the strand cross-section to the strand surface be a pure temperature compensation furnace that does not leave the strand Must supply energy.
- the continuous caster can be a billet system as well as one Be a pre-block system.
- a typical blooming unit pours e.g. B. one Strand with the rectangular format 320 x 250 mm, for example for rail generation is used.
- the corresponding round format According to the invention, a diameter would be in the mold of the mold of 363 mm and would have the same size in the mold Pre-block (14) of 320 x 350 mm molded.
- the round profile of the same size can be saved in accordance with the Roll stands are getting smaller.
- Such a casting profile (8.1) close to the final dimensions would correspond, for. B. the eighth intermediate profile within a classic rail calibration of 18 passes, which means that the lengthening of the rolling stock is reduced Ensuring the rail quality reduced from approx. 10 to 6 can be.
- mold segments (7.2) can preferably made of copper, but also made of cast steel.
- Figure 2 shows that the mold according to the invention also at Horizontal continuous casting machines can be used. Either can the strand (15) ( Figure 2A) with the help of the pulling machine (16) Hydraulic jaw drive or electric roller drive from the Mold (1), which is firmly connected to the distributor (17), conveyed out be, or the strand (15) ( Figure 2 B) with the help the pull-out machine (18) with an electric roller drive the oscillating mold (1) with flanged distributor (19) promoted.
- the casting speed up to max. 10 m / min and thus the productivity of the continuous caster is strong can be raised.
- the invention also leads to a minimal additional investment and unchanged in the first approximation Operating costs compared to a conventional continuous caster Rectangle strand formats.
- the invention enables the simple conversion of already existing continuous casting plants with the aim of ensuring the continuous quality to improve both inside and on the surface.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Body Structure For Vehicles (AREA)
- Ceramic Products (AREA)
- Metal Rolling (AREA)
Description
- Figur 1:
- Eine Darstellung der Stranggießanlage mit der erfindungsgemäßen Kokille und Vertikalanordnung beispielsweise in einer Bogenstranggießanlage.
- Figur 2:
- Eine Darstellung von Horizontalstranggießanlagen mit einem oszillierenden Strang (Figur 2 A) bzw. mit einer oszillierenden Kokille (Figur 2 B).
- (1)
- Kokille
- (2)
- Verteiler
- (3)
- Tauchrohr
- (4)
- Gießpulver
- (5)
- erste Kokillenhälfte von Oberkante der Kokille bis etwa Kokillenmitte
- (5.1)
- Oberkante der Kokille
- (5.2)
- Mitte der Kokille
- (6)
- Rundstrang-Format (rund/oval)
- (7)
- zweite Kokillenhälfte von etwa Kokillenmitte bis Kokillenaustritt
- (7.1)
- Kokillenausgang
- (7.2)
- Kokillensegmente, positions- und kraftgeregelt
- (8)
- Vielkant-Knüppelstrangformat
- (8.1)
- Profil-Strangformat
- (9)
- Quadrat-Knüppelstrangformat
- (9.1)
- Quadrat-Knüppelstrangformat mit konvexen Flächen und/oder abgerundeten Ecken
- (10)
- Oktaederstrang-Format
- (11)
- kontinuierliche Knüppel- oder Vorblockstranggießanlage
- (11.1)
- Durcherstarrung, Sumpfspitze
- (12)
- Ofen
- (13)
- Walzwerk
- (14)
- Vorblockformat, z. B. 320 x 250 mm
- (15)
- Strang
- (16)
- Ausziehmaschine mit Hydraulik-Klemmbackenantrieb oder Elektro-Rollenantrieb für die Strangoszillation und die Strangförderung bei Horizontalstranggießanlagen
- (17)
- Verteiler fest verbunden mit der nicht oszillierenden Kokille (1)
- (18)
- Ausziehmaschine mit Elektro-Rollenantrieb für Strangförderung bei Horizontal-stranggießanlagen
- (19)
- Verteiler fest verbunden mit der oszillierenden Kokille (1)
Claims (8)
- Stranggießanlage mit Gießkokille zur Herstellung von für das Walzen von Langprodukten, insbesondere von Draht, Profilstahl, Stabstahl, Schienen oder dergleichen geeigneten Strängen, wobei die Gießkokille (1) mit einem Rundkokillenformat oder auch Ovalkokillenformat (6) am oberen Kokilleneintritt versehen ist,
dadurch gekennzeichnet,
daß der Einformungsbereich der Kokille (6) etwa in der Mitte der Kokille (5.2) beginnt und über die untere Kokillenhälfte (7) bis spätestens zum Kokillenausgang (7.1) ein Vielkantformat (8) oder Profilformat (8.1) etwa gleichen Umfangs wie das Ausgangs-Rundkokillenformat bzw. OvalKokillenformat (6) aufweist und daß die Kokille (1) im Bereich der zweiten Kokillenhälfte (7) aus von einander unabhängigen Segmenten (7.2) zwecks Einformung des Stranges besteht, wobei die Segmente (7.2) der Gießkokille (1) positions- und kraftgeregelt sind. - Stranggießanlage mit Gießkokille nach Anspruch 1,
dadurch gekennzeichnet,
daß die Gießkokille (1) maximal bis in die Kokillenmitte den Rundquerschnitt/Ovalquerschnitt aufweist. - Stranggießanlage mit Gießkokille nach Anspruch 1,
dadurch gekennzeichnet,
daß die Gießkokille an ihrem Ausgang (7.1) ein Quadratknüppel- (9) ein konvexes Quadratknüppel (9.1), ein Oktaeder- (10), ein Vorblock- (14) oder auch ein Profil-Strangformat (8.1) aufweist. - Stranggießanlage mit Gießkokille nach mindestens
einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß zwischen den Segmenten (7.2) der Gießkokille (1) und dem Strang eine Einrichtung zum Aufbau eines Gasfilms vorgesehen ist. - Stranggießanlage mit Gießkokille nach mindestens
einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Segmente (7.2) aus Kupfer, aus einer Kupferlegierung, oder auch aus Gußstahl bestehen. - Stranggießanlage mit Gießkokille nach mindestens
einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Kokille (1) vertikal und oszillierend angeordnet ist und den Kopf einer Senkrecht-, Senkrechtabbiege- oder Bogen-Stranggießanlage (11) für das Gießen von Knüppeln, Vorblöcken oder Profilen darstellt. - Stranggießanlage mit Gießkokille nach mindestens
einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Gießkokille (1) horizontal angeordnet und mit dem Verteiler (17) fest verbunden ist und dem Strang (15) zwecks Ausförderung eine Oszillationseinrichtung zugeordnet ist. - Stranggießanlage mit Gießkokille nach mindestens
einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Gießkokille (1) horizontal angeordnet und mit dem Verteiler (19) fest verbunden ist und Kokille und Verteiler einer Oszillationseinrichtung zugeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19639299A DE19639299C2 (de) | 1996-09-25 | 1996-09-25 | Vorrichtung zur Herstellung eines Vielkant- oder Profil-Formats in einer Stranggießanlage |
DE19639299 | 1996-09-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0834363A2 EP0834363A2 (de) | 1998-04-08 |
EP0834363A3 EP0834363A3 (de) | 1999-01-07 |
EP0834363B1 true EP0834363B1 (de) | 2001-07-25 |
Family
ID=7806800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97116323A Expired - Lifetime EP0834363B1 (de) | 1996-09-25 | 1997-09-19 | Stranggiessanlage zur Herstellung eines Vielkant- oder Profil-Formats |
Country Status (4)
Country | Link |
---|---|
US (1) | US6070645A (de) |
EP (1) | EP0834363B1 (de) |
AT (1) | ATE203437T1 (de) |
DE (2) | DE19639299C2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6857464B2 (en) * | 2002-09-19 | 2005-02-22 | Hatch Associates Ltd. | Adjustable casting mold |
EP2025432B2 (de) * | 2007-07-27 | 2017-08-30 | Concast Ag | Verfahren zur Erzeugung von Stahl-Langprodukten durch Stranggiessen und Walzen |
US20170137921A1 (en) * | 2015-11-18 | 2017-05-18 | Yuanji Zhu | Systems and Methods for Producing Hardwearing And IMPACT-RESISTANT ALLOY STEEL |
IT201700067508A1 (it) * | 2017-06-16 | 2018-12-16 | Danieli Off Mecc | Metodo di colata continua e relativo apparato |
EP3623074A1 (de) * | 2018-09-13 | 2020-03-18 | SMS Concast AG | Verfahren zur endabmessungsnahen herstellung von langprodukten, sowie eine giesswalzanlage zur durchführung des verfahrens |
IT201800011025A1 (it) * | 2018-12-12 | 2020-06-12 | Danieli Off Mecc | Metodo di realizzazione di un apparato di colata continua ed apparato di colata continua cosi’ ottenuto |
CN109794586B (zh) * | 2019-02-27 | 2023-10-03 | 山东钢铁股份有限公司 | 一种适用于异形坯连铸机全保护浇铸的结晶器 |
AT524482B1 (de) * | 2020-09-18 | 2022-07-15 | Primetals Technologies Austria GmbH | Stranggießanlage und Verfahren zum Betrieb der Stranggießanlage |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT374128B (de) * | 1978-06-14 | 1984-03-26 | Voest Alpine Ag | Stranggiesskokille |
DE3400220A1 (de) * | 1984-01-05 | 1985-07-18 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Kokille zum stranggiessen von stahlband |
AT379093B (de) * | 1984-02-16 | 1985-11-11 | Voest Alpine Ag | Durchlaufkokille fuer eine stranggiessanlage |
AT383066B (de) * | 1985-09-05 | 1987-05-11 | Voest Alpine Ag | Verfahren zum diskontinuierlichen ausziehen eines stranges sowie vorrichtung zur durchfuehrung des verfahrens |
US4716955A (en) * | 1986-06-11 | 1988-01-05 | Sms Concast Inc. | Continuous casting method |
GB8814331D0 (en) * | 1988-06-16 | 1988-07-20 | Davy Distington Ltd | Continuous casting of steel |
ES2056670T5 (es) * | 1991-02-06 | 2001-02-01 | Concast Standard Ag | Lingotera para la colada continua de metales, particularmente de acero. |
DE4127331A1 (de) * | 1991-08-19 | 1993-02-25 | Schloemann Siemag Ag | Vorrichtung zum osziliierenden bewegen von stranggiesskokillen mittels exzentern |
ES2085648T3 (es) * | 1991-09-12 | 1996-06-01 | Giovanni Arvedi | Proceso y aparato para la fabricacion de tochos y palanquillas por fundicion continua del acero obteniendo una excelente o elevada calidad. |
DE4139242C3 (de) * | 1991-11-26 | 1999-08-19 | Mannesmann Ag | Verfahren zur Erzeugung von Langprodukten aus Stahl |
DE4343124C2 (de) * | 1993-12-17 | 1996-05-23 | Schloemann Siemag Ag | Kokille zum Stranggießen von Stahlband |
DE4403050C1 (de) * | 1994-01-28 | 1995-09-28 | Mannesmann Ag | Stranggießkokille zum Führen von Strängen |
DE4403045C1 (de) * | 1994-01-28 | 1995-09-07 | Mannesmann Ag | Stranggießanlage zum Führen von Strängen |
-
1996
- 1996-09-25 DE DE19639299A patent/DE19639299C2/de not_active Expired - Fee Related
-
1997
- 1997-09-19 DE DE59704114T patent/DE59704114D1/de not_active Expired - Fee Related
- 1997-09-19 AT AT97116323T patent/ATE203437T1/de not_active IP Right Cessation
- 1997-09-19 EP EP97116323A patent/EP0834363B1/de not_active Expired - Lifetime
- 1997-09-22 US US08/934,951 patent/US6070645A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59704114D1 (de) | 2001-08-30 |
DE19639299C2 (de) | 2001-02-22 |
ATE203437T1 (de) | 2001-08-15 |
DE19639299A1 (de) | 1998-03-26 |
EP0834363A3 (de) | 1999-01-07 |
US6070645A (en) | 2000-06-06 |
EP0834363A2 (de) | 1998-04-08 |
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