US3782447A - Continuous casting plant - Google Patents

Continuous casting plant Download PDF

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Publication number
US3782447A
US3782447A US00132109A US3782447DA US3782447A US 3782447 A US3782447 A US 3782447A US 00132109 A US00132109 A US 00132109A US 3782447D A US3782447D A US 3782447DA US 3782447 A US3782447 A US 3782447A
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US
United States
Prior art keywords
tundish
casting
shop
continuous casting
tracks
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
Application number
US00132109A
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English (en)
Inventor
F Willim
H Schulz
H Thorner
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 Concast AG
Schloemann AG
Original Assignee
Concast AG
Schloemann 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.)
Filing date
Publication date
Application filed by Concast AG, Schloemann AG filed Critical Concast AG
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Publication of US3782447A publication Critical patent/US3782447A/en
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    • 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

Definitions

  • the casting mold or molds are mounted at a casting station on a platform in a casting shop adjacent to a side shop.
  • the platform extends into the side shop, and tundishes are transported on curved tracks from the side shop where they may be repaired or heated to the casting station in the casting shop.
  • the ladle crane in the casting shop can, therefore, be used exclusively for transporting the heavy ladle to and from the casting station, and the tundishes can be moved by other means including a separate crane.
  • This invention relates to the arrangement of the tundish heating stations and'to the tracks for the tundish cars in continuous casting plants.
  • tundish cars For conveying the tundish between the heating station and the mold use is made of tundish cars. These reduce the work that has to be done by the overhead travelling crane, and they also support the tundish in pouring position as well as when it is being preheated.
  • the cars can be moved on tracks to heating stations located on each side of the mold.
  • An object'of the present invention is, therefore, to provide an arrangement of the heating stations and the track for the tundish cars between the molds and the heating stations, so contrived that neither the overhead travelling crane for handling the ladles nor a supplementary transfer car for conveying tundishes from the heating stations to the reconditioning stations need be used for handling the tundishes.
  • this object is achieved by the provision of tracks extending with a change in direction from the mold to heating stations that are located in an adjacent building. In such an arrangement the ladle crane is no longer required to handle the tundishes.
  • a transfer car is also redundant.
  • the tracks may extend from the ends of the mold in a curve to heating stations placed in opposed juxtaposition. However, in an alternative arrangement the tracks may extend from the side of the mold which forms the inside of the continuous casting arc in curves to the heating stations that are placed in opposed juxtaposition.
  • each tundish car may be attached to a swing arm pivoted at the center of the circle in which the tundish car moves, the wheels of the tundish car running on the flat surface of the casting platform. This eliminates the need for rails to guide the tundish car, while the power for its motor may be conducted through the swing arm.
  • the tracks may divide at the mold and extend to separate heating stations placed closely side by side. Such arrangements of the heating stations take up little space in width. Hence it is possible to erect several continuous casting machines in close lateral adjacence.
  • the tracks may extend in curves from the mold to heating stations that are placed closely side by side at an angle. This disposition also takes up little space. The change in direction of the tracks is confined to a minimum, since the radius can be made large. Friction on the rails is thereby reduced.
  • a switch for the tracks can be omitted if according to another feature of the invention the tracks for the two tundish cars are closely adjacent at the mold but still separate.
  • the provision of crossing rails on the inside can be dispensed with and the corresponding wheels of the tundish cars arranged to roll on the flat surface of the casting platform, whereas the outside rails are for the reception of flanged wheels on the cars. .Iolting of the travelling tundish cars can thus be avoided.
  • the wheels of the tundish cars may be axially asymmetrically offset by the distance a between the two tracks at the mold.
  • Allowance can also be made for the presence of this difference a between the locations of the tracks by differently mounting the tundishes on the cars.
  • FIGS. 1 and 2 are a side elevation and a plan view, respectively, of a continuous casting machine comprising tracks extending in a curve from each end of the mold.
  • FIGS. 3 and 4 are a side elevation and a plan view, respectively, of a continuous casting machine comprising tracks extending in curves from the side of the mold which is on the inside of the continuous casting arc.
  • FIGS. 5 and 6 are a side elevation and a plan view, respectively, of the tundish car used in FIGS. 3 and 4, shown on a larger scale.
  • FIGS. 7 and 8 are a side elevation and a plan view, respectively, of a continuous casting machine comprising tundish heating stations disposed in parallel side by side, and
  • FIGS. 9 and 10 are a side elevation and a plan view, respectively, of the molds and the tundish cars of a continuous casting machine comprising tracks extending in curves from the mold to the heating stations that are placed side by side at an angle.
  • the drawings show a casting shop 1 and adjacent thereto a side shop 2.
  • a casting platform 3 which extends into the side shop 2.
  • the casting shop I is equipped with a ladle crane 4.
  • the side shop 2 is likewise provided with a travelling crane 5.
  • the casting platform 3 carries molds 6 from which continuous castings 7 are guided into the horizontal in arc type guideways (not shown).
  • a ladle car 8 carrying a ladle 9 is arranged to be moved into position above the molds 6.
  • tundish cars 1 l are disposed on both ends of the molds 6.
  • the tundish cars 11 are adapted to support a tundish 12 above the molds 6 during casting.
  • the rail tracks extend from each end of the molds 6 in a curve to heating stationsv 13 and 14 which are located on the casting platform 3 in the side shop 2.
  • the tundishes are changed by first conveying a fresh tundish 12 by means of the crane 5 from the station 15 where the tundishes are reconditioned to a tundish car 11 waiting at the heating station 13 where the fresh tundish is placed on the car. As soon as the tundish 12 has been sufficiently preheated, the other tundish 12 above the molds 6 is moved by its car 11 to the heating station 14 and at the same time the car which carries the fresh tundish is moved into position above the molds. This change-over can be quickly effected without using the ladle crane 4, even for sequence continuous casting. The crane 5 then takes the worn tundish 12 back to the tundish reconditioning station 15.
  • tracks for tundish cars 21 and 22 extend from the sides of the molds 6 which are on the inside of the casting arc in curves to two heating stations 23 and 24.
  • Each of the tundish cars is additionally guided by a swing arm 25 reespectively 26 which pivots about a pivot 27.
  • the tundishes 28 and 29 can also be quickly replaced without using the ladle crane 4.
  • the transport of the tundishes between the heating stations 23 and 24 and the tundish reconditioning station 15 is again handled by the crane Sin the side shop 2.
  • FIGS. 5 and 6 illustrate a tundish car 21 on a larger scale.
  • This comprises two trucks 30 and a high level connecting cross member 31.
  • the swing arm 25 likewise swings at the high level and is attached to the cross member 31. This arrangement gives the mold operator unobstructed access to the molds 6.
  • the trucks 30 of the car 21 are provided with driven wheels 32 which are mounted at an angle corresponding to the curvature of the track.
  • FIGS. 7 and 8 show yet another continuous casting plant in which two heating stations 33 and 34 are located side by side on the casting platform 3 above the continuously cast strands 7.
  • Two tundish cars 35 and 36 carry tundishes 37 and 38 from the molds 6 to the heating stations 33 and 34.
  • the tundish cars run on tracks 39 and 40 which diverge from a common length of track at the mold to reach the two heating stations 33 and 34 in their side-by-side positions.
  • This method of disposing the heating stations and tracks require a minimum of space on each end of the molds and therefore permits a plurality of such casting machines to be located in close lateral adjacence.
  • FIGS. 9 and 10 A particularly useful embodiment is illustrated in FIGS. 9 and 10.
  • Each tundish car 41 and 42 in this arrangement runs on its own track 45 and 46 extending up to the molds 6 where the tracks run very close to each other in an almost parallel postiion.
  • the tracks 45 and 46 describe a curve of large radius to the heating stations 43 and 44 which are placed closely together at appropriate angles.
  • a track switch is not required. Only the two wheels 47 and 48 on the outsides of the cars 41 and 42 are provided with flanges, whereas the inner wheels 49 and 50 roll flat on the casting platform. .lolts and other troubles at the rail cross-over point 51 can thus be avoided.
  • the wheels 50 and 47 respectively 48 and 49 of the two tundish cars 42 and 41 are axially asymmetrically offset by the distance a between the two tracks at the mold. This ensures that the outlet orifices of each tundish 52 and 53 in pouring position register exactly with the openings in the molds 6.
  • Allowance for compensation of this distance a between the tracks can also be made by appropriately positioning the tundishes 52 and 53 on their respective tundish cars.
  • the casting machine as shown in FIG. 1 is also moved to the left.
  • the ladles may be rotatably supported by ladle towers which have two horizontal arms and are known in the prior art.
  • the vertical support column of the ladle tower may be so located that the ladle carrying arm which is in stand-by position may extend into the hot metal shop for loading with a full ladle.
  • the tracks 10 of FIG. 2 could therefore be arranged concentrically around the ladle tower column, so that the tundish 12 could always be located below the ladle pouring nozzle.
  • the burners of the heating stations 13 and 14 could be temporarily retracted from the tracks 10 to allow the necessary movements on the track.
  • the tundish could first be preheated and then filled with molten metal from the filled replacement ladle which is in stand-by position.
  • a worn casting tundish could therefore be replaced by a tundish which is already filled with metal. This is an important advantage for sequence continuous casting.
  • a continuous casting plant comprising a casting shop, an adjoining separate slide shop, and a separate traveling crane on a separate set or tracks for serving each shop, a casting platform which extends from the casting shop into the side shop, at least one casting mold mounted at a single casting station located on said platform in said casting shop, a plurality of tundish heating stations located on said platform in said side shop, curved tracks mounted on said platform extending from each of said tundish heating stations in said side shop to said single casting station in said casting shop, a plurality of separate wheeled tundish cars, and a tundish mounted on each of said cars, said cars being movable selectively along said tracks in a curved path from one of said tundish heating stations to said casting station and from said casting station to one of said tundish heating stations.
  • each track extends in a curved path from tundish heating station to one end of the mold at said casting station.
  • a continuous casting plant according to claim 1 in which the cast strand extending from said mold is curved and in which each track extends in a curved path from a tundish heating station to the side of the mold which forms the inside of the curve of the cast strand.
  • each of said curved paths forms the arc of a circle and each tundish car is provided with a swing arm pivoted on said platform at the center of the circle.
  • a continuous casting plant according to claim 1 in which said tundish heating stations are arranged side by side and separate tracks meet at the side of the mold which forms the inside of the curve of the cast strand.
  • a continuous casting plant according to claim 1 in which said tundish heating stations are arranged side by side but are angularly disposed to the side of the mold which forms the inside of the curve of the cast strand.
  • a continuous casting plant according to claim 8 in which said tundish cars are each provided with inside for the separation of the tracks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
US00132109A 1970-04-07 1971-04-07 Continuous casting plant Expired - Lifetime US3782447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2016435A DE2016435C3 (de) 1970-04-07 1970-04-07 Führung von Zwischenbehälterwagen in einer StranggieBanlage

Publications (1)

Publication Number Publication Date
US3782447A true US3782447A (en) 1974-01-01

Family

ID=5767283

Family Applications (1)

Application Number Title Priority Date Filing Date
US00132109A Expired - Lifetime US3782447A (en) 1970-04-07 1971-04-07 Continuous casting plant

Country Status (9)

Country Link
US (1) US3782447A (ja)
JP (2) JPS5125412B1 (ja)
BE (1) BE765265A (ja)
CA (1) CA931725A (ja)
DE (1) DE2016435C3 (ja)
FR (1) FR2085909B1 (ja)
GB (1) GB1280138A (ja)
SE (1) SE370646B (ja)
ZA (1) ZA712203B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974874A (en) * 1975-11-24 1976-08-17 Concast Incorporated Continuous casting plant
US5027880A (en) * 1990-01-17 1991-07-02 Daido Tokushuko Kabushiki Kaisha And Hitachi Zosen Corporation Tundish changing apparatus in a continuous casting installation
US5329989A (en) * 1989-05-04 1994-07-19 Consarc Engineering Limited Induction melting and casting apparatus
US5348072A (en) * 1992-02-21 1994-09-20 Mannesmann Aktiengesellschaft Continuous casting plant for the continuous horizontal casting of metals

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273208A (en) * 1963-09-19 1966-09-20 United Eng Foundry Co Interchangeable continuous casting apparatus
US3344847A (en) * 1966-03-14 1967-10-03 United Eng Foundry Co Apparatus for the continuous casting of molten metal
US3446269A (en) * 1966-08-08 1969-05-27 Schloemann Ag Apparatus for the transporting of the intermediate container of continuous casting machines
US3536125A (en) * 1968-09-17 1970-10-27 Pennwalt Corp Multiple tundish system for metal refining plant
DE2022006A1 (de) * 1969-05-10 1970-11-12 Continua Internat Continuous G Stranggussanlage mit ueber der Durchlaufkokille auf einem Traggeruest angeordnetem Zwischen- bzw. Verteilergefaess

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1558199C3 (de) * 1967-01-14 1974-08-22 Demag Ag, 4100 Duisburg Anordnung auf einer Stranggießbühne mit zwischen Neuzustellungsstand und Vorwärmstand bzw. mehreren Gießständen verlaufenden Transportgleisen für auf Wagen verfahrbare Zwischenbehälter
FR1542640A (fr) * 1967-08-10 1968-10-18 United Eng Foundry Co Appareil pour la coulée en continu d'un métal tel que l'acier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273208A (en) * 1963-09-19 1966-09-20 United Eng Foundry Co Interchangeable continuous casting apparatus
US3344847A (en) * 1966-03-14 1967-10-03 United Eng Foundry Co Apparatus for the continuous casting of molten metal
US3446269A (en) * 1966-08-08 1969-05-27 Schloemann Ag Apparatus for the transporting of the intermediate container of continuous casting machines
US3536125A (en) * 1968-09-17 1970-10-27 Pennwalt Corp Multiple tundish system for metal refining plant
DE2022006A1 (de) * 1969-05-10 1970-11-12 Continua Internat Continuous G Stranggussanlage mit ueber der Durchlaufkokille auf einem Traggeruest angeordnetem Zwischen- bzw. Verteilergefaess

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974874A (en) * 1975-11-24 1976-08-17 Concast Incorporated Continuous casting plant
US5329989A (en) * 1989-05-04 1994-07-19 Consarc Engineering Limited Induction melting and casting apparatus
US5027880A (en) * 1990-01-17 1991-07-02 Daido Tokushuko Kabushiki Kaisha And Hitachi Zosen Corporation Tundish changing apparatus in a continuous casting installation
US5348072A (en) * 1992-02-21 1994-09-20 Mannesmann Aktiengesellschaft Continuous casting plant for the continuous horizontal casting of metals

Also Published As

Publication number Publication date
JPS5614919Y2 (ja) 1981-04-08
ZA712203B (en) 1972-02-23
JPS5125412B1 (ja) 1976-07-30
SE370646B (ja) 1974-10-28
DE2016435B2 (de) 1974-10-31
DE2016435A1 (de) 1971-10-28
FR2085909B1 (ja) 1975-01-17
CA931725A (en) 1973-08-14
FR2085909A1 (ja) 1971-12-31
DE2016435C3 (de) 1975-06-19
JPS5379817U (ja) 1978-07-03
BE765265A (fr) 1971-08-30
GB1280138A (en) 1972-07-05

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