WO2019088771A1 - 연주압연장치 및 연주압연방법 - Google Patents

연주압연장치 및 연주압연방법 Download PDF

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Publication number
WO2019088771A1
WO2019088771A1 PCT/KR2018/013277 KR2018013277W WO2019088771A1 WO 2019088771 A1 WO2019088771 A1 WO 2019088771A1 KR 2018013277 W KR2018013277 W KR 2018013277W WO 2019088771 A1 WO2019088771 A1 WO 2019088771A1
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WO
WIPO (PCT)
Prior art keywords
path
rolling
tunnel
main
slab
Prior art date
Application number
PCT/KR2018/013277
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English (en)
French (fr)
Korean (ko)
Inventor
정제숙
조용석
공종판
차경세
Original Assignee
주식회사 포스코
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Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to US16/759,046 priority Critical patent/US20200331045A1/en
Priority to CN201880071807.0A priority patent/CN111315502A/zh
Priority to JP2020543446A priority patent/JP6845972B2/ja
Priority to EP18874056.7A priority patent/EP3705198B1/de
Publication of WO2019088771A1 publication Critical patent/WO2019088771A1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1213—Accessories for subsequent treating or working cast stock in situ for heating or insulating strands
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007—Cutting or shearing the product
    • B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing

Definitions

  • the present invention relates to a performance rolling apparatus and a performance rolling method.
  • a layout is formed so that the cut slabs produced through the continuous casting process can be rolled immediately without cooling.
  • a tunnel furnace is installed as a space serving as a buffer between the player and the rolling mill.
  • tunnels serve as a space for connecting two castors and one rolling mill, and are used as a buffer space when a certain period of time is required due to the replacement of a rolling mill roll, etc., and slabs and other slabs
  • a heater such as a gas heating system or an induction heating system is installed to compensate the drop temperature.
  • the player may not be operated, or the rolling capacity of the rolling mill may be wasted depending on the casting production speed of the casting machine.
  • An object of the present invention is to provide a performance rolling apparatus and a performance rolling method which prevent the problem of a decrease in the yield rate of the cast steel while compensating for a decrease in the temperature of the cast steel during an abnormal operation.
  • Another aspect of the present invention is to provide a performance rolling apparatus and a performance rolling method in which scaping is performed on a cast steel in a continuous casting process or a problem that a capacity of the rolling mill is wasted is prevented.
  • a performance rolling apparatus includes a performance machine, a cutter for cutting an internal work produced by the performance machine, a pressing part for pressing the cast, A tunnel provided between the cutter and the rolling mill for heating a cast steel located on a main casting path of the inner casting conveyed from the casting machine to the rolling mill and disposed adjacent to the tunneling furnace, And a loading control unit for releasing the cast slab from the exit to the tunnel and drawing the slab from the entrance to the tunnel onto the main path.
  • the loading adjustment unit of the performance rolling apparatus may include a payout unit provided adjacent to the exit to the tunnel, for withdrawing the billet from the main path and leading to the auxiliary path, And a take-in unit that is provided adjacent to the main path and receives the slab through the auxiliary path and draws the slab onto the main path.
  • the loading regulation unit of the performance rolling apparatus may further include a loading regulation unit that releases an internal casting strip which has been separated from the main road on the exit side of the tunnel by the withdrawal machine, And then,
  • the performance rolling apparatus may include a reheater disposed on the auxiliary path between the take-off unit and the take-in unit and heating the cast on the auxiliary path.
  • the performance rolling apparatus may include a scarifier provided on the auxiliary path between the take-off unit and the take-in unit and scaping the cast on the auxiliary path.
  • the drawer of the performance rolling apparatus is characterized in that at least one of the inner cast steel produced in the performance machine and the outer cast steel delivered from the outside is received and drawn into the main casting furnace .
  • a method of rolling a performance comprising the steps of: cutting an inner cast slab produced in a casting machine and supplying the cut slab to a tunnel; receiving a cast slab on a main cast slab moving through the tunnel; Wherein the step of rolling is performed between a step of rolling down the inner slab and a step of rolling the inner slab, and when the execution of the rolling step is stopped, the slab on the main shaft is released from the exit to the tunnel, And a sub-working step of drawing the slab from the entrance to the tunnel into the main path.
  • the sub-working step of the performance rolling method according to another embodiment of the present invention is characterized in that, when the execution of the rolling step is interrupted, a withdrawing step of releasing the cast on the main path from the exit to the tunnel, And returning the slab removed on the main path of the exit to the tunnel to the main path of the entrance to the tunnel through the auxiliary path when the operation is resumed.
  • the step of performing the drawing step is performed successively in order to exclude the intervention of the step.
  • the sub-working step of the performance rolling method according to another embodiment of the present invention is performed before the drawing step, and when the main part in the sub-working step, which is drawn onto the main path, is below the rolling step performing temperature, And a reheating step of heating the cast on the auxiliary path.
  • the sub-working step of the performance rolling method according to another embodiment of the present invention may be performed before the drawing-in step so that a piece of material separated on the main winding path on the exit side into the tunnel enters the tunnel on the main winding path And scaping the piece on the auxiliary path to be delivered.
  • the sub-working step is performed before the drawing step, and the slab separated on the main path of the exit to the tunnel enters the tunnel through the main path And introducing an outer cast produced from the outside onto the auxiliary path to be conveyed.
  • the outer slab providing step of the performance rolling method according to another embodiment of the present invention may be performed when the capacity of the slab for performing the rolling in the rolling step is larger than the supply amount of the inner slab .
  • the performance rolling apparatus and the performance rolling method according to the present invention are advantageous in that the temperature drop rate of the cast steel is compensated for during the abnormal operation, and the problem of the decrease of the casting rate is prevented.
  • the performance rolling apparatus and the performance rolling method of the present invention have the advantage of performing scarping on a cast in a continuous casting process, or preventing the problem of wasting the capacity of the rolling mill.
  • FIG. 1 is a layout diagram showing a movement path of a cast steel during an abnormal operation in the performance rolling apparatus of the present invention.
  • FIG. 2 is a layout diagram showing a movement path that compensates for the loss temperature of the casting during abnormal operation in the performance rolling apparatus of the present invention.
  • FIG. 3 is a layout diagram showing a movement path for scaping main spindle in the performance rolling apparatus of the present invention.
  • FIG. 4 is a layout diagram showing a movement path for accommodating an outer cast steel in the performance rolling apparatus of the present invention.
  • Fig. 5 is a layout diagram showing a movement path for receiving an outer cast and performing scarping in the performance rolling apparatus of the present invention.
  • FIG. 6 is a flowchart showing the performance rolling method of the present invention.
  • FIG. 7 is a flowchart showing a sub-working step in the performance rolling method of the present invention.
  • the present invention relates to a performance rolling apparatus and a performance rolling method, which can prevent a decrease in the rate of realization of casting while compensating for a decrease in the temperature of the casting during abnormal operation.
  • FIG. 1 is a layout diagram showing a movement path of a casting during an abnormal operation in the casting rolling apparatus according to the present invention.
  • the performance rolling apparatus according to an embodiment of the present invention, A cutter 20 which is located on the output side of the player 10 and cuts an internal piece IS produced by the player 10,
  • the rolling mill according to any one of claims 1 to 3, wherein the rolling mill (30) is disposed downstream of the moving direction of the internal slab (IS)
  • the casting is moved from the entrance side of the tunnel path (40) onto the main path (MP) And may include a loading adjustment unit 50 for introducing the same.
  • the cast steel produced by the casting located in the tunnel furnace 40 or the molten steel remaining in the casting machine 10 is heated by the loading control unit 50 during the abnormal operation,
  • the cast on the auxiliary path SP is again drawn onto the main path MP on the entrance side of the tunnel 40 and the main path is moved on the path MP, It is possible to increase the time at which it is located.
  • the loading adjustment unit 50 is limited to allow the main part entering the main path MP to flow into the entrance side of the tunnel path 40, so that the temperature of the casting crucible decreased during the movement through the auxiliary path SP To a temperature at which rolling can be performed.
  • the plunger 10 may serve to produce an internal slip IS from molten steel through a casting process. That is, the casting machine 10 supplies molten steel from the tundish to the casting mold, and the supplied molten steel is deprived of heat to form a cast steel.
  • the inner casting IS is divided into a segment roll and a pinch roll Roll and can be fed to a rolling mill 30 to be described later.
  • the rolling mill 30 can secure a certain temperature required for the rolling operation.
  • the cutter 20 is provided with a continuous casting process in which a cast steel (IS or an external cast steel (OS)) for rolling in the rolling mill 30 is connected to the continuous casting machine 10 and is provided in a continuous form,
  • the cutter 20 is provided on the output side of the player 10.
  • the cutter 20 may be provided in the form of a discontinuous shape.
  • the mill 30 rotates the inner work piece IS produced and delivered from the machine tool 10
  • the cutter 20 cuts the inner slab IS and transfers the cut slab IS to the rolling mill 30 so that the rolling mill 30 can move along with the continuous rolling mill 10, And the rolling is carried out by receiving the inner slab IS in a discontinuous form.
  • the inner slab IS must enter the auxiliary path SP or the like, so that the slab 20 cuts the slab.
  • the rolling mill 30 receives a slab such as an internal slab IS produced in the continuous casting machine 10 or an external slab OS supplied from the outside as described later to produce a slab or a finished product Can play a role.
  • the rolling mill 30 can be rolled while passing the slab through a pair of rolling rolls, and a plurality of rolling stands can be provided in which the rolling roll pairs are provided.
  • the rolling mill 30 can be rolled by setting the thickness of the steel slab to be as large as the ocean.
  • the rolling mill 30 may be divided into a roughing mill 30 and a finishing mill 30.
  • the roughing mill 30 may be configured to initially roll the slabs produced in the milling machine 10,
  • the finishing mill (30) is a constitution for finishing rolling the cast steel rolled in the roughing mill (30).
  • the casting rolls 30 may be allowed to pass through the casting rolls in a state in which the rolling rolls are opened without performing rolling . If the rolling thickness for the cast steel can be formed solely by the operation of the finishing mill 30, the rough rolling mill 30 does not perform rolling, It is possible.
  • a heater for adjusting the rolling temperature of the cast steel, a scale remover for removing scale, and the like may be provided at the entrance of the roughing mill 30 or the finishing mill 30.
  • the tunnel furnace 40 serves to maintain or raise the temperature of the rolled steel sheet at the rolling temperature when rolling the rolled steel product to the rolling mill 30.
  • the tunnels 40 are provided between the caster 10 and the rolling mill 30 so that the tunnels 40 may be provided between the inner scrap IS produced by the caster 10 or the outer scrap OS delivered from the outside, Or the like is heated to maintain the temperature or the temperature of the cast steel at the rolling temperature.
  • the cooling rate can be adjusted by reducing the temperature rise or heating amount of the cast steel, the material of the cast steel can be adjusted.
  • the tunnel furnace 40 may be provided with a heating means such as a gas heating system or an induction heating system, and a plurality of heating means may be provided according to the length of the tunnel furnace 40.
  • a heating means such as a gas heating system or an induction heating system
  • the tunnel furnace 40 is connected to the auxiliary path (not shown) on the main path MP of the inner furnace IS, which is transferred from the performance machine 10 to the rolling mill 30, SP and a loading control unit 50 which draws the billet from the auxiliary path SP to the main path MP at the entrance of the tunnel path 40 can be linked.
  • the loading adjustment unit 50 draws a piece from the main path MP at the exit side of the tunnel path 40 and draws the piece into the auxiliary path SP, (SP), and enters the main path (MP). This is because the main path remains in the auxiliary path SP in order to prevent the problem that the slope of the main part is scrapped during the abnormal operation in which the rolling operation can not be performed such as defect of the rolling mill 30 or replacement of the transport roll, . Thereby, the cast steel can be left without being discarded until the operation is normalized on the main path (MP) and the auxiliary path (SP).
  • the loading control device may include an ejector 51 and a drawer 52. That is, the loading control unit 50 of the performance rolling apparatus according to an embodiment of the present invention is provided adjacent to the outgoing side of the tunnel path 40, and separates the billet from the main path MP, And a drawer 52 provided adjacent to the entrance of the tunnel path 40 for receiving the slab through the auxiliary path SP and drawing the slab onto the main path MP, . ≪ / RTI >
  • the ejector 51 is located on the exit side of the tunnel 40 and serves to transfer the slab from the main path MP to the auxiliary path SP. Accordingly, the movement path of the casting from the exit side of the tunnel 40 to the rolling mill 30 is changed to the auxiliary path SP, thereby enlarging the movement path of the casting.
  • the present invention is not limited to this, and if the cast steel can be transferred from the main path (MP) to the auxiliary path (SP), the present invention Of the present invention.
  • the inserter 52 is located at the entrance of the tunnel 40 and serves to transfer the slab from the auxiliary path SP to the main path MP. Accordingly, it is possible to deliver the slab off the exit side of the tunnel path (40) toward the rolling mill (30).
  • the inserter 52 is provided at the entrance of the tunnel 40, it is possible to heat the casting by the tunnel 40 and to control the temperature of the casting, which is moved through the auxiliary path SP, It is possible to raise the temperature to a rolling-possible temperature.
  • the present invention is not limited to such a pusher, and it is also possible that the casting is performed from the auxiliary path SP to the main path MP, So that it can be the lead-in device 52 of the present invention.
  • the loading regulation unit 50 of the performance rolling apparatus includes an internal yarn separating unit 50 which is separated from the main path MP on the exit side of the tunnel 40 by the ejector 51, ) Into the main path (MP) on the side of the tunnel (40) by the inserter (52).
  • a separate structure is not shown on the moving path of the casting machine from the drawer 51 to the drawer 52, and the casting machine directly connects the drawer 52 to the drawer 51 And may be configured to move and form the auxiliary path SP.
  • the length of the auxiliary path SP may be increased or decreased according to the amount of the main surface to be remained.
  • the length of the auxiliary path SP is limited in consideration of the amount of cooling of the main path on the auxiliary path SP. That is, the temperature of the casting at the entrance of the rolling mill 30 considering the temperature increase in the tunnel 40 and the amount of cooling of the casting cut off from the auxiliary path SP added to the cast steel must be equal to or higher than the rollable temperature, The maximum distance of the auxiliary path SP is limited.
  • FIG. 2 is a layout diagram showing a movement path that compensates for the loss temperature of the casting during abnormal operation in the casting rolling apparatus according to the present invention.
  • the performance rolling apparatus according to an embodiment of the present invention includes: (60) provided on the auxiliary path (SP) between the inlet (51) and the inlet (52) and heating the billet on the auxiliary path (SP).
  • the reason why the reheating 60 is further provided on the auxiliary path SP is that the temperature of the casting on the remaining path is decreased due to the increase in the number of the pieces to be left on the auxiliary path SP Amount exceeds the range that can be compensated by the tunnel furnace 40.
  • the reheater 60 may be provided in the same configuration as the tunnel furnace 40. That is, the reheater 60 may be provided with a heating means such as a gas heating type or an induction heating type, and a plurality of heating means may be provided depending on the length of the heated portion.
  • a heating means such as a gas heating type or an induction heating type
  • FIG. 3 is a layout diagram showing a movement path for performing scaping of main scraps in the performance rolling apparatus according to the present invention.
  • the performance rolling apparatus according to an embodiment of the present invention includes: And a scarifier 70 provided on the auxiliary path SP between the guide 52 and scaping the screed on the auxiliary path SP.
  • This scarifier 70 serves to perform scarfing on the inner work piece IS or the outer work piece OS according to the needs of the product to be produced.
  • the scarifier 70 injects high-pressure oxygen to the surface or edge of the cast steel to perform oxidation or melting to form the cast steel outer surface with necessary properties.
  • the scarifier 70 is not provided on the main path MP but is provided on the auxiliary path SP, it is unnecessary to waste unnecessary part of the main path MP Thereby avoiding the problem of unnecessary cooling caused by the cooling fan. In addition, it is possible to perform scaping selectively for the scraps which require scaping work.
  • FIG. 4 is a layout diagram showing a movement path for receiving an outer work piece (OS) in the performance rolling apparatus according to the present invention
  • FIG. 5 is a view showing a state in which the outer work piece (OS)
  • Fig. 5 is a layout diagram showing a movement path to be performed.
  • the drawer 52 of the performance rolling apparatus includes an inner work piece IS produced by the performance machine 10 and an outer work piece OS And at least one is received and introduced into the main path (MP).
  • the present invention is not limited to the rolling of the rolling mill 30 with the inner slab IS produced by the machine tool 10, but by introducing an externally produced main rolling mill, the rolling capacity of the rolling mill 30 Is not to be wasted. As a result, the production efficiency of the product produced by the rolling mill 30 can be increased.
  • a plurality of players 10 may be linked to one rolling mill 30 to form a main shaft MP in consideration of the rolling capacity of the rolling mill 30.
  • the main milling machine 10 and the rolling mill 30 may be formed by a main path MP and a cast produced by another player 10 may be transmitted to the rolling mill 30 through the auxiliary path SP.
  • the outer screed OS constitutes a moving path via the scarifier 70, and when additional heating is required, the moving path passing through the reheating 60 .
  • FIG. 6 is a flowchart showing a method of rolling a performance according to the present invention.
  • a method of rolling a performance according to another embodiment of the present invention includes cutting the inner work piece IS produced in the performance machine 10, A rolling step of receiving a slab on a main shaft (MP) of the slab, which is moved through the tunnel (40), and rolling the slab, and a step When the operation of the rolling step is stopped, the casting on the main path (MP) is released from the exit of the tunnel path (40), and when the rolling step is resumed, To the main path MP.
  • MP main shaft
  • the sub-working step it is possible to prevent the problem that the slope of the main body is scrapped during the abnormal operation in which the rolling operation can not be performed, such as defects of the rolling mill 30 or replacement of the feed rolls.
  • the cast steel produced by the casting located in the tunnel furnace 40 or the molten steel remaining in the casting machine 10 is separated from the main furnace MP on the exit side of the tunnel furnace 40 And the billet on the auxiliary path SP is again introduced onto the main path MP on the entrance side of the tunnel path 40 so that the time when the main path is located on the path of travel .
  • the temperature of the reduced casting part during the movement through the auxiliary path SP can be set at a temperature . ≪ / RTI >
  • the inner slab providing step is a step of producing molten steel as the inner slab IS in the casting machine 10
  • the rolling step is a step of rolling the slab by the rolling mill 30 to form a rolled product.
  • the sub-working step includes a main path MP to which the inner work piece IS is transferred to the mill 10 and the rolling mill 30 to prevent a problem that the main body is discarded during abnormal operation,
  • the auxiliary path SP is formed.
  • the casting on the main path MP is separated from the exit of the tunnel path 40
  • the casting strips separated on the main path MP on the exit side of the tunnel 40 are received on the auxiliary path SP and the main path on the entrance side of the tunnel path 40 MP).
  • the drawing step for delivering the billet from the main path (MP) to the auxiliary path (SP) and the incoming step for delivering the billet from the auxiliary path (SP) to the main path (MP) are presented.
  • drawing-out step and the drawing-in step are carried out in such a manner that no separate step is interposed therebetween, so that a separate step is not performed on the auxiliary path SP and the slab can be configured to remain solely on the path.
  • the step of performing the drawing step is performed successively in order to exclude the intervention of other steps between the drawing step and the drawing step.
  • the sub-working step is performed in such a short manner that the amount of cooling while the abnormal operation period remains on the auxiliary path SP is small enough to be complemented by the tunnel 40.
  • the sub-working step of the performance rolling method according to another embodiment of the present invention is performed before the drawing step, and when the main part in the sub-working step, which is drawn onto the main path MP, , And a reheating step of heating the cast on the auxiliary path (SP).
  • This reheating step may be performed by reheating 60 provided on the auxiliary path SP.
  • sub-working step of the performance rolling method according to another embodiment of the present invention may be performed before the drawing step, and the slip removed from the main path (MP) on the exit side of the tunnel path (40) And scaping the scrap on the auxiliary path SP to be drawn into the main path MP of the input side MP.
  • Such a scarping step may be carried out in the case of producing an outer panel of an automobile or a product requiring a rigid surface.
  • the scarping step is performed by a scarifier 70 provided on the auxiliary path SP, and thus the problem of the increase of the main path MP by the scarifier 70 Thereby preventing the problem that the main part on the main path MP is cooled.
  • sub-working step of the performance rolling method according to another embodiment of the present invention may be performed before the drawing step, and the slip removed from the main path (MP) on the exit side of the tunnel path (40) (OS), which is produced from the outside, onto the auxiliary path (SP), which is provided on the main path (MP) on the inlet side.
  • OS tunnel path
  • SP auxiliary path
  • the present invention is not limited to the internal bobbin (IS) provided in the internal bobbin providing step, but includes the step of supplying an external bobbin (OS) introduced from the outside.
  • IS internal bobbin
  • OS external bobbin
  • the outer slab providing step is further performed in order to prevent a problem that the rolling mill 30 performing the rolling step wastes a capacity to be rolled.
  • the outer slab providing step of the performance rolling method according to another embodiment of the present invention is performed when the capacity of the casting for performing the rolling in the rolling step is larger than the supply amount of the inner slab IS .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
PCT/KR2018/013277 2017-11-03 2018-11-02 연주압연장치 및 연주압연방법 WO2019088771A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US16/759,046 US20200331045A1 (en) 2017-11-03 2018-11-02 Continuous casting and rolling apparatus and continuous casting and rolling method
CN201880071807.0A CN111315502A (zh) 2017-11-03 2018-11-02 连续铸造和轧制设备以及连续铸造和轧制方法
JP2020543446A JP6845972B2 (ja) 2017-11-03 2018-11-02 連続鋳造圧延装置及び連続鋳造圧延方法
EP18874056.7A EP3705198B1 (de) 2017-11-03 2018-11-02 Stranggiess- und walzvorrichtung sowie stranggiess- und walzverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0145823 2017-11-03
KR1020170145823A KR101998966B1 (ko) 2017-11-03 2017-11-03 연주압연장치 및 연주압연방법

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WO2019088771A1 true WO2019088771A1 (ko) 2019-05-09

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PCT/KR2018/013277 WO2019088771A1 (ko) 2017-11-03 2018-11-02 연주압연장치 및 연주압연방법

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US (1) US20200331045A1 (de)
EP (1) EP3705198B1 (de)
JP (1) JP6845972B2 (de)
KR (1) KR101998966B1 (de)
CN (1) CN111315502A (de)
WO (1) WO2019088771A1 (de)

Cited By (1)

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KR20190050430A (ko) 2019-05-13
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