WO2017086637A1 - Équipement de coulée et procédé de coulée - Google Patents

Équipement de coulée et procédé de coulée Download PDF

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Publication number
WO2017086637A1
WO2017086637A1 PCT/KR2016/012589 KR2016012589W WO2017086637A1 WO 2017086637 A1 WO2017086637 A1 WO 2017086637A1 KR 2016012589 W KR2016012589 W KR 2016012589W WO 2017086637 A1 WO2017086637 A1 WO 2017086637A1
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WO
WIPO (PCT)
Prior art keywords
ladle
nozzle
hanger
mold
casting
Prior art date
Application number
PCT/KR2016/012589
Other languages
English (en)
Korean (ko)
Inventor
김성줄
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to ES16866589T priority Critical patent/ES2763081T3/es
Priority to EP16866589.1A priority patent/EP3378582B1/fr
Priority to CN201680066514.4A priority patent/CN108290215B/zh
Priority to JP2018544011A priority patent/JP6548833B2/ja
Publication of WO2017086637A1 publication Critical patent/WO2017086637A1/fr

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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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
    • 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
    • B22D41/12—Travelling ladles or similar containers; Cars for ladles
    • 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
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
    • 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
    • B22D41/505—Rings, inserts or other means preventing external nozzle erosion by the slag

Definitions

  • the present invention relates to casting equipment and casting methods, and more particularly, to casting equipment and casting methods, which allow the ladle and nozzles to be positioned at the same position at all times and to balance the ladle and nozzles. It is about.
  • a ladle containing molten steel refined in the steelmaking process a tundish temporarily receiving molten steel from the ladle, a shroud nozzle for supplying the molten steel of the ladle to the tundish, and a molten steel supplied from the tundish in a constant shape.
  • a ladle turret as shown in Korean Patent Laid-Open Publication No. 2013-0120149 is used.
  • the ladle turret is installed to be connected to both sides of a swing tower and a swing tower which are rotationally driven, and each includes a ladle support on which a ladle is seated.
  • casting is continuously performed by alternately placing the ladle on the top of the tundish by rotating the swing tower and discharging the molten steel of the ladle into the tundish.
  • This ladle turret has the advantage of being able to reliably position the ladle at the same position at all times above the tundish, but it is expensive and must be rotated, raised or lowered to place the ladle containing several hundred tons of molten steel in the casting position.
  • the operation of the ladle turret described above is more inefficient in terms of power consumption.
  • the shroud nozzle includes a ladle nozzle connected to the bottom of the ladle and a long nozzle fastened to the bottom of the ladle nozzle to supply molten steel of the ladle to the tundish.
  • the long nozzle is fastened to the ladle nozzle, such a shroud nozzle varies in a fastening position between the ladle nozzle and the long nozzle, or the perpendicularity between the ladle nozzle and the long nozzle.
  • 2013-0075570 is located at a lower side of the shroud arm and a shroud arm configured to enable forward and backward operations with respect to the long nozzle, and is capable of moving forward and backward with respect to the long nozzle, and holding the long nozzle. It is possible to hold the gripping portion, the lower portion of the shroud arm includes a hydraulic drive means for moving the grip portion forward and backward.
  • the present invention provides a casting facility and a casting method that allow the ladle to be positioned at the same position at all times, and to balance the ladle and nozzles.
  • the present invention provides a casting installation and casting method comprising a ladle support device capable of supporting and placing a ladle in a casting position with a simple structure and balancing the ladle and nozzles.
  • Casting equipment includes a ladle for receiving molten steel; A mold for solidifying the molten steel provided from the ladle and casting the cast steel; A hanger extending in one direction and supporting the ladle and movable; Ladle gripping means extending in the vertical direction, one end is connected to the hanger and the other end is holding the ladle; A hanger holder installed at an upper side of the mold to hang the ladle supported by the ladle so that the ladle supported by the hanger is positioned to correspond to the upper side of the mold; And a nozzle connected to a lower portion of the ladle to discharge molten steel of the ladle.
  • the hanger holder is formed extending in a direction intersecting with the extending direction of the hanger, a pair of first holders spaced apart from each other so that both edge portions of the hanger can be placed on the upper; And a pair of second cradles installed to extend upward from the upper portions of the pair of first cradles, and having two cradle members spaced apart at a large interval from the width of the hanger.
  • a pair of stoppers installed at an edge of the bottom of the hanger
  • the pair of stoppers are installed to be spaced apart from each other by a short distance from the bottom of the hanger compared to the distance between the pair of first cradles.
  • the nozzle includes a first nozzle having one end connected to the ladle and a second nozzle that can be fastened to the first nozzle, and capable of moving forward and backward, and holding the second nozzle in a direction in which the first nozzle is located.
  • a first balance adjuster which moves to fasten the second nozzle to the first nozzle and supports the second nozzle;
  • a second balance adjuster installed below the hanger mount and capable of forward and backward movement and advancing to a ladle to which nozzles coupled with the first and second nozzles are connected, and supporting the ladle at a position opposite to the first balance adjuster; It includes;
  • the first balance adjuster may move along the ladle, and the first balance adjuster may include: a nozzle gripping member capable of holding the second nozzle; An arm connected to the nozzle gripping member and capable of moving forward and backward; And a weight that can be installed on the arm at a position opposite to the nozzle gripping member.
  • It is installed under the ladle, and includes a support member capable of supporting the arm.
  • the second balance adjuster may include a horizontal mover that is capable of moving forward and backward with respect to the side of the ladle at a position opposite to the first balance adjuster, and contacts and supports the ladle side when moving forward.
  • the hanger is supported by the hanger holder so that when the ladle is positioned above the mold, the other end of the second nozzle is installed to be inserted into the mold, and the second balance adjusting part covers the upper part of the mold. It is fixedly installed on the top of the cover.
  • the casting facility draws the cast from the mold in a direction perpendicular to the ground.
  • a tundish is installed between the hanger holder and the mold, and the hanger is supported by the hanger holder so that the other end of the second nozzle is inserted into the tundish when the ladle is positioned above the mold.
  • the second balance adjusting unit is fixedly installed on an upper portion of the tundish cover covering the upper portion of the tundish.
  • the hanger is moved to move the hanger to a hanger holder positioned above the mold, wherein the hanger extends upward from the pair of holders and is spaced between two mounting members spaced apart in the width direction of the hanger. Seat one end and the other end of the position.
  • the process of adjusting the balance Force the nozzle holding member in the direction in which the nozzle holding member is positioned by operating a horizontal moving part provided below the hanger holder to move the ladle support member connected to the horizontal moving part toward the ladle to support the side of the ladle. Is added to adjust the ladle, the first and second nozzles to be perpendicular to the ground.
  • the operation of the ladle support member to support the ladle by operating the horizontal moving unit may include: advancing a first moving member connected to the ladle support member to contact the ladle support member and the ladle outer surface; The ladle, the first and the second moving member is connected to the ladle support member and the second moving member is moved forward or backward in a state of contacting the ladle with a second moving member which is finely moved forward and backward relative to the first moving member. And adjusting the second nozzle to be perpendicular to the ground without tilting the second nozzle.
  • the molten steel of the ladle is supplied to the mold by the first nozzle and the second nozzle.
  • a lower portion of the second nozzle is placed inside the tundish located between the hanger holding portion and the mold.
  • the molten steel of the ladle is supplied to the tundish by the first nozzle and the second nozzle in the process of feeding the ladle into the mold.
  • the ladle holder can stably fix the ladle at the same position at all times.
  • the ladle and the nozzle can be disposed so as to be perpendicular to the ground without inclining to either side by the first and second balance adjusting units, so that molten steel can be stably supplied to the mold or tundish.
  • the hanger holder according to the embodiment has a simpler structure than the conventional turret and consumes less power for driving.
  • the first and second balance adjusters have a simple structure compared to the conventional shroud manipulators, which reduces installation space and lowers the cost required for manufacturing and operating the same.
  • FIG. 1 and 2 show a casting installation according to an embodiment of the present invention.
  • FIG. 3A is a front view showing a first nozzle and a second nozzle according to an embodiment of the present invention
  • FIG. 3B is a top view
  • FIG. 3C is an enlarged view for explaining a fastening part for fastening the first nozzle and the second nozzle.
  • FIG. 4 is a top view illustrating a hanger and a hanger holder on which a hanger is mounted according to an embodiment of the present invention.
  • FIG. 2 is a top view as viewed from the top of the second balance adjustment unit according to an embodiment of the present invention
  • FIG. 6 is a view for explaining the operation of the ladle support device according to an embodiment of the present invention.
  • the present invention relates to a casting facility comprising a ladle support device for supporting a ladle containing molten steel for supplying molten steel contained in the ladle into a mold or tundish. More specifically, the ladle containing molten steel at the upper part of the mold or tundish can be stably positioned at the same position at all times, and the nozzle discharging the molten steel of the ladle is perpendicular to the ground without tilting at the upper side of the mold or tundish.
  • a casting installation having a ladle support device adjustable to be disposed.
  • the ladle support device is applied to a semi-continuous vertical casting facility which draws a slab from a mold perpendicular to the ground, casting a thick thick material.
  • the molten steel of the ladle is fed directly into the mold to cast the cast vertically.
  • the molten steel of the ladle is supplied to the tundish, and the molten steel of the tundish is supplied to the mold and cast. It is fed into a mold to cast a cast.
  • the ladle support device is configured to support one ladle.
  • FIG. 1 and 2 is a view showing a casting facility according to an embodiment of the present invention.
  • 3A is a front view showing a first nozzle and a second nozzle according to an embodiment of the present invention
  • FIG. 3B is a top view
  • FIG. 3C is an enlarged view for explaining a fastening part for fastening the first nozzle and the second nozzle.
  • 4 is a top view illustrating a hanger and a hanger holder on which a hanger is mounted according to an embodiment of the present invention.
  • 2 is a top view of the second balance adjusting unit according to the embodiment of the present invention as viewed from above. 6 is a view for explaining the operation of the ladle support device according to an embodiment of the present invention.
  • the casting facility according to an embodiment of the present invention, the ladle (L) in which the refined molten steel is accommodated, the mold (M) to receive and solidify the molten steel from the ladle (L), the mold (M) Mold cover (C) covering the upper side of the), the nozzle (2000) for supplying the molten steel of the ladle (L) to the mold (M), the ladle (L) containing the molten steel is supported, so as to correspond to the upper side of the mold (M) And a ladle support device 1000 for adjusting the ladle L and the nozzle 2000.
  • the casting installation includes a surface plate 10 for drawing the cast piece from the mold M in the vertical direction with respect to the ground, and a surface movement apparatus 20 for moving the surface plate 10 up and down with respect to the ground.
  • the nozzle 2000 has a first nozzle 2100 fixed to the lower part of the ladle L and one end of the nozzle 2000 to supply molten steel of the ladle L to the mold.
  • the second nozzle 2200 is fastened to the nozzle 2100, and the other end is installed to be positioned in the mold M.
  • the first nozzle 2100 is provided at the bottom of the ladle L to correspond to a top nozzle 2110 and a lower side of the top nozzle 2110 installed corresponding to an outlet through which molten steel flows out.
  • a bottom nozzle 2120 installed.
  • a sliding gate 2400 is installed between the top nozzle 2110 and the bottom nozzle 2120, so that communication between the top nozzle 2110 and the bottom nozzle is controlled according to the operation of the sliding gate 2400.
  • the second nozzle 2200 is fastened to the lower part of the first nozzle 2100, that is, the lower part of the bottom nozzle 2120, when the molten steel is supplied to the mold M.
  • the second nozzle 2200 may be referred to as a long nozzle or a shroud nozzle.
  • the fastening part 2300 is provided between the lower part of the first nozzle 2100 and the upper part of the second nozzle 2200, so that the alignment between the first nozzle 2100 and the second nozzle 2200 is misaligned. It is always fastened in the same position without being supported, so that it can be perpendicular to the ground.
  • the fastening part 2300 is a fastening part 2310 formed at any one of a lower part of the first nozzle 2100 and an upper part of the second nozzle 2200, and a fastening part 2310 provided in the other nozzle 2000 to accommodate the protrusion part 2310.
  • Groove 2320 the protrusion 2310 is provided to protrude upward from the upper portion of the second nozzle 2200, and the fastening groove 2320 is provided below the first nozzle 2100.
  • the protrusion 2310 is provided to be located at one side of the hollow part of the second nozzle 2200, and the fastening groove 2320 is also provided to be located at one side of the hollow part of the first nozzle 2100.
  • the protrusion 2310 may be installed below the first nozzle 2100, and the fastening groove 2320 may be provided on the second nozzle 2200.
  • each of the first nozzle 2100 and the second nozzle 2200 is with respect to the ground.
  • the positions of the protrusion 2310 and the fastening groove 2320 are determined.
  • the ladle support device 1000 includes a ladle support unit 100 for supporting the ladle L so that the ladle L can be positioned correspondingly to the upper side of the mold, and the ladle L and the nozzle 2000 at the time of casting.
  • the balance adjusting unit 200 which is arranged to be balanced to be perpendicular to the ground without tilting, and installed on the ladle support unit 100, and includes a weighing means 300 for measuring the weight of the ladle (L) do.
  • the ladle support unit 100 supports the ladle L and is movable to be positioned above the mold M.
  • the hanger 110 and the stopper 130 installed at both edges of the lower part of the hanger 110 and the mold M are provided.
  • the hanger mounting part 120 which supports the hanger 110 so that the ladle L supported by the hanger 110 can be positioned correspondingly to the upper side of the mold M, and one end of the hanger 110 is fixedly installed on the upper side of the cover.
  • ladle gripping means 140 connected to the other end and gripping the other end of the ladle (L).
  • the hanger 110 is formed in a bar shape extending in one direction, and an upper ring 111 to which a moving means such as a crane can be fastened is installed.
  • stoppers 130 are installed at both edges of the lower part of the hanger 110.
  • the stopper 130 has a block shape and serves to be seated at the same position when the hanger 110 is mounted or seated on the hanger holder 120 to be described later.
  • the hanger holder 120 includes a pair of first holders 121 and a pair of first holders, each of which is positioned above the mold M and spaced in a direction crossing or orthogonal to the extending direction of the hanger 110. At each upper portion, a pair of second holders 122 are provided to be spaced apart by a thickness in the width direction of the hanger 110.
  • the first cradle 121 extends in a direction crossing or perpendicular to the extending direction of the hanger 110, and is provided in pairs. In this case, when the hanger 110 is positioned on the pair of first holders, the pair of first holders 121 may be supported on both ends of the pair of first holders 121. It is preferable to be spaced apart so that.
  • the second cradle 122 is installed on each of the pair of first cradles 121, the second cradle 122 is spaced in the extending direction of the first cradle 121 is installed a pair of mounting members facing each other 122a.
  • the hanger 110 is hanger by being seated on the first cradle 121 so that one end and the other end of the hanger 110 is located between the pair of mounting members 122a. It is seated on the holder 120.
  • the stopper 130 is mounted to the lower portion of the hanger 110, so that the stopper 130 is seated on the inner surface of the first holder, so that the hanger can always be seated in the same position.
  • the balance adjusting unit 200 includes a mold cover C below the first balance adjusting unit 210 and the hanger mounting unit 120 that adjust the first nozzle 2100 and the second nozzle 2200 so as not to tilt to either side. It is installed to be seated on the upper side, the second balance adjustment unit 220, which is capable of moving forward and backward with respect to the side of the ladle (L) so as not to tilt to one side, mounted on the lower portion of the ladle (L). And a support member 230 to allow the first balance adjusting unit 210 to be supported in an injured state.
  • a nozzle holding member 212 mounted to the front end and holding the upper portion of the second nozzle 2200 at the time of advancing, and installed below the arm 211 at a position opposite to the nozzle holding member 212, It includes a weight part 213 having a weight of.
  • the arm 211 has a bar shape extending in one direction, and when the nozzle holding member 212 grips the second nozzle 2200 when it is advanced, the arm 211 is ladle ( L) passes through the support member 230 mounted below, and is supported by the support member 230.
  • one side of the support member 230 is opened in a ring shape, and the arm 211 is supported in a manner that is mounted on the ring.
  • the arm 211 according to the embodiment is a hydraulic cylinder type, but is not limited thereto, and may be changed by various means capable of moving forward and backward.
  • the nozzle holding member 212 has a shape opened in the direction in which the second nozzle 2200 is located, for example, the English letter “C” or the Korean letter “c”.
  • the first balance adjusting unit 210 fastens the second nozzle 2200 to the first nozzle 2100 installed under the ladle. That is, when the ladle L containing the molten steel arrives at the casting position, the arm (arm) is held in the state in which the second nozzle 2200 is held or supported by the nozzle holding member 212 of the first balance adjusting unit 210.
  • the first nozzle 2100 and the second nozzle 2200 are fastened to each other so that the upper part of the second nozzle 2200 is positioned corresponding to the lower part of the first nozzle 2100.
  • the second balance adjusting part 220 is installed between the hanger holder 120 and the mold cover C, so that the first balance adjusting part is opposed to the first balance adjusting part 210.
  • the ladle L and the nozzle 2000 are adjusted to be perpendicular to the ground without tilting.
  • the second balance adjusting unit 220 is capable of moving forward and backward and horizontally moving the ladle support member 221 and the ladle support member 221 which support the side surfaces of the ladle when moving forward.
  • the horizontal moving unit 222 which is mounted on the mold cover (C), and includes a fixing unit 223 for supporting the horizontal moving unit 222 on the top.
  • the ladle support member 221 preferably has a shape in which at least an inner side thereof coincides with an outer circumferential surface of the ladle L so as to be in contact with and supported by the side of the ladle L. That is, the inner surface of the ladle support member 221 may have a curvature or bent shape to match the shape of the outer surface of the ladle (L).
  • the ladle support member 221 may be a flat plate having no curvature.
  • One end of the horizontal moving part 222 is connected to the ladle support member 221, a pair of first moving members 222a spaced apart in the width direction of the ladle support member 221, and a pair of first movements.
  • the first moving member 222a may be a roll
  • the first driving member 222b may be a roll guide for moving the first moving member 222a forward and backward.
  • the roll guide extends in the direction in which the ladle support member 221 is positioned, and the first moving member 222a is capable of moving forward and backward along the first driving member 222b.
  • the second moving member 222c and the second driving member 222d may finely control the forward and backward operations compared to the first moving member 222a and the second driving member 222d. It is composed.
  • the second driving member 222d may be in the form of a handle, and the second driving member 222d may be moved forward or backward according to the rotation direction of the second driving member 222d, and the forward and backward distances depending on the amount of rotation. May be the means to be adjusted.
  • the second balance adjusting unit 220 inclines in a direction opposite to the position of the first balance adjusting unit 210.
  • the first and the horizontal moving parts 222 of the second balance adjustment unit 220 are installed.
  • the second moving members 222a and 222c are moved forward to support the ladle L with the ladle support member 221, the ladle L and the pushing force or the supporting force of the horizontal moving part 222 are supported.
  • the nozzle 2000 is balanced without tilting.
  • the ladle support device 1000 is applied to the vertical casting equipment, the ladle (L) correspondingly positioned above the mold (M), and the molten steel of the ladle (L) directly supplying to the mold (M)
  • the present invention is not limited thereto, and a separate tundish may be installed on the upper side of the mold M.
  • the ladle support apparatus 1000 supports the ladle L to correspond to the upper side of the tundish, thereby providing a ladle L. Can be used to supply the molten steel to tundish.
  • the present invention may be applied to a conventional curved casting facility in which a cast piece is drawn in a vertical direction rather than a vertical casting facility, and then drawn in a curved shape.
  • the hanger holder 120 of the ladle support device 1000 may be positioned above the tundish cover covering the upper opening of the tundish, and the second balance adjusting unit 220 may be positioned above the tundish cover.
  • the molten steel refined in the steelmaking process is accommodated, and the ladle L supported on the hanger 110 is transferred to the casting process position by a moving means such as a crane (see FIG. 6A).
  • the second nozzle 2200 is fastened to the first nozzle 2100 as shown in FIG. 6B using the first balance adjusting unit 210. That is, in a state in which the upper part of the second nozzle 2200 is gripped and supported by the nozzle holding member 212 of the first balance adjusting part 210, the arm (1) is installed toward the first nozzle 2100 installed under the ladle L.
  • the arm 211 is moved forward, the protrusion 2310 of the second nozzle 2200 is inserted into the fastening groove 2320 of the first nozzle 2100, and the first nozzle 2100 and the second nozzle 2200 are inserted. ).
  • the protrusion 2310 provided in the second nozzle 2200 is inserted into the fastening groove 2320 of the first nozzle 2100, so that when the first nozzle 2100 and the second nozzle 2200 are fastened,
  • Each of the first nozzle 2100 and the second nozzle 2200 is perpendicular to the ground, and the first nozzle 2100 and the second nozzle 2200 are in a balanced state without being inclined to either side.
  • the arm 211 of the first balance adjusting part 210 is supported on the support member 230 connected to the lower portion of the ladle L, and the weight part 213 is attached to the arm 211. Install).
  • the hanger 110 supported by the ladle L is moved by using the moving means, and as shown in FIG. 6C, the hanger 110 is seated on the hanger holder 120. That is, one end and the other end of the hanger 110 is seated so as to be positioned between the pair of mounting members 122a of the second holder 122 at the upper portion of the first holder 121.
  • the stopper 130 since the stopper 130 is installed below the hanger 110, the stopper 130 may not move to the outside of the first holder 121, and the hanger 110 may be attached to the hanger holder 120. It is always seated in a fixed position. As the hanger 110 is seated on the hanger holder 120, the lower part of the second nozzle 2200 passes through the opening of the mold cover C and is installed in the mold M.
  • the first drive member 222b of the second balance adjusting unit 220 is operated to move the pair of first moving members 222a forward to support the ladle.
  • the member 221 is brought into contact with the side of the ladle (L).
  • the second driving member 222d is operated to finely move the second moving member 222c forward or backward so that the ladle L can be vertically adjusted without being inclined to either side. do.
  • the second balance adjustment unit By applying a force to push the ladle L in the direction in which the first balance adjustment unit 210 is located by 220, the ladle L and the nozzle 2000 are prevented from tilting, and each is perpendicular to the ground. can do.
  • the ladle L and the nozzle 2000 are located correspondingly above the mold M, and when the balance adjustment is completed, casting is started. That is, when the sliding gate 2400 located between the top nozzle 2110 and the bottom nozzle 2120 of the first nozzle 2100 is operated to communicate the top nozzle 2110 and the bottom nozzle 2120, the ladle ( The molten steel of L) is supplied to the mold M through the top nozzle 2110, the bottom nozzle 2120, and the second nozzle 2200. Since the lower part of the mold M is sealed by the surface plate 10 before the molten steel is supplied to the mold M, the molten steel supplied to the mold M is solidified in the mold M.
  • the plate 10 is continuously lowered and moved in the vertical direction with respect to the ground to draw the cast from the mold (M).
  • molten steel is supplied to the mold M until the cast steel of a desired length is cast, and the surface plate 10 is lowered.
  • the sliding gate 2400 is closed to stop the supply of molten steel to the mold M, the cast steel is completely drawn out of the mold M, and then the lowering is stopped to finish the casting.
  • the ladle L may be stably fixed at the same position at all times.
  • the ladle L and the nozzle 2000 can be arranged to be perpendicular to the ground without being inclined to either side by the first and second balance adjusting units 210 and 220, so that the molten steel is formed in the mold M. Or it can be supplied stably with tundish.
  • the hanger holder 120 according to the embodiment has a simpler structure than the conventional turret, and consumes less power for driving.
  • the first and second balance adjusting units 210 and 220 have a simple structure compared to the conventional shroud manipulators, and thus, the installation space is reduced, and the cost is also low.
  • the hanger holder can always stably fix the ladle at the same position.
  • the ladle and the nozzle can be disposed so as to be perpendicular to the ground without inclining to either side by the first and second balance adjusting units, so that molten steel can be stably supplied to the mold or tundish.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)

Abstract

La présente invention concerne un équipement de coulée, comprenant : une poche de coulée destinée à recevoir de l'acier fondu ; un moule solidifiant l'acier fondu fourni de la poche de coulée, de façon à couler une brame ; un dispositif de suspension mobile formé pour s'étendre dans une direction de façon à soutenir la poche de coulée ; un moyen de serrage de poche de coulée formé pour s'étendre dans une direction de telle sorte qu'une extrémité de celui-ci est reliée au dispositif de suspension et l'autre extrémité de celui-ci serre la poche de coulée ; une partie de montage de dispositif de suspension fournie au niveau de la partie supérieure du moule de telle sorte que le dispositif de suspension, par lequel la poche de coulée est soutenue, est monté sur celui-ci, et ainsi la poche de coulée soutenue par le dispositif de suspension est positionnée pour correspondre à la partie supérieure du moule ; et une buse reliée à la partie inférieure de la poche de coulée de façon à décharger l'acier fondu de la poche de coulée. Pour cette raison, selon un aspect de la présente invention, la poche de coulée peut être fixée de façon stable à la même position à tout moment par une plaque de montage de dispositif de suspension et une butée. De plus, la poche de coulée et la buse peuvent être disposées de façon à être perpendiculaires au sol sans pencher vers l'un ou l'autre côté au moyen de première et seconde parties de réglage d'équilibrage, de telle sorte que l'acier fondu peut être fourni de façon stable au moule ou à un panier de coulée.
PCT/KR2016/012589 2015-11-17 2016-11-03 Équipement de coulée et procédé de coulée WO2017086637A1 (fr)

Priority Applications (4)

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ES16866589T ES2763081T3 (es) 2015-11-17 2016-11-03 Equipo de fundición y procedimiento de fundición
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CN108290215A (zh) 2018-07-17
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EP3378582A1 (fr) 2018-09-26
ES2763081T3 (es) 2020-05-27
JP2018532599A (ja) 2018-11-08
EP3378582B1 (fr) 2019-09-25
CN108290215B (zh) 2020-10-20
EP3378582A4 (fr) 2018-10-31
JP6548833B2 (ja) 2019-07-24

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