WO2017047863A1 - 수직형 주조 설비 및 이를 이용한 수직 주조 방법 - Google Patents
수직형 주조 설비 및 이를 이용한 수직 주조 방법 Download PDFInfo
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- WO2017047863A1 WO2017047863A1 PCT/KR2015/011283 KR2015011283W WO2017047863A1 WO 2017047863 A1 WO2017047863 A1 WO 2017047863A1 KR 2015011283 W KR2015011283 W KR 2015011283W WO 2017047863 A1 WO2017047863 A1 WO 2017047863A1
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- WIPO (PCT)
- Prior art keywords
- guide
- mold
- cast
- slab
- surface plate
- Prior art date
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Classifications
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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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1281—Vertical removing
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
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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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
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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
- B22D11/12—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
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1245—Accessories for subsequent treating or working cast stock in situ for cooling using specific cooling agents
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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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
-
- 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
- B22D11/14—Plants for continuous casting
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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
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
Definitions
- the present invention relates to a vertical casting facility and a vertical casting method using the same, and relates to a vertical casting facility and a vertical casting method using the same that can improve the productivity and the error rate.
- Tundish (T) for receiving molten steel supplied from the ladle (L), the molten steel is continuously supplied from the tundish (T), the mold (M) to solidify the molten steel It is possible to lift and lower, is inserted into the mold at the time of casting, by lowering in a state supporting the cast steel (S) solidified in the mold (M), the surface plate 10 for drawing the cast (S) from the mold, And a foot roll 30 for assisting and guiding the drawing of the cast S from the mold M.
- it is located on the upper side of the mold, and includes a heating device for heating the upper portion (top) of the slab (S) to minimize the pipe defects on the upper portion (S).
- molten steel is inject
- the molten steel supplied to the mold M is solidified by the cooling water flowing inside the wall of the mold M.
- the surface plate 10 is lowered in the vertical direction, the cast steel S is drawn out of the mold.
- the slab S having a predetermined length is drawn out of the mold by the lowering plate.
- the present invention provides a vertical casting facility and a vertical casting method using the same that can improve the productivity and the error rate.
- the present invention provides a vertical casting facility and vertical casting method using the same that can vertically cast the cast longer than conventional.
- Vertical casting equipment is a mold for casting a cast by cooling the molten steel; capable of raising and lowering, by lowering in a state supporting the lower portion of the cast cast in the mold, the cast from the mold perpendicular to the ground Plate drawn by; And a guide device positioned at the lower side of the mold and supporting the cast piece drawn from the surface plate to guide the lowering of the cast piece, wherein each of the guide devices is a movement of the surface plate under the mold.
- a plurality of guide rolls disposed in both side directions of the path and supporting the cast pieces moved by the surface plate, and connected to the guide rolls and the guide rolls rotated by the movement of the cast pieces.
- first and second guide parts including a braking unit for applying a braking force to the braking unit.
- Each of the first and second guide parts includes a roll driving unit connected to the guide roll to move the guide roll forward or backward toward a movement path between the cast and the surface plate.
- the roll drive unit may include a support block connected to an end of the guide roll; And a horizontal moving part connected to the support block to apply a forward movement force and a backward movement force.
- Each of the first and second guide parts is positioned between a plurality of guide rolls arranged in the vertical direction, and includes a plurality of nozzles for injecting cooling water toward the cast steel.
- a guide body extending from the lower side of the mold in a direction perpendicular to the ground, the guide body having an inner space in which the cast and the plate move in a direction perpendicular to the ground, and guiding movement of the cast and the plate.
- a guide device wherein the first and second guide parts are installed on one side and the other side of the guide device.
- a first opening is formed on one side surface of the guide body facing the first guide part and spaced apart in the up and down direction, and is spaced apart on the other side of the guide body facing the second guide part in the vertical direction.
- the formed second opening is formed, and the plurality of guide rolls of the first guide part are arranged so as to correspond to the first opening, and move forward and backward to pass through the first opening by the horizontal driving part of the first guide part.
- the plurality of guide rolls of the second guide part are arranged to correspond to the second opening, and move forward and backward to pass through the first opening by the horizontal driving part of the second guide part.
- the guide main body may include: first and second support members each extending in an up-down direction in a direction crossing each of the positions of the plurality of first openings and the plurality of second openings, and facing each other; Each of which extends in a direction intersecting with an extending direction of the first and second support members, and is installed to connect the first and second support members on one side of the first and second support members.
- a plurality of first frames arranged spaced apart in the extending direction of the first and second support members; And extending in a direction intersecting with extending directions of the first and second supporting members, respectively, and being installed to connect the first supporting member and the second supporting member on the other side of the first and second supporting members.
- a plurality of second frames arranged to be spaced apart from each other in the extending direction of the first and second supporting members, wherein a space between the first frame and the first frame is the first opening, The spacing space between the second frames is the second opening.
- the guide device includes a guide member provided on an inner side surface of each of the first and second support members of the guide body so as to extend along an extension direction of the first and second support members.
- a movable trolley capable of lifting up and down along the extending direction of the guide body.
- It is connected with the said moving cart, and includes a surface plate moving device which raises and lowers the said moving cart.
- the moving trolley may include a main body on which the surface plate is seated; A pair of rotatable first sheaves installed to be connected to both side surfaces of the balance body; A pair of second sheaves rotatably installed on one side of each of the pair of first sheaves; And first and second sliding parts mounted on both side surfaces of the trolley body and sliding along the first guide member and the second guide member of the guide device.
- the surface moving device may include: a first winch rotatable on an outer upper portion of the guide device; A first wire wound to connect between the first sheave of the moving trolley and the first winch; A first drum rotatable and wound with a first wire wound around the first winch; A first motor connected to the first drum to rotate the first drum; A second winch rotatably positioned at an outer lower portion of the guide device; A second wire wound to connect between the second sheave of the moving trolley and the second winch; And a second drum rotatable and wound with a second wire wound around the second winch; a second motor connected to the second drum to rotate the second drum.
- An unloading device positioned in an outward direction of the first frame of the guide main body to receive and carry out the cast slab;
- a separating device which is finished casting in an outer direction of the second frame so as to face the carrying device, and separates the slab positioned in the guide main body in the direction in which the carrying device is located from the surface plate.
- the first frame located at the lowermost end is positioned above the upper portion of the carrying out device, and the The lower region of the first frame located at the lowermost end is a space in which the cast slab is carried out from the guide main body.
- the carrying out device receives a cast piece placed in a vertical state from the surface plate and is rotatable in a horizontal state.
- a second stirring device installed outside the guide device around the upper part of the guide device or inside the guide roll to stir the unsolidified molten steel of the cast steel or during casting.
- the vertical casting method comprises the steps of raising the surface plate to close the lower opening of the mold; Supplying molten steel to the mold to cool the molten steel in the mold; Lowering the surface plate in a direction perpendicular to the ground, thereby continuously drawing the slab from the mold; And vibrating the mold; wherein the continuously drawing the cast piece comprises: a plurality of first guide rolls arranged in a direction perpendicular to the ground from the lower side of the mold, and the plurality of first guide rolls below the mold; Lowering the cast slab between a second guide roll positioned to face the first guide roll of the roll; Applying a braking force to each of the plurality of first guide rolls and the plurality of second guide rolls according to a casting speed while the slab lowers the slab between the plurality of first guide rolls and the plurality of second guide rolls. It includes;
- each of the first guide roll and the second guide roll is horizontally moved to adjust the distance between the first guide roll and the second guide roll according to the thickness of the cast steel to be cast,
- the first guide roll is in contact with one side of the cast, and the second guide roll is in contact with the other side of the cast.
- a lower side of the mold is installed extending in a direction perpendicular to the ground, and a guide device having an inner space is provided, and each of one side and the other side of the guide device and the plurality of first guide rolls and second guide rolls;
- a plurality of first openings and second openings are provided so as to correspond, and before drawing the cast from the mold, the first guide roll is horizontally moved to pass through the first opening according to the thickness of the cast, 2
- the guide roll is horizontally moved to pass through the second opening according to the thickness of the cast steel.
- the slab continuously drawn by the surface plate moves to pass through the guide apparatus.
- the heating device is moved between the mold and the first and second guide rolls, and the slab top portion is raised so as to be located between the mold and the first and second guide rolls to raise the heating device. To heat the slab top.
- molten steel can be continuously supplied through a plurality of ladles so that the cast can be vertically cast continuously. That is, conventionally, only the primary casting was performed with the molten steel supplied from one ladle, and the casting was terminated because the casting was unstable when the casting length of the thick cast steel was long, which may lead to an operation accident. In addition, since the unstable movement of the cast steel prevents casting at a constant casting speed, there is a problem that the cast quality is deteriorated.
- 3 and 4 are three-dimensional views showing the guide device and the guide device according to an embodiment of the present invention
- FIG. 5 is a view schematically illustrating a state in which a guide roll of a guide device is correspondingly positioned in a spaced space between a plurality of frames in a direction in which a plurality of frames of a guide device are located;
- FIG. 6 is a view schematically illustrating a state in which the guide rolls and the nozzles of the guide device correspond to the spaced spaces between the plurality of frames in the direction in which the first and second guide members of the guide device are located.
- FIG. 7 is a block diagram illustrating a braking unit according to an exemplary embodiment of the present invention.
- FIG. 8 is a view illustrating the first and second horizontal moving parts connected to the first and second guide rolls according to an embodiment of the present invention, and explaining the operation thereof.
- Figure 9 is a three-dimensional view showing a surface plate and a moving cart for supporting the same according to an embodiment of the present invention
- FIG. 10 is a top view illustrating a fastening relationship between a moving trolley and a guide apparatus according to an embodiment of the present invention.
- 11 to 17 conceptually illustrates a vertical casting method using a vertical casting facility according to an embodiment of the present invention.
- FIG. 2 is a view conceptually illustrating a vertical casting facility according to an embodiment of the present invention.
- 3 and 4 are three-dimensional views showing the guide device and the guide device according to an embodiment of the present invention.
- FIG. 5 is a view schematically illustrating a state in which a guide roll of a guide apparatus is correspondingly positioned in a spaced space between a plurality of frames in a direction in which a plurality of frames of a guide apparatus are located.
- FIG. 6 is a view schematically illustrating a state in which guide rolls and nozzles of a guide device are correspondingly positioned in spaced spaces between a plurality of frames in a direction in which the first and second guide members of the guide device are located.
- FIG. 7 is a block diagram illustrating a braking unit according to an exemplary embodiment of the present invention.
- FIG. 8 is a view illustrating the operation of the first and second horizontal moving parts connected to the first and second guide rolls according to the embodiment of the present invention.
- 9 is a three-dimensional view showing a surface plate and a moving bogie supporting the same according to an embodiment of the present invention.
- 10 is a top view illustrating a fastening relationship between a moving cart and a guide device according to an embodiment of the present invention.
- 11 to 17 are conceptual views illustrating a vertical casting method using a vertical casting facility according to an embodiment of the present invention.
- the vertical casting equipment receives the molten steel from the ladle (L) and temporarily receives the molten steel from the tundish (T), the tundish (T) to temporarily store the molten steel
- the mold M to solidify, the first stirring device 2100 located outside the mold M and agitating the molten steel in the mold M, and the drawing of the cast S from the mold located below the mold M.
- Foot roll 3000 for guiding or assisting, vertically moveable, the direction perpendicular to the ground from the lower side of the surface plate 6000, the mold M and the foot roll 3000 to draw the cast (S) from the mold (M)
- a plurality of guide rolls 5100a and 5100b which are installed so as to extend in the extending direction of the guide device 4000 and the guide device 4000, which are installed to extend in a direction such that the cast steel S and the surface plate 6000 can stably descend.
- a pair of guide portions (5000a, 5000b) having a) is provided so as to face both sides of the guide device 4000, It includes a guide device 5000 to allow the cast (S) to stably lower, spraying the cooling water to the first solidified cast (S) to secondary solidification.
- the vertical casting equipment is installed to support the surface plate 6000 inside the guide device 4000, and is connected to the moving trolley 7000 and the moving trolley 7000, which can be moved up and down in the extension direction of the guide device 4000.
- a surface plate moving device 8000 for providing a driving force for raising and lowering the moving cart 7000.
- the vibration generating device (not shown) which is located outside the mold (M) to vibrate the mold (M), located on one side of the guide device 4000, the cast slab (S) by pushing the cast plate 6000 and Located on the other side of the guide device 4000 so as to face the separating device 9000a and the separating device 9000a to be separated, and vertically supporting the slab S moved by the operation of the separating device 9000a, the horizontal direction And a carrying device 9000b which is rotated to be carried out to the outside.
- the vertical casting installation is installed in the upper part in the lateral direction of the guide apparatus 4000 or a pair of guide part 5000a, 5000b, and cast slab S unsolidified molten steel drawn out from the mold M, or casting during solidification And a second stirring device 2200 for stirring the uncondensed molten steel, and a heating device 2300 for moving between the foot roll 3000 and the guide device 4000 to heat the casted S top area. .
- ladle (L), tundish (T), mold (M), vibration device (not shown), foot roll (3000) is the same as the general casting equipment, so The description is omitted or briefly explained.
- the vertical casting equipment according to the embodiment of the present invention having the above-described configuration is to cast a cast continuously through a plurality of ladles, and to terminate the casting, it may be referred to as a vertical semi-continuous casting equipment.
- the mold M cools and solidifies the molten steel in the liquid phase supplied from the tundish T, and continuously casts the cast steel S having a rectangular cross section.
- a mold M has an inner space and has a cylindrical shape with an upper side and a lower side opened, and the shape of the cross section corresponding to the shape of the slab S to be cast is, for example, a quadrangle. More specifically, the mold M has a pair of short sides and long sides, and forms a space having a rectangular cross section inside.
- the shape of the mold (M) may be modified in various shapes and sizes according to the shape of the cast (S) to be manufactured.
- the 1st stirring apparatus 2100 is installed in the outer periphery of the mold M, and the molten steel in the mold M is stirred.
- the first stirring device 2100 according to the embodiment of the present invention is an electromagnetic stirring means (EMS) for forming a magnetic field in the molten steel to stir the molten steel.
- EMS electromagnetic stirring means
- the initial solidification layer of the cast S is made uniform by the temperature uniformity of the molten steel in the mold M, and the equiaxed crystal in the slab is adjusted. Increase the internal quality.
- the first stirring device 2100 is not limited to the above-described electromagnetic magnetic stirrer (EMS), and various means capable of stirring the molten steel in the mold M are applicable.
- EMS electromagnetic magnetic stirrer
- the surface plate 6000 is inserted into the mold M before casting to close the lower opening of the mold, and after the start of casting, by supporting and lowering the primary solidified cast S in the mold M, the mold M is removed from the mold M. Pull out the cast (S).
- the surface plate 6000 allows some or all of the molten steel to be inserted into the mold M before the molten steel flows into the mold M, and gradually descends when the molten steel enters the mold M and starts to solidify first. Sealing between the air gap between the outer peripheral surface of the surface plate and the inner wall of the mold in the state that the surface plate 6000 is inserted into the mold, when the molten steel flows into the mold, the fine space between the surface plate and the cooling mold Will not leak.
- a specific groove may be formed in the surface plate 6000 so that after the solidification of the cast steel (S) is completed, the drawing of the cast steel and the separation of the cast steel (S) and the surface plate are easy.
- the guide device 4000 extends in the vertical casting direction of the cast steel S from the lower side of the mold M, and the cast steel S, the surface plate 6000, and the moving cart 7000. To move stably.
- the guide device 4000 extends in a vertical direction, and includes a guide body (S), a platen 6000 drawn from a mold, and a guide body having an internal space in which the moving cart 7000 moves in a vertical direction, that is, in an up and down direction. 4100 and an opening formed on the guide body 4100, which are arranged in the vertically extending direction in both side directions of the guide body 4100 facing the pair of guide portions 5000a and 5000b, and are spaced apart from each other. 4200a and 4200b and guide members 4300a and 4300b provided on the inner wall of the guide body 4100 in the vertically extending direction to assist the movement of the moving cart 7000.
- the guide body 4100 is a means for stably moving the cast steel S, the surface plate 6000, and the moving cart 7000 up and down.
- the guide body 4100 has an inner space extending in the vertical direction, and has an open top and bottom sides.
- the guide body 4100 has a shape in which the rough shape of the cross section corresponds to the slab S or the mold M. FIG.
- the guide main body 4100 is a hollow shape whose shape of a cross section is rectangular.
- the guide body 4100 extends in the vertical direction at positions corresponding to both short sides of the mold M or the cast steel S, respectively, and is installed to face each other. Installed at positions corresponding to both the long sides of the members 4100a and 4100b, the mold M, or the cast S, respectively, and intersecting or perpendicular to the extending directions of the first and second supporting members 4100a and 4100b, respectively. And a plurality of first frames 4100c and a plurality of second frames 4100d arranged in the extending direction of the first and second supporting members 4100a and 4100b and spaced apart from each other.
- the space between the first frame 4100c and the first frame 4100c disposed to be spaced apart from each other is a first opening 4200a through which the first guide roll 5100a of the first guide portion 5000a to be described below is passed.
- the second opening 4200b through which the second guide roll 5100b of the second guide part 5000b described later is spaced between the second frame 4100d and the second frame 4100d spaced apart from each other.
- the plurality of first openings 4200a are spaced apart from each other in a vertical direction at positions corresponding to one long side of the mold M or the slab S, and the plurality of second openings 4200b correspond to the other long sides. It is spaced apart to be arranged in the vertical direction at the position.
- a carrying device 9000b is installed at one outside of both long sides of the guide body 4100, and a separation device 9000a is installed at the other outside.
- the separating device is located outside the first frame 4100c of the guide body, and the carrying out device 9000b is located outside the second frame 4100d.
- each of the first and second support members 4100a and 4100b of the guide device 4000 have a “c” shape of a Korean consonant.
- each of the first supporting members 4100a is formed to extend in the vertical direction, and the pair of first supporting members 4120a and 4110a spaced apart in the short side direction of the mold M or the cast steel S, Each is installed to connect between a pair of the first support (4110a, 4120a), and includes a plurality of first connecting members (4130a) spaced apart and arranged in the extending direction of the first support (4110a, 4120a).
- each of the pair of first support 4110a, 4120a is a "a" or "b" of the Hangul consonants. More specifically, each of the pair of first supports 4110a and 4120a corresponds to the first members 4111 and 4121 extending in a direction corresponding to the short side direction of the slab S and the long side direction of the slab S. And second members 4112 and 4122 extending in a direction, and the first members 4111 and 4121 and the second members 4112 and 4122 are connected to each other in a cross orthogonal state. The two first members 4111 and 4121 constituting each of the pair of first supports 4110a and 4120a are spaced apart from each other.
- the second support member 4100b has the same shape and configuration as the first support member 4100a described above.
- a second support member (4100b) is formed extending in the vertical direction, respectively, each of the first support member (4100a) a pair of first supports (4120a, 4110a) with a pair of second supports (4120b installed so as to face the , 4110b, each of which is installed to connect between the pair of second supports 4120b and 4110b, and is arranged in the extending direction of the second supports 4120b and 4110b, and the plurality of second connection members 4130b spaced apart from each other. ).
- each of the pair of second support (4120b, 4110b) is a "a" or "b" of the Hangul consonants. More specifically, each of the pair of second supports 4120b and 4110b corresponds to the first members 4111 and 4121 formed in the direction corresponding to the short side direction of the slab S and the long side direction of the slab S. And second members 4112 and 4122 extending in a direction, and the first members 4111 and 4121 and the second members 4112 and 4122 are connected to each other in a cross orthogonal state. The two first members 4111 and 4121 constituting each of the pair of first supports 4110a and 4120a are spaced apart from each other.
- the separating device 9000a located on one side outside of the guide body 4100 of the guide device 4000 pushes the cast steel S to the other side outward direction of the guide body 4100, It is to be seated in the carrying out device (9000b). That is, the cast slab (S) that is finished casting should be carried out in the other direction of the guide body 4100. Therefore, the plurality of second frames 4100d provided in the other direction of the guide body 4100 in which the carrying device 9000b is located are not installed to be arranged up to the lower portions of the first and second supporting members 4100a and 4100b, and are vertical. It is installed so that it can be arranged up to the upper position of the carrying out device. Accordingly, the lower region of the second lowest frame 4100d of the plurality of second frames 4100d on the guide body 4100 is a space where the cast slab S is separated from the guide device 4000.
- the guide members 4300a and 4300b extend upward and downward inside each of the first and second support members 4100a and 4100b to guide the vertical movement of the moving trolley 7000 supporting the surface plate. That is, the first guide member 4300a is provided inside the first support member 4100a, and the second guide member 4300b is provided inside the second support member 4100b.
- the first and second guide members 4300a and 4300b according to the embodiment may be in the form of a rail, but the present invention is not limited thereto.
- Various means for guiding the movement of the moving cart 7000 may be applied.
- the first guide member 4300a is installed on the pair of first support members 4110a and 4120a constituting the first support member 4100a, and the pair of first members constituting the second support member 4100b is provided.
- the second guide member 4300b is provided on each of the second supports 4110b and 4120b. More specifically, a first guide member is provided on inner surfaces of each of the first members 4111 and 4121 and the second members 4112 and 4122 constituting the pair of first supports 4110a and 4120a, respectively.
- Second guide members 4300b are provided on inner surfaces of the first members 4111 and 4121 and the second members 4112 and 4122 respectively constituting the pair of second supports 4110b and 4120b.
- the guide device 5000 is driven by the surface plate 6000 to support the outer surface of the cast steel S drawn from the mold, to help lower the cast steel S, and to spray cooling water onto the lower cast steel S. Serves to cool the car. 2 to 6, the guide device 5000 according to the embodiment of the guide device to face the first guide portion 5000a and the first guide portion 5000a positioned on one side of the guide device 4000. And a second guide part 5000b positioned at the other side. Each of the first and second guide parts 5000a and 5000b is provided so as to face the first and second frames 4100c and 4100d of the long side of the lowered slab S or the guide device 4000.
- first guide portion 5000a is positioned in a direction opposite to the one long side of the slab S or the first frame 4100c of the guide device 4000, and the other long side or the second frame 4100d of the slab S.
- the second guide portion 5000b is positioned in a direction opposite to the cross-section.
- the plurality of first guide parts 5000a are arranged to be spaced apart from each other in a vertical direction at positions facing the first opening 4200a of the guide device 4000 to support one long side of the descending cast piece S.
- a first roll drive unit 5200a connected to the guide roll 5100a and the plurality of first guide rolls 5100a to facilitate rotation of the first guide roll 5100a and to move horizontally or forward and backward;
- the second guide part 5000b is arranged in the vertical direction at a position opposite to the second opening 4200b of the guide device 4000, and is arranged to be spaced apart and supports a plurality of second guides of the other long side of the lowered slab S.
- the first guide roll 5100a is formed to extend in a direction corresponding to one long side of the mold M or the cast steel S, and is rotatable by the movement of the cast steel S.
- Each of the plurality of first guide rolls 5100a is positioned to correspond to the plurality of first openings 4200a arranged in the vertical direction. That is, the plurality of first guide rolls 5100a are positioned to correspond to the spaced spaces (first openings 4200a) between the plurality of first frames 4100c arranged in the vertical direction.
- the first guide roll 5100a is horizontally moved or moved forward or backward by passing through the first opening 4200a by the first roll driving unit 5200a.
- the second guide roll 5100b extends in a direction corresponding to the other long side of the mold M or the cast piece S, and is rotatable.
- Each of the plurality of second guide rolls 5100b is positioned to correspond to the plurality of second openings 4200b arranged in the vertical direction.
- the plurality of second guide rolls 5100b are positioned to correspond to the spaced spaces (second openings) between the plurality of second frames 4100d arranged in the vertical direction.
- the second guide roll 5100b is horizontally moved or moved back and forth to pass through the second opening by the second roll driving unit 5200b.
- the structure and the structure of the 1st roll drive unit 5200a, the 2nd roll drive unit 5200b, the 1st braking unit 5300a, and the 2nd braking unit 5300b are the same.
- the respective configurations of the first roll driving unit 5200a and the first braking unit 5300a will be described, and the description of the second roll driving unit 5200b and the second braking unit 5300b will be omitted or briefly described. do.
- the first roll drive unit 5200a is connected to the pair of first support blocks 5210a and the pair of first support blocks 5210a connected to one end and the other end of the first guide roll 5100a, respectively, and is horizontally moved. Or a first horizontal moving part 5220a for providing forward and backward driving force.
- the pair of first support blocks 5210a are connected to one end and the other end of the first guide roll 5100a, and a means such as a bearing for smoothly rotating the first guide roll 5100a may be installed therein. have. That is, a bearing is installed in each of the pair of first support blocks 5210a, and one end and the other end of the first guide roll 5100a are installed to be connected to a bearing installed in the first support block 5210a.
- the first support block 5210a covers one end and the other end of the bearing and the first guide roll 5100a connected to the bearing.
- the first and second horizontal moving parts 5220a and 5220b horizontally move the first and second guide rolls 5100a and 5100b according to the thickness of the cast steel S to be cast, and the first guide roll 5100a and The space
- the pair of first horizontal moving parts 5220a are respectively connected to the pair of first supporting blocks 5210a to provide horizontal moving force, that is, forward and backward moving force, to the pair of first supporting blocks 5210a.
- the second horizontal moving part 5220b is connected to the pair of second supporting blocks 5210b, respectively, to provide horizontal moving force, that is, forward and backward moving force, to the pair of second supporting blocks 5210b. .
- each of the first horizontal moving part 5220a and the second horizontal moving part 5220b is connected to the support blocks 5210a and 5210b to enable forward and backward movements of the driving shafts 5121a and 5221b.
- driving sources 5222a and 5222b for moving the driving shafts 5121a and 5221b back and forth.
- the first and second horizontal moving parts 5220a and 5220b are hydraulic cylinders, but are not limited thereto, and various means capable of moving the first and second guide rolls 5100a and 5100b forward and backward. Application is possible.
- the first and second guide rolls 5100a and 5100b support one side and the other side of the cast steel S drawn and lowered from the mold M, and rotate by the force of the cast steel S descending. do.
- the mold is oscillated using a separate vibration device.
- the slab S drawn from the mold M vibrates or shakes in the up and down direction, in which the first and second guide rolls 5100a and 5100b are the slabs S. Since it supports, the slab S slips.
- the shaking of the cast steel S is not controlled at the speed set or set by the casting speed (circle speed) of the cast steel S, and is cast at an unstable or incorrect cast speed. This lowers the surface quality of the cast (S), and becomes a factor of the operation accident.
- the first and second guide rolls 5100a and 5100b rotate by the falling force of the cast steel S to control the rotational force of the cast steel S to prevent shaking.
- 2 A 1st and 2nd braking unit 5300a, 5300b is attached to each of the guide rolls 5100a, 5100b.
- the first and second braking units 5300a and 5300b are hydraulic disc brakes and adjust braking force by adjusting hydraulic pressure.
- the hydraulic pressure and the resulting braking force of the first and second braking units 5300a and 5300b can be appropriately adjusted according to the casting speed and the magnitude of the vibration.
- the first and second braking units 5300a and 5300b are operated to apply predetermined braking force to the first and second guide rolls 5100a and 5100b.
- the rotational force of the second guide rolls 5100a and 5100b is adjusted. Accordingly, the first and second guide rolls 5100a and 5100b do not rotate in synchronization with the falling speed of the surface plate 6000. Accordingly, the first and second guide rolls 5100a and 5100b supporting the slab S have a force on the slab S so as to hinder the vertical movement of the slab S when a shake occurs in the slab S. It will be applied to this, the shake of the cast (S) is prevented.
- each of the first and second braking units 5300a and 5300b is connected to the housing 5310 having an inner space and the guide rolls 5100a and 5100b, so as to be connected to the guide rolls 5100a and 5100b.
- the first and second pads 5330a and 5330b which are spaced apart from each other by the disk 5320 and one side and the other side of the disk 5320 that are rotated together, are installed in the housing 5310, and the first and second pads 5330a.
- 5330b is connected to the rear of each of the first and second pistons 5400a and 5400b for forward and backward movement, connected to the housing 5310, and a supply pipe 5500 for supplying hydraulic oil into the housing 5310. It includes.
- the front of each of the first and second pads 5330a and 5330b, and the front of the first and second pistons 5400a and 5400b are directions in which the disk 5320 is located, and the rear of the first pad and the second pad 5330a and 5330b are opposite directions.
- the supply pipe 5500 is connected to the body to supply oil to the rear of each of the first and second pistons 5400a and 5400b.
- the first and second pistons 5400a and 5400b advance in the disc direction, and thus the first and second braking units 5300a and 5300b move forward.
- the second pads 5330a and 5330b move to contact the disk.
- a braking force is applied to the disk by frictional force, and thus a braking force is applied to the guide rolls 5100a and 5100b connected to the disk. Is applied.
- first and second braking units 5300a and 5300b have been described as hydraulic disc brakes.
- the present invention is not limited thereto, and a braking force is applied to the rotation of the first and second guide rolls 5100a and 5100b.
- it is possible to apply a variety of means that can control the rotation.
- the surface movement device 8000 is a means for raising or lowering the surface plate 6000.
- the surface movement device 8000 according to the embodiment is a driving means using a wire or a wire rope.
- the surface plate moving device 8000 according to the embodiment includes a first drive unit 8000a positioned above the guide device 4000, a second drive unit 8000b positioned below the guide device 4000, and a moving cart ( Winding to connect the first wire W1, the second sheave 7300, and the second driving unit 8000b wound to connect the first sheave 7200 and the first driving unit 8000a installed in the 7000.
- the first drive unit 8000a is installed so as to face each other at an upper outer side of the guide device, and is rotatable, and includes a pair of first winches 8100a and a first wire W1 wound with the first wire W1. ) Is wound, and the rotatable first drum 8300a and the first motor 8300a are connected to the first drum 8300a to provide rotational force.
- the first driving unit 8000a is positioned between the first winch 8100a and the first drum 8300a so that the first wire W1 is wound, is rotatable, and serves to change direction. And an adjusting unit 8200a.
- the pair of first winches 8100a are located at the outer side of the first support member 4100a of the guide body 4100 and the outer side of the second support member 4100b and the first and second support members 4100a and 4100b. It can be installed to face.
- the second drive unit 8000b is installed so as to face each other at the lower outer side of the guide device, and is rotatable, and includes a pair of second winches 8100b and a second wire W2 wound with the first wire W1. ) Is wound, and the rotatable second drum 8300b and the second motor 8300b are connected to the second drum 8300b to provide rotational force.
- the second driving unit 8000b is positioned between the second winch 8100b and the second drum 8300b so that the second wire W2 is wound, rotatable, and serves to change direction.
- an adjusting unit 8200a is installed so as to face each other at the lower outer side of the guide device, and is rotatable, and includes a pair of second winches 8100b and a second wire W2 wound with the first wire W1. ) Is wound, and the rotatable second drum 8300b and the second motor 8300b are connected to the second drum 8300b to provide rotational force.
- the second driving unit 8000b is
- the pair of second winches 8100b may be formed on the outer side of the first support member 4100a of the guide body 4100 of the guide device 4000 and the outer side of the second support member 4100b. It may be installed to face (4100a, 4100b).
- the first drive unit 8000a serves to pull up or loosen the first wire W1 to raise or lower the moving cart 7000
- the second driving unit 8000b is used to raise or lower the moving cart. Accordingly, the second wire W2 has tension or tension, so that the surface plate 6000 and the moving cart 7000 can stably move.
- the first and second driving units 8000a and 8000b are provided with winches as a means for moving the surface plate 6000 by winding or unwinding the wires W1 and W2.
- the first and second drive units 8000a and 8000b are not limited thereto, and various means capable of moving the surface plate 6000, for example, a hydraulic cylinder, may be applied.
- the guide device 5000 includes two guide parts 5000a and 500b, but the present invention is not limited thereto, and the guide device 5000 may further include additional guide parts according to various casting conditions and facility configurations.
- the moving cart 7000 supports the surface plate 6000, is installed inside the guide device 4000, and moves up and down along the extension direction of the guide device 4000 by the surface movement device 8000 described later.
- the moving trolley 7000 includes a trolley body 7100 supporting the surface plate 6000, and first and second supporting members 4100a and 4100b of the guide device 4000. ), A pair of first sheaves 7200, which are installed so as to be spaced apart from each of both sides of the bogie body 7100, are rotatable and the first wire W1 is wound, Among the outer surfaces of the pair of second sheaves 7300 and the moving trolley 7000, which are spaced apart from each other on the first side of the first sheave 7200 and are rotatable and the second wire W2 is wound.
- first and second support members (4100a, 4100b) It is provided on both sides facing the first and second support members (4100a, 4100b), and includes a sliding portion (7400a, 7400b) that can slide on the first and second guide members (4300a, 4300b).
- first and second sheaves 7200 and 7300 are fixedly installed to be connected to the movement guide body 4100, and move together with the lifting and lowering of the bogie body 7100.
- the balance body 7100 preferably has a shape corresponding to the shape of the cross section of the guide device 4000, and may be, for example, a quadrangular shape.
- the bogie body 7100 moves up and down along the guide members 4300a and 4300b provided inside the guide body 4100 of the guide device 4000.
- the first and second guide members 4300a and 4300b that can slide on the outer surfaces facing the first and second support members 4100a and 4100b, and Second sliding parts 7400a and 7400b are provided.
- the first guide member ( The first and second sliding parts 7400a and 7400b are installed at positions corresponding to the 4300a and the second guide member 4300b.
- the moving cart is in the shape of a quadrangle, as shown in FIG. 9, it is provided at four corner positions on one side and the other side.
- the first and second sliding parts 7400a and 7400b installed in the moving cart 7000 are installed to slide each of the first and second guide members 4300a and 4300b. That is, a plurality of first sliding parts 7400a are installed on one side of the moving cart 7000 to slide along the first guide member 4300a provided in the first supporting member 4100a. In addition, a plurality of second sliding parts 7400b are provided on the other side of the moving cart 7000 to slide along the second guide member 4300b provided on the second supporting member 4100b. In other words, the first and second sliding parts 7400a and 7400b are provided at four corners, respectively, on one side and the other side of the moving cart 7000.
- Each of the first and second slide portions 7400a and 7400b includes a first slide member 7171 and a second slide member 7272, wherein the first slide member 7171 is compared to the second slide member 7272.
- the first sliding member 7241 is provided with the first and second guide members provided in the second members 4112 and 4122 constituting the first and second support members 4100a and 4100b, respectively.
- 4300a and 4300b to slide and the second sliding member 7272 is the first and second guide members provided in the first members 4111 and 4121 constituting the first and second support members 4100a and 4100b, respectively. Ride on (4300a, 4300b).
- the first and second slide members 7141 and 7412 may be in the form of a ball, but various means capable of sliding in the guide member may be applied.
- the heating device 2300 reduces the occurrence of pipe defects in the top portion of the slab S by heating the top portion of the slab S and preventing pre-solidification from the top portion of the slab S before carrying out the slab S.
- the heating device 2300 includes a hollow heating body 2310 having an opening through which the slab S can pass, and a heat generator 2320 installed inside the heating body 2310.
- the heating device 2300 according to the embodiment is an induction heating device (EMH; Electro Magnetic Heater), the heating element may be an induction heating coil.
- EMH Electro Magnetic Heater
- the carrying out device 9000b receives the cast S placed in a vertical state from the surface plate 6000 and is rotatable in a horizontal state.
- the carrying out device 9000b extends in a direction intersecting with the first seating portion 9100 and the first seating portion 9100 for supporting and seating the lower portion of the vertical slab S separated from the surface plate 6000.
- a plurality of transport rollers 9300 rotatable in the extending direction of the second seating part 9200 and the second seating part 9200, which are connected to the first seating part 9100 and face the side surfaces of the cast steel S;
- a rotation driving unit 9400 installed to connect between the first seating unit 9100 and the second seating unit 9200 to rotate or tilt the take-out apparatus 9000b.
- the separating device 9000a is located outside the guide device 4000 so as to face the carrying out device 9000b and pushes the cast-end slab S toward the carrying out device 9000b, thereby casting the slab S from the surface plate 600. ).
- the separation device 9000a may be provided in plurality and spaced apart from each other in the vertical direction or the vertical direction with respect to the ground.
- the separating device 9000a according to the embodiment is a hydraulic cylinder, but not limited thereto, and various means capable of separating the slab S from the surface plate 6000 by pushing the slab S toward the position direction. This is applicable.
- the movable cart 7000 is raised through the surface plate moving device 8000, and the bottom plate M is closed by inserting the surface plate 6000 under the mold M, as shown in FIG. . That is, when the first winch 8100a is rotated and the first wire W1 is pulled, the moving cart 7000 and the surface plate 6000 rise, and the surface plate 6000 moves to close the mold lower opening.
- each of the first and second guide rolls (5100a, 5100b) according to the thickness of the slab (S) to be cast By moving forward or backward, the separation distance between the 1st guide roll 5100a and the 2nd guide roll 5100b is adjusted.
- the ladle L in which the molten steel is accommodated is moved to the upper side of the tundish T, and the molten steel of the ladle L is tapped into the tundish.
- the molten steel of the tundish T When the molten steel of the tundish T is supplied to the mold M through the nozzle, the molten steel first solidifies inside the mold M, and starts to solidify on the upper surface 6000. While the molten steel is supplied to the mold M, the first stirring device 2100 located outside the mold M is operated to stir the molten steel in the mold M, and the molten steel is sticking to the inner wall of the mold M. In order to avoid the vibration), the mold is oscillated using a separate vibration device.
- the primary solidified slab S is drawn out from the mold M.
- the cast steel S having a predetermined length is cast (see FIG. 13).
- the primary casting operation continuously supplies molten steel through a plurality of ladles (L).
- the cast steel S was cast by the amount of molten steel supplied from one ladle L, but in the present invention, the cast steel S was continuously cast by the amount of molten steel continuously supplied from two or more ladles L. do.
- the cast (S) cast and drawn from the mold (M) is lowered to pass through the guide device 4000, as shown in Figs.
- the side surface of the cast steel (S) is lowered in a state supported by the first and second guide rolls 5100a and 5100b of the guide device 5000, the first and second by the force that the cast steel (S) moves.
- the guide rolls 5100a and 5100b rotate, and the slab S is secondarily cooled by the cooling water injected from the plurality of first and second nozzles 5400a and 5400b.
- the second stirring device 2200 provided on the outside of each of the first and second guide portions 5000a and 5000b, the pipe solidification is minimized by stirring the unsolidified molten steel of the top portion of the cast steel S.
- the braking units 5300a and 5300b are provided on the first and second guide rolls 5100a and 5100b to prevent shaking of the cast steel S, thereby preventing the shaking of the cast steel S. That is, during casting of the cast steel S, the first and second braking units 5300a and 5300b are operated to apply a predetermined braking force to the first and second guide rolls 5100a and 5100b. The rotational force of the second guide rolls 5100a and 5100b is adjusted.
- the first and second guide rolls 5100a and 5100b supporting the slab S have a force on the slab S so as to prevent the slab S from moving up and down when shaking occurs in the slab S. It will be applied to this, the shake of the cast (S) is prevented. Since the cast steel S, the surface plate 6000 and the moving cart 7000 are lowered to pass through the inside of the guide device 4000, the second winch 8100b supports the second wire under tension of the surface plate. , Stable descent is possible.
- the heating device When the slab S having a desired length is cast by continuous casting supplying molten steel through the plurality of ladles L, as shown in FIG. 15, the heating device is positioned above the guide device 4000. Then, the surface plate and the moving trolley are raised a predetermined distance so that the top portion of the cast steel S is inserted into the opening of the heating apparatus. Thereafter, when the heating device 2300 is operated, the top portion of the slab S is heated, thereby minimizing the pipe defect length of the top portion of the slab S.
- the top portion of the cast steel S is positioned below the first frame 4100c at the bottom of the plurality of first frames 4100c.
- the slab S moves to the carrying-out device 9000b that is standing vertically.
- the transporting device 9000b is tilted so that the slab S is in the horizontal direction, and the transporting device 9000b is transported.
- the cast steel can be continuously cast vertically by supplying molten steel continuously through a plurality of ladles L with a thick cast steel having a thickness of 400 to 1000 mm. That is, the casting of the ultra-thin section slab having a very thick thickness was performed by casting only one primary with the amount of molten steel supplied from one ladle L by the vertical semi-continuous casting machine due to solidification characteristics and quality problems, and the casting was finished.
- the guide device 5000 and the guide device 4000 are installed on the lower side of the mold M, and the braking units 5300a and 5300b are connected to the guide rolls 5100a and 5100b to enable rotational force adjustment.
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Abstract
Description
Claims (26)
- 용강을 냉각시켜 주편을 주조하는 주형;승하강 가능하며, 상기 주형에서 주조된 주편의 하부를 지지한 상태로 하강하여, 상기 주형으로부터 주편을 지면과 수직한 상태로 인발시키는 정반; 및상기 주형의 하측에 위치하여, 상기 정반으로부터 인발된 주편을 지지하여, 상기 주편의 하강을 가이드하는 가이드 장치;를 포함하고,상기 가이드 장치는,각각이 상기 주형의 하측에서, 상기 정반의 이동 경로의 양 측 방향에 배치되어, 상기 정반에 의해 이동하는 주편을 지지하고, 상기 주편의 이동을 가이딩하는 복수의 가이드 롤 및 상기 가이드 롤과 연결되어 상기 주편의 이동에 의해 회전하는 상기 가이드 롤에 제동력을 인가하는 제동 유닛을 구비하는 제 1 및 제 2 가이드부를 포함하는 수직형 주조 설비.
- 청구항 1에 있어서,상기 제 1 및 제 2 가이드부 각각은 상기 가이드 롤과 연결되어, 상기 가이드 롤을 상기 주편 및 정반의 이동 경로를 향해 전진 또는 후진시키는 롤 구동 유닛을 포함하는 수직형 주조 설비.
- 청구항 2에 있어서,상기 롤 구동 유닛은,상기 가이드 롤의 끝단과 연결된 지지 블록; 및상기 지지 블록과 연결되어 전진 이동력 및 후진 이동력을 인가하는 수평 이동부;를 포함하는 수직형 주조 설비.
- 청구항 2에 있어서,상기 제 1 및 제 2 가이드부 각각은 상하 방향으로 나열 배치된 복수의 가이드 롤 사이에 위치하여, 주편을 향해 냉각수를 분사하는 복수의 노즐을 포함하는 수직형 주조 설비.
- 청구항 1에 있어서,상기 주형의 하측에서 지면에 대해 수직한 방향으로 연장 설치되며, 상기 주편 및 정반이 지면에 대해 수직한 방향으로 이동할 수 있는 내부 공간을 가지는 안내 본체를 구비하며, 상기 주편 및 정반의 이동을 안내하는 안내 장치를 포함하고,상기 안내 장치의 일측 및 타측에 상기 제 1 및 제 2 가이드부가 설치되는 수직형 주조 설비.
- 청구항 5에 있어서,상기 제 1 가이드부와 대향하는 상기 안내 본체의 일측면에 상하 방향으로 나열되어 이격 형성된 제 1 개구가 형성되고,상기 제 2 가이드부와 대향하는 상기 안내 본체의 타측면에 상하 방향으로 나열되어 이격 형성된 제 2 개구가 형성되며,상기 제 1 가이드부의 복수의 가이드 롤은 상기 제 1 개구와 대응 위치하도록 나열 배치되어, 상기 제 1 가이드부의 수평 구동부에 의해 상기 제 1 개구를 통과하도록 전, 후진 이동하며,상기 제 2 가이드부의 복수의 가이드 롤은 상기 제 2 개구와 대응 위치하도록 나열 배치되며, 상기 제 2 가이드부의 수평 구동부에 의해 상기 제 1 개구를 통과하도록 전, 후진 이동하는 수직형 주조 설비.
- 청구항 6에 있어서,상기 안내 본체는,각각이 상기 복수의 제 1 개구 및 복수의 제 2 개구의 위치와 교차하는 방향에서, 상하 방향으로 연장 형성되며, 상호 마주보도록 대향 배치된 제 1 및 제 2 지지 부재;각각이 제 1 및 제 2 지지 부재의 연장 방향과 교차하는 방향으로 연장 형성되어, 상기 제 1 및 제 2 지지 부재의 일측에서 상기 제 1 지지 부재와 제 2 지지 부재를 연결하도록 설치되며, 상기 제 1 및 제 2 지지 부재의 연장 방향으로 나열되어 이격 배치된 복수의 제 1 프레임; 및각각이 제 1 및 제 2 지지 부재의 연장 방향과 교차하는 방향으로 연장 형성되어, 상기 제 1 및 제 2 지지 부재의 타측에서 상기 제 1 지지 부재와 제 2 지지 부재를 연결하도록 설치되며, 상기 제 1 및 제 2 지지 부재의 연장 방향으로 나열되어 이격 배치된 복수의 제 2 프레임;을 포함하고,상기 제 1 프레임과 제 1 프레임 사이의 이격 공간이 상기 제 1 개구이고, 상기 제 2 프레임과 제 2 프레임 사이의 이격 공간이 제 2 개구인 수직형 주조 설비.
- 청구항 7에 있어서,상기 안내 장치는 상기 안내 본체의 제 1 및 제 2 지지 부재 각각 내측면에 상기 제 1 및 제 2 지지 부재의 연장 방향을 따라 연장되도록 설치된 안내 부재를 포함하는 수직형 주조 설비.
- 청구항 8에 있어서,상기 안내 본체의 내부 공간에 위치하여, 상기 정반을 지지하며, 상기 안내 본체의 연장 방향을 따라 승하강이 가능한 이동 대차를 포함하는 수직형 주조 설비.
- 청구항 6에 있어서,상기 이동 대차와 연결되어, 상기 이동 대차를 승하강시키는 정반 이동 장치를 포함하는 수직형 주조 설비.
- 청구항 10에 있어서,상기 이동 대차는,상부에 상기 정반이 안착되는 대차 본체;상기 대차 본체의 양 측면과 연결되도록 설치되며 회전 가능한 한 쌍의 제 1 시브;상기 한 쌍의 제 1 시브 각각의 일측에 설치되며, 회전 가능한 한 쌍의 제 2 시브;상기 대차 본체의 양 측면에 장착되어, 상기 안내 장치의 제 1 안내 부재 및 제 2 안내 부재를 따라 활주하는 제 1 및 제 2 활주부;를 포함하는 수직형 주조 설비.
- 청구항 11에 있어서,상기 정반 이동 장치는,상기 안내 장치의 외측 상부에 위치하며, 회전 가능한 제 1 윈치;상기 이동 대차의 제 1 시브와 상기 제 1 윈치 사이를 연결하도록 권취된 제 1 와이어;회전 가능하고, 상기 제 1 윈치에 권취되어 있는 제 1 와이어가 권취된 제 1 드럼;상기 제 1 드럼과 연결되어 상기 제 1 드럼을 회전시키는 제 1 모터;상기 안내 장치의 외측 하부에 위치하며, 회전 가능한 제 2 윈치;상기 이동 대차의 제 2 시브와 상기 제 2 윈치 사이를 연결하도록 권취된 제 2 와이어;회전 가능하고, 상기 제 2 윈치에 권취되어 있는 제 2 와이어가 권취된 제 2 드럼;상기 제 2 드럼과 연결되어 상기 제 2 드럼을 회전시키는 제 2 모터;를 포함하는 수직형 주조 설비.
- 청구항 7에 있어서,상기 안내 본체의 제 1 프레임의 외측 방향에 위치하여, 주조 종료된 주편을 받아 반출시키는 반출 장치;상기 반출 장치와 대향하도록 상기 제 2 프레임의 외측 방향에는 주조 종료되어, 상기 안내 본체 내에 위치하는 주편을 상기 반출 장치가 위치한 방향으로 밀어 상기 정반으로부터 분리하는 분리 장치;를 포함하는 수직형 주조 설비.
- 청구항 13에 있어서,상기 제 1 및 제 2 지지 부재의 연장 방향으로 나열되어 이격 배치된 복수의 제 1 프레임 중, 최하단에 위치한 제 1 프레임이 상기 반출 장치의 상부에 비해 상측에 위치하도록 하여, 상기 안내 본체 중, 상기 최하단에 위치한 제 1 프레임의 하측 영역을 주조 종료된 주편이 상기 안내 본체로부터 반출되는 공간으로 하는 수직형 주조 설비.
- 청구항 13에 있어서,상기 반출 장치는 상기 정반으로부터 수직 상태로 놓인 주편을 전달받아, 수평 상태로 회전 가능한 수직형 주조 설비.
- 청구항 1 내지 청구항 15 중 어느 하나의 항에 있어서,상기 주형의 외측 둘레에 설치되어, 주형 내 용강을 교반시키는 제 1 교반 장치를 포함하는 수직형 주조 설비.
- 청구항 4 내지 청구항 15 중 어느 하나의 항에 있어서,상기 안내 장치의 외측에서 상기 안내 장치의 상부 둘레에 설치되거나, 상기 가이드 롤 내부에 설치되어, 주편 주조 중 또는 주조 완료된 주편의 미응고 용강을 교반하는 제 2 교반 장치를 포함하는 수직형 주조 설비.
- 청구항 4 내지 청구항 15 중 어느 하나의 항에 있어서,상기 주형과 상기 안내 장치 사이로 이동 가능하여,상기 주형으로부터 주편의 인발이 종료된 후, 상기 안내 장치 내 주편의 탑부가 상기 주형과 안내 장치 사이에 위치하도록 상승시켰을 때, 상기 주편 탑부를 가열하는 가열 장치를 포함하는 수직형 주조 설비.
- 정반을 상승시켜, 주형의 하측 개구를 폐쇄하는 과정;상기 주형으로 용강을 공급하여, 상기 주형에서 상기 용강을 냉각시키는 과정;상기 정반을 지면에 대해 수직한 방향으로 하강시켜, 상기 주형으로부터 주편을 연속적으로 인발시키는 과정; 및상기 주형을 진동시키는 과정;을 포함하고,상기 주편을 연속적으로 인발시키는 과정은,상기 주형의 하측에서 지면에 대해 수직한 방향으로 나열된 복수의 제 1 가이드 롤과, 상기 주형의 하측에서 상기 복수의 제 1 가이드 롤과 대향하도록 위치하는 제 2 가이드 롤 사이로 상기 주편을 하강시키는 과정;상기 주편이 상기 복수의 제 1 가이드 롤과 복수의 제 2 가이드 롤 사이로 주편을 하강시키는 동안, 주조 속도에 따라, 상기 복수의 제 1 가이드 롤 및 복수의 제 2 가이드 롤 각각에 제동력을 인가하는 과정;을 포함하는 수직 주조 방법.
- 청구항 19에 있어서,상기 주편이 상기 제 1 가이드 롤과 제 2 가이드 롤 사이를 이동하는 동안, 상기 주편에 냉각수를 분사하는 수직 주조 방법.
- 청구항 19에 있어서,상기 정반을 하강시키기 전에, 상기 제 1 가이드 롤 및 상기 제 2 가이드 롤 각각을 수평 이동시켜, 주조하고자 하는 주편의 두께에 따라 상기 제 1 가이드 롤과 상기 제 2 가이드 롤 사이의 간격을 조절하여, 상기 제 1 가이드 롤이 상기 주편의 일측면에 접촉되고, 상기 제 2 가이드 롤이 상기 주편의 타측면에 접촉되도록 하는 수직 주조 방법.
- 청구항 21에 있어서,상기 주형의 하측에는 지면에 대해 수직한 방향으로 연장 설치되며, 내부 공간을 가지는 안내 장치가 설치되고,상기 안내 장치의 일측면 및 타측면 각각에는 상기 복수의 제 1 가이드 롤및 제 2 가이드 롤과 대응하도록 복수의 제 1 개구 및 제 2 개구가 마련되며,상기 주형으로부터 주편을 인발시키기 전에,상기 제 1 가이드롤을 상기 주편의 두께에 따라, 상기 제 1 개구를 통과하도록 수평 이동시키고,상기 제 2 가이드롤을 상기 주편의 두께에 따라, 상기 제 2 개구를 통과하도록 수평 이동시키는 수직 주조 방법.
- 청구항 22에 있어서,상기 정반에 의해 연속적으로 인발되는 상기 주편은 상기 안내 장치 내부를 통과하도록 이동하는 수직 주조 방법.
- 청구항 19 내지 청구항 23 중 어느 하나의 항에 있어서,상기 주형의 외측 둘레에 설치된 제 1 교반 장치를 동작시켜, 상기 주형 내 용강을 교반시키는 과정을 포함하는 수직 주조 방법.
- 청구항 22 또는 청구항 23에 있어서,상기 제 1 가이드 롤의 일측 및 제 2 가이드 롤의 타측에 위치에 설치되는 제 2 교반 장치를 이용하여, 주조 중에 상기 안내 장치 내부로 이동하는 주편 또는 주조 완료 후 응고중인 주편 내 미응고 용강을 교반시키는 과정을 포함하는 수직 주조 방법.
- 청구항 19 내지 청구항 23 중 어느 하나의 항에 있어서,상기 주편의 주조가 종료되면, 상기 주형과 제 1 및 제 2 가이드 롤 사이로 가열 장치를 이동시키고,상기 주편 탑부가 상기 주형과 제 1 및 제 2 가이드 롤 사이에 위치하도록 상승시켜, 상기 가열 장치를 이용하여 상기 주편 탑부를 가열하는 수직 주조 방법.
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EP15904193.8A EP3351318B1 (en) | 2015-09-16 | 2015-10-23 | Vertical semi-continuous casting equipment and method using it |
ES15904193T ES2838800T3 (es) | 2015-09-16 | 2015-10-23 | Equipo de fundición semicontinua vertical y método de uso |
JP2018512629A JP6736664B2 (ja) | 2015-09-16 | 2015-10-23 | 垂直型鋳造設備及びこれを用いた垂直鋳造方法 |
US15/760,451 US10913109B2 (en) | 2015-09-16 | 2015-10-23 | Vertical semi-continuous casting equipment and vertical semi-continuous casting method |
CN201580083184.5A CN108025351B (zh) | 2015-09-16 | 2015-10-23 | 竖向铸造设备及使用竖向铸造设备的竖向铸造方法 |
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KR20110074153A (ko) * | 2009-12-24 | 2011-06-30 | 주식회사 포스코 | 수직형 주조 장치 및 이를 이용한 주조 방법 |
KR101197850B1 (ko) * | 2011-05-13 | 2012-11-05 | 주식회사 포스코 | 연속 주조용 가이드장치 |
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KR101755400B1 (ko) | 2017-07-27 |
JP2018526225A (ja) | 2018-09-13 |
CN108025351B (zh) | 2020-07-10 |
EP3351318B1 (en) | 2020-10-21 |
US10913109B2 (en) | 2021-02-09 |
AR105272A1 (es) | 2017-09-20 |
US20180250736A1 (en) | 2018-09-06 |
CN108025351A (zh) | 2018-05-11 |
EP3351318A1 (en) | 2018-07-25 |
KR20170032988A (ko) | 2017-03-24 |
EP3351318A4 (en) | 2018-12-05 |
BR112018005160B1 (pt) | 2021-10-13 |
JP6736664B2 (ja) | 2020-08-05 |
BR112018005160A2 (ko) | 2018-10-02 |
ES2838800T3 (es) | 2021-07-02 |
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