Title of Invention Cast equipment and the casting method

Art

[1]

The present invention in that, more specifically, the method according to position the future to the casting position, always that to be located at the same location, to adjust the balance between the ladle and the nozzle casting plant and cast on the casting plant and the casting method It relates.

BACKGROUND

[2]

Typical continuous casting process is a constant cost of the molten steel is received ladle, provide the molten steel from the ladle receives temporarily accommodate the tundish, it is supplied from the shroud nozzle, a tundish for supplying the molten steel from below into the tundish for refining molten steel in the steel making process shape Coagulation was installed, arranged in one direction on the lower side of the mold, a mold for casting a slab, and a plurality of segments to cool the cast steel drawn from the mold.

[3]

Here, according to supply of the molten steel in the tundish below, it utilizes a ladle turret as shown in Korea Laid-Open Patent 2013-0120149. Ladle turret is installed to be connected to both sides of the tower swinging, the swing tower rotationally driven and a ladle that is below the stand are secured to each. According to the ladle turret, by the shift to the original position at the top of the tundish by the rotation of the swing tower by discharging the molten steel into the tundish from below, and subjected to casting in a row.

[4]

Since such a ladle turret but are always advantages that can reliably located at the same position on the upper turn of radish, expensive, can be one hundred tons of below one receiving the molten steel must be rotated, raised and lowered to position the casting position, the power consumption in the process can play a big disadvantage. Further, when the dwell was not a cast steel weeks, casting a cast steel of a predetermined length, a semi-continuous casting to exit the casting, the operation of the ladle turret is described more inefficient factor in terms of power consumption.

[5]

On the other hand, according to supply of the molten steel below a tundish in continuous casting plant, it is an important factor the verticality of the shroud nozzle (nozzle shroud) in order to prevent the molten steel re-oxidation by the air incorporation. Generally shroud nozzle comprises a long nozzle is fastened to the lower part of the ladle nozzle and ladle nozzle connected to the lower part of the sand, supplying the molten steel into the tundish from below. The shroud nozzle will vary the verticality achieve this, the ladle nozzle and the locked position between the long nozzle or long nozzle and ladle nozzle to enter into a long nozzle in the ladle nozzle. That is, the rest time Wood nozzle is to be secured to the ladle nozzle, the shroud nozzle is biased to one side that the array or disturbed, if a misalignment occurs, the problem that the outside air is penetrating through the ladle nozzle and the long nozzle incorporated into the liquid steel It is generated. Thus, when entered into a long nozzle in the ladle nozzle, long nozzles and the need to adjust the vertical or even prevent the shroud nozzle is inclined to one side, in order to adjust the verticality, Korea Patent Publication, as disclosed in the 2013-0075570 use the shroud manipulator. Korea Patent Publication 2013-0075570 manipulator of the former with respect to the long nozzle, located at the lower side of the arm and configured to enable the shroud, the shroud arms backward operation, and can be back and forth with respect to the long nozzle, the grip of the long nozzle is installed in the available grip portion, the lower portion of the shroud arm comprises a driving means of the hydraulic system to before, the backward movement of the gripper.

[6]

However, these manipulators are expensive, and it has a complex structure, it is a problem that requires a large footprint.

Detailed Description of the Invention

SUMMARY

[7]

The present invention provides to position the future to the casting position, to always provide so that they can be located in the same position, and for adjusting the balance of the ladle nozzle and the casting plant and the cast method.

[8]

The present invention is to support the future with a simple structure and arranged in the cast position, there is provided a casting plant and the casting ladle comprises a support device that can balance the ladle and the nozzle.

Problem solving means

[9]

Casting facility according to the present invention the ladle for receiving the molten steel; Mold for solidifying the molten steel received from the ladle to the casting slab; It is formed to extend in one direction, and the support of the future, a movable hanger; Gripping means for the ladle is formed extending in the vertical direction, one end is connected to the hanger and the other end of the grip is the future; Installed on the upper side of the mold, the hanger portion is mounted to the mount below the hanger to a support, so that the support below the hanger position corresponding to the upper mold; And is connected to the lower part of the sand, the nozzle for discharging the molten steel of the below; includes.

[10]

The hanger mounting portion, is formed extending in a direction crossing the extending direction of the hanger, the first holder of the pair of additional amounts of the edge hanger is installed spaced apart from each other so as to be placed thereon; And it is installed so as to extend upwardly from the upper portion of each of the first cradle the pair, and the second cradle of the pair having two spaced mounting member provided with a large gap than a width of the hanger; includes.

[11]

And a pair of stoppers provided on the lower edge of the hanger,

[12]

Stopper of the pair is disposed to be spaced apart by a short distance compared to the spacing of the first holder of the pair in the lower hanger.

[13]

The nozzle in the end is the ladle first nozzle and before, and a second nozzle fastening to the first nozzle connected to, the direction reverse is possible and, if the first nozzle by holding the second nozzle in a first balance adjusting section to enter into the second nozzle in the first nozzle and the support of the second nozzle, is moved; A second balance adjuster that is disposed on the lower side through the hanger parts, available Jean around, and the first and the advances in the ladle is connected to the second nozzle is entered into the nozzle, the support of the future in a position opposite to the first balance adjustment section It includes;

[14]

Said first balance adjusting section is movable along said below, the first balance adjusting section, the nozzle holding member is held in the second nozzle as possible; The nozzle is connected to the gripping member, capable ago, the backward movement arm (arm); And installable weights to the arm (arm) in a position opposite to the nozzle holding members; includes.

[15]

It is installed on the bottom of the sand, and a support member supporting the arm possible.

[16]

It said second balance adjusting section, at a position opposite to the first balance adjusting section to be the former, the backward movement to the side of the future, and includes at the forward parts of the horizontal movement of the support in contact with the side of the ladle.

[17]

Wherein the nozzle located on the first and second protrusions and the other of the nozzles formed in any of the second nozzle part comprises a fastening to the projecting portion having an acceptable coupling groove.

[18]

Is the hanger is supported by the hanger holder and the future are being installed to the other end inserted into the said mold, said second nozzle when positioned on the upper side the mold, and the second balance adjustment section is molded to cover the upper portion of the mold It is securely fixed to the upper cover.

[19]

The casting plant is thereby drawn a cast steel from the mold in a direction perpendicular to the ground.

[20]

And the tundish is disposed between the hanger holder and the mold, the said hanger is supported by the hanger holder, the below are when located above the mold, it is provided such that the other end of said second nozzle is inserted into the tundish and the second balance adjustment element is fixed to the tundish top cover for covering an upper portion of the tundish.

[21]

The process of refining the end of the steel support received below the hanger; The process of fastening the second nozzle in the first nozzle is installed on the bottom of the future; Process by moving the hanger, by mounting the hanger to the hanger portion which is located through the upper mold, so that the below are located above the mold; By the movement of the molten steel of the future through the nozzle the process of supply to the mold; And a step of solidifying the molten steel in the mold and, drawing the slab from the mold; By moving the hanger, in mounting the hanger positioned in a mold upper sineunde through the hanger to the unit, respectively to the first cradle top of the installed spaced apart in a direction corresponding to the extending direction of the hanger pair of ends of the hanger then seated.

[22]

By moving the hanger, in the section through the hanger positioned in a mold upper sineunde through the hanger, and extending to the upper side of the holder upper portion of the pair, the hanger between the spacing of two mounting members provided in the width direction of the hanger the end and the other end thereby to be seated position.

[23]

The process of according to the process of fastening the second nozzles in the first nozzle, the former, holding the second nozzle in a nozzle holding members are movable backward; It is connected to the nozzle holding member before the nozzle holding member, by operating the arm (arm) for reversing, by moving the nozzle holding members to the lower side of the first nozzle, to enter into the second nozzle in the first nozzle process; At a position opposite to the position of the nozzle holding members, the process of installing arm (arm) heavy; includes.

[24]

Process, after the first nozzle and the second nozzle, and after moving the hanger into the mold the upper side, and comprising the step of adjusting the balance of the ladle, the first and second nozzles, adjusting the balance, by a horizontal movement unit operation is installed on the hanger rests the lower side, to a ladle support member connected to the horizontal movement part moving forward face of the future, by ensuring that support the side of the future, the force with which the nozzle holding member position direction and the reaction mixture is above the ladle, the first and second nozzle is adjusted so that it is perpendicular to the ground.

[25]

Process by operating the horizontal movement support members for supporting parts of the ladle of the future, the process of advancing the ladle to move the support member attached to the first moving member, contacting the ladle support member and the outer surface of the ladle; The ladle support is coupled to the member, in a state contacting the first fine-I compared to the first moving member, the backward movable second moving members in the ladle, by the forward or backward the second movable member, the ladle, the first and include; not supporting the second nozzle is inclined, the process of adjustment so that it is perpendicular to the ground.

[26]

To mount the hangers to the sub-mount hanger located above the mold, in the process such that the below are located above the mold, and the lower portion of the second nozzle to be inserted into the mold, the mold of the future in the process of supply to,

[27]

The molten steel of the below the second is supplied to the mold by the first nozzle and second nozzle.

[28]

To mount the hangers to the sub-mount hanger located above the mold, wherein below are a tundish interior located between in said first through the lower is the hanger of the second nozzle and the molding in the process so as to be located on the upper side the mold and to be inserted, in the process of supply to the mold of the future, the molten steel of the below is fed by the first nozzle and the second nozzle in the tundish.

[29]

Casting method by drawing the slab from the mold in a direction perpendicular relative to the ground, cast into a curved vertical casting a cast steel, or while pulled out from the mold the slab in a direction perpendicular to the casting in the horizontal direction.

Effects of the Invention

[30]

According to an embodiment of the present invention, the below by the hanger holder it can always be stably fixed in the same position. Further, the first and second support without the ladle nozzle and by the balance adjusting unit tilted to one side, it is possible to achieve an arrangement vertical to the ground, it is possible to supply the molten steel stably in the mold, or a tundish.

[31]

Hanger holder according to the embodiment is a simple structure compared with the conventional turret, the power consumption of the small for driving. Further, the simple structure as compared with the first and second balancing additional conventional shroud manipulator, reduces the installation space, there is an affordable cost advantages necessary for its manufacture and operation.

Brief Description of the Drawings

[32]

1 and 2 is a diagram showing a casting apparatus according to an embodiment of the present invention

[33]

Figure 3a is a front view illustrating a first nozzle and a second nozzle according to an embodiment of the present invention, Figure 3b is a top view, and Figure 3c is an enlarged, for explaining a fastening for fastening the first nozzle and the second nozzle Degree

[34]

Figure 4 is a top view showing the hanger holder is mounted a hanger and the hanger according to an embodiment of the present invention

[35]

Figure 2 is a top view viewed from the upper side a second balance adjusting section according to the embodiment of the present invention

[36]

Figure 6 is a view for explaining the operation of the ladle support device according to an embodiment of the present invention

Mode for the Invention

[37]

Hereinafter, description will be given of an embodiment of the present invention; However, the present invention is not limited to the embodiments set forth herein will be embodied in many different forms, but the embodiments are the scope of the invention to those skilled in the art, and the teachings of the present invention to complete It will be provided to tell.

[38]

[39]

The present invention relates to a casting plant comprising a supporting device for supporting the ladle below the molten steel received in order to supply the molten steel received in the ladle or tundish into the mold. More specifically, the mold or below the molten steel is received in the tundish top are always to be reliably located at the same position, without supporting the nozzle for discharging molten steel from below inclined from the upper mold or the tundish achieve the vertical to the ground that relates to a casting plant comprising a device capable of adjusting the ladle supporting arrangement.

[40]

Ladle according to an embodiment the support device is to pull out the cast from the mold in the vertical relative to the ground, is applied to the semi-continuous vertical casting plant for casting a thick pole humul thickness. For the semi-continuous vertical address facility in accordance with an embodiment, to directly supply the molten steel in the mold of the future will be the vertical casting a cast steel. In other words, the vertical casting equipment in general curved molten steel from below is supplied to a tundish, a casting by supplying a molten steel of the tundish into the mold, the vertical casting apparatus according to the embodiment is just the molten steel from below through the nozzle to supply a mold and casting a cast steel.

[41]

In addition, a semi-continuous vertical casting plant for, common curved amount of the molten steel is less than required to take up a continuous casting plant. Therefore, the ladle support device according to the embodiment is configured to support the one below.

[42]

[43]

1 and 2 is a diagram showing a casting apparatus according to an embodiment of the present invention. Figure 3a is a front view illustrating a first nozzle and a second nozzle according to an embodiment of the present invention, Figure 3b is a top view, and Figure 3c is an enlarged, for explaining a fastening for fastening the first nozzle and the second nozzle degrees. 4 is a top view showing the hanger holder is mounted a hanger and the hanger according to an embodiment of the invention. Figure 2 is a top view viewed from the upper side a second balance adjusting section according to an embodiment of the invention. 6 is a view for explaining the operation of the ladle support device according to an embodiment of the invention.

[44]

[45]

The following description, for the vertical casting equipment in which to describe the ladle support device according to an embodiment of the present invention, the direct feed of the molten steel below the tundish to the mold without example.

[46]

1 and 2, the casting equipment in accordance with an embodiment of the present invention, the mold (M) to provide received solidifying the molten steel from which the refined molten steel receiving the ladle (L), the ladle (L), the mold (M ) such that the nozzles (2000), by supporting the ladle (L), the molten steel received, the position corresponding to the upper mold (M) for supplying the molten steel in the mold cover (C), the ladle (L) for covering the upper side by the mold (M) of and includes the ladle supporting device 1000 to adjust the balance of the ladle (L) and a nozzle (2000). The casting plant also comprises a platen moving device 20 that moves up and down with respect to the base 10, the base 10 is pulled out of the slab from the mold (M) in a direction perpendicular to the drawing to the drawing.

[47]

A nozzle (2000) is one end first in order to supply the molten steel, the ladle (L) the first nozzle 2100, and the ladle (L) fixed to the lower portion as shown in Figs. 1 and 2 with the mold It is fastened to the nozzle 2100, and a second nozzle 2200 is installed to the other end positioned within the mold (M).

[48]

[49]

The first nozzle 2100 corresponding to a lower side of, the ladle (L) top nozzle (top nozzle) corresponds to the installed in the outlet provided at the bottom portion being molten steel outlet 2110 and a top nozzle 2110. As shown in Figure 3 It includes a nozzle installed in the bottom (bottom nozzle) (2120). Then, the sliding gate 2400 is provided between the top nozzle 2110 and a bottom nozzle 2120, the communication between the top nozzle 2110 and the bottom nozzle are controlled in accordance with the operation of the sliding gate (2400).

[50]

The second nozzle 2200 is that is below the first nozzle 2100, when the molten steel supplied to the mold (M), is fastened to the bottom of the bottom nozzle 2120. Here, the second nozzle 2200 is a long nozzle or shroud may be referred to as a nozzle.

[51]

Article according to enter into a first nozzle 2100 and the second nozzle 2200, the without being first nozzle 2100 and the second nozzle 2200 is inclined to one side, accomplished the balance, must fulfill the normal to the surface do. To the present invention To this end, providing a fastening portion 2300 between the upper portion of the lower portion and the second nozzle 2200 of the first nozzle 2100, the alignment between the first nozzle 2100 and the second nozzle 2200 turn the support is not always fastened to the same position, and to achieve the vertical to the ground.

[52]

It concluded that fastening section 2300 accepts the first nozzle and the one formed protrusions 2310 of the upper portion of the lower portion and the second nozzle 2200 of 2100, and one of the nozzles provided on the (2000) projections 2310 It includes a groove (2320). For example, embodiment, the first protrusion 2310 is provided so as to project upwardly on the upper portion of the second nozzle 2200, the first engaging groove 2320 is provided in the lower portion of the first nozzle 2100. At this time, the projection 2310 is provided to the first position on one side hollow portion of the second nozzle 2200, it is provided with engaging recess 2320, also to be positioned on one side of the hollow portion of the first nozzle 2100.

[53]

Of course, the first, and the projection 2310 provided at the lower part of the first nozzle 2100, the coupling groove may be 2320 is provided at the upper portion of the second nozzle 2200.

[54]

Here, the protrusions 2310 and the coupling groove 2320 has a first nozzle 2100 and the second nozzle, said first nozzle 2100 and a second nozzle 2200 when 2200 has been entered, respectively with respect to the ground while the vertical, a first nozzle 2100 and a second nozzle 2200, when the conditions are balanced without being tilted relative to one side, the position of the projections 2310 and the locking groove 2320 is determined.

[55]

[56]

Ladle support apparatus 1000 comprises a ladle (L) is in either the ladle supporting unit 100, and the ladle (L) and a nozzle (2000) when the casting for supporting the ladle (L) so as to be located corresponding to the upper mold side comprises a balance so as to be able not inclined balance achieve the vertical to the ground arrangement adjustment unit 200, the ladle supporting unit installed on 100, the ladle weighing unit 300 for measuring the weight of the (L) do.

[57]

[58]

Ladle support unit 100 is moveable hanger 110, a stopper 130 is provided on both edges of the lower portion of the hanger 110, the mold (M) so as to be positioned on the upper mold (M) and supporting a ladle (L) is securely fixed to the upper side of the cover, the ladle being supported on a hanger 110 (L) is mounted hanger for supporting a hanger 110 to be positioned corresponding to the upper mold (M) unit 120, one end of the hanger (110 ) and the other end is connected to the ladle it includes a gripping means 140 which is held by the ladle (L).

[59]

The hanger 110 is in bar (bar) shape extending in one direction, the upper portion moving means such as a crane is a ring (111) installed, which can be fastened. And both edges of the lower portion as described above, the hanger 110 is provided with a stopper (130). The stopper 130 is responsible for a block-form, when mounted or secured to the hanger the hanger mounting unit 120 to be 110 to be described later, to be seated in the same position.

[60]

Hanger mounting portion 120 has a first holder of the first holder 121, a pair of a pair of positioned at the upper side of the mold (M) and extension of the hanger (110) spaced apart in the direction and the direction crossing or perpendicular 121 includes a respective pair of second holder 122 is installed to be spaced apart by a depth in the width direction at the top, the hanger 110.

[61]

The first holder 121 is formed extending in the extending direction and the direction crossing or perpendicular to the hanger 110, it is provided as a pair. At this time, the first holder 121, a pair of the hanger 110, a pair of the time the position on the first holder, the both ends of the hanger 110 can be supported on the first holder 121, a pair of so that it is preferable that the installation spacing.

[62]

The second holder 122 has a pair of first holder 121, each mounted to the upper, the second holder 122 is mounted member of the pair is installed so as to face are spaced apart in the extending direction of the first holder (121) and a (122a). According to the second cradle 122 by being mounted on a first holder (121), each one side and the other side end of the hanger 110 is positioned between a pair of mount members (122a), the hanger 110 has a hanger mounted is mounted on the portion 120. In this case, by mounting such that the lower part has become a stopper 130 is mounted, the stopper 130 of the hanger 110 malchak the inner surface of the first holder, so that the hanger can be mounted always at the same position.

[63]

[64]

Balancing unit 200 includes a first nozzle 2100 and a second nozzle a first balance adjusting section 210, the mold cover in the lower hanger mounting portion (120) (C) to (2200) is adjusted so as not to tilt to either side is installed so that seating at the top, the former, can be reverse with respect to the side of the ladle (L), the ladle (L) attached to the lower portion of the second balance adjustment section 220, the ladle (L) for adjusting so that it does not lean to any one side is includes a support member 230 that allows a first balance adjusting section 210 may be supported in a floating state.

[65]

A first balance adjusting section 210 includes a first to a second nozzle 2200 which is located on the lower side of the first nozzle 2100, I, a possible cancer backward movement (arm) (211), arms (arm) (211) is attached to the tip end is provided at the lower part of the nozzle holding members 212, the arm (arm) (211) at a position opposite to the nozzle holding member 212 for holding the top of the second nozzles 2200 at the time of advance, a predetermined of and a weight portion 213 has a weight.

[66]

Arm (arm) (211) is a bar (bar) shape extending in one direction, when the forward nozzle holding members 212 to grip the second nozzles 2200, cancer (arm) (211), the ladle ( L) passes through a support member 230 mounted to the lower portion, it is supported by the support member 230. Here, the support member 230 to the one side opening annular and is supported in such a way arm (arm) (211) is mounted to the ring.

[67]

Arm (arm) in accordance with an embodiment 211 is not limited to a hydraulic cylinder or form, it is possible to change the former, various means capable of reversing.

[68]

Nozzle holding members 212 is "c" shaped geometry of the openings in the direction the second nozzle 2200 is located, for example, English alphabet "C" or Hangul consonants.

[69]

The first balance adjusting section 210 thereby fastening the second nozzle 2200 to the first nozzle 2100 is installed on the ladle bottom. That is, in the molten steel accommodated ladle (L) the gripping or supporting the second nozzle 2200 to the nozzle holding member 212 of a first balance adjusting section 210. When you arrive at the casting position, the arm (arm) ( 211) to move forward, to the top of the second nozzles 2200 to be positioned corresponding to the lower portion of the first nozzle 2100, thereby interlocking the first nozzle 2100 and the second nozzle 2200.

[70]

When this happens the first second nozzle 2200 is secured to the nozzle 2100, and install the heavy cancer (arm) (211). At this time, by the weight of the heavy object, cancer (arm), and the rotational moment is generated which tries to constantly rotated, so that the force the ladle (L) and a nozzle (2000) is inclined in a direction opposite to the first balance adjusting section is generated .

[71]

Therefore, in the embodiment of the present invention hanger mounting unit 120 and the mold cover (C) by installing a second balance adjusting section 220 between the first balance adjustment section 210 and the first balance adjusting section in the opposite direction to 210 to give a pressing force in the direction, but not the ladle (L) and a nozzle (2000) and inclined angles to the vertical relative to the ground.

[72]

This, the second balance adjustment section 220 as shown in Figure 5, before and backward is the neunghamyeo, moving the ladle supporting member 221, the ladle support member 221 for supporting the side of the future when the forward horizontal which is secured to the horizontal movement part 222, the mold cover (C), and a fixing portion 223 which supports the horizontal movement part 222 at the top.

[73]

Ladle support member 221 is preferably shaped to conform to the outer peripheral surface of the ladle (L) side and in contact, at least not easy to its inner surface a ladle (L) of. I.e., it may be the inner surface of the curvature or bend to conform to the shape of the outer surface of the ladle (L) of the ladle-shaped support member 221. The The present invention is not limited to, the ladle support member 221 may be of flat plate having no curvature.

[74]

Horizontal movement part 222 is coupled to a respective one ends ladle support member 221, the ladle supporting a pair of first moving members installed spaced apart in the width direction of the member 221 (222a), the first mobile pair of before the member (222a), the backward movement of a pair of first drive member (222b), the second moving member connected to a pair of the located between a first moving member (222a) one end of the ladle support member 221 to ( 222c), the second member before the movement (222c), and a second drive member (222d) of the backward movement.

[75]

Here, may be a first moving member (222a) is a roll (roll) may be a first drive member (222b) is a guide roll around which, the backward movement of the first moving member (222a). Roll guide is formed extending in the direction in which the ladle support member 221 is located, the first moving member (222a) is capable of before and backward movement along the first drive member (222b). In addition, the second moving member (222c) and the second drive member according to the embodiment (222d) is to, possible fine adjustment of the former, the reverse operation as compared to the first moving member (222a) and a second drive member (222d) It is configured. To this end, the second drive member (222d) may be a handle type, and a second drive member (222d) of the second and the forward or backward depending on the rotational direction of the drive member (222d), before according to the amount of rotation, the reverse distance the means may be adjusted.

[76]

[77]

This second balance adjustment section 220 described above, first, when the heavy object in the arm (arm) (211) of balance adjusting section 210 is installed, the first giuljineun the position and the direction opposite to the balance adjustment section 210 described above to, and achieve the normal to the support to balance without the ladle (L) and a nozzle (2000) when tilted or prevented. That is, the first and of the first balance adjusting section 210 of the arm (arm) when 211 parts by weight 213 is installed on, or, a second balanced horizontal movement part 222 of the adjuster 220 is then provided a second moving member (222a, 222c) to move to, the ladle support member 221 when supporting the ladle (L) to the ladle (L) by the pressing force or the supporting force of the horizontal movement part 222 and the forward a nozzle (2000) without being balanced is tilted.

[78]

[79]

Example In the example that the ladle supporting device 1000 the corresponding position and, directly supply the molten steel in the ladle (L) in a mold (M) for vertical casting is applied to a plant, the ladle (L) in the upper mold (M) the described example. However, not limited to this, and can be turned separately dish provided on the upper mold (M), this time, the ladle support apparatus 1000 to support the ladle (L) is to be positioned corresponding to the upper tundish, the ladle (L) the molten steel can be supplied to the tundish. Further, another example, while drawing a cast non-vertical casting equipment in the vertical direction, can be applied to the conventional curved type casting plants for drawing into a curved shape. To this end, the ladle support apparatus 1000 hanger mounting portion 120 of is located in the upper tundish cover that covers the top opening of the tundish, and the second balance adjustment section 220 may be located above the tundish cover.

[80]

[81]

Hereinafter, with reference to FIG. 1 to FIG. 6 to be described the casting process according to an embodiment of the present invention.

[82]

Refining the molten steel in the steel making process is completed is received, the ladle (L) supported on the hanger 110 is transferred to the molding process position by the moving means such as a crane (see Figure 6a). Then, the first enter into the second nozzle 2200 to the first nozzle 2100 as shown in Figure 6b by using a balance adjustment section 210. The That is, the arm toward the first balance adjusting section 210, the nozzle holding members 212 to the second nozzle 2200, the first nozzle 2100, in holding the upper part, a supported state, installed in the lower ladle (L) of the ( arm) to move the 211 forward, the by inserting the protrusions 2310 of the second nozzles 2200 to the coupling groove 2320 of the first nozzle 2100, the first nozzle 2100 and a second nozzle (2200 ) to be fastened. At this time, the time is, by inserting the protrusions 2310 provided in the second nozzle 2200 to the coupling groove 2320 of the first nozzle 2100, the first nozzle 2100 and the second nozzle 2200 is concluded, the the while perpendicular to each of the ground first nozzle 2100 and a second nozzle 2200, the first nozzle 2100 and the second nozzle 2200 is a state in balance without being relatively inclined to one side. Then, the ladle on the first arm (arm) (211) of balance adjusting section 210, risking to be supported, and a weight portion on said arm (arm) (211) (213 support member 230 connected to the (L) lower ) install.

[83]

Then, by moving the ladle (L) is not the hanger 110 by the moving means, then, as illustrated in Figure 6c, seating the hanger 110 is mounted to the hanger unit 120. That is, the seat, each ends of the hanger 110 is positioned between the first on top of the first holder 121, a second mounting member of the pair of the holder (122) (122a). At this time, since the stopper 130 is provided at the lower part of the hanger 110, not the stopper 130 can be moved to the outside of the first holder 121, the hanger 110 Hanger mounting portion 120 always seated in a certain position, it is mounted. And the hanger 110 is installed as a hanger secured to the mounting portion 120, the lower portion of the second nozzle 2200 is positioned in a mold (M) through the opening of the mold cover (C).

[84]

The hanger 110 when secured to the hanger mounting part 120, the second is moved forward a first drive member the first moving member by one pairs of operating a (222b) (222a) of the balance adjustment section 220, the ladle support and the member 221 so as to be supported in contact with the ladle (L) side. Then, by operating the second drive member (222d) if necessary, the second to finely moving element (222c), the forward or backward by, ladle fine adjustment (L) so that is perpendicular to not inclined to one side do. Thus, the first by weight by parts by weight (213) of balance adjustment section 210, even if the first position and opposite to or inclined to a position facing the power of balance adjusting section 210, generating a second balance adjusting section ( by applying a pressing force to the ladle (L) by 220) in the direction of the first balance adjusting section 210 is located, and to prevent the ladle (L) and a nozzle (2000) is inclined, respectively, achieve a perpendicular to the surface can do.

[85]

Thus, the ladle (L) and a nozzle (2000) is located corresponding to the upper mold (M), After the balancing, the casting starts. That is, by operating the sliding gate positioned between the first nozzle top nozzle of 2100, 2110 and a bottom nozzle 2120 (2400), when communicating the top nozzle 2110 and a bottom nozzle (2120), the ladle ( the molten steel of L) is supplied to the top nozzle 2110, bottom nozzle 2120, the mold (M) through a second nozzle 2200. Before supplying the molten steel into the mold (M) the mold (M) is lower because it is closed by the surface plate 10, the molten steel supplied to the mold (M) is solidified in the mold (M). Then, the platen 10 is lowered by moving in a row in a direction perpendicular to the drawing is drawing the slab from the mold (M). At this time, the supply of molten steel into the mold (M) state in the longitudinal side until the casting aiming and lowering the base (10). When the main goal of the length piece casting, sliding to close the gate (2400) to stop the molten steel supplied to the mold (M), and stop the fall completely before drawing the slab from the mold (M), to end the casting.

[86]

This can be by mounting the hanger unit 120 and the stopper 130 according to the embodiment of the invention, be always stably fixed on the same position of the ladle (L). Further, the first and second balance adjusting section 210, the ladle (L) and a nozzle (2000) is not inclined to one side, it is possible to place achieve the normal to the surface, the mold (M) to the molten steel by or it can be stably supplied to the tundish. In addition, through the hanger according to the embodiment unit 120 it is a simple structure compared with the conventional turret, the power consumption of the small for driving. Further, the simple structure as compared with the first and second balance adjusting section 210, a conventional shroud manipulator, reduces the installation space, there is an affordable advantage that cost.

Industrial Applicability

[87]

According to the casting plant and the casting method according to the present invention, the below by the hanger holder can always be stably fixed in the same position. Further, the first and second support without the ladle nozzle and by the balance adjusting unit tilted to one side, it is possible to achieve an arrangement vertical to the ground, it is possible to supply the molten steel stably in the mold, or a tundish.

Claims

[Claim 1]

Solidifying the molten steel received from the ladle mold for casting a cast steel;; ladle for receiving the molten steel is formed to extend in one direction, and the support of the future, a movable hanger; is formed extending in the vertical direction, one end connected to said hanger and the other end the ladle holding means for holding said below; is installed on the upper side of the mold, the hanger of the future will not be mounted, the hanger portion for mounting to the support below the hanger to be positioned corresponding to the upper mold; And is connected to the lower part of the sand, the nozzle for discharging the molten steel of the below; casting plant comprising a.

[Claim 2]

The method according to claim 1, wherein said hanger mounting portion, is formed extending in a direction crossing the extending direction of the hanger, the first holder of the pair of additional amounts of the edge hanger is installed spaced apart from each other so as to be placed thereon; And it is installed so as to extend upwardly from the upper portion of each of the first cradle the pair, and the second cradle of the pair having two mounting member provided spaced greater distance than the width of the hanger; casting plant comprising a.

[Claim 3]

The method according to claim 2, further comprising a pair of stoppers provided on the edge of the hanger lower, casting stopper of the pair is to be installed to be spaced apart by a short distance compared to the spacing of the first holder of the pair in the hanger lower equipment.

[Claim 4]

A method according to any one of claims 1 to 3, wherein the nozzle comprises a second nozzle fastening the one end the first nozzle and the first nozzle connected to said ladle, before, can be the reverse, and the second by holding the nozzle by moving the first direction the first nozzle is located, enter into the second nozzle in the first nozzle and a first balance adjusting section for supporting the second nozzle; is installed on the lower side through the hanger portion, front and rear Gene possible, and advances to the ladle 1 and the second nozzle is connected to a fastening nozzle, a second balance adjusting section for supporting said below in a position opposite to the first balance adjusting section; casting plant comprising a.

[Claim 5]

The method according to claim 4, wherein the first balance adjusting section is movable along said below, the first balance adjusting section, the nozzle holding members can grip of the second nozzle; is connected to the nozzle holding members, around, the backward movement the possible cancer (arm); And installable weights to the arm (arm) in a position opposite to the nozzle holding members; casting plant comprising a.

[Claim 6]

The method according to claim 5, is installed on the bottom of the sand, foundry equipment comprising a support member supporting the arm possible.

[Claim 7]

The method according to claim 6, wherein the second balance adjusting section, wherein the first balanced before and possible backward movement on the side of the future at a position opposite to the adjusting unit, a horizontal movement of the support in contact with the ladle side at the time of forward portion Foundry equipment included.

[Claim 8]

The method according to claim 5, the casting equipment, including the first nozzle and the second located on the projections and the other of the nozzles formed in any of the nozzle is fastened to the projecting portion having an acceptable engaging groove portion.

[Claim 9]

The system according to claim 7, is the hanger is supported by the hanger rests, when the future will be located above the mold, the other end of said second nozzle is provided for insertion into said mold, the second balance adjusting section of the mold Foundry equipment that is securely fixed to the upper mold cover covering the top.

[Claim 10]

The method according to claim 9, wherein the casting is a casting plant facility for drawing the slab from the mold in a direction perpendicular to the ground.

[Claim 11]

The system according to claim 7, the tundish is disposed between the hanger holder and the mold, the said hanger is supported by the hanger holder, the below are when located above the mold, wherein said tundish other end of the second nozzle is provided to be inserted into the second balance adjusting section casting plant is securely fixed to the tundish top cover for covering an upper portion of the tundish.

[Claim 12]

The process of the refining is finished steel supporting accommodated below the hanger; the hanger to the hanger portion mounted to move to the hanger, positioned in the mold upper side; the process of fastening the second nozzles in the first nozzle is installed on the bottom of the future to go through the step of causing the future are located above the mold; the process of moving the molten steel of the future through the nozzle supply to the mold; In a direction in sineunde in part by moving the hanger, through the hanger positioned in a mold the upper side through the hanger, corresponding to the direction of extension of the hanger; and and solidifying the molten steel in the mold, the process of drawing the slab from the mold casting method for mounting one end and the other end of each of the hanger to the first cradle top of the installed spaced pairs.

[Claim 13]

The method according to claim 12, by moving the hanger, in mounting the hanger positioned in a mold upper sineunde mounted to the hanger in part, extends to the upper side of the holder upper portion of the pair spaced installed two mounted in the width direction of the hanger casting method for mounting such that the position ends of the hanger between the members.

[Claim 14]

The method according to claim 13, wherein in the process of fastening the second nozzles in the first nozzle, the former, the nozzle holding members are backward movement possible the process of holding the second nozzle; is connected to the nozzle holding members the nozzle holding members the former, by operating the arm (arm) for reversing, by moving the nozzle holding members to the lower side of the first nozzle, the process of fastening the second nozzles in the first nozzle; as opposed to the position of the nozzle holding members casting methods including; in position, during the installation of the arm (arm) heavy.

[Claim 15]

The method according to claim 14, after the first nozzle and the second nozzle, and after moving the hanger in the mold side, the ladle, the first and comprising the step of adjusting the balance of the second nozzle, the balance the process of adjustment is, by the horizontal movement unit operations is installed on the hanger rests the lower side, to a ladle support member connected to the horizontal movement part moving forward face of the future, by ensuring that support the side of the future, the nozzle holding members applying a force in a position direction, the ladle, the first and the casting method of the second nozzle is adjusted so that it is perpendicular to the ground.

[Claim 16]

The method according to claim 15, comprising the steps of: by operating the horizontal movement part is the ladle supporting member for supporting said below is moved forward to move the first moving member connected to the ladle supporting member, contacting the ladle support member and the outer surface of the ladle the process of; coupled to the ladle support member, in a state where the first contact a finely ago, the backward movable second movable member relative to the first moving member in the ladle, by the forward or backward the second movable member, the ladle, first and second nozzles is not inclined, the process of adjustment so that it is perpendicular to the ground; casting method including the.

[Claim 17]

The method according to claim 16, by mounting the hanger to the hanger portion mounted located above the mold, in the process such that the below are located above the mold, and the lower portion of the second nozzle to be inserted into the mold, in the process of supply to the mold of the future, methods of casting the molten steel of the below is supplied to the mold by the first nozzle and second nozzle.

[Claim 18]

The method according to claim 16, by mounting the hanger to the hanger portion mounted located above the mold, wherein below are between in the process so as to be located on the upper side the mold, the lower portion of said second nozzle through the hanger and the molding and located to be inserted into the tundish, in the process of supply to the mold of the future, methods of casting the molten steel of the below supplied by the first nozzle and the second nozzle in the tundish.

[Claim 19]

The method according to claim 17 or claim 18, to pull out the cast from the mold in a direction perpendicular relative to the ground, the vertical casting of cast steel, or while from the mold pull-out of the cast slab in a direction perpendicular to the curved casting in a horizontal direction casting method of casting.