JP5164313B2 - Steel making equipment and ladle transport method - Google Patents

Description

  The present invention relates to a steel making facility and a ladle conveying method.

Conventionally, the molten steel produced from the converter is placed in a ladle and transported to a secondary refining facility by a steel receiving cart, and after the refining treatment is performed again in the secondary refining facility, it is transported to a continuous casting facility. It is common to be done.
For example, as shown in Patent Document 1, a ladle containing molten steel produced from a converter is placed on a steel receiving cart and conveyed from the converter to a crane station located near the secondary refining equipment. It is lifted by the station crane, transferred from the steel receiving cart to the processing cart, and conveyed to the secondary refining equipment by the processing cart.

When the ladle that has reached the crane station is lifted by the crane, the ladle loaded on the steel bogie is loaded with an empty ladle and returned to the converter again. And cycle through the crane station.
JP 2002-256329 A

In conventional steelmaking facilities, the crane at the crane station can transfer the ladle mounted on the steel trolley to the processing cart, for example, transfer the ladle mounted on the processing cart to another processing cart, Work such as lifting a ladle containing treated molten steel and transporting it to a continuous casting facility, or lifting and draining an empty ladle after continuous casting is completed and transporting it to a ladle maintenance facility And so on.
Therefore, the steel truck that has reached the crane station must wait at the crane station until the crane finishes the other work and the crane lifts the ladle mounted on the steel truck. Since it takes time to return to the furnace, the converter must wait for the molten steel to be output until the steel receiving carriage returns. As a result, the number of steel charges in the converter decreases, There was a problem that the operation rate decreased.

  Then, an object of this invention is to provide the steelmaking equipment and ladle conveyance method which can perform the operation of a converter efficiently in view of the said problem.

In order to achieve the above object, the present invention has taken the following measures. That is, technical means for solving the problems in the present invention include a converter, a secondary refining facility, and a steel receiving cart for carrying out a ladle containing molten steel extracted from the converter, from the converter, A processing cart that carries the ladle carried out into the secondary refining facility, and has a transit cart that once receives the ladle placed on the steel trolley, and then transports the received ladle to the processing cart The ladle loaded on the steel trolley is placed by the first laying means and the first laying means for laying the ladle placed on the steel trolley on the relay trolley to deliver the ladle of the steel trolley to the relay trolley. A second loading means for replacing the ladle from the relay truck to the treatment carriage, and an empty ladle that is returned from the continuous casting facility to the steel receiving carriage from which the ladle has been removed by the first loading means. upon conveying the ladle using a steelmaking facility for chromatic and pot mounting means, before The ladle placed on the steel trolley by the first transposing means is transposed to the relay truck, the relay cart is moved toward the processing cart, and the ladle placed on the relay truck by the second transposing means It is in the point to transfer to a processing cart .
If the inventor can return the steel receiving cart from the converter to the secondary refining equipment as soon as possible, the converter will immediately wait for the refining to finish without waiting for the steel receiving cart to return. Considering that molten steel can be removed, the ladle placed on the steel receiving carriage is replaced with a relay truck, the relay carriage is moved toward the treatment carriage, and the ladle placed on the relay carriage is replaced with the treatment carriage. By doing so, it was possible to quickly return the steel receiving cart to the converter. In other words, by providing a relay cart that once receives the ladle mounted on the steel receiving cart, the steel receiving cart can immediately return to the converter and receive the molten steel from the converter immediately after refining. The converter can be operated efficiently.

By this,受鋼truck, the relay truck, delivery of the ladle between the processing truck becomes smooth,受鋼truck it is possible to return to the converter as soon as it is equipped with an empty pot.

Another means of the present invention includes a converter, a secondary refining facility, a steel receiving cart for carrying out a ladle containing molten steel extracted from the converter, and a ladle carried out. and a processing carriage for carrying the next refiner, said loaded was ladle受鋼carriage when reloaded to the processing carriage, have a temporary station for temporarily temporary ladle placed on the受鋼carriage And a temporary placing means for temporarily placing the ladle of the steel receiving cart in the temporary placing station, and an empty ladle returned from the continuous casting facility to the steel receiving cart with the ladle removed by the temporary placing means. upon conveying the ladle using a steelmaking facility for chromatic and empty pan mounting means for mounting, temporarily placed a loaded was ladle to the受鋼carriage by the temporary means temporary station, and temporarily placed The ladle is transferred to the processing cart.
The inventor temporarily placed the ladle placed on the receiving steel cart at the temporary placement station and temporarily placed it as a way to return the steel receiving cart from the converter to the secondary refining equipment as soon as possible. The ladle can be quickly returned to the converter by installing the ladle on the treatment cart. In other words, by temporarily placing the ladle mounted on the steel receiving cart at the station, the steel receiving cart can immediately return to the converter and receive the molten steel from the converter immediately after refining, The converter can be operated efficiently.

By this, it can be temporarily placed smoothly in the temporary placement station the ladle placed on受鋼truck,受鋼truck it is possible to return to the converter as soon as it is equipped with an empty pot.
The other means of the present invention is to carry out the ladle containing the molten steel discharged from the converter with a steel receiving carriage, place the carried ladle on the processing carriage, and process the loaded ladle with the above treatment. In the ladle transport method in which the trolley is carried into the secondary refining equipment, the ladle placed on the steel trolley is replaced with a relay cart, the relay cart is moved toward the processing cart, and the relay cart is moved. The ladle placed on is replaced with a processing cart.

According to this, the steel receiving cart can immediately return to the converter and receive the molten steel coming out of the converter immediately after finishing the refining, and can efficiently operate the converter.
The other means of the present invention is to carry out the ladle containing the molten steel discharged from the converter with a steel receiving carriage, place the carried ladle on the processing carriage, and process the loaded ladle with the above treatment. In the ladle transport method in which the trolley is carried into the secondary refining equipment, the ladle placed on the steel trolley is temporarily placed on a temporary placement station, and the temporarily placed ladle is placed on the treatment trolley. It is in the point made.

According to this, the steel receiving cart can immediately return to the converter and receive the molten steel coming out of the converter immediately after finishing the refining, and can efficiently operate the converter.
The most preferred configuration of the present invention is as follows.
The present invention includes a converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, a transfer station installed on the first track, and the converter A crane station installed on the terminal side of the first track opposite to the first track, a second track installed between the crane station and the secondary refining equipment, and traveling on the first track and A steel receiving cart for carrying out a ladle containing molten steel discharged from the converter from the converter, and a first ladle that receives the ladle that can travel on the first track and is placed on the steel receiving cart. And a ladle carriage that is transported toward the terminal end of the machine, and a ladle of the steel receiving carriage that is installed at the transfer station and reaches the transfer station is lifted and temporarily held, and the held ladle is mounted on the relay carriage. A lifter to be placed and replaced, An empty ladle mounting station that is provided on the track and is provided between the converter and the transfer station, and that is equipped with an empty ladle returned from a continuous casting facility to a steel receiving cart from which the ladle has been removed by the lifter. A first crane that is installed so as to be able to run on the crane station and that lifts a ladle of a relay carriage that has reached the end of the first track and transports it toward the second track, and can run on the second track. When the ladle is transported using a steel making facility having a processing cart that receives the ladle transported by the first crane and transports it to the secondary refining facility, the ladle containing the molten steel is mounted. The step of moving the steel receiving cart to the transfer station and the relay cart to the transfer station, and the ladle of the steel receiving cart that has reached the transfer station are A step of removing the ladle of the steel receiving cart once received by the machine, a step of moving the steel receiving cart from which the ladle has been removed by the lifter to an empty pan mounting station, and a steel receiving cart from which the ladle has been removed A step of mounting an empty ladle at an empty ladle loading station, a step of moving a steel receiving carriage loaded with the empty ladle from an empty pan loading station to a converter, and the replacement station A step of transferring the ladle once received by the lifter to the relay cart reached, a step of moving the relay cart to which the ladle has been transferred toward the crane station, and the crane station, And a step of replacing the ladle placed on the relay carriage by the first crane with the treatment carriage .
The present invention also provides a converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, and a terminal end side of the first track that is opposite to the converter. A crane station installed on the lower side of the crane station and on a terminal side of the first track, and a crane station installed between the crane station and the secondary refining equipment. 2 tracks, a steel receiving cart for carrying out a ladle containing molten steel that has traveled on the first track and discharged from the converter, and is installed in the temporary storage station. A lifter that lifts and temporarily holds the ladle of the steel trolley that has reached the position, and is provided between the converter and the temporary placement station on the first track, and is disposed by the lifter Steel stand that has been removed An empty ladle loading station that mounts an empty ladle returned from the continuous casting facility and a ladle that is installed so as to be able to run on the crane station and temporarily placed on the temporary placing station is lifted toward the second track. A ladle using a steel making facility having a first crane that conveys the ladle and a treatment cart that receives the ladle transported by the first crane and is transported to the secondary refining facility. When transporting, the step of moving the steel receiving cart loaded with the ladle containing the molten steel to the temporary placement station, and the temporary placement of the ladle of the steel receiving cart reached the temporary placement station by the lifter Temporarily placing the ladle on the station, moving the steel receiving cart from which the ladle has been removed by the lifter to the empty ladle loading station, and removing the ladle A step of mounting an empty ladle at the empty ladle loading station on the received steel carriage, a step of moving the steel receiving cart loaded with the empty ladle from the empty pan loading station to the converter, And a step of replacing the ladle temporarily placed on the temporary placement station by a first crane onto a processing cart.
The present invention also includes a converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, a transfer station installed on the first track, A crane station installed on the terminal side of the first track opposite to the converter, a second track installed between the crane station and the secondary refining equipment, and the first track. A steel receiving cart for carrying out a ladle containing molten steel produced from the converter and a ladle capable of traveling on the first track and placed on the steel receiving cart once receiving the ladle. A relay cart transported toward the end side, and a ladle of a steel receiving cart installed at the replacement station and reaching the replacement station are lifted and temporarily held, and the held ladle is placed on the relay cart. And the first gauge An empty ladle mounting station that is provided between the converter and the transfer station, and that mounts an empty ladle returned from the continuous casting facility to the steel receiving cart from which the ladle has been removed by the lifter; A first crane that is installed so as to be able to travel in the crane station and that lifts a ladle of a relay carriage that has reached the end of the first track and transports it toward the second track, and is capable of traveling on the second track. And a processing cart that receives the ladle transported by the first crane and transports the ladle to the secondary refining facility.
The present invention also provides a converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, and a terminal end side of the first track that is opposite to the converter. A crane station installed on the lower side of the crane station and on a terminal side of the first track, and a crane station installed between the crane station and the secondary refining equipment. Two tracks, a steel receiving cart for carrying out a ladle containing molten steel produced from the converter by traveling on the first track, and steel receiving installed at the temporary placement station and reaching the replacement station A lifter that lifts the ladle of the carriage and temporarily holds it for temporary placement, and is provided on the first track between the converter and the temporary placement station, and the ladle removed by the lifter. Continuous casting on steel cart An empty ladle loading station for loading an empty ladle returned from the equipment, and a ladle that is installed so as to be able to travel on the crane station and temporarily placed on the temporary placement station is lifted and conveyed toward the second track. It has a 1st crane and the processing trolley which can drive | work the said 2nd track | truck and receives the ladle conveyed with the 1st crane, and conveys it to the said secondary refining equipment, It is characterized by the above-mentioned.

  ADVANTAGE OF THE INVENTION According to this invention, the operation of a converter can be performed efficiently and the efficiency of operation of the whole steelmaking equipment can be improved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1-3 has shown the steelmaking equipment and ladle conveyance method of 1st Embodiment of this invention.
As shown in FIG. 1, the steel making facility 1 </ b> A includes a converter 2, a secondary refining facility 3, a continuous casting facility 4, and a ladle maintenance facility 5.
The converter 2 is for decarburizing the hot metal, and the molten steel that has been decarburized is discharged from the converter 2. The molten steel discharged from the converter 2 is accommodated in an empty ladle 7, and the ladle 7 in which the molten steel is accommodated is carried out of the converter 2 by a steel receiving cart 8.

Hereinafter, for convenience of explanation, the ladle 7 containing molten steel is referred to as a receiving steel pan 9 and the empty ladle 7 not including molten steel is referred to as an empty pan 10.
Between the converter 2 and the secondary refining equipment 3, a linear first track 12 extending in the vertical direction in FIG. The first track 12 is composed of rails.
A place in the middle of the first track 12 is an empty pan mounting station 20, and a place closer to the terminal side of the first track 12 than the empty pot mounting station 20 is a transfer station 21. A traveling rail 11 that is substantially orthogonal to the first track 12 is disposed on the terminal side of the first track 12 (secondary refining equipment 3 side), and the first crane 14 can travel on the traveling rail 11. . This area of the traveling rail 11 is called a crane station 13.

In the traveling rail 11, when one end side intersecting the terminal end of the first track 12 is an upstream side and the other end side away from the upstream side of the traveling rail 11 is a downstream side, the traveling rail 11 extends along the traveling rail 11 from the upstream side to the downstream side. In other words, the secondary refining equipment 3 and the continuous casting equipment 4 are sequentially arranged along the crane station 13.
The secondary refining equipment 3 is for refining the molten steel produced from the converter 2, and a second track 15 that is substantially orthogonal to the traveling rail 11 is laid between the secondary refining equipment 3 and the crane station 13. ing. The second track 15 is composed of rails.

On the first track 12, the steel receiving cart 8 and the relay cart 16 can travel, and on the second track 15, the processing cart 17 can travel.
The steel receiving cart 8 reciprocates on the first track 12 from the converter 2 to the transfer station 21, and carries the steel receiving pan 9 from the converter 2 between the converter 2 and the transfer station 21. The empty pan 10 is conveyed to the converter 2.
The relay carriage 16 reciprocates on the first track 12 from the transfer station 21 to the crane station 13, and after receiving the steel receiving pan 9 placed on the steel receiving carriage 8 at the replacement station 21 once. The steel pan 9 is transported to the crane station 13.

The transfer station 21 is provided with first transfer means 22 for transferring the steel receiving pan 9 placed on the steel receiving cart 8 to the relay cart 16. The first transfer means 22 is constituted by a lifter, and the lifter 22 is disposed on the first track 12 in the transfer station 21. The lifter 22 is configured to hold the steel receiving pan 9 and lift the steel receiving pan 9 on the steel receiving cart 8, hold the lifted steel receiving pan 9 once and place it on the relay cart 16.
The first crane 14 of the crane station 13 is a second transfer means for transferring the steel receiving pan 9 from the relay carriage 16 to the processing carriage 17.

The first crane 14 moves on the traveling rail 14 from the upstream side to the downstream side. The first crane 14 lifts the steel pan 9 on the relay carriage 16 on the terminal end side of the first track 12 and moves to the terminal end of the second track 15. Then, the steel pan 9 suspended at the end of the second track 15 can be transferred to the processing carriage 17. Further, the first crane 14 can lift the steel receiving pan 9 on the processing carriage 17 at the end of the second track 15 and convey it to the continuous casting facility 4.
The treatment carriage 17 reciprocates on the second track 15 of the secondary refining equipment 3 from the crane station 13, and the steel receiving pan 9 is subjected to the secondary refining between the crane station 13 and the secondary refining equipment 3. The steel receiving pan 9 that has been carried into the equipment 3 or has undergone secondary refining is transported to the crane station 13.

In the empty pan mounting station 20, a traveling rail 18 that is substantially orthogonal to the first track 12 is disposed, and a ladle maintenance facility 5 is disposed on one end side of the traveling rail 18 that is farthest from the first track 12. . The second crane 24 can travel on the traveling rail 18. The empty pot mounting station 20 is provided with empty pot mounting means for mounting the empty pot 10.
The empty pan mounting means is constituted by the second crane 24, and transports the empty pot 10 maintained by the ladle maintenance facility 5 from the ladle maintenance facility 5 to the empty pan mounting station 20.
The second crane 24 reciprocates from the ladle loading station 20 to the ladle maintenance facility 5. The second pan 24 carries the empty pan 10 out of the ladle maintenance facility 5, and the empty pan is transferred to the steel receiving cart 8 at the empty pan loading station 20. 10 is mounted.

Between the ladle maintenance facility 5 and the continuous casting facility 4, there is provided a transportation means including a crane or a carriage (not shown) for returning the empty pot 10 emptied by the continuous casting facility 4 to the ladle maintenance facility 5. ing.
As described above, according to the steelmaking facility 1A, as shown in FIG. 1, the steel receiving pan 9 that has been extracted from the converter 2 is placed on the steel receiving cart 8 and conveyed from the converter 2 to the transfer station 21. At the transfer station 21, the load is temporarily transferred to the relay carriage 16 and conveyed to the crane station 13. Then, the steel receiving pan 9 on the relay truck 16 is lifted by the first crane 14, replaced with the processing carriage 17, and carried into the secondary refining equipment 3. The molten steel that has undergone the secondary refining is placed in the steel receiving pan 9, transported again to the crane station 13 by the processing cart 17, lifted by the first crane 14, and transported to the continuous casting facility 4.

The molten steel in the receiving pan 9 is cast in the continuous casting equipment 4, and the empty pan 10 emptied in the continuous casting equipment 4 is returned to the ladle maintenance equipment 5 and maintained, and the maintained empty pot 10 is the second one. The crane 18 transports the ladle from the ladle maintenance facility 5 to the empty pan mounting station 20, and the empty pan 10 is placed on the steel receiving cart 9 and conveyed to the converter 9.
Next, the ladle conveying method for conveying the ladle in the steel making facility 1A will be described in detail with reference to FIGS. FIG. 6 shows a Gantt chart in the ladle conveying method, line A in FIG. 6 shows the movement of the steel receiving carriage 9, and line B in FIG. 6 shows the movement of the relay carriage 16.

FIGS. 2 (a) and 3 (a) show a state where the converter 2 is discharging the molten steel (tapping steel). Before the converter 2 discharges the molten steel, the steel receiving is performed. The carriage 8 is mounted with an empty pan 10 and is located on the steel exit side of the converter 2 (the start end side of the first track 12) (P1 in FIG. 6). The relay truck 16 is on the secondary refining equipment 3 side (the end side of the first track 12) (P2 in FIG. 6).
FIGS. 2 (b) and 3 (b) show a state after about 2 minutes from the completion of the dispensing, and when the dispensing is completed, the steel receiving cart 8 passes through the empty pan mounting station 20 and is replaced. It moves to the lifter 22 of the station 21 and stops, and the lifter 22 lifts the steel receiving pan 9 on the steel receiving cart 8 (C in FIG. 6). At this time, the relay carriage 16 moves toward the transfer station 21 (D in FIG. 6).

2 (c) and 3 (c) show a state after about 6 minutes from the completion of the dispensing, and the lifter 22 lifts the steel receiving pan 9 and the steel receiving pan 9 on the steel receiving cart 8 is removed. Then, the steel receiving cart 8 makes a U-turn at the transfer station 21 and moves toward the empty pan mounting station 20 (E in FIG. 6). At this time, the second crane 24 hangs the empty pot 10 and moves to the empty pot mounting station 20 on the first track 12 in order to place the empty pot 10 on the steel receiving carriage 8 at the empty pot mounting station 20.
FIGS. 2 (d) and 3 (d) show the state after about 9 minutes from the completion of the payout, and when the steel receiving cart 8 reaches directly below the second crane 24 located in the empty pan mounting station 20. Then, the second crane 24 places the empty pan 10 on the steel receiving cart 8 (F in FIG. 6). At substantially the same time as when the steel receiving cart 8 receives the empty pan 10 from the second crane 24, the relay cart 16 that has been directed to the transfer station 21 arrives on the lifter 22, and the lifter 22 receives the steel receiving pan. 9 is transferred to the relay cart 16 (G in FIG. 6).

  FIGS. 2 (e) and 3 (e) show a state about 11 minutes after the completion of the dispensing, and the steel receiving cart 8 that has received the empty pan 10 moves from the empty pan mounting station 20 to the converter 2. It moves toward and stops at the outgoing steel side of the converter 2 (H in FIG. 6). The relay cart 16 that has received the steel pan 9 moves toward the crane station 13 (processing cart 17) (I in FIG. 6). When the relay truck 16 arrives at the crane station 13, the first crane 14 lifts the steel pan 9 on the relay truck 16, and then moves toward the second track 15 (processing cart 17). 17 is replaced with the steel receiving pan 9 (J in FIG. 6).

According to the above, the steel receiving pan 9 is passed from the steel receiving cart 8 to the relay cart 16 so that the steel receiving cart 8 converts the steel converter 9 about 11 minutes after the steel receiving pan 9 is unloaded from the converter 2. It is possible to return to 2, and if the time from the end of steelmaking in the converter 2 to the start of molten steel start (finishing of refining) is 19 minutes, the steel receiving cart 8 will convert the converter before the next steelmaking begins. You can go back to 2.
That is, according to the steelmaking facility 1A and the ladle transport method, the steel receiving cart 8 is received during refining in the converter 2 by replacing the steel receiving pan 9 placed on the steel receiving cart 8 with the relay cart 16. The steel pan 9 can be taken out and returned to the converter 2, and the molten steel produced by the converter 2 can be immediately received.

4 and 5 show a steel making facility according to a second embodiment of the present invention. Compared to the first embodiment, the steel making facility 1B does not have the relay carriage 16 and the replacement station 21, but instead has a temporary placement station 25.
The temporary placement station 25 temporarily places the steel receiving pan 9 placed on the steel receiving cart 8 and is provided on the terminal side of the first track 12. That is, the temporary placement station 25 is provided at a position overlapping with the crane station 13 on the terminal end side of the first track 12 (on the travel line of the first crane 14), and the steel receiving pan 9 temporarily placed on the temporary placement station 25 is disposed. The first crane 14 can be lifted.

The temporary placement station 25 is provided with temporary placement means 26 for temporarily placing the steel receiving pan 9 of the steel receiving cart 8 on the temporary placement station 25. The temporary placement means 26 is constituted by a lifter, and the lifter 26 is disposed on the first track 12 in the temporary placement station 25.
Next, the ladle conveyance method which conveys a ladle with the steelmaking equipment 1B is demonstrated using FIG.
FIG. 5A shows a state where the converter 2 is discharging (melting steel) the molten steel. When the converter 2 discharges the molten steel, the steel receiving cart 8 is an empty pan 10. Is placed on the steel exit side of the converter 2 (the start end side of the first track 12).

FIG. 5B shows a state after about 5 minutes from the completion of the payout. When the payout is completed, the steel receiving cart 8 passes through the empty pan mounting station 20 and reaches the temporary placement station 25. When the steel receiving cart 8 reaches the temporary placement station 25, the lifter 26 lifts the steel receiving pan 9 of the steel receiving cart 8. At this time, the second crane 24 hangs the empty pot 10 and moves toward the empty pot mounting station 20 on the first track 12 in order to place the empty pot 10 on the steel receiving carriage 8 at the empty pot mounting station 20.
FIG. 5 (c) shows a state about 13 minutes after the completion of the payout. The steel receiving pan 9 of the steel receiving cart 8 is lifted by the lifter 26, and the steel receiving pan 9 on the steel receiving cart 8 is shown. Is removed, the steel receiving cart 8 makes a U-turn at the temporary placement station 25, moves toward the empty pan mounting station 20, and stops when it reaches just below the second crane 24 located at the empty pan mounting station 20. The empty pan 10 suspended by the second crane 24 is placed on the steel receiving cart 8.

FIG. 5 (d) shows a state about 15 minutes after the completion of the dispensing, and the steel receiving cart 8 that has received the empty pan 10 moves from the empty pan mounting station 20 toward the converter 2, Stop at the steel exit side of the furnace 2.
Then, the first crane 14 lifts the steel receiving pan 9 temporarily placed in the temporary placing station 25, then moves toward the second track 15 (processing cart 17), and places the steel receiving pan 9 on the processing cart 17. Replace.
According to the above, when the steel receiving pan 9 placed on the steel receiving cart 8 is replaced with the processing cart 17, the steel receiving pan 9 on the steel receiving cart 8 is temporarily placed in the temporary placing station 25. The steel cart 8 can return to the converter 2 approximately 15 minutes after the steel receiving pan 9 is unloaded from the converter 2, and in the same manner as in the first embodiment, the molten steel starts from the end of the steel output of the converter 2. Assuming that the time until the start of steel production (end of refining) is 19 minutes, the steel receiving cart 8 can return to the converter 2 before the next steel production begins.

That is, according to the steelmaking facility 1B and the ladle 7 conveying method, the ladle 7 placed on the steel receiving cart 8 is temporarily placed on the temporary placement station 25, and the temporarily placed ladle 7 is placed on the processing cart 17. By doing so, the steel receiving cart 8 can unload the steel receiving pan 9 during refining in the converter 2 and return to the converter 2 so that the converter 2 can immediately receive the molten steel to be output. it can.
The present invention is not limited to the above embodiment. In the above embodiment, the first transfer means 22 and the temporary placement means 26 are configured by lifters, but may be configured by cranes.
Moreover, although the position of the transfer station 21 or the empty pan mounting station 20 is not specifically limited, it is preferable to provide these at a position as close to the outgoing steel side of the converter 2 as possible.

  In addition, the relay carriage 16 is not limited to the self-propelled type, and may be configured by a method of traveling by another power source such as a locomotive.

It is a plane schematic diagram of the steelmaking equipment in a 1st embodiment of the present invention. It is a side surface transition diagram which shows transition of conveyance of a ladle. It is a plane transition diagram which shows transition of conveyance of a ladle. It is a plane schematic diagram of the steelmaking equipment in a 2nd embodiment of the present invention. . It is a plane transition diagram which shows transition of conveyance of a ladle. It is a Gantt chart which shows a ladle conveyance method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Steelmaking equipment 2 Converter 3 Secondary refining equipment 4 Continuous casting equipment 7 Ladle 8 Receiving cart 9 Receiving pan 10 Empty pan 14 First crane (2nd transfer means)
16 Relay cart 17 Processing cart 22 First loading means 24 Empty pan mounting means 25 Temporary placement station 26 Temporary placement means

Claims (4)

A converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, a transfer station installed on the first track, and a side opposite to the converter A crane station installed on the terminal end side of the first track, a second track installed between the crane station and the secondary refining equipment, and traveling from the converter to the converter. A steel receiving trolley for carrying out a ladle containing molten steel from the converter, and a ladle capable of traveling on the first track and placed on the steel trolley once received on the end side of the first track. The relay cart transported toward the transfer station, and the ladle of the steel receiving cart that has been installed at the transfer station and has reached the transfer station is lifted and temporarily held, and the held ladle is placed on the relay cart and placed. On the first orbit What is provided between the recombinant station put the converter, and an empty pan mounting station for mounting an empty ladle returned from the continuous casting facilities受鋼truck ladle is tought by the lifter, the A first crane that is installed to be able to run on a crane station and that lifts a ladle of a relay carriage that has reached the end of the first track and transports it toward the second track; and a first crane that can run on the second track When transporting the ladle using a steel making facility having a processing cart that receives the ladle transported by the crane and transports it to the secondary refining facility ,
Moving the steel receiving carriage loaded with the ladle containing the molten steel to the replacement station, moving the relay truck to the replacement station, and removing the steel receiving truck that has reached the replacement station; The pan is once received by the lifter and the ladle of the receiving steel cart is removed; the steel cart where the ladle is removed by the lifter is moved to an empty pan mounting station; and the ladle is removed A step of mounting an empty ladle on the steel receiving carriage at the empty pan mounting station, a step of moving the steel receiving cart loaded with the empty ladle from the empty pan mounting station to the converter, and the mounting The step of handing the ladle once received by the lifter to the relay truck that has reached the replacement station, and the relay truck to which the ladle has been delivered And moving toward the lane station, the crane station, ladle transport method characterized in that comprises the steps of reloaded to ladle the processing carriage which carries the relay truck, the the first crane. A converter, a secondary refining facility, and a first track installed from the converter toward the secondary refining facility,
A crane station installed on the terminal end side of the first track opposite to the converter, a temporary station installed on the terminal side of the first track below the crane station, and the crane A second track installed between a station and the secondary refining equipment, and a steel receiving cart for carrying out a ladle containing molten steel that has traveled on the first track and is discharged from the converter. A lifter that is installed at the temporary placement station and that lifts the ladle of the steel receiving cart that has reached the temporary placement station and temporarily holds the ladle for temporary placement; and on the first track, the converter is provided between the temporary station, and an empty pan mounting station for mounting an empty ladle returned from the continuous casting facilities受鋼truck ladle is tought by the lifter, the crane stationing The first crane that lifts the ladle that is installed so as to be able to travel and that is temporarily placed at the temporary placement station and conveys the ladle toward the second track, and the take-up that can travel on the second track and is conveyed by the first crane. When transporting the ladle using a steelmaking facility having a processing cart that receives the pan and transports it to the secondary refining facility ,
A step of moving a steel receiving cart loaded with a ladle containing molten steel to the temporary placement station; and a temporary placement of the ladle of the steel receiving cart that has reached the temporary placement station at the temporary placement station by a lifter And a step of moving the steel tray with the ladle removed by the lifter to an empty pan mounting station, and mounting an empty ladle at the empty pan mounting station on the steel tray with the ladle removed A step of moving the steel receiving cart loaded with the empty ladle from the empty pan loading station toward the converter, and a processing cart using the first crane for the ladle temporarily placed in the temporary placing station A ladle transporting method comprising: a step of transferring to a ladle. A converter, a secondary refining facility, and a first track installed from the converter toward the secondary refining facility,
Between the transfer station installed on the first track, the crane station installed on the terminal side of the first track opposite to the converter, and between the crane station and the secondary refining equipment A second track installed; a steel carriage that carries the ladle containing molten steel produced from the converter by running on the first track; and a steel tray that can run on the first track. A relay cart that once receives the ladle placed on the first rail and transports the ladle toward the terminal end of the first track, and lifts the ladle of the steel cart that is installed at the transfer station and reaches the transfer station. A lifter that holds and holds the ladle placed on the relay carriage, and is placed on the first track and between the converter and the transfer station, and the ladle is removed by the lifter. Was An empty ladle mounting station for mounting an empty ladle returned from a continuous casting facility to a steel carriage, and a relay ladle ladle installed so as to be able to travel on the crane station and reaching the end of the first track. A first crane for transporting toward the second track, and a processing cart that receives the ladle transported by the first crane and that can travel on the second track and transports the ladle to the secondary refining facility. Steelmaking equipment characterized by that. A converter, a secondary refining facility, a first track installed from the converter toward the secondary refining facility, and a crane station installed on the terminal side of the first track opposite to the converter A temporary placement station installed on a lower side of the crane station and on a terminal side of the first track, a second track installed between the crane station and the secondary refining facility, The steel receiving cart that carries the ladle containing the molten steel produced from the converter by running on one track and the ladle of the steel receiving cart that has been installed in the temporary storage station and has reached the replacement station are lifted. A lifter that is temporarily held and temporarily placed; and a continuous casting facility on the first steel track, between the converter and the temporary placement station, and the steel receiving cart with the ladle removed by the lifter. Returned from An empty ladle mounting station on which an empty ladle is mounted, a first crane that is installed so as to be able to travel on the crane station and that is temporarily placed on the temporary placing station and transports it toward the second track, A steel making facility, comprising: a processing cart that is capable of traveling on the second track and that receives a ladle transported by a first crane and transports the ladle to the secondary refining facility.

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