CN212264523U - Automatic sand filling device for ladle sliding nozzle and steelmaking process system - Google Patents
Automatic sand filling device for ladle sliding nozzle and steelmaking process system Download PDFInfo
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- CN212264523U CN212264523U CN202020747849.6U CN202020747849U CN212264523U CN 212264523 U CN212264523 U CN 212264523U CN 202020747849 U CN202020747849 U CN 202020747849U CN 212264523 U CN212264523 U CN 212264523U
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Abstract
The utility model relates to an automatic sand filling device of ladle sliding nozzle, including the unloading mechanism that is used for storing up sand and lower sand, be used for leading the elephant trunk mechanism of sending sand material and be used for the swift current sand pipe elevating system of accurate sand that adds, elephant trunk mechanism has and is located first guide elephant trunk under the discharge gate of unloading mechanism, swift current sand pipe elevating system is including following the second guide elephant trunk that vertical direction goes up and down in order to dock ladle sliding nozzle, the pan feeding mouth of second guide elephant trunk with the discharge gate butt joint of first guide elephant trunk. The steel-making process system comprises a ladle car and the automatic sand filling device for the ladle sliding nozzle, wherein the discharge hole of the second material guiding chute is in butt joint with the sliding nozzle of the ladle car. The utility model discloses an unloading mechanism, elephant trunk mechanism and swift current sand pipe elevating system have realized the automatic sand filling of ladle sliding gate, shorten the sand filling time, improve the sand filling effect, reduce workman intensity of labour and improve production efficiency.
Description
Technical Field
The utility model relates to the technical field of metallurgy, specifically be an automatic sand filling device of ladle sliding gate and steelmaking process systems.
Background
In a converter and an electric furnace steelmaking process system, before a steel ladle receives molten steel after smelting, high-temperature resistant sand is required to be filled in a refractory nozzle at the bottom of the steel ladle so as to prevent the high-temperature molten steel from contacting a sliding nozzle opening and closing mechanism at the bottom of the steel ladle. If the sand filling effect of the ladle sliding nozzle is not good, the most direct influence is that the high-temperature molten steel is bonded with the sliding nozzle opening and closing mechanism at the bottom of the ladle, and when the continuous casting ladle is cast on a rotary table, the sliding nozzle opening and closing mechanism cannot be normally opened, so that offline treatment is needed. Meanwhile, the smelting period of modern high-efficiency converters or electric furnaces is about 35min, namely, about 40 furnaces of molten steel need to be smelted every day for each converter or electric furnace, and if manual sand filling is carried out, the labor intensity of workers is increased.
At present, a ladle sliding nozzle sand filling device in the prior art basically adopts a manual or semi-automatic device, namely, a worker is required to operate on an operation platform and throw sand into a sand hopper when sand is filled each time; and the site environment of the sand filling device is severe, the sand filling device is high in temperature and dusty, operators easily feel uncomfortable and seriously affect the operation effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic sand filling device of ladle sliding gate and steelmaking process system has realized the automatic sand filling of ladle sliding gate through unloading mechanism, elephant trunk mechanism and swift current sand pipe elevating system, shortens the sand filling time, improves the sand filling effect, reduces workman intensity of labour and improves production efficiency.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides an automatic sand filling device of ladle sliding gate, is including the unloading mechanism that is used for storing up sand and lower sand, the elephant trunk mechanism that is used for leading the sand material and be used for the swift current sand pipe elevating system of accurate sand that adds, elephant trunk mechanism has and is located first guide elephant trunk under the discharge gate of unloading mechanism, swift current sand pipe elevating system is including going up and down in order to dock the second guide elephant trunk of ladle sliding gate along vertical direction, the pan feeding mouth of second guide elephant trunk with the discharge gate butt joint of first guide elephant trunk.
Further, the discharging mechanism comprises a storage bin for storing sand, a discharging chute connected to a discharging port of the storage bin, a gate valve movably plugging the discharging chute and a feeder feeding the gate valve after being controlled by the opening degree, and the discharging end of the discharging chute is in butt joint with the feeding end of the first material guiding chute.
Further, the blanking mechanism also comprises a bag pricking device capable of pricking sand bags, and the bag pricking device is arranged in the storage bin.
Further, the chute mechanism further comprises a rotating shaft bearing seat and an electro-hydraulic cylinder capable of driving the first material guide chute to rotate so as to be right below the discharge hole of the discharging mechanism, and the first material guide chute rotates by taking the rotating shaft bearing seat as a rotating shaft.
Furthermore, the first material guiding chutes are multiple in number, and each first material guiding chute rotates by taking the rotating shaft bearing seat as a rotating shaft.
Further, each first material guiding chute can be detachably connected to the rotating shaft bearing seat.
Furthermore, the sand sliding guide pipe lifting mechanism further comprises a frame body, a guide support, a guide fixed pulley, an electric winch and a steel wire rope partially wrapped around the guide fixed pulley, the guide support, the guide fixed pulley and the electric winch are all installed on the frame body, the second guide chute is arranged at the end part of the guide support in a sliding mode, one end of the steel wire rope is connected to the second guide chute, and the other end of the steel wire rope is connected to the output end of the electric winch.
And the device further comprises camera equipment for observing the sand adding condition, wherein a camera of the camera equipment faces to the feeding port of the second material guide chute.
The embodiment of the utility model provides another kind of technical scheme: a steelmaking process system comprises a ladle car and further comprises the automatic sand filling device for the ladle sliding nozzle, and a discharge hole of a second material guiding chute is in butt joint with the sliding nozzle of the ladle car.
Further, a ground limit switch is arranged on the travelling path of the buggy ladle, and a vehicle-mounted laser range finder which can sense the ground limit switch and control the start and stop is mounted on the buggy ladle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the automatic sand filling of the ladle sliding nozzle is realized through the feeding mechanism, the chute mechanism and the sand sliding guide pipe lifting mechanism, the sand filling time is shortened, the sand filling effect is improved, the labor intensity of workers is reduced, and the production efficiency is improved.
2. Through laser range finder and camera equipment, can accurate control fill sand position, improve the rate of accuracy of filling sand, improve the effect of filling sand.
Drawings
Fig. 1 is a front view of an automatic sand filling device for a ladle sliding gate according to an embodiment of the present invention;
fig. 2 is a top view of a chute mechanism of an automatic sand filling device for a ladle sliding gate according to an embodiment of the present invention;
fig. 3 is a front view of a sand-sliding conduit lifting mechanism of an automatic sand-filling device for a ladle sliding gate nozzle provided by an embodiment of the utility model;
in the reference symbols: 1-a blanking mechanism; 101-a storage bin; 102-a bag pricking device; 103-a gate valve; 104-a feeder; 105-a blanking chute; 2-chute mechanism; 201-a first material guide chute; 202-an electro-hydraulic cylinder; 203-rotating shaft bearing seats; 3-a sand-sliding conduit lifting mechanism; 301-a second material guide chute; 302-a guide support; 303-electric windlass; 304-a guide fixed pulley; 305-a steel wire rope; 4-laser rangefinder; 5-camera equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides an automatic sand filling device for a ladle sliding gate, which includes a blanking mechanism 1 for storing sand and discharging sand, a chute mechanism 2 for guiding sand and a chute conduit lifting mechanism 3 for accurately adding sand, wherein the chute mechanism 2 has a first material guiding chute 201 located right below a discharge port of the blanking mechanism 1, the chute conduit lifting mechanism 3 includes a second material guiding chute 301 capable of lifting along a vertical direction to butt the ladle sliding gate, and a feeding port of the second material guiding chute 301 is butted with the discharge port of the first material guiding chute 201. In this embodiment, unloading mechanism 1 can store up sand and control lower sand, and elephant trunk mechanism 2 can be led sand material to swift current sand pipe elevating system 3, and swift current sand pipe elevating system 3 can realize accurate sand filling, and the automatic sand pack of ladle sliding gate mouth can be realized to the cooperation of three, shortens the sand pack time, improves the sand pack effect, reduces workman intensity of labour and improves production efficiency. The chute mechanism 2 and the sand chute lifting mechanism 3 both have material guiding chutes, and for convenience of description, the two are respectively defined as a first material guiding chute 201 and a second material guiding chute 301, the two may use the same kind of pipeline, or different kinds of pipelines, and the "first" and "second" herein have no other limiting meaning, and are only used for distinction.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the discharging mechanism 1 includes a storage bin 101 for storing sand, a discharging chute 105 connected to a discharge port of the storage bin 101, a gate valve 103 for movably blocking the discharging chute 105, and a feeder 104 for feeding the gate valve 103 after being controlled by an opening degree, wherein a discharge end of the discharging chute 105 is butted with a feed end of the first material guiding chute 201. In this embodiment, the above-mentioned blanking mechanism 1 is further refined, the blanking mechanism 1 stores sand by a storage bin 101, blanks by a blanking chute 105, controls blanking by a gate valve 103 during blanking, and then feeds by a feeder 104. Specifically, the feeding machine 104 is started, the feeding machine 104 is preferably an impeller feeding machine 104, then the opening degree of the gate valve 103 is controlled, and a proper amount of sand can enter the blanking chute 105 and then is conveyed to the first guide chute 201 through the blanking chute 105. Preferably, the storage bin 101 is funnel-shaped, so that sand can be conveniently guided, and the gate valve 103 and the feeding machine 104 are both positioned below the storage bin 101. Of course, this embodiment only shows one of the blanking manners, and other existing blanking manners may also be used, and will not be described in detail here.
In order to further optimize the above solution, referring to fig. 1, the blanking mechanism 1 further includes a bag pricking device 102 capable of pricking sand bags, and the bag pricking device 102 is installed in the storage bin 101. In this embodiment, the bag piercer 102 is used to facilitate piercing of sand bags, during actual sand filling, a certain amount of sand bags are lifted into the storage bin 101 by a crane in a factory, and the bag piercer 102 pierces the sand bags to store a sufficient amount of sand, and then the next blanking operation is performed.
As an optimized solution of the present embodiment, please refer to fig. 1, fig. 2 and fig. 3, the chute mechanism 2 further includes a rotating shaft bearing seat 203 and an electrohydraulic cylinder 202 capable of driving the first material guiding chute 201 to rotate to a position right below the discharge port of the blanking mechanism 1, and the first material guiding chute 201 rotates with the rotating shaft bearing seat 203 as a rotating shaft. In this embodiment, the first material guiding chute 201 is rotatable, and when in butt joint, the first material guiding chute is conveyed to a position right below the discharge port of the blanking mechanism 1 in a rotating mode, and the driving part adopts the electric hydraulic cylinder 202, so that stable output can be provided. Preferably, there are a plurality of first material guiding chutes 201, each of the first material guiding chutes 201 rotates around the rotating shaft bearing seat 203 as a rotating shaft, and each of the first material guiding chutes 201 is detachably connected to the rotating shaft bearing seat 203. In this embodiment, another material guiding chute can be fed to the position right below the discharge port of the blanking mechanism 1 in the rotating manner, so that the situation that normal blanking cannot be performed due to the problem of one material guiding chute can be prevented. And through the mode of can dismantling the connection, be convenient for change this first guide elephant trunk 201.
As an optimized scheme of this embodiment, please refer to fig. 1, fig. 2 and fig. 3, the sand sliding guide lifting mechanism 3 further includes a frame body, a guide support 302, a guide fixed pulley 304, an electric winch 303, and a steel wire rope 305 partially wrapping the guide fixed pulley 304, the guide support 302, the guide fixed pulley 304, and the electric winch 303 are all mounted on the frame body, the second material guiding chute 301 is slidably disposed at an end of the guide support 302, and one end of the steel wire rope 305 is connected to the second material guiding chute 301, and the other end is connected to an output end of the electric winch 303. In this embodiment, the second material guiding chute 301 is lifted by the traction of the steel wire rope 305, specifically, the electric winch 303 provides a pulling force to pull the steel wire rope 305, the steel wire rope 305 is connected to the second material guiding chute 301 through the guiding fixed pulley 304 and the guiding support 302 to pull the second material guiding chute 301, and in actual operation, the second material guiding chute 301 is lowered to a position right above the ladle sliding nozzle to achieve precise sand adding. Of course, the lifting manner is not only this manner, but also the existing lifting manner is possible, and this embodiment does not limit this.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 3, the apparatus further includes a camera device 5 for observing the sand adding condition, wherein a camera of the camera device 5 faces the feeding port of the second material guiding chute 301. In the present embodiment, the condition of the sand addition can be observed by the camera device 5, and if the sand addition is normal, the full-automatic sand filling can be realized according to the previously preset sand addition time, because if the sand addition process is normal, the time for each sand addition should be almost. Of course, the worker can also observe and judge whether the sanding needs to be finished through the camera device.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a steelmaking process system, including a ladle car and the automatic sand filling device for ladle sliding gate, wherein a discharge port of the second material guiding chute 301 is in butt joint with the sliding gate of the ladle car. In this embodiment, the automatic sand filling device for the ladle sliding gate is applied to a steelmaking process system, so that automatic sand filling of the ladle sliding gate can be realized, the sand filling time is shortened, the sand filling effect is improved, the labor intensity of workers is reduced, and the production efficiency is improved.
As the embodiment of the utility model provides an optimization scheme please refer to fig. 1, fig. 2 and fig. 3, be provided with ground limit switch on the driving route of buggy ladle, install on the buggy ladle and respond to ground limit switch and control open the on-vehicle laser range finder 4 who stops. In this embodiment, the accurate parking position of the buggy ladle can be realized through the ground limit switch and the vehicle-mounted laser range finder 4, the ladle sliding nozzle is filled with sand, the accuracy of sand filling is improved, and the sand filling effect is improved. As far as the limit ground limit switch and the vehicle-mounted laser range finder 4 are conventional devices in the art, the cooperation between them can realize the stop of the vehicle body, and the details are not described herein.
Up to this point, the automatic sand-filling method is roughly:
in advance, a certain amount of sand bags are lifted into the storage bin 101 through a crane in a factory, and the sand bags are punctured by the bag puncturing device 102 in the storage bin, so that a sufficient amount of sand is stored.
Before tapping of a converter or an electric furnace, firstly, an empty ladle receiving molten steel is transported to a position, where a ladle sliding nozzle is filled with sand, of the ladle car after the converter or the electric furnace, and the precise stopping of the ladle car is realized through a vehicle-mounted laser range finder 4 and a ground limit switch, so that the ladle sliding nozzle is filled with sand.
Secondly, the second material guiding slide pipe 301 is lowered to the position right above the ladle sliding gate by the sand sliding conduit lifting mechanism 3, the first material guiding slide pipe 201 is rotated to the position above the second material guiding slide pipe 301 by the slide pipe mechanism 2, the feeding machine 104 of the discharging mechanism 1 is started, the opening degree of the gate valve 103 is controlled, and proper sand flows from the first material guiding slide pipe 201 to the ladle sliding gate through the second material guiding slide pipe 301. Meanwhile, whether sand slips to the second material guide chute 301 in the sand adding process is observed through the camera device 5, if the sand adding process is normal, after the sand adding amount meets the requirement, the valve is closed by the feeding machine 104 of the discharging mechanism 1, the chute mechanism 2 rotates the first material guide chute 201 to the standby position, and the second material guide chute 301 is lifted to the standby position by the sand sliding guide pipe lifting mechanism 3, so that the automatic sand filling of the steel ladle sliding water gap is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a ladle slide gate nozzle automatic sand filling device which characterized in that: the device comprises a blanking mechanism for storing and blanking sand, a chute mechanism for guiding and conveying sand materials and a sand chute guide pipe lifting mechanism for accurately adding the sand, wherein the chute mechanism is provided with a first material guide chute which is positioned right below a discharge port of the blanking mechanism, the sand chute guide pipe lifting mechanism comprises a second material guide chute which can be lifted along the vertical direction to be in butt joint with a sliding water gap of a steel ladle, and a feeding port of the second material guide chute is in butt joint with a discharge port of the first material guide chute.
2. The automatic sand-filling device for the ladle sliding gate valve according to claim 1, wherein: the blanking mechanism comprises a storage bin for storing sand, a blanking chute connected to a discharge port of the storage bin, a gate valve movably plugging the blanking chute and a feeder feeding the gate valve after being controlled by the opening degree, and the discharge end of the blanking chute is in butt joint with the feed end of the first material guide chute.
3. The automatic sand-filling device for the ladle sliding gate valve according to claim 2, wherein: the blanking mechanism also comprises a bag pricking device capable of pricking the sand bag, and the bag pricking device is arranged in the storage bin.
4. The automatic sand-filling device for the ladle sliding gate valve according to claim 1, wherein: the chute mechanism further comprises a rotating shaft bearing seat and an electro-hydraulic cylinder capable of driving the first material guide chute to rotate so as to reach the position right below a discharge port of the discharging mechanism, and the first material guide chute rotates by taking the rotating shaft bearing seat as a rotating shaft.
5. The automatic sand-filling device for the ladle sliding gate valve according to claim 4, wherein: the first material guiding slide pipes are multiple, and each first material guiding slide pipe rotates by taking the rotating shaft bearing block as a rotating shaft.
6. The automatic sand-filling device for the ladle sliding gate valve according to claim 5, wherein: each first material guiding chute can be detachably connected to the rotating shaft bearing seat.
7. The automatic sand-filling device for the ladle sliding gate valve according to claim 1, wherein: the sand sliding guide pipe lifting mechanism further comprises a frame body, a guide support, a guide fixed pulley, an electric winch and a steel wire rope partially wrapped around the guide fixed pulley, the guide support, the guide fixed pulley and the electric winch are all installed on the frame body, the second guide chute is arranged at the end of the guide support in a sliding mode, one end of the steel wire rope is connected to the second guide chute, and the other end of the steel wire rope is connected to the output end of the electric winch.
8. The automatic sand-filling device for the ladle sliding gate valve according to claim 1, wherein: the sand feeding device is characterized by further comprising camera equipment for observing the sand feeding condition, and a camera of the camera equipment faces to the feeding hole of the second material guiding chute.
9. A steelmaking process system comprises a ladle car and is characterized in that: the automatic sand filling device for the ladle sliding nozzle further comprises the automatic sand filling device for the ladle sliding nozzle as claimed in any one of claims 1 to 8, wherein a discharge port of the second guide chute is butted with the sliding nozzle of the ladle carriage.
10. The steelmaking process system as recited in claim 9, wherein: a ground limit switch is arranged on a travelling path of the buggy ladle, and a vehicle-mounted laser range finder which can sense the ground limit switch and control the start and stop is mounted on the buggy ladle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747849.6U CN212264523U (en) | 2020-05-07 | 2020-05-07 | Automatic sand filling device for ladle sliding nozzle and steelmaking process system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747849.6U CN212264523U (en) | 2020-05-07 | 2020-05-07 | Automatic sand filling device for ladle sliding nozzle and steelmaking process system |
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| CN212264523U true CN212264523U (en) | 2021-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381571A (en) * | 2022-01-18 | 2022-04-22 | 中冶赛迪工程技术股份有限公司 | Automatic sand filling device for steel tapping hole |
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2020
- 2020-05-07 CN CN202020747849.6U patent/CN212264523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114381571A (en) * | 2022-01-18 | 2022-04-22 | 中冶赛迪工程技术股份有限公司 | Automatic sand filling device for steel tapping hole |
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