CN117488004A - Sand filling device for tapping hole of electric arc furnace - Google Patents
Sand filling device for tapping hole of electric arc furnace Download PDFInfo
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- CN117488004A CN117488004A CN202311515634.6A CN202311515634A CN117488004A CN 117488004 A CN117488004 A CN 117488004A CN 202311515634 A CN202311515634 A CN 202311515634A CN 117488004 A CN117488004 A CN 117488004A
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- 239000004576 sand Substances 0.000 title claims abstract description 149
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 56
- 238000010891 electric arc Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 58
- 239000010959 steel Substances 0.000 claims description 58
- 238000007790 scraping Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 18
- 238000010168 coupling process Methods 0.000 claims 18
- 238000005859 coupling reaction Methods 0.000 claims 18
- 238000009845 electric arc furnace steelmaking Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001511493 Matthiola fruticulosa Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention relates to the technical field of electric arc furnace steelmaking. The invention discloses a sand filling device for a tapping hole of an electric arc furnace, which comprises a base, wherein the upper end of the base is rotationally connected with a rotary rod, a plurality of temporary storage bins are arranged around the rotary rod, the temporary storage bins are fixedly connected with the rotary rod through fixing columns, the lower end of each temporary storage bin is provided with a first discharge hole, the lower end of each first discharge hole is provided with a first valve, each first valve comprises a first rectangular frame fixedly connected with the lower end of each first discharge hole, the middle of each first rectangular frame is slidingly connected with a first rectangular block, one end of each first rectangular block is fixedly connected with the output end of a first hydraulic rod, the first hydraulic rod is fixedly connected with one side of each first rectangular frame, and the rotary rod is driven to sequentially connect sand to the upper end of the tapping hole for sand filling, so that the problem of low working efficiency and potential safety hazards of manual sand transportation are solved.
Description
Technical Field
The invention relates to the technical field of electric arc furnace steelmaking, in particular to a sand filling device for a steel tapping hole of an electric arc furnace.
Background
The slag-free tapping technology of the electric arc furnace has been widely applied, and common forms mainly include a siphon tapping method, center bottom tapping, eccentric bottom tapping and the like, after tapping is completed, a tap hole is required to be plugged for next smelting, when the tap hole is plugged, drainage sand is filled above the tap hole and plugged in a tap hole channel, and plugging is tight so as to prevent molten steel leakage during smelting.
One patent application with publication number of CN211005471U discloses an electric arc furnace sand filling device, which comprises a swinging cylinder, a supporting arm, a sand hopper and an opening and closing mechanism, wherein the swinging cylinder is arranged on a furnace shell, the driving end of the swinging cylinder is connected with the upper end of a swinging pin, and the swinging pin is connected with a supporting steel plate extending out of the furnace shell; one end of the supporting arm is fixedly connected with the swinging pin, the other end of the supporting arm is fixed with the outer wall of the sand hopper, and the swinging cylinder can drive the supporting arm and the sand hopper to rotate around the center of the swinging pin through the swinging pin, so that the sand hopper can be freely switched between a working position and a sand loading position; the sand filling device is flexible and controllable in operation, and the working efficiency is greatly improved; moreover, the sand filling device can avoid high-risk operation of workers under severe conditions, and is safe and reliable.
In the prior art, when filling sand into the steel tapping hole, the drainage sand is transported and filled by manually using a single sand transporting bin, so that the working efficiency is low, and potential safety hazards are caused; the drainage sand cannot be heated in a concentrated way before sand filling, and the heating temperature is controlled, so that the drainage sand is kept dry, and the drainage sand is prevented from agglomerating to block a sand outlet; the number of times of use of the steel tapping hole determines the sand filling weight, the amount of the filled diversion sand cannot be adjusted according to the number of times of use of the steel tapping hole, and the amount of the filled diversion sand is weighed, so that the leakage of the molten steel is not tight when the amount of the filled diversion sand is too small.
Therefore, the invention provides a sand filling device for a tapping hole of an electric arc furnace.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sand filling device for a tapping hole of an electric arc furnace, which comprises a base, wherein the upper end of the base is rotationally connected with a rotary rod, a plurality of temporary storage bins are arranged around the rotary rod, the temporary storage bins are fixedly connected with the rotary rod through fixing columns, the lower ends of the temporary storage bins are provided with first discharge holes, the lower ends of the first discharge holes are provided with first valves, the first valves comprise first rectangular frames fixedly connected with the lower ends of the first discharge holes, the middle parts of the first rectangular frames are slidably connected with first rectangular blocks, one ends of the first rectangular blocks are fixedly connected with output ends of first hydraulic rods, the first hydraulic rods are fixedly connected with one side of the first rectangular frames, sand filling components are arranged above the base, each sand filling component comprises a feed inlet, the lower ends of the feed inlet are fixedly connected with a feed bin, the lower ends of the feed bin are provided with second discharge holes, the lower ends of the second discharge holes are provided with second valves, the second valves are consistent in structure, the outer sides of the feed bin are fixedly connected with a drainage oven, and one side of the drainage oven is fixedly connected with a temperature controller.
In one embodiment of the invention, a fourth rectangular groove is formed in the middle of the upper end of the feeding bin, and a filter screen is connected in the fourth rectangular groove in a sliding mode.
In one embodiment of the invention, the lower end of the rotating rod is provided with an electronic scale.
In one embodiment of the invention, the upper end of the rotary rod is rotatably connected with a first rectangular plate, the upper end of the first rectangular plate is fixedly connected with two sides of a drainage sand baking box through a first L-shaped fixing block, and two sides of the drainage sand baking box are fixedly connected with second L-shaped fixing blocks.
In one embodiment of the invention, one side of each temporary storage bin is fixedly connected with a bevel chute respectively, a sand receiving assembly is arranged between two second L-shaped fixing blocks positioned below a second discharge hole, the sand receiving assembly comprises a third rectangular frame fixedly connected with the second L-shaped fixing blocks through the fixing blocks, the middle part of the third rectangular frame is slidably connected with a fourth rectangular frame, two sides of the lower end of the fourth rectangular frame are respectively provided with a connecting rod group, each connecting rod group comprises two connecting rods, the middle parts of the two connecting rods are rotatably connected, two sides of the lower end of the fourth rectangular frame are provided with second rectangular grooves, two ends of each connecting rod are rotatably connected with a sliding block respectively, the sliding blocks can slide in the second rectangular grooves, one side of each sliding block is fixedly connected with one side of each second rectangular groove through a fourth spring, and the lower end of each third rectangular frame is fixedly connected with a square frame.
In one embodiment of the invention, the upper end of the interior of the temporary storage bin is connected with a scraper in a sliding manner, two sides of the lower end of the scraper are fixedly connected with steel ropes, one ends of the steel ropes penetrate through one side of the temporary storage bin and are fixedly connected with a second rectangular bar, the second rectangular bar is arranged on the outer surface of the temporary storage bin in a sliding manner, one side of the second rectangular bar is fixedly connected with an arc-shaped block, and one side of the fourth rectangular frame is fixedly connected with a rectangular chute.
In one embodiment of the invention, each of the temporary storage bins is the same height and different volume.
In one embodiment of the invention, one side of the scraping plate is provided with an elastic component, the elastic component comprises two telescopic rods, one ends of the telescopic rods penetrate through the temporary storage bin and are fixedly connected with the scraping plate, the other ends of the telescopic rods are fixedly connected with first rectangular strips, the first rectangular strips are fixedly connected with the fixing columns through connecting blocks, and the outer sides of the telescopic rods are sleeved with first springs.
In one embodiment of the invention, one side of each connecting rod is fixedly connected with a sector chute, one side of each sector chute is fixedly connected with a first sector block through a third spring, one side of each first sector block is provided with a plurality of grooves, the other side of each sector chute is fixedly connected with a second sector block through a third spring, a plurality of protruding blocks are arranged at positions, corresponding to the grooves, on one side of each second sector block, and one side of each sector chute is provided with a switch.
In one embodiment of the invention, two sides of the lower end of the fourth rectangular frame are respectively and rotatably connected with a second rectangular plate, two sides of the lower end of the fourth rectangular frame are respectively provided with a first rectangular groove, a third rectangular block is slidably connected in the first rectangular groove, the lower end of the third rectangular block is fixedly connected with a triangular block, one side of the third rectangular block is fixedly connected with one side of the first rectangular groove through a second spring, one side of the triangular block is fixedly connected with a round head block, two sides of the third rectangular frame are respectively provided with a third rectangular groove, the lower end of the third rectangular groove is respectively provided with a rectangular hole, the round head block can slide in the third rectangular groove, and the lower end of the third rectangular frame is provided with a collecting bin.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. according to the sand filling device for the steel outlet of the electric arc furnace, the rotary rod is driven to rotate, the rotary rod drives the temporary storage bin to rotate through the fixed column, the temporary storage bin filled with the diversion sand is rotated to the upper end of the steel outlet, meanwhile, the empty temporary storage bin is rotated to the lower end of the second discharging outlet to continue filling operation, and at the moment, the second valve is started to fill the diversion sand into the steel outlet, so that the problem that the manual sand conveying operation is low in efficiency and has potential safety hazards is solved.
2. According to the sand filling device for the tapping hole of the electric arc furnace, the fourth rectangular frame is arranged to catch the scattered drainage sand in the temporary storage bin, the convex blocks and the concave grooves are staggered when the weight in the fourth rectangular frame gradually increases to a certain threshold value, so that the second fan-shaped block and the first fan-shaped block slide in the fan-shaped sliding block to squeeze the third spring, the first fan-shaped block slides to touch the switch, the second valve is controlled to be closed, more drainage sand is prevented from being scattered, the scattered drainage sand is collected, the problem that the electronic scale can not be closed by signal transmission after being used for a long time is solved, and the problem that the drainage sand in the temporary storage bin is scattered after being filled is caused.
3. According to the sand filling device for the steel tapping hole of the electric arc furnace, the temporary storage bin is rotated to one side of the fourth rectangular frame, the second rectangular strip drives the arc block to slide into the rectangular chute, when the fourth rectangular frame slides downwards in the third rectangular frame, the fourth rectangular frame drives the rectangular chute to slide downwards, the rectangular chute drives the arc block to slide downwards, the arc block drives the second rectangular strip to slide downwards, the second rectangular strip pulls the steel cable, the steel cable pulls the scraping plate, the scraping plate can scrape drainage sand accumulated above the scraping plate out of the inclined chute, the weight of the drainage sand in the temporary storage bin is kept at the corresponding bin storage amount, excessive drainage sand in the temporary storage bin is solved, redundant parts are scraped, and the weight of the drainage sand filled into the steel tapping hole each time is accurately controlled.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of the invention at B in FIG. 1;
FIG. 3 is a schematic diagram of the filter screen installation of the present invention;
FIG. 4 is a schematic view of the temporary storage bin structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a third rectangular frame of the present invention;
FIG. 6 is a schematic cross-sectional view of a temporary storage bin of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at C in accordance with the present invention;
FIG. 8 is an exploded view of a rectangular chute according to the present invention;
FIG. 9 is an exploded view of the connecting rod of the present invention;
FIG. 10 is an enlarged view of the invention at F in FIG. 9;
FIG. 11 is an enlarged view of the invention at D in FIG. 5;
FIG. 12 is an enlarged view of FIG. 5 at E in accordance with the present invention;
description of the specification reference numerals: 1. a base; 11. a rotating rod; 111. an electronic scale; 12. fixing the column; 13. a first rectangular plate; 2. a temporary storage bin; 21. a first discharge port; 211. a first rectangular frame; 212. a first rectangular block; 213. a first hydraulic lever; 22. a scraper; 221. a wire rope; 222. a telescopic rod; 223. a first spring; 224. a first rectangular bar; 225. a second rectangular bar; 226. an arc-shaped block; 23. bevel edge chute; 3. a feed inlet; 31. a feeding bin; 32. a filter screen; 33. draining sand to bake the oven; 331. a temperature controller; 332. a first L-shaped fixed block; 333. a second L-shaped fixed block; 34. a second discharge port; 35. a fourth rectangular groove; 4. a third rectangular frame; 41. a fourth rectangular frame; 411. a first rectangular groove; 412. a second spring; 413. a third rectangular block; 414. triangular blocks; 415. a second rectangular groove; 416. round head blocks; 417. rectangular sliding grooves; 42. a square frame; 421. a switch; 43. a second rectangular plate; 44. a connecting rod; 441. a fan-shaped chute; 442. a third spring; 443. a first segment; 444. a second segment; 445. a slide block; 446. a fourth spring; 45. a third rectangular groove; 46. a rectangular hole; 5. and (5) collecting a bin.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1-2, the sand filling device for the tapping hole of the electric arc furnace comprises a base 1, wherein the upper end of the base 1 is rotationally connected with a rotary rod 11, a plurality of temporary storage bins 2 are arranged around the rotary rod 11, the temporary storage bins 2 are fixedly connected with the rotary rod 11 through fixing columns 12, the lower end of each temporary storage bin 2 is provided with a first discharge hole 21, the lower end of each first discharge hole 21 is provided with a first valve, the first valve comprises a first rectangular frame 211 fixedly connected with the lower end of each first discharge hole 21, the middle part of each first rectangular frame 211 is slidably connected with a first rectangular block 212, one end of each first rectangular block 212 is fixedly connected with the output end of a first hydraulic rod 213, the first hydraulic rod 213 is fixedly connected with one side of the first rectangular frame 211, a sand filling component is arranged above the base 1 and comprises a feed inlet 3, the lower end of each feed inlet 3 is fixedly connected with a feed bin 31, the lower end of each feed bin 31 is provided with a second discharge hole 34, the lower end of each second discharge hole 34 is provided with a second valve, the second valve is fixedly connected with a second baking bin 31, and the temperature of the oven 33 is fixedly connected with a sand draining device 33.
Specifically, in the prior art, when filling sand into a steel tapping hole, the drainage sand is transported and filled by manually using a single sand transporting bin, so that the working efficiency is low, and potential safety hazards exist; according to the invention, a plurality of temporary storage bins 2 are adopted to sequentially convey drainage sand with the same weight to the upper end of a steel tapping hole in turn, the drainage sand is added into a feeding bin 31 from a feeding hole 3, a drainage sand baking box 33 arranged on the outer side of the feeding bin 31 heats and dries the drainage sand in the feeding bin 31, the heated drainage sand particles are not adhered, the drainage sand is prevented from blocking the sand tapping hole, when a temperature controller 331 detects that the internal drainage sand reaches a certain temperature, a first hydraulic rod 213 is started to drive a first rectangular block 212 to slide in a first rectangular frame 211, the first rectangular block 212 is separated from the lower end of a second discharging hole 34, the internal drainage sand falls into the lower temporary storage bin 2, a rotary rod 11 is driven to rotate, the rotary rod 11 drives the temporary storage bin 2 to rotate through a fixed column 12, the temporary storage bin 2 filled with the drainage sand is rotated to the upper end of the steel tapping hole, at the same time, the second valve is started to continuously fill the drainage sand into the steel tapping hole, and the working efficiency is improved.
As shown in fig. 3, in this embodiment, a fourth rectangular groove 35 is provided in the middle of the upper end of the feeding bin 31, and the filter screen 32 is slidably connected in the fourth rectangular groove 35.
Specifically, when filling the drainage sand into the feeding bin 31, the drainage sand can be filtered by the filter screen 32, so that larger impurities are prevented from occurring, the filter screen 32 can be pulled out of the fourth rectangular groove 35 after the service time is long, and the filter screen 32 is convenient to clean and replace.
As shown in fig. 1, an electronic scale 111 is disposed at the lower end of the rotating rod 11 in this embodiment.
Specifically, the electronic scale 111 that the rotary rod 11 lower extreme was equipped with conveniently weighs the weight of the drainage sand of transporting at every turn, and the drainage sand stock in the temporary storage storehouse 2 is confirmed to electronic scale 111, when reaching corresponding storehouse position stock, feeds back the signal to the second valve, makes the second valve close, stops annotating the sand in the temporary storage storehouse 2, rotates temporary storage storehouse 2 to the tapping hole upper end, starts first valve and opens, and with inside drainage sand filling tapping hole in, can accurate control the weight of filling sand at every turn.
As shown in fig. 1, in this embodiment, a first rectangular plate 13 is rotatably connected to the upper end of the rotating rod 11, the upper end of the first rectangular plate 13 is fixedly connected to two sides of the drainage sand drying oven 33 through a first L-shaped fixing block 332, and two sides of the drainage sand drying oven 33 are fixedly connected with second L-shaped fixing blocks 333.
Specifically, the second L-shaped fixing block 333 is placed on the ground at one end, and one end is used for supporting one side of the sand pack, and the first L-shaped fixing block 332 is used for supporting the other side of the sand pack, while not affecting the rotation of the temporary storage bin 2.
Example two
As shown in fig. 5, 8 and 11, comparative example one, in which another embodiment of the present invention is: each temporary storage bin 2 is fixedly connected with a bevel chute 23 on one side respectively, a sand receiving assembly is arranged between two second L-shaped fixing blocks 333 below the second discharge hole 34, the sand receiving assembly comprises a third rectangular frame 4 fixedly connected with the second L-shaped fixing blocks 333 through the fixing blocks, the middle part of the third rectangular frame 4 is slidably connected with a fourth rectangular frame 41, two sides of the lower end of the fourth rectangular frame 41 are respectively provided with a connecting rod group, each connecting rod group comprises two connecting rods 44, the middle parts of the two connecting rods 44 are rotationally connected, two sides of the lower end of the fourth rectangular frame 41 are provided with second rectangular grooves 415, two ends of each connecting rod 44 are rotationally connected with a sliding block 445, the sliding blocks 445 can slide in the second rectangular grooves 415, one side of each sliding block 445 is fixedly connected with one side of each second rectangular groove 415 through a fourth spring 446, and the lower end of each third rectangular frame 4 is fixedly connected with a square frame 42.
Specifically, the electronic scale 111 may malfunction when used for a long time, after the electronic scale 111 malfunctions, the second valve cannot be controlled to be closed by signal transmission, so that the scattered drainage sand in the temporary storage bin 2 falls into the fourth rectangular frame 41 along the bevel chute 23, when the weight of the scattered drainage sand in the fourth rectangular frame 41 increases, the connecting rod 44 drives the sliding block 445 to slide in the second rectangular groove 415 and squeeze the fourth spring 446, the two connecting rods 44 rotate to enable the fourth rectangular frame 41 to slide downwards in the third rectangular frame 4, and the fourth rectangular frame 41 collects the scattered drainage sand.
As shown in fig. 6-7, in this embodiment, the upper end inside the temporary storage bin 2 is slidably connected with a scraper 22, two sides of the lower end of the scraper 22 are fixedly connected with a steel cable 221, one end of the steel cable 221 penetrates through one side of the temporary storage bin 2 and is fixedly connected with a second rectangular bar 225, the second rectangular bar 225 is slidably disposed on the outer surface of the temporary storage bin 2, one side of the second rectangular bar 225 is fixedly connected with an arc block 226, and one side of the fourth rectangular frame 41 is fixedly connected with a rectangular chute 417.
Specifically, when the temporary storage bin 2 rotates to one side of the fourth rectangular frame 41, the second rectangular bar 225 drives the arc block 226 to slide into the rectangular chute 417, and when the fourth rectangular frame 41 slides downwards in the third rectangular frame 4, the fourth rectangular frame 41 drives the rectangular chute 417 to slide downwards, the rectangular chute 417 drives the arc block 226 to slide downwards, the arc block 226 drives the second rectangular bar 225 to slide downwards, the second rectangular bar 225 pulls the steel cable 221, the steel cable 221 pulls the scraper 22, and the scraper 22 scrapes the drainage sand accumulated above by the inclined chute 23, so that the weight of the drainage sand in the temporary storage bin 2 is kept at the corresponding bin storage amount.
As shown in fig. 4, the hollow diameter in the middle of each temporary storage bin 2 in this embodiment is different in size.
Specifically, the weights of the sand filling needed by the steel tapping holes are different due to the fact that the use times of the steel tapping holes are different, when the use times of the steel tapping holes are less than 50 times, the steel tapping holes can be regarded as early-stage steel tapping holes, the sand filling amount is 95kg-105kg, when the use times of the steel tapping holes are 50-100 times, the steel tapping holes can be regarded as middle-stage steel tapping holes, the sand filling amount is 145kg-155kg, when the use times of the steel tapping holes are more than 150 times, the steel tapping holes can be regarded as later-stage steel tapping holes, the sand filling amount is 195kg-205kg, and due to the fact that the internal capacity of each temporary storage bin 2 is different, the sand with different weights can be conveniently transported according to the use times of the steel tapping holes.
As shown in fig. 6, an elastic component is disposed on one side of the scraper 22 in this embodiment, the elastic component includes two telescopic rods 222, one end of each telescopic rod 222 penetrates through the temporary storage bin 2 and is fixedly connected with the scraper 22, the other end of each telescopic rod 222 is fixedly connected with a first rectangular bar 224, the first rectangular bar 224 is fixedly connected with the fixing column 12 through a connecting block, and a first spring 223 is sleeved on the outer side of each telescopic rod 222.
Specifically, after the scattered drainage sand in the fourth rectangular frame 41 is discharged, the fourth spring 446 pushes the sliding block 445 back to the original position, meanwhile, the connecting rod 44 rotates, so that the fourth rectangular frame 41 slides upwards to the upper end, meanwhile, the first spring 223 contracts to drive the telescopic rod 222 to contract, and the telescopic rod 222 drives the scraper 22 to slide to the side far away from the bevel chute 23, so that the scraper 22 is convenient to use next time.
As shown in fig. 9-10, in this embodiment, one side of each of the two connecting rods 44 is fixedly connected with a fan-shaped chute 441, one side of each of the fan-shaped chutes 441 is fixedly connected with a first fan-shaped block 443 through a third spring 442, one side of each of the first fan-shaped blocks 443 is provided with a plurality of grooves, the other side of each of the fan-shaped chutes 441 is fixedly connected with a second fan-shaped block 444 through a third spring 442, a plurality of protruding blocks are arranged at positions corresponding to the grooves on one side of each of the second fan-shaped blocks 444, and one side of each of the fan-shaped chutes 441 is provided with a switch 421.
Specifically, two sides of the protruding block provided on one side of the second fan-shaped block 444 are oblique sides, when the weight of the diversion sand flowing into the fourth rectangular frame 41 increases gradually, the protruding block is staggered with the groove when the weight reaches a certain threshold value, so that the second fan-shaped block 444 and the first fan-shaped block 443 slide in the fan-shaped sliding block 441 to squeeze the third spring 442, when the first fan-shaped block 443 slides, the touch switch 421 is used for controlling the second valve to be closed, so that more diversion sand is prevented from being scattered, and when the first fan-shaped block 443 is completely separated from the second fan-shaped block 444, the fourth rectangular frame 41 slides downwards while the scraping plate 22 slides.
As shown in fig. 12, in this embodiment, two sides of the lower end of the fourth rectangular frame 41 are respectively connected with a second rectangular plate 43 in a rotating manner, two sides of the lower end of the fourth rectangular frame 41 are provided with a first rectangular slot 411, a third rectangular block 413 is slidably connected in the first rectangular slot 411, a triangular block 414 is fixedly connected to the lower end of the third rectangular block 413, one side of the third rectangular block 413 is fixedly connected to one side of the first rectangular slot 411 through a second spring 412, a round head block 416 is fixedly connected to one side of the triangular block 414, two sides of the third rectangular frame 4 are respectively provided with a third rectangular slot 45, rectangular holes 46 are respectively formed in the lower end of the third rectangular slot 45, the round head block 416 can slide in the third rectangular slot 45, and a collecting bin 5 is arranged at the lower end of the third rectangular frame 4.
Specifically, when the fourth rectangular frame 41 slides downwards, the round head block 416 is driven to slide in the third rectangular groove 45, the round head block 416 drives the triangular block 414 to slide, when the round head block 416 slides to the rectangular hole 46, the round head block 416 slides into the rectangular hole 46, meanwhile, the second spring 412 contracts to drive the third rectangular block 413 to slide in the first rectangular groove 411, so that the triangular block 414 is separated from the second rectangular plate 43, the second rectangular plate 43 rotates, the drainage sand in the fourth rectangular frame 41 falls into the collection bin 5, after the drainage sand in the fourth rectangular frame 41 is discharged, the fourth rectangular frame 41 drives the round head block 416 to slide upwards and separate from the rectangular hole 46 to slide upwards in the third rectangular groove 45, the round head block 416 drives the triangular block 414 to slide to the side of the second rectangular plate 43, and the scattered drainage sand can be collected in a concentrated manner, so that the next use is facilitated.
Working principle: when the sand filling operation is carried out on the steel outlet, as the temperature of the steel outlet is higher, the manual sand filling operation efficiency is lower, potential safety hazards exist, a plurality of temporary storage bins 2 are adopted to alternately convey drainage sand with the same weight to the upper end of the steel outlet in turn, the drainage sand is added into a material adding bin 31 from a material inlet 3, the drainage sand is filled into the material adding bin 31 and passes through a filter screen 32, the filter screen 32 can filter the drainage sand, larger impurities are prevented from appearing, the filter screen 32 can be pulled out from a fourth rectangular groove 35 after the service time is longer, and the filter screen 32 is convenient to clean and replace; the drainage sand baking box 33 arranged on the outer side of the feeding bin 31 heats the drainage sand in the feeding bin 31, the heated drainage sand has good drying effect, the drainage sand is prevented from agglomerating to block a sand outlet, when the temperature controller 331 detects that the internal drainage sand reaches a certain temperature, the first hydraulic rod 213 is started to drive the first rectangular block 212 to slide in the first rectangular frame 211, the first rectangular block 212 is separated from the lower end of the second discharging hole 34, the internal drainage sand falls into the lower temporary storage bin 2, the rotary rod 11 is driven to rotate, the rotary rod 11 drives the temporary storage bin 2 to rotate through the fixed column 12, the temporary storage bin 2 filled with the drainage sand rotates to the upper end of a steel outlet, meanwhile, the empty temporary storage bin 2 rotates to the lower end of the second discharging hole 34 to continue filling operation, and at the moment, the second valve is started to fill the drainage sand into the steel outlet, so that the working efficiency is improved;
the electronic scale 111 arranged at the lower end of the rotary rod 11 is convenient for weighing the weight of the drainage sand transported each time, the electronic scale 111 determines the storage quantity of the drainage sand in the temporary storage bin 2, when the storage quantity of the corresponding bin is reached, a signal is fed back to the second valve to enable the second valve to be closed, sand injection in the temporary storage bin 2 is stopped, the temporary storage bin 2 is rotated to the upper end of the tapping hole, the first valve is started to be opened, the internal drainage sand is injected into the tapping hole, and the weight of the sand injection each time can be accurately controlled;
the weight of the sand filling needed by the steel tapping holes is different due to the fact that the use times of the steel tapping holes are different, when the use times of the steel tapping holes are less than 50 times, the sand filling amount is 95kg-105kg, when the use times of the steel tapping holes are 50-100 times, the sand filling amount is 145kg-155kg, when the use times of the steel tapping holes are more than 150 times, the sand filling amount is 195kg-205kg, and because the internal capacity of each temporary storage bin 2 is different, the sand filling amount is convenient to convey the diversion sand with different weights according to the use times of the steel tapping holes;
the electronic scale 111 may malfunction after long-time use, the second valve cannot be controlled to be closed by signal transmission after the electronic scale 111 malfunctions, so that the scattered drainage sand in the temporary storage bin 2 is scattered after being fully rotated, the scattered drainage sand falls into the fourth rectangular frame 41 along the bevel chute 23, when the weight of the scattered drainage sand in the fourth rectangular frame 41 is increased, the connecting rod 44 drives the sliding block 445 to slide in the second rectangular groove 415 and squeeze the fourth spring 446, the two connecting rods 44 rotate to enable the fourth rectangular frame 41 to slide downwards in the third rectangular frame 4, and the fourth rectangular frame 41 collects the scattered drainage sand;
when the temporary storage bin 2 rotates to one side of the fourth rectangular frame 41, the second rectangular bar 225 drives the arc block 226 to slide into the rectangular chute 417, when the fourth rectangular frame 41 slides downwards in the third rectangular frame 4, the fourth rectangular frame 41 drives the rectangular chute 417 to slide downwards, the rectangular chute 417 drives the arc block 226 to slide downwards, the arc block 226 drives the second rectangular bar 225 to slide downwards, the second rectangular bar 225 pulls the steel cable 221, the steel cable 221 pulls the scraper 22, and the scraper 22 scrapes the drainage sand accumulated above by the inclined chute 23, so that the weight of the drainage sand in the temporary storage bin 2 is kept at the corresponding bin storage amount;
when the weight of the diversion sand flowing into the fourth rectangular frame 41 gradually increases and reaches a certain threshold value, the convex blocks and the grooves are staggered, so that the second fan-shaped block 444 and the first fan-shaped block 443 slide in the fan-shaped sliding block 441 to squeeze the third spring 442, the switch 421 is touched when the first fan-shaped block 443 slides, the second valve is controlled to be closed, more diversion sand is prevented from being scattered, and when the first fan-shaped block 443 is completely separated from the second fan-shaped block 444, the fourth rectangular frame 41 slides downwards while the scraping plate 22 slides;
when the fourth rectangular frame 41 slides downwards, the round head block 416 is driven to slide in the third rectangular groove 45, the round head block 416 drives the triangular block 414 to slide, when the round head block 416 slides to the rectangular hole 46, the round head block 416 slides into the rectangular hole 46, meanwhile, the second spring 412 contracts to drive the third rectangular block 413 to slide in the first rectangular groove 411, the triangular block 414 is separated from the second rectangular plate 43, the second rectangular plate 43 rotates, the drainage sand in the fourth rectangular frame 41 falls into the collecting bin 5, after the drainage sand in the fourth rectangular frame 41 is discharged, the fourth rectangular frame 41 drives the round head block 416 to slide upwards and separate from the rectangular hole 46 to slide upwards in the third rectangular groove 45, the round head block 416 drives the triangular block 414 to slide to the side of the second rectangular plate 43 to jack up the second rectangular plate 43, and the scattered drainage sand can be collected in a concentrated mode, so that the next use is facilitated.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. The utility model provides an electric arc furnace tapping hole sand filling device which characterized in that: including base (1), base (1) upper end rotates and is connected with rotary rod (11), rotary rod (11) are equipped with a plurality of interim storage storehouse (2) all around, interim storage storehouse (2) are through fixed column (12) and rotary rod (11) rigid coupling, interim storage storehouse (2) lower extreme is equipped with first discharge gate (21), first discharge gate (21) lower extreme is equipped with first valve, first valve includes first rectangle frame (211) with first discharge gate (21) lower extreme rigid coupling, first rectangle frame (211) middle part sliding connection has first rectangle piece (212), first rectangle piece (212) one end rigid coupling has the output of first hydraulic stem (213), first hydraulic stem (213) and first rectangle frame (211) one side rigid coupling, the top of base (1) is equipped with sand filling subassembly, sand filling subassembly includes feed inlet (3), feed inlet (3) lower extreme rigid coupling has feed bin (31), feed bin (31) lower extreme sliding connection has first rectangle piece (212), first rectangle piece (213) one end rigid coupling has first hydraulic stem (213) and the output of first hydraulic stem (213), first rectangle piece (213) and second stoving mouth (33) one side of drying chamber, second stoving valve (34) and second stoving mouth (33) have, second stoving mouth (33) and second stoving mouth.
2. The electric arc furnace steel tapping hole sand filling device according to claim 1, wherein: the middle part of the upper end of the feeding bin (31) is provided with a fourth rectangular groove (35), and a filter screen (32) is connected in a sliding manner in the fourth rectangular groove (35).
3. The electric arc furnace steel tapping hole sand filling device according to claim 1, wherein: an electronic scale (111) is arranged at the lower end of the rotary rod (11).
4. The electric arc furnace steel tapping hole sand filling device according to claim 1, wherein: the rotary rod (11) upper end rotates and is connected with first rectangular plate (13), first rectangular plate (13) upper end is through first L shape fixed block (332) and drainage sand stoving case (33) both sides rigid coupling, drainage sand stoving case (33) both sides rigid coupling has second L shape fixed block (333).
5. The electric arc furnace steel tapping hole sand filling device according to claim 1, wherein: every interim storage storehouse (2) one side is fixedly connected with hypotenuse spout (23) respectively, is located between two second L shape fixed blocks (333) of second discharge gate (34) below and connects sand subassembly, connect sand subassembly including third rectangle frame (4) through fixed block and second L shape fixed block (333) rigid coupling, third rectangle frame (4) middle part sliding connection has fourth rectangle frame (41), fourth rectangle frame (41) lower extreme both sides are equipped with link group respectively, link group includes two connecting rods (44), two connecting rod (44) middle part rotation is connected, fourth rectangle frame (41) lower extreme both sides are equipped with second rectangle groove (415), connecting rod (44) both ends are rotation respectively and are connected with slider (445), slider (445) can slide in second rectangle groove (415), slider (445) one side is through fourth spring (446) and second rectangle groove (415) one side rigid coupling, third rectangle frame (4) lower extreme rigid coupling has back to form frame (42).
6. The electric arc furnace steel tapping hole sand filling device according to claim 5, wherein: the inside upper end sliding connection of interim storage storehouse (2) has scraper blade (22), scraper blade (22) lower extreme both sides rigid coupling has cable wire (221), cable wire (221) one end runs through interim storage storehouse (2) one side and rigid coupling second rectangle strip (225), second rectangle strip (225) slip sets up the surface in interim storage storehouse (2), second rectangle strip (225) one side rigid coupling has arc piece (226), fourth rectangle frame (41) one side rigid coupling has rectangle spout (417).
7. The electric arc furnace steel tapping hole sand filling device according to claim 6, wherein: each temporary storage bin (2) is identical in height and different in volume.
8. The electric arc furnace steel tapping hole sand filling device according to claim 6, wherein: one side of the scraping plate (22) is provided with an elastic component, the elastic component comprises two telescopic rods (222), one end of each telescopic rod (222) penetrates through the temporary storage bin (2) and is fixedly connected with the scraping plate (22), the other end of each telescopic rod (222) is fixedly connected with a first rectangular strip (224), the first rectangular strips (224) are fixedly connected with the fixing columns (12) through connecting blocks, and a first spring (223) is sleeved outside each telescopic rod (222).
9. The electric arc furnace steel tapping hole sand filling device according to claim 8, wherein: two connecting rod (44) one sides respectively rigid coupling have fan-shaped spout (441), one of them fan-shaped spout (441) one side has first fan-shaped piece (443) through third spring (442) rigid coupling, first fan-shaped piece (443) one side is equipped with a plurality of recesses, another fan-shaped spout (441) has second fan-shaped piece (444) through third spring (442) rigid coupling, the position of second fan-shaped piece (444) one side corresponding to the recess is equipped with a plurality of lugs, fan-shaped spout (441) one side is equipped with switch (421).
10. The electric arc furnace steel tapping hole sand filling device according to claim 9, wherein: the utility model discloses a collection bin, including fourth rectangle frame (41), third rectangle frame (4), fourth rectangle frame (41) lower extreme both sides are rotated respectively and are connected with second rectangular plate (43), fourth rectangle frame (41) lower extreme both sides are equipped with first rectangular slot (411), sliding connection has third rectangle piece (413) in first rectangular slot (411), third rectangle piece (413) lower extreme fixedly connected with triangle piece (414), third rectangle piece (413) one side is through second spring (412) and first rectangular slot (411) one side fixedly connected, triangle piece (414) one side fixedly connected with button head piece (416), third rectangle frame (4) both sides are equipped with third rectangular slot (45) respectively, third rectangular slot (45) lower extreme is equipped with rectangular hole (46) respectively, button head piece (416) can slide in third rectangular slot (45), third rectangle frame (4) lower extreme is equipped with collection bin (5).
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| CN202311515634.6A CN117488004B (en) | 2023-11-14 | 2023-11-14 | Sand filling device for tapping hole of electric arc furnace |
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| CN202311515634.6A CN117488004B (en) | 2023-11-14 | 2023-11-14 | Sand filling device for tapping hole of electric arc furnace |
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| CN117488004B CN117488004B (en) | 2024-07-26 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203197231U (en) * | 2013-03-30 | 2013-09-18 | 马钢(集团)控股有限公司 | Device used for filling steel ladle with sand |
| KR20130122112A (en) * | 2012-04-30 | 2013-11-07 | 주식회사 포스코 | Apparatus for automatically filling sand in electric furnace |
| CN204135329U (en) * | 2014-08-18 | 2015-02-04 | 山东西王特钢有限公司 | Sand device filled with by a kind of ladle |
| CN208261844U (en) * | 2018-03-29 | 2018-12-21 | 江阴兴澄特种钢铁有限公司 | A kind of tapping hole sanding device |
| CN110628984A (en) * | 2019-10-11 | 2019-12-31 | 中冶南方工程技术有限公司 | Electric arc furnace sand filling device |
| CN212779528U (en) * | 2020-08-17 | 2021-03-23 | 河北科佳橡胶制品有限公司 | Automatic weighing and batching system |
| 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 |
| CN219484194U (en) * | 2023-02-10 | 2023-08-08 | 西峡县耀辉冶金材料有限公司 | Ladle drainage sand canning automatic feeding device |
| CN116855648A (en) * | 2023-07-19 | 2023-10-10 | 钢铁研究总院有限公司 | Device and method for modifying steel slag and recovering valuable elements |
-
2023
- 2023-11-14 CN CN202311515634.6A patent/CN117488004B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130122112A (en) * | 2012-04-30 | 2013-11-07 | 주식회사 포스코 | Apparatus for automatically filling sand in electric furnace |
| CN203197231U (en) * | 2013-03-30 | 2013-09-18 | 马钢(集团)控股有限公司 | Device used for filling steel ladle with sand |
| CN204135329U (en) * | 2014-08-18 | 2015-02-04 | 山东西王特钢有限公司 | Sand device filled with by a kind of ladle |
| CN208261844U (en) * | 2018-03-29 | 2018-12-21 | 江阴兴澄特种钢铁有限公司 | A kind of tapping hole sanding device |
| CN110628984A (en) * | 2019-10-11 | 2019-12-31 | 中冶南方工程技术有限公司 | Electric arc furnace sand filling device |
| CN212779528U (en) * | 2020-08-17 | 2021-03-23 | 河北科佳橡胶制品有限公司 | Automatic weighing and batching system |
| 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 |
| CN219484194U (en) * | 2023-02-10 | 2023-08-08 | 西峡县耀辉冶金材料有限公司 | Ladle drainage sand canning automatic feeding device |
| CN116855648A (en) * | 2023-07-19 | 2023-10-10 | 钢铁研究总院有限公司 | Device and method for modifying steel slag and recovering valuable elements |
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| CN117488004B (en) | 2024-07-26 |
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Country or region after: China Address after: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang Technology Building Applicant after: JIANGSU SHAGANG GROUP Co.,Ltd. Applicant after: Jiangsu Shagang Steel Co.,Ltd. Address before: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang Technology Building Applicant before: JIANGSU SHAGANG GROUP Co.,Ltd. Country or region before: China Applicant before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. |
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