CN219670538U - Broken tooth electric arc furnace steelmaking slag processing system - Google Patents
Broken tooth electric arc furnace steelmaking slag processing system Download PDFInfo
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- CN219670538U CN219670538U CN202223530446.4U CN202223530446U CN219670538U CN 219670538 U CN219670538 U CN 219670538U CN 202223530446 U CN202223530446 U CN 202223530446U CN 219670538 U CN219670538 U CN 219670538U
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- slag
- water
- crushing
- side wall
- electric arc
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- 239000002893 slag Substances 0.000 title claims abstract description 155
- 238000009845 electric arc furnace steelmaking Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000011010 flushing procedure Methods 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000010791 quenching Methods 0.000 abstract description 11
- 230000000171 quenching effect Effects 0.000 abstract description 11
- 238000005469 granulation Methods 0.000 abstract description 7
- 230000003179 granulation Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 21
- 238000010891 electric arc Methods 0.000 description 9
- 229910001341 Crude steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model relates to a crushing tooth electric arc furnace steelmaking slag treatment system, and belongs to the technical field of electric arc furnace steelmaking slag treatment. The technical proposal is as follows: a crushing device (1) is arranged above the slag pot (2), one end of the crushing device is provided with a double-rack swing hydraulic cylinder (3), and the crushing device can rotate under the action of the double-rack swing hydraulic cylinder; the crushing device, the slag tank and the double-rack swing hydraulic cylinder are connected with a tipping bracket (5), and the tipping bracket can rotate to lift the crushing device and the slag tank; a base (4) is arranged below the tipping bracket; the side of the slag tank is provided with a water cooling chute (6), a water slag ditch (7) is arranged below the water cooling chute, and a water slag ditch flushing box (71) is arranged in the water slag ditch. The beneficial effects of the utility model are as follows: the problems of sudden and massive surging and large slag shells in the moment in the process of pouring slag are avoided, the phenomenon of uneven granulation caused by large quantity and thick shells in the process of water quenching is avoided, the product quality is higher, and the production is safer.
Description
Technical Field
The utility model relates to a crushing tooth electric arc furnace steelmaking slag treatment system, and belongs to the technical field of electric arc furnace steelmaking slag treatment.
Background
The world's crude steel production in recent years is 16-18 hundred million tons, with 4 hundred million tons of electric arc furnace steel accounting for about 25%. Except China, the electric arc furnace steel of the global iron and steel industry has more than 40 percent. In 2020, the production of crude steel in China is 10.53 hundred million tons, wherein the crude steel in electric arc furnace is about 0.96 hundred million tons, the proportion is 9%, and by 2020, the production capacity of electric arc furnace in China is over 420 and over 30 tons, and is 18225 ten thousand tons. The electric arc furnace generates about 1/30 solid waste, so that the electric arc slag with the volume is not comprehensively utilized, thereby not only causing environmental pollution, but also causing more resource waste.
For example, chinese patent publication No. CN 114410858A discloses a molten liquid slag comprehensive treatment system and method, which includes a swing chute, a water slag ditch, a granulating mechanism and a dehydrator, wherein the swing chute is provided with a chute slag outlet, one end of the water slag ditch is connected under the chute slag outlet, the other end of the water slag ditch is connected with the dehydrator, one end of the water slag ditch connected with the swing chute is connected with a granulating mechanism, the granulating mechanism includes a wind quenching tank and a water quenching flushing tank, the water quenching flushing tank is arranged under the wind quenching tank, one surface of the wind quenching tank facing the dehydrator is connected with a compressed air nozzle and/or a jet plug, and one surface of the water quenching flushing tank facing the dehydrator is connected with a water nozzle and/or a jet plug.
The device structural design is reasonable, but when handling, often because slag viscosity is big, with the skin crust of one deck thickness of easily setting up of air-contacting time at the slag, owing to slag self flow, break through the metal casing when the slag accumulates to a certain amount, simultaneously have a large amount of slag to gush out in the twinkling of an eye, along with the slag casing, owing to this kind of in the twinkling of an eye gush out in a large number, can produce the too big phenomenon of granulation inhomogeneous slag piece when the punching box is granulated, the product quality is poor.
Disclosure of Invention
The utility model aims to provide a broken tooth electric arc furnace steelmaking slag treatment system, which avoids the problems of instant sudden large-scale surging and large slag crust in the process of pouring slag, avoids the phenomenon of uneven granulation caused by large scale and thick crust in the process of water quenching, ensures higher product quality and safer production, and solves the problems in the background art.
The technical scheme of the utility model is as follows:
a broken tooth electric arc furnace steelmaking slag treatment system comprises a breaking device, a slag tank, a double-rack swing hydraulic cylinder, a base, a tipping bracket, a water cooling chute and a water slag ditch, wherein the breaking device is arranged above the slag tank, one end of the breaking device is provided with the double-rack swing hydraulic cylinder, and the breaking device can rotate under the action of the double-rack swing hydraulic cylinder; the crushing device, the slag tank and the double-rack swing hydraulic cylinder are connected with a tipping bracket, and the tipping bracket can rotate to lift the crushing device and the slag tank; a base is arranged below the tipping bracket; the side of the slag tank is provided with a water cooling chute, a water slag ditch is arranged below the water cooling chute, and a water slag ditch flushing box is arranged in the water slag ditch.
The crushing device comprises crushing wheels, a supporting shaft, a bearing seat and a fixed support, wherein the supporting shaft is horizontally arranged above the slag tank, a plurality of crushing wheels are arranged on the supporting shaft, and the crushing wheels are alternately arranged at intervals; bearing seats are respectively arranged at two ends of the supporting shaft and are connected with the fixed support, and the crushing device is connected with the tipping bracket through the fixed support.
The crushing wheel comprises a crushing wheel body and crushing teeth, wherein the crushing wheel body is of a Y-shaped structure, the crushing teeth are respectively arranged on the same sides of three branches of the crushing wheel body, the crushing teeth are in a strip shape, and protrusions are arranged at the ends of the crushing teeth along the radial direction.
The tipping bracket comprises a supporting arm and a rotating arm, the upper end of the supporting arm is hinged with the rotating arm, and the lower end of the supporting arm is connected with the base; the slag tank is arranged on the rotating arm, and the rotating arm can be lifted and toppled up at a certain angle along the hinging point and the slag tank under the driving of the air cylinder.
The water-cooling chute is of a polygonal structure, and the top surface and the bottom surface of the water-cooling chute and one surface far away from the slag pot are arranged in an open manner; the side wall of the water-cooling chute is hollow and consists of a side wall I, a side wall II and a side wall III, wherein the side wall I, the side wall II and the side wall III are sequentially connected from top to bottom to form a bending structure; the first side wall, the second side wall and the third side wall are respectively provided with a water channel, and the water channels are communicated; the water-cooling chute is characterized in that a water outlet is formed in the upper portion of one side wall of one end of the water-cooling chute, a water inlet is formed in the lower portion of the three side walls of the other end of the water-cooling chute, and the water outlet and the water inlet are diagonally arranged.
The water cooling chute is provided with a bracket, and is connected with the base through the bracket.
The slag ditch punching box is a rectangular shell, one end of the slag ditch punching box is provided with a water inlet pipe, the slag ditch punching box is obliquely arranged, and the other end of the slag ditch punching box is provided with a plurality of water outlets.
The water outlet is provided with a pressure water nozzle.
The number of the supporting arms and the number of the rotating arms are two, and the water cooling chute and the water slag ditch are arranged between the two supporting arms; the rotating arms are provided with clamping grooves, and two ends of the slag tank are respectively clamped in the clamping grooves of the two rotating arms.
The beneficial effects of the utility model are as follows: the slag poured into the slag tank is rotationally hit through the crushing device, the slag is rotationally hit from the slag tank in the pouring process into the water slag ditch, so that the hard metal shell formed outside the contact of the slag and the air is crushed, the problems of instant and sudden large quantity of gushes out and large slag shell existence in the pouring process of the slag are avoided, the phenomenon of uneven granulation caused by large quantity and thick shell in the water quenching process is avoided, the product quality is higher, and the production is safer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in use;
FIG. 3 is a schematic view of a crushing device according to the present utility model;
FIG. 4 is a schematic view of the structure of the crushing wheel of the present utility model;
FIG. 5 is a schematic view of a tipping bracket of the utility model;
FIG. 6 is a schematic view of a water-cooled chute according to the present utility model;
FIG. 7 is a schematic diagram of a water slag ditch structure according to the utility model;
in the figure: the crushing device 1, the crushing wheel 11, the crushing wheel body 111, the crushing teeth 112, the supporting shaft 12, the bearing seat 13, the fixed support 14, the slag pot 2, the double-rack swing hydraulic cylinder 3, the base 4, the tipping bracket 5, the supporting arm 51, the rotating arm 52, the water cooling chute 6, the water channel 61, the water outlet 62, the water inlet 63, the water slag ditch 7, the water slag ditch punching box 71 and the water outlet hole 711.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings.
In the embodiment, referring to fig. 1-7, a crushing tooth electric arc furnace steelmaking slag treatment system comprises a crushing device 1, a slag tank 2, a double-rack swing hydraulic cylinder, a base 4, a tipping bracket 5, a water cooling chute 6 and a water slag ditch 7, wherein the crushing device 1 is arranged above the slag tank 2, one end of the crushing device 1 is provided with the double-rack swing hydraulic cylinder 3, and the crushing device 1 can rotate along the crushing device under the driving of the double-rack swing hydraulic cylinder 3; a tilting bracket 5 is arranged below the slag pot 2, the crushing device 1, the slag pot 2 and the double-rack swing hydraulic cylinder 3 are fixedly connected with the tilting bracket 5, and the tilting bracket 5 can rotate along a certain angle to lift the crushing device 1 and the slag pot 2; a base 4 is arranged below the tipping bracket 5; the side of the slag pot 2 is provided with a water cooling chute 6, a water slag ditch 7 is connected below the water cooling chute 6, and a water slag ditch flushing box 71 is arranged in the water slag ditch 7.
Preferably, the crushing device 1 is positioned above the slag tank 2 and close to the edge, the crushing device 1 and the slag tank 2 can be lifted together along a certain angle, a plurality of crushing wheels 11 are arranged on the crushing device 1, the crushing wheels 11 can rotate along the axle center, and the crushing wheels 11 are positioned in the diameter range of the circular tank opening of the slag tank 2; the crushing device 1 comprises crushing wheels 11, a supporting shaft 12, bearing seats 13 and a fixed support 14, wherein the supporting shaft 12 is horizontally arranged above the slag tank 2, the crushing wheels 11 are arranged on the supporting shaft 12, the crushing wheels 11 are fixedly connected with the supporting shaft 12, the number of the crushing wheels 11 is multiple, and the crushing wheels 11 are mutually spaced and staggered; the two ends of the supporting shaft 12 are respectively connected with bearing seats 13, the bearing seats 13 are public equipment known in the art, the number of the bearing seats 13 is two, the two bearing seats 13 are respectively fixed on corresponding fixed supports 14, the number of the fixed supports 14 is two, and the crushing device 1 is connected with the tipping bracket 5 through the fixed supports 14.
Preferably, the crushing wheel 11 comprises a crushing wheel body 111 and crushing teeth 112, the crushing wheel body 111 is in a Y-shaped structure, each branch of the crushing wheel body 111 is provided with one crushing tooth 112, the crushing teeth 112 are long, one end of each crushing tooth 112 is provided with a protrusion along the radial direction of the crushing tooth 112, and the crushing teeth 112 and the crushing wheel body 111 are fixedly connected, and can be in bolted connection, snap connection or other connection modes, wherein the bolted connection is adopted. The breaker teeth 112 are removable and can be replaced when wear is severe.
Preferably, one end of the crushing device 1 is provided with a double-rack swing hydraulic cylinder 3, and the double-rack swing hydraulic cylinder 3 can drive the crushing device 1 to rotate along the axial direction of the crushing device. The double rack oscillating hydraulic cylinder 3 is a common device known in the art, and the model thereof can be determined according to the actual situation.
Preferably, a slag pot 2 is arranged below the crushing device 1, a tipping bracket 5 is arranged below the slag pot 2, the tipping bracket 5 comprises a supporting arm 51 and a rotating arm 52, a base 4 is arranged below the supporting arm 51, and the supporting arm 51 is fixedly connected with the base 4; the support arm 51 is hinged with the rotating arm 52, the rotating arm 52 is provided with the slag pot 2, the rotating arm 52 is fixedly connected with the slag pot 2, the rotating arm 52 can be lifted and toppled up and fallen together with the slag pot 2 at a certain angle along a hinging point under the driving of a cylinder, and the cylinder is common equipment known in the art, and the model of the cylinder can be determined according to actual conditions.
Preferably, a water cooling chute 6 is arranged below the slag tank 2, the water cooling chute 6 is of a polygonal structure, and the top surface and the bottom surface of the water cooling chute 6 and one surface far away from the slag tank 2 are open; the inside of each side wall of the water-cooling chute 6 is hollow and has a certain wall thickness, and the water-cooling chute consists of a side wall I, a side wall II and a side wall III which are sequentially connected from top to bottom to form a bending structure; the water channel 61 is arranged in the water-cooling chute 6, cooling water can flow in the water-cooling chute to cool, and the water channel 61 of the side wall I, the side wall II and the side wall III of the water-cooling chute 6 are communicated with each other; a water inlet 63 is formed below one surface of the water cooling chute 6, which is open, a water outlet 62 is formed above one surface of the water cooling chute 6, the water inlet 61 and the water outlet 62 are respectively positioned on the open surface of the water cooling chute 6 and are diagonally arranged, and the height of the water inlet 63 is lower than the height of the water outlet 62; the water-cooling chute 6 is also provided with a bracket, and can be fixed on the platform through the bracket.
Preferably, a water slag ditch 7 is arranged below the water cooling chute 6, the water slag ditch 7 is obliquely arranged with a certain gradient, the water slag ditch 7 extends along one end close to the water cooling chute 6 to one end far away from the water cooling chute 6, and the trend is from high to low; the slag runner 7 is internally provided with a slag runner punching box 71, the slag runner punching box 71 is positioned below the water cooling chute 6 and the slag pot 2 and below the position between the water cooling chute 6 and the slag pot 2, the slag runner punching box 71 is a rectangular shell, one end of the slag runner punching box 71 is provided with a water inlet pipe, water can enter from the bottom end or two sides of the water inlet pipe, the water inlet position is not fixed, water enters from the side end, the slag runner punching box 71 is obliquely arranged at a certain angle, the shell on one side of the slag runner punching box 71 is provided with water outlets 711, the number of the water outlets 711 is multiple, a pressure water nozzle can be installed on the water outlets 711, the pressure water nozzle is a common device known in the art, and the model, the number and the spraying shape of the pressure water nozzle can be determined according to practical conditions.
Preferably, the number of the supporting arms 51 and the number of the rotating arms 52 are two, and the water cooling chute 6 and the water slag ditch 7 are arranged between the two supporting arms 51; the rotating arms 52 are provided with clamping grooves, and two ends of the slag pot 2 are respectively clamped in the clamping grooves of the two rotating arms 52.
The working principle of the utility model is as follows: when the utility model is positioned in the position shown in fig. 1, namely the slag pot 2 is not poured, the electric arc furnace discharges slag into the slag pot 2, the double-rack swing hydraulic cylinder 3 drives the crushing device 1 to rotate along the axial direction of the slag pot 2 in the process, the slag is simply crushed by the crushing device 1 in the process of pouring the slag pot 2, after the slag is discharged by the electric arc furnace, the cylinder drives the tipping bracket 5 to lift up together with the slag pot 2, the slag in the slag pot 2 is poured into the water cooling chute 6, and the molten metal is quenched into solid metal particles under the action of pressure water sprayed by the water slag chute flushing box 71 and enters the next link along the gradient of the water slag chute, so that a buffer tower or a dewatering device can be connected.
When the electric arc furnace is used for steelmaking and deslagging, a slag pot 2 is used for carrying, then the slag pot 2 is used for pouring slag to a slag runner 7 through a tilting bracket 5, and the slag is subjected to water quenching and granulation through a slag runner flushing box; when the slag tank 2 dumps slag into the water slag ditch 7, the slag is broken by the beating of the rotary breaking device 1, so that the hard slag shell outside the slag is broken, the problems of instant large quantity of gushes and large slag shell in the process of dumping slag are avoided, and the phenomenon of uneven granulation caused by large quantity and thick shell in the process of water quenching is avoided, so that the granules produced by granulation are more uniform, the product quality is high, and the production is safer.
Claims (9)
1. A broken tooth electric arc furnace steelmaking slag processing system is characterized in that: the slag ladle comprises a crushing device (1), a slag ladle (2), a double-rack swing hydraulic cylinder (3), a base (4), a tipping bracket (5), a water cooling chute (6) and a water slag ditch (7), wherein the crushing device (1) is arranged above the slag ladle (2), one end of the crushing device (1) is provided with the double-rack swing hydraulic cylinder (3), and the crushing device (1) can rotate under the action of the double-rack swing hydraulic cylinder (3); the crushing device (1), the slag tank (2) and the double-rack swing hydraulic cylinder (3) are connected with a tipping bracket (5), and the tipping bracket (5) can rotate to lift the crushing device (1) and the slag tank (2); a base (4) is arranged below the tipping bracket (5); the side of the slag pot (2) is provided with a water cooling chute (6), a slag runner (7) is arranged below the water cooling chute (6), and a slag runner flushing box (71) is arranged in the slag runner (7).
2. A broken tooth electric arc furnace steelmaking slag processing system as defined in claim 1 wherein: the crushing device (1) comprises crushing wheels (11), a supporting shaft (12), bearing seats (13) and a fixed support (14), wherein the supporting shaft (12) is horizontally arranged above the slag tank (2), the plurality of crushing wheels (11) are arranged on the supporting shaft (12), and the plurality of crushing wheels (11) are arranged at intervals in a staggered mode; bearing seats (13) are respectively arranged at two ends of the supporting shaft (12), the bearing seats (13) are connected with the fixed support (14), and the crushing device (1) is connected with the tipping bracket (5) through the fixed support (14).
3. A broken tooth electric arc furnace steelmaking slag processing system as defined in claim 2 wherein: the crushing wheel (11) comprises a crushing wheel body (111) and crushing teeth (112), wherein the crushing wheel body (111) is of a Y-shaped structure, the same sides of three branches of the crushing wheel body (111) are respectively provided with the crushing teeth (112), the crushing teeth (112) are in a strip shape, and the end parts of the crushing teeth (112) are provided with bulges along the radial direction.
4. A broken tooth electric arc furnace steelmaking slag processing system as in claim 1 or 2 wherein: the tipping bracket (5) comprises a supporting arm (51) and a rotating arm (52), the upper end of the supporting arm (51) is hinged with the rotating arm (52), and the lower end of the supporting arm (51) is connected with the base (4); the rotating arm (52) is provided with a slag pot (2).
5. A broken tooth electric arc furnace steelmaking slag processing system as in claim 1 or 2 wherein: the water cooling chute (6) is of a polygonal structure, and the top surface and the bottom surface of the water cooling chute (6) and one surface far away from the slag pot (2) are arranged in an open manner; the side wall of the water-cooling chute (6) is hollow and consists of a side wall I, a side wall II and a side wall III, and the side wall I, the side wall II and the side wall III are sequentially connected from top to bottom to form a bending structure; the first side wall, the second side wall and the third side wall are respectively provided with a water channel (61), and the water channels are communicated; the upper part of the side wall one end of the water cooling chute (6) is provided with a water outlet (62), the lower part of the side wall three at the other end of the water cooling chute (6) is provided with a water inlet (63), and the water outlet (62) and the water inlet (63) are diagonally arranged.
6. A broken tooth electric arc furnace steelmaking slag processing system as in claim 1 or 2 wherein: the water cooling chute (6) is provided with a bracket, and the water cooling chute (6) is connected with the base (4) through the bracket.
7. A broken tooth electric arc furnace steelmaking slag processing system as in claim 1 or 2 wherein: the slag ditch punching box (71) is a rectangular shell, a water inlet pipe is arranged at one end of the slag ditch punching box (71), the slag ditch punching box (71) is obliquely arranged, and a plurality of water outlet holes (711) are formed in the other end of the slag ditch punching box (71).
8. A broken tooth electric arc furnace steelmaking slag processing system as defined in claim 7 wherein: the water outlet is provided with a pressure water nozzle.
9. A broken tooth electric arc furnace steelmaking slag processing system as defined in claim 4 wherein: the number of the supporting arms (51) and the number of the rotating arms (52) are two, and the water cooling chute (6) and the water slag ditch (7) are arranged between the two supporting arms (51); the rotating arms (52) are provided with clamping grooves, and two ends of the slag tank (2) are respectively clamped in the clamping grooves of the two rotating arms (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530446.4U CN219670538U (en) | 2022-12-29 | 2022-12-29 | Broken tooth electric arc furnace steelmaking slag processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530446.4U CN219670538U (en) | 2022-12-29 | 2022-12-29 | Broken tooth electric arc furnace steelmaking slag processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219670538U true CN219670538U (en) | 2023-09-12 |
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ID=87926159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223530446.4U Active CN219670538U (en) | 2022-12-29 | 2022-12-29 | Broken tooth electric arc furnace steelmaking slag processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219670538U (en) |
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2022
- 2022-12-29 CN CN202223530446.4U patent/CN219670538U/en active Active
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