CN220426830U - Spherical ferroalloy granulating device for double-roller continuous casting of external concave hole array - Google Patents
Spherical ferroalloy granulating device for double-roller continuous casting of external concave hole array Download PDFInfo
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- CN220426830U CN220426830U CN202321854562.3U CN202321854562U CN220426830U CN 220426830 U CN220426830 U CN 220426830U CN 202321854562 U CN202321854562 U CN 202321854562U CN 220426830 U CN220426830 U CN 220426830U
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- roller
- driven
- ferroalloy
- driving
- continuous casting
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- 229910001021 Ferroalloy Inorganic materials 0.000 title claims abstract description 48
- 238000009749 continuous casting Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 21
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003491 array Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910000640 Fe alloy Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Abstract
The utility model discloses a granulating device for double-roller continuous casting spherical ferroalloy with an external concave hole array, which mainly comprises a frame, a driving roller, a driven roller, a transmission device, a tundish for shunting molten ferroalloy, a water tank for cooling and collecting ferroalloy particles and the like. The surface of the driving roller and the driven roller are processed with hemispherical concave hole arrays which are uniformly distributed, a zero roll gap is arranged between the driving roller and the driven roller, a continuous casting molten pool is formed together with side sealing plates at two sides, hemispherical concave holes on the surfaces of the two rollers are symmetrically arranged, spherical ferroalloy liquid drops are generated by driving the outer concave hole arrays to synchronously rotate in opposite directions, and the spherical ferroalloy liquid drops are automatically separated from the hemispherical concave holes of the two rollers due to self gravity, surface tension and rotation inertia and directly fall into a water tank to be quickly solidified into spherical ferroalloy particles. The utility model can effectively solve the problems of secondary crushing, smaller granularity, uncontrollable grain size and the like of the ferroalloy under the condition of ensuring high production efficiency, and has simple equipment structure and lower cost.
Description
Technical Field
The utility model relates to a granulating device for spherical ferroalloy by double-roller continuous casting with an external concave hole array, and belongs to the technical field of ferroalloy production.
Background
Iron alloy is an alloy product composed of one or more than two metallic (or nonmetallic) elements and iron element, and is a very important raw material in the steel industry, and is also the most main deoxidizer and element additive in the steelmaking process. The steel-making process has to meet certain granularity requirement on the ferroalloy blocks, and the ferroalloy blocks with small granularity can only suspend on the surface of molten steel due to lighter weight and can be failed due to oxidation reaction with surface slag; and too large granularity can quickly sink into the bottom of the ladle, so that the iron alloy blocks are not uniformly melted, and the quality of steel is affected. Accordingly, iron and steel enterprises generally require the supply of iron alloy products in a grain size specification of 10-60 mm, and as market competition increases, the iron and steel industry places higher demands on the grain size and quality of iron alloy products.
At present, iron alloy products with corresponding granularity are obtained by adopting a mode of layer-by-layer pouring, solidification, mechanical crushing or manual crushing in the iron and steel industry at home and abroad, but the method has the defects of serious splashing, turbulence of pouring sites, multiple accidents, high energy consumption, serious pollution to the environment, high alloy crushing and powdering rate and serious secondary powder changing condition in the transportation process. Aiming at the problem, students at home and abroad improve the existing technological process and put forward a direct granulating technology of the ferroalloy, such as a domestic crystallizer continuous casting granulating technology and a foreign casting method, but the ferroalloy granulating technology still has the problems of secondary crushing and low production efficiency.
In order to further improve the quality and efficiency of ferroalloy granulation, various ferroalloy centrifugal granulation technologies, such as a typical GRANSOT granulation technology, a domestic metal particle preparation device and preparation method (CN 106077686), a porous rotary cup centrifugal granulation device (CN 207170959U), a device and method for preparing ferroalloy particles (CN 113618074B) and the like, are developed at home and abroad, and the core concept of the ferroalloy centrifugal granulation technology is to utilize rotary centrifugal force to break molten ferroalloy wire drawing or impact into liquid drops, and then solidify into ferroalloy particles through water quenching, but the ferroalloy prepared by the technology has smaller particle size and uncontrollable particle size.
Disclosure of Invention
In order to overcome the defects of the granulating technology, the utility model provides the granulating device for the spherical ferroalloy by double-roller continuous casting with the external concave hole array, which can effectively solve the problems of secondary crushing, smaller granularity, uncontrollable grain size and the like of ferroalloy under the condition of ensuring high production efficiency, and has simple equipment structure and lower cost.
The utility model adopts the following technical scheme that the device comprises a frame, wherein a driving roller and a driven roller are arranged on the inner side of the frame, no gap exists between the driving roller and the driven roller, hemispherical concave hole arrays are symmetrically arranged on the driving roller and the driven roller, the driving roller and the driven roller are connected with a transmission device, and a water tank with an opening at the upper part is arranged below the driving roller and the driven roller.
As a preferable scheme of the utility model, hemispherical concave holes on the driving roller and the driven roller are uniformly arranged along the circumferential direction and the axial direction.
As another preferable scheme of the utility model, the top of the frame is provided with a tundish, the bottom of the tundish is provided with a plurality of water gaps, the number of the water gaps is the same as the number of hemispherical concave holes on the driving roller and the driven roller, and the positions of the water gaps correspond to the hemispherical concave holes on the driving roller and the punching roller.
Further, the hangers are arranged on two sides of the tundish, and the mounting grooves matched with the hangers are arranged on corresponding positions on two sides of the top of the stand.
As a third preferred scheme of the utility model, the transmission device comprises a bracket arranged on one side of the frame, a motor is arranged on the bracket, a driving sprocket is arranged on an output shaft of the motor, the driving sprocket is connected with a driven sprocket through a chain, the driven sprocket is arranged at one end of the driving roller, a driving gear is further arranged at one end of the driving roller, which is provided with the driven sprocket, a driven gear is arranged at one end of the driven roller, which is close to the driving gear, and the driving gear is meshed with the driven gear.
As a fourth preferred scheme of the utility model, side sealing plates are arranged on the inner wall of the frame above the space between the driving roller and the driven roller through third mounting holes on the two sides in the frame.
As a fifth preferred aspect of the present utility model, a first mounting hole and a second mounting hole are provided in the frame, the driving roller is mounted in the first mounting hole through a bearing, and the driven roller is mounted in the second mounting hole through a bearing.
As a sixth preferred aspect of the present utility model, the tank bottom plate is provided obliquely, and the driving roller and the driven roller are located near the higher side of the tank bottom plate.
The utility model has the beneficial effects that:
(1) According to the utility model, spherical ferroalloy particles are prepared by utilizing the modes of double-roller continuous casting and water quenching of the outer concave hole array, and as the outer surfaces of the two rollers are both processed with hemispherical concave holes which are uniformly distributed and the two rollers synchronously rotate in opposite directions, the roller gap is zero, independent spherical ferroalloy particles can be prepared, and the problem of secondary crushing does not exist;
(2) The spherical ferroalloy particles prepared by the device have uniform particle size, the particle size can be adjusted by changing the radius of hemispherical concave holes machined on the outer surfaces of the two rollers, the range of the spherical ferroalloy particle size variation is wider, and the spherical ferroalloy particle can be used for producing spherical ferroalloy particles with larger particle size;
(3) The outer shrinkage pool array double roll of this device can set up higher rotational speed and carry out continuous casting granulation, and has evenly distributed's hemisphere shrinkage pool array at the axial of two surface and circumference all processing, consequently, but axial each row hemisphere shrinkage pool synchronous rotation granulation, production efficiency is higher, and equipment structure is simple, and the cost is lower.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the inventive bit-assembled tundish and water tank.
Fig. 3 is a schematic view of the structure of the driving roller and the driven roller of the present utility model.
Fig. 4 is a schematic diagram of a frame structure of the present utility model.
Fig. 5 is a schematic diagram of the structure of the tundish of the present utility model.
In the drawing, 1 is a tundish, 2 is a frame, 3 is a water tank, 4 is a motor, 5 is a bracket, 6 is a driving sprocket, 7 is a chain, 8 is a driven sprocket, 9 is a driving gear, 10 is a driven gear, 11 is a driving roller, 12 is a driven roller, 13 is a side sealing plate, 14 is a hemispherical concave hole, 15 is a second mounting hole, 16 is a first mounting hole, 17 is a mounting groove, 18 is a third mounting hole, 19 is a hanging lug, 20 is a water gap, and 21 is a transmission device.
Detailed Description
The utility model is described in detail below with reference to fig. 1-5:
the utility model adopts the following technical scheme that the alloy particle collecting device comprises a frame 2, wherein a first mounting hole 16 and a second mounting hole 15 are formed in the inner side of the frame 2, a driving roller 11 and a driven roller 12 are respectively mounted in the first mounting hole 16 and the second mounting hole 15 through bearings, no roll gap exists between the driving roller 11 and the driven roller 12, a side sealing plate 13 is mounted on the inner side of the frame 2 on the driving roller 11 and the driven roller 12 through a third mounting hole 18 and screws, a ferroalloy molten pool is formed by the driving roller 11, the driven roller 12 and the side sealing plate 13, hemispherical concave hole 14 arrays are symmetrically arranged on the driving roller 11 and the driven roller 12 along the axial direction and the circumferential direction, a transmission device 21 is connected to the driving roller 11 and the driven roller 12, a water tank 3 with an opening at the upper part is arranged below the driving roller 11 and the driven roller 12, the bottom of the water tank 3 is obliquely arranged, the driving roller 11 and the driven roller 12 are close to the higher side of the bottom plate of the water tank 3, and the lower side of the bottom of the water tank 3 is used for collecting alloy particles.
As a preferable scheme of the utility model, the top of the frame 2 is provided with a tundish 1 for shunting molten ferroalloy, the bottom of the tundish 1 is provided with a plurality of water gaps 20, the number of the water gaps 20 is the same as the number of the hemispherical concave holes 14 on the driving roller 11 and the driven roller 12, the positions of the water gaps 20 correspond to the positions of the hemispherical concave holes 14 on the driving roller 11 and the driving roller 12, and after the molten ferroalloy enters the tundish 1, the molten ferroalloy flows into a ferroalloy molten pool formed by the driving roller 11, the driven roller 12 and the side sealing plates 13 through the water gaps 20.
Further, the two sides of the tundish 1 are provided with hanging lugs 19, and the corresponding positions of the two sides of the top of the stand 2 are provided with mounting grooves 17 matched with the hanging lugs 19.
As another preferable scheme of the utility model, the transmission device 21 comprises a bracket 5 arranged on one side of the frame 2, a motor 4 is arranged on the bracket 5, a driving sprocket 6 is arranged on an output shaft of the motor 4 through a key connection, the driving sprocket 6 is connected with a driven sprocket 8 through a chain 7, the driven sprocket 8 is arranged at one end of a driving roller 11 through a key connection, one end of the driving roller 11 provided with the driven sprocket 8 is also provided with a driving gear 9 through a key connection, one end of a driven roller 12 close to the driving gear 9 is provided with a driven gear 10 through a key connection, and the driving gear 9 is meshed with the driven gear 10.
The motor 4 is started to drive a chain transmission mechanism consisting of a driving chain wheel 6, a chain 7 and a driven chain wheel 8, and the driven chain wheel 8 drives a driving roller 11 and a driving gear 9 to rotate clockwise through key connection; the driving gear 9 is meshed with the driven gear 10, and then the driven roller 12 is driven to rotate anticlockwise through key connection, so that the driving roller 11 and the driven roller 12 synchronously rotate in opposite directions; the hemispherical concave holes 14 on the surfaces of the two rollers are symmetrically arranged, and molten ferroalloy in the molten pool automatically flows into a spherical cavity surrounded by the hemispherical concave holes 14 of the two rollers due to self gravity and rotation of the two rollers through synchronous opposite rotation of the two rollers, so that spherical ferroalloy liquid drops are formed. In the process of rapid synchronous opposite rotation of the driving roller 11 and the driven roller 12, spherical ferroalloy liquid drops automatically separate from the two hemispherical concave holes 14 due to self gravity, surface tension and rotation inertia and directly fall into the lower water tank 3 to be rapidly solidified into spherical ferroalloy particles, and then the spherical ferroalloy particles roll to a particle collecting position at the bottom of the water tank 3 through a special slope design in the water tank 3 so as to facilitate subsequent treatment procedures, and finally, the efficient granulation of the spherical ferroalloy with uniform particle size and regular shape is completed.
It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present utility model, and those skilled in the art should understand that the present utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.
Claims (8)
1. The utility model provides an outer shrinkage pool array twin roll continuous casting spherical ferroalloy granulating device, a serial communication port, including frame (2), drive roll (11) and driven voller (12) are installed to frame (2) inboard, no gap between drive roll (11) and driven voller (12), be provided with hemisphere shrinkage pool (14) array on drive roll (11) and driven voller (12) symmetry, drive roll (11) and driven voller (12) are connected with transmission (21), drive roll (11) and driven voller (12) below is provided with top open-ended water tank (3).
2. A twin roll continuous casting spherical ferroalloy granulating apparatus with external concave hole array as claimed in claim 1, wherein the hemispherical concave holes (14) on the driving roll (11) and the driven roll (12) are uniformly arranged along the circumferential direction and the axial direction.
3. The external concave hole array double-roller continuous casting spherical ferroalloy granulating device according to claim 1, wherein a tundish (1) is arranged at the top of the frame (2), a plurality of water gaps (20) are arranged at the bottom of the tundish (1), the number of the water gaps (20) is the same as the number of hemispherical concave holes (14) on the driving roller (11) and the driven roller (12), and the positions of the water gaps (20) correspond to the hemispherical concave holes (14) on the driving roller (11) and the driven roller (12).
4. A twin roll continuous casting spherical ferroalloy granulating device with external concave hole array as claimed in claim 3, wherein the two sides of the tundish (1) are provided with hanging lugs (19), and the corresponding positions of the two sides of the top of the stand (2) are provided with mounting grooves (17) matched with the hanging lugs (19).
5. The external concave hole array double-roller continuous casting spherical ferroalloy granulating device according to claim 1, wherein the transmission device (21) comprises a bracket (5) arranged on one side of the frame (2), a motor (4) is arranged on the bracket (5), a driving sprocket (6) is arranged on an output shaft of the motor (4), the driving sprocket (6) is connected with a driven sprocket (8) through a chain (7), the driven sprocket (8) is arranged at one end of the driving roller (11), a driving gear (9) is further arranged at one end of the driving roller (11) where the driven sprocket (8) is arranged, a driven gear (10) is arranged at one end of the driven roller (12) close to the driving gear (9), and the driving gear (9) is meshed with the driven gear (10).
6. The granulating apparatus as claimed in claim 1, wherein side seal plates (13) are installed on both sides of the frame (2) through third installation holes (18), and the side seal plates (13) are disposed on the inner wall of the frame (2) above the space between the driving roller (11) and the driven roller (12).
7. The external concave hole array double-roller continuous casting spherical ferroalloy granulating device as claimed in claim 1, wherein a first mounting hole (16) and a second mounting hole (15) are formed in the frame (2), the driving roller (11) is mounted in the first mounting hole (16) through a bearing, and the driven roller is mounted in the second mounting hole (15) through a bearing.
8. A twin roll continuous casting spherical ferroalloy granulating apparatus with external concave hole array as claimed in claim 1, wherein the bottom plate of the water tank (3) is arranged obliquely, and the driving roll (11) and the driven roll (12) are close to the higher side of the bottom plate of the water tank (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321854562.3U CN220426830U (en) | 2023-07-14 | 2023-07-14 | Spherical ferroalloy granulating device for double-roller continuous casting of external concave hole array |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321854562.3U CN220426830U (en) | 2023-07-14 | 2023-07-14 | Spherical ferroalloy granulating device for double-roller continuous casting of external concave hole array |
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Publication Number | Publication Date |
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CN220426830U true CN220426830U (en) | 2024-02-02 |
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CN202321854562.3U Active CN220426830U (en) | 2023-07-14 | 2023-07-14 | Spherical ferroalloy granulating device for double-roller continuous casting of external concave hole array |
Country Status (1)
Country | Link |
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CN (1) | CN220426830U (en) |
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2023
- 2023-07-14 CN CN202321854562.3U patent/CN220426830U/en active Active
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