Additive crushing treatment equipment for steel and iron refining

Abstract

The invention discloses additive crushing treatment equipment for steel and iron refining, and belongs to the technical field of crushing treatment.The additive crushing treatment equipment comprises a crushing box body, a crushing part and a material collecting box, a screen arranged above the crushing part is installed in the crushing box body and is in an inverted V shape, and telescopic rods are fixedly connected to the two sides of the top of the screen correspondingly; the top of the telescopic rod is fixedly connected with the inner top face of the crushing box body, a shaking mechanism used for driving the screen to shake is installed on the crushing box body, a small particle collecting frame located below the screen is fixedly connected into the crushing box body, and two obliquely-arranged large particle guide plates are fixedly connected into the crushing box body. The two large particle guide plates are located on the two sides of the screen correspondingly and are symmetrically arranged along the perpendicular bisector of the screen, and the lower sides of the large particle guide plates are located above the crushing component. The problem that the crushing efficiency of the additive is low is solved.

Description

Technical Field

[0001] The present application relates to the technical field of crushing processing, and in particular to a crushing processing device for additives used in steel making. Background Art

[0002] Steelmaking, or iron and steel smelting, is a general term for the metallurgical process of steel and iron. This process covers multiple stages from iron ore to final steel products, including two main links: ironmaking and steelmaking. Additives are added during the steelmaking process mainly to improve and enhance the performance of steel to meet specific usage requirements. Before the additives are added, they often need to be crushed to a certain particle size range so that they can be better mixed with molten iron or steel.

[0003] In the related art, the additive crushing and processing equipment for steel refining includes a crushing box, a crushing mechanism, a feeding mechanism and a collecting mechanism. A plurality of supporting legs are fixedly connected to the bottom of the crushing box, a feed port is provided at the top of the crushing box, a discharge port is provided at the bottom of the crushing box, and the crushing mechanism is installed in the crushing box. The crushing mechanism includes two crushing rollers rotatably installed in the crushing box, and the two crushing rollers can squeeze and crush the additive. A crushing motor is fixedly connected to the crushing box, and the output shaft of the crushing motor is fixedly connected to the rotating shaft in the crushing roller. The feeding mechanism is arranged on one side of the crushing box, and the feeding mechanism is a belt conveyor. The belt conveyor can transport the additive raw material to the feed port and enter the crushing box. The collecting mechanism includes an collecting box placed below the discharge port, which can collect the crushed additive.

[0004] However, in the process of crushing the additive, if there are already smaller particles in the additive and these particles do not need to be further crushed, directly sending them together with the larger particles that need to be crushed into the crushing box for processing will result in low crushing efficiency of the additive. Summary of the invention

[0005] In order to solve the problem of low additive crushing efficiency, the present application provides an additive crushing processing equipment for steel making.

[0006] The present application provides a steelmaking additive crushing and processing equipment that adopts the following technical solution:

[0007] A kind of additive crushing and processing equipment for steel refining, comprising a crushing box, a crushing component and an aggregate box, wherein a screen arranged above the crushing component is installed in the crushing box, and the screen is an inverted V-shape. Telescopic rods are fixedly connected to both sides of the top of the screen, and the top of the telescopic rods is fixedly connected to the inner top surface of the crushing box. A shaking mechanism for driving the screen to shake is installed on the crushing box, and a small particle collection frame located below the screen is fixedly connected to the crushing box. Two inclined large particle guide plates are fixedly connected to the crushing box, and the two large particle guide plates are respectively located on both sides of the screen and symmetrically arranged along the mid-vertical line of the screen. The lower side of the large particle guide plate is located above the crushing component.

[0008] Preferably, the shaking mechanism includes a shaking motor fixedly connected to the crushing box, a shaking shaft rotatably installed in the crushing box, and a cam fixedly connected to the shaking shaft, a first gear fixedly connected to the output shaft of the shaking motor, the shaking shaft extends to the outside of the crushing box, a second gear meshing with the first gear fixedly connected to the shaking shaft, and the cam is located below the screen and abuts against the center of the screen.

[0009] Preferably, both sides of the bottom of the small particle collection frame are provided with collection openings, and the inner wall of the collection opening is fixedly connected with a collection pipe connected with the collection box, and the small particle collection frame is installed with a collection mechanism, which includes a collection reciprocating screw rotatably installed in the small particle collection frame and a collection guide rod fixedly connected to the small particle collection frame, and a first conveyor belt is sleeved on the collection reciprocating screw and the shaking shaft, and a collection plate is placed on the inner bottom surface of the small particle collection frame, and the collection reciprocating screw and the collection guide rod are both inserted into the collection plate, and the collection reciprocating screw is threadedly connected to the collection plate.

[0010] Preferably, an anti-blocking mechanism is installed in the small particle collection frame, and the anti-blocking mechanism includes an anti-blocking rotating shaft rotatably installed on the inner wall of the small particle collection frame and an anti-blocking guide rod fixedly connected to the inner wall of the small particle collection frame, the anti-blocking rotating shaft is parallel to the anti-blocking guide rod, the anti-blocking rotating shaft is perpendicular to the aggregate reciprocating screw, a second transmission belt is sleeved on the central position of the anti-blocking rotating shaft and the aggregate reciprocating screw, and reciprocating threads are provided at both ends of the anti-blocking rotating shaft;

[0011] Movable plates are placed on both sides of the bottom of the screen, and both ends of the anti-blocking rotating shaft and the anti-blocking guide rod are respectively inserted into the movable plates, the anti-blocking rotating shaft is threadedly connected to the movable plate, a sliding groove is provided on the top of the movable plate, an anti-blocking spring is fixedly connected to the inner bottom surface of the sliding groove, a sliding plate fixedly connected to the anti-blocking spring is placed in the sliding groove, and a plurality of anti-blocking columns are fixedly connected to the top of the sliding plate, and the plurality of anti-blocking columns can be inserted into the mesh holes of the screen, and the anti-blocking columns are made of rubber.

[0012] Preferably, a dust suction mechanism is installed in the crushing box, and the dust suction mechanism includes a dust suction pump fixedly connected to the crushing box, a dust suction nozzle is fixedly connected to the inner top surface of the crushing box, the dust suction port of the dust suction nozzle faces the screen, and the dust suction pump is connected to the dust suction nozzle through a first air pipe.

[0013] Preferably, a dust blowing chamber is formed inside the sliding plate, a dust blowing hole is opened on the axis of the anti-blocking column, a connecting hole through which the dust blowing chamber passes is opened on the side wall of the sliding plate, the connecting hole is connected to the dust blowing hole, a dust blowing mechanism is installed on the crushing box, the dust blowing mechanism includes a dust blowing pump fixedly connected to the crushing box, a dust blowing pipe is fixedly connected to the blowing end of the dust blowing pump, and the dust blowing pipe is fixedly connected to the sliding plate at one end away from the dust blowing pump and extends into the dust blowing chamber.

[0014] Preferably, a feed port is provided on the top of the crushing box, a feed hopper is fixedly connected to the top of the crushing box, a closing mechanism for closing the feed hopper is installed on the feed hopper, the closing mechanism includes a fixed plate fixedly connected to the feed hopper, a closing shaft rotatably installed on the fixed plate, and a closing door fixedly connected to the closing shaft, a first torsion spring is sleeved on the closing shaft, one end of the first torsion spring is fixedly connected to the fixed plate, and the other end of the first torsion spring is fixedly connected to the closing door, a transmission mechanism is installed on the crushing box, and the shaking motor can drive the closing shaft to rotate through the transmission mechanism.

[0015] Preferably, the second gear includes a gear ring fixedly connected to the shaking shaft, and a plurality of teeth are hingedly connected to the gear ring, and a second torsion spring is sleeved on the hinge shafts of the plurality of teeth, and the hinge shafts of the teeth are located on one side of the teeth, and the side of the teeth away from the second torsion spring abuts against the gear ring, and the transmission mechanism includes a rack slidably mounted on the crushing box, and the rack can mesh with the first gear, and a third gear meshing with the rack is fixedly connected to the closing shaft, and a sealing ring is fixedly connected to the closing door.

[0016] Preferably, the two opposite side walls of the small particle collection frame are inclined side walls, and the lower side of the side walls is close to the center of the small particle collection frame.

[0017] In summary, the present application includes at least one of the following beneficial technical effects:

[0018] 1. When the additive needs to be crushed, first add the additive into the crushing box, the additive falls on the screen, and then start the shaking mechanism, which drives the screen to shake up and down, so that the small particles of additive on the screen pass through the mesh and fall into the small particle collection frame, and the large particles of additive slide from both sides of the screen and fall onto the large particle guide plate, and then are transported to the crushing component for crushing, which solves the problem of low crushing efficiency of additives;

[0019] 2. During the rotation of the shaking shaft, the shaking shaft drives the collecting reciprocating screw to rotate through the first conveyor belt, and the collecting reciprocating screw drives the collecting plate to reciprocate, and the collecting plate pushes the additives in the small particle collection frame to the collecting port, and the additives fall into the collecting box through the collecting pipe, thereby collecting the small particles of additives;

[0020] 3. During the rotation of the reciprocating screw for collecting materials, the reciprocating screw for collecting materials drives the anti-blocking shaft to rotate through the second transmission belt, the anti-blocking shaft drives the two movable plates to move back and forth, the movable plates drive the sliding plates to move, and the sliding plates drive the anti-blocking columns to move. When the anti-blocking columns are opposite to the mesh holes on the screen, the anti-blocking springs can push the anti-blocking columns to be inserted into the mesh holes on the screen, thereby avoiding the occurrence of screen blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an additive crushing and processing equipment for steel refining according to an embodiment of the present application.

[0022] Figure 2 It is a schematic diagram of the structure of the crushing component of an embodiment of the present application.

[0023] Figure 3 It is a schematic diagram of the structure of the shaking mechanism of an embodiment of the present application.

[0024] Figure 4 It is a structural schematic diagram of the material collecting mechanism of an embodiment of the present application.

[0025] Figure 5 It is a structural schematic diagram of the anti-blocking mechanism of an embodiment of the present application.

[0026] Figure 6 It is a structural schematic diagram of the closing mechanism of an embodiment of the present application.

[0027] Figure 7 It is a schematic diagram of the structure of the second gear of an embodiment of the present application.

[0028] Description of reference numerals:

[0029] 1. Crushing box; 11. Crushing parts; 111. Crushing motor; 112. Crushing shaft; 113. Crushing roller; 12. Screen; 13. Telescopic rod; 14. Small particle collection frame; 141. Aggregation port; 142. Aggregation pipe; 143. Side; 15. Large particle guide plate; 16. Aggregation box; 17. Feeding port; 18. Feeding hopper; 19. Discharging port; 2. Shaking mechanism; 21. Shaking motor; 22. Shaking shaft; 23. Cam; 24. First gear; 25. Second gear; 251. Gear ring; 252. Gear teeth; 253. Second torsion spring; 3. Aggregation mechanism; 31. Aggregation reciprocating screw; 32. Aggregation guide rod; 3 3. First conveyor belt; 34. Collecting plate; 4. Anti-blocking mechanism; 41. Anti-blocking rotating shaft; 42. Anti-blocking guide rod; 43. Second transmission belt; 44. Moving plate; 441. Sliding groove; 45. Anti-blocking spring; 46. Sliding plate; 461. Dust blowing chamber; 462. Connecting hole; 47. Anti-blocking column; 471. Dust blowing hole; 5. Dust suction mechanism; 51. Dust suction pump; 52. Dust suction nozzle; 53. First air pipe; 6. Dust blowing mechanism; 61. Dust blowing pump; 62. Dust blowing pipe; 7. Closing mechanism; 71. Fixed plate; 72. Closing shaft; 73. Closing door; 74. First torsion spring; 8. Transmission mechanism; 81. Rack; 82. Third gear. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-7 This application is described in further detail.

[0031] The present application discloses a steelmaking additive crushing and processing device, referring to Figure 1 and Figure 2 , including a crushing box 1, a feed port 17 is opened on the top of the crushing box 1, a discharge port 19 is opened on the bottom of the crushing box 1, a feed hopper 18 is fixedly connected to the top of the crushing box 1, a collecting box 16 is placed on the bottom of the crushing box 1, a crushing component 11 is installed in the crushing box 1, and the crushing component 11 includes two crushing motors 111, two crushing shafts 112 and two crushing rollers 113, the two crushing motors 111 are fixedly connected to the crushing box 1, the two crushing shafts 112 are rotatably installed in the crushing box 1, and the two crushing rollers 113 are fixedly connected to the crushing shafts 112, respectively, and the two crushing rollers 113 are in contact with each other.

[0032] Reference Figure 2 and Figure 3A screen 12 arranged above the crushing component 11 is installed in the crushing box 1. The screen 12 is an inverted V-shape. Telescopic rods 13 are fixedly connected to both sides of the top of the screen 12. The top of the telescopic rod 13 is fixedly connected to the inner top surface of the crushing box 1. A shaking mechanism 2 is installed on the crushing box 1. The shaking mechanism 2 can drive the screen 12 to shake up and down. A small particle collection frame 14 located below the screen 12 is fixedly connected to the crushing box 1. Two inclined large particle guide plates 15 are fixedly connected to the crushing box 1. The two large particle guide plates 15 are respectively located on both sides of the screen 12. , and are symmetrically arranged along the mid-vertical line of the screen 12, and the lower side of the large-particle guide plate 15 is located above the crushing component 11; first, the additive is added into the crushing box 1, and the additive falls on the screen 12, and then the shaking mechanism 2 is started, and the shaking mechanism 2 drives the screen 12 to shake up and down, so that the small particles of the additive on the screen 12 pass through the mesh and fall into the small-particle collection frame 14, and the large particles of the additive slide from both sides of the screen 12, fall onto the large-particle guide plate 15, and then are transported to the crushing component 11 for crushing, which solves the problem of low crushing efficiency of the additive.

[0033] Reference Figure 2 and Figure 3 The shaking mechanism 2 includes a shaking motor 21, a shaking shaft 22 and a cam 23. The shaking motor 21 is fixedly connected to the crushing box 1, the shaking shaft 22 is rotatably installed in the crushing box 1, the cam 23 is fixedly connected to the shaking shaft 22, the cam 23 is located below the screen 12, and abuts against the central position of the screen 12. A first gear 24 is fixedly connected to the output shaft of the shaking motor 21, the shaking shaft 22 extends to the outside of the crushing box 1, and a second gear 25 meshing with the first gear 24 is fixedly connected to the shaking shaft 22; start the shaking motor 21, the shaking motor 21 drives the first gear 24 to rotate, the first gear 24 drives the second gear 25 to rotate, the second gear 25 drives the shaking shaft 22 to rotate, the shaking shaft 22 drives the cam 23 to rotate, and the cam 23 drives the screen 12 to shake up and down.

[0034] Reference Figures 1 to 4The two sides of the bottom of the small particle collection frame 14 are provided with a collection port 141, and the inner wall of the collection port 141 is fixedly connected with a collection pipe 142 connected to the collection box 16. The two opposite side walls of the small particle collection frame 14 are inclined side surfaces 143, and the lower side of the side surface 143 is close to the center of the small particle collection frame 14, which is convenient for collecting additives; a collection mechanism 3 is installed in the small particle collection frame 14, and the collection mechanism 3 includes a collection reciprocating screw 31 and a collection guide rod 3 2. The aggregate reciprocating screw 31 is rotatably installed in the small particle collection frame 14 and is horizontally arranged. The aggregate guide rod 32 is fixedly connected in the small particle collection frame 14 and is parallel to the aggregate reciprocating screw 31. The aggregate reciprocating screw 31 and the shaking shaft 22 are sleeved with a first conveyor belt 33. An aggregate plate 34 is placed on the inner bottom surface of the small particle collection frame 14. The aggregate reciprocating screw 31 and the aggregate guide rod 32 are both penetrated in the aggregate plate 34. The aggregate reciprocating screw 31 is threadedly connected to the aggregate plate 34.

[0035] During the rotation of the shaking shaft 22, the shaking shaft 22 drives the collecting reciprocating screw 31 to rotate through the first conveyor belt 33, and the collecting reciprocating screw 31 drives the collecting plate 34 to move back and forth. The collecting plate 34 pushes the additives in the small particle collection frame 14 to the collecting port 141, and falls into the collecting box 16 through the collecting pipe 142, thereby collecting the small particle additives.

[0036] Reference Figures 3 to 5 , an anti-blocking mechanism 4 is installed in the small particle collection frame 14, and the anti-blocking mechanism 4 includes an anti-blocking rotating shaft 41 and an anti-blocking guide rod 42. The anti-blocking rotating shaft 41 is rotatably installed on the inner wall of the small particle collection frame 14, and the anti-blocking guide rod 42 is fixedly connected to the inner wall of the small particle collection frame 14. The anti-blocking rotating shaft 41 is parallel to the anti-blocking guide rod 42, and the anti-blocking rotating shaft 41 is perpendicular to the aggregate reciprocating screw 31. The central position of the anti-blocking rotating shaft 41 and the aggregate reciprocating screw 31 are sleeved with a second transmission belt 43, and reciprocating threads are provided at both ends of the anti-blocking rotating shaft 41; movable plates 44 are placed on both sides of the bottom of the screen 12, and the anti-blocking The two ends of the rotating shaft 41 and the anti-blocking guide rod 42 are respectively inserted into the movable plate 44, the anti-blocking rotating shaft 41 is threadedly connected to the movable plate 44, a sliding groove 441 is vertically opened on the top of the movable plate 44, an anti-blocking spring 45 is fixedly connected to the inner bottom surface of the sliding groove 441, a sliding plate 46 fixedly connected to the anti-blocking spring 45 is placed in the sliding groove 441, a plurality of anti-blocking columns 47 are fixedly connected to the top of the sliding plate 46, the plurality of anti-blocking columns 47 are evenly distributed along the length direction of the sliding plate 46, the plurality of anti-blocking columns 47 can be inserted into the mesh holes of the screen 12, and the anti-blocking columns 47 are made of rubber.

[0037] During the rotation of the aggregate reciprocating screw 31, the aggregate reciprocating screw 31 drives the anti-blocking shaft 41 to rotate through the second transmission belt 43, the anti-blocking shaft 41 drives the two movable plates 44 to reciprocate, the movable plates 44 drive the sliding plates 46 to move, and the sliding plates 46 drive the anti-blocking columns 47 to move. When the anti-blocking columns 47 are opposite to the mesh holes on the screen 12, the anti-blocking springs 45 can push the anti-blocking columns 47 to be inserted into the mesh holes on the screen 12, thereby avoiding the occurrence of blockage of the screen 12.

[0038] Reference Figure 2 and Figure 3 A dust suction mechanism 5 is installed in the crushing box 1, and the dust suction mechanism 5 includes a dust suction pump 51, which is fixedly connected to the crushing box 1. Two dust suction nozzles 52 are fixedly connected to the inner top surface of the crushing box 1. The dust suction ports of the two dust suction nozzles 52 are both facing the screen 12, and the dust suction pump 51 is connected to the two dust suction nozzles 52 through a first air pipe 53; in the process of crushing the additive, the dust suction pump 51 is started, and the dust suction pump 51 draws air into the dust suction nozzle 52 through the first air pipe 53. The dust suction nozzle 52 can absorb the dust generated in the crushing process, thereby avoiding the occurrence of environmental pollution.

[0039] Reference Figure 3 and Figure 5 A dust blowing chamber 461 is formed inside the sliding plate 46, a dust blowing hole 471 is vertically opened on the axis of the anti-blocking column 47, a connecting hole 462 is vertically opened on the top of the sliding plate 46, and the connecting hole 462 is connected to the dust blowing hole 471, and a dust blowing mechanism 6 is installed on the crushing box 1, and the dust blowing mechanism 6 includes a dust blowing pump 61, and the dust blowing pump 61 is fixedly connected to the crushing box 1, and a dust blowing pipe 62 is fixedly connected to the blowing end of the dust blowing pump 61, and the end of the dust blowing pipe 62 away from the dust blowing pump 61 is fixedly connected to the sliding plate 46 and extends into the dust blowing chamber 461; start the dust blowing pump 61, the dust blowing pump 61 blows air into the dust blowing chamber 461 through the dust blowing pipe 62, and blows it out through the dust blowing hole 471, so as to blow out the dust mixed in the additive, and further avoid the occurrence of pollution to the environment.

[0040] Reference Figure 2 and Figure 6A closing mechanism 7 for closing the feed hopper 18 is installed on the feed hopper 18. The closing mechanism 7 includes a fixed plate 71, a closing shaft 72 and a closing door 73. The fixed plate 71 is fixedly connected to the feed hopper 18, the closing shaft 72 is rotatably installed on the fixed plate 71, and the closing door 73 is fixedly connected to the closing shaft 72. A first torsion spring 74 is sleeved on the closing shaft 72, one end of the first torsion spring 74 is fixedly connected to the fixed plate 71, and the other end of the first torsion spring 74 is fixedly connected to the closing door 73. A transmission mechanism 8 is installed on the crushing box 1. During the start-up process of the shaking motor 21, the shaking motor 21 can drive the closing shaft 72 to rotate through the transmission mechanism 8, and the closing shaft 72 drives the closing door 73 to rotate, so that the closing door 73 closes the feed hopper 18, thereby preventing dust from escaping to the outside.

[0041] Reference Figures 2 to 7 The second gear 25 includes a gear ring 251, which is fixedly connected to the shaking shaft 22. A plurality of teeth 252 are hingedly connected to the gear ring 251. The hinge shafts of the plurality of teeth 252 are sleeved with second torsion springs 253. The hinge shafts of the teeth 252 are located on one side of the teeth 252. The side of the teeth 252 away from the second torsion spring 253 abuts against the gear ring 251. The transmission mechanism 8 includes a rack 81, which is slidably mounted on the crushing box 1 and is vertically arranged. The rack 81 can mesh with the first gear 24. A third gear 82 meshing with the rack 81 is fixedly connected to the closing shaft 72. A sealing ring is fixedly connected to the closing door 73. On the first gear 2 During the rotation, the first gear 24 drives the rack 81 to move, the rack 81 drives the third gear 82 to rotate, the third gear 82 drives the closing shaft 72 to rotate, and the feed hopper 18 is closed. At the same time, the first gear 24 can drive the plurality of teeth 252 to rotate, the plurality of teeth 252 drives the gear ring 251 to rotate, and the gear ring 251 drives the shaking shaft 22 to rotate. When the shaking motor 21 is turned off, the first torsion spring 74 drives the closing door 73 to open, the third gear 82 drives the rack 81 to move in the opposite direction, and the rack 81 drives the first gear 24 to rotate in the opposite direction. At this time, the first gear 24 drives the plurality of teeth 252 to flip, and no interference will be caused.

[0042] The implementation principle of the additive crushing and processing equipment for steel refining in the embodiment of the present application is as follows: when the additive needs to be crushed, the additive is first added to the crushing box 1, and the additive falls on the screen 12, and then the shaking motor 21 is started, and the shaking motor 21 drives the first gear 24 to rotate, and the first gear 24 drives the second gear 25 to rotate, and the second gear 25 drives the shaking shaft 22 to rotate, and the shaking shaft 22 drives the screen 12 to shake up and down, so that the small particles of additives on the screen 12 pass through the mesh and fall into the small particle collection frame 14, and the large particles of additives slide from both sides of the screen 12 and fall onto the large particle guide plate 15, and then are transported to the crushing component 11 for crushing, which solves the problem of low crushing efficiency of the additive; at the same time, the shaking shaft 22 drives the aggregate The reciprocating screw 31 rotates, and the collecting reciprocating screw 31 drives the collecting plate 34 to reciprocate. The collecting plate 34 pushes the additives in the small particle collection frame 14 to the collecting port 141, and falls into the collecting box 16 through the collecting pipe 142, thereby collecting the small particle additives. The collecting reciprocating screw 31 drives the anti-blocking rotating shaft 41 to rotate, and the anti-blocking rotating shaft 41 drives the anti-blocking column 47 to move. When the anti-blocking column 47 is opposite to the mesh holes on the screen 12, the anti-blocking spring 45 can push the anti-blocking column 47 to be inserted into the mesh holes on the screen 12, thereby avoiding the occurrence of blockage of the screen 12. The first gear 24 drives the rack 81 to move, and the rack 81 drives the third gear 82 to rotate. The third gear 82 drives the closing shaft 72 to rotate to close the feed hopper 18.

[0043] At the same time, the dust suction pump 51, the dust blowing pump 61 and the dust suction nozzle 52 can absorb the dust generated in the crushing process, thereby avoiding the occurrence of environmental pollution. The dust blowing pump 61 blows air into the dust blowing chamber 461 through the dust blowing pipe 62 and blows it out through the dust blowing hole 471, which can blow out the dust mixed in the additive, further avoiding the occurrence of environmental pollution.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A crushing and processing device for additives for steelmaking, comprising a crushing box (1), a crushing component (11) and a collection box (16), characterized in that: The crushing box (1) is provided with a screen (12) arranged above the crushing component (11), the screen (12) is inverted V-shaped, and telescopic rods (13) are fixedly connected to both sides of the top of the screen (12), and the top of the telescopic rod (13) is fixedly connected to the inner top surface of the crushing box (1), and a shaking mechanism (2) for driving the screen (12) to shake is installed on the crushing box (1), and a small particle collection frame (14) located below the screen (12) is fixedly connected to the crushing box (1), and two inclined large particle guide plates (15) are fixedly connected to the crushing box (1), and the two large particle guide plates (15) are respectively located on both sides of the screen (12) and symmetrically arranged along the mid-vertical line of the screen (12), and the lower side of the large particle guide plate (15) is located above the crushing component (11).

2. The steelmaking additive crushing and processing equipment according to claim 1, characterized in that: The shaking mechanism (2) comprises a shaking motor (21) fixedly connected to the crushing box (1), a shaking shaft (22) rotatably installed in the crushing box (1), and a cam (23) fixedly connected to the shaking shaft (22); a first gear (24) is fixedly connected to the output shaft of the shaking motor (21); the shaking shaft (22) extends to the outside of the crushing box (1); a second gear (25) meshing with the first gear (24) is fixedly connected to the shaking shaft (22); and the cam (23) is located below the screen (12) and abuts against the center of the screen (12).

3. The crushing and processing equipment for steelmaking additives according to claim 2, characterized in that: Both sides of the bottom of the small particle collection frame (14) are provided with a collection port (141), and a collection pipe (142) connected to the collection box (16) is fixedly connected to the inner wall of the collection port (141). A collection mechanism (3) is installed in the small particle collection frame (14), and the collection mechanism (3) includes a collection reciprocating screw (31) rotatably installed in the small particle collection frame (14) and a collection guide rod (32) fixedly connected to the small particle collection frame (14). A first conveyor belt (33) is sleeved on the collection reciprocating screw (31) and the shaking shaft (22). A collection plate (34) is placed on the inner bottom surface of the small particle collection frame (14), and the collection reciprocating screw (31) and the collection guide rod (32) are both inserted into the collection plate (34), and the collection reciprocating screw (31) is threadedly connected to the collection plate (34).

4. The crushing and processing equipment for steelmaking additives according to claim 3, characterized in that: An anti-blocking mechanism (4) is installed in the small particle collection frame (14), and the anti-blocking mechanism (4) comprises an anti-blocking rotating shaft (41) rotatably installed on the inner wall of the small particle collection frame (14) and an anti-blocking guide rod (42) fixedly connected to the inner wall of the small particle collection frame (14), the anti-blocking rotating shaft (41) is parallel to the anti-blocking guide rod (42), the anti-blocking rotating shaft (41) is perpendicular to the material collection reciprocating screw (31), a second transmission belt (43) is sleeved on the central position of the anti-blocking rotating shaft (41) and the material collection reciprocating screw (31), and reciprocating threads are provided at both ends of the anti-blocking rotating shaft (41); A movable plate (44) is placed on both sides of the bottom of the screen (12), and the two ends of the anti-blocking rotating shaft (41) and the anti-blocking guide rod (42) are respectively inserted into the movable plate (44), and the anti-blocking rotating shaft (41) is threadedly connected to the movable plate (44). A sliding groove (441) is opened on the top of the movable plate (44), and an anti-blocking spring (45) is fixedly connected to the inner bottom surface of the sliding groove (441). A sliding plate (46) fixedly connected to the anti-blocking spring (45) is placed in the sliding groove (441), and a plurality of anti-blocking columns (47) are fixedly connected to the top of the sliding plate (46). The plurality of anti-blocking columns (47) can be inserted into the mesh of the screen (12), and the anti-blocking columns (47) are made of rubber.

5. The crushing and processing equipment for steelmaking additives according to claim 4, characterized in that: A dust suction mechanism (5) is installed in the crushing box (1), and the dust suction mechanism (5) comprises a dust suction pump (51) fixedly connected to the crushing box (1); a dust suction nozzle (52) is fixedly connected to the inner top surface of the crushing box (1), and the dust suction port of the dust suction nozzle (52) faces the screen (12); the dust suction pump (51) and the dust suction nozzle (52) are connected through a first air pipe (53).

6. The crushing and processing equipment for steelmaking additives according to claim 5, characterized in that: A dust blowing chamber (461) is formed inside the sliding plate (46), a dust blowing hole (471) is opened at the axis of the anti-blocking column (47), a connecting hole (462) is opened on the side wall of the sliding plate (46) and the dust blowing chamber (461) is connected, and the connecting hole (462) is connected with the dust blowing hole (471), and a dust blowing mechanism (6) is installed on the crushing box (1), and the dust blowing mechanism (6) includes a dust blowing pump (61) fixedly connected to the crushing box (1), and a dust blowing pipe (62) is fixedly connected to the blowing end of the dust blowing pump (61), and the end of the dust blowing pipe (62) away from the dust blowing pump (61) is fixedly connected to the sliding plate (46) and extends into the dust blowing chamber (461).

7. The crushing and processing equipment for steelmaking additives according to claim 2, characterized in that: A feed port (17) is provided at the top of the crushing box (1), a feed hopper (18) is fixedly connected to the top of the crushing box (1), a closing mechanism (7) for closing the feed hopper (18) is installed on the feed hopper (18), the closing mechanism (7) comprises a fixed plate (71) fixedly connected to the feed hopper (18), a closing shaft (72) rotatably installed on the fixed plate (71), and a closing door (73) fixedly connected to the closing shaft (72), a first torsion spring (74) is sleeved on the closing shaft (72), one end of the first torsion spring (74) is fixedly connected to the fixed plate (71), and the other end of the first torsion spring (74) is fixedly connected to the closing door (73), a transmission mechanism (8) is installed on the crushing box (1), and the shaking motor (21) can drive the closing shaft (72) to rotate through the transmission mechanism (8).

8. The crushing and processing equipment for steelmaking additives according to claim 7, characterized in that: The second gear (25) includes a gear ring (251) fixedly connected to the shaking shaft (22), and a plurality of teeth (252) are hingedly connected to the gear ring (251). The hinge shafts of the plurality of teeth (252) are sleeved with second torsion springs (253). The hinge shafts of the teeth (252) are located on one side of the teeth (252), and the side of the teeth (252) away from the second torsion spring (253) abuts against the gear ring (251). The transmission mechanism (8) includes a rack (81) slidably mounted on the crushing box (1), and the rack (81) can mesh with the first gear (24). The closing shaft (72) is fixedly connected with a third gear (82) meshing with the rack (81), and the closing door (73) is fixedly connected with a sealing ring.

9. The steelmaking additive crushing and processing equipment according to claim 3, characterized in that: The two opposite side walls of the small particle collection frame (14) are inclined side surfaces (143), and the lower side of the side surface (143) is close to the center position of the small particle collection frame (14).

Images