CN219441842U

CN219441842U - Slag breaker

Info

Publication number: CN219441842U
Application number: CN202320390772.5U
Authority: CN
Inventors: 戴祥; 戴瑞根
Original assignee: Yunnan Kexing Environmental Protection Technology Co ltd
Current assignee: Yunnan Kexing Environmental Protection Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-01
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a steel slag crushing device, which comprises a crushing box and a crushing roller; a distributing device in an inverted V shape is arranged above the crushing roller in the crushing box; the distributor comprises a connecting shaft fixedly arranged on the inner wall of the crushing box; the outer walls of the two sides of the connecting shaft are fixedly connected with a distributing plate through connecting rods; a plurality of holes are arranged on the distributing plate. The utility model has the advantages that: simple structure, low cost can avoid the slag to concentrate and pile up, improves effective broken region to improve work efficiency.

Description

Slag breaker

Technical Field

The utility model relates to the technical field of steel slag recovery equipment, in particular to a steel slag crushing device.

Background

Steel slag is a by-product of steel mills and can be present in amounts of about 20% of the steel yield. The steel slag contains magnesium oxide, calcium oxide, silicon dioxide and other components, so that the reasonable reuse of the crushed steel slag has important economic and ecological significance. Most of the existing steel slag crushing devices adopt crushing rollers for crushing. The steel slag enters the crushing box from the feed inlet, so that local accumulation is easy to occur, the effective crushing area of the crushing roller is low, and the working efficiency is low.

The utility model patent with the application number of 202110771987.7 discloses a steel slag rolling crushing device, wherein the steel slag can be uniformly distributed along the length direction of a crushing roller by arranging a spreading block capable of moving along the length direction of the crushing roller above the crushing roller. But requires an additional motor to drive the split and fast movement, and is costly in equipment and operation.

Therefore, research and development of a steel slag crushing device which has a simple structure and low cost and can uniformly distribute steel slag is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the steel slag crushing device which is simple in structure and low in cost, and can avoid concentrated accumulation of steel slag and improve the effective crushing area so as to improve the working efficiency.

The technical scheme provided by the utility model is as follows:

a steel slag crushing device comprises a crushing box and a crushing roller; a distributing device in an inverted V shape is arranged above the crushing roller in the crushing box; the distributor comprises a connecting shaft fixedly arranged on the inner wall of the crushing box; the outer walls of the two sides of the connecting shaft are fixedly connected with a distributing plate through connecting rods; a plurality of holes are arranged on the distributing plate.

Further, a gear set which is meshed with each other is arranged on the rotating shaft of the crushing roller; and the rotating shaft of one crushing roller is fixedly connected with the output end of the fourth motor.

Further, a screen plate is movably arranged below the crushing roller; the lower end surfaces of the two ends of the screen plate are fixedly connected with sliding blocks through L-shaped supporting rods; the side wall of the crushing box is provided with a chute for accommodating the sliding block; springs are arranged between the upper end and the lower end of the sliding block and the groove wall of the sliding groove.

Further, the screen plate is obliquely arranged; the side wall of the crushing box is communicated with a material extracting box, and the material extracting box is positioned at the relatively lower end of the screen plate.

Further, the material extracting box comprises a box body fixedly connected to the outer wall of the crushing box; a packing auger is rotatably arranged in the box body; one end of the auger is fixedly connected with the first motor; the upper part and the lower part of one side of the box body, which is contacted with the crushing box, are respectively provided with a blanking port and a lifting port.

Further, a rotating shaft is rotatably arranged on the inner wall of the crushing box, and an eccentric wheel is fixedly connected on the rotating shaft; one end of the rotating shaft is fixedly connected with the output end of the third motor.

Further, a material collecting box is fixedly arranged below the screen plate; and a secondary crushing assembly is arranged below the discharge end of the material collecting box.

Further, a plurality of through holes are formed in the material collecting box.

Further, the secondary crushing assembly comprises a central conical roller and an outer roller positioned outside the central conical roller; crushing teeth are fixedly connected on the opposite side surfaces of the central cone roller and the outer roller; the outer roller is fixedly connected with the inner wall of the crushing box through a connecting rod; the inner wall of the crushing box is fixedly connected with a bracket; the bracket is provided with a second motor; and an output shaft of the second motor is fixedly connected with the lower end of the central conical roller.

Further, the gap between the center cone roller and the outer roller gradually decreases from top to bottom.

The utility model has the following beneficial effects:

the steel slag falls from the feeding hole, and a part of steel slag falls to the middle position of the crushing roller through the space between the connecting rods under the action of self gravity; the other part of the steel slag falls on the distributing plates at two sides and slides to two sides along the distributing plates. In the sliding process, part of steel slag falls down through the holes, and the rest of steel slag slides down along the distributing plate. The steel slag distributor has the advantages that the structure is simple, the cost is low, steel slag can fall on the crushing roller in a dispersed manner through the distributor with a unique structure, the concentrated accumulation of the steel slag is avoided, the effective crushing area is improved, and accordingly the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a perspective view of the dispenser of fig. 1.

In the figure: 1. a crushing box; 2. a crushing roller; 3. a distributing device; 301. a connecting shaft; 302. a connecting rod; 303. a material distribution plate; 304. a hole; 4. a first motor; 5. a case; 6. an auger; 7. a material lifting port; 8. a blanking port; 9. a screen plate; 10. a support rod; 11. a slide block; 12. a spring; 13. a cam; 14. a material lifting box; 15. a material collecting box; 16. a secondary crushing assembly; 1601. a center cone roller; 1602. an outer roller; 1603. a connecting rod; 1604. a bracket; 1605. a second motor; 17. a third motor; 18. a gear set; 19. and a fourth motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 3, a steel slag crushing device comprises a crushing box 1 and crushing rollers 2; a distributing device 3 in an inverted V shape is arranged above the crushing roller 2 in the crushing box 1; the distributor 3 comprises a connecting shaft 301 fixedly arranged on the inner wall of the crushing box 1; the outer walls of the two sides of the connecting shaft 301 are fixedly connected with a distributing plate 303 through connecting rods 302; the distributing plate 303 is provided with a plurality of holes 304.

The steel slag falls from the feed inlet, and a part of steel slag falls to the middle position of the crushing roller 2 through the space between the connecting rods 302 under the action of self gravity; the other part of the steel slag falls on the distributing plates 303 at both sides and slides to both sides along the distributing plates 303. During the sliding process, part of the steel slag falls down through the holes 304, and the rest of the steel slag slides down along the distributing plate 303.

Specifically, the rotation shaft of the crushing roller 2 is provided with a gear set 18 which is meshed with each other; the rotating shaft of one of the crushing rollers 2 is fixedly connected with the output end of a fourth motor 19.

Specifically, a screen plate 9 is movably arranged below the crushing roller 2; the lower end surfaces of the two ends of the screen plate 9 are fixedly connected with sliding blocks 11 through supporting rods 10 which are L-shaped; the side wall of the crushing box 1 is provided with a chute for accommodating the sliding block 11; springs 12 are arranged between the upper end and the lower end of the sliding block 11 and the groove wall of the sliding groove. The crushed steel slag falls on the screen plate 9 for screening. When steel slag falls, impact force is generated on the screen plate 9, the screen plate 9 shakes up and down irregularly under the combined action of the impact force and the spring 1, screening efficiency can be improved, and mesh blockage can be prevented to a certain extent.

Specifically, in order to improve the crushing efficiency, the cyclic crushing is realized, and the screen plate 9 is obliquely arranged; the side wall of the crushing box 1 is communicated with a material extracting box 14, and the material extracting box 14 is positioned at the relatively lower end of the screen plate 9.

Specifically, in order to improve the shaking effect of the screen plate 9 and the screening efficiency, a rotating shaft is rotatably arranged on the inner wall of the crushing box 1, and an eccentric wheel 13 is fixedly connected on the rotating shaft; one end of the rotating shaft is fixedly connected with the output end of the third motor 17.

Specifically, the material extracting box 14 comprises a box body 5 fixedly connected to the outer wall of the crushing box 1; the auger 6 is rotatably arranged in the box body 5; one end of the auger 6 is fixedly connected with the first motor 4; the upper part and the lower part of one side of the box body 5, which is contacted with the crushing box 1, are respectively provided with a blanking port 8 and a lifting port 7. The steel slag with the grain diameter larger than that of the screen plate 9 is retained above the screen plate 9, enters into the material lifting box 14 through the material lifting opening 7 under the continuous shaking action of the screen plate 9, is lifted under the action of the auger 6, is discharged from the blanking opening 8, and falls on the crushing roller 2 for crushing again.

Specifically, a material collecting box 15 is fixedly arranged below the screen plate 9; a secondary crushing assembly 16 is arranged below the discharging end of the material collecting box 15.

Specifically, a plurality of through holes are formed in the material collecting box 15, so that steel slag with smaller particle size can be conveniently and directly dropped through the through holes and then discharged, and secondary crushing of the steel slag is avoided.

Specifically, the secondary comminution assembly 16 includes a central cone roll 1601, an outer roll 1602 located outside the central cone roll 1601; crushing teeth are fixedly connected on the opposite side surfaces of the central cone roll 1601 and the outer roll 1602; the outer roller 1602 is fixedly connected with the inner wall of the crushing box 1 through a connecting rod 1603; the inner wall of the crushing box 1 is fixedly connected with a bracket 1604; the bracket 1604 is provided with a second motor 1605; an output shaft of the second motor 1605 is fixedly connected to the lower end of the center cone 1601. The second motor 1605 drives the center cone 1601 to rotate, and the steel slag falling into the gap between the center cone 1601 and the outer roller 1602 is further crushed. And the crushed steel slag is discharged from a discharge hole of the crushing box 1 after falling.

Specifically, the gap between the center taper roller 1601 and the outer roller 1602 gradually decreases from top to bottom.

The working principle of the utility model is as follows:

in operation, the first motor 4, the second motor 1605, the third motor 17 and the fourth motor 19 are started to throw steel slag from the feed inlet. Part of the steel slag falls to the middle position of the crushing roller 2 through the space between the connecting rod 302 and the distributing plate 303 under the action of self gravity; the other part of the steel slag falls on the distributing plates 303 at both sides and slides to both sides along the distributing plates 303. During the sliding process, part of the steel slag falls down through the holes 304, and the rest of the steel slag slides down along the distributing plate 303. The crushing roller 2 rotates under the driving action of the fourth motor 19 and the gear set 18 to primarily crush the steel slag. The crushed steel slag falls on the screen plate 9 for screening. When steel slag falls, impact force is generated on the screen plate 9, the screen plate 9 shakes up and down irregularly under the combined action of the impact force and the spring 1, screening efficiency can be improved, and mesh blockage can be prevented to a certain extent. The third motor 17 drives the cam 13 to rotate, and the cam 13 intermittently jacks up the screen plate 9, so that the shaking effect of the screen plate 9 can be improved, and the screening efficiency can be improved. The steel slag with the grain diameter larger than that of the screen plate 9 is retained above the screen plate 9, enters into the material lifting box 14 through the material lifting opening 7 under the continuous shaking action of the screen plate 9, is lifted under the action of the auger 6, is discharged from the blanking opening 8, and falls on the crushing roller 2 for crushing again. The sieved steel slag enters a material collecting box 15. The steel slag with smaller grain size directly falls down through the through hole of the material collecting box 15 and is discharged, so that secondary crushing is avoided, and the steel slag with larger grain size falls into a gap between the center cone roller 1601 and the outer roller 1602 from the outlet of the material collecting box 15 and is further crushed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steel slag crushing device comprises a crushing box (1) and a crushing roller (2); the method is characterized in that: a distributing device (3) in an inverted V shape is arranged above the crushing roller (2) in the crushing box (1); the distributing device (3) comprises a connecting shaft (301) fixedly arranged on the inner wall of the crushing box (1); the outer walls of the two sides of the connecting shaft (301) are fixedly connected with a distributing plate (303) through connecting rods (302); a plurality of holes (304) are arranged on the distributing plate (303).

2. The steel slag crushing apparatus of claim 1 wherein: a gear set (18) meshed with each other is arranged on the rotating shaft of the crushing roller (2); the rotating shaft of one crushing roller (2) is fixedly connected with the output end of a fourth motor (19).

3. The steel slag crushing apparatus of claim 2 wherein: a screen plate (9) is movably arranged below the crushing roller (2); the lower end surfaces of the two ends of the screen plate (9) are fixedly connected with sliding blocks (11) through support rods (10) in an L shape; a chute for accommodating the sliding block (11) is formed in the side wall of the crushing box (1); springs (12) are arranged between the upper end and the lower end of the sliding block (11) and the wall of the sliding groove.

4. A steel slag crushing apparatus according to claim 3, wherein: the screen plate (9) is obliquely arranged; the side wall of the crushing box (1) is communicated with a material extracting box (14), and the material extracting box (14) is positioned at the relatively lower end of the screen plate (9).

5. The steel slag crushing apparatus of claim 4 wherein: the material extracting box (14) comprises a box body (5) fixedly connected to the outer wall of the crushing box (1); an auger (6) is rotatably arranged in the box body (5); one end of the auger (6) is fixedly connected with the first motor (4); the upper part and the lower part of one side of the box body (5) contacted with the crushing box (1) are respectively provided with a blanking port (8) and a lifting port (7).

6. The steel slag crushing apparatus of claim 5 wherein: a rotating shaft is rotatably arranged on the inner wall of the crushing box (1), and an eccentric wheel (13) is fixedly connected on the rotating shaft; one end of the rotating shaft is fixedly connected with the output end of the third motor (17).

7. A steel slag crushing apparatus according to claim 3, wherein: a material collecting box (15) is fixedly arranged below the screen plate (9); a secondary crushing assembly (16) is arranged below the discharging end of the material collecting box (15).

8. The steel slag crushing apparatus of claim 7 wherein: a plurality of through holes are formed in the material collecting box (15).

9. The steel slag crushing apparatus of claim 7 or 8, wherein: the secondary crushing assembly (16) comprises a central conical roller (1601) and an outer roller (1602) positioned outside the central conical roller (1601); crushing teeth are fixedly connected on the opposite side surfaces of the central cone roller (1601) and the outer roller (1602); the outer roller (1602) is fixedly connected with the inner wall of the crushing box (1) through a connecting rod (1603); the inner wall of the crushing box (1) is fixedly connected with a bracket (1604); the bracket (1604) is provided with a second motor (1605); an output shaft of the second motor (1605) is fixedly connected with the lower end of the central conical roller (1601).

10. The steel slag crushing apparatus of claim 9 wherein: the gap between the center cone roller (1601) and the outer roller (1602) gradually decreases from top to bottom.