Ore crushing device for iron ore smelting

Abstract

The ore crushing device for iron ore smelting comprises a crushing bin, a crushing structure, a spiral conveying mechanism and a dust removal structure, a screening plate is arranged in the crushing bin and is of an L-shaped structure, a vibration motor is arranged at the bottom of the screening plate, a feeding bin is arranged on the crushing bin, and a discharging bin is arranged on the feeding bin. The spiral conveying mechanism is arranged on the side wall of the crushing bin, a circulating feeding port is formed between the spiral conveying mechanism and the crushing bin, a circulating discharging pipe is connected between the side wall of the top of the spiral conveying mechanism and the feeding bin, and the crushing structure is installed in the crushing bin and located below the feeding bin. And the dust removal structure is arranged at the top in the crushing bin. The utility model relates to the technical field of ore crushing, and particularly provides an ore crushing device for iron ore smelting.

Description

Technical Field

[0001] The utility model relates to the technical field of ore crushing, in particular to an ore crushing device for iron ore smelting. Background Art

[0002] Iron ore is the main raw material for the steel industry. Natural ore mining can produce iron concentrate and ferroalloys through processes such as crushing, grinding, magnetic separation, flotation and smelting, which are used to manufacture various steels and other industrial products. Blast furnace smelting requires large pieces of iron ore to be crushed in order to quickly smelt products, save energy and improve efficiency.

[0003] The existing crushing equipment used for blast furnace smelting iron ore has average crushing uniformity and average one-time crushing effect. It is unable to cyclically crush larger fragments, and dust pollution will be generated during the crushing process. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the ore crushing device is uneven in crushing and cannot be cyclically crushed, and dust pollution is generated at the same time, affecting the environment.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: the utility model proposes an ore crushing device for iron ore smelting, including a crushing bin, a crushing structure, a screw conveying mechanism and a dust removal structure. A screening plate is provided in the crushing bin, and the screening plate is arranged in an L-shaped structure. A vibration motor is provided at the bottom of the screening plate. A feeding bin is provided on the crushing bin. The screw conveying mechanism is arranged on the side wall of the crushing bin. A circulating feed port is opened between the screw conveying mechanism and the crushing bin. A circulating discharge pipe is connected between the top side wall of the screw conveying mechanism and the feed bin. The crushing structure is installed in the crushing bin and is located below the feed bin. The dust removal structure is arranged at the top of the crushing bin.

[0006] Furthermore, the crushing structure includes a crushing roller, a driving shaft and a driving motor. A protective box is provided on the rear wall of the crushing bin. Both ends of the crushing roller are rotatably arranged on the opposite side walls in the crushing bin. Both ends of the driving shaft are rotatably arranged on the inner side walls of the protective box and are connected to the crushing roller. The crushing roller and the driving shaft are symmetrically arranged in two groups. Gear 1 is provided on the driving shaft. The driving motor is arranged on the side wall of the protective box and the power output shaft extends to the inside. Gear 2 is provided on the power output shaft of the driving motor, and the gear 2 is respectively meshed with the two groups of gears 1.

[0007] Furthermore, a belt conveyor mechanism is provided on the inner bottom wall of the crushing bin, and a discharge port is provided on the bottom side wall of the crushing bin.

[0008] Furthermore, the dust removal structure includes a dust collector, a dust suction pipe and a dust suction head. The dust suction heads are provided in multiple groups, and the multiple groups of dust suction heads are respectively arranged on the inner wall of the feed bin and the inner wall of the crushing bin. The dust collector is installed on the top of the crushing bin, and the dust collector is connected to the dust suction head through the dust suction pipe.

[0009] Furthermore, a guide plate is provided on the top wall of the crushing bin at the feed bin.

[0010] Furthermore, a control display screen is provided in front of the crushing bin, and the drive motor, vibration motor, dust collector, screw conveying mechanism and belt conveying mechanism are all electrically connected to the control display screen.

[0011] The utility model proposes an ore crushing device for iron ore smelting, which adopts the above structure to achieve the following beneficial effects:

[0012] (1) The crushing structure and the screening plate are used to crush and screen the ore raw materials. The crushed stones that meet the requirements fall onto the belt conveyor mechanism for external transportation, and the raw materials that do not meet the size are circulated and crushed through the screw conveyor mechanism. The operation is simple and convenient;

[0013] (2) The dust inside the feed bin and crushing bin is absorbed by the dust collector, dust suction pipe and dust suction head to prevent dust from overflowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 The overall structure of an ore crushing device for iron ore smelting proposed by the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of an ore crushing device for iron ore smelting proposed by the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 The overall structure of an ore crushing device for iron ore smelting proposed by the utility model is shown in FIG. Figure 3 ;

[0018] Figure 4 The overall structure of an ore crushing device for iron ore smelting proposed by the utility model is shown in FIG. Figure 4 ;

[0019] Figure 5 for Figure 4 A partial enlarged schematic diagram of part A.

[0020] Among them, 1. crushing bin, 2. crushing structure, 3. screw conveying mechanism, 4. dust removal structure, 5. screening plate, 6. vibration motor, 7. feed bin, 8. circulating feed port, 9. circulating discharge pipe, 10. crushing roller, 11. driving shaft, 12. driving motor, 13. protective box, 14. gear one, 15. gear two, 16. belt conveying mechanism, 17. discharge port, 18. dust collector, 19. dust suction pipe, 20. dust suction head, 21. guide plate, 22. control display screen. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] like Figures 1 to 5 As shown, the technical solution adopted by the utility model is as follows: an ore crushing device for iron ore smelting, comprising a crushing bin 1, a crushing structure 2, a spiral conveying mechanism 3 and a dust removal structure 4, a screening plate 5 is provided in the crushing bin 1, the screening plate 5 is an L-shaped structure, a vibration motor 6 is provided at the bottom of the screening plate 5, a feeding bin 7 is provided on the crushing bin 1, the spiral conveying mechanism 3 is provided on the side wall of the crushing bin 1, a circulating feeding port 8 is provided between the spiral conveying mechanism 3 and the crushing bin 1, a circulating discharge pipe 9 is connected between the top side wall of the spiral conveying mechanism 3 and the feed bin 7, the crushing structure 2 is installed in the crushing bin 1 and is located below the feed bin 7, the dust removal structure 4 is provided at the top of the crushing bin 1, a belt conveying mechanism 16 is provided on the bottom wall of the crushing bin 1, a discharge port 17 is provided on the bottom side wall of the crushing bin 1, and a guide plate 21 is provided on the top wall of the crushing bin 1 located at the feed bin 7.

[0024] like Figures 3 to 5As shown, the crushing structure 2 includes a crushing roller 10, a driving shaft 11 and a driving motor 12. A protective box 13 is provided on the rear wall of the crushing chamber 1. Both ends of the crushing roller 10 are rotatably arranged on the opposite side walls in the crushing chamber 1. Both ends of the driving shaft 11 are rotatably arranged on the inner wall of the protective box 13 and are connected to the crushing roller 10. The crushing roller 10 and the driving shaft 11 are symmetrically arranged in two groups. A gear 14 is provided on the driving shaft 11. The driving motor 12 is arranged on the side wall of the protective box 13 and the power output shaft extends to the inside. A gear 2 15 is provided on the power output shaft of the driving motor 12, and the gear 2 15 is respectively meshed with the two groups of gears 14.

[0025] like Figure 2 and Figure 3 As shown, the dust removal structure 4 includes a dust collector 18, a dust suction pipe 19 and a dust suction head 20. The dust suction head 20 is provided in multiple groups, and the multiple groups of dust suction heads 20 are respectively arranged on the inner wall of the feed bin 7 and the inner wall of the crushing bin 1. The dust collector 18 is installed on the top of the crushing bin 1, and the dust collector 18 is connected to the dust suction head 20 through the dust suction pipe 19.

[0026] A control display screen 22 is provided in front of the crushing bin 1 , and the drive motor 12 , the vibration motor 6 , the dust collector 18 , the screw conveying mechanism 3 and the belt conveying mechanism 16 are all electrically connected to the control display screen 22 .

[0027] During specific use, iron ore is put into the crushing bin 1 from the feed bin 7, and the drive motor 12 is started. The two sets of gears 14 are driven to rotate in opposite directions through the gear 2 15, thereby driving the drive shaft 11 and the crushing roller 10 to rotate for crushing. The crushed stones are screened by the screening plate 5 and the vibration motor 6. The stones that meet the size fall onto the belt conveyor mechanism 16 and are transported out. The larger stones enter the spiral conveyor mechanism 3 for cyclic crushing. At the same time, the dust collector 18 and the dust suction head 20 are provided to effectively remove dust from the crushing bin 1 and the feed bin 7.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ore crushing device for iron ore smelting, characterized in that: It includes a crushing bin, a crushing structure, a spiral conveying mechanism and a dust removal structure. A screening plate is arranged in the crushing bin, and the screening plate is arranged in an L-shaped structure. A vibration motor is arranged at the bottom of the screening plate. A feeding bin is arranged on the crushing bin. The spiral conveying mechanism is arranged on the side wall of the crushing bin. A circulating feeding port is opened between the spiral conveying mechanism and the crushing bin. A circulating discharge pipe is connected between the top side wall of the spiral conveying mechanism and the feeding bin. The crushing structure is installed in the crushing bin and is located below the feeding bin. The dust removal structure is arranged on the top of the crushing bin.

2. The ore crushing device for iron ore smelting according to claim 1 is characterized in that: The crushing structure includes a crushing roller, a driving shaft and a driving motor. A protective box is provided on the rear wall of the crushing bin. Both ends of the crushing roller are rotatably arranged on opposite side walls in the crushing bin. Both ends of the driving shaft are rotatably arranged on the inner side walls of the protective box and are connected to the crushing roller. The crushing roller and the driving shaft are symmetrically arranged in two groups. Gear 1 is provided on the driving shaft. The driving motor is arranged on the side wall of the protective box and the power output shaft extends to the inside. Gear 2 is provided on the power output shaft of the driving motor, and the gear 2 is respectively meshed with the two groups of gears 1.

3. The ore crushing device for iron ore smelting according to claim 2 is characterized in that: A belt conveying mechanism is arranged on the inner bottom wall of the crushing bin, and a discharge port is arranged on the bottom side wall of the crushing bin.

4. The ore crushing device for iron ore smelting according to claim 3 is characterized in that: The dust removal structure includes a dust collector, a dust suction pipe and a dust suction head. The dust suction head is provided in multiple groups, and the multiple groups of dust suction heads are respectively arranged on the inner wall of the feeding bin and the inner wall of the crushing bin. The dust collector is installed on the top of the crushing bin, and the dust collector is connected to the dust suction head through the dust suction pipe.

5. The ore crushing device for iron ore smelting according to claim 4 is characterized in that: A guide plate is provided on the top wall of the crushing bin at the feeding bin.

6. The ore crushing device for iron ore smelting according to claim 5, characterized in that: A control display screen is arranged in front of the crushing bin, and the drive motor, the vibration motor, the dust collector, the screw conveying mechanism and the belt conveying mechanism are all electrically connected to the control display screen.

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