Iron oxide scale-based magnetic separation device for preparing reduced iron powder

Abstract

The utility model provides a magnetic separation device for preparing reduced iron powder based on oxide scale, which relates to the technical field of iron powder magnetic separation and comprises a magnetic separation rack, a guide plate is arranged on the inner side of the magnetic separation rack, a magnetic separation roller is arranged on the inner side of the magnetic separation rack, and a first motor is mounted at one end of the magnetic separation roller. A magnetic separation groove is formed in one end of the material guide plate and located below the magnetic separation roller. Mounting support is provided for the guide rail through the side supporting frame, the feeding hopper is installed on one side of the guide rail in a sliding mode, the second motor is used for driving the lead screw to rotate, then the feeding hopper is controlled to be matched with the sliding block to achieve back-and-forth movement adjustment, reduced iron powder can be evenly conveyed to the guide plate in the feeding process, and the feeding efficiency is improved. And the materials are uniformly dispersed in cooperation with the partition plates, so that uniform and efficient magnetic separation work is guaranteed, and the problem that the effect is reduced due to excessive adsorption of iron powder in partial areas is solved.

Description

Technical Field

[0001] This utility model relates to the field of magnetic separation technology for iron powder, and in particular to a magnetic separation device for preparing reduced iron powder based on iron oxide scale. Background Technology

[0002] The processes for reducing iron oxide generally include coal-based direct reduction and gas-based direct reduction, with representative equipment including coal-based rotary kilns and gas-based vertical shaft furnaces. Reduced iron powder requires magnetic separation during preparation.

[0003] Existing magnetic separation devices for reduced iron powder cannot guarantee the uniformity of the feed during magnetic separation, resulting in uneven dispersion of iron powder. This leads to excessive adsorption of iron powder in some areas and insufficient adsorption in others, thus affecting the preparation effect. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the existing technology that the uniformity of feeding cannot be guaranteed during magnetic separation, resulting in uneven dispersion of iron powder, which leads to excessive adsorption of iron powder in some areas and insufficient adsorption in other areas, thus affecting the preparation effect. Therefore, this invention proposes a magnetic separation device for preparing reduced iron powder based on iron oxide scale.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a magnetic separation device for preparing reduced iron powder based on iron oxide scale, comprising a magnetic separator frame, a guide plate arranged on the inner side of the magnetic separator frame, a magnetic separation roller arranged on the inner side of the magnetic separator frame, a first motor installed at one end of the magnetic separation roller, a magnetic separation groove arranged at one end of the guide plate, the magnetic separation groove being located below the magnetic separation roller, a first guide plate and a second guide plate arranged on one end of the inner side of the magnetic separator frame, the first guide plate being located on the side of the magnetic separation groove, the second guide plate being located on the side of the first guide plate, a side support frame fixedly installed at the other end of the magnetic separator frame, a guide rail arranged on the top of the side support frame, a lead screw arranged on the inner side of the guide rail, a second motor arranged at one end of the lead screw, a feeding hopper arranged on the side of the guide rail, and one side of the feeding hopper being threadedly connected to the outer wall of the lead screw via a slider.

[0006] Preferably, a fine material collection box is installed at the bottom of the second guide plate, a discharge pipe is connected to the bottom of the fine material collection box, an auger is provided on the inner side of the discharge pipe, a drive shaft is connected to the inner side of the auger, and a third motor is installed on the top of the drive shaft.

[0007] Preferably, a tailings outlet is provided between the magnetic separator and the first guide plate, and a finishings outlet is provided between the first guide plate and the second guide plate.

[0008] Preferably, the bottom of the magnetic separator is connected to a tailings collection box, and the top of the tailings collection box is connected to the inside of the tailings outlet.

[0009] Preferably, the top of the guide plate is evenly distributed with multiple partition plates, which are evenly distributed on the side of the magnetic separator roller.

[0010] Preferably, the magnetic separator roller is provided with a rotating shaft at both ends, and each rotating shaft is connected to a first motor.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, the guide rail is supported by a side support frame, and a feeding hopper is slidably installed on one side of the guide rail. The screw is driven by a second motor to rotate, thereby controlling the feeding hopper to move back and forth in conjunction with the slider. This facilitates the uniform delivery of reduced iron powder to the guide plate during feeding, and the material is evenly dispersed in conjunction with the partition plate. This helps to ensure uniform and efficient magnetic separation and avoids the problem of excessive iron powder adsorption in some areas, which would reduce the effect.

[0013] 2. In this utility model, the fine material collection box can load the fine material separated by magnetic separation, and the discharge pipe facilitates the discharge of the fine material. The third motor drives the transmission shaft to rotate, which in turn drives the auger to rotate to realize the function of pushing the material, thereby improving the efficiency of feeding and avoiding blockage. At the same time, it can also provide the function of quantitative feeding. Attached Figure Description

[0014] Figure 1 A three-dimensional structural schematic diagram of a magnetic separation device for preparing reduced iron powder based on iron oxide scale is provided for this utility model;

[0015] Figure 2 This utility model presents a schematic diagram of another angle of the structure of a magnetic separation device for preparing reduced iron powder based on iron oxide scale;

[0016] Figure 3 This invention provides a cross-sectional structural schematic diagram of a magnetic separation device for preparing reduced iron powder based on iron oxide scale;

[0017] Figure 4 This invention presents a partial cross-sectional view of a magnetic separation device for preparing reduced iron powder based on iron oxide scale.

[0018] Legend: 1. Magnetic separator frame; 2. Guide plate; 3. Magnetic roller; 4. First motor; 5. Magnetic separator trough; 6. Tail outlet; 7. First guide plate; 8. Second guide plate; 9. Finished material outlet; 10. Tail collection box; 11. Discharge pipe; 12. Side support frame; 13. Guide rail; 14. Lead screw; 15. Second motor; 16. Feed hopper; 17. Screw; 18. Drive shaft; 19. Third motor; 20. Finished material collection box; 21. Divider plate. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification. Example

[0021] like Figures 1-4 As shown, this utility model provides a technical solution: a magnetic separation device for preparing reduced iron powder based on iron oxide scale, including a magnetic separator frame 1, a guide plate 2 arranged on the inner side of the magnetic separator frame 1, a magnetic separation roller 3 arranged on the inner side of the magnetic separator frame 1, a first motor 4 installed at one end of the magnetic separation roller 3, a magnetic separation groove 5 arranged at one end of the guide plate 2, the magnetic separation groove 5 being arranged below the magnetic separation roller 3, a first guide plate 7 and a second guide plate 8 arranged on one end of the inner side of the magnetic separator frame 1, the first guide plate 7 being arranged to the side of the magnetic separation groove 5, and the second guide plate 8 being arranged to the side of the first guide plate 7. On the side, a side support frame 12 is fixedly installed at the other end of the magnetic separator frame 1. A guide rail 13 is provided on the top of the side support frame 12. A lead screw 14 is provided on the inner side of the guide rail 13. A second motor 15 is provided at one end of the lead screw 14. A feeding hopper 16 is provided on the side of the guide rail 13. One side of the feeding hopper 16 is threaded to the outer wall of the lead screw 14 via a slider. Multiple partition plates 21 are evenly distributed on the top of the guide plate 2. The partition plates 21 are evenly distributed on the side of the magnetic separator roller 3. Rotating shafts are provided at both ends of the magnetic separator roller 3. Each rotating shaft is connected to the first motor 4.

[0022] In this embodiment, the guide plate 2 facilitates feeding of material into the magnetic separator frame 1, and the first motor 4 drives the magnetic separation roller 3 to rotate in conjunction with the magnetic separation tank 5 to provide magnetic separation of iron powder. The first guide plate 7 and the second guide plate 8 provide convenient obstruction, which is beneficial for separating the refined material and the tail material during magnetic separation, thus achieving efficient magnetic separation. The side support frame 12 provides installation support for the guide rail 13, and the feeding hopper 16 is slidably installed on one side of the guide rail 13. The second motor 15 drives the lead screw 14 to rotate, thereby controlling the feeding hopper 16 to move back and forth in conjunction with the slider. This is beneficial for evenly conveying the reduced iron powder to the guide plate 2 during feeding, and the separation plate 21 ensures uniform material dispersion, which helps to ensure uniform and efficient magnetic separation and avoids the problem of excessive iron powder adsorption in some areas, which would reduce the effect. Example

[0023] like Figures 1-4As shown, a fine material collection box 20 is installed at the bottom of the second guide plate 8. A discharge pipe 11 is connected to the bottom of the fine material collection box 20. An auger 17 is provided inside the discharge pipe 11. A drive shaft 18 is connected to the inside of the auger 17. A third motor 19 is installed at the top of the drive shaft 18. A tail material port 6 is provided between the magnetic separation tank 5 and the first guide plate 7. A fine material port 9 is provided between the first guide plate 7 and the second guide plate 8. A tail material collection box 10 is connected to the bottom of the magnetic separation tank 5. The top of the tail material collection box 10 is connected to the inside of the tail material port 6.

[0024] In this embodiment, the refined material collected by magnetic separation can be loaded into the refined material collection box 20, and the refined material can be discharged through the discharge pipe 11. The transmission shaft 18 is driven by the third motor 19 to rotate, which in turn drives the auger 17 to rotate to realize the function of pushing material, thereby improving the material feeding efficiency and avoiding blockage. At the same time, it can also provide a quantitative feeding function. The tail material port 6 and the refined material port 9 provide space for the feeding of tail material and refined material respectively. The tail material collection box 10 facilitates the storage of tail material, and the side cover of the tail material collection box 10 facilitates the discharge of tail material.

[0025] The working principle of this embodiment is as follows: During use, the material is first fed into the magnetic separator frame 1 via the guide plate 2. A feeding hopper 16 is slidably mounted on one side of the guide rail 13. The second motor 15 drives the lead screw 14 to rotate, thereby controlling the feeding hopper 16 to move back and forth in conjunction with the slider. This facilitates the even delivery of reduced iron powder to the guide plate 2 during feeding, and, in conjunction with the separator plate 21, achieves uniform material dispersion. The first motor 4 drives the magnetic separation roller 3 to rotate, working with the magnetic separation tank 5 to provide magnetic separation of the iron powder. The first guide plate 7 and the second guide plate 8 facilitate the provision of barriers. It facilitates the separation of concentrate and tailings during magnetic separation, achieving efficient magnetic separation. The concentrate collected by magnetic separation can be loaded through the concentrate collection box 20, and the concentrate can be discharged through the discharge pipe 11. The third motor 19 drives the transmission shaft 18 to rotate, which in turn drives the auger 17 to rotate, thus realizing the pushing function, which helps to improve the feeding efficiency and avoid blockage. At the same time, it can also provide a quantitative feeding function. The tailings port 6 and concentrate port 9 provide space for feeding tailings and concentrates respectively, and the tailings collection box 10 facilitates the storage of tailings.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A magnetic separation device for preparing reduced iron powder based on iron oxide scale, comprising a magnetic separator frame (1), characterized in that: A guide plate (2) is provided on the inner side of the magnetic separator frame (1), and a magnetic separation roller (3) is provided on the inner side of the magnetic separator frame (1). A first motor (4) is installed at one end of the magnetic separation roller (3). A magnetic separation trough (5) is provided at one end of the guide plate (2). The magnetic separation trough (5) is located below the magnetic separation roller (3). A first guide plate (7) and a second guide plate (8) are provided on one end of the inner side of the magnetic separator frame (1). The first guide plate (7) is located on the side of the magnetic separation trough (5). The second guide plate (8) is located on the side of the first guide plate (7). The other end of the magnetic separator frame (1) is fixedly installed with a side support frame (12). The top of the side support frame (12) is provided with a guide rail (13). The inner side of the guide rail (13) is provided with a lead screw (14). One end of the lead screw (14) is provided with a second motor (15). The side of the guide rail (13) is provided with a feeding hopper (16). One side of the feeding hopper (16) is threadedly connected to the outer wall of the lead screw (14) by a slider.

2. The magnetic separation device for preparing reduced iron powder based on iron oxide scale according to claim 1, characterized in that: The bottom of the second guide plate (8) is equipped with a fine material collection box (20), the bottom of the fine material collection box (20) is connected to a discharge pipe (11), the inner side of the discharge pipe (11) is provided with an auger (17), the inner side of the auger (17) is connected to a drive shaft (18), and the top of the drive shaft (18) is equipped with a third motor (19).

3. The magnetic separation device for preparing reduced iron powder based on iron oxide scale according to claim 1, characterized in that: A tailings outlet (6) is provided between the magnetic separator (5) and the first guide plate (7), and a finishings outlet (9) is provided between the first guide plate (7) and the second guide plate (8).

4. The magnetic separation device for preparing reduced iron powder based on iron oxide scale according to claim 3, characterized in that: The bottom of the magnetic separator (5) is connected to a tailings collection box (10), and the top of the tailings collection box (10) is connected to the inside of the tailings outlet (6).

5. The magnetic separation device for preparing reduced iron powder based on iron oxide scale according to claim 1, characterized in that: The top of the guide plate (2) is evenly distributed with multiple partition plates (21), which are evenly distributed on the side of the magnetic separator (3).

6. The magnetic separation device for preparing reduced iron powder based on iron oxide scale according to claim 1, characterized in that: The magnetic separator (3) has rotating shafts at both ends, and each rotating shaft is connected to the first motor (4).

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