Magnetic separator for recovering slag metallic iron

Abstract

The utility model relates to the technical field of slag recovery, and provides a magnetic separator for slag metallic iron recovery, which comprises a bottom plate, slideways fixedly mounted at two ends of the top surface of the bottom plate through lower supports, a fixed frame slidably mounted between the two slideways, two screening shafts rotatably mounted on the inner side of the fixed frame, and permanent magnets mounted on half of the screening shafts. A waste collecting plate is fixedly installed on the bottom face of the middle of the fixing frame, a scraping plate and a guide plate are fixedly installed at the two ends of the lower portion of the inner side of the fixing frame respectively, and a first conveying device and a second conveying device are installed below the fixing frame. The iron particles in the slag can be continuously sucked and are continuously recycled in cooperation with scraping of the scraping plate, and the recycling efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slag recovery and relates to a magnetic separator for recovering metallic iron from slag. Background Art

[0002] Slag is a molten substance floating on the surface of liquid substances such as metals generated during the pyrometallurgical process. It is mainly composed of oxides, and often contains sulfides and a small amount of metal.

[0003] There are still many iron metal particles remaining in the slag, which can be recycled. After the slag is crushed, it is screened and collected by a screening machine. For the vibrating screening machine, the iron particles are recovered through vibration and the attraction of magnets. However, when a certain amount is collected, the screening components attract more iron particles, and the absorption efficiency begins to decrease. Even the outermost magnetic force is small and insufficient to attract iron particles. Utility Model Content

[0004] The utility model aims to provide a magnetic separator for recovering metallic iron in slag, which solves the technical problem that many ferrous metal particles still remain in the slag and need to be recycled, and the existing magnetic separation device magnetically attracts more metallic iron particles at any time, the magnetic force decreases, and the recovery efficiency is low.

[0005] The technical scheme of the utility model is realized as follows: it comprises a bottom plate, slideways are fixedly installed at both ends of the top surface of the bottom plate through lower brackets, the slideways are fixedly installed on the inner sides of the tops of the two lower brackets by welding, a fixed frame is slidably installed between the two slideways, two screening shafts are rotatably installed on the inner side of the fixed frame, a permanent magnet is installed on one half side of the screening shaft, a waste collection plate is fixedly installed on the bottom surface of the middle part of the fixed frame, a scraper and a guide plate are fixedly installed at both ends of the lower inner side of the fixed frame, the scraper and the guide plate are made of rubber material, and two conveying devices 1 and 2 are installed below the fixed frame.

[0006] As a preferred solution of the utility model, a plurality of bases are fixedly installed on the bottom surface of the base plate, and the plurality of bases are fixedly installed on the bottom surface of the base plate by means of threads.

[0007] As a preferred solution of the utility model, slide bars are fixedly installed on both outer sides of the fixed frame, the slide bars are slidably installed on the inner side of the slideway, and the slide bars are fixedly installed on both outer sides of the fixed frame by bolt connection.

[0008] As a preferred solution of the utility model, a rack is fixedly installed on the top surface of the slide bar, a gear is installed on the rack, the gear is fixedly installed on the rotating shaft of motor three, motor three is fixedly installed in the middle of the slide, and a heat dissipation channel is arranged on the outer side of the circumference of motor three, which can increase the contact area with the air and accelerate the heat dissipation. Motor three is a stepper motor, and the two motors three rotate in relative direction, one is clockwise and the other is counterclockwise.

[0009] As a preferred solution of the utility model, two upper brackets are fixedly installed on the top of the four lower brackets, a collecting bucket is installed between the tops of the upper brackets, and the collecting bucket is fixedly installed between the tops of the upper brackets by bolt connection.

[0010] As a preferred solution of the utility model, motor four is fixedly installed on the front side of the fixed frame, two screening shafts are fixedly installed on the rotating shaft of motor four, and a heat dissipation channel is arranged on the outer side of the circumference of motor four to increase the contact area with the air and accelerate the heat dissipation. Motor four is a stepper motor.

[0011] As a preferred solution of the utility model, a conveying device includes a shell, a motor is fixedly installed on the outer side of the shell, a conveyor belt is rotatably installed on the motor, the conveyor belt is rotatably installed on the inner side of the shell, and a heat dissipation channel is arranged on the outer side of the circumference of the motor, which can increase the contact area with the air and accelerate the heat dissipation.

[0012] As a preferred solution of the utility model, the second conveying device includes a shell 2, a motor 2 is fixedly installed on the outer side of the shell 2, a conveyor belt 2 is rotatably installed on the motor 2, and the conveyor belt 2 is rotatably installed on the inner side of the shell 2. A heat dissipation channel is arranged on the outer side of the circumference of the motor, which can increase the contact area with the air and accelerate the heat dissipation.

[0013] The utility model is a magnetic separator for recovering metallic iron from slag, which has the following beneficial effects: the utility model has two screening shafts rotatably installed inside a fixed frame, and two permanent magnets on the outer side thereof, which utilize the relative rotation of the two to achieve uninterrupted attraction of iron particles, and cooperate with the scraping of the scraper to achieve uninterrupted recovery of iron particles in the slag, thereby improving the recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall structural diagram of an embodiment of the utility model;

[0015] Figure 2 It is a top structure diagram of an embodiment of the utility model;

[0016] Figure 3 This is an inner structural diagram of an embodiment of the utility model;

[0017] Figure 4 This is a structural diagram of the second transmission device of the utility model embodiment;

[0018] Figure 5 A structural diagram of a conveying device according to an embodiment of the utility model;

[0019] In the figure: 1, bottom plate; 2, base; 3, lower bracket; 4, upper bracket; 5, collecting bucket; 6, fixed frame; 7, conveying device 1; 701, shell 1; 702, conveyor belt 1; 703, motor 1; 8, conveying device 2; 801, shell 2; 802, conveyor belt 2; 803, motor 2; 9, gear; 10, motor 3; 11, rack; 12, slide bar; 13, slideway; 14, motor 4; 15, waste collecting plate; 16, scraper; 17, guide plate; 18, permanent magnet; 19, screening shaft. DETAILED DESCRIPTION

[0020] like Figures 1 to 5 As shown, the utility model discloses a magnetic separator for recovering metallic iron from slag, and the technical scheme adopted is as follows: it comprises a bottom plate 1, slideways 13 are fixedly installed at both ends of the top surface of the bottom plate 1 through a lower bracket 3, a fixed frame 6 is slidably installed between the two slideways 13, two screening shafts 19 are rotatably installed inside the fixed frame 6, a permanent magnet 18 is installed on one half side of the screening shaft 19, a waste collecting plate 15 is fixedly installed on the bottom surface of the middle part of the fixed frame 6, a scraper 16 and a guide plate 17 are fixedly installed at both ends of the lower inner side of the fixed frame 6, two conveying devices 1 7 and a conveying device 2 8 are installed below the fixed frame 6, the utility model has two screening shafts 19 rotatably installed inside the fixed frame 6, and two permanent magnets 18 on the outer side thereof, and utilize the relative steering of the two to realize the uninterrupted attraction of iron particles, cooperate with the scraping of the scraper 16 to realize the uninterrupted recovery of iron particles in the slag, and improve the recovery efficiency.

[0021] A plurality of bases 2 are fixedly installed on the bottom surface of the bottom plate 1, and the plurality of bases 2 are used to support the bottom plate 1, so that the magnetic separator for slag metal iron recovery can be placed stably and work better.

[0022] Slide bars 12 are fixedly installed on both outer sides of the fixed frame 6 , and the slide bars 12 are slidably installed on the inner sides of the slideways 13 . The slide bars 12 slide on the inner sides of the slideways 13 to enable the fixed frame 6 to slide back and forth.

[0023] A rack 11 is fixedly installed on the top surface of the slide bar 12, and a gear 9 is installed on the rack 11. The gear 9 is fixedly installed on the rotating shaft of the motor three 10, and the motor three 10 is fixedly installed in the middle of the slideway 13. When the motor three 10 rotates, the gear 9 rotates, and the gear 9 meshes with the rack 11 to provide power for the movement of the fixed frame 6.

[0024] Two upper brackets 4 are fixedly installed on the top of the four lower brackets 3 , and a collecting bucket 5 is installed between the tops of the upper brackets 4 . The upper brackets 4 are used to fix the collecting bucket 5 so that the collecting bucket 5 is installed above the screening shaft 19 .

[0025] A motor 4 14 is fixedly installed on the front side of the fixed frame 6, and two screening shafts 19 are fixedly installed on the rotating shaft of the motor 4 14. The rotation of the motor 4 14 is used to rotate the screening shaft 19.

[0026] The conveying device 7 includes a shell 701, a motor 703 is fixedly installed on the outer side of the shell 701, a conveyor belt 702 is rotatably installed on the motor 703, and the conveyor belt 702 is rotatably installed on the inner side of the shell 701. The motor 703 rotates to rotate the conveyor belt 702 to realize the transmission of the screened iron particles.

[0027] The conveying device 8 includes a shell 801, a motor 803 is fixedly installed on the outer side of the shell 801, a conveyor belt 802 is rotatably installed on the motor 801, and the conveyor belt 802 is rotatably installed on the inner side of the shell 801. The motor 801 rotates to rotate the conveyor belt 802 to realize the transmission of the screened slag.

[0028] The working principle of the magnetic separator for recovering metallic iron from slag: When the magnetic separator for recovering metallic iron from slag is in use, the two motors 14 are controlled to rotate, the screening shaft 19 is rotated, the two permanent magnets 18 are rotated, the motor 3 10 is controlled to rotate, the gear 9 is rotated, the gear 9 is meshed with the rack 11, the slide bar 12 slides on the inside of the slideway 13, the fixed frame 6 slides back and forth, and the crushed slag is transferred to the waste collection plate 15, the iron particles are absorbed by the two permanent magnets 18, the iron particles on the outside of the permanent magnet 18 are scraped off by the scraper 16, the guide plate 17 blocks the particles, and they fall onto the conveying device 7, the motor 703 rotates, the conveyor belt 702 rotates, and the iron particles are transported out, and the waste in the slag is collected by the waste collection plate 15 and falls onto the conveying device 8, the motor 801 rotates, the conveyor belt 802 rotates, and the waste is transported out.

[0029] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A magnetic separator for recovering slag metallic iron, characterized in that: The invention comprises a bottom plate (1), wherein two ends of the top surface of the bottom plate (1) are fixedly mounted with slideways (13) via a lower bracket (3), a fixed frame (6) is slidably mounted between the two slideways (13), two screening shafts (19) are rotatably mounted inside the fixed frame (6), a permanent magnet (18) is mounted on one half of the screening shaft (19), a waste collecting plate (15) is fixedly mounted on the bottom surface of the middle part of the fixed frame (6), a scraper (16) and a guide plate (17) are respectively fixedly mounted on the two ends of the lower inner side of the fixed frame (6), and two conveying devices 1 (7) and 2 (8) are mounted below the fixed frame (6).

2. A magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: A plurality of bases (2) are fixedly mounted on the bottom surface of the base plate (1).

3. A magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: Slide bars (12) are fixedly mounted on both outer sides of the fixed frame (6), and the slide bars (12) are slidably mounted on the inner side of the slideway (13).

4. A magnetic separator for recovering slag metallic iron according to claim 3, characterized in that: A rack (11) is fixedly mounted on the top surface of the slide bar (12), a gear (9) is mounted on the rack (11), the gear (9) is fixedly mounted on the rotating shaft of motor three (10), and motor three (10) is fixedly mounted in the middle of the slideway (13).

5. The magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: Two upper brackets (4) are fixedly mounted on the tops of the four lower brackets (3), and a collecting bucket (5) is mounted between the tops of the upper brackets (4).

6. The magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: A motor four (14) is fixedly mounted on the front side of the fixed frame (6), and two screening shafts (19) are fixedly mounted on the rotating shaft of the motor four (14).

7. The magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: The conveying device 1 (7) comprises a shell 1 (701), a motor 1 (703) is fixedly mounted on the outer side of the shell 1 (701), a conveyor belt 1 (702) is rotatably mounted on the motor 1 (703), and the conveyor belt 1 (702) is rotatably mounted on the inner side of the shell 1 (701).

8. The magnetic separator for recovering slag metallic iron according to claim 1, characterized in that: The second conveying device (8) comprises a second shell (801), a second motor (803) is fixedly mounted on the outer side of the second shell (801), a second conveyor belt (802) is rotatably mounted on the second motor (803), and the second conveyor belt (802) is rotatably mounted on the inner side of the second shell (801).

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