Multilayer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GONGYI KAIYUAN ULTRAFINE POWDER CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-08-07
AI Technical Summary
[0003]目前矾土粉提纯磁选采用磁辊磁吸，矾土粉下落经过磁辊，随着磁辊表面磁吸物增加，磁辊对经过的矾土粉磁吸性降低，以及矾土粉下料堆积、不均匀，导致矾土粉磁吸存在残留，且结团矾土粉经过磁辊难以被磁吸，造成矾土粉提纯磁选不彻底，实用性差
1、本矾土粉提纯用多层磁场叠加多辊磁选二次吸附装置，通过设置在磁选箱内部的磁吸输送带，用于矾土粉提纯一次磁吸输送，与导料筒、磁吸辊筒和磁辊配合，用于矾土粉提纯二次磁吸，磁选箱内部实现对矾土粉提纯的多层磁场叠加多辊磁选处理，矾土粉提纯磁吸彻底。
Smart Images
Figure CN224599513U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magnetic separation technology for bauxite powder, specifically a multi-layer magnetic field superimposed multi-roller magnetic separation secondary adsorption device for bauxite powder purification. Background Technology
[0002] Bauxite powder is a powdery substance processed from bauxite ore. Its main component is alumina, and it belongs to earthy minerals. Magnetic separation of bauxite powder is mainly used to remove magnetic impurities (such as iron impurities encapsulated or covered by non-magnetic substances) to improve purity. Magnetic separation of bauxite powder is a process that uses the difference in the magnetic properties of minerals to separate them through a magnetic field. It is mainly used to remove magnetic impurities from bauxite powder.
[0003] Currently, magnetic separation for bauxite powder purification uses magnetic rollers. As the bauxite powder falls through the magnetic rollers, the magnetic attraction of the rollers to the passing bauxite powder decreases due to the increase of magnetic attractants on the surface of the rollers. In addition, the accumulation and uneven distribution of bauxite powder result in residual magnetic attraction. Furthermore, agglomerated bauxite powder is difficult to be attracted by the magnetic rollers, resulting in incomplete magnetic separation for bauxite powder purification and poor practicality. Utility Model Content
[0004] The purpose of this invention is to provide a multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for purifying bauxite powder, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for purifying bauxite powder, comprising a magnetic separator, a magnetic conveyor belt at the upper end of the magnetic separator, a guide cylinder inside the magnetic separator, one end of the magnetic conveyor belt inside the guide cylinder, a guide outlet at the bottom of the guide cylinder, a magnetic roller inside the magnetic separator below the guide outlet, the magnetic conveyor belt and the magnetic roller being connected to a transmission mechanism, a scraping mechanism inside the magnetic separator, a magnetic roller inside the magnetic roller, a discharge port at the lower end of the magnetic separator on the side of the magnetic roller away from the magnetic conveyor belt, a discharge guide plate inside the magnetic separator below the magnetic roller on the side of the discharge port, a feeding hopper at the top of the magnetic separator on the side away from the guide cylinder, a bauxite powder cylinder on one side of the magnetic separator, and the bauxite powder cylinder being connected to the feeding hopper via a feeding mechanism.
[0006] Preferably, the scraping mechanism includes a material blocking scraper and a scraping baffle. The bottom of the material guide outlet away from the discharge outlet is provided with a material blocking scraper. The bottom of the material blocking scraper is located on the outer surface of the magnetic roller. A scraping baffle is provided in the magnetic separator at the bottom of the magnetic conveyor belt on one side of the material guide cylinder. The top of the scraping baffle is in contact with the bottom surface of the magnetic conveyor belt.
[0007] Preferably, a recycling drawer is provided in the magnetic separator on the side of the discharge guide plate away from the discharge port, and the magnetic suction roller and scraper baffle are both located above the recycling drawer.
[0008] Preferably, the transmission mechanism includes a first conveyor roller, a second conveyor roller, a first motor, a transmission wheel, and a transmission belt. The first conveyor roller is located inside the magnetic separator at the end away from the guide cylinder, and the second conveyor roller is located inside the magnetic separator inside the guide cylinder. The magnetically attracted conveyor belt is wrapped between the first and second conveyor rollers. The first motor is mounted on one side of the magnetic separator via a motor frame. The output end of the first motor is connected to the first conveyor roller via a coupling. One end of both the magnetically attracted roller and the second conveyor roller is connected to the transmission wheel outside the magnetic separator via a connecting shaft. There are two transmission wheels, and the two transmission wheels are connected by a transmission belt.
[0009] Preferably, the feeding mechanism includes a feeding cylinder, a feeding screw, a rotating rod, a crushing knife, a synchronous belt, and a second motor. The feeding cylinder is located between the magnetic separator and the bauxite powder cylinder. The lower end of one side of the feeding cylinder is connected to the lower end of the same side of the bauxite powder cylinder through a feed inlet, and the upper end of the other side of the feeding cylinder is connected to the feeding hopper through a feeding port. The feeding screw is located inside the feeding cylinder, and the rotating rod is located inside the bauxite powder cylinder. The rotating rod is equipped with a crushing knife. The top of both the rotating rod and the feeding screw is equipped with synchronous pulleys. There are two synchronous pulleys, which are connected by a synchronous belt. The second motor is mounted on the top of the bauxite powder cylinder via a motor frame, and the output end of the second motor is connected to the top connecting shaft of the synchronous pulleys via a coupling.
[0010] Preferably, a screening screen is provided inside the alumina powder cylinder below the rotating rod, and a cleaning brush is provided on the rotating rod above the screening screen.
[0011] Preferably, the magnetic separator on the side of the feeding hopper away from the guide cylinder is provided with a feeding guide plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This alumina powder purification device uses a multi-layer magnetic field superposition and multi-roller magnetic separation secondary adsorption device. The magnetic conveyor belt set inside the magnetic separator box is used for the primary magnetic conveying of alumina powder for purification. In conjunction with the guide cylinder, magnetic roller and magnetic roller, it is used for the secondary magnetic adsorption of alumina powder for purification. The magnetic separator box realizes the multi-layer magnetic field superposition and multi-roller magnetic separation treatment of alumina powder purification, and the magnetic adsorption of alumina powder is thorough.
[0013] 2. This alumina powder purification uses a multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device. The magnetic materials on the surface of the magnetic roller and magnetic conveyor belt are cleaned by the material blocking scraper set on the material guide outlet and the material blocking baffle at the bottom of the magnetic conveyor belt, and the magnetic materials are collected by the recycling drawer.
[0014] 3. This alumina powder purification device uses a multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device. Through the set feeding cylinder and feeding screw, the magnetic separation box screw feeding is realized, and the magnetic separation feeding is continuous, uniform and stable. Combined with the rotating rod, crushing knife and screening screen set inside the alumina powder cylinder, the crushing and screening feeding of alumina powder are realized. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the magnetic separator in this utility model; Figure 3 This is a schematic diagram of the material guide cylinder in this utility model; Figure 4 This is a schematic diagram of the magnetic conveyor belt in this utility model; Figure 5 This is a schematic diagram of the structure of the bauxite powder cylinder in this utility model.
[0016] In the diagram: 1. Magnetic separator; 2. Magnetic conveyor belt; 21. Conveyor roller 1; 22. Conveyor roller 2; 23. Motor 1; 3. Guide cylinder; 31. Guide outlet; 32. Baffle scraper; 4. Magnetic roller; 41. Magnetic roller; 5. Alumina powder cylinder; 6. Feeding mechanism; 61. Feeding cylinder; 62. Feeding screw; 63. Screening screen; 64. Rotating rod; 65. Crusher; 66. Synchronous belt; 67. Motor 2; 7. Feeding hopper; 8. Discharge guide plate; 9. Discharge port; 10. Scraper baffle; 11. Recycling drawer; 12. Drive wheel; 13. Drive belt; 14. Feed guide plate. Detailed Implementation
[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0019] like Figures 1 to 5 As shown, this embodiment includes a magnetic separator 1. A magnetic conveyor belt 2 is located at the upper end of the magnetic separator 1. A guide cylinder 3 is located inside the magnetic separator 1. One end of the magnetic conveyor belt 2 is located inside the guide cylinder 3. A guide outlet 31 is connected to the bottom of the guide cylinder 3. A magnetic roller 4 is located inside the magnetic separator 1 below the guide outlet 31. The magnetic conveyor belt 2 and the magnetic roller 4 are connected to a transmission mechanism. A scraping mechanism is located inside the magnetic separator 1. Multiple magnetic rollers 41 are located inside the magnetic roller 4. A discharge port 9 is located at the lower end of the magnetic separator 1 on the side of the magnetic roller 4 away from the magnetic conveyor belt 2. A discharge guide plate 8 is located inside the magnetic separator 1 below the magnetic roller 4 on the side of the discharge port 9. A collection box is provided below the discharge port 9 on the side away from the discharge guide plate 8. A feeding hopper 7 is provided on the top of the magnetic separator 1 at the end away from the guide cylinder 3. A bauxite powder cylinder 5 is provided on one side of the magnetic separator 1. An addition port is provided on the top of the bauxite powder cylinder 5. The bauxite powder cylinder 5 is connected to the feeding hopper 7 through the feeding mechanism 6. The magnetic conveyor belt 2 is used for primary magnetic conveying of bauxite powder for purification. The magnetic roller 4 and magnetic roller 41 are used for secondary magnetic attraction of bauxite powder for purification. The magnetic separator 1 realizes multi-layer magnetic field superposition and multi-roller magnetic separation treatment for bauxite powder purification. The magnetic attraction of bauxite powder purification is thorough. The magnetic attraction material on the surface of the magnetic roller 4 and magnetic conveyor belt 2 is cleaned and recycled. The crushing, screening and magnetic separation feeding of bauxite powder is continuous, uniform and stable.
[0020] Specifically, the scraping mechanism includes a material-blocking scraper 32 and a scraping baffle 10. The bottom of the guide outlet 31 away from the discharge port 9 is provided with a material-blocking scraper 32. The bottom of the material-blocking scraper 32 is located on the outer surface of the magnetic roller 4. The magnetic separator 1 at the bottom of the magnetic conveyor belt 2 on one side of the guide roller 3 is provided with a scraping baffle 10. The top of the scraping baffle 10 is in contact with the bottom surface of the magnetic conveyor belt 2. The material-blocking scraper 32 on one side of the guide outlet 31 blocks the material from the guide outlet 31. At the same time, the rotating magnetic roller 4 passes through the material-blocking scraper 32 to scrape off and clean the magnetic material on its surface. The magnetic conveyor belt 2 is driven through the scraping baffle 10. The scraping baffle 10 scrapes off and cleans the magnetic material on the surface of the magnetic conveyor belt 2. The magnetic roller 4 and the magnetic conveyor belt 2 are cleaned of magnetic material so that their magnetism remains stable and magnetically attracted.
[0021] Furthermore, a recycling drawer 11 is provided in the magnetic separator 1 on the side of the discharge guide plate 8 away from the discharge port 9 through the drawer opening. The magnetic roller 4 and the scraper baffle 10 are both located above the recycling drawer 11. The magnetic materials on the surface of the magnetic roller 4 and the magnetic conveyor belt 2 fall into the recycling drawer for collection. The recycling drawer 11 can be pulled out of the magnetic separator 1 for cleaning.
[0022] Furthermore, the transmission mechanism includes a first conveyor roller 21, a second conveyor roller 22, a first motor 23, a transmission wheel 12, and a transmission belt 13. The first conveyor roller 21 is located inside the magnetic separator 1 at the end furthest from the guide cylinder 3. The second conveyor roller 22 is located inside the magnetic separator 1 within the guide cylinder 3. The magnetically attached conveyor belt 2 is wrapped between the first conveyor roller 21 and the second conveyor roller 22. The first motor 23 is mounted on one side of the magnetic separator 1 via a motor frame. The output end of the first motor 23 is connected to... One end of the first conveyor roller 21 is connected to the magnetic roller 4 and the second conveyor roller 22. Both ends are connected to the transmission wheel 12 outside the magnetic separator 1 via a connecting shaft. There are two transmission wheels 12, which are connected by a transmission belt 13. The first motor 23 drives the first conveyor roller 21 to rotate, which drives the magnetic conveyor belt 2 to run inside the magnetic separator 1. The second conveyor roller 22 rotates inside the magnetic separator 1, and the rotation of the transmission wheel 12 and the transmission belt 13 drives the magnetic roller 4 to rotate inside the magnetic separator 1.
[0023] Furthermore, the feeding mechanism 6 includes a feeding cylinder 61, a feeding screw 62, a rotating rod 64, a crushing blade 65, a synchronous belt 66, and a second motor 67. The feeding cylinder 61 is located between the magnetic separator 1 and the bauxite powder cylinder 5. The lower end of one side of the feeding cylinder 61 is connected to the outlet of the lower end of one side of the bauxite powder cylinder 5 via a feed inlet, and the upper end of the other side of the feeding cylinder 61 is connected to the feeding hopper 7 via a feeding port. The feeding screw 62 is located inside the feeding cylinder 61, and the rotating rod 64 is located inside the bauxite powder cylinder 5. The crushing blade 65 is mounted on the rotating rod 64. Synchronous pulleys are located at the top of both the rotating rod 64 and the feeding screw 62. There are two synchronous pulleys connected by a synchronous belt 66. The second motor 67 is mounted on the top of the bauxite powder cylinder 5 via a motor bracket. The output end of motor 67 is connected to the top shaft of synchronous pulley via a coupling. Alumina powder is stored in alumina powder cylinder 5. Motor 67 drives synchronous pulley and synchronous belt 66 to run. Synchronous pulley drives feeding screw 62 to rotate in feeding cylinder 61 and rotating rod 64 to rotate inside alumina powder cylinder 5. Crushing blade 65 on rotating rod 64 crushes alumina powder inside alumina powder cylinder 5. Cleaning brush on rotating rod 64 cleans screening screen 63. Alumina powder is screened through screening screen 63, realizing crushing and screening of alumina powder. Alumina powder in alumina powder cylinder 5 enters feeding cylinder 61 through feed inlet and is lifted by rotating feeding screw 62 through feeding hopper 7 into the interior of magnetic separator 1, realizing screw feeding of magnetic separator 1.
[0024] Furthermore, a screening screen 63 is provided inside the alumina powder cylinder 5 below the rotating rod 64, and a cleaning brush is provided on the rotating rod 64 above the screening screen 63. The screening screen 63 screens the alumina powder in the alumina powder cylinder 5, and the cleaning brush cleans the screening screen 63 to prevent clogging.
[0025] Furthermore, the magnetic separator 1 on the side of the feeding hopper 7 away from the guide cylinder 3 is provided with a feeding guide plate 14. The feeding guide plate 14 is located above the magnetic conveyor belt 2 and guides the feeding hopper 7 to feed materials.
[0026] The usage method of this embodiment is as follows: Alumina powder is stored in the alumina powder cylinder 5. Motor 67 drives the synchronous pulley and synchronous belt 66 to run. The synchronous pulley drives the feeding screw 62 to rotate inside the feeding cylinder 61, and the rotating rod 64 to rotate inside the alumina powder cylinder 5. The crushing blade 65 on the rotating rod 64 crushes the alumina powder inside the cylinder 5. The cleaning brush on the rotating rod 64 cleans the screening screen 63. The alumina powder is then screened through the screening screen 63, achieving both crushing and screening of the alumina powder. The bauxite powder, after being crushed and screened in the powder cylinder 5, enters the feeding cylinder 61 through the feed inlet. It is then lifted by the rotating feeding screw 62 and fed through the feeding hopper 7 into the magnetic separator 1, achieving screw feeding of the magnetic separator 1. The bauxite powder is continuously, uniformly, and stably fed onto the magnetic conveyor belt 2. The first motor 23 drives the first conveyor roller 21 to rotate, causing the magnetic conveyor belt 2 to run within the magnetic separator 1. The second conveyor roller 22 rotates within the magnetic separator 1, and the transmission is driven by the drive wheel 12 and the drive belt 13. The magnetic roller 4 rotates within the magnetic separator 1, and the bauxite powder is conveyed to the guide cylinder 3 via the magnetic conveyor belt 2. Magnetic materials in the bauxite powder are magnetically attracted to the magnetic conveyor belt 2, serving as the primary magnetic conveying for bauxite powder purification. The bauxite powder in the guide cylinder 3 falls onto the magnetic roller 4 through the guide outlet 31. The magnetic roller 41 inside the magnetic roller 4 magnetically attracts magnetic materials in the passing bauxite powder, serving as the secondary magnetic conveying for bauxite powder purification. After secondary magnetic separation, the bauxite powder falls onto the discharge guide plate 8 and is discharged from the discharge port 9. The material is collected in the collection box after exiting the magnetic separator 1. The material is blocked by the scraper 32 on one side of the material outlet 31. At the same time, the rotating magnetic roller 4 passes the scraper 32 and scrapes the magnetic material on its surface into the recycling drawer 11. The magnetic conveyor belt 2 is driven by the scraper baffle 10, which scrapes the magnetic material on the surface of the magnetic conveyor belt 2 and drops it into the recycling drawer 11. The magnetic separator 1 realizes multi-layer magnetic field superposition and multi-roller magnetic separation treatment for the purification of bauxite powder, and the magnetic purification of bauxite powder is thorough.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for purifying bauxite powder, comprising a magnetic separator (1), characterized in that: The upper part of the magnetic separator (1) is provided with a magnetic conveyor belt (2), and the inside of the magnetic separator (1) is provided with a guide cylinder (3). One end of the magnetic conveyor belt (2) is located inside the guide cylinder (3). The bottom of the guide cylinder (3) is connected to a guide outlet (31). The magnetic separator (1) below the guide outlet (31) is provided with a magnetic roller (4). The magnetic conveyor belt (2) and the magnetic roller (4) are connected to a transmission mechanism. The magnetic separator (1) is provided with a scraping mechanism. The cylinder (4) is equipped with a magnetic roller (41). The magnetic separator (1) on the side away from the magnetic conveyor belt (2) is equipped with a discharge port (9). The magnetic separator (1) below the magnetic roller (4) on the side of the discharge port (9) is equipped with a discharge guide plate (8). The top of the magnetic separator (1) away from the guide cylinder (3) is equipped with a feeding hopper (7). The side of the magnetic separator (1) is equipped with an alumina powder cylinder (5). The alumina powder cylinder (5) is connected to the feeding hopper (7) through a feeding mechanism (6).
2. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 1, characterized in that: The scraping mechanism includes a baffle scraper (32) and a scraping baffle (10). The bottom of the guide outlet (31) away from the discharge port (9) is provided with a baffle scraper (32). The bottom of the baffle scraper (32) is located on the outer surface of the magnetic roller (4). The magnetic separator (1) at the bottom of the magnetic conveyor belt (2) on one side of the guide cylinder (3) is provided with a scraping baffle (10). The top of the scraping baffle (10) is in contact with the bottom surface of the magnetic conveyor belt (2).
3. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 2, characterized in that: The discharge guide plate (8) is located on the side away from the discharge port (9) of the magnetic separator (1) with a drawer opening for a recycling drawer (11). The magnetic suction roller (4) and the scraper baffle (10) are both located above the recycling drawer (11).
4. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 1, characterized in that: The transmission mechanism includes a first conveyor roller (21), a second conveyor roller (22), a first motor (23), a transmission wheel (12), and a transmission belt (13). The first conveyor roller (21) is located inside the magnetic separator (1) at the end away from the guide cylinder (3). The second conveyor roller (22) is located inside the magnetic separator (1) inside the guide cylinder (3). The magnetic suction conveyor belt (2) is wrapped between the first conveyor roller (21) and the second conveyor roller (22). The first motor (23) is mounted on one side of the magnetic separator (1) via a motor frame. The output end of the first motor (23) is connected to the first conveyor roller (21) via a coupling. One end of the magnetic suction roller (4) and the second conveyor roller (22) are both connected to the transmission wheel (12) outside the magnetic separator (1) via a connecting shaft. There are two transmission wheels (12), and the two transmission wheels (12) are connected by a transmission belt (13).
5. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 1, characterized in that: The feeding mechanism (6) includes a feeding cylinder (61), a feeding screw (62), a rotating rod (64), a crushing blade (65), a synchronous belt (66), and a second motor (67). The feeding cylinder (61) is located between the magnetic separator (1) and the bauxite powder cylinder (5). The lower end of one side of the feeding cylinder (61) is connected to the outlet of the lower end of one side of the bauxite powder cylinder (5) through the feed inlet. The upper end of the other side of the feeding cylinder (61) is connected to the feeding hopper (7) through the feeding port. The interior is equipped with a feeding screw (62), and the interior of the bauxite powder cylinder (5) is equipped with a rotating rod (64). The rotating rod (64) is equipped with a crushing knife (65). The top of the rotating rod (64) and the feeding screw (62) are equipped with synchronous pulleys. There are two synchronous pulleys, and the two synchronous pulleys are connected by a synchronous belt (66). The top of the bauxite powder cylinder (5) is equipped with a second motor (67) through a motor frame. The output end of the second motor (67) is connected to the top connecting shaft of the synchronous pulley through a coupling.
6. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 5, characterized in that: The alumina powder cylinder (5) below the rotating rod (64) is equipped with a screen (63), and the rotating rod (64) above the screen (63) is equipped with a cleaning brush.
7. The multi-layer magnetic field superposition multi-roller magnetic separation secondary adsorption device for bauxite powder purification according to claim 1, characterized in that: The magnetic separator (1) on the side of the feeding hopper (7) away from the guide cylinder (3) is equipped with a feeding guide plate (14).