Electrolyte crushing material deironing system

By using magnetic rollers and a jetting device in the electrolyte crushing material iron removal system, the problem of low iron removal efficiency in electrolytic aluminum production has been solved, achieving efficient iron separation, reducing material waste, and improving the iron removal effect.

CN224332352UActive Publication Date: 2026-06-09YUNNAN YUNLV HAIXIN ALUMINUM CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN YUNLV HAIXIN ALUMINUM CO LTD
Filing Date
2025-07-02
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

In the existing technology, the iron removal efficiency of the crushed material processing system in the anode assembly workshop is not high during the electrolytic aluminum production process, resulting in substandard iron content, material waste, and inability to be directly recycled.

Method used

An iron removal system for electrolyte crushed materials was designed, which uses a magnetic roller and a blowing device. The magnetic roller rotates to separate ferrous materials, and the blowing device blows off the removed iron and forms a barrier to prevent powder from entering the iron recovery area. The design of the separation plate and the blowing device improves the iron removal effect and reduces material waste.

Benefits of technology

It improves iron removal efficiency, avoids secondary mixing of iron into materials, reduces material waste, and achieves efficient iron separation and recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model belongs to the technical field of iron removal equipment, and particularly relates to an electrolyte crushing material iron removal system. It includes a housing with a feed inlet at the top. Inside the housing is a magnetic roller mounted on a central shaft. Above the magnetic roller is a first blowing device, which includes a first blowing box arranged along the length of the magnetic roller. The first blowing box has a first air inlet, and the bottom side of the first blowing box has two sets of first and second air outlets at fixed angles. The first and second air outlets are inclined towards the surface of the magnetic roller. When the magnetic roller rotates, the iron material carried out by the magnetic roller is blown off, preventing the removed iron from being mixed into the material again, thus improving the iron removal effect. The second air outlet is also inclined towards the surface of the magnetic roller, intersecting with the material falling direction, which can form a barrier during material falling, preventing powder from entering the iron recovery area and causing material waste.
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Description

Technical Field

[0001] This utility model belongs to the technical field of iron removal equipment, and in particular relates to an iron removal system for electrolyte crushed materials. Background Technology

[0002] In the electrolytic aluminum production process, aluminum is produced by reacting alumina and carbon under certain temperature and additive conditions with the help of direct current. Aluminum electrolyte is a crucial raw material in aluminum electrolysis, and its quality directly affects the quality of the molten aluminum. Therefore, its impurities must be maintained within a certain range during production. Iron content is one of the key factors limiting the quality of electrolytic aluminum; both excessively high and low iron content will negatively impact the performance and quality of the electrolytic aluminum.

[0003] The anode assembly workshop's crushed material processing system is a system for recycling aluminum electrolysis. During the on-site production process, various reasons lead to a high iron content in the crushed material. Currently, the commonly used pipeline iron separators rely solely on magnetic force and the material's own gravity for separation, which often results in low separation efficiency. Some aluminum electrolyte material is also separated along with the iron, causing material waste and preventing the direct recycling of iron. Utility Model Content

[0004] In view of the technical problems existing in the background art, this utility model provides an electrolyte crushing material iron removal system.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] An electrolyte crushing material iron removal system includes a housing with a feed inlet at the top and a discharge inlet and an iron discharge outlet at the bottom. A magnetic roller mounted on a central shaft is installed inside the housing. A first blowing device is located above the magnetic roller. The first blowing device includes a first blowing box arranged along the length of the magnetic roller, positioned on one side of the feed inlet. The first blowing box has a first air inlet, and two sets of first and second air outlets with fixed angles are located on the bottom side of the first blowing box. The blowing directions of the first and second air outlets are far apart, and the first and second air outlets are inclined towards the surface of the magnetic roller.

[0007] Optionally, the housing includes an upper housing and a lower housing, and a V-shaped material distribution plate is provided on the bottom side of the lower housing, which divides the interior of the lower housing into a material dropping chamber and an iron dropping chamber.

[0008] Optionally, a second blowing device can be detachably provided at the bending position of the material distribution plate, the second blowing device pointing vertically upward toward the surface of the magnetic roller.

[0009] Optionally, the second blowing device includes a second blowing box, and the upper end of the second blowing box is provided with a plurality of third air outlets.

[0010] Optionally, a tapered guide head is provided at the upper end of the second blow box, and the guide head is connected to the material distribution plate.

[0011] Optionally, a second flange is provided at the lower end of the second blow-jet box, and a second slot is provided at the bending position of the distribution plate. The second blow-jet box is inserted into the second slot, and the second flange is connected to the distribution plate by screws.

[0012] Optionally, a first slot is provided on one side of the upper housing, a fixing block is inserted into the first slot, a first flange is provided at the upper end of the fixing block, and the first flange is connected to the upper housing by screws; the bottom side of the fixing block is detachably connected to the first blow box.

[0013] Optionally, the magnetic roller includes an outer cylinder, a magnetic ring placed inside the outer cylinder, and a bracket for fixing the magnetic ring. The magnetic ring is set at the material dropping position, the bracket is fixed on the central shaft, and the outer cylinder is driven to rotate by a power device.

[0014] Optionally, the power unit includes a motor, and hollow shafts are respectively provided on both sides of the outer cylinder. The output shaft of the motor is connected to one of the hollow shafts for transmission. The hollow shaft is fixed to the housing by a first bearing and a bearing seat. The central shaft passes through the hollow shaft. One side of the central shaft is connected to the inner wall of the hollow shaft by a second bearing. One side of the central shaft is fixedly connected to the bearing seat.

[0015] This utility model has the following advantages and beneficial effects:

[0016] In this invention, a feed inlet is provided at the top of the housing, and a magnetic roller mounted on a central shaft is installed inside the housing. A first blowing device is provided above the magnetic roller, and the first blowing box is located on one side of the feed inlet. The first blowing device has two sets of first and second air outlets with fixed angles. The blowing directions of the first and second air outlets are far apart from each other, and the first and second air outlets are inclined towards the surface of the magnetic roller. The first air outlet is inclined towards the surface of the magnetic roller, and when the magnetic roller rotates, it blows off the iron material carried out by the magnetic roller, preventing the removed iron from being mixed into the material again, thus improving the iron removal effect. The second air outlet is also inclined towards the surface of the magnetic roller, intersecting with the material dropping direction, which can form a barrier when the material is dropped, preventing powder from entering the iron material recycling area and causing material waste. Attached Figure Description

[0017] Figure 1 This is one of the structural diagrams of the electrolyte crushing material iron removal system in this utility model;

[0018] Figure 2 This is the second structural diagram of the electrolyte crushing material iron removal system in this utility model;

[0019] Figure 3 for Figure 2 Front view;

[0020] Figure 4 for Figure 3 A cross-sectional view along the AA direction;

[0021] Figure 5 This is a diagram showing the connection structure of the magnetic roller in this utility model;

[0022] Figure 6 for Figure 4 A magnified view of a portion of point a.

[0023] Figure 7 This is a structural diagram of the lower housing of this utility model;

[0024] Figure 8 This is a sectional view of the lower housing of this utility model;

[0025] Figure 9 This is a structural diagram of the upper housing in this utility model;

[0026] Figure 10 This is a structural diagram of the second jetting device in this utility model;

[0027] Figure 11 This is one of the structural diagrams of the first jetting device in this utility model;

[0028] Figure 12 This is the second structural diagram of the first jetting device in this utility model;

[0029] Figure 13 This is a cross-sectional view of the first jetting device in this utility model.

[0030] Attached reference numerals: 1-Lower housing, 1a-Discharge chamber, 1b-Iron discharge chamber, 11-Distribution plate, 12-Second slot, 13-Shaft hole, 14-Frame, 15-Base, 16-Iron discharge port, 17-Discharge port, 18-Second threaded hole, 2-Upper housing, 21-Inlet, 22-First slot, 23-First threaded hole, 3-Motor, 31-Motor mount, 32-Bearing mount, 33-Output shaft, 4-Second spray box, 41-Guide head. 42-Third air outlet, 43-Second air inlet, 44-Second flange, 45-Second connecting hole, 5-First flange, 51-First connecting hole, 52-Fixing block, 6-First spray box, 61-Second air outlet, 62-First air outlet, 63-First air inlet, 7-Stud, 71-Fixing nut, 8-Outer cylinder, 81-Hollow shaft, 82-First bearing, 83-Second bearing, 9-Central shaft, 91-Bracket, 92-Magnetic ring. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0033] Example

[0034] like Figures 1 to 13 As shown, an electrolyte crushing material iron removal system includes a housing with a feed inlet 21 at the top and a discharge outlet 17 and an iron discharge outlet 16 at the bottom. Inside the housing is a central shaft 9 and a magnetic roller mounted on the central shaft 9. Above the magnetic roller is a first blowing device, which includes a first blowing box 6 arranged along the length of the magnetic roller. The first blowing box 6 is located on one side of the feed inlet 21 and has a first air inlet 63. Two sets of first air outlets 62 and second air outlets 61 with fixed angles are arranged on the bottom side of the first blowing box 6. The first air outlets 62 and 61 are tangent to the inner wall of the first blowing box 6. Preferably, the blowing directions of the first air outlets 62 and 61 are perpendicular to each other. The blowing directions of the first air outlets 62 and 61 are opposite to each other, blowing towards both sides of the magnetic roller. The first air outlets 62 and 61 are inclined towards the surface of the magnetic roller.

[0035] Reference Figure 5 and Figure 6 The magnetic roller rotates clockwise. The first air outlet 62 is tilted to the lower left and blows air onto the surface of the magnetic roller. The second air outlet 61 is tilted to the lower right and blows air onto the surface of the magnetic roller. The direction in which the second air outlet 61 is tilted intersects with the feeding direction of the feed inlet 21.

[0036] In this invention, the first air outlet 62 is inclined towards the surface of the magnetic roller. When the magnetic roller rotates, it blows off some of the iron material carried out by the magnetic roller, preventing the removed iron from being mixed into the material again and improving the iron removal effect. The second air outlet 61 is also inclined towards the surface of the magnetic roller and intersects with the material dropping direction. It can form a barrier when the material is dropping, preventing powder from entering the iron material recycling area and causing material waste.

[0037] like Figures 1 to 13 As shown, in this utility model, the box body includes an upper box body 2 and a lower box body 1, which are detachably connected by bolts. A V-shaped material distribution plate 11 is provided on the bottom side of the lower box body 1, dividing the interior of the lower box body 1 into a material dropping chamber 1a and an iron dropping chamber 1b. A central shaft 9 is located on the upper side of the iron dropping chamber 1b, and the magnetic roller is mostly located inside the iron dropping chamber 1b, with a small portion located inside the material dropping chamber 1a. When material falls from the feed inlet 21, it lands on the surface of the magnetic roller. As the magnetic roller rotates, the material is rotated and distributed into the material dropping chamber 1a, and discharged from the discharge port 17. Iron materials are attracted by the magnetic roller and, as the magnetic roller rotates, reach the non-magnetic area of ​​the iron dropping chamber 1b. The iron materials then fall into the iron dropping chamber 1b under gravity and are discharged from the iron discharge port 16.

[0038] like Figures 1 to 13 As shown in the present invention, a second blowing device is detachably provided at the bending position of the material distribution plate 11. The second blowing device points vertically upward toward the surface of the magnetic roller and intersects with the material dropping direction. It can form a barrier when the material is magnetically separated and dropped, preventing the material from being rotated into the iron recycling area by the magnetic roller and causing material waste.

[0039] like Figures 1 to 13 As shown, in this utility model, the second blowing device includes a second blowing box 4, and the upper end of the second blowing box 4 is provided with a plurality of third air outlets 42.

[0040] Furthermore, a conical guide head 41 is provided at the upper end of the second blow box 4. The guide head 41 is connected to the material distribution plate 11 to achieve smooth material discharge.

[0041] Furthermore, a second flange 44 is provided at the lower end of the second blow box 4, and several second connecting holes 45 are provided on the second flange 44. A second slot 12 is provided at the bending position of the distribution plate 11, and several second threaded holes 18 are provided on the outer side of the second slot 12. The second blow box 4 is inserted into the second slot 12, and the second flange 44 is connected to the distribution plate 11 by screws. The second connecting holes 45 are aligned with the second threaded holes 18, and then the screws are screwed in.

[0042] like Figures 1 to 13 As shown, in this utility model, a first slot 22 is provided on one side of the upper housing 2, and a plurality of first threaded holes 23 are provided on the outer side of the first slot 22. The first slot 22 is located on one side of the feed inlet 21, and the feed inlet 21 is located at the upper end of the upper housing 2. A fixing block 52 is inserted into the first slot 22, and a first flange 5 is provided at the upper end of the fixing block 52. A plurality of first connecting holes 51 are provided on the first flange 5, and the first flange 5 is connected to the upper housing 2 by screws. When the first connecting holes 51 are aligned with the first threaded holes 23, the fixing block 52 can be placed in the slot by screwing in the screws. The bottom side of the fixing block 52 is detachably connected to the first spray box 6.

[0043] Specifically, studs 7 are provided on both sides of the first blow box 6. The studs 7 pass through the inside of the fixing block 52. The upper end of the stud 7 extends from the upper side of the first flange 5, and a fixing nut 71 is provided on the stud 7 to connect the fixing block 52 and the first blow box 6. The first air inlet 63 extends from the upper side of the first flange 5.

[0044] like Figures 1 to 13 As shown, in this utility model, the magnetic roller includes an outer cylinder 8, a magnetic ring 92 placed inside the outer cylinder 8, and a bracket 91 for fixing the magnetic ring 92. The magnetic ring 92 is set at the material dropping position, and the bracket 91 is fixed on the central shaft 9. The outer cylinder 8 is driven to rotate by a power device.

[0045] During operation, the outer cylinder 8 rotates under the drive of the power unit, while the internal magnetic ring 92 remains stationary.

[0046] The wrap angle of the magnetic ring 92 is 90° to 160°.

[0047] Furthermore, the magnetic field strength of the magnetic ring 92 gradually weakens along the rotation direction of the outer cylinder 8. That is, the magnetic field strength of the magnetic ring 92 is greater at the end near the feed inlet 21 and less at the end near the discharge port 16. This can further reduce the amount of powder falling into the discharge port 16.

[0048] like Figures 1 to 13As shown, in this utility model, the power device includes a motor 3, and hollow shafts 81 are respectively provided on both sides of the outer cylinder 8. The output shaft 33 of the motor 3 is connected to one of the hollow shafts 81 for transmission. The hollow shaft 81 is fixed to the housing by a first bearing 82 and a bearing seat 32. A central shaft 9 passes through the inside of the hollow shaft 81, and one side of the central shaft 9 is connected to the inner wall of the hollow shaft 81 by a second bearing 83. One side of the central shaft 9 is fixedly connected to the bearing seat 32. A base 15 is provided on the upper housing 2, and a motor seat 31 is provided on one side of the motor 3, and the motor seat 31 is fixed on the base 15. A shaft hole 13 is opened on the upper housing 2, and the hollow shaft 81 passes through the shaft hole 13. The upper housing 2 is fixed to the frame 14 on all four sides.

[0049] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An electrolyte crushing material iron removal system, comprising a housing, a feed inlet at the top of the housing, and a discharge outlet and an iron discharge outlet at the bottom of the housing, characterized in that: The housing contains a magnetic roller mounted on a central shaft. Above the magnetic roller is a first blowing device. The first blowing device includes a first blowing box arranged along the length of the magnetic roller. The first blowing box is located on one side of the feed inlet and has a first air inlet. The bottom of the first blowing box has two sets of first and second air outlets with fixed angles. The blowing directions of the first and second air outlets are far apart from each other, and the first and second air outlets are inclined towards the surface of the magnetic roller.

2. The electrolyte crushing material iron removal system according to claim 1, characterized in that: The box body includes an upper box body and a lower box body. A V-shaped material distribution plate is provided on the bottom side of the lower box body, which divides the interior of the lower box body into a material dropping chamber and an iron dropping chamber.

3. The electrolyte crushing material iron removal system according to claim 2, characterized in that: The bending position of the material distribution plate is detachably equipped with a second blowing device, which points vertically upward toward the surface of the magnetic roller.

4. The electrolyte crushing material iron removal system according to claim 3, characterized in that: The second blowing device includes a second blowing box, and a plurality of third air outlets are provided at the upper end of the second blowing box.

5. The electrolyte crushing material iron removal system according to claim 4, characterized in that: The upper end of the second blow box is provided with a conical guide head, which is connected to the material distribution plate.

6. The electrolyte crushing material iron removal system according to claim 4, characterized in that: The lower end of the second blow-jet box is provided with a second flange, and the bending position of the distribution plate is provided with a second slot. The second blow-jet box is inserted into the second slot, and the second flange is connected to the distribution plate by screws.

7. The electrolyte crushing material iron removal system according to claim 2, characterized in that: A first slot is provided on one side of the upper housing, and a fixing block is inserted into the first slot. A first flange is provided at the upper end of the fixing block, and the first flange is connected to the upper housing by screws. The bottom side of the fixing block is detachably connected to the first blow box.

8. The electrolyte crushing material iron removal system according to claim 1, characterized in that: The magnetic roller includes an outer cylinder, a magnetic ring placed inside the outer cylinder, and a bracket for fixing the magnetic ring. The magnetic ring is set at the material dropping position, and the bracket is fixed on the central shaft. The outer cylinder is driven to rotate by a power device.

9. The electrolyte crushing material iron removal system according to claim 8, characterized in that: The power unit includes a motor, and hollow shafts are respectively provided on both sides of the outer cylinder. The output shaft of the motor is connected to one of the hollow shafts for transmission. The hollow shaft is fixed to the housing by a first bearing and a bearing seat. The central shaft passes through the hollow shaft. One side of the central shaft is connected to the inner wall of the hollow shaft by a second bearing. One side of the central shaft is fixedly connected to the bearing seat.