magnetic separation slag cleaning tank

By using strong magnetic rods in the magnetic separation cleaning box to adsorb iron impurities in alumina powder, the problem of iron impurities in alumina powder is solved, thus improving the quality of primary aluminum.

CN224586053UActive Publication Date: 2026-08-04HENAN WANJI ALUMINUM
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN WANJI ALUMINUM
Filing Date
2025-09-02
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

When feeding materials into the electrolytic cell, alumina powder is easily mixed with impurities such as iron filings, which can lead to excessive iron content in the molten aluminum and affect the quality of the primary aluminum.

Method used

A magnetic separation and slag removal box is designed. A strong magnetic rod installed at an angle inside the box adsorbs iron impurities in alumina powder. The alumina powder is transported through the powder inlet and outlet to reduce the iron content.

Benefits of technology

It effectively reduces the iron content in alumina powder, improves the quality of primary aluminum, and ensures that the iron content in molten aluminum is within the standard range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of magnetic separation slag removal tank, including box, the inside of the box is cavity structure, the upper end of the box is provided with powder inlet, the lower end of the box is provided with powder outlet, the inside of the box is equipped with multiple strong magnetic rods, the strong magnetic rod is along the inside diagonal direction of box inclination and equidistant arrangement, the front, rear position in the box is fixed with support, the support is along the inside diagonal direction of box inclination arrangement, the support is uniformly distributed with placing groove along its length direction, long shaft is transversely placed between the placing groove of the front, rear two supports, the strong magnetic rod is fixed on the outer side of long shaft, and the present magnetic separation slag removal tank can greatly reduce the iron content in aluminium oxide powder, ensure the production quality of raw aluminium.
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Description

Technical Field

[0001] This utility model relates to the field of electrolytic aluminum technology, specifically to a magnetic separation slag cleaning box. Background Technology

[0002] When feeding materials into the electrolytic cell, the alumina powder flows rapidly in the feeding pipe, generating friction and easily getting mixed with impurities such as iron filings. Moreover, these iron-containing impurities are difficult to control and screen, and after being supplied to the electrolysis area, they can easily cause the iron content in the molten aluminum to exceed the standard, thus affecting the quality of the primary aluminum. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a magnetic separation slag cleaning box that can significantly reduce the iron content in alumina powder, improve the quality of primary aluminum, and effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a magnetic separation and slag removal box, including a box body, the interior of which is a cavity structure, a powder inlet is provided at the upper end of the box body, a powder outlet is provided at the lower end of the box body, and a plurality of strong magnetic rods are installed inside the box body, the strong magnetic rods being inclined along the diagonal direction inside the box body and equally spaced.

[0005] As a preferred technical solution of this utility model, brackets are fixed at the front and rear positions inside the box. The brackets are inclined along the diagonal direction inside the box. Placement slots are evenly distributed on the brackets along their length. A long shaft is placed horizontally between the placement slots of the front and rear brackets. The strong magnetic rod is fixed to the outer side of the long shaft.

[0006] As a preferred embodiment of this utility model, the number of strong magnetic rods is eight, and the eight strong magnetic rods are distributed at equal intervals along the length of the support.

[0007] As a preferred embodiment of this utility model, the upper and lower ends of the two brackets are fixedly connected by a connecting plate, and the connecting plate is fixed to the side wall of the box by locking bolts.

[0008] As a preferred embodiment of this utility model, a maintenance cover is provided on one side of the box, and the maintenance cover is fixedly connected to the box by bolts.

[0009] As a preferred embodiment of this utility model, an observation window is provided on the side of the box, and a door panel that can be rotated and fastened is provided on the observation window.

[0010] Compared with the prior art, the beneficial effects of this utility model are: the magnetic separation and slag removal box is reasonably designed and ingeniously conceived. By installing the box body on the feeding pipe, alumina powder enters the box body through the powder inlet at the top of the box body. The strong magnetic rod installed at an inclination in the box body adsorbs and absorbs iron impurities in the alumina powder, thereby significantly reducing the iron content in the alumina powder. At the same time, it does not affect the transportation of alumina powder, effectively improving the quality of the material source and reducing the iron content in the primary aluminum. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a structural diagram after the maintenance cover has been removed.

[0013] Figure 3 This is a schematic diagram of another structure after the maintenance cover has been removed;

[0014] Figure 4 This is a structural diagram after the door panel has been removed.

[0015] In the diagram: 1. Box body, 2. Powder inlet, 3. Powder outlet, 4. Flange plate, 5. Bracket, 6. Placement slot, 7. Long shaft, 8. Strong magnetic rod, 9. Connecting plate, 10. Locking bolt, 11. Maintenance cover plate, 12. Observation window, 13. Door panel. Detailed Implementation

[0016] 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 (for ease of description and understanding, hereinafter referred to as...). Figure 2 The top of is the top. Figure 2 (The preceding part is described as the preceding part). Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] Please see Figure 1-4 This utility model provides a technical solution: a magnetic separation slag removal box, including a box body 1, the inside of the box body 1 is a cavity structure, the upper end of the box body 1 is provided with a powder inlet 2, the powder inlet 2 is connected to a flange on the feed pipe, the lower end of the box body 1 is provided with a powder outlet 3, the powder outlet 3 is located directly below the powder inlet 2, the outer side of the powder inlet 2 is provided with a flange plate 4, the flange plate 4 is connected to a corresponding flange on the feed pipe, so that the entire box body 1 is installed on the feed pipe;

[0018] Supports 5 are fixed at the front and rear positions inside the box 1. The supports 5 are inclined along the diagonal direction inside the box. Placement slots 6 are evenly distributed along the length of the supports 5. A long shaft 7 is placed horizontally between the placement slots of the two supports 5 at the same height. A strong magnetic rod 8 is fixed on the outer side of the long shaft 7. When the alumina powder passes through the box 1, the magnetic force of the strong magnetic rod 8 is used to adsorb the iron impurities in the alumina powder, thereby reducing the iron content in the alumina powder.

[0019] To enhance the adsorption effect on iron impurities in alumina powder, eight strong magnetic rods 8 are used, and the eight strong magnetic rods 8 are evenly distributed along the length of the support 5.

[0020] To facilitate the assembly and disassembly of the brackets 5, the upper and lower ends of the two brackets 5 are fixedly connected by connecting plates 9, and the connecting plates 9 are fixed to the side wall of the corresponding position inside the box 1 by locking bolts 10.

[0021] In order to facilitate the regular cleaning of iron impurities adsorbed on the strong magnetic rod 8, a maintenance cover plate 11 is provided on one side of the box body 1. The maintenance cover plate 11 is fixedly connected to the box body 1 by bolts.

[0022] To facilitate the observation of the adsorption of the strong magnetic rod 8 by the staff during the transportation of alumina powder, an observation window 12 is also provided on the side of the box 1, and a door panel 13 that can be rotated and fastened is provided on the observation window 12.

[0023] In use: When the alumina powder flows through the box 1 in the feeding pipe, the iron impurities in the alumina powder are adsorbed by the magnetic force of the strong magnetic rod 8. The alumina powder then continues to enter the feeding pipe from the lower end of the box 1 and is sent to the electrolysis area.

[0024] When periodically cleaning the iron impurities adsorbed on the outside of the strong magnetic rod 8, open the maintenance cover plate 11, then remove the strong magnetic rod 8 from the placement slot 6 on the bracket 5 for cleaning, and then put it back into the placement slot 6 on the bracket 5 after cleaning.

[0025] The parts of the utility model not described in detail are prior art. Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A magnetic separation slag cleaning box, characterized in that: Includes a box body (1), the inside of the box body (1) is a cavity structure, the upper end of the box body (1) is provided with a powder inlet (2), the lower end of the box body (1) is provided with a powder outlet (3), and multiple strong magnetic rods (8) are installed inside the box body (1), the strong magnetic rods (8) are inclined along the diagonal direction inside the box body (1) and are arranged at equal intervals.

2. The magnetic separation slag removal box according to claim 1, characterized in that: The front and rear positions of the box (1) are fixed with brackets (5). The brackets (5) are inclined along the diagonal direction inside the box. Placement slots (6) are evenly distributed on the brackets (5) along their length direction. A long shaft (7) is placed horizontally between the placement slots of the front and rear brackets (5). The strong magnetic rod (8) is fixed on the outer side of the long shaft (7).

3. A magnetic separation slag cleaning box according to claim 2, characterized in that: The number of strong magnetic rods (8) is eight, and the eight strong magnetic rods (8) are distributed at equal intervals along the length direction of the support (5).

4. A magnetic separation slag cleaning box according to claim 1, characterized in that: The upper and lower ends of the two brackets (5) are fixedly connected by a connecting plate (9), which is fixed to the side wall of the box (1) by a locking bolt (10).

5. A magnetic separation slag cleaning box according to claim 1, characterized in that: A maintenance cover plate (11) is provided on one side of the box (1), and the maintenance cover plate (11) is fixedly connected to the box (1) by bolts.

6. A magnetic separation slag cleaning box according to claim 1, characterized in that: The side of the box (1) is also provided with an observation window (12), and the observation window (12) is provided with a door panel (13) that can be rotated and fastened.