Aluminum ash slag centrifugal fine separation equipment

Abstract

This utility model discloses a centrifugal fine separation device for aluminum ash slag, belonging to the field of aluminum ash slag treatment technology. The centrifugal fine separation device for aluminum ash slag includes a support frame and a rotating screening cylinder. The support frame includes a base plate, a first support column, and a second support column. The upper end of the first support column is fixedly connected to the screening cylinder, and the second support column is equipped with a drive motor via a motor plate. The rotating screening cylinder includes a first conical screen and a second conical screen coaxially connected. This utility model's centrifugal fine separation device for aluminum ash slag achieves three-stage separation of coarse, medium, and fine aluminum ash slag through the synergistic effect of the first and second conical screens. Combined with the centrifugal enhancement of the spiral groove, it improves the recovery rate of metallic aluminum. The gradient aperture design of the side and bottom screens ensures that particles pass through the screen step by step according to their particle size, avoiding fine aluminum particles mixed in with impurities. The spiral groove structure automatically discharges material through centrifugal force.

Description

Technical Field

[0001] This utility model relates to the field of aluminum ash slag treatment technology, and more specifically, to a centrifugal fine separation equipment for aluminum ash slag. Background Technology

[0002] Existing aluminum ash slag sorting equipment generally uses a single screen or vibration sorting. Traditional single-layer screens cannot achieve simultaneous separation of multiple particle sizes, and fine aluminum particles are easily mixed with impurities. Chinese patent CN222325395U discloses an adjustable simple gravity separation device for screening aluminum particles in aluminum ash slag. It achieves the separation of materials with different density components through centrifugal force. However, in this patent, the materials with different density components may affect the separation effect due to differences in particle size. The centrifugal force and screening action are not optimized in synergy, resulting in insufficient screening of metallic aluminum particles. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and to provide a centrifugal fine separation device for aluminum ash slag to solve the above-mentioned shortcomings.

[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0005] A centrifugal fine separation device for aluminum ash slag includes a support frame and a rotary screening cylinder. The support frame includes a base plate, a first support column, and a second support column. The upper end of the first support column is fixedly connected to the fixed screening cylinder, and the second support column is equipped with a drive motor via a motor plate. The rotary screening cylinder includes a first conical screening screen and a second conical screening screen coaxially connected. The fixed screening cylinder includes a receiving bottom and a limiting cover. The receiving bottom and the limiting cover are fixedly connected, and the receiving bottom is fixedly connected to the upper end of the first support column.

[0006] Preferably, the side screen apertures of the first and second conical screens are both larger than the bottom screen apertures, and the bottom screen aperture of the first conical screen is the same as the side screen aperture of the second conical screen.

[0007] Preferably, the limiting cover is provided with a first receiving plate and a second receiving plate, the first receiving plate being flush with the bottom of the first conical screening mesh, and the second receiving plate being flush with the bottom of the second conical screening mesh.

[0008] Preferably, the first and second conical screening screens are provided with baffles on their exteriors, which act on the first and second receiving plates respectively.

[0009] Preferably, the limiting cover has a first spiral groove on the side wall near the first receiving plate, a second spiral groove on the lower surface of the second receiving plate, and a third spiral groove on one side of the receiving bottom. A partition is provided at the outlet of the first spiral groove, the second spiral groove and the third spiral groove.

[0010] Preferably, the rotary screening cylinder further includes a rotary shaft connected to a drive motor, the lower end of the rotary shaft extending into the receiving bottom, and a lever connected to the lower end of the rotary shaft.

[0011] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0012] This utility model's centrifugal fine separation equipment for aluminum ash slag achieves three-stage separation of coarse, medium, and fine aluminum ash slag through the synergistic effect of the first and second conical screens. Combined with the centrifugal enhancement of the spiral trough, it improves the recovery rate of metallic aluminum. The gradient design of the pore size of the side and bottom screens ensures that particles pass through the screen step by step according to their particle size, avoiding fine aluminum particles from being mixed with impurities. The spiral trough structure automatically discharges materials through centrifugal force without manual intervention. It achieves dual composite separation of density and particle size. Within the same spiral trough, aluminum ash slag is separated into light phase impurities and heavy phase metallic aluminum by the partition due to weight differences, realizing simultaneous separation of particle size and density. Attached Figure Description

[0013] Figure 1 This is an overall structural diagram of the centrifugal fine separation equipment for aluminum ash slag according to this utility model;

[0014] Figure 2 This is a cross-sectional view of the centrifugal fine separation equipment for aluminum ash slag according to this utility model;

[0015] Figure 3 This is a structural diagram showing the connection between the fixed screening cylinder and the rotating screening cylinder of this utility model.

[0016] In the diagram: 1. Support frame; 11. First support column; 12. Second support column; 13. Base plate; 2. Fixed screening cylinder; 21. Receiving bottom; 22. Limiting cover; 221. First receiving plate; 222. Second receiving plate; 223. First spiral groove; 2231. Partition plate; 224. Second spiral groove; 225. Third spiral groove; 3. Drive motor; 4. Rotating screening cylinder; 41. First conical screening screen; 411. Cover plate; 412. Pulley plate; 42. Second conical screening screen; 43. Rotating shaft; 431. Pulley rod. 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] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0019] Combination Figures 1-3 The present invention relates to a centrifugal fine separation device for aluminum ash slag, comprising a support 1, which includes a first support column 11, a second support column 12, and a base plate 13. The first support column 11 is fixedly connected to the middle position of the base plate 13, and the second support column 12 is fixedly connected to one side of the base plate 13. A fixed screening cylinder 2 is provided at the upper end of the first support column 11, and a motor plate is fixedly connected to the upper end of the second support column 12. A drive motor 3 is mounted on the motor plate, and the output end of the drive motor 3 is connected to a rotating screening cylinder 4. The drive motor 3 controls the rotating screening cylinder 4 to rotate inside the fixed screening cylinder 2.

[0020] Specifically, the rotary screening cylinder 4 includes a first conical screening screen 41, a second conical screening screen 42, and a rotating shaft 43. The minimum diameter of the first conical screening screen 41 is the same as the maximum diameter of the second conical screening screen 42. Both the first conical screening screen 41 and the second conical screening screen 42 include a bottom screen and a side screen. The diameter of the mesh openings of the side screen is larger than the diameter of the bottom screen. Simultaneously, the diameter of the bottom screen of the first conical screening screen 41 is the same as the diameter of the side screen of the second conical screening screen 42. The bottom surface of the first conical screening screen 41 is connected to the upper surface of the second conical screening screen 42. The rotating shaft 43 passes through the first conical screening screen 41. The bottom surfaces of the conical screening mesh 41 and the second conical screening mesh 42 are connected to the first conical screening mesh 41 and the second conical screening mesh 42. The upper end of the rotating shaft 43 is fixedly connected to the output end of the drive motor 3. The lower end of the rotating shaft 43 is provided with a lever 431. The rotating shaft 43 simultaneously drives the first conical screening mesh 41 and the second conical screening mesh 42 to rotate, screening the aluminum ash slag inside the first conical screening mesh 41 and the second conical screening mesh 42. The upper end of the first conical screening mesh 41 is provided with a cover plate 411 to restrict the port of the first conical screening mesh 41 and prevent the aluminum ash slag from flying out of the first conical screening mesh 41.

[0021] More specifically, the fixed screening cylinder 2 includes a receiving base 21 and a limiting cover 22. The lower end of the limiting cover 22 is fixedly connected to the receiving base 21, and the receiving base 21 is fixedly connected to the upper end of the first support column 11. The limiting cover 22 is sleeved with the first conical screening mesh 41 and the second conical screening mesh 42. A first receiving plate 221 is provided on the limiting cover 22 near the bottom of the first conical screening mesh 41, and a receiving plate 221 is provided on the limiting cover 22 near the bottom of the second conical screening mesh 42. The second receiving plate 222 receives the aluminum ash slag screened out from the side screens of the first conical screen 41 and the second conical screen 42. After being screened by the first conical screen 41 and the second conical screen 42, the particles of different sizes in the aluminum ash slag are sorted. The aluminum ash slag particles on the first receiving plate 221 are larger than the aluminum ash slag particles on the second receiving plate 222, and the smallest aluminum ash slag particles fall onto the receiving bottom 21.

[0022] It should be noted that the first conical screening screen 41 and the second conical screening screen 42 are respectively positioned close to the first receiving plate 221 and the second receiving plate 222, with a lever 412. The lever 412 rotates with the first conical screening screen 41 and the second conical screening screen 42, and moves the aluminum ash residue on the first receiving plate 221 and the second receiving plate 222. The lever 431 moves the aluminum ash residue on the receiving bottom 21, and aluminum ash residue of different particle sizes moves outward under the action of centrifugal force.

[0023] In this embodiment, a first spiral groove 223 is provided on the side wall of the limiting cover 22 near the first receiving plate 221, a second spiral groove 224 is provided on the lower surface of the second receiving plate 222, and a third spiral groove 225 is provided on one side of the receiving bottom 21. The lever 412 and lever 431 drive the aluminum ash slag to move towards the first spiral groove 223, the second spiral groove 224 and the third spiral groove 225 respectively. The spiral grooves accelerate the sliding of the aluminum ash slag and generate centrifugal force. The aluminum ash slag in the same spiral groove is screened into light phase and heavy phase due to different weights. A partition 2231 is provided at the outlet position of the first spiral groove 223, the second spiral groove 224 and the third spiral groove 225 to separate and collect the light phase and the heavy phase.

[0024] Working process: Aluminum ash slag enters the rotating first conical screen 41 from the center of the cover plate 411. Under the action of centrifugal force, large aluminum particles are thrown to the side of the first conical screen 41 and guided to the first spiral groove 223 by the deflector plate 412. Medium-sized aluminum particles pass through the screen and fall to the second conical screen 42. Medium-sized aluminum particles are repeatedly centrifuged and screened in the second conical screen 42. Qualified particles pass through the screen to the second receiving plate 222 and are sent to the second spiral groove 224 under the action of the deflector plate 412. The smallest particles are caught by the receiving bottom 21 and pushed to the third spiral groove 225 by the deflector rod 431. Under the centrifugal separation of aluminum ash slag of different particle sizes in the first spiral groove 223, the second spiral groove 224 and the third spiral groove 225, light phase and heavy phase of different particle sizes are separated due to the difference in density.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention 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 present invention.

Claims

1. Centrifugal fine separation plant for aluminium dross, comprising a support (1) and a rotating sieve drum (4), characterized in that, The support (1) includes a base plate (13), a first support column (11) and a second support column (12). The upper end of the first support column (11) is fixedly connected to the fixed screening cylinder (2), and the second support column (12) is equipped with a drive motor (3) through a motor plate. The rotating screening cylinder (4) includes a first conical screening screen (41) and a second conical screening screen (42) connected coaxially. The fixed screening cylinder (2) includes a receiving bottom (21) and a limiting cover (22). The receiving bottom (21) and the limiting cover (22) are fixedly connected, and the receiving bottom (21) is fixedly connected to the upper end of the first support column (11).

2. The aluminum dross centrifugal fine separation apparatus according to claim 1, characterized by, The side screen apertures of the first conical screen (41) and the second conical screen (42) are both larger than the bottom screen apertures, and the bottom screen aperture of the first conical screen (41) is the same as the side screen aperture of the second conical screen (42).

3. The centrifugal fine separation equipment for aluminum ash slag according to claim 1, characterized in that, The limiting cover (22) is provided with a first receiving plate (221) and a second receiving plate (222). The first receiving plate (221) is flush with the bottom of the first conical screen (41), and the second receiving plate (222) is flush with the bottom of the second conical screen (42).

4. The centrifugal fine separation equipment for aluminum ash slag according to claim 3, characterized in that, The first conical screen (41) and the second conical screen (42) are provided with a deflector plate (412), which acts on the first receiving plate (221) and the second receiving plate (222) respectively.

5. The centrifugal fine separation equipment for aluminum ash slag according to claim 3, characterized in that, The limiting cover (22) has a first spiral groove (223) on the side wall near the first receiving plate (221), a second spiral groove (224) on the lower surface of the second receiving plate (222), and a third spiral groove (225) on one side of the receiving bottom (21). A partition (2231) is provided at the outlet of the first spiral groove (223), the second spiral groove (224) and the third spiral groove (225).

6. The centrifugal fine separation equipment for aluminum ash slag according to claim 1, characterized in that, The rotary screening cylinder (4) also includes a rotary shaft (43) connected to the drive motor (3), the lower end of the rotary shaft (43) extends into the receiving bottom (21), and the lower end of the rotary shaft (43) is connected to a lever (431).

Images