Molten aluminum purifying and refining device

Abstract

The utility model discloses a molten aluminum purifying and refining device which comprises a transfer barrel, an end cover with a through middle part is arranged at the hollow top of the interior of the transfer barrel, a filter screen seat with the radial size slightly smaller than the inner diameter of the transfer barrel is arranged in the transfer barrel, a supporting rod arranged in the vertical direction is arranged on the filter screen seat, and a connecting rod piece is arranged at the top of the supporting rod. The upper end of the connecting rod piece extends to the position above the end cover and moves in the vertical direction through a lifting device, and the filter screen base is located at the opposite bottom of the transfer barrel in a normal state. The filter screen seat is arranged in the transfer barrel and moves in the vertical direction through the lifting device at the upper end of the connecting rod piece, so that waste residues are uniformly and fully filtered out in the upward moving process of the filter screen seat. The metal wire capable of rotating is arranged between the filter screen seat and the connecting rod piece, inert gas sprayed out from the middle is scattered into tiny small bubbles, the surfaces of more inert bubbles make contact with hydrogen, miscellaneous gas and impurities in molten aluminum, and the purpose of reducing the hydrogen content of the molten aluminum is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum liquid preparation, in particular to an aluminum liquid purification and refining device. Background Art

[0002] During the aluminum refining process, a large amount of mixture of aluminum liquid and waste slag will be produced during the high-temperature melting process. In order to recycle the aluminum metal, it is usually necessary to manually pour the mixture of aluminum slag and aluminum liquid into a container and stir and separate it manually. The aluminum liquid in the mixture sinks to the bottom during the stirring process, and then the aluminum slag is poured out. The aluminum liquid at the bottom of the container is air-dried, cooled, and solidified before being recycled. Only in this way can a part of the aluminum liquid be recovered, which requires the use of an aluminum liquid separation and stirring device for stirring and separation operations.

[0003] For example, application number 202021589755.7, titled "Device for Eliminating Iron Impurities in Liquid Aluminum during Aluminum Ingot Manufacturing," utilizes a suction cup equipped with a first adsorption member and a second adsorption member. Both the first and second adsorption members are magnetic, and a telescopic rod is provided on the side of the suction rod closest to the suction cup. The suction cup is then moved up and down within the chamber of the molten aluminum tank via the telescopic rod. Through this method, the evenly distributed adsorption members can efficiently absorb iron impurities in the molten aluminum, significantly improving the efficiency of aluminum molten impurity removal. However, the magnetic members have a narrow range of adsorption, making uniform and sufficient contact impurity removal difficult. Furthermore, the waste residue in the molten aluminum is not entirely iron impurities, resulting in inadequate impurity removal.

[0004] This case was created to solve the above problems. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a device for purifying and refining molten aluminum, which solves the problems raised in the above-mentioned background technology.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a device for purifying and refining aluminum liquid, including a transfer barrel, a hollow top inside which is provided with an end cover with a through middle portion, a filter seat with a radial dimension slightly smaller than the inner diameter of the transfer barrel, a vertically arranged support rod on the filter seat, a connecting rod member on the top of the support rod, the upper end of the connecting rod member extends to above the end cover and is moved vertically by a lifting device, and under normal circumstances, the filter seat is located at the relative bottom of the transfer barrel.

[0009] Preferably, the connecting rod member includes a connecting seat connected to the upper end of the support rod, and the connecting seat is connected to the driving end of the external lifting device to achieve upward movement or downward movement.

[0010] Preferably, the connecting rod also includes a sleeve connected to the top of the support rod, a shaft is pivotally connected to the sleeve, a support block is horizontally connected to the shaft, a plurality of tough metal wires are circumferentially connected to the upper edge of the filter seat, and the support block is connected to the upper end of the metal wire.

[0011] Preferably, the support rod is provided with a plurality of air holes in a circumferential direction, the interior of the support rod is through-through and a connecting slot is provided at the upper end, the connecting slot is connected to the external inert gas, a rotating ring sleeve is pivotally connected to the filter seat in a circumferential direction, the lower end of the metal wire is connected and fixed to the rotating ring sleeve, and the shaft rod is driven to rotate by a motor and drives the metal wire to rotate.

[0012] Preferably, a support is sleeved on the shaft, and the support is connected to the connecting seat, so that the rotation of the shaft driven by the motor does not affect the rotation of the support.

[0013] (3) Beneficial effects

[0014] By adopting the above technical solution, the present invention has the following advantages over existing technologies: The present invention provides a device for purifying and refining molten aluminum. A filter seat is disposed within a transfer barrel and is vertically movable via a lifting mechanism at the upper end of a connecting rod. Under normal conditions, the filter seat is located at the bottom of the transfer barrel, allowing the filter seat to evenly and fully filter out waste slag during its upward movement. A rotatable metal wire is disposed between the filter seat and the connecting rod to break up the inert gas ejected from the center into very fine bubbles. This allows more of the inert bubble surface to come into contact with hydrogen, other gases, and impurities in the molten aluminum, thereby reducing the hydrogen content of the molten aluminum. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the utility model;

[0016] Figure 2 This is a disassembly diagram of the utility model;

[0017] Figure 3 For this utility model Figure 1 An enlarged schematic diagram of the local mechanism at point A in the middle.

[0018] In the figure: 1. transfer barrel; 2. material guide trough; 3. end cover; 4. through hole; 5. filter seat; 7. support rod; 8. connecting rod; 81. motor; 82. shaft; 83. sleeve; 84. support block; 85. connecting seat; 9. metal wire; 10. air hole; 11. connecting notch; 12. rotating ring sleeve. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below through the accompanying drawings and examples.

[0020] like Figure 1-2As shown: A device for purifying and refining aluminum liquid, comprising a transfer barrel 1 (a material guide trough 2 is opened on the side of its top), a hollow top inside which is provided with an end cover 3 that passes through the middle, a filter seat 5 with a radial dimension slightly smaller than the inner diameter of the transfer barrel 1, a vertically arranged support rod 7 is provided on the filter seat 5, and a connecting rod 8 is provided on the top of the support rod 7. The upper end of the connecting rod 8 extends to the top of the end cover 3 and is moved vertically by an external conventional lifting device. Under normal circumstances, the filter seat 5 is located at the relative bottom of the transfer barrel 1, so that the filter seat 5 can evenly and fully filter out the waste slag during the upward movement.

[0021] See attached Figure 2-3 As shown, the connecting rod 8 includes a connecting seat 85 connected to the upper end of the support rod 7. The connecting seat 85 is used to connect to the driving end of the external lifting device to achieve upward or downward movement. The structure immersed in the molten aluminum must be made of a material with a melting point higher than the molten aluminum to avoid being melted by the high temperature during use.

[0022] Furthermore, since the ability of the aluminum melt to dissolve hydrogen is greatly reduced after solidification, if the hydrogen originally dissolved in the aluminum melt cannot be discharged before solidification, the hydrogen will remain in the ingot in the form of bubbles, forming pores 10, affecting the metallurgical quality.

[0023] Therefore, in this embodiment, multiple ductile metal wires 9 are circumferentially connected to the upper edge of the filter holder 5 (e.g., using deformable iron wire, since aluminum and iron have different melting points, when aluminum is liquid, iron is still solid). A sleeve 83 is connected to the top of the support rod 7, to which a shaft 82 is pivotally connected. A support block 84 is horizontally connected to the shaft 82, and the support block 84 is connected to the upper end of the metal wire 9. The support rod 7 is circumferentially provided with multiple air holes 10. The interior of the support rod 7 is through-hole, and a connecting slot 11 is formed at the upper end of the support rod 7. The connecting slot 11 is connected to an external inert gas, thereby spraying the inert gas onto the air holes 10. Furthermore, a rotating ring 12 is pivotally connected to the upper edge of the filter holder 5, to which the lower end of the metal wire 9 is fixedly connected.

[0024] The end cover 3 is provided with a through hole 4 , and when the support rod 7 gradually moves out of the end cover 3 , the metal wire 9 can be deformed without affecting the overall upward movement.

[0025] During use, the shaft 82 is driven by the motor 81 to rotate and drive the metal wire 9 to rotate. The rotation process of the metal wire 9 can break up the large inert gas bubbles into very fine small bubbles, which makes more inert bubble surfaces contact with hydrogen, miscellaneous gases and impurities in the aluminum liquid. At the same time, since the hydrogen content inside and outside the bubbles formed by the inert gas is inconsistent, during the floating process of the bubbles, the high-concentration hydrogen outside the bubbles diffuses into the low-concentration bubbles inside, thereby achieving the purpose of reducing the hydrogen content of the aluminum melt.

[0026] It should be noted that a support is also sleeved on the shaft 82, and the support is connected to the connecting seat 85, so that the rotation of the shaft 82 driven by the motor 81 does not affect the rotation of the support.

[0027] The above description is based on the embodiments for inspiration. Through the above description, relevant personnel can make various changes and modifications without departing from the scope of the invention. The technical scope of this new type of use is not limited to the content of the specification, and its protection scope must be determined according to the scope of the claims.

Claims

1. A device for purifying and refining molten aluminum, comprising a transfer barrel, the top of which is hollow and has an end cap extending through the middle, characterized in that: A filter seat with a radial dimension slightly smaller than the inner diameter of the transfer barrel is provided in the transfer barrel, and a vertically arranged support rod is provided on the filter seat. A connecting rod is provided on the top of the support rod. The upper end of the connecting rod extends to the top of the end cover and is moved vertically by a lifting device. Under normal circumstances, the filter seat is located at the relative bottom of the transfer barrel.

2. The aluminum liquid purification device according to claim 1, characterized in that: The connecting rod member includes a connecting seat connected to the upper end of the support rod, and the connecting seat is connected to the driving end of the external lifting device to achieve upward movement or downward movement.

3. The aluminum liquid purification device according to claim 2, characterized in that: The connecting rod also includes a sleeve connected to the top of the support rod, a shaft is pivotally connected to the sleeve, a support block is horizontally connected to the shaft, a plurality of tough metal wires are circumferentially connected to the upper edge of the filter seat, and the support block is connected to the upper end of the metal wire.

4. The aluminum liquid purification device according to claim 3, characterized in that: The support rod is provided with a plurality of air holes in its circumference, the interior of the support rod is through-through and a connecting slot is provided at the upper end thereof, the connecting slot is connected to the external inert gas, a rotating ring sleeve is pivotally connected to the filter seat in the circumferential direction, the lower end of the metal wire is connected and fixed to the rotating ring sleeve, the shaft rod is driven to rotate by a motor and drives the metal wire to rotate.

5. The aluminum liquid purification device according to claim 4, characterized in that: The shaft is also sleeved with a support, which is connected to the connecting seat so that the rotation of the shaft driven by the motor does not affect the rotation of the support.

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