Electrolytic aluminum liquid transfer injection filtering device

Abstract

The utility model discloses an electrolytic aluminum liquid transfer injection filtering device, which belongs to the technical field of smelting equipment and comprises a filtering area, the filtering area is positioned on one side of a furnace body, and a filtering plate is arranged in the filtering area; the standing area is located on one side of the filtering area, a second molten aluminum channel and a smoke channel which communicate with the filtering area are formed in the side wall of the standing area, the filtering plate is located between the second molten aluminum channel and the smoke channel, and a circulation opening is formed in the side wall of the standing area and used for communicating with the furnace body, so that molten aluminum in the standing area flows into the furnace body through the circulation opening; smoke in the furnace body enters the standing area through the circulation opening. Impurities in molten aluminum are blocked outside the filter plate, so that the purity of the electrolytic aluminum liquid is improved, secondary impurity removal treatment is reduced, and the product quality is ensured; and meanwhile, flue gas waste heat in the furnace body can be effectively utilized for heat preservation of the molten aluminum in the filtering area and the standing area, and solidification of the molten aluminum is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting equipment, in particular to an electrolytic aluminum liquid transfer and filtering device. Background Art

[0002] In recent years, China's aluminum processing industry has developed rapidly, and aluminum products have been more widely used in the national economy. my country's current primary aluminum production ranks first in the world. With the improvement of environmental awareness of sharing the same earth, higher requirements have been put forward for aluminum alloy smelting.

[0003] In the smelting process of aluminum products, some enterprises benefit from their geographical advantages and use electrolytic aluminum liquid directly delivered by aluminum bags from electrolytic aluminum plants, eliminating the need for remelting. The production method of using electrolytic aluminum liquid is to directly pour the electrolytic aluminum liquid into the smelting furnace for use, but in this process, the impurities and slag of the electrolytic aluminum enter the furnace along with the aluminum liquid, and contact with the furnace gas will cause problems such as air absorption and oxidation. In addition, dissolved gas and non-metallic inclusion particles are the main sources of metallurgical defects such as ingot pores, looseness, and inclusions. Therefore, in the process of metal smelting, trying to prevent and eliminate gas and non-metallic inclusions in the metal is an important goal of purification in aluminum alloy smelting.

[0004] To this end, a device for transferring and filtering electrolytic aluminum liquid is proposed. Utility Model Content

[0005] The utility model aims to provide an electrolytic aluminum liquid transfer and filtering device, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above purpose, the utility model provides the following solution: The utility model provides an electrolytic aluminum liquid transfer and filtering device, comprising:

[0007] A filter area, the filter area is located on one side of the furnace body, and a filter plate is arranged in the filter area;

[0008] A static zone, the static zone is located on one side of the filtering zone, a second aluminum liquid channel and a smoke channel connected to the filtering zone are opened on the side wall of the static zone, the filter plate is located between the second aluminum liquid channel and the smoke channel, and a flow port is opened on the side wall of the static zone for connecting with the furnace body, so that the aluminum liquid in the static zone flows into the furnace body through the flow port, and the smoke in the furnace body enters the static zone through the flow port.

[0009] Preferably, an electrolytic aluminum liquid receiving area is also provided on one side of the filtering area, and the electrolytic aluminum liquid receiving area is located on the side of the filtering area away from the static area. A first aluminum liquid channel connected to the filtering area is opened on the side wall of the electrolytic aluminum liquid receiving area, and the first aluminum liquid channel is located above the filter plate.

[0010] Preferably, the bottom height of the electrolytic aluminum liquid receiving area is located between the smoke channel and the filter plate, and the bottom of the first aluminum liquid channel is flush with the bottom of the electrolytic aluminum liquid receiving area.

[0011] Preferably, the height of the aluminum liquid level in the filtering area is located between the filtering plate and the smoke channel, and is not higher than the bottom height of the first aluminum liquid channel.

[0012] Preferably, the top of the electrolytic aluminum liquid receiving area is open, and insulation covers are placed on the tops of the filtering area and the static area.

[0013] Preferably, the side wall of the filtering area below the first aluminum liquid channel is configured to be sloped, thereby achieving a smooth transition between the filtering area and the static area.

[0014] The utility model discloses the following technical effects: before the electrolytic aluminum liquid is put into a furnace body, it first enters a filtering area to filter impurities through a filtering plate, the impurities in the aluminum liquid are blocked outside the filtering plate, and then enters the furnace body through a static area for smelting, thereby improving the purity of the electrolytic aluminum liquid, reducing secondary impurity removal treatment, and ensuring product quality; at the same time, high-temperature flue gas in the furnace body enters the static area and the filtering area, so that the residual heat of the flue gas in the furnace body can be effectively used to keep the aluminum liquid in the filtering area and the static area warm, and prevent the aluminum liquid from solidifying. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 This is a top view of the utility model after removing the thermal insulation cover.

[0018] In the figure: 1. Electrolytic aluminum liquid receiving area; 2. Filtering area; 3. Standing area; 4. Insulation cover; 5. First aluminum liquid channel; 6. Filter plate; 7. Second aluminum liquid channel; 8. Smoke channel; 9. Furnace body. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Reference Figure 1-Figure 2 The utility model provides an electrolytic aluminum liquid transfer and filtering device, comprising:

[0022] Filtering area 2, the filtering area 2 is located on one side of the furnace body 9, and a filtering plate 6 is arranged in the filtering area 2;

[0023] The lower part of the inner cavity of the filter area 2 is tightened inward, so as to form a boss on the inner cavity wall of the filter area 2, and the filter plate 6 is placed on the boss to prevent the filter plate 6 from falling to the bottom, and at the same time, it is convenient to take out the filter plate 6 for cleaning;

[0024] The static zone 3 is located on one side of the filter zone 2. The side wall of the static zone 3 is provided with a second aluminum liquid channel 7 and a smoke channel 8 connected with the filter zone 2. The filter plate 6 is located between the second aluminum liquid channel 7 and the smoke channel 8. The side wall of the static zone 3 is provided with a flow port for connecting with the furnace body 9, so that the aluminum liquid in the static zone 3 flows into the furnace body 9 through the flow port, and the smoke in the furnace body 9 enters the static zone 3 through the flow port;

[0025] Before the electrolytic aluminum liquid is put into the furnace body 9, it first enters the filter area 2 to filter impurities through the filter plate 6. The impurities in the aluminum liquid are blocked outside the filter plate 6, and then enters the furnace body 9 through the static area for smelting, thereby improving the purity of the electrolytic aluminum liquid, reducing secondary impurity removal treatment, and ensuring product quality; at the same time, the high-temperature flue gas in the furnace body 9 enters the static area 3 and the filter area 2, so that the waste heat of the flue gas in the furnace body 9 can be effectively used to keep the aluminum liquid in the filter area 2 and the static area 3 warm to prevent the aluminum liquid from solidifying.

[0026] A further optimized solution is provided with an electrolytic aluminum liquid receiving area 1 on one side of the filtering area 2. The electrolytic aluminum liquid receiving area 1 is located on the side of the filtering area 2 away from the static area 3. A first aluminum liquid channel 5 connected to the filtering area 2 is opened on the side wall of the electrolytic aluminum liquid receiving area 1. The first aluminum liquid channel 5 is located above the filter plate 6.

[0027] According to a further optimization scheme, the bottom height of the electrolytic aluminum liquid receiving area 1 is located between the flue gas channel 8 and the filter plate 6 , and the bottom of the first aluminum liquid channel 5 is flush with the bottom of the electrolytic aluminum liquid receiving area 1 .

[0028] According to a further optimization scheme, the liquid level of the aluminum liquid in the filter zone 2 is located between the filter plate 6 and the flue gas channel 8 , and is not higher than the bottom height of the first aluminum liquid channel 5 .

[0029] According to a further optimized solution, the top of the electrolytic aluminum liquid receiving area 1 is open, and a heat-insulating cover 4 is placed on the top of the filtering area 2 and the static area 3.

[0030] According to a further optimization scheme, the side wall of the filtration zone 2 below the first aluminum liquid channel 5 is configured to be sloped, thereby achieving a smooth transition between the filtration zone 2 and the static zone 3 .

[0031] When the utility model is in use, the aluminum ladle is hoisted to the designated position by the overhead crane, and the electrolytic aluminum liquid in the aluminum ladle enters the electrolytic aluminum liquid receiving area 1 through the aluminum ladle pouring port; the aluminum liquid enters the filtering area 2 through the first aluminum liquid channel 5, and the impurities are filtered through the filter plate 6. The filtered aluminum liquid enters the static area 3 through the second aluminum liquid channel 7, and then enters the furnace body 9 through the static area 3 for smelting; the flue gas generated by the combustion in the furnace body 9 contains a large amount of waste heat, and the flue gas carries the waste heat into the static area 3, and then enters the filtering area 2 through the flue gas channel 8, and the high-temperature waste heat is used to keep the aluminum liquid in the filtering area 2 and the static area 3 warm to prevent it from solidifying; the liquid level of the aluminum liquid in the filtering area 2 is always above the filter plate 6, so as to prevent the filter plate 6 from being blocked due to the solidification of the aluminum liquid after being exposed, thereby extending the service life of the filter plate 6; at the same time, the liquid level of the aluminum liquid in the filtering area 2 is always below the first aluminum liquid channel 5, so that all the aluminum liquid in the electrolytic aluminum liquid receiving area 1 enters the filtering area 2.

[0032] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. An electrolytic aluminum liquid transfer and filtration device, characterized in that: include: A filter area (2), the filter area (2) being located on one side of the furnace body (9), and a filter plate (6) being arranged in the filter area (2); A static zone (3), the static zone (3) is located on one side of the filtering zone (2), a second aluminum liquid channel (7) and a smoke channel (8) connected to the filtering zone (2) are opened on the side wall of the static zone (3), the filter plate (6) is located between the second aluminum liquid channel (7) and the smoke channel (8), and a flow opening is opened on the side wall of the static zone (3) for communicating with the furnace body (9), so that the aluminum liquid in the static zone (3) flows into the furnace body (9) through the flow opening, and the smoke in the furnace body (9) enters the static zone (3) through the flow opening.

2. The electrolytic aluminum liquid transfer and filtration device according to claim 1 is characterized in that: An electrolytic aluminum liquid receiving area (1) is also provided on one side of the filtering area (2), and the electrolytic aluminum liquid receiving area (1) is located on a side of the filtering area (2) away from the static area (3). A first aluminum liquid channel (5) communicating with the filtering area (2) is provided on the side wall of the electrolytic aluminum liquid receiving area (1), and the first aluminum liquid channel (5) is located above the filtering plate (6).

3. The electrolytic aluminum liquid transfer and filtration device according to claim 2 is characterized in that: The bottom height of the electrolytic aluminum liquid receiving area (1) is located between the smoke channel (8) and the filter plate (6), and the bottom of the first aluminum liquid channel (5) is flush with the bottom of the electrolytic aluminum liquid receiving area (1).

4. The electrolytic aluminum liquid transfer and filtration device according to claim 2, characterized in that: The height of the aluminum liquid level in the filtering area (2) is located between the filtering plate (6) and the smoke channel (8), and is not higher than the bottom height of the first aluminum liquid channel (5).

5. The electrolytic aluminum liquid transfer and filtration device according to claim 2, characterized in that: The top of the electrolytic aluminum liquid receiving area (1) is open, and a heat-insulating cover (4) is placed on the top of the filtering area (2) and the static area (3).

6. The electrolytic aluminum liquid transfer and filtration device according to claim 2, characterized in that: The side wall of the filtering area (2) located below the first aluminum liquid channel (5) is arranged to be sloped, thereby achieving a smooth transition between the filtering area (2) and the static area (3).

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