A downcomer assembly for a vortex well

Abstract

The utility model relates to metal melting device technical field, concretely relates to a kind of unloading assembly for vortex well, unloading assembly is used to unload to vortex well, unloading assembly includes outer shell, inner shell and power unit, outer shell upper and lower ends are opened and divided into upper shell and lower shell, the lower part of upper shell is inwards retracted to form step lower shell, the outer diameter and inner diameter of lower shell are gradually retracted from top to bottom;And the outer wall of inner shell is attached with the inner wall of outer shell and upper and lower ends flush, the inside of inner shell is divided into at least four storage areas along its circumferential direction;The upper end and lower end of outer shell are respectively provided with upper cover plate and lower cover plate, and there are notches on the upper cover plate and the lower cover plate, and the power unit is used to drive the rotation of the inner shell relative to the outer shell.The unloading assembly of the utility model can avoid the contact between the aluminum liquid on the surface of the vortex well and the air, and can make the aluminum sheet or aluminum particles fall into the center of the vortex, improving the melting efficiency of the aluminum sheet or aluminum particles.

Description

Technical Field

[0001] This utility model relates to the field of metal melting device technology, specifically to a feeding assembly for vortex wells. Background Technology

[0002] A vortex well is a device used to process molten metal, particularly suitable for handling molten aluminum. Its working principle utilizes a rotating liquid flow field to create a powerful vortex, rapidly drawing in and entraining metal particles or sheets, achieving rapid melting and mixing. Most existing vortex wells are open-topped. While vortex wells can efficiently and quickly draw in raw materials such as aluminum sheets, the open design exposes the molten aluminum to air. Inevitably, some of the molten aluminum oxidizes upon contact with air, forming alumina, also known as aluminum dross. This dross affects the quality of the molten aluminum and requires additional steps to remove these impurities, increasing costs. Summary of the Invention

[0003] This invention addresses the problem of aluminum slag formation on the surface of molten aluminum in existing open-face vortex wells, which is caused by the latter's open design. It provides a feeding assembly for vortex wells. This feeding assembly prevents the molten aluminum on the vortex well surface from contacting air and allows aluminum sheets or particles to fall into the center of the vortex, improving the melting efficiency of the aluminum sheets or particles.

[0004] The technical solution of this utility model is: a material feeding assembly for a vortex well, the material feeding assembly being used to feed material into the vortex well, the material feeding assembly including an outer shell, an inner shell and a power unit, the outer shell being open at both ends and divided into an upper shell and a lower shell, the outer diameter of the upper part of the upper shell being greater than or equal to the outer diameter of the vortex well, the lower part of the upper shell contracting inward to form a step, such that the outer diameter of the lower part of the upper shell is less than or equal to the inner diameter of the vortex well, and the outer diameter and inner diameter of the lower shell gradually contract from top to bottom; The inner shell has the same shape as the outer shell, and the outer wall of the inner shell fits the inner wall of the outer shell and the upper and lower ends are flush. The interior of the inner shell is divided into at least four storage areas along its circumference. The upper and lower ends of the outer casing are respectively provided with an upper cover plate and a lower cover plate. Both the upper cover plate and the lower cover plate have notches, so that when one of the storage areas corresponds to the notch of the upper cover plate, the upper and lower ends of the two adjacent storage areas will not simultaneously correspond to the notches of the upper cover plate and the lower cover plate. The power unit is used to drive the inner shell to rotate relative to the outer shell.

[0005] By adopting the above scheme, the shape design of the outer shell creates a step at the connection between the upper and lower shells, and the size of the upper shell is limited, so that the outer shell can be supported by the side wall of the vortex well. At the same time, the outer wall of the inner shell fits into the inner wall of the outer shell, so that the inner shell also has a stepped structure, which allows the outer shell to support the inner shell. Furthermore, the lower parts of both the outer and inner shells gradually taper, which allows the material inside the inner shell to fall into the center of the vortex well, thereby allowing the material to be quickly drawn into the vortex and melted. Furthermore, by setting an upper cover plate and a lower cover plate at the upper and lower ends of the outer shell respectively, and setting notches, such that when one of the storage areas corresponds to the notch of the upper cover plate, the upper and lower ends of the two adjacent storage areas will not simultaneously correspond to the notches of the upper cover plate and the lower cover plate, so that when material is added to a storage area and when the rotation is completed after adding material, the inside of the vortex well will not be directly connected to the outside, thereby avoiding the generation of aluminum slag on the surface of the vortex well to a certain extent.

[0006] Based on the above solution, the present invention can be further improved as follows: Furthermore, the upper cover plate is provided with at least two suction ports, at least one of the suction ports is located on one side of the notch on the upper cover plate along the driving direction of the power unit, and the position of at least one suction port corresponds to the position of the notch on the lower cover plate. The suction ports are connected to the negative pressure ventilation equipment through pipes.

[0007] By adopting the above-mentioned further solution, when the material storage area is transferred away from the feeding point, the material inside will not fall directly into the vortex well. Instead, the material inside is connected to the negative pressure ventilation equipment through the suction port and pipe on the upper cover plate, so that some of the oxygen in the storage area can be extracted. This ensures that when the material falls into the vortex well, it will not carry too much oxygen, thereby further preventing the formation of aluminum slag on the surface of the vortex well. Furthermore, by setting suction ports corresponding to the notches on the lower cover plate, the pipes can be connected to the interior of the vortex well, thereby allowing the negative pressure ventilation equipment to extract the gas generated by the melting of materials inside the vortex well.

[0008] Furthermore, the notch position on the upper cover plate is opposite to the notch position on the lower cover plate.

[0009] Furthermore, there are four storage areas, and the sizes of the notches on the upper and lower cover plates correspond to the sizes of the top and bottom of the storage areas, respectively.

[0010] Furthermore, both the upper and lower cover plates are fan-shaped at 270°, and the middle of both the upper and lower cover plates protrudes towards their notches.

[0011] Furthermore, the outer diameter of the upper part of the upper shell is consistent with the outer diameter of the vortex well, and the outer diameter of the lower part of the upper shell is consistent with the inner diameter of the vortex well.

[0012] Furthermore, the storage areas are separated by partitions, and all storage areas are equal in size.

[0013] Furthermore, the power unit includes a motor and a rotating shaft. The motor is located on the upper part of the outer casing, and the output end of the motor is connected to the rotating shaft. The rotating shaft is located at the intersection of the partitions and is fixedly connected to the partitions.

[0014] Furthermore, a sleeve is provided at the intersection of the partitions, and the rotating shaft is located inside the sleeve and fixedly connected to the sleeve.

[0015] The beneficial effects of this utility model through the above technical solution are as follows: 1. In this utility model, the shape design of the outer shell creates a step at the connection between the upper and lower shells, allowing the outer shell to be supported by the side wall of the vortex well. Simultaneously, the outer wall of the inner shell fits snugly against the inner wall of the outer shell, creating a stepped structure within the inner shell as well. This allows the outer shell to support the inner shell. Furthermore, the lower parts of both the outer and inner shells gradually taper, concentrating the material within the inner shell into the center of the vortex well, where it is quickly drawn into the vortex and melts. Additionally, by providing an upper cover plate and a lower cover plate with notches at the upper and lower ends of the outer shell, the vortex well is not directly connected to the outside during material feeding into a storage area or during rotation after feeding, thus preventing the formation of aluminum slag on the surface of the vortex well to a certain extent.

[0016] 2. In a further embodiment of this utility model, when the material storage area is transferred away from the loading point, the material inside does not fall directly into the vortex well. Instead, the material inside is connected to a negative pressure ventilation device via a suction port and pipe on the upper cover plate. This allows some of the oxygen in the storage area to be extracted, ensuring that the material does not carry excessive oxygen when it falls into the vortex well, thereby further preventing the formation of aluminum slag on the surface of the vortex well. Furthermore, by setting suction ports corresponding to the notches on the lower cover plate, the pipes can be connected to the interior of the vortex well, allowing the negative pressure ventilation device to extract the gas generated by the melting of the material inside the vortex well. Attached Figure Description

[0017] Figure 1 This is a schematic diagram illustrating the use of this utility model; Figure 2 This is one of the structural schematic diagrams of this utility model; Figure 3 This is the second structural schematic diagram of this utility model; Figure 4This is the third structural schematic diagram of this utility model (the top cover and pipe are hidden). Figure 5 This is the fourth structural schematic diagram of this utility model (the top cover, pipe and motor are hidden).

[0018] The attached diagram is labeled as follows: 1. Vortex well, 2. Outer shell, 201. Upper shell, 202. Lower shell, 203. Step, 204. Upper cover plate, 205. Lower cover plate, 206. Notch, 207. Suction port, 208. Pipeline. 3. Inner shell, 301. Storage area, 302. Partition, 303. Sleeve, 4. Power unit, 401. Motor, 402. Shaft. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: like Figures 1-3 As shown, a material feeding assembly for a vortex well is disclosed. The material feeding assembly is used to feed material into a vortex well 1. The vortex well 1 has an opening at the top. The material feeding assembly includes an outer shell 2, an inner shell 3, and a power unit 4. The power unit 4 is used to drive the inner shell 3 to rotate relative to the outer shell 2. The outer shell 2 has openings at both the top and bottom and is divided into an upper shell 201 and a lower shell 202. The outer diameter of the upper part of the upper shell 201 is greater than or equal to the outer diameter of the vortex well 1. The lower part of the upper shell 201 tapers inward to form a step 203, so that the outer diameter of the lower part of the upper shell 201 is less than or equal to the inner diameter of the vortex well 1. The outer diameter of the top of the lower shell 202 is the same as the outer diameter of the bottom of the upper shell 201. The outer diameter and inner diameter of the lower shell 202 gradually taper from top to bottom.

[0020] In this embodiment, the outer diameter of the upper part of the upper shell 201 is the same as the outer diameter of the vortex well 1, and the outer diameter of the lower part of the upper shell 201 is the same as the inner diameter of the vortex well 1. This allows the outer shell 2 to be supported by the side wall of the vortex well 1, which facilitates the installation of the material feeding assembly. Furthermore, an external frame can be set to support the material feeding assembly as needed, thereby ensuring the stability of the material feeding assembly during use.

[0021] The inner shell 3 has the same shape as the outer shell 2, and the outer wall of the inner shell 3 fits snugly against the inner wall of the outer shell 2 with its top and bottom ends flush. This gives the inner shell 3 a stepped structure, allowing the outer shell 2 to support it. Both the outer shell 2 and the inner shell 3 gradually taper at their lower parts, allowing the material inside the inner shell 3 to concentrate and fall into the center of the vortex well 1, thus rapidly drawing the material into the vortex and melting it. The interior of the inner shell 3 is divided into at least four storage zones 301 along its circumference. Figure 4 As shown, in this embodiment, there are four storage areas 301, and the size and volume of the four storage areas 301 are all equal.

[0022] like Figure 2 and Figure 3 As shown, the upper end and lower end of the outer shell 2 are respectively provided with an upper cover plate 204 and a lower cover plate 205. Both the upper cover plate 204 and the lower cover plate 205 have notches 206. The notches 206 on the upper cover plate 204 are used for material to be discharged into the inner shell 3, and the notches 206 on the lower cover plate 205 are used for material to be discharged from the inner shell 3 into the vortex well 1. This ensures that when one of the storage areas 301 corresponds to the notch 206 of the upper cover plate 204, the upper and lower ends of the two adjacent storage areas 301 will not simultaneously correspond to the notches 206 of the upper cover plate 204 and the lower cover plate 205.

[0023] In this embodiment, such as Figure 2 and Figure 3 As shown, both the upper cover plate 204 and the lower cover plate 205 are fan-shaped with a 270° angle, and the middle of both the upper cover plate 204 and the lower cover plate 205 protrude towards their notches 206. Furthermore, the notches 206 on the upper cover plate 204 and the lower cover plate 205 are positioned opposite to each other. Specifically, ... Figure 2 and Figure 3 Taking the perspective of the upper cover plate 204 as an example, the notch 206 on the upper cover plate 204 is located in the southwest of the upper cover plate 204, and the notch 206 on the lower cover plate 205 is located in the northeast of the lower cover plate 205. In this embodiment, the orientation of the notch 206 on the upper cover plate 204 is opposite to that of the notch 206 on the lower cover plate 205. Specifically, the notch 206 on the upper cover plate 204 faces the lower left of the upper cover plate 204, and the notch 206 on the lower cover plate 205 faces the upper right of the lower cover plate 205. Furthermore, the sizes of the notches 206 on the upper cover plate 204 and the lower cover plate 205 correspond to the sizes of the top and bottom of the storage area 301, respectively (e.g., ...). Figure 2 and Figure 3 (As shown).

[0024] In this embodiment, when one of the storage areas 301 is fed into the notch 206 of the upper cover plate 204 and the feeding is completed and the rotation is completed, the upper and lower ends of the two adjacent storage areas 301 will not be simultaneously connected to the outside and the inside of the vortex well 1 (e.g., Figure 2As shown, when material is added to the storage area 301, the two adjacent storage areas 301 are neither connected to the inside of the vortex well 1 nor to the outside. When the material is added to the storage area 301 and rotated clockwise, the storage area 301 on the left is connected to the inside of the vortex well 1 but not to the outside, and the storage area 301 on the right is connected to the outside but not to the inside of the vortex well 1. This ensures that the inside of the vortex well 1 is not directly connected to the outside, thereby avoiding the generation of aluminum dross on the surface of the vortex well to a certain extent. In this embodiment, the material is aluminum sheet or aluminum block.

[0025] As one possible implementation method, such as Figure 1 and Figure 2 As shown, the upper cover plate 204 is provided with at least two suction ports 207. At least one suction port 207 is located on one side of the notch 206 on the upper cover plate 204 along the driving direction of the power unit 4. The position of at least one suction port 207 corresponds to the position of the notch 206 on the lower cover plate 205. The suction port 207 is connected to the negative pressure ventilation device through the pipe 208.

[0026] In this embodiment, the driving direction of the power unit 4 is clockwise, such as... Figure 2 As shown, the upper cover plate 204 is provided with two suction ports 207. One suction port 207 is located on the upper left of the upper cover plate 204, and the other suction port 207 is located on the upper right of the upper cover plate 204. The upper right suction port corresponds to the position of the notch 206 on the lower cover plate 205. Therefore, when the storage area 301 containing aluminum sheets or aluminum blocks moves away from the notch 206 position of the upper cover plate 204, the material inside will not fall directly into the vortex well 1. Instead, the material inside will be connected to the suction port 207 on the upper cover plate 204 and the pipe 208 by a negative pressure ventilation device (not shown in the figure). The connection allows some oxygen to be extracted from the storage area 301, so that when the material falls into the vortex well 1, it will not carry too much oxygen, thus avoiding the formation of aluminum slag on the surface of the vortex well. Furthermore, by setting the suction port 207 corresponding to the position of the notch 206 on the lower cover plate 205, the pipe 208 can be connected to the interior of the vortex well 1, so that the gas generated by the melting of the material in the vortex well 1 can be extracted by the negative pressure exhaust device (when there is coating or other coating on the aluminum sheet or aluminum block, some gas may be generated during the melting process).

[0027] As one possible implementation method, such as Figure 4 and Figure 5 As shown, the storage areas 301 are separated by four partitions 302, and the upper and lower ends of the partitions 302 are flush with the upper and lower ends of the inner shell 3.

[0028] As one possible implementation method, such as Figure 1 and Figure 5As shown, the power unit 4 includes a motor 401 and a rotating shaft 402. The motor 401 is located on the upper part of the outer shell 2. The motor 401 is fixed and supported by an external frame. The output end of the motor 401 is connected to the rotating shaft 402. The rotating shaft 402 is located at the intersection of the partition 302 and is fixedly connected to the partition 302.

[0029] As one possible implementation method, such as Figure 5 As shown, a sleeve 303 is provided at the intersection of the partition 302. The rotating shaft 402 is located inside the sleeve 303 and is fixedly connected to the sleeve 303. The upper and lower ends of the sleeve 303 and the rotating shaft 402 are flush with the upper and lower ends of the inner shell 3. The protrusion of the middle part of the upper cover plate 204 and the lower cover plate 205 towards their notch 206 is used to support the rotating shaft 402.

[0030] In this utility model, when in use: By controlling the rotation of the motor 401, the inner shell 3 is driven to rotate relative to the outer shell 2 until one of the storage areas 301 aligns with the notch 206 on the upper cover plate 204. Aluminum sheets or blocks are then added to the storage area 301. At this time, the two adjacent storage areas 301 are neither connected to the inside of the vortex well 1 nor to the outside. The storage area 301 on the left side of the storage area 301 is connected to the negative pressure ventilation equipment through the suction port 207 and the pipe 208, so that some of the oxygen in the storage area 301 can be extracted. As a result, when the material in the storage area 301 falls into the vortex well 1, it will not carry too much oxygen. When two-thirds of the volume of aluminum sheets or blocks are filled into the storage area 301, the control motor 401 rotates clockwise, thereby causing the storage area 301 on the left side of the storage area 301 to rotate to communicate with the inside of the vortex well 1 (so that the aluminum sheets or blocks fall into the inside of the vortex well 1) but not to communicate with the outside. The storage area 301 on the right side of the storage area 301 is connected to the outside but not to the inside of the vortex well 1, thus avoiding direct communication between the inside of the vortex well 1 and the outside, and thus preventing the generation of too much aluminum slag on the surface of the vortex well.

[0031] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Any equivalent or similar modifications or substitutions to the technical solutions of the present invention without departing from the spirit of the present invention or the scope of disclosure shall fall within the protection scope of the present invention.

Claims

1. A material feeding assembly for a vortex well, the material feeding assembly being used to feed material into a vortex well (1), characterized in that, The feeding assembly includes an outer shell (2), an inner shell (3), and a power unit (4). The outer shell (2) has openings at both ends and is divided into an upper shell (201) and a lower shell (202). The outer diameter of the upper part of the upper shell (201) is greater than or equal to the outer diameter of the vortex well (1). The lower part of the upper shell (201) shrinks inward to form a step (203), so that the outer diameter of the lower part of the upper shell (201) is less than or equal to the inner diameter of the vortex well (1). The outer diameter and inner diameter of the lower shell (202) gradually shrink from top to bottom. The inner shell (3) has the same shape as the outer shell (2), and the outer wall of the inner shell (3) is attached to the inner wall of the outer shell (2) and the upper and lower ends are flush. The interior of the inner shell (3) is divided into at least four storage areas (301) along its circumference. The upper end and lower end of the outer shell (2) are respectively provided with an upper cover plate (204) and a lower cover plate (205). Both the upper cover plate (204) and the lower cover plate (205) have notches (206), so that when one of the storage areas (301) corresponds to the notch (206) of the upper cover plate (204), the upper and lower ends of the two adjacent storage areas (301) will not simultaneously correspond to the notch (206) of the upper cover plate (204) and the notch (206) of the lower cover plate (205); The power unit (4) is used to drive the inner shell (3) to rotate relative to the outer shell (2).

2. The feed assembly for vortex wells according to claim 1, characterized in that, The upper cover plate (204) is provided with at least two suction ports (207). At least one of the suction ports (207) is located on one side of the notch (206) on the upper cover plate (204) along the driving direction of the power unit (4). The position of at least one suction port (207) corresponds to the position of the notch (206) on the lower cover plate (205). The suction port (207) is connected to the negative pressure ventilation device through the pipe (208).

3. The feed assembly for vortex wells according to claim 1 or 2, characterized in that, The notch (206) on the upper cover plate (204) is located opposite to the notch (206) on the lower cover plate (205).

4. The feed assembly for vortex wells according to claim 1 or 2, characterized in that, There are four storage areas (301), and the size of the notch (206) on the upper cover plate (204) and the lower cover plate (205) corresponds to the size of the top and bottom of the storage area (301), respectively.

5. The feed assembly for vortex wells according to claim 4, characterized in that, The upper cover plate (204) and the lower cover plate (205) are both fan-shaped at 270°, and the middle part of the upper cover plate (204) and the lower cover plate (205) both protrude towards their notches (206).

6. The feed assembly for vortex wells according to claim 1 or 2, characterized in that, The outer diameter of the upper part of the upper shell (201) is consistent with the outer diameter of the vortex well (1), and the outer diameter of the lower part of the upper shell (201) is consistent with the inner diameter of the vortex well (1).

7. The feed assembly for vortex wells according to claim 1 or 2, characterized in that, The storage areas (301) are separated by partitions (302), and all storage areas (301) are equal in size.

8. The feed assembly for vortex wells according to claim 7, characterized in that, The power unit (4) includes a motor (401) and a rotating shaft (402). The motor (401) is located on the upper part of the outer shell (2). The output end of the motor (401) is connected to the rotating shaft (402). The rotating shaft (402) is located at the intersection of the partition (302) and is fixedly connected to the partition (302).

9. The feed assembly for vortex wells according to claim 8, characterized in that, A sleeve (303) is provided at the intersection of the partition (302), and the rotating shaft (402) is located inside the sleeve (303) and fixedly connected to the sleeve (303).

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