Large-flow molten aluminum vortex pump system and working method thereof

Abstract

The invention discloses a high-flow molten aluminum vortex pump system and a working method thereof.The high-flow molten aluminum vortex pump system is arranged on one side of a molten aluminum double-chamber furnace and comprises a combined block body, the combined block body is of a cuboid assembly structure and comprises a pump block, a vortex block and a filling block, a pump chamber is formed in the top of the pump block, and the vortex block is arranged in the pump chamber; the bottom of the pump chamber is communicated with a liquid supply hole of the filling block, and the top of the pump chamber is communicated to a vortex well chamber of the vortex block through a liquid outlet in the side wall; the impeller can rotate in the inner cavity of the pump chamber to lift and convey the molten aluminum; and the driving mechanism is used for driving the impeller to rotate. The pump block, the vortex block and the filling block are spliced to form a core combination block body of the vortex pump system, the structural strength is improved, the aluminum liquid transfer process is reduced, and the aluminum liquid flow is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of molten aluminum vortex pumps, and in particular to a large-flow molten aluminum vortex pump system and a working method thereof. Background Art

[0002] Secondary aluminum manufacturers often use outdated equipment to recycle and smelt aluminum scrap, mostly using direct flame heating. This not only consumes a lot of energy but also causes severe oxidation and burn-in. The advent of the aluminum vortex well overcomes these drawbacks. A key component of a dual-chamber aluminum furnace or a secondary aluminum smelting furnace, the aluminum vortex well is primarily used to efficiently and effectively melt aluminum scrap, including scrap, with minimal losses. Its core principle is to utilize the high-speed flow of molten aluminum to create a vortex, rapidly immersing the scrap aluminum in the molten pool and reducing oxidation and burn-in.

[0003] However, existing aluminum vortex wells often have separate pump and vortex well chambers connected by a launder. For example, the isothermal melting furnace structure for improving the temperature uniformity of aluminum and aluminum alloy melts, as disclosed in utility model patent publication number CN201751784U, utilizes a separate circulation pump and vortex feeding well located outside the furnace to circulate the aluminum. While this separate structure facilitates maintenance of the various components, the length of the launder hinders flow rate optimization, resulting in low aluminum melting efficiency.

[0004] In order to overcome the above problems, a large-flow aluminum liquid vortex pump system and a working method thereof are needed. Summary of the Invention

[0005] The purpose of the present invention is to provide a large-flow aluminum liquid vortex pump system and a working method thereof. The core assembly block of the vortex pump system is assembled by a pump block, an vortex block and a filling block, which improves the structural strength, reduces the aluminum liquid transfer process, and increases the aluminum liquid flow rate.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The present invention provides a large-flow aluminum liquid eddy current pump system, which is arranged on one side of an aluminum liquid double-chamber furnace, and comprises:

[0008] The combined block is a rectangular parallelepiped structure, comprising a pump block, a vortex block and a filling block. A pump chamber is provided on the top of the pump block, the bottom of the pump chamber is connected to the liquid supply hole of the filling block, and the top of the pump chamber is connected to the vortex well chamber of the vortex block through the liquid outlet on the side wall;

[0009] An impeller is capable of rotating in the inner cavity of the pump chamber to lift and transport the molten aluminum;

[0010] The driving mechanism is used to drive the impeller to rotate.

[0011] Further, the impeller is a split structure including an impeller stem and an impeller head, and the bottom end of the impeller stem is coaxially and detachably connected to the impeller head.

[0012] Further, the top end of the impeller stem is connected to the driving mechanism by a flange.

[0013] Further, the driving mechanism includes a reduction motor, a hoisting mechanism and a hanger. The hanger is a steel bracket erected above the pump block. The hoisting mechanism is arranged on the top beam of the hanger and can move along the long side direction of the combined block body. The hoisting mechanism hoists the reduction motor in and out of the pump chamber. The reduction motor is arranged on the bottom horizontal beam seat of the hanger, and the output shaft of the reduction motor vertically downward is coaxially connected to the flange.

[0014] Further, a slag baffle is arranged on one side of the filling block facing the pump block at the liquid supply hole.

[0015] Further, a slag cleaning assembly is further arranged at the bottom of the eddy current block, and the slag cleaning assembly removes heavy density particulate impurities in the molten aluminum.

[0016] Further, the slag cleaning assembly includes a slag discharge shaft. A slag discharge groove is opened at the bottom of the eddy current block. The slag discharge groove is perpendicular to the liquid return port of the eddy current block. The top of the cross-section of the slag discharge groove is a circular arc hole. The slag discharge shaft is rotatably inserted into the circular arc hole. Two slag discharge grooves are symmetrically opened on the outer cylindrical wall of the slag discharge shaft, and the slag discharge grooves can be located at the bottom of the liquid return port.

[0017] Further, the slag cleaning assembly further includes a clamping plate. A rotating head is arranged at the outer end of the slag discharge shaft, and a clamping groove is arranged inside the rotating head. The semi-circular hole of the clamping plate is clamped on the upper part of the clamping groove, and the clamping plate is detachably connected to the outer side wall of the eddy current block.

[0018] Further, a liquid blocking part is arranged above the slag discharge groove on the top wall of the inner end of the liquid return port, and the liquid blocking part is a convex structure with an arc surface.

[0019] The present invention also discloses a working method of a large-flow molten aluminum eddy current pump system, using the large-flow molten aluminum eddy current pump system described in any one of the above to perform circulating pumping of molten aluminum on one side of a double-chamber furnace.

[0020] Compared with the prior art, the beneficial technical effects of the present invention are:

[0021] The large-flow aluminum liquid eddy current pump system of the present invention is prefabricated in a factory through a pump block, an eddy current block, and a filling block respectively, and then assembled on site, which is convenient for manufacturing and transportation; the assembled combined block body, as the core component of the aluminum liquid eddy current pump system, has the advantages of enhanced structural strength and short flow channels between each other, which improves the aluminum liquid flow rate, and further improves the efficiency of the aluminum liquid eddy current pump system in processing aluminum chips.

[0022] In addition, by adopting an impeller with a split structure, the diameter of the impeller head part can be increased, thereby increasing the aluminum liquid lifting capacity of the impeller; moreover, if a component is damaged, the effect of individual replacement can be achieved. Through the setting of the hoisting mechanism and the hanger, the reduction motor together with the impeller can be hoisted into and out of the pump chamber, realizing the switching between the working position and the maintenance position. By adding a slag baffle, the situation of floating slag entering the pump chamber can be reduced, avoiding the occurrence of blocking the impeller blade gap or scratching the blades. By adding the slag cleaning component at the bottom of the eddy current block to remove heavy-density particulate impurities in the aluminum liquid, the purity of the recycled aluminum liquid can be improved, the heavy-density impurities can be reduced, and the quality of aluminum liquid melting can be improved. By using a slag discharge shaft to form the slag cleaning component, the aluminum liquid flowing through the return liquid port can be slag-cleaned. The sedimentation tank at the top of the slag discharge shaft is located at the sunken position of the bottom surface of the return liquid port. Under the influence of gravity, heavy-density particulate impurities gather in the sedimentation tank. Rotating the slag discharge shaft half a turn can switch the two sedimentation tanks, and the aluminum liquid with heavy particulate impurities in the sedimentation tank is discharged onto the bottom surface of the slag discharge tank, and can be manually removed. By adding a liquid blocking part, the flow rate of the aluminum liquid in the return liquid port can be reduced, so that heavy-density particulate impurities can fully settle.

[0023] The working method of the large-flow aluminum liquid eddy current pump system of the present invention adopts an assembly method to form the combined block body in a large cuboid shape, which serves as the core component of the aluminum liquid eddy current pump system, with a more compact structure and higher strength. The aluminum liquid flow rate is increased, and the processing efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] Figure 1 It is a schematic top view structure diagram of the large-flow aluminum liquid eddy current pump system of the present invention;

[0026] Figure 2 It is a schematic front view structure diagram of the large-flow aluminum liquid eddy current pump system of the present invention;

[0027] Figure 3 It is a schematic three-dimensional structure diagram of the combined block body of the present invention;

[0028] Figure 4 It is a schematic three-dimensional structure diagram of the combined block body of the present invention from another angle;

[0029] Figure 5Schematic three-dimensional structure diagram of the impeller handle of the present invention;

[0030] Figure 6 Schematic three-dimensional structure diagram of the impeller head of the present invention;

[0031] Figure 7 is Figure 1 Schematic cross-sectional structure diagram of the part A-A in

[0032] Figure 8 Schematic three-dimensional structure diagram of the slag discharge shaft of the present invention.

[0033] Explanation of reference numerals: 1, pump block; 101, pump chamber; 102, liquid outlet; 2, eddy current block; 201, eddy current well chamber; 202, return liquid port; 203, slag discharge groove; 204, liquid blocking part; 3, filling block; 301, liquid supply hole; 4, impeller; 401, impeller handle; 4011, connection head; 4012, flange; 402, impeller head; 4021, connection hole; 5, reduction motor; 6, hoisting mechanism; 7, hanger; 8, slag discharge shaft; 801, sedimentation tank; 802, rotating head; 803, clamping groove; 9, clamping plate; 10, melting area; 11, heating area. Detailed implementation manners

[0034] The core of the present invention is to provide a large-flow aluminum liquid eddy current pump system and its working method, which uses a pump block, an eddy current block and a filling block to assemble and form the core combined block of the eddy current pump system, improving the structural strength, reducing the aluminum liquid transfer process, and increasing the aluminum liquid flow rate.

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 construed as a limitation of the present invention.

[0037] Referring to the accompanying drawings, Figure 1 Schematic top view structure diagram of the large-flow aluminum liquid eddy current pump system of the present invention; Figure 2 Schematic front view structure diagram of the large-flow aluminum liquid eddy current pump system of the present invention; Figure 3Schematic diagram of the three-dimensional structure of the combined block of the present invention; Figure 4 Schematic diagram of the three-dimensional structure of the combined block of the present invention from another angle; Figure 5 Schematic diagram of the three-dimensional structure of the impeller shaft of the present invention; Figure 6 Schematic diagram of the three-dimensional structure of the impeller head of the present invention; Figure 7 is Figure 1 Schematic diagram of the sectional structure at the A-A position in Figure 8 Schematic diagram of the three-dimensional structure of the slag discharge shaft of the present invention.

[0038] In a specific embodiment, as Figures 1 - 8 shown, the large-flow aluminum liquid eddy current pump system of the present invention is arranged on one side of the aluminum liquid double-chamber furnace, and includes:

[0039] The combined block is a cuboid assembled structure, including a pump block 1, an eddy current block 2 and a filling block 3. All three are cuboid structures and can be combined into a large cuboid mechanism. After the three are prefabricated, the assembled joint surfaces at the installation site are sealed and connected with refractory cement. A pump chamber 101 is opened at the top of the pump block 1. The bottom of the pump chamber 101 communicates with the liquid supply hole 301 of the filling block 3, and the other end of the liquid supply hole 301 is connected to the heating zone 11 of the aluminum liquid double-chamber furnace through a pipeline. The top of the pump chamber 101 communicates with the eddy current well chamber 201 of the eddy current block 2 through the liquid outlet 102 on the side wall, and the bottom of the eddy current well chamber 201 communicates with the melting zone 10 of the aluminum liquid double-chamber furnace.

[0040] The impeller 4 can rotate and work in the inner cavity of the pump chamber 101. The impeller 4 is coaxially assembled in the pump chamber 101 to lift and transport the aluminum liquid. The impeller 4 can be hoisted out of the pump chamber 101. Both the combined block and the impeller 4 are made of refractory material silicon nitride.

[0041] The driving mechanism is used to drive the impeller 4 to rotate.

[0042] By prefabricating the pump block 1, the eddy current block 2 and the filling block 3 in the factory respectively and then assembling them on site, it is convenient for manufacturing and transportation; the assembled combined block, as the core component of the aluminum liquid eddy current pump system, has the advantages of enhanced structural strength and short flow channels between each other, which improves the aluminum liquid flow rate and further improves the efficiency of the aluminum liquid eddy current pump system in processing aluminum chips.

[0043] In a specific embodiment of the present invention, as Figure 2 , Figure 5 and Figure 6As shown, the impeller 4 is a split structure including an impeller shaft 401 and an impeller head 402. The bottom end of the impeller shaft 401 is coaxially and detachably connected to the impeller head 402. The bottom end of the impeller shaft 401 is provided with a threaded connector 4011, and the top of the impeller head 402 is provided with a threaded connection hole 4021. The connector 4011 is threadedly connected in the connection hole 4021, and the connection between the two is a left-handed thread connection. The impeller head 402 can be made of graphite material.

[0044] Specifically, as Figure 5 shown, the top end of the impeller shaft 401 is connected to the drive mechanism by a flange 4012. The bottom of the flange 4012 is sleeved on the top end of the impeller shaft 401 through a sleeve. The flange 4012 is made of brass material.

[0045] By adopting the split-structured impeller 4, the diameter of the impeller head 402 can be increased, thereby increasing the aluminum liquid lifting amount of the impeller 4; moreover, if a component is damaged, the effect of single replacement can be achieved.

[0046] In a specific embodiment of the present invention, as Figure 1 and Figure 2 shown, the drive mechanism includes a reduction motor 5, a hoisting mechanism 6 and a hanging bracket 7. The hanging bracket 7 is a steel bracket erected above the pump block 1 and is fixed to the ground of the workshop at the bottom. The hoisting mechanism 6 is arranged on the top beam of the hanging bracket 7. The top beam is centered and arranged along the long side of the combined block. The hoisting mechanism 6 can walk along the long side direction of the combined block. The hoisting mechanism 6 hoists the reduction motor 5 in and out of the pump chamber 101. The reduction motor 5 is arranged on the bottom horizontal beam seat of the hanging bracket 7, and the output shaft of the reduction motor 5 vertically downward is coaxially connected to the flange 4012.

[0047] Specifically, as Figure 1 and Figure 2 shown, the hoisting mechanism 6 specifically adopts an electric hoist, and the machine base of the reduction motor 5 can be switched between the working position above the pump chamber 101 and the maintenance position at the cantilever end of the bottom horizontal beam seat of the hanging bracket 7.

[0048] Through the setting of the hoisting mechanism 6 and the hanging bracket 7, the reduction motor 5 together with the impeller 4 can be hoisted into and out of the pump chamber 101, realizing the switching between the working position and the maintenance position.

[0049] In a specific embodiment of the present invention, as Figure 3 and 4 shown, a slag baffle is provided on the side of the filling block 3 facing the pump block 1 at the liquid supply hole 301.

[0050] By adding the slag baffle, the situation of floating slag entering the pump chamber 101 can be reduced, and the situation of blocking the blade gap of the impeller 4 or scratching the blades can be avoided.

[0051] In a specific embodiment of the present invention, as Figures 1 - 3 , Figure 7 and Figure 8 shown, a slag cleaning assembly is further provided at the bottom of the eddy current block 2, and the slag cleaning assembly removes heavy-density particulate impurities in the molten aluminum.

[0052] In actual production, waste materials such as recycled aluminum chips, aluminum cans, and aluminum foils put into the eddy current well chamber 201 may also carry heavy particulate impurities such as copper chips and iron chips. If not processed, it will have an adverse impact when entering the smelting furnace. Therefore, it is necessary to remove heavy-density particulate impurities in the molten aluminum.

[0053] By adding the slag cleaning assembly at the bottom of the eddy current block 2 to remove heavy-density particulate impurities in the molten aluminum, the purity of the recycled molten aluminum can be improved, heavy-density impurities can be reduced, and the quality of molten aluminum smelting can be improved.

[0054] Specifically, as Figure 7 and Figure 8 shown, the slag cleaning assembly includes a slag discharging shaft 8. A slag discharging groove 203 is opened at the bottom of the eddy current block 2. The slag discharging groove 203 is perpendicular to the liquid return port 202 of the eddy current block 2. The top of the cross-section of the slag discharging groove 203 is an arc hole, and the bottom is a trapezoidal groove. The slag discharging shaft 8 is rotatably inserted into the arc hole. Two sedimentation grooves 801 are symmetrically opened on the outer cylindrical wall of the slag discharging shaft 8, and the sedimentation grooves 801 can be located at the bottom of the liquid return port 202. The central angles corresponding to the two sides of the sedimentation groove 801 are not greater than 60 degrees.

[0055] Specifically, the slag discharging shaft 8 is made of high-density graphite material, which has good high-temperature resistance and self-lubricating performance. The side walls of the sedimentation grooves 801 are all processed with arc transitions.

[0056] Specifically, as Figure 2 and Figure 3 shown, the slag cleaning assembly further includes a clamping plate 9. A rotating head 802 is provided at the outer end of the slag discharging shaft 8, and an annular clamping groove 803 is provided inside the rotating head 802. The semi-circular hole at the middle position of the bottom edge of the clamping plate 9 is clamped on the upper part of the clamping groove 803, and the clamping plate 9 is detachably connected to the outer side wall of the eddy current block 2 by screws.

[0057] Specifically, as Figure 7 shown, a liquid blocking portion 204 is provided on the top wall of the inner end of the liquid return port 202 above the sedimentation groove 801, and the liquid blocking portion 204 is a convex structure with an arc surface.

[0058] By adopting the slag discharge shaft 8 to form the slag cleaning assembly, the molten aluminum flowing through the liquid return port 202 can be subjected to slag cleaning treatment. The sedimentation tank 801 at the top of the slag discharge shaft 8 is located at the sunken position on the bottom surface of the liquid return port 202. Under the influence of gravity, heavy-density particulate impurities gather in the sedimentation tank 801. Rotating the slag discharge shaft 8 half a turn can switch the two sedimentation tanks 801. The molten aluminum with heavy particulate impurities in the sedimentation tank 801 is discharged onto the bottom surface of the slag discharge tank 203 and can be removed manually. By adding the liquid blocking part 204, the flow rate of the molten aluminum in the liquid return port 202 can be reduced, enabling the heavy-density particulate impurities to settle fully.

[0059] The working process of the large-flow molten aluminum eddy current pump system of the present invention: Operate the control panel of the electric control box of the equipment, and the reduction motor 5 starts, driving the impeller 4 directly below to rotate in the pump chamber 101. The molten aluminum flows from the heating zone 11 of the molten aluminum double-chamber furnace through the liquid supply hole 301, and after passing through the slag baffle for filtration, it enters the pump chamber 101. During the rotation of the impeller head 402, the molten aluminum in the pump chamber 101 is lifted, and the molten aluminum at the top flows through the liquid outlet 102 into the eddy current well chamber 201 to form a swirling flow. The recycled aluminum chips conveyed by the conveyor belt are put in from above the eddy current well chamber 201. The aluminum chips are wrapped by the swirling flow of the high-temperature molten aluminum and gradually melt, reducing oxidation and burning loss. At the bottom of the eddy current well chamber 201, the rotation speed and flow rate of the molten aluminum gradually decrease, and it flows back to the melting zone 10 of the molten aluminum double-chamber furnace through the liquid return port 202 and the pipeline to complete the cycle. Among them, at the inner port of the liquid return port 202, due to the blocking effect of the liquid blocking part 204, the flow rate of the molten aluminum decreases, and the entrained heavy-density impurities settle downward into the sedimentation tank 801. Rotate the slag discharge shaft 8 regularly to achieve the removal of heavy-density impurities.

[0060] The large-flow aluminum liquid eddy current pump system of the present invention is prefabricated in a factory through a pump block 1, an eddy current block 2, and a filling block 3 respectively, and then assembled on site, which is convenient for manufacturing and transportation; the assembled combined block body, as the core component of the aluminum liquid eddy current pump system, has the advantages of enhanced structural strength and short flow channels between each other, which improves the aluminum liquid flow rate, and further improves the efficiency of the aluminum liquid eddy current pump system in processing aluminum chips. In addition, by adopting an impeller 4 with a split structure, the diameter of the impeller head 402 can be increased, thereby increasing the aluminum liquid lifting amount of the impeller 4; moreover, if a component is damaged, the effect of individual replacement can be achieved. Through the setting of a hoisting mechanism 6 and a hanger 7, the reduction motor 5 together with the impeller 4 can be hoisted into and out of the pump chamber 101, realizing the switching between the working position and the maintenance position. By adding a slag baffle, the situation of floating slag entering the pump chamber 101 can be reduced, avoiding the occurrence of blocking the blade gaps of the impeller 4 or scratching the blades. By adding the slag cleaning component at the bottom of the eddy current block 2 to remove the heavy-density particulate impurities in the aluminum liquid, the purity of the recycled aluminum liquid can be improved, the heavy-density impurities can be reduced, and the aluminum liquid melting quality can be improved. By adopting a slag discharge shaft 8 to form the slag cleaning component, the aluminum liquid flowing through the liquid return port 202 can be slag-cleaned. The sedimentation tank 801 at the top of the slag discharge shaft 8 is located at the sunken position of the bottom surface of the liquid return port 202. Under the influence of gravity, the heavy-density particulate impurities gather in the sedimentation tank 801. By rotating the slag discharge shaft 8 half a turn, the two sedimentation tanks 801 can be switched, and the aluminum liquid with heavy particulate impurities in the sedimentation tank 801 is discharged onto the bottom surface of the slag discharge tank 203, and can be manually removed. By adding a liquid blocking part 204, the flow rate of the aluminum liquid in the liquid return port 202 can be reduced, so that the heavy-density particulate impurities can fully settle.

[0061] The present invention also discloses a working method of a large-flow aluminum liquid eddy current pump system, using the large-flow aluminum liquid eddy current pump system described in any one of the above embodiments to perform circulating pumping of aluminum liquid on one side of a double-chamber furnace.

[0062] The combined block body formed by assembling in a large cuboid shape serves as the core component of the aluminum liquid eddy current pump system, with a more compact structure and higher strength. The aluminum liquid flow rate is increased, and the processing efficiency is greatly improved.

[0063] In the present specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. For the same or similar parts between each embodiment, reference can be made to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and reference can be made to the description in the method part for related parts.

[0064] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A large-flow aluminum liquid eddy current pump system is arranged on one side of a double-chamber aluminum liquid furnace, and is characterized in that, Comprising: A combined block, which is a cuboid assembled structure, including a pump block (1), a vortex block (2) and a filling block (3). A pump chamber (101) is provided at the top of the pump block (1). The bottom of the pump chamber (101) communicates with the liquid supply hole (301) of the filling block (3). The top of the pump chamber (101) communicates with the vortex well chamber (201) of the vortex block (2) through the liquid outlet (102) on the side wall. An impeller (4), which can rotate and work in the inner cavity of the pump chamber (101) to lift and transport molten aluminum. A driving mechanism for driving the impeller (4) to rotate.

2. The large-flow aluminum liquid eddy current pump system according to claim 1, wherein: The impeller (4) is a split structure including an impeller shaft (401) and an impeller head (402). The bottom end of the impeller shaft (401) is coaxially and detachably connected to the impeller head (402).

3. The large-flow aluminum liquid eddy current pump system according to claim 2, wherein: The top end of the impeller shaft (401) is connected to the driving mechanism by a flange plate (4012).

4. The large-flow aluminum liquid eddy current pump system according to claim 3, wherein: The driving mechanism includes a reduction motor (5), a hoisting mechanism (6) and a hanger (7). The hanger (7) is a steel bracket erected above the pump block (1). The hoisting mechanism (6) is arranged on the top beam of the hanger (7) and can walk along the long side direction of the combined block. The hoisting mechanism (6) hoists the reduction motor (5) in and out of the pump chamber (101). The reduction motor (5) is arranged on the bottom horizontal beam seat of the hanger (7), and the vertically downward output shaft of the reduction motor (5) is coaxially connected to the flange plate (4012).

5. The large-flow aluminum liquid eddy current pump system according to claim 1, wherein: A slag baffle is provided on the side of the filling block (3) facing the pump block (1) at the liquid supply hole (301).

6. The large-flow aluminum liquid eddy current pump system according to claim 1, characterized in that: A slag cleaning component is further provided at the bottom of the vortex block (2), and the slag cleaning component removes heavy density particulate impurities in the molten aluminum.

7. The large-flow aluminum liquid eddy current pump system according to claim 6, characterized in that: The slag cleaning component includes a slag discharge shaft (8). A slag discharge groove (203) is provided at the bottom of the vortex block (2). The slag discharge groove (203) is perpendicular to the liquid return port (202) of the vortex block (2). The top of the cross-section of the slag discharge groove (203) is an arc hole, and the slag discharge shaft (8) is rotatably inserted into the arc hole. Two slag sedimentation grooves (801) are symmetrically provided on the outer cylindrical wall of the slag discharge shaft (8), and the slag sedimentation grooves (801) can be located at the bottom of the liquid return port (202).

8. The large-flow aluminum liquid eddy current pump system according to claim 7, characterized in that, The slag cleaning component further includes a clamping plate (9). A rotating head (802) is provided at the outer end of the slag discharge shaft (8). A clamping groove (803) is provided inside the rotating head (802). The semi-circular hole of the clamping plate (9) is clamped on the upper part of the clamping groove (803), and the clamping plate (9) is detachably connected to the outer side wall of the vortex block (2).

9. The large-flow aluminum liquid eddy current pump system according to claim 7, characterized in that, A liquid blocking part (204) is provided on the top wall at the inner end of the liquid return port (202) above the slag sedimentation groove (801), and the liquid blocking part (204) is a convex structure with an arc surface.

10. A working method of a large-flow aluminum liquid eddy current pump system, characterized in that: Use the large-flow molten aluminum vortex pump system according to any one of claims 1 to 9 to perform circulating pumping of molten aluminum on one side of a double-chamber furnace.

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