Aluminum ingot preparation device and preparation method thereof

Abstract

The aluminum ingot preparation device comprises a furnace body, a cleaning assembly and a hole dredging assembly, a smelting cavity and a heat preservation cavity are formed in the furnace body, a feeding opening is formed in the upper portion of the smelting cavity, a slag discharging opening is formed in the side wall of the lower portion of the heat preservation cavity, and a slag discharging door is arranged at the slag discharging opening; an aluminum outlet is formed in the bottom of the heat preservation cavity, and a residue filtering plate is fixedly arranged in the heat preservation cavity. The cleaning assembly is arranged above the residue filtering plate and comprises an air cylinder and a first residue pushing plate, the fixed end of the air cylinder is fixedly arranged on the outer wall of the heat preservation cavity, and the movable end of the air cylinder penetrates through the side wall of the heat preservation cavity and is fixedly connected with the first residue pushing plate; the hole dredging assembly comprises a dredging piece and a driving piece, the dredging piece comprises a connecting rod and hole dredging blocks arranged at the top of the connecting rod at intervals, and the driving piece drives the connecting rod to move in the horizontal direction. According to the device, workers do not need to clean waste after smelting, and the safety of worker operation is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aluminum ingot production, and in particular to an aluminum ingot preparation device and a preparation method thereof. BACKGROUND

[0002] Aluminum and its alloys are second only to steel in the position and role in the national economy, and especially aluminum alloys are the most widely used non-ferrous structural material in industry, which has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. Due to the increasing demand for aluminum alloy welded structural parts, primary aluminum cannot meet the needs of society, so it is particularly important to effectively recycle and utilize various waste materials and used parts in the aluminum processing industry.

[0003] In the process of processing aluminum waste into aluminum ingots, the recovered aluminum waste is first cleaned and dried, and then the aluminum blocks are melted into aluminum liquid using a smelting furnace. The aluminum liquid is injected into the aluminum ingot mold cavity through the ingot casting machine and is cooled and formed into an aluminum ingot. Finally, the formed aluminum ingot is taken out of the mold.

[0004] Because the aluminum waste contains other impurities, after the aluminum blocks are melted into aluminum liquid in the smelting furnace, solid waste will be produced. The smelting furnace currently used discharges the aluminum liquid, and a worker drives a forklift to control a raking shovel to rake out the waste, but the solid waste usually has a high temperature and contains harmful substances, which poses a great safety hazard. SUMMARY

[0005] In order to remove the solid waste in the aluminum melting furnace without workers, the present application provides an aluminum ingot preparation device and a preparation method thereof.

[0006] In a first aspect, the present application provides an aluminum ingot preparation device, which adopts the following technical solution: An aluminum ingot preparation device, comprising a furnace body, a cleaning assembly and a hole dredging assembly, a smelting cavity and a heat preservation cavity are arranged in the furnace body, the smelting cavity is located above the heat preservation cavity, a first electric control valve is arranged between the smelting cavity and the heat preservation cavity, a feeding port is arranged on the upper part of the smelting cavity, a slag discharge port is formed in the side wall of the lower part of the heat preservation cavity, a slag discharge door is arranged at the slag discharge port, an aluminum outlet is arranged at the bottom of the heat preservation cavity, a second electric control valve is arranged at the aluminum outlet, and a slag filtering plate is fixedly arranged in the heat preservation cavity; The cleaning assembly is arranged above the slag filtering plate, and the cleaning assembly comprises a gas cylinder and a first slag pushing plate, the fixed end of the gas cylinder is fixedly arranged on the outer wall of the heat preservation cavity, and the movable end of the gas cylinder penetrates the side wall of the heat preservation cavity and is fixedly connected with the first slag pushing plate; The hole dredging assembly comprises a dredging piece and a driving piece, the dredging piece comprises a connecting rod and a plurality of hole dredging blocks arranged at the top of the connecting rod, and the driving piece drives the connecting rod to move in the horizontal direction.

[0007] By adopting the technical scheme, the recovered aluminum scrap is added into the smelting cavity for heating and smelting, and after the aluminum liquid is obtained, the first electric control valve is opened, the aluminum liquid and the solid waste in the smelting cavity are discharged into the holding cavity, the aluminum liquid falls through the filter holes of the filter plate and is discharged through the aluminum outlet for pouring of aluminum ingot, and the waste is left above the filter plate, after the aluminum liquid is discharged from the aluminum outlet, the slag discharge door is opened, the cylinder is started to drive the first push slag plate to push the solid waste to the direction close to the slag discharge port, so that the solid waste can be discharged from the slag discharge port, and at the same time, the driving member is also started to drive the connecting rod to move, so that the waste in the filter hole of the filter plate can be pushed out, so that the situation that the aluminum liquid cannot pass through the filter plate is avoided, the worker does not need to clean the waste in the furnace body at a close distance, and the safety hidden danger of the worker operation is reduced.

[0008] Optionally, the driving member comprises a motor, a driving rod, a guide rod and a mounting block, the motor is fixedly arranged on the outer wall of the holding cavity, the motor output shaft is arranged through the side wall of the holding cavity and is fixedly connected with the driving rod, the driving rod is rotationally connected in the holding cavity, the guide rod is fixedly arranged in the holding cavity, one end of the mounting block is threadedly connected with the driving rod, and the other end is slidingly connected with the guide rod, a mounting groove is arranged at the top of the mounting block, the connecting rod is embedded in the mounting groove, a guide block is arranged on the inner wall of the holding cavity, and guide inclined surfaces are arranged on the opposite sides of the bottom of the connecting rod.

[0009] By adopting the technical scheme, after the aluminum liquid is discharged from the aluminum outlet, the motor is started, the motor output shaft drives the driving rod to rotate, the mounting block drives the connecting rod to move along the setting direction of the guide rod, when the connecting rod moves to the guide block, the end of the connecting rod moves upward along the guide block, so that the waste blocking in the filter hole of the filter plate can be pushed out, and the possibility of blockage of the filter plate is reduced.

[0010] Optionally, a side of the filter plate close to the slag discharge port is provided with a giving-up groove, and a guide plate is rotationally connected in the giving-up groove.

[0011] By adopting the technical scheme, when the solid waste on the filter plate is treated, the guide plate is rotated to be in an inclined downward state, so that the solid waste can be discharged from the slag discharge port along the direction of the guide plate, and the accumulation of the solid waste at the slag discharge port is reduced.

[0012] Optionally, the cleaning assembly further comprises a second push slag plate and a pushing telescopic rod, the second push slag plate and the pushing telescopic rod are provided with two, the second push slag plate and the pushing telescopic rod are in one-to-one correspondence, the pushing telescopic rod is arranged on the side of the second push slag plate away from the guide plate, and the movable end of the pushing telescopic rod is fixedly connected with the second push slag plate.

[0013] By adopting the technical scheme, when the first pushing slag plate pushes the solid waste to the side close to the slag discharge port, the two pushing telescopic rods are elongated to drive the second pushing slag plate to push the solid waste pushed by the first pushing slag plate to the guide plate, so that the solid waste on the filter slag plate can all fall on the guide plate as much as possible, and then is discharged from the slag discharge port.

[0014] Optionally, a driving gear is coaxially and fixedly connected to the rotating shaft of the guide plate, a rotating shaft is fixedly connected to the inner wall of the heat preservation cavity, a reversing gear is coaxially and rotatably connected to the rotating shaft, the reversing gear is located below the driving gear and is in meshing connection with the driving gear, an incomplete rack is fixedly connected to the side of the mounting block close to the guide plate, the incomplete rack comprises an engaging portion and a disengaging portion, and the reversing gear is in meshing connection with the engaging portion.

[0015] By adopting the technical scheme, when the motor drives the mounting block to move, the mounting block drives the incomplete rack to move synchronously, the engaging portion of the incomplete rack is in meshing connection with the reversing gear, the reversing gear is driven to rotate, the reversing gear drives the driving gear to move, the guide plate is rotated, the solid waste is conveniently discharged from the slag discharge port, and workers need not to control.

[0016] Optionally, a hammer is fixedly arranged on the inner wall of the heat preservation cavity close to the slag discharge port, a fixed rod is fixedly connected to the rotating shaft of the driving gear, a counterweight is fixedly connected to the end of the fixed rod away from the driving gear, and the geometric center line of the fixed rod is perpendicular to the geometric center line of the guide plate.

[0017] By adopting the technical scheme, when the engaging portion of the incomplete rack is in meshing connection with the reversing gear, the guide plate is driven to rotate downward until abutting against the hammer; when the engaging portion is no longer in meshing connection with the reversing gear, the reversing gear is reversely rotated to the initial state under the action of the gravity of the counterweight, the guide plate is in a horizontal state, and the guide plate is repeatedly vibrated to shake off the waste adhered to the top of the guide plate.

[0018] Optionally, baffles are fixedly arranged on the opposite sides of the top of the guide plate.

[0019] By adopting the technical scheme, when the guide plate is in a non-horizontal state, the baffles can prevent the solid waste on the filter slag plate from falling into the aluminum liquid below from the two sides of the guide plate, so that the aluminum liquid is prevented from being polluted.

[0020] In a second aspect, the application provides an aluminum ingot preparation method, which adopts the following technical scheme: An aluminum ingot preparation method comprises the following steps: S1, crushing recycled aluminum waste to remove impurities therein, cleaning and drying the obtained aluminum powder, and then pressing the dried aluminum powder into an aluminum cake; S2, put 40%-60% aluminum cake into the aluminum ingot preparation device, heat to 700-725 DEG C after adding covering agent, make it melt into primary aluminum liquid; S3, the remaining part of the aluminum cake is put into the primary aluminum liquid, and refining agent is added, and the temperature is raised to 730-750 DEG C for melting, and the pouring is carried out after 5-10 min of heat preservation, and the aluminum ingot is obtained.

[0021] By adopting the above technical scheme, the impurities such as iron and sand in the aluminum waste are removed through the magnetic screening or sieving, so as to avoid affecting the quality of the aluminum ingot, and then the aluminum cake is melted twice, so as to improve the recovery rate of aluminum. The preparation method in the application can recycle the aluminum waste, has low cost, and has certain economic and environmental value.

[0022] In summary, the application has at least one of the following beneficial technical effects: 1. In the application, the cleaning assembly and the hole clearing assembly are provided, so that the solid waste remaining above the filter residue plate can be automatically cleaned without manual cleaning by workers, and the solid waste can be discharged from the residue discharge port, reducing the safety hazards of worker operation; 2. In the application, when the motor starts to drive the mounting block to move, the mounting block drives the incomplete rack to move synchronously, when the meshing part of the incomplete rack meshes with the reversing gear, the guide plate is driven to rotate downward until it abuts against the impact hammer; when the meshing part no longer meshes with the reversing gear, the reversing gear reverses to the initial state under the action of the gravity of the counterweight, and the guide plate is in a horizontal state, so that the guide plate vibrates repeatedly to shake off the waste adhered to the top of the guide plate; 3. The preparation method in the application can recycle the aluminum waste, has simple operation, low cost, and certain economic and environmental value. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic view of the aluminum ingot preparation device of the application; Figure 2 is a sectional view of the aluminum ingot preparation device of the application; Figure 3 is a structural schematic view of the hole clearing member of the aluminum ingot preparation device of the application; Figure 4 is a structural schematic view of the mounting block of the aluminum ingot preparation device of the application; Figure 5 is a structural schematic view of the driving member of the aluminum ingot preparation device of the application.

[0024] Explanation of reference signs: 1, furnace body; 11, smelting cavity; 12, heat preservation cavity; 121, aluminum outlet; 122, second electric control valve; 123, guide block; 13, first electric control valve; 14, feeding port; 15, slag discharge port; 151, slag discharge door; 16, extension plate; 2, cleaning assembly; 21, air cylinder; 22, first push slag plate; 23, push telescopic rod; 24, second push slag plate; 3, hole clearing assembly; 31, clearing piece; 311, connecting rod; 312, hole clearing block; 32, driving piece; 321, motor; 322, driving rod; 323, guide rod; 324, mounting block; 3241, mounting groove; 4, dust hood; 5, filter slag plate; 51, guide plate; 511, baffle; 6, driving gear; 61, fixed rod; 62, counterweight; 7, reversing gear; 8, incomplete rack; 9, impact hammer. DETAILED DESCRIPTION

[0025] The following will be described in detail with reference to the accompanying drawings. Figures 1-5 The application is further described in detail.

[0026] Reference will be made to Figure 1 and Figure 2 The aluminum ingot preparation device disclosed in the embodiments of the application comprises a furnace body 1, a cleaning assembly 2 and a hole clearing assembly 3. The furnace body 1 is a square body, and a smelting cavity 11 and a heat preservation cavity 12 are sequentially arranged in the furnace body 1 from top to bottom. A first electric control valve 13 is arranged between the smelting cavity 11 and the heat preservation cavity 12. A feeding port 14 is formed in the top of the furnace body 1. A square slag discharge port 15 is formed in the side wall of the heat preservation cavity 12. A slag discharge door 151 capable of closing the slag discharge port 15 is arranged at the slag discharge port 15. An aluminum outlet 121 is formed in the bottom of the heat preservation cavity 12. A second electric control valve 122 is mounted at the aluminum outlet 121. Molten aluminum can flow out through the aluminum outlet 121. A dust hood 4 is fixedly mounted on the side of the furnace body 1 where the slag discharge door 151 is arranged. The dust hood 4 is arranged above the slag discharge port 15. When the slag discharge door 151 is opened, the dust hood 4 can suck and discharge the discharged ash and harmful gas outside.

[0027] The recovered aluminum waste is added into the smelting cavity 11 for heating and smelting. After the aluminum waste is smelted into molten aluminum, the first electric control valve 13 is opened, and the molten aluminum and solid waste in the smelting cavity 11 are discharged into the heat preservation cavity 12. A square filter slag plate 5 is fixedly mounted in the heat preservation cavity 12. The filter slag plate 5 is arranged in the horizontal direction. The molten aluminum falls through the filter holes of the filter slag plate 5 and is discharged through the aluminum outlet 121 after the second electric control valve 122 is opened, so as to perform pouring of the aluminum ingot. The waste is left above the filter slag plate 5. A clearance groove is formed in the side of the filter slag plate 5 close to the slag discharge port 15. A guide plate 51 is rotatably connected in the clearance groove.

[0028] Reference will be made to Figure 1 and Figure 2The cleaning assembly 2 comprises a cylinder 21, a first pushing slag plate 22, two pushing telescopic rods 23 and two second pushing slag plates 24. The fixed end of the cylinder 21 is fixedly installed on the outer side wall of the heat preservation cavity 12 away from the slag discharge port 15. The moving end of the cylinder 21 penetrates through the side wall of the heat preservation cavity 12 and is fixedly connected with the first pushing slag plate 22. The first pushing slag plate 22 is square-shaped, and the bottom thereof abuts against the top of the slag filtering plate 5. Similarly, the fixed ends of the two pushing telescopic rods 23 are fixedly installed on the outer walls of the opposite sides of the heat preservation cavity 12. The moving ends of the pushing telescopic rods 23 penetrate through the side wall of the heat preservation cavity 12 and are fixedly connected with the second pushing slag plates 24. The second pushing slag plates 24 are also square-shaped, and the bottoms thereof abut against the top of the slag filtering plate 5. The two second pushing slag plates 24 are oppositely arranged, and the two pushing telescopic rods 23 and the two second pushing slag plates 24 are in one-to-one correspondence.

[0029] After the filtered molten aluminum is discharged from the aluminum outlet 121, the cylinder 21 is elongated to drive the first pushing slag plate 22 to push the solid waste towards the direction close to the slag discharge port 15. Then, the two pushing telescopic rods 23 are elongated to drive the second pushing slag plates 24 to push the solid waste pushed by the first pushing slag plate 22 onto the guide plate 51, so that the waste on the slag filtering plate 5 can all fall onto the guide plate 51, thereby being discharged from the slag discharge port 15.

[0030] With reference to Figures 2 to 4 The hole dredging assembly 3 comprises a hole dredging piece 31 and a driving piece 32. The hole dredging piece 31 comprises a connecting rod 311 and a plurality of hole dredging blocks 312 which are arranged at the top of the connecting rod 311 in a spaced manner. The opposite inner walls of the heat preservation cavity 12 are provided with guide blocks 123 in a spaced manner. The opposite two side walls at the bottom of the connecting rod 311 are respectively provided with guide inclined surfaces which are used in cooperation with the guide blocks 123. The opposite two side walls at the top of the hole dredging block 312 are both arranged to be inclined downward from the side close to the geometric center line of the hole dredging block 312 to the side away from the geometric center line of the hole dredging block 312.

[0031] With reference to Figures 2 to 5 The driving piece 32 comprises a motor 321, a driving rod 322, a guide rod 323 and a mounting block 324. The motor 321 is fixedly installed on the outer side wall of the heat preservation cavity 12 away from the slag discharge port 15 and is located below the cylinder 21. The driving rod 322 is rotationally connected in the heat preservation cavity 12. The output shaft of the motor 321 penetrates through the side wall of the heat preservation cavity 12 and is fixedly connected with the driving rod 322. The guide rod 323 is fixedly installed in the heat preservation cavity 12. One end of the mounting block 324 is threadedly connected with the driving rod 322, and the other end thereof is slidingly connected with the guide rod 323. The top of the mounting block 324 is provided with a mounting groove 3241, and the connecting rod 311 is embedded in the mounting groove 3241. It should be noted that the length of the connecting rod 311 is greater than the length of the mounting block 324, that is, the two ends of the connecting rod 311 both protrude out of the mounting groove 3241.

[0032] After the molten aluminum is discharged from the aluminum outlet 121, the motor 321 is started, the output shaft of the motor 321 drives the driving rod 322 to rotate, and drives the mounting block 324 to drive the connecting rod 311 to move along the setting direction of the guide rod 323, when moving to the guide block 123, the end of the connecting rod 311 will move upward along the guide block 123, so that the perforated block 312 can enter the filter hole corresponding to the filter plate 5, and the solid waste blocked therein is ejected.

[0033] With reference to Figure 1 and 5 , the driving gear 6 is coaxially fixedly connected to the rotating shaft of the guide plate 51, the rotating shaft is fixedly installed in the heat preservation cavity 12, the reversing gear 7 is coaxially and rotatably connected to the rotating shaft, the reversing gear 7 is located below the driving gear 6 and is in meshing connection with the driving gear 6. The incomplete rack 8 is welded on the side wall of the mounting block 324 close to the slag outlet 15, the incomplete rack 8 includes an engagement portion and a disengagement portion, and a plurality of engagement portions and disengagement portions are provided in the embodiment, and the engagement portion is in meshing connection with the reversing gear 7. The impact hammer 9 is fixedly installed on the inner wall of the heat preservation cavity 12 close to the slag outlet 15, the fixed rod 61 is fixedly connected to the rotating shaft of the driving gear 6, and the counterweight 62 is integrally formed at one end of the fixed rod 61 away from the driving gear 6. It should be noted that the geometric center line of the fixed rod 61 is perpendicular to the geometric center line of the guide plate 51.

[0034] When the motor 321 is started to drive the mounting block 324 to move, the mounting block 324 drives the incomplete rack 8 to move synchronously, when the engagement portion of the incomplete rack 8 is engaged with the reversing gear 7, the guide plate 51 is driven to rotate downward until abutting against the impact hammer 9; when the engagement portion is no longer engaged with the reversing gear 7, the reversing gear 7 reversely rotates to the initial state under the action of the gravity of the counterweight 62, and the guide plate 51 is in a horizontal state, and the guide plate 51 is vibrated repeatedly to shake off the waste adhered to the top of the guide plate 51.

[0035] With reference to Figure 2 and Figure 5 , in order to block the solid waste from falling into the aluminum outlet 121 below when the guide plate 51 is rotated to be inclined downward, the extension plate 16 is obliquely welded on the inner wall of the heat preservation cavity 12 and can abut against the extension plate 16 when the guide plate 51 is rotated downward. In addition, the guide plate 51 is integrally formed with the baffle 511 on the opposite sides of the top of the guide plate 51.

[0036] In the embodiment, the PLC controller is used to control each component.

[0037] The implementation principle of the name of the embodiment of the application is that the recycled aluminum waste is added into the smelting cavity 11 for heating and smelting, after the aluminum liquid is obtained, the first electric control valve 13 is opened, the aluminum liquid and the solid waste in the smelting cavity 11 are discharged into the heat preservation cavity 12, the aluminum liquid falls through the filter holes of the filter residue plate 5, and the solid waste is left above the filter residue plate 5, at this time, the second electric control valve 122 is opened, and the aluminum liquid is discharged from the aluminum outlet 121 and used for pouring of the aluminum ingot.

[0038] When the aluminum liquid is discharged, the first electric control valve 13 and the second electric control valve 122 are closed in turn, at this time, the residue discharge door 151 is opened, the motor 321 is started first, the output shaft of the motor 321 drives the reciprocating screw rod to rotate, drives the mounting block 324 to drive the connecting rod 311 to move along the setting direction of the guide rod 323, when the connecting rod 311 moves to the guide block 123, the connecting rod 311 moves upward along the guide block 123, so that the perforated block 312 can enter the filter hole corresponding to the filter residue plate 5, and the solid waste blocked in the filter hole is pushed out. After the motor 321 is started for a certain time, the cylinder 21 is started, the first push residue plate 22 is driven to push the solid waste to one side close to the residue discharge port 15, then the two push telescopic rods 23 are elongated, the second push residue plate 24 is driven to push the solid waste pushed by the first push residue plate 22 to the guide plate 51. At the same time, the incomplete rack 8 moves synchronously with the mounting block 324, drives the guide plate 51 to switch between the horizontal state and the inclined downward state, when the guide plate 51 rotates downward to the inclined downward state, the guide plate 51 touches the impact hammer 9, and the guide plate 51 vibrates through repeated impact, so that the waste adhered to the top of the guide plate 51 is shaken off, so that the solid waste is discharged from the residue discharge port 15 as much as possible. The aluminum ingot preparation device in the application does not need workers to manually clean the residue, and greatly improves the operation safety.

[0039] In addition, an aluminum ingot preparation method is also disclosed in the application, and specifically includes the following steps: S1, after the recycled aluminum waste is crushed, the iron impurities in the aluminum waste are removed by using a permanent magnet, and the sand in the aluminum waste is sieved out by using a sieve, the obtained aluminum powder is washed and dried, and then the dried aluminum powder is pressed into an aluminum cake with a thickness of 3cm; S2, 40%-60% of the aluminum cake is put into the aluminum ingot preparation device, a covering agent is added, and heating is performed until the temperature reaches 725℃, so that the aluminum cake is melted into a primary aluminum liquid; S3, the remaining part of the aluminum cake is put into the primary aluminum liquid, a refining agent is added, and heating is performed until the temperature reaches 750℃, so that the aluminum cake is melted, and after 5-10min of heat preservation, pouring is performed to obtain an aluminum ingot.

[0040] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. An aluminum ingot preparation apparatus, characterized in that: The furnace includes a furnace body (1), a cleaning assembly (2), and a perforation assembly (3). The furnace body (1) is provided with a melting chamber (11) and a heat preservation chamber (12). The melting chamber (11) is located above the heat preservation chamber (12). A first electrically controlled valve (13) is provided between the melting chamber (11) and the heat preservation chamber (12). A feeding port (14) is provided at the upper part of the melting chamber (11). A slag discharge port (15) is provided on the lower side wall of the heat preservation chamber (12). A slag discharge door (151) is provided at the slag discharge port (15). An aluminum outlet (121) is provided at the bottom of the heat preservation chamber (12). A second electrically controlled valve (122) is provided at the aluminum outlet (121). A filter plate (5) is fixedly provided inside the heat preservation chamber (12). The cleaning component (2) is disposed above the filter plate (5). The cleaning component (2) includes a cylinder (21) and a first slag pusher (22). The fixed end of the cylinder (21) is fixed on the outer wall of the heat insulation cavity (12), and the movable end of the cylinder (21) passes through the side wall of the heat insulation cavity (12) and is fixedly connected to the first slag pusher (22). The pore-dredging assembly (3) includes a pore-dredging component (31) and a driving component (32). The pore-dredging component (31) includes a connecting rod (311) and a plurality of pore-dredging blocks (312) spaced apart at the top of the connecting rod (311). The driving component (32) drives the connecting rod (311) to move in the horizontal direction.

2. The aluminum ingot preparation apparatus according to claim 1, characterized in that: The driving component (32) includes a motor (321), a driving rod (322), a guide rod (323), and a mounting block (324). The motor (321) is fixedly mounted on the outer wall of the insulation cavity (12). The output shaft of the motor (321) passes through the side wall of the insulation cavity (12) and is fixedly connected to the driving rod (322). The driving rod (322) is rotatably connected inside the insulation cavity (12). The guide rod (323) is fixedly mounted on the insulation cavity (12). Inside the cavity (12), one end of the mounting block (324) is threaded to the drive rod (322), and the other end is slidably connected to the guide rod (323). The top of the mounting block (324) is provided with a mounting groove (3241), and the connecting rod (311) is embedded in the mounting groove (3241). The inner wall of the insulation cavity (12) is provided with a guide block (123), and the bottom sides of the connecting rod (311) are respectively provided with guide slopes.

3. The aluminum ingot preparation apparatus according to claim 2, characterized in that: The filter plate (5) has a clearance groove on the side near the discharge port (15), and a guide plate (51) is rotatably connected in the clearance groove.

4. The aluminum ingot preparation apparatus according to claim 3, characterized in that: The cleaning component (2) further includes a second slag pusher plate (24) and a pusher telescopic rod (23). There are two of each of the second slag pusher plate (24) and the pusher telescopic rod (23). The second slag pusher plate (24) and the pusher telescopic rod (23) correspond one to one. The pusher telescopic rod (23) is located on the side of the second slag pusher plate (24) away from the guide plate (51). The movable end of the pusher telescopic rod (23) is fixedly connected to the second slag pusher plate (24).

5. The aluminum ingot preparation apparatus according to claim 3, characterized in that: A drive gear (6) is coaxially fixedly connected to the rotating shaft of the guide plate (51). A rotating shaft is fixedly connected to the inner wall of the insulation cavity (12). A reversing gear (7) is coaxially rotatably connected to the rotating shaft. The reversing gear (7) is located below the drive gear (6) and meshes with the drive gear (6). An incomplete rack (8) is fixedly connected to the side of the mounting block (324) near the guide plate (51). The incomplete rack (8) includes a meshing part and a disengaging part. The reversing gear (7) meshes with the meshing part.

6. The aluminum ingot preparation apparatus according to claim 5, characterized in that: An impact hammer (9) is fixedly installed on the inner wall of the insulation cavity (12) near the slag discharge port (15). A fixed rod (61) is fixedly connected to the rotating shaft of the drive gear (6). A counterweight (62) is fixedly connected to one end of the fixed rod (61) away from the drive gear (6). The geometric center line of the fixed rod (61) is perpendicular to the geometric center line of the guide plate (51).

7. The aluminum ingot preparation apparatus according to claim 3, characterized in that: Baffles (511) are fixedly installed on opposite sides of the top of the guide plate (51).

8. A method for preparing aluminum ingots, characterized in that: Includes the following steps: S1. After crushing the recycled aluminum waste to remove impurities, the obtained aluminum powder is cleaned and dried, and then the dried aluminum powder is pressed into aluminum cakes. S2. Add 40%-60% of aluminum cakes into the aluminum ingot preparation device, add a covering agent, and heat to 700-725℃ to melt them into primary aluminum liquid. S3. Add the remaining aluminum cake to the primary aluminum liquid, add refining agent, heat to 730-750℃ to melt, hold for 5-10 minutes and then pour to obtain aluminum ingots.

Images