Aluminum smelting device and method for vacuum ladle suction aluminum tube blockage

Abstract

The present invention belongs to the technical field of aluminum electrolysis production, and specifically relates to an aluminum smelting device and method for clogging an aluminum suction tube of a vacuum ladle. The device comprises a slag scraper, and two left-right symmetrical connecting ears are arranged at the front end of a telescopic arm on the slag scraper, a hanging seat is arranged between the two connecting ears, and the hanging seat is connected to the connecting ears through a pin shaft, and two left-right symmetrical hanging plates are arranged on the lower surface of the hanging seat, and a card slot is opened at the lower part of the two hanging plates, and a lock buckle is hinged between the two hanging plates, and a steel wire rope is connected to the front end of the upper part of the lock buckle, and the other end of the steel wire rope bypasses a fixed pulley block and extends to the driving cabin of the slag scraper, and the fixed pulley block is installed on the telescopic arm through the hanging ear, and the lock buckle is used to lock the lifting rod in the card slot, and the two ends of the lifting rod are respectively fixed on different fixed plates, and the fixed plate is connected to the aluminum suction tube rack. The present invention utilizes the high-temperature aluminum liquid in the mixing furnace to melt the solidified aluminum of the aluminum suction tube, so as to realize the aluminum smelting that blocks the aluminum suction tube.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum electrolysis production, and particularly relates to an aluminum smelting device and method for vacuum ladle suction used to absorb aluminum tube blockage. Background Art

[0002] During the aluminum electrolysis process of vacuum ladle tapping, molten aluminum can solidify and clog within the aluminum suction tube due to manual labor and equipment issues. Some manufacturers scrap clogged aluminum suction tubes, increasing spare parts and repair costs. Others, taking advantage of the different melting points of aluminum and steel, place the suction tube inside the electrolytic cell's aluminum outlet to melt the solidified aluminum. Due to the tube's length, the melting process must be repeated in two steps, which takes a long time and can cause the tube to melt, resulting in a decrease in the quality of the aluminum liquid in the electrolytic cell. Furthermore, the melting process requires a certain amount of heat, which can affect the stable operation of the electrolytic cell. Furthermore, when the aluminum suction tube is lifted from the cell, it is exposed to high temperatures, posing a significant safety hazard of burns. Some manufacturers resort to manufacturing or purchasing melting equipment to melt the aluminum inside the tube, but this carries significant procurement and production costs, consumes significant energy during the melting process, and is relatively uneconomical. Summary of the Invention

[0003] In view of the above problems, the present invention provides an aluminum smelting device and method for vacuum ladle aluminum suction tube blockage.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] A vacuum lifting ladle for absorbing aluminum tube blockage and aluminum smelting device, including a slag scraper, two symmetrical connecting ears are provided at the front end of the telescopic arm of the slag scraper, a hanging seat is provided between the two connecting ears, the hanging seat is connected to the connecting ears through a pin shaft, and two symmetrical hanging plates are provided on the lower surface of the hanging seat, a card slot is provided at the lower part of the two hanging plates, and a lock buckle is hinged between the two hanging plates, a steel wire rope is connected to the front end of the upper part of the lock buckle, the other end of the steel wire rope passes around the fixed pulley group and extends to the driving cabin of the slag scraper, the fixed pulley group is installed on the telescopic arm through the lifting ear, and the lock buckle is used to lock the lifting rod in the card slot, and the two ends of the lifting rod are respectively fixed on different fixed plates, and the fixed plate is connected to the aluminum tube absorption rack.

[0006] Furthermore, a spring is connected to the lower portion of the rear end surface of the lock catch, and the other end of the spring is connected to an extension plate, which is fixedly arranged on the hanging plate.

[0007] Furthermore, the front end surface of the upper portion of the lock buckle is arc-shaped.

[0008] Furthermore, a positioning key is provided on the pin shaft, and the positioning key is used to prevent relative rotation between the connecting ear, the hanger and the pin shaft.

[0009] Furthermore, the aluminum pipe suction rack includes two vertical plates arranged symmetrically on the left and right, and the two vertical plates are fixedly connected by a connecting rod. Pull rods are provided at the front and rear ends of the upper surface of the vertical plates. The upper parts of the four pull rods are fixedly connected to the upper plate, and the fixed plate is fixed on the upper plate.

[0010] Furthermore, an arc-shaped groove for placing the aluminum suction tube is provided on the vertical plate.

[0011] Furthermore, the lower end surface of the connecting rod is higher than the lower end surface of the vertical plate, so that the aluminum pipe suction rack can be transported by a forklift.

[0012] Furthermore, the aluminum pipe suction rack is made of steel.

[0013] A method for removing aluminum from a blocked aluminum tube by vacuum ladle suction, comprising the following steps:

[0014] S1, disassemble the blocked aluminum suction pipe into sections and place them on the aluminum suction pipe rack;

[0015] S2: Use a slag scraper to lift the aluminum tube rack into the aluminum liquid in the casting mixing furnace. Manually pull the wire rope to drive the lock to rotate, thereby unhooking the aluminum tube rack. Then move the slag scraper out of the mixing furnace to prevent the high-temperature aluminum liquid from damaging the slag scraper at the front of the slag scraper.

[0016] S3, according to the different melting points of steel and aluminum, the high-temperature aluminum liquid in the mixing furnace is used to melt the solidified aluminum in the aluminum suction tube;

[0017] S4, after the solidified aluminum in the aluminum suction tube is melted, the aluminum suction tube rack is lifted to the edge of the mixing furnace door by a slag skimmer, so that the aluminum suction tube and the aluminum suction tube rack are cooled slowly to avoid stress deformation damage to the aluminum suction tube rack and the aluminum suction tube caused by rapid cooling. At the same time, a steel chisel is used to clean the residual aluminum liquid in the aluminum suction tube;

[0018] S5, after the aluminum tube rack and the aluminum tube are cooled to the point where the surface is no longer red, they are hung outside the mixing furnace for normal cooling;

[0019] S6, reassemble the cleaned and cooled aluminum suction tube and put it into operation.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] The present invention uses a special aluminum pipe suction rack and a connector and a lock installed at the front end of a telescopic arm. The aluminum pipe suction rack is lifted and transported to the aluminum liquid in a casting mixing furnace by a slag skimmer. According to the different melting points of aluminum and steel, the high-temperature aluminum liquid (about 900°C) in the mixing furnace is used to melt the solidified aluminum in the aluminum pipe. The temperature of the aluminum liquid after cooling is more suitable for the casting process requirements (the suitable casting temperature is about 740°C).

[0022] The lock buckle of the present invention has the functions of automatic hooking and self-locking, which ensures the safety of operation during the lifting process;

[0023] The invention has safe and reliable operation, good energy-saving effect, strong economical practicality, and great promotion value and application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 This is a structural diagram of the non-slag skimmer vehicle of the present invention;

[0026] Figure 3 This is a schematic diagram of the installation of the lock buckle of the present invention;

[0027] Figure 4 This is a schematic diagram of the installation of the lock buckle of the present invention;

[0028] Figure 5 Schematic diagram of the structure of the lock buckle of the present invention;

[0029] Figure 6 This is a schematic structural diagram of the aluminum tube suction rack of the present invention;

[0030] In the figure, the scraper is 1, the telescopic arm is 2, the connecting ear is 3, the hanging seat is 4, the pin is 5, the hanging plate is 6, the slot is 7, the lock is 8, the wire rope is 9, the fixed pulley is 10, the lifting rod is 11, the fixing plate is 12, the spring is 13, the extension plate is 14, the positioning key is 15, the vertical plate is 16, the connecting rod is 17, the pull rod is 18, the upper plate is 19, and the arc groove is 20. DETAILED DESCRIPTION

[0031] In order to further illustrate the technical solution of the present invention, the present invention is further described below through examples.

[0032] like Figures 1 to 6As shown, a vacuum ladle sucking aluminum tube blockage aluminum device includes a scraper 1, and the front end of the telescopic arm 2 on the scraper 1 is provided with two left-right symmetrical connecting ears 3, a hanging seat 4 is provided between the two connecting ears 3, and the hanging seat 4 is connected to the connecting ears 3 through a pin shaft 5, and a positioning key 15 is provided on the pin shaft 5. The positioning key 15 prevents relative rotation between the connecting ears 3, the hanging seat 4 and the pin shaft 5, and two left-right symmetrical hanging plates 6 are provided on the lower surface of the hanging seat 4, and a card slot 7 is provided at the lower part of the two hanging plates 6. A lock buckle 8 is also hinged between the two hanging plates 6. The front end surface of the upper part of the lock buckle 8 is arc-shaped, and a steel wire rope 9 is connected to the front end of the upper part of the lock buckle 8. The other end of the steel wire rope 9 passes over the fixed pulley block 10 and extends to the driving cabin of the scraper 1. The fixed pulley block 10 is installed on the telescopic arm 2 through a lifting ear. A spring 13 is connected to the lower part of the rear end surface of the lock buckle 8. The other end of the spring 13 is connected to the extension plate 14, and the extension plate 14 is fixedly provided on the hanging plate 6. The lock buckle 8 is used to lock the lifting rod 11 in the card slot 7. The two ends of the lifting rod 11 are respectively fixed on different fixing plates 12, and the fixing plate 12 is connected to the aluminum pipe suction rack;

[0033] The aluminum pipe rack is made of steel and includes two vertical plates 16 symmetrically arranged on the left and right. An arc-shaped groove 20 for placing the aluminum pipe is provided on the vertical plate 16. The two vertical plates 16 are fixedly connected by a connecting rod 17. The lower end surface of the connecting rod 17 is higher than the lower end surface of the vertical plate 16 to facilitate the use of a forklift to transport the aluminum pipe rack. Pull rods 18 are provided at the front and rear ends of the upper surface of the vertical plate 16. The upper parts of the four pull rods 18 are fixedly connected to the upper plate 19. The fixing plate 12 is fixed on the upper plate 19.

[0034] A method for removing aluminum from a blocked aluminum tube by vacuum ladle suction, comprising the following steps:

[0035] S1, disassemble the blocked aluminum suction pipe into sections and place them on the aluminum suction pipe rack;

[0036] S2, use the slag scraper 1 to lift the aluminum tube rack into the aluminum liquid in the casting mixing furnace, manually pull the wire rope 9 to drive the lock 8 to rotate, so that the aluminum tube rack is unhooked, and then the slag scraper 1 is moved out of the mixing furnace to prevent the high-temperature aluminum liquid from damaging the slag scraper at the front end of the slag scraper;

[0037] S3, based on the different melting points of steel and aluminum, the high temperature of the aluminum liquid in the mixing furnace is used to melt the solidified aluminum in the aluminum suction tube;

[0038] S4, after the solidified aluminum in the aluminum suction tube is melted, the aluminum suction tube rack is lifted to the edge of the mixing furnace door by using the slag skimmer 1, so that the aluminum suction tube and the aluminum suction tube rack are cooled slowly to avoid stress deformation damage to the aluminum suction tube rack and the aluminum suction tube caused by rapid cooling. At the same time, the residual aluminum liquid in the aluminum suction tube is cleaned with a steel chisel;

[0039] S5, after the aluminum tube rack and the aluminum tube are cooled to the point where the surface is no longer red, they are hung outside the mixing furnace for normal cooling;

[0040] S6, reassemble the cleaned and cooled aluminum suction tube and put it into operation.

[0041] The foregoing shows and describes the principal features and advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations that come within the meaning and range of equivalents of the claims are intended to be embraced therein.

[0042] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A vacuum ladle aluminum suction tube blockage aluminum smelting device, comprising a slag scraper (1), characterized in that: Two symmetrical connecting ears (3) are arranged at the front end of the telescopic arm (2) on the scraper (1), a hanging seat (4) is arranged between the two connecting ears (3), the hanging seat (4) is connected to the connecting ears (3) through a pin shaft (5), two symmetrical hanging plates (6) are arranged on the lower surface of the hanging seat (4), a card slot (7) is opened at the lower part of the two hanging plates (6), a lock buckle (8) is hinged between the two hanging plates (6), and a steel rod is connected to the front end of the upper part of the lock buckle (8). The wire rope (9) is manually pulled to drive the lock buckle (8) to rotate, thereby unhooking the aluminum pipe rack. The other end of the wire rope (9) passes over the fixed pulley block (10) and extends into the driving cabin of the slag scraper (1). The fixed pulley block (10) is installed on the telescopic arm (2) through the lifting lug. The lock buckle (8) is used to lock the lifting rod (11) in the slot (7). The two ends of the lifting rod (11) are respectively fixed on different fixing plates (12). The fixing plates (12) are connected to the aluminum pipe rack.

2. The aluminum dissolving device for blocking the aluminum tube of a vacuum ladle according to claim 1 is characterized in that: A spring (13) is connected to the lower part of the rear end surface of the lock buckle (8), and the other end of the spring (13) is connected to an extension plate (14), and the extension plate (14) is fixedly arranged on the hanging plate (6).

3. The aluminum dissolving device for blocking aluminum tube of vacuum ladle according to claim 1, characterized in that: The front end surface of the upper part of the lock buckle (8) is arc-shaped.

4. The aluminum dissolving device for blocking the aluminum tube of a vacuum ladle according to claim 1 is characterized in that: A positioning key (15) is provided on the pin shaft (5), and the positioning key (15) prevents relative rotation between the connecting ear (3), the hanging seat (4) and the pin shaft (5).

5. The aluminum dissolving device for blocking the aluminum tube of a vacuum ladle according to claim 1 is characterized in that: The aluminum tube suction rack comprises two vertical plates (16) arranged symmetrically on the left and right, the two vertical plates (16) are fixedly connected by a connecting rod (17), and pull rods (18) are arranged at the front and rear ends of the upper surfaces of the vertical plates (16), and the upper parts of the four pull rods (18) are fixedly connected to the upper plate (19), and the fixed plate (12) is fixed on the upper plate (19).

6. The aluminum dissolving device for blocking the aluminum tube of a vacuum ladle according to claim 5, characterized in that: An arc-shaped groove (20) for placing an aluminum suction tube is provided on the vertical plate (16).

7. The aluminum dissolving device for blocking aluminum tube of vacuum ladle according to claim 5, characterized in that: The lower end surface of the connecting rod (17) is higher than the lower end surface of the vertical plate (16), so as to facilitate forklift transportation of the aluminum pipe suction rack.

8. The aluminum dissolving device for blocking aluminum tube of vacuum ladle according to claim 1, characterized in that: The aluminum pipe frame is made of steel.

9. A method for aluminum removal by vacuum ladle aluminum pipe blockage using the device of claim 1, characterized in that: The following steps are involved: S1, disassemble the blocked aluminum suction pipe into sections and place them on the aluminum suction pipe rack; S2, using a slag scraper (1) to lift the aluminum tube rack into the aluminum liquid of the casting mixing furnace, manually pulling the steel wire rope (9) to drive the lock buckle (8) to rotate, thereby unhooking the aluminum tube rack, and then moving the slag scraper (1) out of the mixing furnace to prevent the high-temperature aluminum liquid from damaging the slag scraper at the front end of the slag scraper; S3, according to the different melting points of steel and aluminum, the high-temperature aluminum liquid in the mixing furnace is used to melt the solidified aluminum in the aluminum suction tube; S4, after the solidified aluminum in the aluminum absorption tube is melted, the aluminum absorption tube rack is lifted to the edge of the mixing furnace door by using a slag scraper (1), so that the aluminum absorption tube and the aluminum absorption tube rack are cooled slowly to avoid stress deformation damage to the aluminum absorption tube rack and the aluminum absorption tube caused by rapid cooling, and at the same time, a steel chisel is used to clean the residual aluminum liquid in the aluminum absorption tube; S5, after the aluminum tube rack and the aluminum tube are cooled down to the point where the surface is no longer red, they are hung outside the mixing furnace for normal cooling; S6, reassemble the cleaned and cooled aluminum suction tube and put it into operation.

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