An alumina feeding system

Abstract

This utility model relates to the field of material conveying technology, and in particular to an alumina feeding system. The alumina feeding system includes: an electrolytic cell, a support platform, a main chute for a dense phase system, control equipment, an air lift, and a small alumina silo. The main chute for the dense phase system is placed on the support platform. The opening end of the main chute is connected to the control equipment; the input end of the main chute is connected to the electrolytic cell via a first air supply pipe; the output end of the main chute is connected to the air lift via a first material pipe; the air lift is connected to the small alumina silo via a second material pipe; the air lift is equipped with a second air supply pipe, which is connected to compressed air via a compressed air pipe. This utility model's technical solution ensures the supply of materials for adding electrolytic insulation material while avoiding safety hazards caused by alumina tank trucks entering the workshop for unloading.

Description

Technical Field

[0001] This utility model relates to the field of material conveying technology, and in particular to an alumina feeding system. Background Technology

[0002] In the electrolytic aluminum production process, the anode insulation material of the electrolytic cell is transported by alumina tank trucks using compressed air through a dense phase conveying system to a small steel silo outside the plant. When unloading, the tank trucks must be parked within the electrolytic corridor, posing a significant safety hazard when the tank trucks enter and exit the plant. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides an alumina feeding system that ensures the supply of materials for electrolytic insulation while avoiding safety hazards caused by alumina tank trucks entering the workshop for unloading.

[0004] This utility model provides an alumina feeding system, including:

[0005] Electrolytic cell, support platform, main chute of ultra-dense phase system, control equipment, air lift and alumina silo;

[0006] The main sluice of the ultra-dense phase system is placed on the support platform; the opening end of the main sluice of the ultra-dense phase system is connected to the control equipment, the input end of the main sluice of the ultra-dense phase system is connected to the electrolytic cell through the first gas supply pipeline, the output end of the main sluice of the ultra-dense phase system is connected to the air elevator through the first material pipeline, and the air elevator is connected to the alumina steel silo through the second material pipeline.

[0007] The air lift is equipped with a second air supply pipe, which is connected to compressed air through a compressed air pipe.

[0008] The main chute of the ultra-dense phase system is located above the air lift, and there is a height difference between the main chute of the ultra-dense phase system and the air lift.

[0009] In some embodiments, the alumina feeding system further includes:

[0010] A shut-off valve is installed on the compressed air pipeline.

[0011] In some embodiments, the alumina feeding system further includes:

[0012] A pneumatic butterfly valve is installed on the compressed air pipeline, and the pneumatic butterfly valve is located between the shut-off valve and the air lift; the opening end of the pneumatic butterfly valve is connected to the control device.

[0013] In some embodiments, the alumina feeding system further includes:

[0014] The supporting structure, wherein the alumina steel silo is located at the top of the supporting structure.

[0015] In some embodiments, the support structure includes a plurality of columns and a plurality of crossbeams disposed between two adjacent columns.

[0016] In some embodiments, the alumina feeding system further includes:

[0017] A compressed air tank, which is connected to the compressed air pipeline.

[0018] In some embodiments, the alumina feeding system further includes:

[0019] The electrolytic cell is located within the factory building.

[0020] In some embodiments, the plant includes a building panel, and the support platform is located on the building panel.

[0021] The technical solution provided by this utility model embodiment has the following advantages compared with the prior art:

[0022] The alumina feeding system provided in this embodiment controls the start-up of the main chute of the ultra-dense phase system via control equipment. Since the main chute is located above the air lift, and there is a height difference between them, the material in the main chute can enter the air lift on the ground through a DN50 pipe. Furthermore, compressed air provides power to the air lift, allowing the material to be lifted into the alumina silo. This solves the problem in related technologies where alumina tank trucks are used to transport alumina to the silo via compressed air and dense phase transport. This method requires the tank trucks to be parked in the electrolysis corridor during unloading, posing significant safety hazards when the tank trucks enter and exit. Therefore, while ensuring the supply of materials for electrolytic insulation material addition, this system avoids the safety hazards associated with alumina tank trucks entering the workshop for unloading, and also prevents unexpected events during the unloading process. Attached Figure Description

[0023] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of an alumina feeding system provided in an embodiment of the present invention;

[0026] Figure 2 This is a partial structural block diagram of an alumina feeding system provided in an embodiment of the present utility model.

[0027] Explanation of reference numerals in the attached drawings: 1. Second material pipeline; 2. First material pipeline; 3. Main chute of the ultra-dense phase system; 4. First air supply pipeline; 5. Supporting platform; 6. Roof panel; 7. Air lift; 8. Alumina steel silo; 9. Support structure; 10. Shut-off valve; 11. Pneumatic butterfly valve; 12. Second air supply pipeline; 13. Column; 14. Beam; 15. Control equipment; 16. Electrolytic cell; 17. Plant; 18. Compressed air tank; 19. Compressed air pipeline. Detailed Implementation

[0028] To better understand the above-mentioned objectives, features, and advantages of this utility model, the solution of this utility model will be further described below. It should be noted that, unless otherwise specified, the embodiments of this utility model and the features thereof can be combined with each other.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of the present invention, and not all embodiments.

[0030] The alumina feeding system provided in this embodiment controls the start-up of the main chute of the ultra-dense phase system via control equipment. Since the main chute is located above the air lift, and there is a height difference between them, the material in the main chute can enter the air lift on the ground through a DN50 pipe. Furthermore, compressed air provides power to the air lift, allowing the material to be lifted into the alumina silo. This solves the problem in related technologies where alumina tank trucks are used to transport alumina to the silo via compressed air and dense phase transport. This method requires the tank trucks to be parked in the electrolysis corridor during unloading, posing significant safety hazards when the tank trucks enter and exit. Therefore, while ensuring the supply of materials for electrolytic insulation material addition, this system avoids the safety hazards associated with alumina tank trucks entering the workshop for unloading, and also prevents unexpected events during the unloading process.

[0031] The alumina feeding system provided in the embodiments of this utility model will be described exemplarily below with reference to the accompanying drawings.

[0032] Figure 1 This is a schematic diagram of an alumina feeding system provided in an embodiment of the present invention. Figure 2 This is a partial structural block diagram of an alumina feeding system provided in an embodiment of the present utility model. Figure 1 and Figure 2 As shown, the alumina feeding system includes: an electrolytic cell 16, a support platform 5, a main chute for the ultra-dense phase system 3, control equipment 15, an air lift 7, and an alumina silo 8;

[0033] The main sluice 3 of the ultra-dense phase system is placed on the support platform 5; the opening end A of the main sluice 3 of the ultra-dense phase system is connected to the control device 15; the input end of the main sluice 3 of the ultra-dense phase system is connected to the electrolytic cell 16 through the first gas supply pipe 4; the output end of the main sluice 3 of the ultra-dense phase system is connected to the air elevator 7 through the first material pipe 2; and the air elevator 7 is connected to the alumina steel silo 8 through the second material pipe 1.

[0034] The air lift 7 is provided with a second air supply pipe 12, which is connected to compressed air through a compressed air pipe 19. The main chute 3 of the ultra-dense phase system is located above the air lift 7, and there is a height difference between the main chute 3 of the ultra-dense phase system and the air lift 7.

[0035] Specifically, when feeding the electrolytic cell 16, the main chute 3 of the ultra-dense phase system can be filled with fluorinated alumina. A DN50 pipe can be installed at the output end of the main chute 3 as a first air supply pipe 4, directly connecting to the air lift 7 on the ground. The power source for the air lift 7 is compressed air supplied through the compressed air pipe 18. The second air supply pipe 12 of the air lift 7 is connected to the compressed air pipe 19. When the control device 15 controls the start of the main chute 3 of the ultra-dense phase system, the material in the main chute 3 enters the air lift 7 on the ground through the DN50 pipe. Compressed air supplies the air lift 7, lifting the fluorinated alumina from the main chute 3 into the alumina silo 8 via the first air supply pipe 4. This means that each time the electrolytic cell 16 is fed, a portion of the fluorinated alumina is replenished to the alumina silo 8, ensuring the supply of electrolytic insulation material.

[0036] Therefore, the alumina feeding system provided in this embodiment of the invention controls the start of the main chute 3 of the dense phase system via the control device 15. Since the main chute 3 of the dense phase system is located above the air elevator 7, and there is a height difference between the main chute 3 and the air elevator 7, the material in the main chute 3 can enter the air elevator 7 on the ground through a DN50 pipe. Furthermore, compressed air provides power to the air elevator 7, allowing the material to be lifted into the alumina silo 8. This solves the problem in related technologies where alumina tank trucks are used to transport alumina to the alumina silo 8 via compressed air and dense phase transport. This method requires the tank trucks to be parked in the electrolysis corridor during unloading, posing significant safety hazards when the tank trucks enter and exit. Thus, while ensuring the supply of materials for electrolytic insulation material addition, the safety hazards associated with alumina tank trucks entering the workshop for unloading are avoided, as are potential emergencies during unloading.

[0037] In some embodiments, such as Figure 1 As shown, the alumina feeding system also includes:

[0038] The shut-off valve 10 is installed on the compressed air pipeline 19.

[0039] Specifically, a shut-off valve 10 is installed on the compressed air pipeline 19 to control the flow status of the compressed air pipeline 19.

[0040] In some embodiments, combined with Figure 1 and Figure 2 The alumina feeding system also includes:

[0041] A pneumatic butterfly valve 11 is installed on the compressed air pipeline 19, and the pneumatic butterfly valve 11 is located between the shut-off valve 10 and the air lift 7; the opening end B of the pneumatic butterfly valve 11 is connected to the control device 15.

[0042] Specifically, by setting up a pneumatic butterfly valve 11, the pneumatic butterfly valve 11 on the compressed air pipeline 19 can be interlocked with the start and stop of the main chute 3 of the ultra-dense phase system, ensuring that when the material enters the air elevator 7, the compressed air channel that provides power to the air elevator 7 opens synchronously, avoiding the problem of the air elevator 7 pipeline being blocked due to the material entering the air elevator 7 in advance.

[0043] In some embodiments, such as Figure 1 As shown, the alumina feeding system also includes:

[0044] The supporting structure 9 has the alumina silo 8 located at its top. The supporting structure 9 can be a steel structure, thus supporting the alumina silo 8.

[0045] In some embodiments, such as Figure 1 As shown, the support structure 9 includes multiple columns 13 and multiple crossbeams 14 disposed between two adjacent columns 13. Specifically, by setting multiple columns 13 and multiple crossbeams 14, the multiple columns 13 and multiple crossbeams 14 enclose and form a frame-type support structure 9, which not only supports the alumina steel silo 8, but also helps to save design materials.

[0046] In some embodiments, such as Figure 1 and Figure 2 As shown, the alumina feeding system also includes:

[0047] Compressed air tank 18 is connected to compressed air pipeline 19. The compressed air tank 18 may be located within the plant 17 described below.

[0048] In some embodiments, such as Figure 1 and Figure 2 As shown, the alumina feeding system also includes: a plant 17, and the electrolytic cell 16 is located inside the plant 17.

[0049] In some embodiments, such as Figure 1 and Figure 2 As shown, the factory building 17 includes a roof panel 6, and the supporting platform 5 is located on the roof panel 6. The distance between the supporting platform 5 and the ground can be 14 meters.

[0050] Therefore, this utility model involves installing an air lift 7 on the ground below the alumina silo 8 outside the plant 17. The air supply pipe of the air lift 7 is connected to the compressed air pipe 18 at the bottom of the electrolysis tank in the electrolysis plant 17, and a shut-off valve 10 and a pneumatic butterfly valve 11 are installed on the compressed air pipe 18. The main chute 3 of the ultra-dense phase system on the bearing platform 5 outside the plant 17 is connected to the air lift 7 on the ground through a DN50 pipe. When feeding the electrolysis tank 16 inside the plant 17, the main chute 3 of the ultra-dense phase system is filled with fluorinated alumina. If a DN50 pipe is installed at the tail of the main chute 3 of the ultra-dense phase system, directly connecting to the air lift 7 on the ground, the power source of the air lift 7 is provided by the compressed air pipe 18 at the bottom of the electrolysis tank in the electrolysis plant 17. The second air supply pipe 12 of the air lift 7 is connected to the compressed air pipe 18 at the bottom of the electrolysis tank in the electrolysis plant 17, and a shut-off valve 10 and a pneumatic butterfly valve 11 are installed on the pipe. Among them, the pneumatic butterfly valve 11 is interlocked with the start and stop of the ultra-dense phase system. When the main chute 3 of the ultra-dense phase system is started, the material in the main chute 3 of the ultra-dense phase system enters the air lift 7 on the ground through the DN50 pipeline. At this time, the pneumatic butterfly valve 11 on the second air supply pipeline 12 of the air lift 7 will open synchronously because it is interlocked with the start and stop of the main chute 3 of the ultra-dense phase system, supplying air to the air lift 7. The fluorinated alumina in the main chute 3 of the ultra-dense phase system that enters the air lift 7 through the pipeline is lifted into the alumina silo 8. That is, every time the electrolytic cell 16 is fed, the alumina silo 8 will be replenished with some fluorinated alumina, ensuring the supply of electrolytic insulation material.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0052] The above description is merely a specific embodiment of this utility model, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this utility model. Therefore, this utility model is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features of the utility model herein.

Claims

1. An alumina feeding system characterized by, include: Electrolytic cell, support platform, main chute of ultra-dense phase system, control equipment, air lift and alumina steel silo; The main sluice of the ultra-dense phase system is placed on the support platform; the opening end of the main sluice of the ultra-dense phase system is connected to the control equipment, the input end of the main sluice of the ultra-dense phase system is connected to the electrolytic cell through the first gas supply pipe, the output end of the main sluice of the ultra-dense phase system is connected to the air elevator through the first material pipe, and the air elevator is connected to the alumina steel silo through the second material pipe. The air lift is equipped with a second air supply pipe, which is connected to compressed air through a compressed air pipe. The main chute of the ultra-dense phase system is located above the air lift, and there is a height difference between the main chute of the ultra-dense phase system and the air lift.

2. The alumina charging system of claim 1, wherein Also includes: A shut-off valve is installed on the compressed air pipeline.

3. The alumina charging system of claim 2, wherein, Also includes: A pneumatic butterfly valve is installed on the compressed air pipeline, and the pneumatic butterfly valve is located between the shut-off valve and the air lift; the opening end of the pneumatic butterfly valve is connected to the control device.

4. The alumina charging system of claim 1, wherein Also includes: The supporting structure, wherein the alumina steel silo is located at the top of the supporting structure.

5. The alumina charging system of claim 4, wherein The support structure includes multiple columns and multiple crossbeams arranged between two adjacent columns.

6. The alumina charging system of claim 1, wherein Also includes: A compressed air tank, which is connected to the compressed air pipeline.

7. The alumina charging system of claim 1, wherein Also includes: The electrolytic cell is located within the factory building.

8. The alumina charging system of claim 7, wherein, The factory building includes a roof panel, and the supporting platform is located on the roof panel.

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