Electrolyte mixing and conveying system

Abstract

The utility model discloses an electrolyte mixing and conveying system which comprises a bucket elevator, an outlet of the bucket elevator is connected with a vibrating screen, different outlets of the vibrating screen are connected to storage bins of electrolytes with different particle sizes, the electrolyte mixing and conveying system further comprises an aluminum oxide ramming device, and a discharge port of the aluminum oxide ramming device is connected with an aluminum oxide storage bin. A disc feeder is arranged at a discharging port of the storage bin and connected with an inlet of a double-shaft mixing and stirring conveyor through a spiral conveyor or a pneumatic chute, and an expansion joint device is arranged at an outlet of the double-shaft mixing and stirring conveyor. The electrolyte storage bins with different granularities are arranged to store electrolyte materials with different granularities, the electrolyte materials with different granularities and aluminum oxide materials are mixed, and linkage control is performed through the control system, so that the requirements of different working conditions on electrolyte covering materials with different granularities in the aluminum electrolysis production process are met. Automatic production is achieved, cost is saved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an electrolyte mixture conveying system, belonging to the technical field of aluminum electrolysis. Background Art

[0002] Due to the high heat consumption during the aluminum electrolysis process, electrolyte material must be added to the anode surface of the electrolytic cell to maintain thermal insulation. Furthermore, aluminum electrolytic cells require a mixture of alumina and electrolyte materials of varying particle sizes for different operating conditions. This mixture offers advantages such as excellent thermal insulation and uniformity. Currently, the domestic aluminum electrolysis industry's electrolyte transport system can only store and transport electrolytes and mixtures of a single particle size, failing to meet the diverse electrolyte particle size requirements of electrolytic cells under varying operating conditions. This results in a low degree of automation, high labor intensity, and low production efficiency. Summary of the Invention

[0003] The purpose of the present utility model is to provide an electrolyte mixing and conveying system. It can save costs, reduce labor intensity, be beneficial to the heat preservation of the electrolytic cell under different working conditions, and improve the electrolysis production efficiency. The technical solution of the present utility model is as follows: an electrolyte mixing and conveying system, including a bucket elevator, the outlet of the bucket elevator is connected to an electro-hydraulic three-way dividing valve, one end of the electro-hydraulic three-way dividing valve is connected to a vibrating screen and the other end is connected to a bagging and packaging device, different outlets of the vibrating screen are connected to storage bins of electrolytes of different particle sizes, and also includes an alumina beating device, the discharge port of the alumina beating device is connected to the alumina storage bin, a disc feeder is provided at the discharge port of the storage bin, the outlet of the electrolyte storage bin is connected to a screw conveyor, the outlet of the alumina storage bin is connected to a pneumatic chute, the disc feeder is connected to the inlet of a double-shaft mixing and stirring conveyor via a screw conveyor or a pneumatic chute, and the outlet of the double-shaft mixing and stirring conveyor is provided with a telescopic joint device.

[0004] In the aforementioned electrolyte mixing and conveying system, the electrolyte storage bins are divided into two storage bins with different particle sizes, and two storage bins of each particle size are provided. Each outlet of the vibrating screen is connected to two storage bins of the same particle size through an electro-hydraulic three-way dividing valve.

[0005] In the aforementioned electrolyte mixing and conveying system, the outlet of the dual-shaft mixing and stirring conveyor is connected to an electro-hydraulic three-way distributing valve, and the electro-hydraulic three-way distributing valve is respectively connected to two expansion joint devices.

[0006] In the aforementioned electrolyte mixture conveying system, two bucket elevators and two vibrating screens are provided.

[0007] In the aforementioned electrolyte mixing and conveying system, the storage bin also includes a storage bin for electrolyte powder, which is connected to the electrolyte dust collection system through a pipeline. An electrolyte dust collection system is provided at each device of the electrolyte mixing and conveying system, and the bottom of the electrolyte powder storage bin is connected to the inlet of the double-axis mixing and stirring conveyor through a pneumatic chute.

[0008] The beneficial effects of this utility model are as follows: Compared with the existing technology, this utility model provides electrolyte storage bins of different particle sizes to store electrolyte materials of different particle sizes, mixes electrolyte materials of different particle sizes with alumina materials, and implements interlocking control through a control system. This satisfies the requirements for electrolyte covering materials of different particle sizes under different working conditions during aluminum electrolysis production, thereby achieving automated production, saving costs, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the present utility model.

[0010] Figure numerals: 1-bucket elevator, 2-electro-hydraulic tee, 3-vibrating screen, 4-storage bin, 5-disc feeder, 6-screw conveyor, 7-double-axis mixing and stirring conveyor, 8-pneumatic chute, 9-bagging and packaging device, 10-alumina punching device, 11-expansion joint device, 12-electrolyte transport vehicle, 13-alumina transport vehicle. DETAILED DESCRIPTION

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0012] An embodiment of the present utility model: An electrolyte mixing conveying system includes a bucket elevator 1, the outlet of the bucket elevator 1 is connected to a vibrating screen 3, different outlets of the vibrating screen 3 are connected to storage bins 4 for electrolytes of different particle sizes, and also includes an alumina feeding device 10, the discharge port of the alumina feeding device 10 is connected to the alumina storage bin 4, a disc feeder 5 is provided at the discharge port of the storage bin 4, the disc feeder 5 is connected to the inlet of a double-shaft mixing and stirring conveyor 8 via a screw conveyor 6 or a pneumatic chute 7, and the outlet of the double-shaft mixing and stirring conveyor 8 is provided with a telescopic joint device 11.

[0013] The outlet of the electrolyte storage bin 4 is connected to a screw conveyor 6; the outlet of the alumina storage bin 4 is connected to a pneumatic chute 7. Different storage bins 4 convey materials to a double-shaft mixing and stirring conveyor 8 for mixing through different components.

[0014] The outlet of the bucket elevator 1 is connected to the electro-hydraulic three-way distributing valve 2, one end of which is connected to the vibrating screen 3 and the other end is connected to the bagging and packaging device 9. The conveying system is also provided with a bagging and packaging device 9, which can provide bagged materials for use in the electrolytic cell.

[0015] The electrolyte storage bins 4 are divided into two storage bins 4 of different particle sizes, and there are two storage bins 4 of each particle size. Each outlet of the vibrating screen 3 is connected to two storage bins 4 of the same particle size through an electro-hydraulic three-way distributing valve 2. The particle size of the electrolyte is divided into two specifications, namely 0-3mm and 3-15mm, of which there are two storage bins 4 for the electrolyte of 0-3mm and two storage bins 4 for the electrolyte of 3-15mm. The vibrating screen 3 is provided with two outlets of different particle sizes, of which outlet A is connected to the storage bin 4 of 0-3mm, and outlet B is connected to the storage bin 4 of 3-15mm, respectively. An electro-hydraulic three-way distributing valve 2 is provided at outlet A and outlet B respectively, of which the electro-hydraulic three-way distributing valve 2 of outlet A is connected to the two storage bins 4 of 0-3mm, and the electro-hydraulic three-way distributing valve 2 of outlet B is connected to the two storage bins 4 of 3-15mm. This arrangement ensures that the storage bin 4 can store a large amount of electrolyte, and the storage volume can meet the mixing requirements.

[0016] The outlet of the dual-shaft mixing and stirring conveyor 8 is connected to an electro-hydraulic three-way distributing valve 2, which is respectively connected to two telescopic joint devices 11. The two telescopic joint devices 11 are used to correspond to the two feed ports on the electrolyte transport vehicle 12, thereby realizing rapid loading.

[0017] Two bucket elevators 1 and two vibrating screens 3 are provided, each with four corresponding electrolyte storage bins 4. Two of these are for electrolytes with a diameter of 0 to 3 mm, and two are for electrolytes with a diameter of 3 to 15 mm. These four electrolyte storage bins 4 share one screw conveyor 6, and only one corresponding dual-shaft mixing and stirring conveyor 8 is provided. The two bucket elevators 1 and two vibrating screens 3 are provided to improve the efficiency of electrolyte storage and transportation, ensuring that the electrolyte storage capacity meets the subsequent mixing usage requirements.

[0018] The storage bin 4 also includes a storage bin 4 for electrolyte powder, which is connected to the electrolyte dust collection system through a pipeline. Each device of the electrolyte mixing and conveying system is provided with an electrolyte dust collection system. The bottom of the electrolyte powder storage bin 4 is connected to the inlet of the double-axis mixing and stirring conveyor 8 through a pneumatic chute 7. Through this structure, full recycling of resources is achieved, the dust concentration in the workshop is reduced, and a good working environment is created. The electrolyte powder concentrated by the electrolyte dust collection system is transported to the electrolyte powder storage bin 4 through a pipeline for storage and recycling, which is different from using bag dust collection, avoids manual consignment and reduces labor intensity.

[0019] The utility model provides an electrolyte mixing and conveying system, comprising a bucket elevator 1, an electro-hydraulic three-way distributing valve 2, a vibrating screen 3, a storage bin 4, a disc feeder 5, a screw conveyor 6, a double-shaft mixing and stirring conveyor 7, a pneumatic chute 8, a bagging and packaging device 9, an alumina punching device 10, and an expansion joint device 11.

[0020] The utility model provides an operating method of an electrolyte mixture delivery system, comprising the following steps:

[0021] 1. Material storage: The bucket elevator 1 lifts the electrolyte material to the vibrating screen 3. The material screened by the vibrating screen 3 is stored in the storage bin 4 for storing electrolyte materials of different particle sizes. At the same time, the alumina transport vehicle 13 transports the alumina material to the alumina sluicing device 10. The alumina sluicing device 10 lifts the alumina in the alumina transport vehicle 13 to the alumina storage bin 4 for storage;

[0022] 2. Mixing: The disc feeder 5 at the discharge port of the storage bin 4 delivers the material to the screw conveyor 6 and the pneumatic chute 7. The screw conveyor 6 and the pneumatic chute 7 then convey the material to the double-shaft mixing and stirring conveyor 8 for mixing;

[0023] 3. Unloading: The stirred material is transported to the electrolyte transport vehicle 12 through the expansion joint device 11, and the electrolyte transport vehicle 12 transports the material to the covering material conveying system next to the electrolysis workshop.

[0024] The specific process is as follows:

[0025] The bucket elevator 1 and the vibrating screen 3 distribute a portion of the electrolyte material into the bagging and packaging device 9 through the electro-hydraulic three-way distributing valve 2, and the other portion of the material enters the vibrating screen 3. Each vibrating screen 3 is connected to multiple storage bins 4 through the electro-hydraulic three-way distributing valve 2. The 0-3mm electrolyte material enters the 0-3mm storage bin 4, and the 3-15mm material enters the 3-15mm storage bin 4. The alumina feeding device 10 feeds the alumina pulled by the alumina transport vehicle 13 into the alumina storage bin 4. The dust material collected by the electrolyte dust collection system is transported through a pipeline to the storage bin 4 for electrolytic cell powder <1 mm. The disc feeder 5 under the storage bins 4 for 0-3 mm and 3-15 mm transports the material to the screw feeder 6. The screw feeder 6 then transports the material to the dual-shaft mixing and stirring conveyor 8 for mixing. The disc feeder 5 under the storage bin 4 for electrolytic cell powder <1 mm and the alumina storage bin 4 transports the material to the dual-shaft mixing and stirring conveyor 8 through a pneumatic chute 7 for mixing. The mixed material is connected to the expansion joint device 11 through the electro-hydraulic three-way distributing valve 2 and transported to the electrolyte transport vehicle 12. The electrolyte transport vehicle 12 transports the material to the electrolysis workshop for use as insulation material. The entire conveying and mixing process is controlled by the valve control system interlocking material transportation, realizing full process automation. The utility model stores electrolytes of different particle sizes and alumina for mixing through different storage bins 4, which meets the needs of the electrolytic cell for electrolyte covering materials and alumina mixtures of different particle sizes under different working conditions, saves labor costs and improves production efficiency.

Claims

1. An electrolyte mixture delivery system, characterized in that: The invention comprises a bucket elevator (1), the outlet of the bucket elevator (1) is connected to an electro-hydraulic three-way distributing valve (2), one end of the electro-hydraulic three-way distributing valve (2) is connected to a vibrating screen (3), and the other end is connected to a bagging and packaging device (9), different outlets of the vibrating screen (3) are connected to storage bins (4) of electrolytes with different particle sizes, and also comprises an alumina feeding device (10), the discharge port of the alumina feeding device (10) is connected to the alumina storage bin (4), a disc feeder (5) is provided at the discharge port of the storage bin (4), the outlet of the electrolyte storage bin (4) is connected to a screw conveyor (6), the outlet of the alumina storage bin (4) is connected to a pneumatic chute (7), the disc feeder (5) is connected to the inlet of a double-shaft mixing and stirring conveyor (8) via the screw conveyor (6) or the pneumatic chute (7), and the outlet of the double-shaft mixing and stirring conveyor (8) is provided with a telescopic joint device (11).

2. The electrolyte mixture delivery system according to claim 1, characterized in that: The electrolyte storage bins (4) are divided into two storage bins (4) of different particle sizes, and two storage bins (4) of each particle size are provided. Each outlet of the vibrating screen (3) is connected to two storage bins (4) of the same particle size via an electro-hydraulic three-way distributing valve (2).

3. The electrolyte mixture delivery system according to claim 1, characterized in that: The outlet of the biaxial mixing and stirring conveyor (8) is connected to an electro-hydraulic three-way material distribution valve (2), and the electro-hydraulic three-way material distribution valve (2) is respectively connected to two telescopic joint devices (11).

4. The electrolyte mixture delivery system according to claim 1, characterized in that: The bucket elevator (1) and the vibrating screen (3) are each provided with two sets.

5. The electrolyte mixture delivery system according to claim 1, characterized in that: The storage bin (4) further includes an electrolyte powder storage bin (4), which is connected to an electrolyte dust collection system via a pipeline. Each device of the electrolyte mixing and conveying system is provided with an electrolyte dust collection system. The bottom of the electrolyte powder storage bin (4) is connected to the inlet of a double-shaft mixing and stirring conveyor (8) via a pneumatic chute (7).

Images