CN204849057U - Aluminium electroloysis positive pole steel claw spraying graphite system - Google Patents

Abstract

The utility model provides an aluminum electrolysis anode steel claw spraying graphite system, which can improve work efficiency and reduce labor intensity of workers. Including: material storage box, with feeding port and material outlet, used to store graphite and solvent; working box, with multiple steel claw inlets on the upper surface, sensors and multiple spray heads inside; compressed air pipe network , used to provide air source; the first compressed air pipeline, one end is connected to the compressed air pipe network, and the other end is connected to the sprinkler; the second compressed air pipeline, one end is connected to the compressed air pipe network, and the other end is connected to the storage tank; Pipe, one end connected to the material outlet, the other end communicated with the first compressed air pipeline; and a plurality of electromagnetic control valves, arranged between the spray head and the first compressed air pipeline; wherein the sensor is connected with the electromagnetic control valve, and the induction The device detects the position of the anode steel claw, and sends out a signal to control the switch of the electromagnetic control valve.

Description

Aluminum electrolytic anode steel claw spraying graphite system

technical field

The utility model belongs to the field of aluminum electrolysis anode assembly, in particular to a graphite spraying system for aluminum electrolysis anode steel claws.

Background technique

With the continuous development of the aluminum industry, graphite spraying on anode steel claws in aluminum electrolysis production has become an important operation for enterprises. Ring pressure removal efficiency, improve the recovery rate of phosphorus pig iron, reduce the iron-carbon pressure drop between the anode and the steel claw, and reduce the comprehensive power consumption of aluminum electrolysis. A special design and practical new aluminum electrolysis anode steel claw automatic spraying graphite method and device.

In the production of aluminum electrolysis, the anode steel claw and the carbon block need to be cast together with phosphorus pig iron. In order to prevent the steel claw and iron ring from sticking to the steel claw when the molten iron is poured, graphite should be coated on the steel claw when the anode is assembled. pink.

At present, the aluminum electrolytic anode steel claw spraying graphite adopts manual brushing or graphite dipping process, that is, manually dipping graphite with a brush to paint on the anode steel claw or soaking the anode steel claw in diesel oil and then dipping in graphite powder , this method is not only labor-intensive and time-consuming, but also inefficient, and the uneven graphite coating makes it difficult to press off the phosphorus pig iron ring; in addition, the amount of diesel oil soaked in diesel oil is too large, causing diesel oil to burn during casting, polluting the environment and casting The phosphorus iron ring produces cracks or bubbles, and the anode iron-carbon pressure drop increases, which affects the overall power consumption of aluminum electrolysis.

The method to solve this problem at the present stage is mainly to use natural gas or electricity to heat and dry the steel claws soaked in diesel oil, but it is a waste of energy and poor in economy.

Utility model content

The utility model provides an aluminum electrolysis anode steel claw spraying graphite system, which can improve work efficiency and reduce labor intensity of workers.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic graphite spraying system for aluminum electrolytic anode steel claws, including:

The storage box has a feeding port and a material outlet for storing graphite and solvent;

The working box has multiple steel claw inlets on the upper surface, sensors and multiple sprinklers inside;

Compressed air pipe network for providing air source;

The first compressed air pipeline, one end is connected to the compressed air pipe network, and the other end is connected to the sprinkler head;

The second compressed air pipeline, one end is connected to the compressed air pipe network, and the other end is connected to the storage tank;

A feed pipe, one end connected to the material outlet, and the other end communicated with the first compressed air pipeline;

and a plurality of electromagnetic control valves arranged between the sprinkler head and the first compressed air pipeline;

The sensor is connected with the electromagnetic control valve, the sensor detects the position of the anode steel claw, and sends out a signal to control the switch of the electromagnetic control valve.

In the above-mentioned aluminum electrolysis anode steel claw automatic spraying graphite system, the spray heads on the same side of the anode steel claw are all at an angle of 45° to the axis of the anode steel claw, and the spray heads on the opposite side of the anode steel claw are all aligned with the anode steel claw axis. There is an angle of 135° between the axes of the claws.

In the above-mentioned aluminum electrolysis anode steel claw automatic spraying graphite system, the bottom of the working box is connected with the upper part of the storage box through the recovery pipe.

In the aluminum electrolysis anode steel claw automatic graphite spraying system, a first regulating valve is provided on the first compressed air pipeline, and a second regulating valve is provided on the second compressed air pipeline.

In the aluminum electrolysis anode steel claw automatic spraying graphite system, the lower bottom surface of the material storage box and the upper surface of the working box are located on the same horizontal plane.

In the above-mentioned aluminum electrolysis anode steel claw automatic spraying graphite system, the cross section of the steel claw inlet is circular.

The beneficial effects of the utility model:

1. Compressed air and sensors are used in the system to replace labor, which realizes the automation of operations, improves work efficiency, and reduces the labor intensity of workers.

2. The system uses atomizing nozzles and sets the angle of the nozzles, which effectively improves the uniformity of graphite spraying, is conducive to the detachment of carbon blocks and steel claws, can effectively reduce the damage rate of steel claws, and improve the recovery rate of phosphorus pig iron .

3. The system adopts the formula of diesel oil and graphite and the compressed air regulating valve, which can effectively control the amount of diesel oil attached to the steel claws, and prevent the environmental pollution caused by burning too much diesel oil during casting.

4. The system adopts the formula of diesel oil and graphite and the compressed air regulating valve, which can effectively control the amount of diesel oil attached to the steel claws, and eliminate the phenomenon of cracks and bubbles in the phosphorus pig iron ring caused by the combustion of excessive diesel oil during casting, reducing the Iron-carbon pressure drop, thereby reducing the comprehensive power consumption of aluminum electrolysis.

5. In the system, a recovery pipe is set between the working box and the storage box, which can effectively recover the diesel that falls on the bottom of the working box during spraying, realize the recycling of diesel, and effectively save the amount of diesel.

Description of drawings

Fig. 1 is the top view of the selected embodiment of the utility model;

Figure 2 is a schematic diagram of the sprinkler installation structure;

In the figure 1. Compressed air pipe network, 2. First regulating valve, 3. Second regulating valve, 4. Second compressed air pipeline, 5. Storage tank, 6. Feeding port, 7. Compressed gas inlet, 8 , material outlet, 9, inflow inlet, 10, feeding pipe, 11, recovery pipe, 12, outflow outlet, 13, working box, 14, steel claw inlet, 15, material storage box, 16, sprinkler head, 17, Inductor, 18, signal line, 19, electromagnetic control valve, 20, limit position, 21, first compressed air pipeline.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

With reference to accompanying drawing 1, a kind of aluminum electrolysis anode steel claw automatic spraying graphite system comprises compressed air pipe network 1, material storage box 5, working box 13, first compressed air pipeline 21, second compressed air pipeline 4, feeding Pipe 10 and a plurality of solenoid control valves 19. Among them, the compressed air pipe network 1 is used to provide gas source; the top of the storage box 5 has a feeding port 6, the upper part of the side wall is provided with an inflow port 9, and the bottom is provided with a material outlet 8 and a compressed gas inlet 7 for placing graphite and solvent; working The upper surface of the box 13 is provided with a plurality of steel claw inlets 14 with a circular cross-section, an inductor 17 and a plurality of spray heads 16 are arranged inside, and an outflow port 12 is arranged at the bottom; one end of the first compressed air pipeline 21 is connected to the compressed air The other end of the air pipe network 1 is connected to the sprinkler head 16; one end of the second compressed air pipe 4 is connected to the compressed air pipe network 1, and the other end is connected to the compressed gas inlet 7 of the storage tank 5; one end of the feeding pipe 10 is connected to the material outlet 8, The other end communicates with the first compressed air pipeline 21; the electromagnetic control valve 19 is arranged between the shower head 16 and the first compressed air pipeline 21; the inductor 17 is connected with the electromagnetic control valve 19 through the signal line 18, and the inductor 17 The position of the anode steel claw 15 is detected, and a signal is sent to control the switch of the electromagnetic control valve 19; the first compressed air pipeline 21 is provided with a first regulating valve 2, and the second compressed air pipeline 4 is provided with a second regulating valve 3.

With reference to accompanying drawing 2, the spray head 16 that is positioned at the same side of anode steel claw 15 forms an included angle of 45° with the axis of anode steel claw 15, and the spray head 16 on the opposite side of anode steel claw 15 is all connected with anode steel claw 15 There is an angle of 135° between the axes. Adopting this structure effectively improves the uniformity of graphite spraying, facilitates the detachment of the carbon block from the anode steel claw 15, effectively reduces the damage rate of the anode steel claw 15, and improves the recovery rate of phosphorus pig iron.

In this embodiment, the outflow port 12 at the bottom of the working box 1 communicates with the inflow port 9 on the upper part of the material storage box 5 through the recovery pipe 11, which is convenient for solvent recycling.

In this embodiment, the lower bottom surface of the material storage box 5 and the upper surface of the working box 13 are located at the same level, so that the material storage box 5 and the working box 13 will form a drop, so as to facilitate the transportation of materials and the recovery of dropped solvent.

A spraying method using an aluminum electrolysis anode steel claw automatic spraying graphite system, adding diesel oil as a solvent in the storage box 5, and opening the second regulating valve 3, and the compressed gas passes through the second compressed air pipeline 4 and the compressed gas inlet 7 Enter the material storage box 5, then add graphite powder, diesel oil and graphite powder are boiled by air force, which ensures that the materials are always in a uniform mixing state; when the anode steel claw 15 enters the work box, the sensor 17 detects that the anode steel claw 15 reaches the limit. When the position is 20, a signal is sent to the electromagnetic control valve 19, and the electromagnetic control valve 19 is opened. According to the siphon principle, the first compressed air pipeline 21 is used to compress the air to transport the material in the storage box 5 to the working box 13 for atomization and spraying. When the anode steel claw 15 left the working box 15, the electromagnetic control valve 19 was closed.

In this embodiment, the weight ratio of diesel oil to graphite powder is 5:1.

The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit it. Although the utility model has been described in detail through the examples, those skilled in the art should be able to modify or modify some technical features with reference to the specific methods of the utility model Perform equivalent replacements, but without departing from the spirit of the technical solution of the utility model, the above-mentioned changes or equivalent replacements should fall within the scope of the technical solution claimed by the utility model.

Claims (6)

1. an aluminium electrolysis anode steel pawl automatic coating graphite system, is characterized in that, comprising:

Materials-stored box (5), has charging opening (6) and material outlet (8), for placing graphite and solvent;

Work box (13), upper surface is provided with multiple steel pawl admission port (14), and inside is provided with inductor block (17) and multiple spray header (16);

Compressed air pipe network (1), for providing source of the gas;

First pneumatic line (21), one end connects compressed air pipe network (1), and the other end connects spray header (16);

Second pneumatic line (4), one end connects compressed air pipe network (1), and the other end connects materials-stored box (5);

Feeding tube (10), one end connects material outlet (8), and the other end is communicated with the first pneumatic line (21);

With multiple solenoid electric valve (19), be arranged between spray header (16) and the first pneumatic line (21);

Wherein inductor block (17) is connected with solenoid electric valve (19), and inductor block (17) detects anode steel jaw (15) position, sends signal control solenoid electric valve (19) switch.

2. aluminium electrolysis anode steel pawl automatic coating graphite system according to claim 1, is characterized in that: the spray header (16) of spray header (16) all with angle at 45 ° between anode steel jaw (15) axis in anode steel jaw (15) relative side being positioned at anode steel jaw (15) the same side all becomes 135 ° of angles with between anode steel jaw (15) axis.

3. aluminium electrolysis anode steel pawl automatic coating graphite system according to claim 1, is characterized in that: work box (13) bottom is communicated with materials-stored box (5) top through recovery tube (11).

4. aluminium electrolysis anode steel pawl automatic coating graphite system according to claim 1, it is characterized in that: the first pneumatic line (21) is provided with the first variable valve (2), the second pneumatic line (4) is provided with the second variable valve (3).

5. aluminium electrolysis anode steel pawl automatic coating graphite system according to claim 1, is characterized in that: materials-stored box (5) bottom surface and work box (13) upper surface are positioned at same level.

6. aluminium electrolysis anode steel pawl automatic coating graphite system according to any one of claim 1 to 5, is characterized in that: steel pawl admission port (14) cross section is for circular.