Aluminum electrolysis two-man ladle high-temperature flue gas recovery device

Abstract

The utility model discloses an aluminum electrolysis two-man ladle high-temperature flue gas recovery device, which relates to the technical field of aluminum electrolysis equipment and comprises a flue gas collection cover, a flue gas guide pipe, a buffer tank, a spray pipe, a water inlet hose, a water suction pump, a cooling water tank, an induced draft fan, a liquid discharge pipe and a filter plate, the vacuum ladle drying device has the advantages that in the process of drying a vacuum ladle, high-temperature flue gas can be cooled and recycled, the high-temperature flue gas in the flue gas guide pipe is subjected to smoke removal and temperature reduction through the spraying pipe, sprayed cooling water can flow back to the bottom of the buffer box together with adhered particles, and the particles are discharged out of the buffer box. The high-temperature air flows into the buffer tank and flows back into the cooling water tank again along with the liquid discharge pipe, particles adhered to the water are filtered out through the filter plate to form the cyclic utilization process of the water body, only the high-temperature air finally flows into the buffer tank, and finally the high-temperature air in the buffer tank is extracted and discharged through the induced draft fan, so that the influence on the environment is reduced.

Description

Technical field:

[0001] The utility model relates to the technical field of aluminum electrolysis equipment, in particular to a high-temperature fume recovery device for aluminum electrolysis ladle. Background technology:

[0002] The vacuum ladle is a device that extracts smelted liquid aluminum, magnesium and other metals from the electrolytic cell and transports them to other places. After the vacuum ladle is used, the internal high-temperature refractory castable needs to be dried. Since the drying requires a very high temperature, charcoal blocks are generally used to ignite the vacuum ladle to achieve drying.

[0003] During the drying process, a large amount of harmful high-temperature flue gas is generated when the carbon blocks are burned. The usual method is to directly discharge the high-temperature flue gas into the air without environmental protection treatment, causing environmental pollution. Therefore, for the sake of environmental protection, it is necessary to recycle and treat this part of the high-temperature flue gas to reduce the impact on the environment. A new technical solution is needed to solve the defects in the existing technology. Utility model content:

[0004] The utility model aims to provide a high-temperature fume recovery device for aluminum electrolysis ladle to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is implemented by the following technical solutions:

[0006] A high-temperature fume recovery device for aluminum electrolysis ladle, comprising a fume collection hood, a fume guide pipe, a buffer box, a spray pipe, a water inlet hose, a water pump, a cooling water tank, an induced draft fan, a liquid discharge pipe and a filter plate;

[0007] The top of the smoke collection hood is fixedly connected to one end of the smoke guide pipe, and the other end of the smoke guide pipe is socketed with the smoke inlet pipe on the buffer box. A spray pipe is arranged in the smoke guide pipe, and one end of the spray pipe passes through the outer side of the smoke inlet pipe and is fixedly connected to one end of a water inlet hose. A water pump is installed at the other end of the water inlet hose, and the water pump is placed in a cooling water tank next to the buffer box. The smoke exhaust pipe on the buffer box is connected to the air inlet of the induced draft fan, and a drain pipe is installed at the bottom of the buffer box, and one end of the drain pipe is placed in the cooling water tank. A filter plate is fixed in the cooling water tank to separate the water inlet hose and the drain pipe on both sides thereof.

[0008] Preferably, the fume collection hood has a "conical" structure, and its bottom covers the top of the vacuum ladle.

[0009] Preferably, the smoke guide pipe comprises a first section smoke pipe, a second section smoke pipe and a third section smoke pipe which are sleeved in sequence, and a handle is installed on the third section smoke pipe.

[0010] The advantages of the utility model are as follows: in the process of drying the vacuum ladle, the high-temperature flue gas can be cooled and recovered, and the high-temperature flue gas in the smoke guide pipe is removed and cooled through the spray pipe. The sprayed cooling water will flow back to the bottom of the buffer box with the adhered particles, and flow back to the cooling water tank again through the drain pipe. The adhered particles in the water are filtered out by the filter plate, forming a recycling process of the water body, so that only high-temperature air finally flows into the buffer box, and finally the high-temperature air in the buffer box is extracted and discharged by the induced draft fan, thereby reducing the impact on the environment. Description of the drawings:

[0011] Figure 1 It is a top view of the utility model;

[0012] Figure 2 for Figure 1 Sectional view at point A;

[0013] Figure 3 It is a schematic diagram of the spray pipe structure;

[0014] Figure 4 It is a reference diagram for use in the present utility model;

[0015] Figure 5 for Figure 4 Enlarged view of point B in the middle.

[0016] In the figure: 1. smoke collecting hood, 2. smoke guide pipe, 2.1. first section of smoke pipe, 2.2. second section of smoke pipe, 2.3. third section of smoke pipe, 2.31. handle, 3. buffer box, 3.1. smoke inlet pipe, 3.2. smoke exhaust pipe, 4. spray pipe, 5. water inlet hose, 6. water pump, 7. cooling water tank, 8. induced draft fan, 9. drain pipe, 10. filter plate, 11. vacuum lifting bag. Specific implementation method:

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-5 The utility model provides a technical solution for a high-temperature fume recovery device for aluminum electrolysis ladle:

[0019] A high-temperature fume recovery device for aluminum electrolysis ladle, comprising a fume collection hood 1, a fume guide pipe 2, a buffer box 3, a spray pipe 4, a water inlet hose 5, a water pump 6, a cooling water tank 7, an induced draft fan 8, a drain pipe 9 and a filter plate 10;

[0020] The smoke collecting hood 1 is of a "conical" structure, the bottom of which covers the top of the vacuum ladle 11. The smoke guide pipe 2 includes a first smoke pipe section 2.1, a second smoke pipe section 2.2 and a third smoke pipe section 2.3 which are sequentially sleeved. A handle 2.31 is installed on the third smoke pipe section 2.3. Because the third smoke pipe section 2.3 will have a high temperature due to the high-temperature smoke, it is easy to cause burns to the hands during disassembly. The handle 2.31 facilitates disassembly while avoiding contact between the hands and the third smoke pipe section 2.3.

[0021] The top of the smoke collection hood 1 is fixedly connected to one end of the smoke guide pipe 2, and the other end of the smoke guide pipe 2 is sleeved with the smoke inlet pipe 3.1 on the buffer box 3. A spray pipe 4 is arranged in the smoke guide pipe 2. Cooling water sprayed from the spray pipe 4 is sprayed on the high-temperature smoke in the smoke guide pipe 2. While cooling, particulate matter in the smoke is adhered to the water, thereby removing it. One end of the spray pipe 4 passes through the outside of the smoke inlet pipe 3.1 and is fixedly connected to one end of the water inlet hose 5. A water pump 6 is installed at the other end of the water inlet hose 5. The water pump 6 is placed in the cooling water tank 7 next to the buffer box 3, so as to achieve continuous spraying; the smoke exhaust pipe 3.2 on the buffer box 3 is connected to the air inlet of the induced draft fan 8, and a drain pipe 9 is installed at the bottom of the buffer box 3. One end of the drain pipe 9 is placed in the cooling water tank 7, and the water with adhered particles flows back to the cooling water tank 7 through the drain pipe 9. A filter plate 10 is fixed in the cooling water tank 7 to separate the water inlet hose 5 and the drain pipe 9 on both sides thereof. The filter plate 10 is used to filter out the particles adhered to the water to prevent the water body from affecting the normal operation of the water pump 6.

[0022] The working principle is as follows: during the drying process of the vacuum ladle, the smoke collecting hood 1 is covered on the top of the vacuum ladle 11, and the air in the buffer box 3 is extracted by the induced draft fan 8, so that the interior of the smoke collecting hood 1, the smoke guide pipe 2 and the buffer box 3 connected to each other forms a negative pressure state, thereby extracting the high-temperature smoke in the vacuum ladle 11 and entering the buffer box 3 along with the smoke collecting hood 1 and the smoke guide pipe 2; at the same time, the water pump 6 will introduce the extracted cooling water into the spray pipe 4 through the water inlet hose 5, and the high-temperature smoke in the smoke guide pipe 2 will be desmoked and cooled by the spray pipe 4, and the sprayed cooling water will flow back to the bottom of the buffer box 3 with the adhered particles, and will flow back to the cooling water tank 7 again along the drain pipe 9, and the adhered particles in the water will be filtered out by the filter plate 10 to form a recycling process of the water body, so that only high-temperature air will finally flow into the buffer box 3, and finally the high-temperature air in the buffer box 3 will be extracted and discharged by the induced draft fan 8, thereby reducing the impact on the environment.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-temperature fume recovery device for aluminum electrolysis ladle, characterized by: It comprises a smoke collecting hood (1), a smoke guide pipe (2), a buffer box (3), a spray pipe (4), a water inlet hose (5), a water pump (6), a cooling water tank (7), an induced draft fan (8), a liquid discharge pipe (9) and a filter plate (10); The top of the smoke collecting hood (1) is fixedly connected to one end of the smoke guide pipe (2), and the other end of the smoke guide pipe (2) is sleeved with the smoke inlet pipe (3.1) on the buffer box (3). A spray pipe (4) is arranged in the smoke guide pipe (2), and one end of the spray pipe (4) is passed through the outside of the smoke inlet pipe (3.1) and is fixedly connected to one end of a water inlet hose (5). A water pump (6) is installed at the other end of the water inlet hose (5), and the water pump (6) is placed in a cooling water tank (7) next to the buffer box (3). The smoke exhaust pipe (3.2) on the buffer box (3) is connected to the air inlet of the induced draft fan (8). A drain pipe (9) is installed at the bottom of the buffer box (3), and one end of the drain pipe (9) is placed in the cooling water tank (7). A filter plate (10) is fixed in the cooling water tank (7) to separate the water inlet hose (5) and the drain pipe (9) on both sides thereof.

2. The high-temperature fume recovery device for aluminum electrolysis ladle according to claim 1 is characterized in that: The fume collecting hood (1) is of a "conical" structure, and its bottom covers the top of the vacuum ladle (11).

3. The high-temperature fume recovery device for aluminum electrolysis ladle according to claim 1 is characterized in that: The smoke guide pipe (2) comprises a first section smoke pipe (2.1), a second section smoke pipe (2.2) and a third section smoke pipe (2.3) which are sleeved in sequence, and a handle (2.31) is installed on the third section smoke pipe (2.3).

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