Aluminum electrolysis flue gas purification device

Abstract

The utility model relates to electrolytic aluminium production technical field, and disclose an aluminium electrolysis flue gas purification device, the existing device carries out purification when to electrolytic flue gas, although set up the stirring fan for disturbing flow, with the spray pipe that can carry out small amplitude rotation, but the working range of stirring fan is limited, difficultly forms the uniform turbulence to the whole domain flue gas in the device, possibly influences the sufficiency of gas liquid contact, the utility model discloses through setting up uniform subassembly, through the gas pipe and need the flue gas of purification to be transported to the purification tank body in, then the spray pipe transports the purification liquid of purification to the purification tank body and sprays, through the purification liquid to the flue gas purification treatment, and motor gives the disturbance fan power, through the disturbance fan to the flue gas exert an upward power, the process of flue gas movement will drive the disturbance piece rotation, and the vortex produced when the rotation of multiple disturbance pieces will offset each other, make the flue gas evenly dispersed to the purification tank body.

Description

Technical Field

[0001] This utility model relates to the field of aluminum electrolysis production technology, and in particular to an aluminum electrolysis flue gas purification device. Background Technology

[0002] Electrolytic aluminum is an important method for producing aluminum. Its principle is to use electrolytes, such as aluminum fluoride and aluminum chloride, which are rich in aluminum ions. Under electrolysis, the aluminum ions are reduced to aluminum metal, which is then purified and cast into ingots to become electrolytic aluminum products.

[0003] Chinese Patent Application No. 202421350192.4 discloses an aluminum electrolysis flue gas purification device, including a purification chamber. An air inlet is fixedly opened on the left side of the purification chamber, and an air outlet pipe is fixedly installed inside the purification chamber. The air outlet pipe and the air inlet are interconnected. A spray pipe is rotatably installed inside the purification chamber. By setting up a motor, worm gear, worm wheel and other structures, the device can make the striking head strike the filter plate to vibrate while the spray pipe rotates slightly when purifying the aluminum electrolysis flue gas, thereby increasing the spraying range of the spray pipe and thus increasing the purification efficiency of the entire device.

[0004] Regarding the above and existing related technologies, the inventors believe that the following defects often exist: When the device is used to purify electrolytic flue gas, although it is equipped with a stirring fan for turbulence and a spray pipe that can rotate slightly, the working range of the stirring fan is limited, making it difficult to form uniform turbulence in the flue gas throughout the device, which may affect the sufficiency of gas-liquid contact. Utility Model Content

[0005] The technical problem to be solved by this utility model is that in the prior art, the flue gas of aluminum electrolysis is turbulently treated by stirring fan, but the working range of stirring fan is limited, and it is difficult to form uniform turbulence in the entire area of ​​the device, which may affect the final purification effect. Therefore, we propose an aluminum electrolysis flue gas purification device.

[0006] To achieve the above objectives, this application adopts the following technical solution: an aluminum electrolysis flue gas purification device, comprising: a purification component, wherein a purification component is installed inside the purification component, the purification component includes a purification tank body, a discharge pipe is installed at the lower end of the purification tank body, a tank cover is installed at the top of the purification tank body, an exhaust pipe is installed on the tank cover, an air supply pipe and a spray pipe are provided inside the purification tank body, the air supply pipe is located below the spray pipe, a filter element is located above the spray pipe, the filter element is installed on the inner wall of the purification tank body, and a uniform component includes a motor, the motor is fixedly installed on the bottom surface of the purification tank body, a baffle fan is fixedly connected to the output end of the motor, the baffle fan is located inside the purification tank body, a baffle plate is located above the baffle fan, the baffle plate is located between the air supply pipe and the spray pipe, and a baffle element is rotatably installed on the baffle plate.

[0007] Preferably, a guide block is fixedly connected to the bottom surface of the purification tank body, and an inclined surface is provided on the guide block, with the discharge pipe corresponding to the guide block; It is used to quickly and conveniently drain the absorbent liquid from inside the purification tank.

[0008] Preferably, an installation ring is fixedly connected to the inner wall of the purification tank body, and the filter element includes a filter frame. The installation ring and the filter frame are installed together by bolts and nuts, and a filter screen is installed on the filter frame. This is designed to facilitate the installation of filter components during actual operation, enabling them to function properly and further filter the purified flue gas.

[0009] Preferably, a flow guide is fixedly connected to the inner wall of the can lid, and the exhaust pipe is connected to the flow guide; Used to conveniently exhaust the purified flue gas from the canister lid.

[0010] Preferably, the gas supply pipe is installed on the inner wall of the purification tank body through a pipe rack, and three sets of gas supply branch pipes are installed on the gas supply pipe. Nozzles are installed on the gas supply branch pipes, and one-way valves are installed on the nozzles. This is used to increase the even distribution of the flue gas to be treated into the purification tank, thereby increasing the overall purification efficiency of the device.

[0011] Preferably, the spray pipe is installed on the inner wall of the purification tank body through a pipe rack, and three sets of spray branch pipes are installed on the spray pipe, with a shower head installed at the output end of the spray branch pipe. This is used to increase the coverage area of ​​the purification liquid and maximize the contact area between the purification liquid and the flue gas.

[0012] Preferably, the spoiler consists of a drive shaft and blades, with the blades mounted obliquely on the drive shaft; It is used to rotate the turbulence-driving component by the flue gas, thereby turbulenting the flue gas that needs to be purified and increasing the purification effect of the entire device.

[0013] Preferably, a wind deflector is fixedly connected to the upper surface of the spoiler, the spoiler is set inside the wind deflector, and the wind deflector is set in a funnel shape. It is used to guide the flue gas that needs to be purified, so as to facilitate the subsequent purification operation.

[0014] The technical effects and advantages of this utility model are as follows: In this invention, the flue gas to be purified is transported to the purification tank body through the gas supply pipe, and then the purification liquid for purification is transported to the purification tank body through the spray pipe and sprayed. The flue gas is purified by the purification liquid. At the same time, the motor provides power to the baffle fan, which applies an upward force to the flue gas. During the movement of the flue gas, the baffles will rotate. The eddies generated when multiple baffles rotate will cancel each other out, so that the flue gas is evenly dispersed into the purification tank body. Attached Figure Description

[0015] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a schematic diagram of the overall structure of the device of this utility model; Figure 2 This is a schematic cross-sectional view of the purification tank body of this utility model. Figure 3 This is a schematic diagram of the cross-sectional structure of the can lid of this utility model; Figure 4 This is a schematic diagram of the air supply pipe and spray pipe structure of this utility model; Figure 5 This is a schematic diagram of the filter element structure of this utility model; Figure 6 This is a schematic diagram of the spoiler section of this utility model.

[0016] Legend: 1. Purification component; 11. Purification tank body; 111. Guide block; 112. Mounting ring; 12. Discharge pipe; 13. Tank cover; 131. Guide hood; 14. Exhaust pipe; 15. Air supply pipe; 151. Air supply branch pipe; 152. Spray head; 153. One-way valve; 16. Spray pipe; 161. Spray branch pipe; 162. Shower head; 17. Filter element; 171. Filter frame; 172. Filter screen; 2. Uniformity component; 21. Motor; 22. Baffle fan; 23. Baffle plate; 24. Baffle element; 25. Air guide hood. Detailed Implementation

[0017] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0018] Reference Figures 1 to 6As shown, this utility model provides a technical solution: an aluminum electrolysis flue gas purification device, comprising: a purification component 1, a purification component 2 installed inside the purification component 1, the purification component 1 including a purification tank body 11, a discharge pipe 12 installed at the lower end of the purification tank body 11, a tank cover 13 installed at the top of the purification tank body 11, an exhaust pipe 14 installed on the tank cover 13, an air supply pipe 15 and a spray pipe 16 arranged inside the purification tank body 11, the air supply pipe 15 being arranged below the spray pipe 16, a filter element 17 being arranged above the spray pipe 16, the filter element 17 being installed on the inner wall of the purification tank body 11, and the uniform component 2 including a motor 21, the motor 21 being fixedly installed on the bottom surface of the purification tank body 11, a baffle fan 22 being fixedly connected to the output end of the motor 21, the baffle fan 22 being arranged inside the purification tank body 11, a baffle plate 23 being arranged above the baffle fan 22, the baffle plate 23 being arranged between the air supply pipe 15 and the spray pipe 16, and a baffle element 24 being rotatably installed on the baffle plate 23.

[0019] Before purifying the flue gas, the discharge pipe 12, exhaust pipe 14, air supply pipe 15, and spray pipe 16 are connected to the corresponding external pipes. Then, the air supply pipe 15 is opened to deliver the flue gas to be treated into the purification tank body 11. At the same time, the motor 21 drives the baffle fan 22 to move. The baffle fan 22 applies an upward force to the flue gas inside the purification tank body 11. This flue gas passes through the baffle plate 23 and moves between the spray pipe 16 and the baffle plate 23. During the movement, it drives the baffle 24 to rotate, and small vortices are generated around the baffle 24. These small vortices cancel each other out, making the flue gas more evenly dispersed. The spray pipe 16 also delivers the purification liquid used to purify the flue gas from the outside into the purification tank body 11 and sprays it, so that the flue gas and the purification liquid come into contact and are purified by the purification liquid. This purification liquid is finally discharged from the discharge pipe 12.

[0020] Reference Figure 1 , Figure 2 and Figure 5 As shown, this utility model provides a technical solution: an aluminum electrolysis flue gas purification device, in which a guide block 111 is fixedly connected to the bottom surface of the purification tank body 11, the guide block 111 is provided with an inclined surface, the discharge pipe 12 corresponds to the guide block 111, the inner wall of the purification tank body 11 is fixedly connected to an installation ring 112, the filter element 17 includes a filter frame 171, the installation ring 112 and the filter frame 171 are installed together by bolts and nuts, and a filter screen 172 is installed on the filter frame 171.

[0021] A flow guide block 111 is provided on the bottom surface of the purification tank body 11. The flow guide block 111 guides the purification liquid, so that the purification liquid inside the purification tank body 11 can be discharged more easily from the discharge pipe 12. At the same time, by setting the installation ring 112 and the filter frame 171, it is easier for the operator to install the filter element 17 into the purification tank body 11. Then, the purified flue gas is filtered through the filter screen 172.

[0022] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, this utility model provides a technical solution: an aluminum electrolysis flue gas purification device, in which a flow guide hood 131 is fixedly connected to the inner wall of the tank cover 13, an exhaust pipe 14 is connected to the flow guide hood 131, an air supply pipe 15 is installed on the inner wall of the purification tank body 11 through a pipe rack, three sets of air supply branch pipes 151 are installed on the air supply pipe 15, a nozzle 152 is installed on the air supply branch pipe 151, a one-way valve 153 is installed on the nozzle 152, a spray pipe 16 is installed on the inner wall of the purification tank body 11 through a pipe rack, three sets of spray branch pipes 161 are installed on the spray pipe 16, a shower head 162 is installed at the output end of the spray branch pipe 161, a baffle 24 is composed of a drive shaft and blades, the blades are installed obliquely on the drive shaft, a wind guide hood 25 is fixedly connected to the upper surface of the baffle plate 23, the baffle 24 is set inside the wind guide hood 25, and the wind guide hood 25 is set in a funnel shape.

[0023] A flow guide 131 is installed inside the tank cover 13, which makes it easier to discharge the purified flue gas from the exhaust pipe 14. The air supply pipe 15 is equipped with an air supply branch pipe 151 and a nozzle 152 to release the flue gas more quickly. The one-way valve 153 is to prevent backflow. Similarly, the spray pipe 16 is equipped with a spray branch pipe 161 and a shower head 162 to increase the spray area and make it easier for the purified liquid and flue gas to come into contact. The baffle 23 is also equipped with multiple sets of holes for discharging the purified liquid. At the same time, the air guide 25 can also guide the flue gas.

[0024] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. An aluminum electrolysis fume scrubbing device, characterized by, include: A purification component includes a homogenizing component installed inside. The purification component comprises a purification tank body with a discharge pipe at its lower end and a tank cover at its top. An exhaust pipe is installed on the tank cover. An air supply pipe and a spray pipe are located inside the purification tank body. The air supply pipe is positioned below the spray pipe, and a filter element is positioned above the spray pipe and installed on the inner wall of the purification tank body. The homogenizing component includes a motor, which is fixedly installed on the lower surface of the purification tank body. A baffle fan is fixedly connected to the motor's output end and is located inside the purification tank body. A baffle plate is positioned above the baffle fan and positioned between the air supply pipe and the spray pipe, with baffle elements rotatably mounted on the baffle plate.

2. The aluminum electrolysis fume scrubbing apparatus of claim 1, wherein: A flow guide block is fixedly connected to the bottom surface of the purification tank body, and an inclined surface is provided on the flow guide block. The discharge pipe corresponds to the flow guide block.

3. The aluminum electrolysis fume scrubbing apparatus of claim 1, wherein: An installation ring is fixedly connected to the inner wall of the purification tank body. The filter element includes a filter frame. The installation ring and the filter frame are installed together by bolts and nuts. A filter screen is installed on the filter frame.

4. The aluminum electrolysis flue gas cleaning device of claim 1, wherein: A flow guide is fixedly connected to the inner wall of the can lid, and the exhaust pipe is connected to the flow guide.

5. The aluminum electrolysis fume scrubbing apparatus of claim 1, wherein: The gas supply pipe is installed on the inner wall of the purification tank body via a pipe rack. Three sets of gas supply branch pipes are installed on the gas supply pipe, and nozzles are installed on the gas supply branch pipes. One-way valves are installed on the nozzles.

6. The aluminum electrolysis flue gas cleaning device of claim 1, wherein: The spray pipe is installed on the inner wall of the purification tank via a pipe rack. Three sets of spray branch pipes are installed on the spray pipe, and a shower head is installed at the output end of each spray branch pipe.

7. The aluminum electrolysis flue gas cleaning device of claim 1, wherein: The spoiler consists of a drive shaft and blades, with the blades mounted obliquely on the drive shaft.

8. The aluminum electrolysis flue gas cleaning device of claim 1, wherein: A wind deflector is fixedly connected to the upper surface of the spoiler plate, and the spoiler is set inside the wind deflector. The wind deflector is configured as a funnel shape.

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