A high-efficiency exhaust gas washing device

Abstract

The utility model discloses a kind of high-efficiency waste gas washing devices, belong to waste gas treatment equipment, including tower body, water tank and water distribution system, the sidewall on the bottom of tower body is connected with air inlet pipe, the bottom of tower body is connected with smoke outlet, water distribution system includes water distribution main pipe and multiple water distribution branch pipes connected on water distribution main pipe, water distribution main pipe is connected with water distribution pipe that extends into water tank, water distribution branch pipe is connected with shower head and inserts into tower body, flow guide vane is equipped between water distribution branch pipe and air inlet pipe in tower body, the part between water distribution branch pipe and flow guide vane in tower body forms spray space, flow guide vane is wave-shaped structure, flow guide vane has multiple and sequentially arranged along horizontal direction, the space between every adjacent two flow guide vanes constitutes the flow guide channel that passes through up and down. The high-efficiency waste gas washing device of the utility model, by setting flow guide vane in tower, extend the flow time of waste gas and in tower, ensure that waste gas and washing liquid contact fully, and washing efficiency is high.

Description

Technical Field

[0001] This utility model relates to waste gas treatment equipment, and in particular, to a high-efficiency waste gas scrubbing device. Background Technology

[0002] A waste gas scrubbing tower is a new type of gas purification equipment that primarily relies on the absorption of pollutants from the gas by a scrubbing liquid. When waste gas enters the scrubbing tower, the scrubbing liquid comes into contact with acidic or alkaline substances in the waste gas, thereby absorbing the harmful substances and achieving purification.

[0003] The washing efficiency of an exhaust gas scrubbing tower largely depends on the sufficient contact between the exhaust gas and the scrubbing liquid. Currently, the washing method of exhaust gas scrubbing towers is spray washing, that is, the scrubbing liquid is pressurized by a circulating water pump and sprayed out from the top of the scrubbing tower in an atomized form, thereby contacting the rising exhaust gas inside the tower. In order to improve the washing efficiency of the scrubbing tower, Chinese patent publication number CN222286907U discloses an industrial exhaust gas scrubbing tower, including a body, a first pump body fixedly installed on one side of the body, a second liquid inlet pipe fixedly installed at the air inlet end of the first pump body, a second liquid outlet pipe fixedly installed at the liquid outlet end of the first pump body, one end of the second liquid outlet pipe inserted into the interior of the body and rotatably connected to a third liquid outlet pipe through a rotating joint, a second bevel gear fixedly installed on the outside of the third liquid outlet pipe, a motor fixedly installed on one side of the body, a rotating shaft fixedly installed on the output shaft of the motor, one end of the rotating shaft inserted into the interior of the body and fixedly installed with a first bevel gear, the first bevel gear and the second bevel gear meshing, and a nozzle fixedly installed on one end of the third liquid outlet pipe. When the aforementioned scrubbing tower is operating, the motor drives the third liquid outlet pipe to rotate via the first and second bevel gears, which in turn drives the nozzle to rotate. The rotation of the nozzle increases the diffusion range of the reaction liquid mist, allowing the reaction liquid mist to come into contact with more air and improving the treatment effect. However, in actual use, the exhaust gas flows straight upwards, and its longitudinal movement path is short, making it difficult to ensure a long contact time with the scrubbing liquid, thus the scrubbing efficiency needs further improvement. Utility Model Content

[0004] The technical problem to be solved by this utility model is: in order to overcome the problem of low washing efficiency of the exhaust gas scrubbing tower in the prior art, a high-efficiency exhaust gas scrubbing device that can further improve the washing efficiency of exhaust gas is provided.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a high-efficiency exhaust gas scrubbing device, including a tower body, a water tank and a water distribution system. An air inlet pipe is connected to the side wall at the bottom of the tower body, and a smoke exhaust port is connected to the bottom of the tower body. The water distribution system includes a main water distribution pipe and multiple branch water distribution pipes connected to the main water distribution pipe. A water distribution pipe extending into the water tank is connected to the main water distribution pipe. A nozzle is connected to the branch water distribution pipe and inserted into the tower body. A guide vane is provided in the tower body between the branch water distribution pipe and the air inlet pipe. A spray space is formed in the part of the tower body between the branch water distribution pipe and the guide vane. The guide vane has a wave-shaped structure. There are multiple guide vanes arranged in sequence along the horizontal direction. The space between each two adjacent guide vanes forms a vertically connected guide channel.

[0006] Furthermore, the inner cavity of the tower body is a cuboid cavity structure, the guide vanes are vertically arranged, and the opposite sides of the guide vanes are fixedly connected to the opposite side walls of the tower body.

[0007] Furthermore, the guide vane is made of aluminum alloy.

[0008] Furthermore, the top of the guide vane extends vertically upward to form an extension portion, and a vertical channel is formed between two adjacent extension portions.

[0009] Furthermore, multiple water distribution branch pipes are connected to the main water distribution pipe at equal intervals along the horizontal direction, and multiple nozzles on each water distribution branch pipe are arranged at equal intervals along the length of the water distribution branch pipe.

[0010] Furthermore, a slot communicating with the water tank is provided on the side wall below the tower body, and a filter screen is installed in the slot.

[0011] Furthermore, a cleaning port is provided on the side wall below the tower body, and an inspection door is detachably installed on the cleaning port.

[0012] Furthermore, a dustproof net is installed on the side wall of the tower body at the location where it connects with the air inlet pipe, and the air inlet pipe is detachably connected to the tower body.

[0013] The beneficial effects of this utility model are as follows: The high-efficiency exhaust gas scrubbing device of this utility model has a curved flow channel formed by the guide vanes, which prolongs the flow time of the exhaust gas in the tower body, thereby allowing the exhaust gas to contact the scrubbing liquid for a longer period of time. At the same time, the sprayed scrubbing liquid will adhere to the side wall of the guide vanes. When flowing downward along the side wall of the guide vanes, the exhaust gas will impact the surface of the guide vanes under the action of the tortuous flow channel, thereby promoting the contact between the exhaust gas and the scrubbing liquid and improving the scrubbing effect. In addition, the wavy structure of the guide vanes can adhere more scrubbing liquid, which helps the exhaust gas to contact the scrubbing liquid. Moreover, the scrubbing liquid spray in the spray space can perform secondary scrubbing on the exhaust gas, further improving the scrubbing effect. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the structure of the high-efficiency waste gas scrubbing device of this utility model;

[0016] Figure 2 yes Figure 1 The top view of the connection structure between the main water distribution pipe and the water distribution pipe in the high-efficiency exhaust gas scrubbing device shown.

[0017] In the diagram: 1. Tower body, 11. Air inlet pipe, 12. Exhaust pipe, 101. Spraying space, 102. Groove, 103. Filter screen, 104. Impurity removal port, 105. Inspection door, 13. Dustproof net, 2. Water tank, 3. Water distribution system, 31. Main water distribution pipe, 32. Branch water distribution pipe, 321. Sprayer head, 33. Water distribution pipe, 331. Water pump, 4. Guide vane, 401. Guide channel, 41. Extension. Detailed Implementation

[0018] The present invention will now be described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0019] Please see Figure 1 , Figure 2This utility model provides a high-efficiency exhaust gas scrubbing device, including a tower body 1, a water tank 2, a water distribution system 3, and guide vanes 4. An air inlet pipe 11 is connected to the side wall at the bottom of the tower body 1, and an exhaust pipe 12 is connected to the top of the tower body 1. The water tank 2 is fixedly installed on the outer side wall at the bottom of the tower body 1 and communicates with the inner cavity of the tower body 1. The water distribution system 3 includes a main water distribution pipe 31 and multiple branch water distribution pipes 32 connected to the main water distribution pipe 31. A water distribution pipe 3 extending into the water tank 2 is connected to the main water distribution pipe 31. 3. Water distribution branch pipe 32 is inserted into the tower body 1. Each water distribution branch pipe 32 is connected to multiple nozzles 321. The guide vane 4 is located inside the tower body 1 and between the water distribution branch pipe 32 and the air inlet pipe 11. The part inside the tower body 1 between the water distribution branch pipe 32 and the guide vane 4 forms a spray space 101. The guide vane 4 has a wave-shaped structure. There are multiple guide vanes 4, which are arranged in sequence along the horizontal direction. The space between each two adjacent guide vanes 4 forms a vertically connected guide channel 401.

[0020] In this high-efficiency waste gas scrubbing device, waste gas generated during industrial production enters the tower body 1 through the inlet pipe 11, then flows upward through the guide channel 401, passes through the guide plate 4, and enters the spray space 101. Simultaneously, the scrubbing liquid contained in the water tank 2 enters the main water distribution pipe 31 through the water distribution pipe 33, then enters each branch water distribution pipe 32, and finally is sprayed out in a mist form through the nozzles 321. At this time, the mist-like scrubbing liquid comes into contact with the upward-flowing waste gas in the spray space 101 to scrub the waste gas. The scrubbed flue gas flows upward through the exhaust pipe 12 to the outside of the tower body 1, while the downward-flowing scrubbing liquid passes through the guide channel 401, passes through the guide plate 4, falls to the bottom of the tower body 1, and finally enters the water tank 2, thus achieving the recycling of the scrubbing liquid.

[0021] Because the guide vane 4 has a wavy structure, the guide channel 401 formed by the guide vane 4 is a curved channel, which prolongs the flow time of the exhaust gas within the tower body 1. This allows the exhaust gas to contact the washing liquid for a longer period. Simultaneously, the sprayed washing liquid adheres to the sidewall of the guide vane 4. As the exhaust gas flows downwards along the sidewall of the guide vane 4, the tortuous guide channel 401 impacts the surface of the guide vane 4, further promoting contact between the exhaust gas and the washing liquid, thus improving the washing effect. Furthermore, the wavy structure of the guide vane 4 allows for more washing liquid to adhere to its sidewall, further facilitating contact between the exhaust gas and the washing liquid. The exhaust gas flowing upwards through the guide channel 401 then contacts the atomized washing liquid again upon entering the spray space 101, achieving secondary washing and further enhancing the washing effect.

[0022] In this embodiment, the inner cavity of the tower body 1 is a rectangular hollow structure, and the guide vanes 4 are vertically arranged. The opposite sides of the guide vanes 4 are fixedly connected to the opposite side walls of the tower body 1, thereby realizing a fixed connection between the guide vanes 4 and the tower body 1. The guide vanes 4 and the tower body 1 can be fixedly connected by welding. Of course, in order to realize the detachable function of the guide vanes 4, the guide vanes 4 and the tower body 1 can also be fixed by bolts, plugs, or clips, so as to facilitate the maintenance and replacement of the guide vanes 4.

[0023] In a preferred embodiment, the guide vane 4 is made of aluminum alloy. Aluminum alloy is lightweight and strong, facilitating installation and extending the service life of the guide vane 4. Furthermore, both sides of the guide vane 4 are anodized to form a dense protective oxide film on its surface, enhancing its corrosion resistance. Additionally, the surface of the guide vane 4 is smooth, which facilitates the flow of exhaust gas and prevents adhering impurities formed after the exhaust gas comes into contact with the washing liquid from adhering to the surface of the guide vane 4.

[0024] In addition, the top of the guide vane 4 extends vertically upward to form an extension 41. The extension 41 has a flat plate structure, and a vertical channel is formed between two adjacent extensions 41. This vertical channel is connected to the guide channel 401. The vertical channel allows the exhaust gas passing through the guide channel 401 to enter the spray space 101 in a vertical direction, which helps the exhaust gas to flow smoothly towards the exhaust pipe 12.

[0025] Multiple water distribution branch pipes 32 are connected to the water distribution main pipe 31 at equal intervals in the horizontal direction. At the same time, multiple nozzles 321 on each water distribution branch pipe 32 are arranged at equal intervals along the length of the water distribution branch pipe 32 to achieve uniform spraying throughout the tower body 1.

[0026] In this embodiment, a slot 102 communicating with a water tank 2 is provided on the side wall below the tower body 1, and a filter screen 103 is installed in the slot 102. During use, the washing liquid, after washing, falls to the bottom of the tower body 1 after passing through the guide plate 4. The filter screen 103 blocks adhering impurities, allowing only the washing liquid to pass through the filter screen 103 and enter the water tank 2. Thus, by setting the filter screen 103, the cleanliness of the washing liquid during circulation is ensured, guaranteeing the washing effect. Simultaneously, impurities are prevented from entering the water distribution system 3, preventing pipe blockage. Furthermore, a debris removal port 104 is provided on the side wall below the tower body 1, and a maintenance door 105 is detachably installed on the debris removal port 104. During use, when a large amount of impurities accumulate at the bottom of the tower body 1, the user can open the maintenance door 105 and clean the impurities inside the tower body 1 through the debris removal port 104.

[0027] In this embodiment, a water pump 331 is installed on the water distribution pipe 33.

[0028] In a preferred embodiment, a dustproof net 13 is installed on the side wall of the tower body 1 at the junction with the air inlet pipe 11. The dustproof net 13 is used to prevent excessively large impurity particles from entering the tower body 1. The air inlet pipe 11 is detachably connected to the tower body 1. When a large amount of impurities accumulate in the air inlet pipe 11, the user can remove the air inlet pipe 11 to clean the impurities inside.

[0029] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the scope of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A high-efficiency waste gas washing device, comprising a tower body, a water tank and a water distribution system, a side wall at the bottom of the tower body is connected with an air inlet pipe, and the bottom of the tower body is connected with a smoke outlet, characterized in that: The water distribution system includes a main water distribution pipe and multiple branch water distribution pipes connected to the main water distribution pipe. A water distribution pipe extending into the water tank is connected to the main water distribution pipe. A nozzle is connected to the branch water distribution pipe and inserted into the tower body. A guide vane is provided in the tower body between the branch water distribution pipe and the air inlet pipe. A spray space is formed in the part of the tower body between the branch water distribution pipe and the guide vane. The guide vane has a wave-shaped structure. There are multiple guide vanes arranged in sequence along the horizontal direction. The space between each two adjacent guide vanes forms a vertically connected guide channel.

2. The high efficiency off-gas scrubbing device of claim 1, wherein: The inner cavity of the tower body is a cuboid hollow structure, the guide vanes are vertically arranged, and the opposite sides of the guide vanes are fixedly connected to the opposite side walls of the tower body.

3. The high-efficiency waste gas scrubbing device as described in claim 1 or 2, characterized in that: The guide vane is made of aluminum alloy.

4. The high-efficiency waste gas scrubbing device as described in claim 1 or 2, characterized in that: The top of the guide vane extends vertically upward to form an extension portion, and a vertical channel is formed between two adjacent extension portions.

5. The high-efficiency waste gas scrubbing device as described in claim 1, characterized in that: Multiple water distribution branch pipes are connected to the main water distribution pipe at equal intervals along the horizontal direction, and multiple nozzles on each water distribution branch pipe are arranged at equal intervals along the length of the water distribution branch pipe.

6. The high-efficiency waste gas scrubbing device as described in claim 1, characterized in that: A slot communicating with the water tank is provided on the side wall below the tower body, and a filter screen is installed in the slot.

7. The high-efficiency waste gas scrubbing device as described in claim 1, characterized in that: A cleaning port is provided on the side wall below the tower body, and an inspection door is detachably installed on the cleaning port.

8. The high-efficiency waste gas scrubbing device as described in claim 1, characterized in that: A dustproof net is installed on the side wall of the tower body at the part where it connects with the air inlet pipe, and the air inlet pipe is detachably connected to the tower body.

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