Waste gas treatment absorption tower

Abstract

The utility model provides an absorption tower for waste gas treatment, which relates to the technical field of waste gas treatment and comprises a tower body, a gas inlet pipe is mounted on one side of the lower end in the tower body in a penetrating manner, a spraying mechanism is mounted at the upper end in the tower body, and a temporary storage barrel is mounted in the middle in the tower body and positioned between the gas inlet pipe and the spraying mechanism. And a plurality of filler layers are mounted in the temporary storage cylinder. Liquid flows to push the impeller to rotate, the impeller drives the second rotating shaft to rotate, the first rotating shaft drives the temporary storage box and the spray head to rotate through transmission of the chain and the chain wheel, multi-angle spraying is achieved, compared with a fixed spray head, multi-angle spraying can enable water mist to cover waste gas more comprehensively, the contact area of the water mist and the waste gas is greatly increased, and the spraying efficiency is improved. Therefore, harmful substances in the waste gas are absorbed more sufficiently, and the waste gas treatment effect is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and more specifically, to a waste gas treatment absorption tower. Background Technology

[0002] Waste gas refers to toxic and harmful gases emitted by humans during production and daily life. When treating waste gas, it is often necessary to process it through an absorption tower. For example, an absorption tower for waste gas treatment, as proposed in application number "CN202223533343.3", includes an absorption tower body. An air inlet is installed on one side of the lower part of the absorption tower body, and a water tank is located below the other side of the absorption tower body. A booster pump is installed above the water tank, and a water delivery pipe is connected above the booster pump, with a spray head installed at the end of the water delivery pipe. Inclined plates are installed on both sides of the absorption tower body. Limiting posts are installed on both sides of the inner wall of the absorption tower body, and a packing box is installed inside the limiting posts. A gas-liquid separation box is installed above the packing box.

[0003] However, in the above technical solutions, the spray nozzles are usually fixed when the spraying mechanism is working, and can only spray the exhaust gas within a fixed angle range. This results in a limited contact area between the water mist and the exhaust gas, which cannot fully absorb the harmful substances in the exhaust gas, making the exhaust gas treatment effect less than ideal. Therefore, we propose an exhaust gas treatment absorption tower to solve the above problems. Utility Model Content

[0004] The main purpose of this utility model is to provide a waste gas treatment absorption tower, which solves the problem that when the spray mechanism is working, the nozzles are usually fixed and can only spray the waste gas within a fixed angle range. This results in a limited contact area between the water mist and the waste gas, which cannot fully absorb the harmful substances in the waste gas, and the waste gas treatment effect is not ideal.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A waste gas treatment absorption tower includes a tower body, an air inlet pipe installed through one side of the lower end of the tower body, a spray mechanism installed at the upper end of the tower body, a temporary storage cylinder installed in the middle of the tower body, the temporary storage cylinder being located between the air inlet pipe and the spray mechanism, and several packing layers installed inside the temporary storage cylinder. A liquid outlet pipe is installed through the lower end of the tower body. The spray mechanism includes a first fixed frame, which is fixedly installed in the middle of the upper end of the tower body. A first rotating shaft is movably installed through the first fixed frame. A guide cylinder is installed at the lower end of the first rotating shaft, and the guide cylinder is movably located at the lower end of the first fixed frame. A temporary storage box is installed at the lower end of the guide cylinder, and the temporary storage box and the guide cylinder are connected through the temporary storage box. Several diversion frames are installed through the outside of the temporary storage box, and several nozzles are installed at the lower end of the diversion frames. The nozzles are parallel to the packing layers vertically. An air inlet pipe is installed through the upper end of the tower body, and the air inlet pipe is connected to the guide cylinder.

[0007] Preferably, a limiting plate is installed on the outer side of the first rotating shaft, and the limiting plate is engaged inside the first fixed frame.

[0008] Preferably, a sealing cover is fitted onto the outer side of the guide tube, and a plurality of through holes are provided through one end of the guide tube located inside the sealing cover. A positioning slider is installed at the lower end of the sealing cover, and the lower end of the positioning slider is fitted onto the upper part of the inner side of the temporary storage box.

[0009] Preferably, a second fixing frame is installed at one end of the upper side of the tower body, and a connecting pipe is installed through the lower end of the second fixing frame and the sealing cover. The end of the liquid inlet pipe located inside the tower body is installed through the upper end of the second fixing frame.

[0010] Preferably, a second rotating shaft is movably installed through the upper part of the second fixed frame, an impeller is movably installed inside the second fixed frame, and the shaft of the second rotating shaft is installed through the impeller inside the second fixed frame.

[0011] Preferably, sprockets are installed on the upper ends of the shafts of the second shaft and the first shaft, and a chain is sleeved between the sprockets.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] (1) This utility model drives the impeller to rotate through the flow of liquid. The impeller drives the second shaft to rotate. Through the chain and sprocket transmission, the first shaft drives the temporary storage box and the nozzle to rotate, realizing multi-angle spraying. Compared with fixed nozzles, multi-angle spraying can make the water mist cover the exhaust gas more comprehensively, greatly increasing the contact area between the water mist and the exhaust gas, thereby more fully absorbing the harmful substances in the exhaust gas and effectively improving the exhaust gas treatment effect.

[0014] (2) In this utility model, the liquid enters the temporary storage box through the inlet pipe, the second fixed frame and the connecting pipe in sequence. The entire process uses the power generated by the liquid flow to drive the impeller, which in turn drives the nozzle to rotate. No additional power device is required, which simplifies the structure and reduces the cost. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a waste gas treatment absorption tower according to the present invention;

[0016] Figure 2 This is a front view schematic diagram of the structure of a waste gas treatment absorption tower according to the present invention;

[0017] Figure 3 This is a side view of the structure of a waste gas treatment absorption tower according to the present invention.

[0018] Figure 4 This utility model relates to an absorption tower for treating waste gas. Figure 3 Schematic diagram of the cross-sectional structure at point AA;

[0019] Figure 5 This utility model relates to an absorption tower for treating waste gas. Figure 2 Schematic diagram of the cross-sectional structure at point BB;

[0020] Figure 6 This utility model relates to an absorption tower for treating waste gas. Figure 4 Enlarged structural diagram at point C;

[0021] Figure 7 This utility model relates to an absorption tower for treating waste gas. Figure 5 Enlarged structural diagram at point D.

[0022] In the diagram: 1. Tower body; 2. Air inlet pipe; 3. Spraying mechanism; 301. First fixed frame; 302. First rotating shaft; 303. Limiting plate; 304. Guide tube; 305. Temporary storage box; 306. Diverter; 307. Spray head; 308. Sealing cover; 309. Through hole; 310. Connecting pipe; 311. Second fixed frame; 312. Liquid inlet pipe; 313. Second rotating shaft; 314. Sprocket; 315. Chain; 316. Impeller; 317. Positioning slider; 4. Liquid outlet pipe; 5. Temporary storage box; 6. Packing layer. Detailed Implementation

[0023] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0024] like Figures 1 to 7 As shown in the figure, this utility model embodiment proposes a waste gas treatment absorption tower, including a tower body 1. An air inlet pipe 2 is installed through one side of the lower end of the tower body 1. A spraying mechanism 3 is installed at the upper end of the tower body 1. A temporary storage cylinder 5 is installed in the middle of the tower body 1, located between the air inlet pipe 2 and the spraying mechanism 3. Several packing layers 6 are installed inside the temporary storage cylinder 5. A liquid outlet pipe 4 is installed through the lower end of the tower body 1. The spraying mechanism 3 includes a first fixing frame 301, which is fixedly installed in the middle of the upper end of the tower body 1. The interior of the first fixing frame 301 is movable through... A first rotating shaft 302 is installed, and a guide tube 304 is installed at the lower end of the first rotating shaft 302. The guide tube 304 is movably located at the lower end of the first fixed frame 301. A temporary storage box 305 is installed at the lower end of the guide tube 304, and the temporary storage box 305 and the guide tube 304 are connected through each other. Several diversion racks 306 are installed through the outside of the temporary storage box 305. Several nozzles 307 are installed at the lower end of the inside of the diversion racks 306. The nozzles 307 are parallel to the packing layer 6 vertically. A liquid inlet pipe 312 is installed through the upper end of the inside of the tower body 1 and is connected to the guide tube 304.

[0025] like Figures 4 to 7 As shown, in another embodiment of this utility model, a limiting disc 303 is installed on the outer side of the first rotating shaft 302. The limiting disc 303 is engaged with the inside of the first fixing frame 301. A sealing cover 308 is engaged with the outer side of the guide cylinder 304. A plurality of through holes 309 are provided through one end of the guide cylinder 304 located inside the sealing cover 308. A positioning slider 317 is installed at the lower end of the sealing cover 308. The lower end of the positioning slider 317 is engaged with the upper end of the temporary storage box 305. A second fixing frame 311 is installed at one end of the upper side of the tower body 1. The interior of the second fixing frame 311... A connecting pipe 310 is installed through the lower end and the sealing cover 308. One end of the liquid inlet pipe 312 located inside the tower body 1 is installed through the upper end of the second fixed frame 311. A second rotating shaft 313 is movably installed through the upper end of the second fixed frame 311. An impeller 316 is movably installed inside the second fixed frame 311. The shaft of the second rotating shaft 313 located inside the second fixed frame 311 is installed through the impeller 316. A sprocket 314 is installed at the upper end of the shafts of the second rotating shaft 313 and the first rotating shaft 302, respectively. A chain 315 is sleeved between the sprockets 314.

[0026] During operation, waste gas containing harmful substances enters the tower body 1 through the inlet pipe 2, allowing the waste gas to flow upwards. Simultaneously, the treatment liquid enters the tower body 1 through the liquid inlet pipe 312. The liquid first flows into the second fixed frame 311, then through the connecting pipe 310 into the sealing cover 308, and finally through the through hole 309 on the guide cylinder 304 into the temporary storage tank 305. As the liquid flows through the second fixed frame 311, the fluid impacts the impeller 316, causing it to rotate. The impeller 316 is driven by the power generated by the liquid's own flow, eliminating the need for an additional power unit, simplifying the equipment structure, and reducing equipment costs and energy consumption. The impeller 316 then drives the second rotating shaft 313 to rotate. The second rotating shaft 313 is connected to the first rotating shaft 302 via a sprocket 314 and a chain 315. Thus, when the second rotating shaft 313 rotates, the first rotating shaft 302 rotates via the sprocket 314 and chain 315. The lower end of the rotating shaft 302 is connected to the temporary storage box 305 and the nozzle 307. Therefore, when the first rotating shaft 302 rotates, it can drive the temporary storage box 305 and the nozzle 307 to rotate together. Compared with the traditional fixed nozzle, the multi-angle rotating nozzle 307 can make the water mist cover the exhaust gas more comprehensively, greatly increasing the contact area between the water mist and the exhaust gas, thereby more fully absorbing the harmful substances in the exhaust gas and effectively improving the exhaust gas treatment effect. Then, the water mist sprayed by the nozzle 307 fully contacts the rising exhaust gas in the middle of the tower body 1. The packing layer 6 in the temporary storage cylinder 5 further increases the gas-liquid contact area and contact time. The presence of the packing layer 6 provides more reaction sites for the gas-liquid reaction, so that the harmful substances in the exhaust gas can be more fully absorbed by the absorbent liquid, strengthening the absorption process and improving the absorption efficiency. Finally, the liquid that has absorbed the harmful substances in the exhaust gas flows downward under the action of gravity and is finally discharged into the interior of the tower body 1 through the liquid outlet pipe 4, which facilitates the collection and discharge of the treated waste liquid and facilitates the subsequent centralized treatment of the waste liquid.

[0027] The working principle of this type of waste gas treatment absorption tower:

[0028] In operation, the waste gas containing harmful substances first enters the tower body 1 through the inlet pipe 2, allowing it to flow upwards. Simultaneously, the treatment liquid enters the tower body 1 through the liquid inlet pipe 312. The liquid then flows into the second fixed frame 311, then through the connecting pipe 310 into the sealing cover 308, and finally through the through hole 309 on the guide cylinder 304 into the temporary storage tank 305. As the liquid flows through the second fixed frame 311, it impacts the impeller 316, causing it to rotate. The impeller 316 is driven by the power generated by the liquid's own flow. The impeller 316 then drives the second rotating shaft 313 to rotate. The second rotating shaft 313 and the first rotating shaft 302 are connected by a sprocket 314 and a chain 31. 5. A transmission connection is established so that when the second rotating shaft 313 rotates, it is driven by the sprocket 314 and chain 315. Then, when the first rotating shaft 302 rotates, it can drive the temporary storage box 305 and the nozzle 307 to rotate together, realizing the multi-angle spraying of liquid. Then, the water mist sprayed by the nozzle 307 fully contacts the rising exhaust gas in the middle of the tower body 1. The packing layer 6 in the temporary storage box 5 further increases the gas-liquid contact area and contact time. The presence of the packing layer 6 provides more reaction sites for gas-liquid reaction, so that the harmful substances in the exhaust gas can be more fully absorbed by the absorbent liquid, strengthening the absorption process and improving the absorption efficiency. Finally, the liquid that has absorbed the harmful substances in the exhaust gas flows downward under the action of gravity and is finally discharged from the tower body 1 through the liquid outlet pipe 4.

[0029] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A waste gas treatment absorption tower, comprising a tower body (1), characterized in that: An air inlet pipe (2) is installed through one side of the lower end of the tower body (1). A spraying mechanism (3) is installed at the upper end of the tower body (1). A temporary storage cylinder (5) is installed in the middle of the tower body (1). The temporary storage cylinder (5) is located between the air inlet pipe (2) and the spraying mechanism (3). Several packing layers (6) are installed inside the temporary storage cylinder (5). A liquid outlet pipe (4) is installed through the lower end of the tower body (1). The spraying mechanism (3) includes a first fixing frame (301). The first fixing frame (301) is fixedly installed in the middle of the upper end of the tower body (1). A first rotating shaft (302) is movably installed through the inside of the first fixing frame (301). A guide tube (304) is installed at the lower end of the first rotating shaft (302). The guide tube (304) is movably located at the lower end of the first fixed frame (301). A temporary storage box (305) is installed at the lower end of the guide tube (304), and the temporary storage box (305) and the guide tube (304) are connected through each other. Several diversion racks (306) are installed through the outside of the temporary storage box (305). Several nozzles (307) are installed at the lower end of the inside of the diversion racks (306). The nozzles (307) are parallel to the packing layer (6) vertically. An inlet pipe (312) is installed through the upper end of the inside of the tower body (1). The inlet pipe (312) is connected to the guide tube (304).

2. The waste gas treatment absorption tower according to claim 1, characterized in that: A limiting plate (303) is installed on the outer side of the first rotating shaft (302), and the limiting plate (303) is engaged inside the first fixing frame (301).

3. The waste gas treatment absorption tower according to claim 1, characterized in that: A sealing cover (308) is fitted onto the outer side of the guide tube (304). A plurality of through holes (309) are provided through one end of the guide tube (304) inside the sealing cover (308). A positioning slider (317) is installed at the lower end of the sealing cover (308). The lower end of the positioning slider (317) is fitted onto the upper part of the interior of the temporary storage box (305).

4. The waste gas treatment absorption tower according to claim 1, characterized in that: A second fixing frame (311) is installed at one end of the upper side of the tower body (1). A connecting pipe (310) is installed between the lower end of the second fixing frame (311) and the sealing cover (308). The liquid inlet pipe (312) is installed at one end inside the tower body (1) and at the upper end of the second fixing frame (311).

5. The waste gas treatment absorption tower according to claim 4, characterized in that: The upper part of the second fixed frame (311) is movably installed with a second rotating shaft (313), and the impeller (316) is movably installed inside the second fixed frame (311). The shaft of the second rotating shaft (313) located inside the second fixed frame (311) is installed inside the impeller (316).

6. The waste gas treatment absorption tower according to claim 5, characterized in that: The second rotating shaft (313) and the upper end of the first rotating shaft (302) are respectively equipped with sprockets (314), and a chain (315) is sleeved between the sprockets (314).

Images