An alkali washing tower for a metal porous composite catalytic material
By introducing a V-shaped filter screen and a rotating cleaning structure into the alkali washing tower, the problem of impurity clogging was solved, achieving uniform spraying of alkali solution and automatic cleaning of impurities, thus improving the operational stability and continuity of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUZHOU JIUYUE NEW MATERIAL CO LTD
- Filing Date
- 2025-08-19
- Publication Date
- 2026-08-04
AI Technical Summary
When existing alkaline scrubbing towers treat acidic gases generated by porous metal composite catalysts, impurities in the exhaust gas can easily clog the spray pipes and nozzles, affecting the stable operation of the equipment.
The system uses a V-shaped filter to filter impurities in the alkali solution, and a rotating assembly and cleaning structure ensure uniform spraying of the alkali solution and timely removal of impurities to avoid clogging. The design includes a feed pump, a vortex tube and nozzle, a first motor driving a bevel gear set, and a second motor driving a spiral conveyor plate to achieve uniform spraying of the alkali solution and automatic removal of impurities.
It effectively filters impurities in alkaline solutions, prevents clogging of spray components, ensures stable equipment operation, improves acid-base neutralization efficiency, and can clean impurities without stopping the machine, enhancing the continuous operation capability of the equipment.
Smart Images

Figure CN224585659U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of waste gas treatment equipment, and in particular to an alkaline scrubbing tower for a metal porous composite catalytic material. Background Technology
[0002] Metal porous composite catalytic materials are high-performance catalytic materials formed by composite porous structures using metals or metal compounds as the matrix. During the production and processing of metal porous composite catalytic materials, acidic gases are generated. Direct emission of these gases would pollute the environment, so acid-base neutralization treatment is required through an alkaline scrubbing tower.
[0003] For example, Chinese patent document CN216259956U discloses an alkaline scrubbing tower, comprising a tower body and an exhaust gas inlet pipe. One end of the exhaust gas inlet pipe penetrates the side wall of the tower body and extends downwards. A packing layer is provided in the middle of the tower body. A circulating pump is fixedly installed on the outer wall of the tower body near the top, and the input end of the circulating pump is connected to the tower body. The output end of the circulating pump is connected to a liquid delivery pipe. A fixing plate is installed on the inner wall of the tower body near the top, and an annular opening is provided on the fixing plate. A spray pipe is provided inside the annular opening, and multiple nozzles are connected to the bottom of the spray pipe. A sealing rotating assembly is installed between the spray pipe and the liquid delivery pipe. An exhaust port is provided at the top of the tower body, and a drive motor is provided below the exhaust port. A bracket is fixedly connected between the drive motor and the inner wall of the tower body. This application enables the sprayed alkaline solution to evenly cover all areas inside the tower body, facilitating full contact between the exhaust gas and the alkaline solution, thereby effectively improving the exhaust gas treatment effect.
[0004] During the use of the above-mentioned alkaline scrubbing tower, impurities in the exhaust gas will be mixed into the alkaline solution, which can easily cause blockage of the spray pipes and nozzles, affecting the performance of the alkaline scrubbing tower. Utility Model Content
[0005] The purpose of this invention is to provide an alkaline washing tower for porous metal composite catalysts to solve the problems and defects mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an alkaline washing tower for a porous metal composite catalytic material, comprising a bottom box, a middle box spliced to the top of the bottom box, a top box spliced to the top of the middle box, an air inlet pipe fixedly installed on one side of the bottom box, a support mesh plate fixedly installed on the inner wall of the middle box, packing placed on the top of the support mesh plate, a demister fixedly installed on the inner wall of the top box, and a spray assembly disposed on the bottom box and the top box. A rotating component is disposed on one side of the spray assembly. Through the cooperation of the rotating component and the spray assembly, the alkaline solution is driven to be evenly sprayed into the interior of the alkaline washing tower. A V-shaped filter screen fixedly installed on the inner wall of the bottom box can effectively filter impurities in the alkaline solution, avoid clogging of the spray components, and ensure stable operation of the equipment. A cleaning structure is disposed on the top of the V-shaped filter screen for cleaning the filtered impurities.
[0007] Preferably, the spray assembly includes a pump, a pumping pipe, a conveying pipe, a turnover box, a vortex tube, and a nozzle. The pump is fixedly installed on the front outer wall of the bottom box. One end of the pumping pipe is fixedly connected to the input end of the pump, and the other end of the pumping pipe passes through the front of the bottom box and communicates with the interior of the bottom box. One end of the conveying pipe is fixedly connected to the output end of the pump, and one end of the conveying pipe passes through the front of the top box and is fixedly installed on the turnover box. The vortex tube is rotatably installed on the bottom of the turnover box, and the nozzle is fixedly installed on the bottom of the vortex tube.
[0008] Preferably, the rotating assembly includes a first motor, a first rotating shaft, bevel gear A, and bevel gear B. The first motor is fixedly installed on the outer wall of the other side of the top box, the first rotating shaft is rotatably installed on the other side of the top box, bevel gear A is fixedly installed on one end of the first rotating shaft, bevel gear B is fixedly installed on the outer wall of the vortex tube, and bevel gear B meshes with bevel gear A. The output shaft of the first motor is fixedly installed on the other end of the first rotating shaft, which can drive the vortex tube and the nozzle to rotate at a uniform speed, so that the alkali solution is sprayed evenly and the acid-base neutralization efficiency is improved.
[0009] Preferably, the cleaning structure includes a discharge pipe, a second motor, a second rotating shaft, and a spiral conveyor plate. The discharge pipe is fixedly installed on the other side of the bottom box, the second motor is fixedly installed on the outer wall of one side of the discharge pipe, the second rotating shaft is rotatably installed on one side of the discharge pipe, the spiral conveyor plate is fixedly installed on the outer wall of the second rotating shaft, the output shaft of the second motor is fixedly installed on one end of the second rotating shaft, and the second rotating shaft contacts the top of the V-shaped filter screen, which can push the impurities filtered by the V-shaped filter screen to the material box. Cleaning can be completed without stopping the machine, maintaining the filtration effect while improving the continuous operation capability of the equipment.
[0010] Preferably, the inner wall of the bottom box and the inner wall of the middle box are provided with sealing grooves, and sealing rings are provided in the sealing grooves.
[0011] Preferably, a material box is threadedly installed at the bottom end of the discharge pipe, and a sealing ring is provided between the discharge pipe and the material box.
[0012] Preferably, the V-shaped filter screen, discharge pipe, second motor, second rotating shaft, and spiral conveyor are all arranged at an angle.
[0013] Preferably, the nozzle is rotatably mounted with a partition, which is fixedly installed on the outer wall of the turnover box.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] The alkaline washing tower for this porous metal composite catalytic material uses a pump to deliver the alkaline solution to a transfer box. A first motor drives a bevel gear set to rotate the vortex tube and nozzles, ensuring uniform spraying of the alkaline solution and improving acid-base neutralization efficiency. A V-shaped filter effectively filters impurities in the alkaline solution, preventing clogging of the spray components and ensuring stable equipment operation. A second motor in the cleaning structure drives a spiral conveyor to push the filtered impurities to the material box, completing the cleaning without stopping the machine, maintaining the filtration effect while improving the continuous operation capability of the equipment. The splicing design of the bottom box, middle box, and top box, as well as the sealing rings in the sealing groove, enhances the equipment's sealing performance and reduces exhaust gas leakage. The bottom box, middle box, and top box are detachable for easy transportation and maintenance. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a sectional view of the bottom box, middle box, and top box of this utility model;
[0019] Figure 3 This is a cross-sectional view of the turnover box of this utility model.
[0020] Reference numerals: 1. Bottom box; 2. Middle box; 3. Top box; 4. Air inlet pipe; 5. Support mesh plate; 6. Packing material; 7. Demister; 8. Pump; 9. Extraction pipe; 10. Conveying pipe; 11. Turnover box; 12. Vortex tube; 13. Nozzle; 14. First motor; 15. First shaft; 16. Bevel gear A; 17. Bevel gear B; 18. Partition plate; 19. Sealing ring; 20. V-shaped filter screen; 21. Discharge pipe; 22. Second motor; 23. Second shaft; 24. Spiral conveyor plate; 25. Material box. Detailed Implementation
[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0022] Please see Figure 1-3This utility model provides a technical solution: an alkaline washing tower for a porous metal composite catalytic material, comprising a bottom box 1, a middle box 2 spliced to the top of the bottom box 1, a top box 3 spliced to the top of the middle box 2, an air inlet pipe 4 fixedly installed on one side of the bottom box 1, a support mesh plate 5 fixedly installed on the inner wall of the middle box 2, a packing 6 placed on the top of the support mesh plate 5, a demister 7 fixedly installed on the inner wall of the top box 3, and a spray assembly disposed on the bottom box 1 and the top box 3. A rotating component is disposed on one side of the spray assembly. Through the cooperation of the rotating component and the spray assembly, the alkaline solution is driven to be evenly sprayed into the interior of the alkaline washing tower. A V-shaped filter screen 20 fixedly installed on the inner wall of the bottom box 1 can effectively filter impurities in the alkaline solution, avoid clogging the spray components, and ensure stable operation of the equipment. A cleaning structure is disposed on the top of the V-shaped filter screen 20 for cleaning the filtered impurities.
[0023] Furthermore, the spray assembly includes a pump 8, a pump pipe 9, a conveying pipe 10, a turnover box 11, a vortex tube 12, and a nozzle 13. The pump 8 is fixedly installed on the front outer wall of the bottom box 1. One end of the pump pipe 9 is fixedly connected to the input end of the pump 8, and the other end of the pump pipe 9 passes through the front side of the bottom box 1 and communicates with the interior of the bottom box 1. One end of the conveying pipe 10 is fixedly connected to the output end of the pump 8, and one end of the conveying pipe 10 passes through the front side of the top box 3 and is fixedly installed on the turnover box 11. The vortex tube 12 is rotatably installed on the bottom of the turnover box 11, and the nozzle 13 is fixedly installed on the bottom of the vortex tube 12.
[0024] Furthermore, the rotating assembly includes a first motor 14, a first rotating shaft 15, a bevel gear A16, and a bevel gear B17. The first motor 14 is fixedly installed on the outer wall of the other side of the top box 3. The first rotating shaft 15 is rotatably installed on the other side of the top box 3. The bevel gear A16 is fixedly installed on one end of the first rotating shaft 15. The bevel gear B17 is fixedly installed on the outer wall of the vortex tube 12, and the bevel gear B17 meshes with the bevel gear A16. The output shaft of the first motor 14 is fixedly installed on the other end of the first rotating shaft 15, which can drive the vortex tube 12 and the nozzle 13 to rotate at a uniform speed, so that the alkali solution is sprayed evenly and the acid-base neutralization efficiency is improved.
[0025] Furthermore, the cleaning structure includes a discharge pipe 21, a second motor 22, a second rotating shaft 23, and a spiral conveyor 24. The discharge pipe 21 is fixedly installed on the other side of the base box 1. The second motor 22 is fixedly installed on the outer wall of one side of the discharge pipe 21. The second rotating shaft 23 is rotatably installed on one side of the discharge pipe 21. The spiral conveyor 24 is fixedly installed on the outer wall of the second rotating shaft 23. The output shaft of the second motor 22 is fixedly installed at one end of the second rotating shaft 23. The second rotating shaft 23 contacts the top of the V-shaped filter screen 20, which can push the impurities filtered by the V-shaped filter screen 20 to the material box. Cleaning can be completed without stopping the machine, maintaining the filtration effect while improving the continuous operation capability of the equipment.
[0026] Furthermore, sealing grooves are provided on the inner walls of the bottom box 1 and the middle box 2, and sealing rings 19 are installed in the sealing grooves.
[0027] Furthermore, a material box 25 is threadedly installed at the bottom end of the discharge pipe 21, and a sealing ring is provided between the discharge pipe 21 and the material box 25.
[0028] Furthermore, the V-shaped filter screen 20, the discharge pipe 21, the second motor 22, the second rotating shaft 23, and the spiral conveyor plate 24 are all arranged at an angle.
[0029] Furthermore, the nozzle 13 is rotatably mounted with a partition 18, which is fixedly mounted on the outer wall of the turnover box 11.
[0030] Working principle: Exhaust gas enters the bottom box 1 through the inlet pipe 4. The controller starts the suction pump 8, which extracts the alkaline solution from the bottom of the bottom box 1 through the suction pipe 9. The alkaline solution is injected into the transfer box 11 through the suction pipe 9, the suction pump 8, and the conveying pipe 10. The alkaline solution inside the transfer box 11 is sprayed into the alkaline washing tower through the vortex tube 12 and the nozzle 13. The first motor 14 is started, and the output shaft of the first motor 14 drives the first rotating shaft 15 and the bevel gear A16 to rotate. The rotation of the bevel gear A16 drives the bevel gear B17 and the vortex tube 12 to rotate. The rotating tube 12 and nozzle 13 cause the alkaline solution to be sprayed evenly into the alkaline washing tower. When the alkaline solution washes the acidic gas, the impurities in the gas fall to the bottom of the bottom box 1 along with the alkaline solution. The impurities in the alkaline solution are filtered by the V-shaped filter screen 20. The second motor 22 is started. The output shaft of the second motor 22 drives the second rotating shaft 23 and the spiral conveyor plate 24 to rotate. The rotation of the spiral conveyor plate 24 pushes the impurities on the top of the V-shaped filter screen 20, so that the impurities can be pushed into the material box 25, so as to avoid the impurities affecting the filtration effect of the V-shaped filter screen 20.
[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. An alkaline washing tower for a porous metal composite catalyst, comprising a bottom box (1), a middle box (2) spliced to the top of the bottom box (1), a top box (3) spliced to the top of the middle box (2), an air inlet pipe (4) fixedly installed on one side of the bottom box (1), a support mesh plate (5) fixedly installed on the inner wall of the middle box (2), packing material (6) placed on the top of the support mesh plate (5), and a demister (7) fixedly installed on the inner wall of the top box (3), characterized in that, Also includes: The spray assembly is installed on the bottom box (1) and the top box (3). A rotating component is installed on one side of the spray assembly. By using the rotating component and the spray assembly together, the alkali solution is driven to be sprayed evenly into the interior of the alkali washing tower. A V-shaped filter screen (20) is fixedly installed on the inner wall of the bottom box (1). A cleaning structure is provided on the top of the V-shaped filter screen (20) for cleaning the filtered impurities.
2. The caustic washing tower for a metal porous composite catalytic material according to claim 1, characterized in that: The spray assembly includes a pump (8), a pump pipe (9), a conveying pipe (10), a turnover box (11), a vortex tube (12), and a nozzle (13). The pump (8) is fixedly installed on the front outer wall of the bottom box (1). One end of the pump pipe (9) is fixedly connected to the input end of the pump (8). The other end of the pump pipe (9) passes through the front side of the bottom box (1) and communicates with the interior of the bottom box (1). One end of the conveying pipe (10) is fixedly connected to the output end of the pump (8). One end of the conveying pipe (10) passes through the front side of the top box (3) and is fixedly installed on the turnover box (11). The vortex tube (12) is rotatably installed on the bottom of the turnover box (11). The nozzle (13) is fixedly installed on the bottom of the vortex tube (12).
3. The caustic wash tower for a metal porous composite catalytic material according to claim 2, characterized in that: The rotating assembly includes a first motor (14), a first rotating shaft (15), a bevel gear A (16), and a bevel gear B (17). The first motor (14) is fixedly installed on the outer wall of the other side of the top box (3). The first rotating shaft (15) is rotatably installed on the other side of the top box (3). The bevel gear A (16) is fixedly installed on one end of the first rotating shaft (15). The bevel gear B (17) is fixedly installed on the outer wall of the vortex tube (12), and the bevel gear B (17) meshes with the bevel gear A (16). The output shaft of the first motor (14) is fixedly installed on the other end of the first rotating shaft (15).
4. The caustic wash tower for a metal porous composite catalytic material according to claim 3, characterized in that: The cleaning structure includes a discharge pipe (21), a second motor (22), a second rotating shaft (23), and a spiral conveyor (24). The discharge pipe (21) is fixedly installed on the other side of the bottom box (1). The second motor (22) is fixedly installed on the outer wall of one side of the discharge pipe (21). The second rotating shaft (23) is rotatably installed on one side of the discharge pipe (21). The spiral conveyor (24) is fixedly installed on the outer wall of the second rotating shaft (23). The output shaft of the second motor (22) is fixedly installed at one end of the second rotating shaft (23). The second rotating shaft (23) is in contact with the top of the V-shaped filter screen (20).
5. The caustic wash tower for a metal porous composite catalytic material according to claim 4, characterized in that: The inner wall of the bottom box (1) and the inner wall of the middle box (2) are both provided with sealing grooves, and sealing rings (19) are provided in the sealing grooves.
6. The caustic wash tower for a metal porous composite catalytic material according to claim 5, characterized in that: The bottom end of the discharge pipe (21) is threaded with a material box (25), and a sealing ring is provided between the discharge pipe (21) and the material box (25).
7. The caustic wash tower for a metal porous composite catalytic material according to claim 6, characterized in that: The V-shaped filter screen (20), discharge pipe (21), second motor (22), second rotating shaft (23), and spiral conveyor plate (24) are all inclined.
8. The caustic wash tower for a metal porous composite catalytic material according to claim 7, characterized in that: The nozzle (13) is rotatably mounted with a partition (18), which is fixedly mounted on the outer wall of the turnover box (11).