Pneumatic flow mixing device in spray tower

Abstract

The invention relates to the technical field of spray towers, and particularly discloses a pneumatic flow mixing device in a spray tower, the pneumatic flow mixing device comprises a cyclone cylinder and a water tank, the top of the water tank is provided with a spray device through a mounting rack, the cyclone cylinder is arranged below the spray device, the outer wall of the cyclone cylinder is provided with an air inlet, and the water tank is internally provided with a filtering mechanism; the filtering mechanism comprises a rotating plate, filtering plates are rotationally mounted on the two sides of the rotating plate, a driving mechanism is arranged in the water tank and comprises a mounting plate, the rotating plate is rotationally connected with the mounting plate, and cleaning mechanisms are arranged on the two sides of the mounting plate. According to the water tank, through the arranged cleaning mechanism, impurities at the tops of the two filter plates can be pushed and cleaned till the impurities are pushed from the tops of the two filter plates to the outside of the water tank, so that the effect of automatically cleaning and removing the impurities at the tops of the two filter plates is achieved, and the situation that the impurities are left in the water tank is avoided; the follow-up spraying water recycling is influenced.

Description

Technical Field

[0001] The present invention relates to the technical field of spray towers, and particularly relates to a pneumatic mixing device in a spray tower. Background Art

[0002] The pneumatic mixing spray tower is an efficient and environmentally friendly waste gas treatment device, also known as a cyclone tower, a hybrid swirl tower or a cyclone spray device. It combines pneumatic mixing technology with spray purification technology, and through the synergistic effect of centrifugal force and water mist spraying, it can effectively remove particulate matter, dust, paint mist and harmful gases in the waste gas, and is widely used in the field of industrial waste gas treatment. The pneumatic mixing device is the core component of the pneumatic mixing spray tower, and is usually composed of a cyclone cylinder, a spray system, a demisting device and a water circulation system.

[0003] In the existing spray tower during the waste gas purification process, by means of the water circulation system in the starting mixing device, the bottom water tank can be linked with the water pump to realize the recycling of water resources and avoid the waste of water resources; however, since the waste gas usually contains more impurities, after the spray water is mixed with the waste gas and returns downward to the inside of the water tank, it will cause more impurities to remain in the water tank. Although the existing water tank is provided with a filtering mechanism for filtering impurities to prevent the water pump from being blocked by impurities, it is not convenient for manual cleaning of the impurities filtered by the filtering mechanism, which will cause these impurities to remain in the water tank and affect the subsequent recycling of the spray water. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and propose a pneumatic mixing device in a spray tower.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions: A pneumatic mixing device in a spray tower, including a cyclone cylinder and a water tank. The top of the water tank is installed with a spray device through a mounting frame. The cyclone cylinder is installed below the spray device. An air inlet is provided on the outer wall of the cyclone cylinder. A filtering mechanism for filtering the spray water is provided inside the water tank. The filtering mechanism includes a rotating plate arranged inside the water tank. Filtering plates are rotatably installed on both sides of the rotating plate. A driving mechanism for driving the filtering plates to move inside the water tank is provided inside the water tank. The driving mechanism includes a mounting plate arranged inside the water tank. The rotating plate is rotatably connected to the mounting plate through a rotating shaft provided at the top. Cleaning mechanisms for automatically cleaning the impurities collected at the top of the filtering plates are provided on both sides of the mounting plate.

[0006] Optionally, a water pump is installed on the outer wall of one side of the water tank. The input end of the water pump extends into the water tank. The output end of the water pump is connected to the spray device through a water pipe. An outlet is provided on the outer wall of the water tank away from the water pump.

[0007] Optionally, a packing demisting device is installed on the top of the spraying device, and an air outlet is arranged on the top of the packing demisting device.

[0008] Optionally, fixing plates are installed on the outer walls on both sides of the water tank. Chutes are opened at the tops of the two fixing plates. Sliders are installed inside the two chutes. Telescopic cylinders are installed at the tops of the two sliders. Connecting plates are installed at the telescopic ends of the two telescopic cylinders. The bottoms of the two connecting plates away from the telescopic cylinders are connected to the mounting plate through connecting rods.

[0009] Optionally, two groups of first electric telescopic rods are installed inside the rotating plate. Limiting plates for limiting and fixing the filter plates are installed at the telescopic ends of the two groups of first electric telescopic rods. A plurality of blocking plates are installed at the bottoms of the two filter plates.

[0010] Optionally, the cleaning mechanism includes two fixed rods installed on the outer walls on both sides of the mounting plate. First grooves are opened on the outer walls of the two fixed rods close to each other. Lead screws are rotatably installed inside the two first grooves. A scraper is commonly threadedly installed on the outer walls of the two lead screws. Rectangular plates are arranged above the two scrapers. One of the scrapers is connected to the rectangular plate through a telescopic mechanism arranged inside.

[0011] Optionally, the telescopic mechanism includes a second groove opened inside one of the scrapers. A double-headed screw is rotatably installed inside the second groove. Two moving seats are threadedly installed on the outer wall of the double-headed screw. First rotating blocks are rotatably installed at the tops of the two moving seats.

[0012] Optionally, two second rotating blocks are rotatably installed at the bottom of one of the rectangular plates. The two second rotating blocks are connected to the first rotating block close to them through second electric telescopic rods.

[0013] Optionally, two thin films are preset inside the mounting plate. The ends of the two thin films away from each other are connected to the rectangular plates close to them.

[0014] Optionally, third electric telescopic rods are installed inside the two ends of the two rectangular plates. Waterproof cameras are installed at the telescopic ends of the two third electric telescopic rods. Protective plates for shielding and protecting the waterproof cameras are rotatably installed at the two ends of the two rectangular plates. Torsion springs are sleeved at the rotating parts at the two ends of the two protective plates.

[0015] The beneficial effects of the present invention are: 1. In this invention, through the arranged cleaning mechanism, after a large amount of impurities accumulate on the tops of the two filter plates, the driving mechanism is used to drive the two filter plates to move upward above the water tank. With the cooperation of multiple components of the cleaning mechanism, the impurities on the tops of the two filter plates are respectively pushed and cleaned until the impurities are pushed off the tops of the two filter plates and fall outside the water tank, so as to achieve the effect of automatically cleaning and removing the impurities on the tops of the two filter plates, avoiding the problem that impurities remain inside the water tank and affecting the subsequent recycling of the spray water circulation.

[0016] 2. In this invention, after the water inside the water tank is recycled multiple times, the concentration of the absorbent mixed inside it will be greatly reduced. At this time, the staff needs to add an appropriate amount of absorbent into the water tank. And in order to ensure that the absorbent can be fully mixed with the water, the driving mechanism is used to drive the two filter plates that rotate downward and are in an inclined state to move back and forth inside the water tank together, which can have the effect of stirring and mixing the water and absorbent inside the water tank, ensuring that the water can be evenly mixed with the absorbent.

[0017] 3. In this invention, when the water inside the water tank needs to be drained out of the water tank and replaced with new water after being recycled multiple times, the driving mechanism can still be used to drive the two filter plates that rotate downward and are in a vertical state to move from left to right inside the water tank, which can then push the water inside the water tank to quickly drain out from the water outlet, facilitating the quick drainage and replacement of the old water.

[0018] 4. In this invention, while the two filter plates in the vertical state rotate to push and drain the old water inside the water tank, since the three side walls of the two filter plates remain in contact with the three inner walls of the water tank, the impurities attached to the three inner walls of the water tank can be automatically scraped and cleaned at the same time. And this part of the cleaned impurities can also quickly drain out of the water tank along with the old water, avoiding the problem that it is not convenient to drain the impurities from the inside of the water tank when cleaning the impurities attached to the inner wall of the water tank separately later. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] For the convenience of those skilled in the art to understand, the present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a pneumatic mixing device in a spray tower proposed by the present invention; Figure 2 FIG. Figure 1 is a schematic diagram of the structure from another angle; Figure 3 FIG. Figure 4 is a sectional view of the structure of the water tank in the present invention; Figure 5Schematic diagram of the separation between the rotating plate and the mounting plate in the present invention; Figure 6 Schematic diagram of the bottom of two filter plates in the present invention; Figure 7 Cross-sectional view of the structure of the rotating plate in the present invention; Figure 8 Schematic diagram of the structure of the cleaning mechanism during use in the present invention; Figure 9 Schematic diagram of the structure of two lead screws and the scraper in the present invention; Figure 10 Schematic diagram of the structure of the telescopic mechanism in the present invention; Figure 11 Schematic diagram of the structure of the waterproof camera during use in the present invention; Figure 12 Schematic diagram of the structure for the downward rotation adjustment of two rotating plates in the present invention.

[0021] In the figure: 1. Water tank; 2. Spraying device; 3. Cyclone cylinder; 4. Air inlet; 5. Packing demisting device; 6. Air outlet; 7. Water pipe; 8. Water outlet; 9. Fixed plate; 10. Telescopic cylinder; 11. Connecting plate; 12. Connecting rod; 13. Water pump; 14. Chute; 15. Filter plate; 16. Mounting plate; 17. Slide block; 18. Sealing plate; 19. Fixed rod; 20. Scraper; 21. Rectangular plate; 22. Rotating plate; 23. Limiting plate; 24. First electric telescopic rod; 25. Lead screw; 26. Film; 27. Protective plate; 28. Second groove; 29. Double-headed screw; 30. Moving seat; 31. First rotating block; 32. Second electric telescopic rod; 33. Second rotating block; 34. Waterproof camera; 35. Third electric telescopic rod. Detailed implementation manners

[0022] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0023] Refer to Figures 1-12, A pneumatic mixing device in a spray tower, comprising a cyclone cylinder 3 and a water tank 1. The top of the water tank 1 is installed with a spray device 2 through a mounting frame. The cyclone cylinder 3 is installed below the spray device 2. An air inlet 4 is arranged on the outer wall of the cyclone cylinder 3. A filtering mechanism for filtering the spray water is arranged inside the water tank 1. The filtering mechanism includes a rotating plate 22 arranged inside the water tank 1. Filter plates 15 are rotatably installed on both sides of the rotating plate 22. A driving mechanism for driving the filter plates 15 to move inside the water tank 1 is arranged inside the water tank 1. The driving mechanism includes a mounting plate 16 arranged inside the water tank 1. The rotating plate 22 is rotatably connected to the mounting plate 16 through a rotating shaft arranged at the top. Cleaning mechanisms for automatically cleaning the impurities collected at the top of the filter plates 15 are arranged on both sides of the mounting plate 16. A first waterproof motor is preset inside the mounting plate 16, and the output end of the first waterproof motor is connected to the rotating shaft, so as to drive the rotating plate 22 to rotate and adjust at the bottom of the mounting plate 16.

[0024] As a technical optimization scheme of the present invention, a water pump 13 is installed on the outer wall of one side of the water tank 1. The input end of the water pump 13 extends into the water tank 1. The output end of the water pump 13 is connected to the spray device 2 through a water pipe 7. An outlet 8 is arranged on the outer wall of the water tank 1 away from the water pump 13. The water pump 13 pumps out the water inside the water tank 1 and transports it to the inside of the spray device 2 through the water pipe 7, so that the spray device 2 sprays the water inside the cyclone cylinder 3 through a plurality of nozzles, enabling the water to fully mix and contact with the waste gas entering the cyclone cylinder 3, achieving the effect of purifying the waste gas.

[0025] As a technical optimization scheme of the present invention, a packing demisting device 5 is installed on the top of the spray device 2. An air outlet 6 is arranged on the top of the packing demisting device 5. After the waste gas is mixed with water and part of the impurities inside it are removed, the waste gas is further processed by the packing demisting device 5, and the waste gas is further purified. The purified waste gas is discharged into the subsequent air purification equipment through the air outlet 6.

[0026] As a technical optimization scheme of the present invention, fixing plates 9 are installed on the outer walls of both sides of the water tank 1. Slide grooves 14 are opened at the tops of the two fixing plates 9. Sliders 17 are installed inside the two slide grooves 14. Telescopic cylinders 10 are installed at the tops of the two sliders 17. Connecting plates 11 are installed at the telescopic ends of the two telescopic cylinders 10. The bottoms of the two connecting plates 11 away from the telescopic cylinders 10 are connected to the mounting plate 16 through connecting rods 12. Linear motors are preset inside the two slide grooves 14. The two linear motors can drive the two sliders 17 to move back and forth inside the corresponding slide grooves 14, and then drive the two telescopic cylinders 10, connecting plates 11, connecting rods 12 and the mounting plate 16 to move and adjust together.

[0027] As a technical optimization solution of the present invention, two groups of first electric telescopic rods 24 are installed inside the rotating plate 22. The telescopic ends of the two groups of first electric telescopic rods 24 are both installed with limiting plates 23 for limiting and fixing the filter plates 15. A plurality of blocking plates 18 are installed at the bottoms of the two filter plates 15. During the telescopic process of the telescopic ends of the two groups of first electric telescopic rods 24, they can synchronously drive the corresponding limiting plates 23 to move and adjust on both sides of the rotating plate 22; and electromagnets are preset inside the two limiting plates 23, so that the electromagnets have magnetism after being energized, which is convenient for improving the limiting and fixing effect of the two limiting plates 23 on the filter plates 15; as Figure 6 shown, the plurality of blocking plates 18 at the bottoms of the two filter plates 15 are staggered with the filter grooves inside them. After the two filter plates 15 rotate downward together to a vertical state, the plurality of blocking plates 18 can block the filter grooves inside the other filter plate 15 accordingly.

[0028] As a technical optimization solution of the present invention, the cleaning mechanism includes two fixed rods 19 installed on the outer walls of both sides of the mounting plate 16. First grooves are opened on the outer walls of the two fixed rods 19 close to each other. Two lead screws 25 are rotatably installed inside the two first grooves. A scraper 20 is commonly threadedly installed on the outer walls of the two lead screws 25. Above the two scrapers 20, rectangular plates 21 are provided. One of the scrapers 20 is connected to the rectangular plate 21 through a telescopic mechanism provided inside. A plurality of second waterproof motors are preset inside the mounting plate 16. The output ends of the plurality of second waterproof motors are respectively connected to one end of the lead screw 25 close to them, so as to drive the plurality of lead screws 25 to rotate inside the corresponding first grooves; during the rotation of the two cooperating lead screws 25, they can drive the scraper 20 provided on their outer walls to move and adjust between the two fixed rods 19.

[0029] As a technical optimization solution of the present invention, the telescopic mechanism includes a second groove 28 opened inside one of the scrapers 20. A double-headed screw 29 is rotatably installed inside the second groove 28. Two moving seats 30 are threadedly installed on the outer wall of the double-headed screw 29. The tops of the two moving seats 30 are rotatably installed with first rotating blocks 31. A third waterproof motor is preset inside one of the scrapers 20. The output end of the third waterproof motor is connected to one end of the double-headed screw 29, so as to drive the double-headed screw 29 to rotate inside the second groove 28 and drive the two moving seats 30 to move and adjust in the direction of approaching or separating from each other accordingly.

[0030] As a technical optimization solution of the present invention, two second rotating blocks 33 are rotatably installed at the bottom of one rectangular plate 21, and both of the two second rotating blocks 33 are connected to the first rotating block 31 closer to it through a second electric telescopic rod 32. When the two moving seats move towards each other, the rotation cooperation of the two first rotating blocks 31 and the second rotating blocks 33 can be utilized to drive the two second electric telescopic rods 32 to rotate and adjust towards each other, thereby pushing one rectangular plate 21 to move upward on the top of the scraper 20. When the two second electric telescopic rods 32 rotate to the vertical state, the elongation of the telescopic ends of the two second electric telescopic rods 32 can be utilized to drive one rectangular plate 21 to be further adjusted upward to a higher position on the top of the scraper 20; when the two moving seats 30 move away from each other, the rotation cooperation of the two first rotating blocks 31 and the second rotating blocks 33 is utilized to drive the two second electric telescopic rods 32 to rotate and adjust away from each other, pulling one rectangular plate 21 to move downward and reset on the top of the scraper 20.

[0031] As a technical optimization solution of the present invention, two thin films 26 are preset inside the mounting plate 16, and the ends of the two thin films 26 away from each other are both connected to the rectangular plate 21 closer to it. Two winding rollers are preset inside the mounting plate 16, and the ends of the two thin films 26 closer to each other are respectively wound on the surfaces of the corresponding winding rollers, so that the two rectangular plates 21 can drive the two thin films 26 to unfold together on the tops of the two fixed rods 19 during the movement process.

[0032] As a technical optimization solution of the present invention, third electric telescopic rods 35 are installed inside both ends of the two rectangular plates 21, waterproof cameras 34 are installed at the telescopic ends of the two third electric telescopic rods 35, protective plates 27 for shielding and protecting the waterproof cameras 34 are rotatably installed at both ends of the two rectangular plates 21, and torsion springs are sleeved at the rotating parts at both ends of the two protective plates 27. During the telescopic process of the telescopic ends of the two third electric telescopic rods 35, the corresponding waterproof cameras 34 can be driven to extend out of the rectangular plates 21; when the waterproof cameras 34 extend out, the protective plates 27 can be automatically pushed outward, and after the waterproof cameras 34 retract and reset, the protective plates 27 can rotate and reset together with the torsion springs arranged at the rotating parts to maintain the protective effect on the waterproof cameras 34; the waterproof cameras 34 are waterproof industrial cameras with the model of Hikvision DS-2XC3046-L in the prior art.

[0033] In this embodiment, elastic telescopic protective sleeves are sleeved on the outer walls of the two groups of first electric telescopic rods 24, second electric telescopic rods 32, multiple lead screws 25, and double-headed screws 29 to prevent these components from being affected by the water inside the water tank 1 during use.

[0034] In the present invention, when a user uses the device, under the action of a negative pressure fan, waste gas enters the interior of the cyclone cylinder 3 from the air inlet 4. The waste gas is evenly distributed through the cyclone cylinder 3 to ensure stable airflow into the treatment area. At the same time, the water pump 13 is started, so that the water in the water tank 1 can enter the interior of the spraying device 2 through the water pipe 7, and the water is discharged downward into the interior of the cyclone cylinder 3 by means of a plurality of nozzles inside the spraying device 2. The waste gas rotates at a high speed in the cyclone cylinder 3 and comes into full contact with the sprayed water. The gas-liquid two-phase forms a gas-liquid emulsion layer under high-speed rotation, and the pollutants are fully mixed with the liquid to promote absorption and reaction. During the rotation process, the particulate matter and liquid droplets in the waste gas are thrown towards the inner wall of the cyclone cylinder 3 due to the centrifugal force. The thrown liquid droplets flow down along the inner wall of the cyclone cylinder 3 and enter the interior of the water tank 1, and the particulate matter mixed in the water settles to the interior of the water tank 1. The separated waste gas rises and enters the interior of the packing demisting device 5 to come into contact with the sprayed liquid again. The packing demisting device 5 provides a large specific surface area and prolongs the gas-liquid contact time to further absorb the residual pollutants. When the waste gas passes through the packing demisting device 5, the carried liquid droplets are intercepted and flow back to the interior of the water tank 1. The water content of the demisted waste gas is greatly reduced. After reaching the emission standard, it is directly discharged outward through the air outlet 6 or introduced into the interior of other subsequent air purification equipment for continuous purification treatment.

[0035] At this time, the water flowing downward and returning to the interior of the water tank 1 is filtered by two horizontally arranged filter plates 15, and then can be re-transported to the interior of the spraying device 2 by the water pump 13 to realize the recycling of water resources.

[0036] After the two filter plates 15 filter the downward flowing water for a period of time, more impurities will accumulate on the tops of the two filter plates 15. At this time, in order to facilitate the subsequent use of the two filter plates 15, the telescopic ends of the two telescopic cylinders 10 can be controlled to extend upward together, driving the two connecting plates 11, the connecting rod 12 and the mounting plate 16 to move upward together, and then driving the lower rotating plate 22 and the two filter plates 15 to move upward in the water tank 1 together until the tops of the two filter plates 15 move to a position higher than the water tank 1. At this time, the plurality of lead screws 25 can be controlled to rotate in the corresponding first grooves together, and then drive the two scrapers 20 to move in opposite directions to push and clean the impurities on the tops of the two filter plates 15 respectively until the impurities are pushed off the tops of the two filter plates 15 and fall outside the water tank 1, so as to achieve the effect of automatically cleaning and removing the impurities on the tops of the two filter plates 15.

[0037] Meanwhile, after the water inside the water tank 1 has been recycled multiple times, the concentration of the absorbent mixed inside it will be greatly reduced. To ensure sufficient mixing and adsorption reaction of the impurities in the waste gas subsequently, at this time, the staff needs to add an appropriate amount of absorbent into the water tank 1. And to ensure that the absorbent can be fully mixed with the water, the telescopic ends of the two groups of first electric telescopic rods 24 inside the rotating plate 22 can be controlled to contract together, driving the two limiting plates 23 to move towards each other at the bottom of the corresponding filter plates 15 respectively for adjustment, so that the limiting and supporting ranges of the two limiting plates 23 on the bottoms of the two filter plates 15 are reduced. Affected by their own gravity, the two filter plates 15 can slowly rotate downward to a state close to vertical, but not yet reach the vertical state. By controlling the two sliders 17 to move back and forth inside the corresponding sliding grooves 14, the mounting plate 16, the rotating plate 22 and other components can be driven to move back and forth inside the water tank 1 together. With the two filter plates 15 rotated downward to a state close to vertical, the water and absorbent inside the water tank 1 can be stirred, ensuring that the water can be evenly mixed with the absorbent; Meanwhile, since the rotating plate 22 can be rotated and adjusted at the bottom of the mounting plate 16, when the two filter plates 15 in a state close to vertical stir the water and absorbent inside the water tank 1 back and forth, the rotating plate 22 can be controlled to drive the two filter plates 15 to rotate, and in cooperation with the back-and-forth movement of the two sliders 17 inside the corresponding sliding grooves 14, the two filter plates 15 can rotate and stir different positions inside the water tank 1, further improving the uniform mixing effect between the water and absorbent inside the water tank 1, and thus ensuring the effect of the device during long-term use.

[0038] When the water inside the water tank 1 needs to be discharged from the water tank 1 to replace it with new water after multiple cycles of use, to accelerate the discharge of the water from the water tank 1, as Figure 12 shown, the telescopic ends of the two groups of first electric telescopic rods 24 can be controlled to drive the two limiting plates 23 to contract and reset together, so that the two filter plates 15 can rotate downward to a vertical state after losing the restriction. At this time, the blocking plates 18 at the bottoms of the two filter plates 15 can block the filter grooves of each other respectively, and by energizing the electromagnets preset inside the two limiting plates 23 to generate magnetism, the filter plates 15 rotated to the vertical state are magnetically limited. After the filter grooves inside the two filter plates 15 are blocked by the blocking plates 18, the water inside the water tank 1 can no longer pass through the filter grooves. As the two sliders 17 move from left to right inside the corresponding sliding grooves 14, the water inside the water tank 1 can be quickly pushed out from the water outlet 8, facilitating the quick discharge and replacement of the old water.

[0039] While the two vertically rotating filter plates 15 push and discharge the old water inside the water tank 1, since the three side walls of the two filter plates 15 remain in contact with the three inner walls of the water tank 1, the impurities attached to the three inner walls of the water tank 1 can be automatically scraped and cleaned at the same time. Moreover, the impurities cleaned in this part can be quickly discharged from the inside of the water tank 1 together with the old water, avoiding the problem that it is inconvenient to discharge the impurities from the inside of the water tank 1 when cleaning the impurities attached to the inner wall of the water tank 1 separately later.

[0040] After the old water and impurities inside the water tank 1 are cleaned, in order to ensure that the water tank 1 can be used for a long time later, the staff usually need to conduct relevant inspections on the joints at the corner positions of the water tank 1 to avoid damage at the joint parts, resulting in water leakage of the water tank 1 later. At this time, multiple lead screws 25 can be controlled to rotate inside the corresponding first grooves, driving the two scrapers 20 to move away from each other to the maximum distance. At this time, the two rectangular plates 21 move to the state of being in contact with the two inner walls of the water tank 1 respectively, and the two ends of the two rectangular plates 21 are close to the two joint parts of the water tank 1 respectively. The telescopic ends of the two third electric telescopic rods 35 can be controlled to extend together, pushing the two waterproof cameras 34 to extend out of the rectangular plates 21 at the same time, automatically identifying and inspecting the joint parts inside the water tank 1. With the telescopic movement of the telescopic ends of the two telescopic cylinders 10, the mounting plate 16 and the two rectangular plates 21 are driven to move up and down inside the water tank 1 together, so that the multiple waterproof cameras 34 can comprehensively detect and process the four joint parts inside the water tank 1. If problems are found in the joint parts inside the water tank 1, the staff can be reminded in time to conduct relevant painting or welding on them, improving the maintenance efficiency of the water tank 1.

[0041] Moreover, since a torsion spring is provided at the rotating part of the protective plate 27, if impurities are attached to the joint part inside the water tank 1, resulting in the waterproof camera 34 being unable to accurately identify and detect the joint position, during the process of the telescopic end of the third electric telescopic rod 35 pushing the waterproof camera 34 to move outwards, the protective plate 27 can be pushed to rotate outwards into an inclined state. Then, the length of the telescopic end of the third electric telescopic rod 35 at this time is maintained, so that the protective plate 27 can also maintain the rotating and extending state at this time, and the end of the protective plate 27 away from the rotating part is in contact with the inner wall of the water tank 1. With the telescopic movement of the telescopic ends of the two telescopic cylinders 10, the protective plate 27 in contact with the inner wall of the water tank 1 can be driven to scrape and clean the impurities around the joint part synchronously, ensuring that the waterproof camera 34 can accurately identify and detect the joint position automatically later.

[0042] During the shutdown period of the device, since the bottom of the cyclone cylinder 3 and the air inlet 4 are in an exposed state, in order to prevent dust, insects, or flying fluffs in the workshop or the environment from entering the interior of the device when the subsequent device is not in use if the bottom of the cyclone cylinder 3 and the air inlet 4 are not blocked, which may cause blockage to the packing demister device 5 of the spraying device 2 or the circulating pipeline inside the device and affect subsequent use. When the device is not in use, the telescopic ends of the two telescopic cylinders 10 can be controlled to extend upward together, driving the two filter plates 15 to move from the interior of the water tank 1 to the position between the cyclone cylinder 3 and the water tank 1. Then, the rotation of multiple lead screws 25 can be controlled first to drive the two scrapers 20 to move away from each other to the maximum distance, and then drive the two films 26 to be horizontally unfolded above the two fixed rods 19. Next, the two sliders 17 are controlled to move in the corresponding chutes 14 towards the direction close to the air inlet 4, driving one of the unfolded films 26 to move directly below the cyclone cylinder 3 and the other unfolded film 26 to move below the air inlet 4. By continuously controlling the telescopic ends of the two telescopic cylinders 10 to extend upward together, the two filter plates 15 are driven to move upward continuously until one of the unfolded films 26 is in close contact with the bottom end of the cyclone cylinder 3, so that one of the unfolded films 26 can block the bottom end of the cyclone cylinder 3; Then, control the movement and adjustment of the scraper 20 located below the air inlet 4 to drive the rectangular plate 21 above it to move to a position adapted to the air inlet 4. Then, control the telescopic mechanism inside the scraper 20 to start, pushing the rectangular plate 21 above it to move upward until the rectangular plate 21 moves upward to a position higher than the air inlet 4. Then, pull the other film 26 to cover the outside of the air inlet 4, and control the adaptive adjustment of the scraper 20 so that the other film 26 is in close contact with the outside of the air inlet 4, thus blocking the air inlet 4, ensuring that the device is protected from the adverse effects of dust, insects, and flying fluffs when not in use, and improving the service life of the device.

[0043] Moreover, when it is necessary to perform spray painting repair on the defective joint part of the water tank 1 detected as above, after the staff finishes spray painting and repairing the joint part, in order to prevent the peculiar smell generated by spray painting from escaping into the working environment and harming the health of the surrounding staff, as Figure 3 shown, the telescopic ends of the two telescopic cylinders 10 can be controlled to extend upward, driving the two filter plates 15 to move upward to the top of the water tank 1. Then, directly control the two scrapers 20 to move away from each other, driving the two films 26 to unfold to block the two filter plates 15, thereby being able to block the top opening of the water tank 1 accordingly, preventing the peculiar smell generated by spray painting inside the water tank 1 from escaping outward, and also being able to prevent external dust, insects, and flying fluffs from entering the interior of the water tank 1 and adhering to the newly sprayed paint surface on the inner wall of the water tank 1, thus avoiding the problem of affecting the repair effect of the water tank 1.

[0044] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A pneumatic mixing device in a spray tower, comprising a cyclone cylinder (3) and a water tank (1), characterized in that, A spray device (2) is installed on the top of the water tank (1) through a mounting frame. The cyclone cylinder (3) is installed below the spray device (2). An air inlet (4) is arranged on the outer wall of the cyclone cylinder (3). A filtering mechanism for filtering the sprayed water is arranged inside the water tank (1). The filtering mechanism includes a rotating plate (22) arranged inside the water tank (1). Filter plates (15) are rotatably installed on both sides of the rotating plate (22). A driving mechanism for driving the filter plates (15) to move inside the water tank (1) is arranged inside the water tank (1). The driving mechanism includes a mounting plate (16) arranged inside the water tank (1). The rotating plate (22) is rotatably connected to the mounting plate (16) through a rotating shaft arranged at the top. Cleaning mechanisms for automatically cleaning the impurities collected at the tops of the filter plates (15) are arranged on both sides of the mounting plate (16).

2. The pneumatic mixing device in a spray tower according to claim 1, characterized in that, A water pump (13) is installed on the outer wall of one side of the water tank (1). The input end of the water pump (13) extends into the water tank (1). The output end of the water pump (13) is connected to the spray device (2) through a water pipe (7). An outlet (8) is arranged on the outer wall of the water tank (1) away from the water pump (13).

3. The pneumatic mixing device in a spray tower according to claim 1, characterized in that, A packing demisting device (5) is installed on the top of the spray device (2). An air outlet (6) is arranged at the top of the packing demisting device (5).

4. The pneumatic mixing device in a spray tower according to claim 1, characterized in that, Fixing plates (9) are installed on the outer walls of both sides of the water tank (1). Sliding grooves (14) are opened at the tops of the two fixing plates (9). Sliders (17) are installed inside the two sliding grooves (14). Telescopic cylinders (10) are installed at the tops of the two sliders (17). Connecting plates (11) are installed at the telescopic ends of the two telescopic cylinders (10). The bottoms of the two connecting plates (11) away from the telescopic cylinders (10) are connected to the mounting plate (16) through connecting rods (12).

5. The pneumatic mixing device in a spray tower according to claim 1, characterized in that, Two groups of first electric telescopic rods (24) are installed inside the rotating plate (22). Limiting plates (23) for limiting and fixing the filter plates (15) are installed at the telescopic ends of the two groups of first electric telescopic rods (24). A plurality of blocking plates (18) are installed at the bottoms of the two filter plates (15).

6. The pneumatic mixing device in a spray tower according to claim 1, characterized in that, The cleaning mechanisms include two fixing rods (19) installed on the outer walls of both sides of the mounting plate (16). First grooves are opened on the outer walls of the two fixing rods (19) close to each other. Lead screws (25) are rotatably installed inside the two first grooves. A scraping plate (20) is commonly threadedly installed on the outer walls of the two lead screws (25). Rectangular plates (21) are arranged above the two scraping plates (20). One of the scraping plates (20) is connected to the rectangular plate (21) through a telescopic mechanism arranged inside.

7. The pneumatic mixing device in a spray tower according to claim 6, characterized in that, The telescopic mechanism includes a second groove (28) opened inside one of the scraping plates (20). A double-headed screw rod (29) is rotatably installed inside the second groove (28). Two moving seats (30) are threadedly installed on the outer wall of the double-headed screw rod (29). First rotating blocks (31) are rotatably installed at the tops of the two moving seats (30).

8. The pneumatic mixing device in a spray tower according to claim 7, characterized in that, Two second rotating blocks (33) are rotatably installed at the bottom of one of the rectangular plates (21), and the two second rotating blocks (33) are both connected to the first rotating block (31) close to them through second electric telescopic rods (32).

9. The pneumatic mixing device in a spray tower according to claim 6, characterized in that, Two films (26) are preset inside the mounting plate (16), and one end of each of the two films (26) away from each other is connected to the rectangular plate (21) close to it.

10. The pneumatic mixing device in a spray tower according to claim 9, characterized in that, Third electric telescopic rods (35) are installed inside both ends of the two rectangular plates (21), waterproof cameras (34) are installed at the telescopic ends of the two third electric telescopic rods (35), protective plates (27) for shielding and protecting the waterproof cameras (34) are rotatably installed at both ends of the two rectangular plates (21), and torsion springs are sleeved at the rotating parts of both ends of the two protective plates (27).

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