A ship waste water efficient floating and dynamic filtering combined technical equipment

Abstract

This utility model relates to the field of wastewater treatment technology and discloses a high-efficiency flotation and dynamic filtration combined technology and equipment for ship wastewater. It includes a flotation tank, with two support members fixedly connected to one side of the top of the outer wall of the flotation tank. A common support plate is fixedly connected to the top of the two support members. A mounting frame is fixedly connected to the top of the support plate away from the flotation tank, and feeding mechanisms are provided on both sides of the top of the mounting frame. A discharging mechanism is provided on the top of the support plate near the feed pipe. The discharging mechanism includes side plates fixedly connected to both sides of the top of the support plate. A common guide rod is fixedly connected between the same end of the two side plates, and a common moving platform is slidably fitted onto the circumferential surfaces of the two guide rods. This utility model achieves automatic quantitative feeding without manual intervention, reducing labor costs, ensuring that the amount of material added each time meets the preset requirements, and improving the continuity and efficiency of operation.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a combination of high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater. Background Technology

[0002] With the booming development of the global shipping industry and the continuous growth in the number of ships, the amount of ship wastewater generated is also increasing dramatically. Ship wastewater has a complex composition, containing not only large amounts of petroleum-based substances and suspended solids, but also potentially heavy metals, organic matter, and microorganisms. If discharged directly without effective treatment, it will cause significant harm to the marine ecosystem. For example, petroleum-based substances can form an oil film on the sea surface, hindering oxygen dissolution and exchange, leading to the death of marine life due to oxygen deprivation; heavy metals and organic matter can accumulate in marine organisms, be passed through the food chain, and ultimately endanger human health.

[0003] Currently, traditional ship wastewater treatment generally uses flotation to treat wastewater. When treating wastewater using flotation, additives such as demulsifiers and flocculants need to be added. However, when adding these additives, quantitative addition is generally required. In existing technologies, quantitative addition of liquid additives can be achieved through metering pumps, but quantitative addition of powdered additives is cumbersome. Therefore, a high-efficiency flotation and dynamic filtration combined technology and equipment for ship wastewater has been designed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A high-efficiency flotation and dynamic filtration combined technology and equipment for ship wastewater includes a flotation tank. Two support members are fixedly connected to one side of the top of the outer wall of the flotation tank. A common support plate is fixedly connected to the top of the two support members. A mounting frame is fixedly connected to the top of the support plate away from the flotation tank. Feeding mechanisms are provided on both sides of the top of the mounting frame. A discharge mechanism is provided on the top of the support plate near the feed pipe. The discharge mechanism includes side plates fixedly connected to both sides of the top of the support plate. A common guide rod is fixedly connected between the same end of the two side plates. A common moving platform is slidably fitted onto the circumferential surface of the two guide rods. Circular holes adapted to the guide rods are provided at both ends of the moving platform. A weight sensor is fixedly connected to the top of the moving platform, and a top plate is fixedly connected to the top of the weight sensor. A discharge hopper is rotatably connected to the top of the top plate near the flotation tank. Two strip frames are fixedly connected to the outer wall of the discharge hopper near the flotation tank. The discharge mechanism also includes a component fixedly connected to the moving platform. A fixed sleeve is located near the flotation tank on the moving platform. A lifting rod is slidably mounted on the fixed sleeve. Sliding rods are fixedly connected to both sides of the top of the lifting rod. Each sliding rod is slidably connected inside a nearby strip frame. A protruding rod is fixedly connected to the bottom of the lifting rod through a support plate. A base plate is fixedly connected to the bottom of the support plate near the protruding rod. The base plate has irregular holes, and the protruding rod is slidably connected in the irregular holes. The irregular holes include three horizontal holes and two oblique holes. The three horizontal holes are connected to each other through the oblique holes, and the middle horizontal hole is positioned lower. The same lead screw is rotatably connected between the two side plates, and the lead screw thread passes through the moving platform. A lead screw nut adapted to the lead screw is fixedly mounted in the middle of the moving platform. A servo motor is fixedly connected to the outside of one of the side plates, and the output end of the servo motor passes through the side plate and is fixedly connected to one end of the lead screw. Through the cooperation of the unloading mechanism and the feeding mechanism, powdery materials can be quantitatively added, reducing the intensity of manual labor.

[0007] Preferably, the feeding mechanism includes a discharge hood fitted on one side of the top of the mounting frame. The mounting frame has a square hole adapted to the discharge hood. A feeding hopper is fixedly connected to the top of the discharge hood. A discharge pipe is fixedly connected to the discharge hood on the side of the bottom of the mounting frame near the flotation tank, and the discharge pipe is connected to the discharge hood. A first motor is fixedly connected to the outer wall of the discharge hood away from the flotation tank, and an auger is fixedly connected to the output end of the first motor through the discharge hood.

[0008] Preferably, a support plate is fixedly connected to the middle of the top of the flotation tank, a drive motor is fixedly connected to the middle of the top of the support plate, and a rotating rod is fixedly connected to the output end of the drive motor through the support plate. An impeller is fixedly connected to the bottom of the rotating rod, and the impeller is located at the bottom of the flotation tank.

[0009] Preferably, two metering pumps are fixedly connected to both sides of the top of the support plate, and a loading hopper is fixedly connected to the top input end of each metering pump.

[0010] Preferably, a slope is provided on the side of the top of the flotation tank away from the flotation tank, and a flotation mechanism is provided on the top of the flotation tank near the slope. The flotation mechanism includes a fixed plate fixedly connected to both sides of the top of one end of the flotation tank. The two fixed plates are rotatably connected to the same driving rod, and multiple flotation plates are fixedly connected at equal intervals on the circumferential surface of the driving rod. The flotation plates are adapted to the slope.

[0011] Preferably, the flotation mechanism further includes a second motor fixedly connected to the outside of one of the fixed plates, and the output end of the second motor passes through the fixed plate and is fixedly connected to one end of the drive rod.

[0012] Preferably, a filtration mechanism is provided at the bottom of the outer wall of the flotation tank. The filtration mechanism includes a drain pipe fixedly connected to the bottom of the outer wall of the flotation tank and connected to the flotation tank. A control valve is fixedly installed near the flotation tank on the drain pipe. A filter box is fixedly embedded in the middle of the drain pipe and connected to the drain pipe.

[0013] Preferably, the filtration mechanism further includes a U-shaped bracket that is slidably disposed inside the filter box, and pull holes are provided on both sides of the top of the U-shaped bracket. A honeycomb activated carbon filter plate is placed inside the U-shaped bracket. A top cover is fixedly connected to the top of the filter box by bolts, and a sealing gasket is provided between the top cover and the filter box.

[0014] Preferably, a feed pipe is fixedly connected to one side of the top of the outer wall of the flotation tank, and an air inlet pipe is fixedly connected to the bottom of the same side of the outer wall of the flotation tank. A round hole adapted to the air inlet pipe is opened on the flotation tank. A U-shaped pipe is fixedly connected to one end of the air inlet pipe inside the flotation tank, and the U-shaped pipe is connected to the air inlet pipe. Multiple air outlet holes are opened at equal intervals at the bottom of the U-shaped pipe.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. By employing feeding and unloading mechanisms, the position of the unloading hopper is controlled by a servo motor, allowing the nearby unloading pipe to feed the material. A weight sensor accurately monitors the amount of material. When the required amount is reached, the servo motor controls the unloading hopper to move to the center of the tray, causing the hopper to automatically tilt and pour the material into the flotation tank. Combined with the impeller's stirring, this facilitates the aggregation of impurities, effectively solving the problem of inconvenient quantitative addition of powdered materials mentioned in the background technology. This achieves automatic quantitative feeding without manual intervention, reducing labor costs and ensuring that the amount of material added each time meets the preset requirements, while improving the continuity and efficiency of operation.

[0017] 2. The filtration mechanism allows for further filtration of the wastewater after flotation, while the U-shaped bracket facilitates the replacement of the honeycomb activated carbon filter plate, improving its practicality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater proposed in this utility model.

[0019] Figure 2 This is a schematic diagram of the top of the pallet of the equipment for a high-efficiency flotation and dynamic filtration combination technology for ship wastewater proposed in this utility model.

[0020] Figure 3 This utility model Figure 2 An enlarged structural diagram at point A;

[0021] Figure 4 This is a schematic diagram of the unloading mechanism of a combined high-efficiency flotation and dynamic filtration technology equipment for ship wastewater proposed in this utility model.

[0022] Figure 5 This is a partial structural diagram of the unloading mechanism of a combined high-efficiency flotation and dynamic filtration technology equipment for ship wastewater proposed in this utility model.

[0023] Figure 6 This is a schematic diagram of the feeding mechanism of a combined high-efficiency flotation and dynamic filtration technology equipment for ship wastewater proposed in this utility model.

[0024] Figure 7 This is a schematic diagram of the support plate of the equipment for the high-efficiency flotation and dynamic filtration combination technology for ship wastewater proposed in this utility model.

[0025] Figure 8 This is a schematic diagram of the flotation mechanism of a combined high-efficiency flotation and dynamic filtration technology equipment for ship wastewater proposed in this utility model.

[0026] Figure 9 This is a schematic diagram of the filtration mechanism of a combined high-efficiency flotation and dynamic filtration technology equipment for ship wastewater proposed in this utility model.

[0027] Figure 10 This is a partial structural diagram of the flotation tank of the high-efficiency flotation and dynamic filtration combination technology equipment for ship wastewater proposed in this utility model.

[0028] In the diagram: 1. Flotation box; 101. Feed pipe; 2. Pallet; 201. Support component; 203. Mounting frame; 3. Feeding mechanism; 301. Discharge hood; 302. Loading hopper; 303. Discharge pipe; 304. First motor; 305. Screw; 4. Discharge mechanism; 401. Base plate; 402. Irregular hole; 403. Side plate; 404. Guide rod; 405. Lead screw; 406. Servo motor; 407. Moving table; 408. Weight sensor; 409. Top plate; 410. Discharge hopper; 411. Strip frame; 41 2. Fixed sleeve; 413. Protruding rod; 414. Sliding rod; 415. Lifting rod; 5. Filtration mechanism; 501. Drain pipe; 502. Control valve; 503. Filter box; 504. U-shaped bracket; 505. Honeycomb activated carbon filter plate; 506. Top cover; 6. Support plate; 601. Drive motor; 602. Rotating rod; 603. Impeller; 604. Metering pump; 605. Loading bucket; 7. Flotation mechanism; 701. Fixed plate; 702. Second motor; 703. Flotation plate; 8. Air inlet pipe; 801. U-shaped pipe. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] Reference Figures 1-10A high-efficiency flotation and dynamic filtration combined technology and equipment for ship wastewater includes a flotation tank 1. Two support members 201 are fixedly connected to one side of the top of the outer wall of the flotation tank 1. The top of the two support members 201 is fixedly connected to the same tray 2. The top of the tray 2 away from the flotation tank 1 is fixedly connected to a mounting frame 203. Both sides of the top of the mounting frame 203 are provided with feeding mechanisms 3. The top of the tray 2 is provided near the feed pipe 101 and a discharge mechanism 4 is provided. The discharge mechanism 4 includes side plates 403 fixedly connected to both sides of the top of the tray 2. The two side plates 403 are fixed together at the same end. The two guide rods 404 are connected by a common guide rod 404. A movable stage 407 is slidably mounted on the circumferential surface of both guide rods 404. Both ends of the movable stage 407 have round holes that fit the guide rods 404. A weight sensor 408 is fixedly connected to the top of the movable stage 407, and a top plate 409 is fixedly connected to the top of the weight sensor 408. A discharge hopper 410 is rotatably connected to the top of the top plate 409 near the flotation tank 1. Two strip frames 411 are fixedly connected to the outer wall of the discharge hopper 410 near the flotation tank 1. The discharge mechanism 4 also includes a component fixedly connected to the movable stage 407. 7. A fixed sleeve 412 is located near the side of the flotation tank 1. A lifting rod 415 is slidably mounted on the fixed sleeve 412. Sliding rods 414 are fixedly connected to both sides of the top of the lifting rod 415. Each sliding rod 414 is slidably connected inside the adjacent strip frame 411. A protruding rod 413 is fixedly connected to the bottom of the lifting rod 415 through the support plate 2. A bottom plate 401 is fixedly connected to the bottom of the support plate 2 near the protruding rod 413. An irregular hole 402 is opened on the bottom plate 401, and the protruding rod 413 is slidably connected in the irregular hole 402. The irregular hole 402 includes three horizontal holes and two... There are three oblique holes, and all three horizontal holes are connected through the oblique holes. The middle horizontal hole is positioned low. The two side plates 403 are rotatably connected to the same lead screw 405, and the lead screw 405 is threaded through the moving table 407. The moving table 407 is fixedly fitted with a lead screw nut that matches the lead screw 405 in the middle. A servo motor 406 is fixedly connected to the outside of one side plate 403, and the output end of the servo motor 406 is fixedly connected to one end of the lead screw 405 through the side plate 403. Through the cooperation of the unloading mechanism 4 and the feeding mechanism 3, the powdered additive is quantitatively added.

[0031] In this utility model, the feeding mechanism 3 includes a discharge hood 301 sleeved on one side of the top of the mounting frame 203. The mounting frame 203 has a square hole adapted to the discharge hood 301. A feeding hopper 302 is fixedly connected to the top of the discharge hood 301. A discharge pipe 303 is fixedly connected to the side of the discharge hood 301 at the bottom of the mounting frame 203 near the flotation box 1, and the discharge pipe 303 is connected to the discharge hood 301. A first motor 304 is fixedly connected to the side of the outer wall of the discharge hood 301 away from the flotation box 1, and an auger 305 is fixedly connected to the output end of the first motor 304 through the discharge hood 301. The feeding mechanism 3 is designed so that the powder material inside the feeding hopper 302 can only be discharged when the first motor 304 rotates.

[0032] In this utility model, a support plate 6 is fixedly connected to the middle of the top of the flotation tank 1, a drive motor 601 is fixedly connected to the middle of the top of the support plate 6, and a rotating rod 602 is fixedly connected to the output end of the drive motor 601 through the support plate 6, and an impeller 603 is fixedly connected to the bottom of the rotating rod 602, and the impeller 603 is located at the bottom of the flotation tank 1.

[0033] In this utility model, two metering pumps 604 are fixedly connected to the top two sides of the support plate 6. The top input end of each metering pump 604 is fixedly connected to a filling tank 605. The setting of the filling tank 605 and the metering pump 604 makes it convenient to add liquid additives in a quantitative manner.

[0034] In this utility model, a slope is provided on the side of the top of the flotation box 1 away from the flotation box 1, and a flotation mechanism 7 is provided on the top of the flotation box 1 near the slope. The flotation mechanism 7 includes a fixed plate 701 fixedly connected to both sides of the top of one end of the flotation box 1. The two fixed plates 701 are rotatably connected to the same driving rod, and multiple flotation plates 703 are fixedly connected at equal distances on the circumferential surface of the driving rod. The flotation plates 703 are adapted to the slope, and the multiple flotation plates 703 can push the impurities floating on the top of the flotation box 1 out of the flotation box 1.

[0035] In this utility model, the flotation mechanism 7 also includes a second motor 702 fixedly connected to the outside of one of the fixed plates 701, and the output end of the second motor 702 passes through the fixed plate 701 and is fixedly connected to one end of the drive rod.

[0036] In this utility model, a filter mechanism 5 is provided at the bottom of the outer wall of the flotation tank 1. The filter mechanism 5 includes a drain pipe 501 fixedly connected to the bottom of the outer wall of the flotation tank 1, and the drain pipe 501 is connected to the flotation tank 1. A control valve 502 is fixedly installed near the flotation tank 1. A filter box 503 is fixedly embedded in the middle of the drain pipe 501, and the filter box 503 is connected to the drain pipe 501.

[0037] In this utility model, the filtration mechanism 5 also includes a U-shaped bracket 504 that is slidably disposed inside the filter box 503, and both sides of the top of the U-shaped bracket 504 are provided with pull holes. A honeycomb activated carbon filter plate 505 is placed inside the U-shaped bracket 504. The top of the filter box 503 is fixedly connected to the top cover 506 by bolts, and a sealing gasket is provided between the top cover 506 and the filter box 503. By pulling out the U-shaped bracket 504, the honeycomb activated carbon filter plate 505 can be easily replaced.

[0038] In this utility model, a feed pipe 101 is fixedly connected to one side of the top of the outer wall of the flotation tank 1, and an air inlet pipe 8 is fixedly connected to the bottom of the same side of the outer wall of the flotation tank 1. A round hole adapted to the air inlet pipe 8 is opened on the flotation tank 1. A U-shaped pipe 801 is fixedly connected to one end of the air inlet pipe 8 inside the flotation tank 1, and the U-shaped pipe 801 is connected to the air inlet pipe 8. Multiple air outlet holes are opened at equal intervals at the bottom of the U-shaped pipe 801. The setting of the U-shaped pipe 801 allows the sprayed air bubbles to be adsorbed with impurities in the water, so that the impurities float out, which facilitates the operation of the flotation mechanism 7.

[0039] Working Principle: When using this equipment, the required flocculants and demulsifiers are added to the corresponding hoppers 302 and hoppers 605. Liquid additives can be added to hopper 605, while powdered additives can be added to hopper 302. The outer end of the air inlet pipe 8 is connected to a booster pump. All electrical components of the equipment are connected to a power source and controlled by a controller. The feed pipe 101 is connected to the ship's wastewater, and sufficient wastewater is injected into the flotation tank 1. When flocculants or demulsifiers need to be added to hopper 302, the servo motor 406 is activated, causing the lead screw 405 to rotate, which moves the moving platform 407 to the designated hopper 302. At one end of 02, the first motor 304 is started, causing the auger 305 to rotate and discharge the material inside the loading hopper 302 into the unloading hopper 410. Monitoring by the weight sensor 408 ensures that when the material in the unloading hopper 410 reaches the required amount, the feeding mechanism 3 is stopped, and the servo motor 406 is started, causing the moving table 407 to move to the center. During this process, the protruding rod 413 slides in the irregular hole 402. Because the center of the irregular hole 402 is concave, the lifting rod 415 descends under the action of the protruding rod 413. Through the cooperation of the sliding rod 414 and the strip frame 411, the unloading hopper 41... The material is poured into the flotation tank 1 by tilting the frame 411. The hole in the middle of the frame 411 is much larger than that of the sliding rod 414, so that the sliding rod 414 does not affect the weighing of the discharge hopper 410. The discharge mechanism 4 is designed so that the discharge hopper 410 will automatically tilt when it is in the tray 2. The tray 2 has a strip hole that matches the lifting rod 415. When it is necessary to add material to the filling tank 605, quantitative addition can be achieved by controlling the start and stop of the metering pump 604. The rotation of the drive motor 601 causes the impeller 603 to start rotating, thereby agitating the waste and flocculant. At the same time, the bottom of the U-shaped tube 801 opens... Bubbles begin to emerge, and the booster pump dissolves air into the water to form dissolved air water. Tiny bubbles are released in the flotation tank. These bubbles combine with oil droplets and solid particles in the wastewater, causing them to float to the surface and form foam. The rotation of the second motor 702 causes multiple flotation plates 703 to push the floating impurities out of the flotation tank 1 and out of the feed pipe 101 until there are no large particles of impurities inside the flotation tank 1. Then, the control valve 502 is opened, allowing the wastewater to pass through the filter tank 503. Through the adsorption of the honeycomb activated carbon filter plate 505, the fine particles, organic matter, and heavy metals in the wastewater are treated, and then it can be discharged from the other end of the drain pipe 501.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high-efficiency flotation and dynamic filtration combined technology and equipment for ship wastewater, comprising a flotation tank (1), characterized in that, Two support members (201) are fixedly connected to one side of the top of the outer wall of the flotation tank (1). The top of the two support members (201) is fixedly connected to the same tray (2). The top of the tray (2) away from the flotation tank (1) is fixedly connected to a mounting frame (203). The mounting frame (203) is provided with feeding mechanisms (3) on both sides of its top. The top of the tray (2) is provided with a discharge mechanism (4) near the feed pipe (101). The discharge mechanism (4) includes side plates (403) fixedly connected to both sides of the top of the tray (2). The two side plates (403) are fixedly connected at the same end. There is a common guide rod (404), and the two guide rods (404) are slidably fitted with the same moving platform (407) on their circumferential surfaces. Both ends of the moving platform (407) are provided with round holes that are adapted to the guide rods (404). A weight sensor (408) is fixedly connected to the top of the moving platform (407), and a top plate (409) is fixedly connected to the top of the weight sensor (408). A discharge hopper (410) is rotatably connected to the top of the top of the top plate (409) near the flotation box (1), and two strip frames (411) are fixedly connected to the outer wall of the discharge hopper (410) near the flotation box (1).

2. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, The unloading mechanism (4) further includes a fixed sleeve (412) fixedly connected to the side of the moving platform (407) near the flotation tank (1). A lifting rod (415) is slidably mounted on the fixed sleeve (412). Sliding rods (414) are fixedly connected to both sides of the top of the lifting rod (415). Each sliding rod (414) is slidably connected inside a nearby strip frame (411). A protruding rod (413) is fixedly connected to the bottom of the lifting rod (415) through the support plate (2). A base plate (401) is fixedly connected to the bottom of the support plate (2) near the protruding rod (413). A shaped hole (402) is opened on the base plate (401). A protruding rod (413) is slidably connected in a shaped hole (402). The shaped hole (402) includes three horizontal holes and two oblique holes. The three horizontal holes are connected to each other through the oblique holes. The middle horizontal hole is positioned low. The two side plates (403) are rotatably connected to the same lead screw (405). The lead screw (405) is threaded through the moving table (407). The moving table (407) is fixedly fitted with a lead screw nut that matches the lead screw (405) in the middle. A servo motor (406) is fixedly connected to the outside of one of the side plates (403). The output end of the servo motor (406) is fixedly connected to one end of the lead screw (405) through the side plate (403).

3. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, The feeding mechanism (3) includes a discharge hood (301) sleeved on one side of the top of the mounting frame (203). The mounting frame (203) has a square hole adapted to the discharge hood (301). A feeding hopper (302) is fixedly connected to the top of the discharge hood (301). A discharge pipe (303) is fixedly connected to the side of the discharge hood (301) near the flotation tank (1) at the bottom of the mounting frame (203), and the discharge pipe (303) is connected to the discharge hood (301). A first motor (304) is fixedly connected to the side of the outer wall of the discharge hood (301) away from the flotation tank (1), and an auger (305) is fixedly connected to the output end of the first motor (304) through the discharge hood (301).

4. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, A support plate (6) is fixedly connected to the top middle of the flotation tank (1). A drive motor (601) is fixedly connected to the top middle of the support plate (6). A rotating rod (602) is fixedly connected to the output end of the drive motor (601) through the support plate (6). An impeller (603) is fixedly connected to the bottom of the rotating rod (602). The impeller (603) is located at the bottom of the flotation tank (1).

5. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 4, characterized in that, Two metering pumps (604) are fixedly connected to the top two sides of the support plate (6). A loading hopper (605) is fixedly connected to the top input end of each metering pump (604).

6. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, The top of the flotation tank (1) is provided with a slope on one side away from the flotation tank (1), and a flotation mechanism (7) is provided on the top of the flotation tank (1) near the slope. The flotation mechanism (7) includes a fixed plate (701) fixedly connected to both sides of the top of one end of the flotation tank (1). The two fixed plates (701) are rotatably connected to the same driving rod, and multiple flotation plates (703) are fixedly connected at equal distances on the circumferential surface of the driving rod. The flotation plates (703) are adapted to the slope.

7. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 6, characterized in that, The flotation mechanism (7) also includes a second motor (702) fixedly connected to the outside of one of the fixed plates (701), and the output end of the second motor (702) passes through the fixed plate (701) and is fixedly connected to one end of the drive rod.

8. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, A filter mechanism (5) is provided at the bottom of the outer wall of the flotation tank (1). The filter mechanism (5) includes a drain pipe (501) fixedly connected to the bottom of the outer wall of the flotation tank (1) and the drain pipe (501) is connected to the flotation tank (1). A control valve (502) is fixedly installed near the flotation tank (1) on the drain pipe (501). A filter box (503) is fixedly embedded in the middle of the drain pipe (501) and the filter box (503) is connected to the drain pipe (501).

9. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 8, characterized in that, The filtration mechanism (5) also includes a U-shaped bracket (504) that is slidably disposed inside the filter box (503), and pull holes are provided on both sides of the top of the U-shaped bracket (504). A honeycomb activated carbon filter plate (505) is placed inside the U-shaped bracket (504). A top cover (506) is fixedly connected to the top of the filter box (503) by bolts, and a sealing gasket is provided between the top cover (506) and the filter box (503).

10. The combined high-efficiency flotation and dynamic filtration technology and equipment for ship wastewater according to claim 1, characterized in that, A feed pipe (101) is fixedly connected to one side of the top of the outer wall of the flotation tank (1), and an air inlet pipe (8) is fixedly connected to the bottom of the same side of the outer wall of the flotation tank (1). A round hole adapted to the air inlet pipe (8) is opened on the flotation tank (1). A U-shaped pipe (801) is fixedly connected to one end of the air inlet pipe (8) inside the flotation tank (1), and the U-shaped pipe (801) is connected to the air inlet pipe (8). Multiple air outlet holes are opened at equal intervals at the bottom of the U-shaped pipe (801).

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