A multi-functional marine sewage purification device

Abstract

This invention discloses a multifunctional marine sewage purification device, relating to the field of sewage treatment technology. It includes a sewage tank; a blocking mechanism is provided inside the sewage tank, comprising a lifting platform slidably mounted on the sewage tank, with a blocking part rotatably mounted on the lifting platform; a UV purification mechanism is provided at the top of the sewage tank, including a movable base, a lifting plate slidably mounted on the movable base, a transmission cylinder slidably mounted on the lifting plate, a transmission shaft inside the transmission cylinder, lamps arranged in an array outside the transmission cylinder, and a folding shielding layer telescopically sleeved outside the lamps; an agitation mechanism is provided at the bottom of the transmission cylinder, including an agitation shaft, with a vibrating disc at the end of the agitation shaft; this invention can perform UV purification treatment on sewage, effectively remove impurities attached to the lamps, ensure purification effect, and provide effective protection.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment technology, and in particular to a multifunctional marine wastewater purification device. Background Technology

[0002] Wastewater purification is the process of treating polluted water to meet environmental standards, restoring its natural water quality, or making it reusable. This process not only helps protect the environment but also makes water resource reuse possible. Ultraviolet (UV) water purification is a commonly used water treatment method that utilizes the bactericidal effect of UV light to eliminate microorganisms and pathogens in the water. UV wavelengths are generally between 200 and 280 nanometers, and this wavelength of UV light has strong penetrating power, capable of damaging the DNA or RNA of microorganisms, thereby inhibiting their growth or killing them. However, wastewater contains a large number of impurities, and these impurities easily adhere to the surface of the UV lamps during operation, affecting the purification effect. Therefore, this invention proposes a water purification device that can perform UV purification treatment on wastewater, effectively remove impurities adhering to the UV lamps to ensure purification effectiveness, and provide effective protection. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention can perform UV purification treatment on wastewater, effectively remove impurities attached to the lamp tube, ensure purification effect, and provide effective protection.

[0004] The present invention is implemented as follows: a multifunctional marine sewage purification device includes a sewage tank with side chambers on both sides. A push-out mechanism is located at the bottom of the sewage tank to remove sediment. A blocking mechanism is located inside the sewage tank, including a lifting platform slidably mounted on the tank. A blocking part is rotatably mounted on the lifting platform, and the blocking part deflects and engages to block sediment in the sewage. A UV purification mechanism is located at the top of the sewage tank, including a movable base with a lifting plate slidably mounted on it. A transmission cylinder is slidably mounted on the lifting plate, and a transmission shaft is located inside the transmission cylinder. Lamp tubes are arranged in an array outside the transmission cylinder, and a folding shielding layer is telescopically sleeved on the outside of the lamp tubes. An agitation mechanism is located at the bottom of the transmission cylinder, including an agitation shaft with a vibrating disc at its end.

[0005] Furthermore, the ejection mechanism includes a receiver / discharge motor and a receiver / discharge tube mounted on the side chamber. The receiver / discharge motor drives the receiver / discharge tube, which is equipped with a lifting rope. A guide wheel is provided in the side chamber to guide the lifting rope. The free end of the lifting rope is connected to a push seat to push the sediment. Control cylinders are respectively installed in the side chamber and on both sides of the sewage tank. A control seat is provided on the telescopic rod of the control cylinder to close and block the obstruction.

[0006] Furthermore, the blocking mechanism includes a second motor, a second guide rod, and a second lead screw mounted on the sewage tank. The second motor drives the second lead screw. The lifting platform is movably mounted on the second guide rod and the second lead screw, and the lifting platform and the second lead screw form a helical pair. Racks are provided inside the sewage tank and at both ends of the lifting platform. Connecting gears are rotatably mounted at both ends inside the lifting platform. When the connecting gears mesh with the racks, they drive the blocking part to rotate. One side of the blocking part is fixedly connected to the connecting gear.

[0007] Furthermore, the UV purification mechanism includes a motor, a lead screw, and a guide rod mounted on the wastewater tank. The motor drives the lead screw. A movable seat is movably mounted on the lead screw and the guide rod, and the movable seat and the lead screw form a helical pair. The movable seat has a feed inlet for dispensing reagents. A movable motor is mounted on the movable seat, and a belt structure is mounted on the output shaft of the movable motor. A movable lead screw and a movable guide rod are movably mounted on the movable seat. The movable lead screw and the belt structure on the output shaft of the movable motor form a helical pair. The bottom ends of the movable lead screw and the movable guide rod are connected to a lifting plate. A position motor, a position lead screw, and a position guide rod are mounted on the lifting plate. The position motor drives the position lead screw, and the top end of the transmission cylinder forms a helical pair with the position lead screw.

[0008] Furthermore, a transmission motor is provided on the transmission cylinder, a first transmission gear is provided on the output shaft of the transmission motor, and a second transmission gear is provided at the top of the transmission shaft, which meshes with the first transmission gear; a turntable is rotatably mounted on the outside of the transmission cylinder, and an angle motor is provided on the outside of the transmission cylinder, an angle gear is provided on the output shaft of the angle motor, which meshes with the turntable; a base is provided at the bottom of the transmission cylinder, a lamp tube is provided between the base and the turntable, and an agitation shaft of the agitation mechanism is rotatably mounted on the base.

[0009] Furthermore, the turntable is arranged with arrayed hanging cylinders, each with a hanging rope. The top of the folded shielding layer is connected to the turntable, and the bottom of the folded shielding layer is provided with a scraper seat, which is connected to the hanging rope on the transmission gear. A fixed platform is provided on the turntable, and the hanging cylinders are rotatably mounted on the fixed platform. Holes are arrayed on the end face of the fixed platform, and a sliding groove is provided at the end of the hanging cylinder. A fixed seat is fitted on the sliding groove, and a spring is connected between the fixed seat and the end face of the hanging cylinder. The fixed seat engages with the holes to fix the hanging cylinder. A mating part is provided on the end face of the fixed seat, and a control mechanism is provided at the top of the transmission cylinder to control the rotation of the fixed seat.

[0010] Furthermore, the control mechanism includes a control motor disposed at the top of the transmission cylinder, a mating seat disposed on the output shaft of the control motor, and a magnetic attraction part disposed on the outside of the mating seat. The magnetic attraction part is used to magnetically attract and control the movement of the fixed seat, and the mating seat is used to engage with the mating part.

[0011] Furthermore, the agitation mechanism includes an agitation gear disposed at one end of the agitation shaft, a control gear ring rotatably mounted on the base, the control gear ring meshing with the agitation gear, a drive motor disposed on the base, a drive gear disposed on the output shaft of the drive motor, the drive gear meshing with the control gear ring, a pusher disposed on the control gear ring, a bottom scraper disposed telescopically on the base, the bottom scraper being located on the outer side of the bottom end of the lamp tube, a second spring connecting the bottom scraper and the base, a contact wheel disposed on the bottom scraper, the contact wheel being pushed by the pusher.

[0012] The beneficial effects of this invention compared with the prior art are: (1) The blocking part rotates and the blocking part deflects and connects as a whole to move downward from above the sewage to block sediments or other solid floating objects, so that they sink quickly to the bottom of the sewage tank; (2) The lamp tube is immersed in the sewage, and the light intensity of the lamp tube is adjusted to emit ultraviolet light to purify the sewage. Since the sediments and other floating substances sink to the bottom, they will not adhere to the lamp tube and affect its purification effect; (3) For some lamp tubes that are not used, they can be protected during the idle period. Protective treatment, that is, by controlling the lifting and stretching of the folded shielding layer, it is placed on the outside of the lamp tube to prevent solid substances on the outside from adhering to the lamp tube. Furthermore, when controlling the stretching and stretching of the folded shielding layer, the scraper can also scrape the outside of the lamp tube to remove the adhering substances; (4) Through the scraping operation of the scraper, some impurities will accumulate at the bottom of the lamp tube. The drive motor can be used to control the rotation of the gear ring and push the contact wheel to make the bottom scraper move in a stretching and stretching manner, that is, the bottom scraper can scrape the bottom of the lamp tube to remove the residual deposits. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 This is a schematic diagram of the internal installation structure of the sewage tank of the present invention.

[0015] Figure 3 This is a schematic diagram of the mounting structure of the blocking part of the present invention.

[0016] Figure 4 This is a schematic diagram of the installation structure of the lifting platform of the present invention.

[0017] Figure 5 This is a schematic diagram of the movable seat structure of the present invention.

[0018] Figure 6 This is a schematic diagram of the lifting plate structure of the present invention.

[0019] Figure 7 This is a schematic diagram of the installation structure of the UV purification mechanism of the present invention.

[0020] Figure 8 This is a schematic diagram of the transmission tube installation structure of the present invention.

[0021] Figure 9 This is a schematic diagram of the transmission shaft mounting structure of the present invention.

[0022] Figure 10 This is a schematic diagram of the lamp tube installation structure of the present invention.

[0023] Figure 11 This is a schematic diagram of the installation structure of the folded shielding layer of the present invention.

[0024] Figure 12 This is a schematic diagram of the installation structure of the lifting cylinder of the present invention.

[0025] Figure 13 This is a schematic diagram of the base mounting structure of the present invention.

[0026] Figure 14 This is a schematic diagram of the bottom scraper mounting structure of the present invention.

[0027] Figure 15 This is a schematic diagram of the installation structure of the control mechanism of the present invention.

[0028] Attached reference numerals: 1-Sewage tank; 2-Side tank; 3-Motor 1; 4-Lead screw 1; 5-Guide rod 1; 6-Motor 2; 7-Guide rod 2; 8-Lead screw 2; 9-Blocking part; 10-Lifting platform; 11-Control cylinder; 12-Control base; 13-Receiving and discharging motor; 14-Receiving and discharging cylinder; 15-Guide wheel; 16-Push seat; 17-Rack; 18-Connecting gear; 19-Moving base; 20-Moving lead screw; 21-Moving guide rod; 22-Moving motor; 23-Feed inlet; 24-Lifting plate; 25-Transmission cylinder; 26-Position motor; 27-Position lead screw; 28-Position guide rod; 29-Transmission motor 30-Transmission Gear 1; 31-Transmission Shaft; 32-Transmission Gear 2; 33-Turntable; 34-Lamp Tube; 35-Base; 36-Angle Motor; 37-Angle Gear; 38-Folding Sheath; 39-Scraper Seat; 40-Hanging Cylinder; 41-Fixed Seat; 42-Matching Part; 43-Spring 1; 44-Fixed Platform; 45-Drive Gear; 46-Drive Motor; 47-Agitating Shaft; 48-Oscillating Disc; 49-Agitating Gear; 50-Control Gear Ring; 51-Pushing Part; 52-Bottom Scraper Seat; 53-Spring 2; 54-Contact Wheel; 55-Control Motor; 56-Magnetic Suction Part; 57-Matching Seat. Detailed Implementation

[0029] Example: Figures 1 to 15As shown, a multifunctional marine sewage purification device includes a sewage tank 1, with side chambers 2 on both sides of the sewage tank 1. A push-out mechanism is located at the bottom of the sewage tank 1 to remove sediment. A blocking mechanism is located inside the sewage tank 1, including a lifting platform 10 slidably mounted on the sewage tank 1. A blocking part 9 is rotatably mounted on the lifting platform 10, and the blocking part 9 blocks sediment in the sewage through deflection and docking. A UV purification mechanism is located at the top of the sewage tank 1, including a movable base 19. A lifting plate 24 is slidably mounted on the movable base 19, and a transmission cylinder 25 is slidably mounted on the lifting plate 24. A transmission shaft 31 is located inside the transmission cylinder 25, and lamps 34 are arranged in an array on the outside of the transmission cylinder 25. A folding shielding layer 38 is telescopically sleeved on the outside of the lamps 34. An agitation mechanism is located at the bottom of the transmission cylinder 25, including an agitation shaft 47, with a vibrating disc 48 at the end of the agitation shaft 47.

[0030] The ejection mechanism includes a receiver / discharge motor 13 and a receiver / discharge tube 14 mounted on the side chamber 2. The receiver / discharge motor 13 drives the receiver / discharge tube 14, which is equipped with a lifting rope. A guide wheel 15 is installed in the side chamber 2 to guide the lifting rope. The free end of the lifting rope is connected to a push seat 16 to push the sediment. Control cylinders 11 are installed in the side chamber 2 on both sides of the sewage tank 1. A control seat 12 is installed on the telescopic rod of the control cylinder 11 to close and block the flow.

[0031] The blocking mechanism includes a motor 6, a guide rod 7, and a lead screw 8 mounted on the sewage tank 1. The motor 6 drives the lead screw 8. The lifting platform 10 is movably mounted on the guide rod 7 and the lead screw 8, and the lifting platform 10 and the lead screw 8 form a helical pair. A rack 17 is provided inside the sewage tank 1 and at both ends of the lifting platform 10. A connecting gear 18 is rotatably mounted at both ends inside the lifting platform 10. When the connecting gear 18 meshes with the rack 17, it drives the blocking part 9 to rotate. One side of the blocking part 9 is fixedly connected to the connecting gear 18.

[0032] The UV purification mechanism includes a motor 3, a lead screw 4, and a guide rod 5 mounted on a wastewater tank 1. Motor 3 drives lead screw 4. A movable base 19 is movably mounted on lead screw 4 and guide rod 5, forming a helical pair with lead screw 4. A feed inlet 23 is provided on the movable base 19 for adding reagents. A movable motor 22 is mounted on the movable base 19, with a belt structure on its output shaft. A movable lead screw 20 and a movable guide rod 21 are movably mounted on the movable base 19, forming a helical pair with the belt structure on the output shaft of the movable motor 22. The bottom ends of the movable lead screw 20 and the movable guide rod 21 are connected to a lifting plate 24. A position motor 26, a position lead screw 27, and a position guide rod 28 are mounted on the lifting plate 24. The guide rod 28 and the position motor 26 are used to drive the position screw 27. The top of the transmission cylinder 25 and the position screw 27 form a helical pair. The transmission cylinder 25 is equipped with a transmission motor 29. The output shaft of the transmission motor 29 is equipped with a transmission gear 30. The top of the transmission shaft 31 is equipped with a transmission gear 32, which meshes with the transmission gear 30. A turntable 33 is rotatably mounted on the outside of the transmission cylinder 25. An angle motor 36 is also equipped on the outside of the transmission cylinder 25. The output shaft of the angle motor 36 is equipped with an angle gear 37, which meshes with the turntable 33. The bottom of the transmission cylinder 25 is equipped with a base 35. The lamp tube 34 is located between the base 35 and the turntable 33. The stirring shaft 47 of the stirring mechanism is rotatably mounted on the base 35.

[0033] A series of lifting cylinders 40 are arranged on the turntable 33, with lifting ropes attached to each cylinder 40. The top of a folded shielding layer 38 is connected to the turntable 33, and a scraper seat 39 is located at the bottom of the folded shielding layer 38. The scraper seat 39 is connected to the lifting rope on the transmission gear 30. A fixed platform 44 is provided on the turntable 33, and the lifting cylinders 40 are rotatably mounted on the fixed platform 44. Holes are arranged in an array on the end face of the fixed platform 44, and a sliding groove is provided at the end of the lifting cylinder 40. A fixed seat 41 is fitted onto the sliding groove, and the fixed seat 41 is connected to the end face of the lifting cylinder 40. A spring 43 is provided, and a fixed seat 41 is fitted with a hole to fix the lifting cylinder 40. A mating part 42 is provided on the end face of the fixed seat 41. A control mechanism is provided at the top of the transmission cylinder 25 to control the rotation of the fixed seat 41. The control mechanism includes a control motor 55 provided at the top of the transmission cylinder 25. A mating seat 57 is provided on the output shaft of the control motor 55. A magnetic attraction part 56 is provided on the outside of the mating seat 57. The magnetic attraction part 56 is used to magnetically control the movement of the fixed seat 41. The mating seat 57 is used to cooperate with the mating part 42.

[0034] The agitation mechanism includes an agitation gear 49 disposed at one end of the agitation shaft 47, a control gear ring 50 rotatably mounted on the base 35, the control gear ring 50 meshing with the agitation gear 49, a drive motor 46 disposed on the base 35, a drive gear 45 disposed on the output shaft of the drive motor 46, the drive gear 45 meshing with the control gear ring 50, a pusher 51 disposed on the control gear ring 50, a bottom scraper 52 telescopically disposed on the base 35, the bottom scraper 52 being located on the outer side of the bottom end of the lamp tube 34, a spring 53 connecting the bottom scraper 52 and the base 35, a contact wheel 54 disposed on the bottom scraper 52, the contact wheel 54 being pushed by the pusher 51.

[0035] Operating principle: When purifying the sewage in sewage tank 1, the agent is first added through the feed inlet 23. The agent is then fed into sewage tank 1 through the transfer cylinder 25. The transmission motor 29 operates, causing the transmission shaft 31 to rotate, thus completing the agent addition and agitating the sewage. Specifically, when motor 3 operates, the lead screw 4 rotates, and the moving seat 19 moves, allowing the agent to be moved and added. The moving motor 22 operates, the moving lead screw 20 moves, and the lifting plate 24 moves up and down. The angle motor 36 can be used to rotate the turntable 33 and the base 35, thus agitating the sewage through the stirring shaft 47, improving the reaction efficiency between the agent and the sewage.

[0036] Furthermore, the reagent reacts with the reactants in the wastewater to form sediment. This sediment is then activated by the operation of motor 6, which rotates screw 8 and moves the lifting platform 10. The connecting gear 18 meshes with rack 17, causing the blocking part 9 to rotate. The blocking part 9 deflects and connects as a whole, moving downwards from above the wastewater to block the sediment or other solid floating objects, causing them to sink quickly to the bottom of the wastewater tank 1. Then, the height of the lifting plate 24 is controlled so that the lamp tube 34 is submerged in the wastewater. The light intensity of the lamp tube 34 is adjusted to emit ultraviolet light for wastewater purification. Since the sediment and other floating substances sink to the bottom, they will not adhere to the lamp tube 34, thus affecting its purification effect.

[0037] Furthermore, for some lamp tubes 34 that are not used, protective treatment can be carried out during the idle period. That is, by controlling the lifting and stretching of the folded shielding layer 38, it can be fitted on the outside of the lamp tube 34 to prevent solid substances from adhering to the lamp tube 34. Furthermore, when controlling the stretching and stretching of the folded shielding layer 38, the scraper seat 39 can also perform a scraping operation on the outside of the lamp tube 34 to remove the attached substances.

[0038] Specifically, for the telescopic control of the folding shielding layer 38, the orientation is adjusted so that each transmission gear 30 is located in the position of the control mechanism. Then, the magnetic suction part 56 magnetically controls the fixed seat 41, the mating part 42 and the mating seat 57 are engaged, and the control motor 55 drives the mating seat 57, which in turn drives the hanging cylinder 40 to rotate. When the fixed seat 41 telescopically moves, it disengages from the hole on the end face of the fixed platform 44, thus releasing the fixed state.

[0039] As the lamp tube 34 is scraped by the scraper seat 39, some impurities will accumulate at the bottom of the lamp tube 34. The drive motor 46 can be used to control the rotation of the gear ring 50, and the pusher 51 can push the contact wheel 54 to make the bottom scraper seat 52 extend and retract. That is, the bottom scraper seat 52 performs a scraping operation at the bottom of the lamp tube 34 to remove the residual deposits.

[0040] Furthermore, when treating the bottom sediments, if some sediments adhere to the barrier 9, the agitator 47 can be rotated by controlling the toothed ring 50 to rotate, and the vibrating disc 48 can contact and tap the barrier 9 to make it vibrate, which can remove the attached sediments, thus facilitating the detachment of the sediments.

[0041] During sediment treatment, the receiver 13 operates, the receiver 14 retracts and extends the hoisting rope, the hoisting rope pulls the pusher 16, which pushes the sediment at the bottom, that is, pushes it out from both sides of the sewage tank 1, and the control cylinder 11 controls the control seat 12 to block the flow.

Claims

1. A multifunctional marine sewage purification device, comprising a sewage tank (1), with side chambers (2) provided on both sides of the sewage tank (1), characterized in that: A push-out mechanism is provided at the bottom of the sewage tank (1) for sediment; a blocking mechanism is provided inside the sewage tank (1), the blocking mechanism includes a lifting platform (10) slidably installed on the sewage tank (1), a blocking part (9) is rotatably installed on the lifting platform (10), the blocking part (9) is deflected and connected to block the sediment in the sewage; a UV purification mechanism is provided at the top of the sewage tank (1), the UV purification mechanism includes a moving seat (19), a lifting plate (24) is lifted and lowered on the moving seat (19), a transmission cylinder (25) is slidably installed on the lifting plate (24), a transmission shaft (31) is provided inside the transmission cylinder (25), lamp tubes (34) are arranged in an array on the outside of the transmission cylinder (25), a folding shielding layer (38) is telescopically sleeved on the outside of the lamp tubes (34), and a stirring mechanism is provided at the bottom of the transmission cylinder (25), the stirring mechanism includes a stirring shaft (47), and a oscillating plate (48) is provided at the end of the stirring shaft (47); The launching mechanism includes a receiver / discharge motor (13) and a receiver / discharge tube (14) installed on the side box (2). The receiver / discharge motor (13) is used to drive the receiver / discharge tube (14). A lifting rope is installed on the receiver / discharge tube (14). A guide wheel (15) is installed in the side box (2) to guide the lifting rope. A push seat (16) is connected to the free end of the lifting rope to push the sediment. Control cylinders (11) are installed in the side box (2) and on both sides of the sewage tank (1). A control seat (12) is installed on the telescopic rod of the control cylinder (11) to close the obstruction. The blocking mechanism includes a second motor (6), a second guide rod (7), and a second lead screw (8) installed on the sewage tank (1). The second motor (6) is used to drive the second lead screw (8). The lifting platform (10) is movably installed on the second guide rod (7) and the second lead screw (8), and the lifting platform (10) and the second lead screw (8) form a helical pair. A rack (17) is provided on the inner side of the sewage tank (1) and at both ends of the lifting platform (10). A connecting gear (18) is rotatably installed at both ends inside the lifting platform (10). When the connecting gear (18) meshes with the rack (17), it drives the blocking part (9) to rotate. One side of the blocking part (9) is fixedly connected to the connecting gear (18).

2. The multifunctional marine sewage purification equipment according to claim 1, characterized in that: The UV purification mechanism includes a motor (3), a lead screw (4), and a guide rod (5) mounted on a wastewater tank (1). The motor (3) drives the lead screw (4). A movable seat (19) is movably mounted on the lead screw (4) and the guide rod (5), and the movable seat (19) and the lead screw (4) form a screw pair. A feed inlet (23) is provided on the movable seat (19) for dispensing reagents. A movable motor (22) is mounted on the movable seat (19), and a belt structure is provided on the output shaft of the movable motor (22). The moving base (19) is equipped with a moving lead screw (20) and a moving guide rod (21). The moving lead screw (20) and the belt structure on the output shaft of the moving motor (22) form a screw pair. The bottom ends of the moving lead screw (20) and the moving guide rod (21) are connected to the lifting plate (24). The lifting plate (24) is equipped with a position motor (26), a position lead screw (27) and a position guide rod (28). The position motor (26) is used to drive the position lead screw (27). The top end of the transmission cylinder (25) and the position lead screw (27) form a screw pair.

3. The multifunctional marine sewage purification equipment according to claim 2, characterized in that: A transmission motor (29) is provided on the transmission cylinder (25), a transmission gear 1 (30) is provided on the output shaft of the transmission motor (29), a transmission gear 2 (32) is provided at the top of the transmission shaft (31), and the transmission gear 2 (32) meshes with the transmission gear 1 (30); a turntable (33) is rotatably installed on the outside of the transmission cylinder (25), and an angle motor (36) is provided on the outside of the transmission cylinder (25), an angle gear (37) is provided on the output shaft of the angle motor (36), and the angle gear (37) meshes with the turntable (33); a base (35) is provided at the bottom of the transmission cylinder (25), a lamp tube (34) is provided between the base (35) and the turntable (33), and a stirring shaft (47) on the stirring mechanism is rotatably installed on the base (35).

4. A multifunctional marine sewage purification device according to claim 3, characterized in that: The turntable (33) is arranged with a series of hanging cylinders (40), and a hanging rope is provided on the hanging cylinders (40). The top of the folded shielding layer (38) is connected to the turntable (33), and a scraper seat (39) is provided at the bottom of the folded shielding layer (38). The scraper seat (39) is connected to the hanging rope on the transmission gear (30). A fixed platform (44) is provided on the turntable (33). The hanging cylinders (40) are rotatably installed on the fixed platform (44). Holes are arranged in an array on the end face of the fixed platform (44), and a sliding groove is provided at the end of the hanging cylinders (40). A fixed seat (41) is provided on the sliding groove. A spring (43) is connected between the fixed seat (41) and the end face of the hanging cylinders (40). The fixed seat (41) is engaged with the holes to fix the hanging cylinders (40). A mating part (42) is provided on the end face of the fixed seat (41). A control mechanism is provided at the top of the transmission cylinder (25) to control the rotation of the fixed seat (41).

5. A multifunctional marine sewage purification device according to claim 4, characterized in that: The control mechanism includes a control motor (55) located at the top of the transmission cylinder (25). A mating seat (57) is provided on the output shaft of the control motor (55). A magnetic suction part (56) is provided on the outside of the mating seat (57). The magnetic suction part (56) is used to magnetically control the movement of the fixed seat (41). The mating seat (57) is used to cooperate with the mating part (42).

6. A multifunctional marine sewage purification device according to claim 3, characterized in that: The stirring mechanism includes a stirring gear (49) disposed at one end of the stirring shaft (47), a control gear ring (50) rotatably mounted on the base (35), the control gear ring (50) meshing with the stirring gear (49), a drive motor (46) disposed on the base (35), a drive gear (45) disposed on the output shaft of the drive motor (46), the drive gear (45) meshing with the control gear ring (50), a pusher (51) disposed on the control gear ring (50), a bottom scraper (52) telescopically disposed on the base (35), the bottom scraper (52) being located outside the bottom end of the lamp tube (34), a spring (53) connecting the bottom scraper (52) and the base (35), a contact wheel (54) disposed on the bottom scraper (52), the contact wheel (54) being pushed by the pusher (51).

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