Sponge city water purification device

Abstract

The invention discloses a sponge city water body purification device, and relates to the technical field of environmental science and engineering, the sponge city water body purification device comprises an ecological floating island, a water collection pipe and a treatment tank, a collection device, a treatment device and an auxiliary device are arranged below the ecological floating island, through the arrangement of the collection device, a culture plate is arranged on the ecological floating island to culture ecological plants, and the treatment device is arranged below the treatment tank; the ecological plants can directly or indirectly absorb and utilize soluble nitrogen, phosphorus and other nutrient substances in the water body, or convert the nutrient substances into non-toxic intermediate metabolites and store the intermediate metabolites in plant cells, so that the purpose of removing part of pollutants in the water is achieved, the water body decontaminated by the ecological plants can enter the water collecting pipe, and the water body is prevented from being polluted by the ecological plants. The workload and cost of subsequent purification treatment can be reduced through the flow discarding ball, meanwhile, the maintenance and management cost can be reduced, water flow entering the purification device can more uniformly pass through all parts of the purification device through the baffle rotating in a reciprocating mode, and the overall purification effect is improved.

Description

Technical Field

[0001] The invention relates to the field of environmental science and engineering technology, and in particular to a sponge city water purification device. Background Art

[0002] The design and application of sponge city water purification devices stem from a deep understanding and active response to the water environment problems faced by modern cities. With the rapid development of urbanization, a series of water environment problems such as urban waterlogging, water shortage, water pollution and ecosystem degradation have become increasingly prominent. The natural accumulation, natural infiltration and natural purification of rainwater can be achieved, thereby improving the self-repairing ability of the urban water environment.

[0003] The patent with the patent announcement number CN209242769U relates to the field of environmental science and engineering technology. The patent discloses a water purification device for a sponge city, including a floating platform, a solar power storage structure and a second net cover. A net frame is provided in the center of the floating platform, and a solar power storage structure is installed on the right part of the net frame. The four corners of the lower end face of the floating platform are all provided with electric telescopic rods, and a pad is provided between the floating platform and the electric telescopic rod. The lower end face of the floating platform is surrounded by a first net cover, and a second net cover is provided directly below the first net cover. The water purification device of the sponge city has a more reasonable overall structure. An ecological floating bed is provided for breeding water purification aquatic plants, which can reduce eutrophication of water bodies, purify water quality, beautify the water environment, and make the water body clear. At the same time, a net cover with convenient height adjustment is provided for breeding fish. The water body is ecologically repaired through the water purification plants on the ecological floating bed and the fish under the ecological floating bed. On the one hand, the water quality is purified, and on the other hand, it also has ornamental and economic value.

[0004] The above patent, on the one hand, purifies water quality, and on the other hand, it also has ornamental and economic value. However, the following problems still exist: when the water flow cannot be controlled, the water will flow through the treatment tank quickly, resulting in various purification measures being unable to fully act on the water body. This may cause a large amount of pollutants to pass through the system without being effectively treated, reducing the purification efficiency of the entire device. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a sponge city water purification device, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a sponge city water purification device, including an ecological floating island, a water collecting pipe and a treatment tank, the water collecting pipe is arranged below the ecological floating island, the treatment tank is arranged below the water collecting pipe, and a collecting device, a treatment device and an auxiliary device are arranged below the ecological floating island; wherein, the collecting device includes a breeding plate, a fixed rod, a floating ball, a flow abandonment ball, a water tank, a water filling port, a baffle, an electric push rod, a connecting button, a circular groove block, a rotating motor and a round rod, the breeding plate is arranged on the top of the ecological floating island, and ecological plants are arranged inside the breeding plate, the fixed rod is slidably installed on the inner wall of the water collecting pipe, the floating ball is fixedly installed on the circumferential surface of the fixed rod, the flow abandonment ball is fixedly installed on the circumferential surface of the fixed rod, the water tank is arranged on the top of the ecological floating island, and the water after the ecological plant decontamination will enter the water collecting pipe. When the water flow is relatively slow, part of the water will enter the water collecting pipe at the flow abandonment ball. The water tank is then filled with a water bubble which is then filled with liquid and then pumped into the water tank, and the water bubble is then filled up and the pump is started to flow out of the water tank, ...

[0007] According to the above technical solution, the bottom of the ecological floating island is connected to the water collecting pipe, and the water after the ecological plants are decontaminated will enter the water collecting pipe. The water collecting pipe is connected to the water filling port, and water enters the water filling port through the water collecting pipe.

[0008] According to the above technical solution, the processing device includes a fixed block, a rotating rod and a filter plate. The fixed block is fixedly penetrated through the inner and outer walls of the processing tank. The rotating rod is rotatably installed on the inner wall of the fixed block. The filter plate is fixedly installed on the surface of the rotating rod. The rotating rod is rotated counterclockwise, and the filter plate is driven to rotate by the rotating rod. The rotation of the filter plate causes the accumulated impurities to fall downward by gravity.

[0009] According to the above technical solution, the processing device also includes a ratchet wheel and a limit rod, the ratchet wheel fixing button is installed on the circumferential surface of the rotating rod, the limit rod is slidably installed on the surface of the fixed block, and a No. 1 spring is arranged between the limit rod and the fixed block, and the limit rod is reset by the arranged No. 1 spring. The bottom of the limit rod is arranged as an inclined surface. After the filter plate is reset, when the rotating rod is reversed due to an external force that accidentally touches it, the ratchet wheel will contact the non-inclined surface of the limit rod. At this time, the ratchet wheel cannot rotate, that is, the rotating rod cannot rotate.

[0010] According to the above technical solution, the processing device also includes a medicine tank, a crushing piece, a conveying pipe and a scraper rod. The medicine tank is fixedly installed on the surface of the processing tank, the crushing piece is fixedly installed on the circumferential surface of the round rod, the conveying pipe connects the medicine tank and the processing tank, and the scraper rod is fixedly installed on the circumferential surface of the round rod. When medicine is added to the medicine tank, the crushing piece is driven to rotate by the rotation of the round rod. The rotation of the crushing piece will break up the agglomerated medicine. The rotation of the round rod will also drive the scraper to rotate. The broken medicine is collected by the scraper and enters the processing tank through the conveying pipe.

[0011] According to the above technical solution, the processing device also includes gear 1 and gear 2. Gear 1 is fixedly installed at the bottom of the scraper rod, and gear 2 is rotatably installed on the inner wall of the processing tank. Gear 1 is meshed with gear 2. The rotation of the scraper drives gear 1 to rotate, and the rotation of gear 1 drives gear 2 to rotate.

[0012] According to the above technical scheme, the auxiliary device includes a tripod, a rotating shaft, a stirring blade and a stirring plate. The tripod is fixedly mounted on the inner wall of gear 2, the rotating shaft is fixedly mounted on the inner wall of the tripod, a reciprocating spiral groove is provided on the circumferential surface of the rotating shaft, the stirring blade is fixedly mounted on the circumferential surface of the rotating shaft, the rotation of the tripod drives the rotating shaft to rotate, the rotation of the rotating shaft drives the stirring blade to rotate, the stirring plate is threadedly mounted on the circumferential surface of the rotating shaft, the rotation of the rotating shaft drives the reciprocating spiral groove to rotate, the rotation of the reciprocating spiral groove causes the stirring plate to move back and forth up and down.

[0013] According to the above technical solution, the auxiliary device also includes a fixed plate, a brush, an output port and a drain port, the fixed plate is fixedly installed on the top of the rotating shaft, the brush is arranged on the surface of the fixed plate close to the tripod, the output port is arranged on the circumferential surface of the treatment tank, the drain port is arranged on the circumferential surface of the treatment tank, the output port is connected with the treatment tank, the circumferential surface of the output port is provided with valve one, the drain port is connected with the treatment tank, the circumferential surface of the drain port is provided with valve two, the impurities dropped from the filter plate are discharged through the drain port, and the mixed water is discharged through the output port.

[0014] The present invention provides a sponge city water purification device, which has the following beneficial effects: (1) The invention, through the setting of a collection device, sets an ecological floating island on the water surface, sets a breeding plate on the ecological floating island to cultivate ecological plants. The ecological plants can directly or indirectly absorb and utilize the nutrients such as dissolved nitrogen and phosphorus in the water body, assimilate and utilize them as the components of the plant body, and can also convert pollutants into carbon dioxide and water through volatilization, metabolism or mineralization, or convert them into non-toxic intermediate metabolites and store them in plant cells, thereby achieving the purpose of removing some pollutants in the water. The water body after the ecological plants are decontaminated will enter the water collection pipe. When the water flow is relatively slow, part of the water will enter the water collection pipe at the waste flow ball and then enter the water tank. When the water flow is turbulent, the waste flow ball will block the waste flow outlet, which can reduce the workload and cost of subsequent purification treatment, and also reduce the cost of maintenance and management. The reciprocating baffle makes the water flow entering the purification device pass through each part of the purification device more evenly, thereby improving the overall purification effect. The water enters the treatment tank through the water filling port.

[0015] (2) In the present invention, water is filtered through the filter plate after entering the treatment tank through the treatment device. After long-term use, debris will accumulate on the filter plate, which reduces the filtering effect of the filter plate. The accumulated impurities fall downward by gravity by rotating the rotating rod counterclockwise. The traditional filter plate needs to be disassembled for cleaning, which is not only time-consuming and labor-intensive, but may also affect the normal operation of the water purification device. In this way, the filter plate can be cleaned without disassembling it, which simplifies the cleaning process and improves the cleaning efficiency. When the rotating rod is reversed due to an external force, the filter plate is prevented from being accidentally touched by the ratchet wheel and the limit rod. The medicine is added to the medicine tank, and the crushed medicine is collected by the scraper through the round rod and the crushing sheet, and enters the treatment tank through the conveying pipe. After the medicine is stirred and crushed, the particles become smaller, the surface area increases, and the contact area with water increases, thereby accelerating the dissolution rate, which helps the medicine to react with the pollutants in the water faster and improve the purification efficiency.

[0016] (3) The invention, through the setting of auxiliary devices, enables the reagent and water to be fully mixed through gear 2, tripod, rotating shaft and stirring blade. The rotation of the rotating shaft drives the reciprocating spiral groove to rotate, and the rotation of the reciprocating spiral groove causes the stirring plate to move up and down. The movement of the stirring plate causes the reagent precipitated at the bottom of the inner wall of the treatment tank to be drained into the working range of the stirring blade. During the rotation of the tripod, some objects may remain on the top of the tripod and cannot fall off. At this time, the impurities on the surface are brushed off by the rotating shaft, fixed plate and brush to prevent these impurities from accumulating and clogging the connection between the rotating shaft and the tripod. The impurities dropped from the filter plate are discharged through the drain outlet, and the mixed water is discharged through the output outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2This is a schematic diagram of the internal structure of the water collecting pipe of the present invention; Figure 3 This is a schematic diagram of the internal structure of the treatment tank of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement of part A; Figure 5 This is a schematic diagram of the position structure of the filter plate and the rotating motor of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the structure of part B in the middle is enlarged; Figure 7 It is a schematic diagram of the position structure of the rotating shaft and the tripod of the present invention; Figure 8 For the present invention Figure 7 The enlarged schematic diagram of the structure of part C in the middle; Fig. 9 For the present invention Figure 7 Schematic diagram of the enlarged structure of part D.

[0018] In the figure: 1. Ecological floating island; 2. Breeding plate; 3. Water collecting pipe; 4. Fixed rod; 5. Float; 6. Abandoned flow ball; 7. Water tank; 8. Treatment tank; 9. Filling port; 10. Baffle; 11. Electric push rod; 12. Connecting button; 13. Round groove block; 14. Rotating motor; 15. Round rod; 20. Fixed block; 21. Rotating rod; 22. Filter plate; 23. Ratchet wheel; 24. Limit rod; 25. Medicine tank; 26. Crushing piece; 27. Delivery pipe; 28. Scraper rod; 29. ​​Gear 1; 210. Gear 2; 30. Tripod; 31. Rotating shaft; 32. Agitating piece; 33. Agitating plate; 34. Fixed plate; 35. Brush; 36. Output port; 37. Sewage outlet. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 4An embodiment of the present invention is: a sponge city water purification device, including an ecological floating island 1, a water collecting pipe 3 and a treatment tank 8, the water collecting pipe 3 is arranged below the ecological floating island 1, the treatment tank 8 is arranged below the water collecting pipe 3, a collecting device is arranged below the ecological floating island 1, the collecting device includes a breeding plate 2, a fixed rod 4, a floating ball 5, a discarding ball 6, a water tank 7, a water inlet 9, a baffle 10, an electric push rod 11, a connecting button 12, a round groove block 13, a rotating motor 14 and a round rod 15, the breeding plate 2 is arranged on the top of the ecological floating island 1, and ecological plants are arranged inside the breeding plate 2. By setting the ecological floating island 1 on the water surface and setting the breeding plate 2 on the ecological floating island 1 to cultivate ecological plants, the ecological plants can directly or indirectly absorb and utilize nutrients such as dissolved nitrogen and phosphorus in the water body, and assimilate and utilize them as components of the plant body, the fixed rod 4 is slidably installed on the inner wall of the water collecting pipe 3, and the floating ball 5 is fixedly installed On the circumferential surface of the fixed rod 4, the discard ball 6 is fixedly installed on the circumferential surface of the fixed rod 4, the water tank 7 is arranged on the top of the ecological floating island 1, the water filling port 9 is arranged on the top of the treatment tank 8, the water filling port 9 is connected with the treatment tank 8, the baffle 10 is rotatably installed on the inner wall of the water filling port 9, the fixed end of the electric push rod 11 is fixedly installed on the surface of the water filling port 9, one side of the connecting button 12 is fixedly installed on the output end of the electric push rod 11, the circular groove block 13 is fixedly installed on the surface of the baffle 10 close to the electric push rod 11, and the other side of the connecting button 12 is slidably installed on the inner wall of the circular groove block 13, the fixed end of the rotating motor 14 is fixedly installed on the top of the treatment tank 8, the round rod 15 is rotatably installed on the surface of the treatment tank 8, and the round rod 15 is transmission-connected to the output end of the rotating motor 14 through a No. 1 belt. The water flow entering the purification device passes through various parts of the purification device more evenly through the reciprocating baffle 10, thereby improving the overall purification effect.

[0021] The bottom of the ecological floating island 1 is connected to the water collecting pipe 3, and the water after the ecological plants are decontaminated will enter the water collecting pipe 3. The water collecting pipe 3 is connected to the water filling port 9, and the water enters the water filling port 9 through the water collecting pipe 3.

[0022] When the present embodiment is working, an ecological floating island 1 is arranged on the water surface, and a breeding plate 2 is arranged on the ecological floating island 1 to cultivate ecological plants. The ecological plants can directly or indirectly absorb and utilize the nutrients such as dissolved nitrogen and phosphorus in the water body, assimilate and utilize them as the components of the plant body, and can also convert pollutants into carbon dioxide and water through volatilization, metabolism or mineralization, or convert them into non-toxic intermediate metabolites and store them in plant cells, so as to achieve the purpose of removing some pollutants in the water. The water body after the ecological plants are decontaminated will enter the water collection pipe 3. When the water flow is relatively slow, part of the water will enter the water collection pipe 3 at the waste flow ball 6 and then enter the water tank 7. When the water flow is turbulent, the float 5 will move upward with the water level. The float 5 The movement drives the fixed rod 4 to move, and the movement of the fixed rod 4 drives the discard ball 6 to move. At this time, the discard ball 6 blocks the discard port, which can reduce the workload and cost of subsequent purification treatment, and also reduce the cost of maintenance and management. The output end of the rotating motor 14 rotates to drive the No. 1 belt to drive the round rod 15 to rotate, and water enters the water filling port 9 through the water collecting pipe 3. The output end of the electric push rod 11 extends and drives the connecting button 12 to move. The movement of the connecting button 12 drives the circular groove block 13 to rotate. The rotation of the circular groove block 13 drives the baffle 10 to reciprocate. The reciprocating baffle 10 makes the water flow entering the purification device pass through each part of the purification device more evenly, thereby improving the overall purification effect. Water enters the treatment tank 8 through the water filling port 9.

[0023] See also Figure 1-Figure 9 On the basis of the above embodiment, in another embodiment of the present invention, a processing device and an auxiliary device are arranged under the ecological floating island 1, and the processing device includes a fixed block 20, a rotating rod 21 and a filter plate 22. The fixed block 20 is fixedly penetrated through the inner and outer walls of the processing tank 8, and the rotating rod 21 is rotatably installed on the inner wall of the fixed block 20. The filter plate 22 is fixedly installed on the surface of the rotating rod 21. After long-term use, debris will accumulate on the filter plate 22, which reduces the filtering effect of the filter plate 22. The rotating rod 21 is rotated counterclockwise, and the rotating rod 21 rotates to drive the filter plate 22 to rotate. The rotation of the filter plate 22 causes the accumulated impurities to fall downward by gravity. In this way, the filter plate 22 can be cleaned without disassembling it, which simplifies the cleaning process and improves the cleaning efficiency.

[0024] The processing device also includes a ratchet wheel 23 and a limit rod 24. The fixing button of the ratchet wheel 23 is installed on the circumferential surface of the rotating rod 21. The limit rod 24 is slidably installed on the surface of the fixed block 20. A No. 1 spring is arranged between the limit rod 24 and the fixed block 20. The limit rod 24 is reset by the arranged No. 1 spring. The bottom of the limit rod 24 is arranged as an inclined surface. In this way, the filter plate 22 can be prevented from being accidentally touched.

[0025] The treatment device also includes a medicine tank 25, a crushing piece 26, a conveying pipe 27 and a scraper rod 28. The medicine tank 25 is fixedly mounted on the surface of the treatment tank 8, the crushing piece 26 is fixedly mounted on the circumferential surface of the round rod 15, the conveying pipe 27 connects the medicine tank 25 and the treatment tank 8, and the scraper rod 28 is fixedly mounted on the circumferential surface of the round rod 15. After the medicine is stirred and broken, the particles become smaller, the surface area increases, and the contact area with water increases, thereby accelerating the dissolution rate, which helps the medicine to react with pollutants in the water faster and improve the purification efficiency.

[0026] The processing device also includes gear 1 29 and gear 2 210. Gear 1 29 is fixedly installed at the bottom of the scraper rod 28, and gear 2 210 is rotatably installed on the inner wall of the processing tank 8. Gear 1 29 is meshed with gear 2 210, and the rotation of gear 1 29 causes gear 2 210 to rotate.

[0027] The auxiliary device includes a tripod 30, a rotating shaft 31, a stirring blade 32 and a stirring plate 33. The tripod 30 is fixedly mounted on the inner wall of the gear 2 210, the rotating shaft 31 is fixedly mounted on the inner wall of the tripod 30, a reciprocating spiral groove is provided on the circumferential surface of the rotating shaft 31, the stirring blade 32 is fixedly mounted on the circumferential surface of the rotating shaft 31, the medicine and the water are fully mixed by the rotating stirring blade 32, the stirring plate 33 is threadedly mounted on the circumferential surface of the rotating shaft 31, and the movement of the stirring plate 33 allows the medicine deposited at the bottom of the inner wall of the treatment tank 8 to be drained into the working range of the stirring blade 32.

[0028] The auxiliary device also includes a fixing plate 34, a brush 35, an output port 36 and a drain port 37. The fixing plate 34 is fixedly installed on the top of the rotating shaft 31. The brush 35 is arranged on the surface of the fixing plate 34 close to the tripod 30. The output port 36 is arranged on the circumferential surface of the processing tank 8. The drain port 37 is arranged on the circumferential surface of the processing tank 8. The output port 36 is communicated with the processing tank 8. The circumferential surface of the output port 36 is provided with a valve 1. The drain port 37 is communicated with the processing tank 8. The circumferential surface of the drain port 37 is provided with a valve 2. The brush 35 contacts the tripod 30 to brush off impurities on the surface to prevent these impurities from accumulating and clogging the connection between the rotating shaft 31 and the tripod 30. The impurities dropped from the filter plate 22 are discharged through the drain port 37, and the mixed water is discharged through the output port 36.

[0029] When the present embodiment is working, water enters the treatment tank 8 and is filtered through the filter plate 22. After long-term use of the filter plate 22, debris will accumulate, which reduces the filtering effect of the filter plate 22. The rotating rod 21 is rotated counterclockwise. The rotation of the rotating rod 21 drives the filter plate 22 to rotate. The rotation of the filter plate 22 causes the accumulated impurities to fall downward by gravity. The rotation of the rotating rod 21 drives the ratchet wheel 23 to rotate at the same time. The rotation of the ratchet wheel 23 will contact the inclined surface of the limit rod 24, causing the limit rod 24 to move upward and compress the No. 1 spring at the same time. At this time, the limit rod 24 will not limit the rotation of the ratchet wheel 23. The traditional filter plate 22 needs to be disassembled for cleaning, which is not only time-consuming and labor-intensive, but also may affect the normal operation of the water purification device. In this way, the filter plate 22 can be cleaned without disassembling it, which simplifies the cleaning process and improves the cleaning efficiency. After the filter plate 22 is reset, the filter plate 22 can be cleaned without external force. When the rotating rod 21 is reversed due to an accidental touch, the ratchet wheel 23 will contact the non-inclined surface of the limiting rod 24. At this time, the ratchet wheel 23 cannot rotate, that is, the rotating rod 21 cannot rotate. In this way, the filter plate 22 is prevented from being accidentally touched. The medicine is added to the medicine tank 25, and the crushing piece 26 is driven to rotate by the rotation of the round rod 15. The rotation of the crushing piece 26 will break up the agglomerated medicine. The rotation of the round rod 15 drives the scraper 28 to rotate. The broken medicine is collected by the scraper 28 and enters the processing tank 8 through the conveying pipe 27. The rotation of the scraper 28 drives the gear 1 29 to rotate, and the rotation of the gear 1 29 drives the gear 2 210 to rotate. After the medicine is stirred and broken, the particles become smaller, the surface area increases, and the contact area with water increases, thereby accelerating the dissolution rate, which helps the medicine to react with the pollutants in the water faster and improve the purification efficiency. The rotation of gear 210 drives the tripod 30 to rotate, the rotation of the tripod 30 drives the shaft 31 to rotate, the rotation of the shaft 31 drives the stirring blade 32 to rotate, the rotating stirring blade 32 makes the medicine and the water body fully mixed, the rotation of the shaft 31 drives the reciprocating spiral groove to rotate, the rotation of the reciprocating spiral groove makes the stirring plate 33 move up and down, the medicine precipitated at the bottom of the inner wall of the treatment tank 8 is drained into the working range of the stirring blade 32 through the movement of the stirring plate 33, during the rotation of the tripod 30, there may be objects remaining on the top of the tripod 30 that cannot fall off, at this time, the rotation of the shaft 31 drives the fixed plate 34 to rotate, the rotation of the fixed plate 34 drives the brush 35 to move, the brush 35 contacts the tripod 30 to brush off the impurities on the surface, prevent these impurities from accumulating and causing blockage at the connection between the shaft 31 and the tripod 30, the impurities dropped from the filter plate 22 are discharged through the drain outlet 37, and the mixed water is discharged through the output outlet 36.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sponge city water purification device, comprising an ecological floating island (1), a water collection pipe (3) and a treatment tank (8), characterized in that: The water collecting pipe (3) is arranged below the ecological floating island (1), the processing tank (8) is arranged below the water collecting pipe (3), and a collecting device, a processing device and an auxiliary device are arranged below the ecological floating island (1); The collecting device comprises a culture plate (2), a fixed rod (4), a floating ball (5), a flow-discarding ball (6), a water tank (7), a water inlet (9), a baffle (10), an electric push rod (11), a connecting button (12), a circular groove block (13), a rotating motor (14) and a circular rod (15); the culture plate (2) is arranged on the top of the ecological floating island (1); ecological plants are arranged inside the culture plate (2); the fixed rod (4) is slidably mounted on the inner wall of the water collecting pipe (3); the floating ball (5) is fixedly mounted on the circumferential surface of the fixed rod (4); the flow-discarding ball (6) is fixedly mounted on the circumferential surface of the fixed rod (4); the water tank (7) is arranged on the top of the ecological floating island (1); the water inlet (9) is arranged on the inner wall of the treatment tank (8); The water filling port (9) is connected to the processing tank (8), the baffle (10) is rotatably mounted on the inner wall of the water filling port (9), the fixed end of the electric push rod (11) is fixedly mounted on the surface of the water filling port (9), one side of the connecting button (12) is fixedly mounted on the output end of the electric push rod (11), the circular groove block (13) is fixedly mounted on the surface of the baffle (10) close to the electric push rod (11), the other side of the connecting button (12) is slidably mounted on the inner wall of the circular groove block (13), the fixed end of the rotating motor (14) is fixedly mounted on the top of the processing tank (8), the round rod (15) is rotatably mounted on the surface of the processing tank (8), and the round rod (15) is transmission-connected to the output end of the rotating motor (14) via a No. 1 belt.

2. A sponge city water purification device according to claim 1, characterized in that: The bottom of the ecological floating island (1) is connected to a water collecting pipe (3), and the water collecting pipe (3) is connected to a water filling port (9).

3. A sponge city water purification device according to claim 2, characterized in that: The processing device comprises a fixed block (20), a rotating rod (21) and a filter plate (22); the fixed block (20) is fixedly inserted through the inner and outer walls of the processing tank (8); the rotating rod (21) is rotatably mounted on the inner wall of the fixed block (20); and the filter plate (22) is fixedly mounted on the surface of the rotating rod (21).

4. A sponge city water purification device according to claim 3, characterized in that: The processing device further comprises a ratchet wheel (23) and a limiting rod (24), wherein a fixing button of the ratchet wheel (23) is mounted on the circumferential surface of the rotating rod (21), and the limiting rod (24) is slidably mounted on the surface of the fixing block (20), a No. 1 spring is arranged between the limiting rod (24) and the fixing block (20), and the bottom of the limiting rod (24) is arranged as an inclined surface.

5. A sponge city water purification device according to claim 4, characterized in that: The processing device further comprises a medicine tank (25), a crushing piece (26), a conveying pipe (27) and a scraper rod (28); the medicine tank (25) is fixedly mounted on the surface of the processing tank (8); the crushing piece (26) is fixedly mounted on the circumferential surface of the round rod (15); the conveying pipe (27) connects the medicine tank (25) and the processing tank (8); and the scraper rod (28) is fixedly mounted on the circumferential surface of the round rod (15).

6. A sponge city water purification device according to claim 5, characterized in that: The processing device further comprises a gear 1 (29) and a gear 2 (210), wherein the gear 1 (29) is fixedly mounted on the bottom of the scraper rod (28), and the gear 2 (210) is rotatably mounted on the inner wall of the processing tank (8), and the gear 1 (29) is meshed with the gear 2 (210).

7. A sponge city water purification device according to claim 6, characterized in that: The auxiliary device comprises a tripod (30), a rotating shaft (31), a stirring blade (32) and a stirring plate (33); the tripod (30) is fixedly mounted on the inner wall of the second gear (210); the rotating shaft (31) is fixedly mounted on the inner wall of the tripod (30); a reciprocating spiral groove is formed on the circumferential surface of the rotating shaft (31); the stirring blade (32) is fixedly mounted on the circumferential surface of the rotating shaft (31); and the stirring plate (33) is threadedly mounted on the circumferential surface of the rotating shaft (31).

8. A sponge city water purification device according to claim 7, characterized in that: The auxiliary device further comprises a fixing plate (34), a brush (35), an output port (36) and a sewage outlet (37); the fixing plate (34) is fixedly mounted on the top of the rotating shaft (31); the brush (35) is arranged on a surface of the fixing plate (34) close to the tripod (30); the output port (36) is arranged on the circumferential surface of the processing tank (8); the sewage outlet (37) is arranged on the circumferential surface of the processing tank (8); the output port (36) is communicated with the processing tank (8); a valve 1 is arranged on the circumferential surface of the output port (36); the sewage output port (37) is communicated with the processing tank (8); a valve 2 is arranged on the circumferential surface of the sewage outlet (37).

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