Ecological gate dam device with water quality self-purification function and method thereof

Abstract

The invention relates to the field of ecological gate dams, in particular to a water quality self-purification ecological gate dam device and a method thereof.The water quality self-purification ecological gate dam device comprises a gate dam body and a water quality purification device, the water quality purification device comprises a rectangular frame with openings in the two sides, and the rectangular frame is installed in the gate dam body; according to the gate dam, the water quality purification device is combined with the gate dam body, when water flow passes through the gate dam body, the water flow can be primarily purified through the purification box firstly, then purification liquid is sprayed into the primarily-purified water flow through the pesticide spraying mechanism, and the water flow can be purified through the purification box; the water flow can be stirred during spraying, so that the mixing effect of the water flow and the purification liquid can be improved, the comprehensive mixing of the water flow and the purification liquid is realized, the water purification effect is ensured, the position of the water purification device does not need to be changed, and the workload is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of ecological dams, and in particular to an ecological dam device for self-purification of water quality and a method thereof. Background Art

[0002] The canal system is an important component of the urban natural environment and agricultural ecosystem, and is also one of the most dynamic factors in the urban and rural ecosystems. It not only plays a water conservancy function of flood prevention and disaster reduction, but also creates a harmonious natural landscape, playing an extremely important role in social and economic development. A large amount of untreated or incompletely treated sewage is discharged into rivers, lakes and other water bodies through the canal systems at all levels, resulting in the overall deterioration of the water quality of rivers and lakes. Therefore, intercepting and purifying pollutants at the source of the canal systems at all levels has become an important measure for water environment protection.

[0003] At present, when purifying water, it is usually necessary to spray purification liquid into the river channel, and use a series of chemical reactions between the water flow and the purification liquid to reduce the concentration of pollutants. This method can effectively reduce the non-point source pollution caused by pollutants to downstream water bodies. However, when spraying purification liquid into the river channel, the position of the water purification device needs to be constantly moved to achieve comprehensive spraying of the purification liquid. Not only is the workload huge, but it is also easy to miss something, which affects the purification effect of the water quality.

[0004] Therefore, the present invention provides an ecological dam device for self-purification of water quality to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an ecological dam device and method for self-purification of water quality, so as to solve the problem that when spraying purification liquid into the river channel, the position of the device needs to be constantly moved to achieve comprehensive spraying of the purification liquid, which not only has a huge workload but is also prone to omissions.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] An ecological dam device for water self-purification comprises a dam body and a water purification device, wherein the water purification device comprises a rectangular frame with openings on both sides, the rectangular frame is installed inside the dam body, a plurality of partitions arranged at equal distances are fixedly connected inside the rectangular frame, a water purification box is arranged between the inner wall of the rectangular frame and the partition and between two adjacent partitions, and a spraying mechanism is arranged on one side of the water purification box;

[0008] The spraying mechanism includes a U-shaped frame and a plurality of liquid storage cylinders arranged at equal distances, the U-shaped frame is fixedly connected to the upper surface of the rectangular frame, the outer surface of each of the liquid storage cylinders is fixedly connected to two support columns, and one end of the support column away from the liquid storage cylinder is fixedly connected to the upper surface of the U-shaped frame, the bottom of each of the liquid storage cylinders is fixedly connected to a liquid spraying pipe, and one end of the liquid spraying pipe away from the liquid storage cylinder passes through the U-shaped frame and is plugged into the inside of the rectangular frame, and a liquid blocking component is provided on each of the liquid storage cylinders;

[0009] A shell is fixedly connected to the top of the rectangular frame, and a plurality of stirring shafts arranged at equal distances are rotatably installed between the shell and the inner bottom wall of the rectangular frame. A plurality of stirring blades are fixedly connected to the outer surface of each stirring shaft. A driving assembly is arranged on the shell, and the driving assembly is used to drive the plurality of stirring shafts to rotate and the plurality of liquid blocking assemblies to move upward.

[0010] Preferably, the water purification box includes a purification box body, a rectangular groove for the purification box body to pass through is opened on the top of the rectangular frame, and the bottom of the purification box body passes through the rectangular groove and contacts the inner bottom wall of the rectangular frame, and a mounting plate is fixedly connected to the top of the purification box body, and the mounting plate is mounted on the top of the rectangular frame by screws.

[0011] Preferably, the liquid blocking assembly includes a liquid blocking ball and a lifting plate, the top of the liquid blocking ball is fixedly connected with a connecting column, the end of the connecting column away from the liquid blocking ball passes through the liquid storage cylinder and is fixedly connected to the bottom surface of the lifting plate, the bottom surface of the lifting plate is fixedly connected with a spring, and the end of the spring away from the lifting plate is fixedly connected to the upper surface of the liquid storage cylinder.

[0012] Preferably, a tooth plate and a sleeve are fixedly connected to the bottom surface of the lifting plate, the bottom end of the sleeve is in contact with the upper surface of the liquid storage cylinder, and the spring is located inside the sleeve.

[0013] Preferably, the driving mechanism includes a dual-axis motor mounted on the upper surface of the shell, the two output ends of the dual-axis motor are fixedly connected to a driving shaft, the upper surface of the shell is fixedly connected to two symmetrical support plates, the ends of the two driving shafts that are away from each other are respectively rotatably connected to the inside of the two support plates, and the outer surfaces of the two driving shafts are fixedly connected to a plurality of incomplete gears, and the incomplete gears are meshed with the gear plates.

[0014] Preferably, a driven shaft is rotatably installed inside the shell, and two second synchronous wheels are fixedly connected to the outer surface of the driven shaft. The outer surfaces of the two driving shafts are fixedly connected to the first synchronous wheels, and the first synchronous wheels are connected to the second synchronous wheels through a synchronous belt transmission.

[0015] Preferably, a plurality of first bevel gears are fixedly connected to the outer surface of the driven shaft, a second bevel gear is fixedly connected to the outer surface of each stirring shaft, and the second bevel gears are meshed with the first bevel gears.

[0016] Preferably, the top of each liquid storage cylinder is fixedly connected to a liquid adding tube, and each liquid adding tube is threadedly connected to a tube cap.

[0017] A method for an ecological dam device for self-purification of water quality, the steps of which are: when water flows through the water purification device, the water purification box will first perform preliminary purification on the water flow, and then start the double-axis motor, the double-axis motor can drive two driving shafts to rotate, the driving shaft rotation can drive the incomplete gear to rotate accordingly, the incomplete gear rotation can drive the tooth plate to move upward, the tooth plate movement can drive the lifting plate and the liquid blocking ball to move upward and stretch the spring, the liquid blocking ball moves upward to leak out of the opening at the top of the spray pipe, so that the internal purification liquid of the liquid storage cylinder will flow into the interior of the spray pipe, and then be sprayed into the water flow inside the rectangular frame through the spray pipe, thereby achieving further purification of the water quality, and when the incomplete When all the gears rotate until they are no longer in contact with the tooth plate, the tooth plate and the liquid blocking ball will move downward to reset under the action of the spring. At this time, the liquid blocking ball can block the purified liquid inside the liquid storage cylinder, thereby realizing the automatic interval spraying of the purified liquid, and then on the premise of ensuring the comprehensive mixing of the water flow and the purified liquid, the purified liquid can be effectively saved. While spraying the purified liquid, the driven shaft can also drive multiple stirring shafts to rotate synchronously. The rotation of the stirring shaft can drive the stirring blades to rotate accordingly. The rotation of the stirring blades can stir the water flow inside the rectangular frame, thereby realizing the stirring and mixing of the water flow and the purified liquid while spraying the purified liquid, thereby effectively improving the mixing effect of the water flow and the purified liquid.

[0018] The beneficial effects of the present invention are:

[0019] 1. The present invention combines a water purification device with a dam body. When water flows through the dam body, the purification box can be used to preliminarily purify the water flow, and then the spraying mechanism can be used to spray the purification liquid into the preliminarily purified water flow. The water flow can be stirred while spraying the medicine, thereby improving the mixing effect of the water flow and the purification liquid. In addition, the water flow and the purification liquid are fully mixed, ensuring the water purification effect, and the position of the water purification device does not need to be changed, which greatly reduces the workload.

[0020] 2. The present invention can realize automatic interval spraying of purification liquid through the cooperation between the lifting plate, spring, sleeve, tooth plate, incomplete gear, connecting column and lifting plate, thereby effectively saving purification liquid under the premise of ensuring comprehensive mixing of water flow and purification liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 is a cross-sectional view of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the hidden dam body of the present invention;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the driving assembly, stirring shaft and stirring blade of the present invention;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the spraying mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the internal structure of the liquid storage cylinder of the present invention.

[0027] In the figure: 1. dam body; 2. rectangular frame; 3. partition; 4. purification box body; 5. mounting plate; 6. shell; 7. double-axis motor; 8. support plate; 9. driving shaft; 10. driven shaft; 11. first synchronous wheel; 12. first bevel gear; 13. second bevel gear; 14. stirring shaft; 15. stirring blade; 16. U-shaped frame; 17. liquid storage cylinder; 18. support column; 19. liquid adding pipe; 20. liquid blocking ball; 21. connecting column; 22. lifting plate; 23. tooth plate; 24. incomplete gear; 25. spring; 26. sleeve; 27. liquid spray pipe; 28. second synchronous wheel. DETAILED DESCRIPTION

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0029] An ecological dam device for self-purification of water quality, such as Figure 1-3 As shown, it includes a dam body 1 and a water purification device. The water purification device includes a rectangular frame 2 with openings on both sides. The rectangular frame 2 is installed inside the dam body 1. A plurality of equidistantly arranged partitions 3 are fixedly connected inside the rectangular frame 2. A water purification box is arranged between the inner wall of the rectangular frame 2 and the partition 3 and between two adjacent partitions 3. The dam body 1 includes a dam body and two gates. The water purification device is located between the two gates. After the two gates are opened, the bottom of the gate is flush with the top of the rectangular frame 2. At this time, the upstream water will flow to the downstream through the water purification device, so that the water flow can be fully purified without changing the position of the water purification device.

[0030] like Figure 1-3As shown, the water purification box includes a purification box body 4, a rectangular groove for the purification box body 4 to pass through is opened on the top of the rectangular frame 2, and the bottom of the purification box body 4 passes through the rectangular groove and contacts the inner bottom wall of the rectangular frame 2, and a mounting plate 5 is fixedly connected to the top of the purification box body 4, and the mounting plate 5 is installed on the top of the rectangular frame 2 by screws. The purification box body 4 utilizes the physical blocking effect of the filter element to intercept solid impurities, microorganisms and macromolecular substances in the water to achieve preliminary purification, and then utilizes the strong adsorption capacity of activated carbon to adsorb organic matter, odor and some heavy metal ions in the water to improve the purity of the water quality. After unscrewing the screws from the mounting plate 5, the purification box body 4 can be taken out of the rectangular frame 2 for cleaning.

[0031] like Figure 2 , Figure 3 and Figure 5 As shown, a spraying mechanism is provided on one side of the water purification box, and the spraying mechanism includes a U-shaped frame 16 and a plurality of liquid storage cylinders 17 arranged at equal distances. The U-shaped frame 16 is fixedly connected to the upper surface of the rectangular frame 2, and the outer surface of each liquid storage cylinder 17 is fixedly connected to two support columns 18, and the support columns 18 are fixedly connected to the upper surface of the U-shaped frame 16 at one end away from the liquid storage cylinder 17, and the bottom of each liquid storage cylinder 17 is fixedly connected to a spraying pipe 27, and the end of the spraying pipe 27 away from the liquid storage cylinder 17 passes through the U-shaped frame 16 and is inserted into the inside of the rectangular frame 2, and the liquid storage cylinder 17 is made of transparent material to facilitate the staff to check the purified liquid capacity inside the liquid storage cylinder 17.

[0032] like Figure 3 , Figure 5 and Figure 6 As shown, the liquid blocking assembly includes a liquid blocking ball 20 and a lifting plate 22. A connecting column 21 is fixedly connected to the top of the liquid blocking ball 20. The end of the connecting column 21 away from the liquid blocking ball 20 passes through the liquid storage cylinder 17 and is fixedly connected to the bottom surface of the lifting plate 22. A spring 25 is fixedly connected to the bottom surface of the lifting plate 22. The end of the spring 25 away from the lifting plate 22 is fixedly connected to the upper surface of the liquid storage cylinder 17. The outer diameter of the liquid blocking ball 20 is matched with the inner diameter of the spray pipe 27. In the initial state, the liquid blocking ball 20 is clamped at the connection between the liquid storage cylinder 17 and the spray pipe 27. At this time, the liquid blocking ball 20 can block the purified liquid inside the liquid storage cylinder 17. When the liquid blocking ball 20 moves upward to the inside of the liquid storage cylinder 17, the purified liquid inside the liquid storage cylinder 17 will flow into the inside of the spray pipe 27, and then be sprayed into the water flow inside the rectangular frame 2 through the spray pipe 27.

[0033] like Figure 5 and Figure 6As shown, the bottom surface of the lifting plate 22 is fixedly connected with a tooth plate 23 and a sleeve 26, the tooth plate 23 is located on one side of the liquid storage cylinder 17, the bottom end of the sleeve 26 is in contact with the upper surface of the liquid storage cylinder 17, and the spring 25 is located inside the sleeve 26. The sleeve 26 can shield and protect the spring 25 to reduce the probability of the spring 25 being rusted and damaged.

[0034] like Figure 2-4 As shown, a shell 6 is fixedly connected to the top of the rectangular frame 2, and a plurality of stirring shafts 14 arranged at equal distances are rotatably installed between the shell 6 and the inner bottom wall of the rectangular frame 2, and a plurality of stirring blades 15 are fixedly connected to the outer surface of each stirring shaft 14. A driving assembly is provided on the shell 6, and the driving assembly is used to drive the plurality of stirring shafts 14 to rotate and the plurality of liquid blocking assemblies to move upward. The driving mechanism includes a double-axis motor 7 installed on the upper surface of the shell 6, and the two output ends of the double-axis motor 7 are fixedly connected to the driving shaft 9. Two symmetrical support plates 8 are fixedly connected to the upper surface of the shell 6, and the ends of the two driving shafts 9 that are away from each other are rotatably connected to the inside of the two support plates 8 respectively. A plurality of incomplete gears 24 are fixedly connected to the outer surfaces of the two driving shafts 9, and the incomplete gears 24 are meshed with the tooth plate 23, and the incomplete gears 24 correspond to the tooth plate 23 one by one. When the double-axis motor 7 is started, the double-axis motor 7 can drive The two driving shafts 9 rotate, and the rotation of the driving shaft 9 can drive the incomplete gear 24 to rotate accordingly. The rotation of the incomplete gear 24 can drive the tooth plate 23 to move upward. The movement of the tooth plate 23 can drive the lifting plate 22 and the liquid blocking ball 20 to move upward and stretch the spring 25. The liquid blocking ball 20 moves upward to leak out of the opening at the top of the spray pipe 27, so that the internal purified liquid of the liquid storage cylinder 17 will flow into the interior of the spray pipe 27, and then be sprayed into the water flow inside the rectangular frame 2 through the spray pipe 27 to achieve water purification. When the incomplete gear 24 rotates to no longer contact the tooth plate 23, under the action of the spring 25, the tooth plate 23 and the liquid blocking ball 20 will move downward to reset. At this time, the liquid blocking ball 20 can block the purified liquid inside the liquid storage cylinder 17, thereby realizing automatic intermittent spraying of the purified liquid, and then on the premise of ensuring the comprehensive mixing of the water flow and the purified liquid, the purified liquid can be effectively saved.

[0035] like Figure 2 and Figure 4 As shown, a driven shaft 10 is rotatably installed inside the shell 6, and two second synchronous wheels 28 are fixedly connected to the outer surface of the driven shaft 10. The outer surfaces of the two driving shafts 9 are fixedly connected to the first synchronous wheels 11, and the first synchronous wheels 11 and the second synchronous wheels 28 are connected through a synchronous belt transmission. A notch adapted to the synchronous belt is opened inside the shell 6. Under the action of the first synchronous wheel 11, the second synchronous wheel 28 and the synchronous belt, the driving shaft 9 can drive the driven shaft 10 to rotate accordingly while rotating.

[0036] like Figure 2 and Figure 4 As shown, a plurality of first bevel gears 12 are fixedly connected to the outer surface of the driven shaft 10, a second bevel gear 13 is fixedly connected to the outer surface of each stirring shaft 14, and the second bevel gear 13 is meshed with the first bevel gear 12, and the second bevel gear 13 corresponds to the first bevel gear 12 one by one. Under the action of the first bevel gear 12 and the second bevel gear 13, the plurality of stirring shafts 14 can be driven to rotate synchronously while the driven shaft 10 rotates, and the rotation of the stirring shaft 14 can drive the stirring blade 15 to rotate accordingly. The rotation of the stirring blade 15 can stir the water flow inside the rectangular frame 2, thereby achieving stirring and mixing of the water flow and the purification liquid while spraying the purification liquid, thereby effectively improving the mixing effect of the water flow and the purification liquid.

[0037] like Figure 5 As shown, the top of each liquid storage cylinder 17 is fixedly connected to a liquid adding tube 19 , and each liquid adding tube 19 is threadedly connected to a tube cover. After the tube cover is unscrewed from the liquid adding tube 19 , the purified liquid can be added to the interior of the liquid storage cylinder 17 .

[0038] Working principle: when water flows through the water purification device, the water purification box will first perform preliminary purification on the water flow, and then start the dual-axis motor 7, which can drive the two active shafts 9 to rotate, and the rotation of the active shaft 9 can drive the incomplete gear 24 to rotate accordingly, and the rotation of the incomplete gear 24 can drive the tooth plate 23 to move upward, and the movement of the tooth plate 23 can drive the lifting plate 22 and the liquid blocking ball 20 to move upward and stretch the spring 25, and the liquid blocking ball 20 can move upward to leak out of the opening at the top of the spray pipe 27, so that the purified liquid inside the liquid storage cylinder 17 will flow into the interior of the spray pipe 27, and then be sprayed into the water flow inside the rectangular frame 2 through the spray pipe 27, thereby achieving further purification of the water quality, and when the incomplete gear 24 rotates to When not in contact with the tooth plate 23, under the action of the spring 25, the tooth plate 23 and the liquid blocking ball 20 will move downward to reset. At this time, the liquid blocking ball 20 can block the purified liquid inside the liquid storage cylinder 17, thereby realizing the automatic intermittent spraying of the purified liquid, and then on the premise of ensuring the comprehensive mixing of the water flow and the purified liquid, the purified liquid can be effectively saved. While spraying the purified liquid, the driven shaft 10 can also drive multiple stirring shafts 14 to rotate synchronously. The rotation of the stirring shaft 14 can drive the stirring blade 15 to rotate accordingly. The rotation of the stirring blade 15 can stir the water flow inside the rectangular frame 2, thereby realizing the stirring and mixing of the water flow and the purified liquid while spraying the purified liquid, thereby effectively improving the mixing effect of the water flow and the purified liquid.

[0039] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0040] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. An ecological dam device for self-purification of water quality, comprising a dam body (1) and a water purification device, characterized in that: The water purification device comprises a rectangular frame (2) with openings on both sides, the rectangular frame (2) being installed inside the dam body (1), a plurality of equidistantly arranged partitions (3) being fixedly connected inside the rectangular frame (2), a water purification box being arranged between the inner wall of the rectangular frame (2) and the partition (3) and between two adjacent partitions (3), and a spraying mechanism being arranged on one side of the water purification box; The spraying mechanism comprises a U-shaped frame (16) and a plurality of liquid storage cylinders (17) arranged at equal distances, the U-shaped frame (16) being fixedly connected to the upper surface of the rectangular frame (2), the outer surface of each of the liquid storage cylinders (17) being fixedly connected to two support columns (18), and one end of the support column (18) away from the liquid storage cylinder (17) being fixedly connected to the upper surface of the U-shaped frame (16), the bottom of each of the liquid storage cylinders (17) being fixedly connected to a liquid spraying pipe (27), and one end of the liquid spraying pipe (27) away from the liquid storage cylinder (17) passing through the U-shaped frame (16) and plugged into the interior of the rectangular frame (2), and a liquid blocking component is arranged on the top of each of the liquid storage cylinders (17); The top of the rectangular frame (2) is fixedly connected to a shell (6); a plurality of stirring shafts (14) arranged at equal distances are rotatably mounted between the shell (6) and the inner bottom wall of the rectangular frame (2); a plurality of stirring blades (15) are fixedly connected to the outer surface of each stirring shaft (14); a driving assembly is arranged on the shell (6), and the driving assembly is used to drive the plurality of stirring shafts (14) to rotate and the plurality of liquid blocking assemblies to move upward.

2. The ecological dam device for water self-purification according to claim 1, characterized in that: The water purification box comprises a purification box body (4); a rectangular groove for the purification box body (4) to pass through is provided on the top of the rectangular frame (2); the bottom of the purification box body (4) passes through the rectangular groove and contacts the inner bottom wall of the rectangular frame (2); a mounting plate (5) is fixedly connected to the top of the purification box body (4); and the mounting plate (5) is mounted on the top of the rectangular frame (2) by means of screws.

3. The ecological dam device for water self-purification according to claim 2 is characterized in that: The liquid blocking component comprises a liquid blocking ball (20) and a lifting plate (22); the top of the liquid blocking ball (20) is fixedly connected to a connecting column (21); the end of the connecting column (21) away from the liquid blocking ball (20) passes through the liquid storage cylinder (17) and is fixedly connected to the bottom surface of the lifting plate (22); the bottom surface of the lifting plate (22) is fixedly connected to a spring (25); the end of the spring (25) away from the lifting plate (22) is fixedly connected to the upper surface of the liquid storage cylinder (17).

4. The ecological dam device for water self-purification according to claim 3 is characterized in that: The bottom surface of the lifting plate (22) is fixedly connected with a tooth plate (23) and a sleeve (26), the bottom end of the sleeve (26) is in contact with the upper surface of the liquid storage cylinder (17), and the spring (25) is located inside the sleeve (26).

5. The ecological dam device for water self-purification according to claim 4, characterized in that: The driving mechanism comprises a dual-axis motor (7) mounted on the upper surface of a housing (6), the two output ends of the dual-axis motor (7) are fixedly connected to a driving shaft (9), the upper surface of the housing (6) is fixedly connected to two symmetrical support plates (8), the ends of the two driving shafts (9) that are away from each other are rotatably connected to the inside of the two support plates (8), and the outer surfaces of the two driving shafts (9) are fixedly connected to a plurality of incomplete gears (24), and the incomplete gears (24) are meshed with the toothed plates (23).

6. The ecological dam device for water self-purification according to claim 5, characterized in that: A driven shaft (10) is rotatably mounted inside the housing (6); two second synchronous wheels (28) are fixedly connected to the outer surface of the driven shaft (10); the outer surfaces of the two driving shafts (9) are both fixedly connected to the first synchronous wheels (11); and the first synchronous wheels (11) and the second synchronous wheels (28) are connected via a synchronous belt transmission.

7. The ecological dam device for water self-purification according to claim 6, characterized in that: A plurality of first bevel gears (12) are fixedly connected to the outer surface of the driven shaft (10), a second bevel gear (13) is fixedly connected to the outer surface of each stirring shaft (14), and the second bevel gear (13) is meshed with the first bevel gear (12).

8. The ecological dam device for water self-purification according to claim 7, characterized in that: The top of each liquid storage cylinder (17) is fixedly connected to a liquid adding pipe (19), and each liquid adding pipe (19) is threadedly connected to a pipe cap.

9. The method of an ecological dam device for water self-purification according to claim 8, characterized in that: The steps are as follows: when water flows through the water purification device, the water purification box will first perform preliminary purification on the water flow, and then start the double-axis motor (7), the double-axis motor (7) can drive the two driving shafts (9) to rotate, the driving shaft (9) can drive the incomplete gear (24) to rotate accordingly, the incomplete gear (24) can drive the tooth plate (23) to move upward, the tooth plate (23) can drive the lifting plate (22) and the liquid blocking ball (20) to move upward and stretch the spring (25), the liquid blocking ball (20) moves upward to leak out of the opening at the top of the liquid spraying pipe (27), so that the purified liquid in the liquid storage cylinder (17) will flow into the inside of the liquid spraying pipe (27), and then be sprayed into the water flow inside the rectangular frame (2) through the liquid spraying pipe (27), thereby achieving further purification of the water quality, and when the incomplete gear (24) When the tooth plate (24) is rotated to not contact the tooth plate (23), the tooth plate (23) and the liquid blocking ball (20) will move downward to reset under the action of the spring (25). At this time, the liquid blocking ball (20) can block the purified liquid inside the liquid storage cylinder (17), thereby realizing automatic interval spraying of the purified liquid, and further, on the premise of ensuring the comprehensive mixing of the water flow and the purified liquid, the purified liquid can be effectively saved. While spraying the purified liquid, the driven shaft (10) can also drive the multiple stirring shafts (14) to rotate synchronously. The rotation of the stirring shaft (14) can drive the stirring blade (15) to rotate accordingly. The rotation of the stirring blade (15) can stir the water flow inside the rectangular frame (2), thereby realizing stirring and mixing the water flow and the purified liquid while spraying the purified liquid, thereby effectively improving the mixing effect of the water flow and the purified liquid.

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