Practical water purification device for circulating water culture pond

Abstract

The invention relates to the technical field of water quality purification, and discloses a practical circulating water culture pond water quality purification device which comprises a water inlet pipe, the rear side face of the water inlet pipe is fixedly connected with a filter box, the inner wall of the water inlet pipe is fixedly connected with a supporting plate, and the end, away from the inner wall of the water inlet pipe, of the supporting plate is fixedly connected with a protective sleeve. According to the device, a movable scraping plate rotates and scrapes off pollutants adhering to the inner wall of the water inlet pipe, the situation that the pollutants adhere to and accumulate in the water inlet pipe, and consequently the water inlet pipe is blocked is prevented, and the water inlet pipe is prevented from being blocked; the movable baffle is opened to enable pollutants to fall out of the water inlet pipe, and the movable baffle is closed to continue to convey the sewage, so that the pollutants are further prevented from being accumulated in the water inlet pipe, and the sewage treatment efficiency is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of water purification, in particular to a practical circulating water aquaculture pond water purification device. Background Art

[0002] Aquaculture pond water purification equipment is a device used to improve and maintain the quality of aquaculture water. It usually removes suspended matter, organic matter, ammonia nitrogen, nitrite and other harmful substances in the water through physical filtration, biodegradation, chemical treatment or composite technology to ensure the healthy growth of aquatic organisms, improve aquaculture efficiency, and reduce water pollution and resource waste. In the existing technology, it is difficult to quickly remove impurities remaining in the device during the water purification cycle filtration process, resulting in insufficient filtration effect.

[0003] The patent with the announcement number CN212403735U discloses a water purification device for an ecological breeding pond of a Chinese soft-shelled turtle. The patent includes a purification box, a filter box is arranged in the purification box, and the top of the filter box is movably connected to the top of the purification box through a pull rod, an isolation plate is vertically installed at the bottom of the purification box, and the isolation plate is arranged along the length direction of the filter box, a plurality of partition plates are vertically installed in the filter box, and filter plates are respectively arranged between the partition plates, a plurality of water outlet pipes are connected to the filter box, and one end of the water outlet pipe is arranged between the filter plate and the partition plate, and a vibrating spring is arranged in the purification box. The filter box is powered by a vibration motor, and an inclined filter plate is arranged in the filter box. When the pool water enters the purification box, most of the impurities on the surface are filtered out through preliminary filtration, and a water outlet pipe and a residue outlet box are arranged at the bottom of the filter box respectively, which can clearly separate the filtered water and the residue. Although this patent solves the above problems, it is still difficult to remove the impurities accumulated on the inner wall of the filter device, and the impurities are easily mixed with sewage during the water circulation process, resulting in an insufficient filtering effect. Therefore, a practical circulating aquaculture pond water purification device is proposed to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a practical circulating water aquaculture pond water purification device in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a practical circulating aquaculture pond water purification device, comprising a water inlet pipe, a filter box is fixedly connected to the rear side of the water inlet pipe, a support plate is fixedly connected to the inner wall of the water inlet pipe, a protective sleeve is fixedly connected to the end of the support plate away from the inner wall of the water inlet pipe, a main shaft is rotatably connected to the inner surface of the rear side of the protective sleeve, a filter screen is fixedly connected to the inner wall of the water inlet pipe, a transmission plate is fixedly connected to the circumferential surface of the main shaft, a filter dredging device for preventing the filter screen from being blocked is arranged inside the filter box, an impurity gathering device for gathering separated impurities is arranged at the bottom of the filter box, a connecting rod is fixedly connected to one side of the transmission plate, a rotating sleeve shaft is hinged on the circumferential surface of the connecting rod, and the rotating sleeve shaft is hinged on the circumferential surface of the rotating sleeve shaft. The circumferential surface of the sleeve shaft is fixedly connected with a movable scraper, the inner wall of the water inlet pipe is fixedly connected with a baffle, the inner wall of the water inlet pipe is fixedly connected with a triangular smear block, a movable baffle is arranged between the triangular smear blocks, the circumferential surface of the main shaft is fixedly connected with a connecting sleeve shaft, the circumferential surface of the connecting sleeve shaft is fixedly connected with a clamping block, a torsion spring is arranged at the hinge of the connecting rod and the rotating sleeve shaft, the movable scraper and the inner wall of the water inlet pipe are in contact with each other, the triangular smear block and the baffle are fixedly connected on both sides, a through groove is provided at the bottom of the water inlet pipe, and the inner surface of the through groove is hinged to the movable baffle, the main shaft and the inner surface of the filter screen are rotatably connected, the front end of the main shaft is fixedly connected with a motor, and the motor and the inner surface of the protective sleeve are fixedly connected, the front side surface of the connecting sleeve shaft and the rear side surface of the filter screen are in contact with each other.

[0006] Preferably, the filter clearing device includes a seat, a circumferential surface of the seat is fixedly connected to a ring, the inner surface of the ring is rotatably connected to a rotating rod, the circumferential surface of the rotating rod is fixedly connected to bristles, the filter clearing device also includes a clamping ring, the circumferential surface of the clamping ring is fixedly connected to a clamping plate, the inner surface of the filter box is fixedly connected to a support rod, the upper surface of the support rod is hinged with an L-shaped flip cover, the circumferential surface of the seat is fixedly connected to a rotating plate, the circumferential surfaces of the seat and the connecting sleeve shaft are in contact with each other, the clamping block is clamped with the inner surface of the seat, the bristles are in contact with the rear side surface of the filter, the clamping ring is rotatably connected to the rear side surface of the connecting sleeve shaft, the circumferential surface of the clamping ring and the inner surface of the seat are in contact with each other, and the front side surface of the clamping plate and the rear side surface of the seat are in contact with each other.

[0007] Preferably, the impurity gathering device includes a card frame, the inner surface of the filter box is fixedly connected with filter cotton, the inner surface of the filter box is fixedly connected with activated carbon filters on both sides of the inner surface of the filter box, and the lower surface of the water inlet pipe is fixedly connected with the impurity collection tube. The impurity gathering device also includes a support member, the inner surface of the support member is hinged with a torsion rod, the circumferential surface of the torsion rod is fixedly connected with a fixed scraper, the circumferential surface of the torsion rod is fixedly connected with a torsion shaft, the circumferential surface of the torsion shaft is fixedly connected with a transmission curved plate, the circumferential surface of the card seat is fixedly connected with a rotating plate, and the end of the rotating plate away from the card seat is fixedly connected with a resistance rod, the card frame is clamped with the inner surface of the filter box, the impurity collection tube is fixedly connected to the front side surface of the filter box, the support member is fixedly connected to the inner surface of the bottom of the filter box, a torsion spring is arranged at the hinge of the support member and the torsion rod, the fixed scraper and the inner wall of the impurity collection tube contact each other, and the torsion rod and the front side surface of the inner wall of the impurity collection tube are rotatably connected.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects: 1. In this practical circulating aquaculture pond water purification device, the movable scraper rotates and scrapes off the pollutants adhering to the inner wall of the water inlet pipe to prevent the pollutants from adhering and accumulating in the water inlet pipe and causing blockage of the water inlet pipe, so that the water inlet pipe can transport sewage more quickly to improve the filtering efficiency of sewage. Opening the movable baffle allows the pollutants to fall out of the water inlet pipe, and closing the movable baffle can continue to transport sewage, further preventing the pollutants from accumulating in the water inlet pipe, thereby further promoting the efficiency of sewage treatment.

[0009] 2. In this practical circulating aquaculture pond water purification device, the bristles come into contact with the filter and generate friction during rotation, thereby removing pollutants stuck in the gaps of the filter. After the pollutants in the gaps of the filter are removed, the sewage that has been filtered for the first time can flow into the filter box more quickly and be separated from large particles of pollutants, thereby improving the effect of the filter on sewage filtration and separation.

[0010] 3. In this practical circulating aquaculture pond water purification device, when the rotating rod rotates, different sides of the bristles are in contact with the filter, preventing one side of the bristles from continuously contacting the filter and thus adhering to too many impurities, thereby improving the continuous cleaning effect of the bristles, and further effectively unblocking the filter. Opening the L-shaped flap facilitates cleaning and replacement of the bristles, further improving the unblocking effect of the bristles on the filter, and further promoting the effect of the filter on sewage filtration and separation.

[0011] 4. In this practical circulating aquaculture pond water purification device, the activated carbon filter adsorbs organic pollutants in the water, improving the filtering effect of the device. The pollutants scraped off in the water inlet pipe fall into the impurity collection tube, which is convenient for collection and subsequent treatment while preventing pollutants from accumulating in the water inlet pipe and affecting water circulation and filtration. The card frame is disassembled and removed from the filter box, and the pollutants accumulated in the filter box can be cleared, which improves the convenience of cleaning the device and facilitates the device to perform multiple cycle filtrations.

[0012] 5. In this practical circulating aquaculture pond water purification device, the fixed scraper reciprocates and stirs and scrapes the pollutant residues in the impurity collection tube, thereby facilitating the water flow to clean and dredge the pollutant residues in the impurity collection tube, thereby improving the efficiency of subsequent cleaning of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a half-section diagram of the overall structure of the present invention; Figure 3 A half-section view of the water inlet pipe structure of the present invention; Figure 4 A half-section diagram of the filter dredging device structure of the present invention; Figure 5 For the present invention Figure 4 A is a schematic diagram of the enlarged structure of the middle part; Figure 6 A half-section diagram of the structure of the impurity gathering device of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of B.

[0014] In the figure: 1. water inlet pipe; 2. filter box; 3. support plate; 4. protective sleeve; 5. main shaft; 6. filter screen; 7. transmission plate; 8. filter screen dredging device; 9. impurity gathering device; 10. connecting rod; 11. rotating sleeve; 12. movable scraper; 13. shield; 14. triangular plaster block; 15. movable baffle; 16. connecting sleeve; 17. block; 81. card seat; 82. sleeve ring; 83. rotating rod; 84. bristles; 85. snap ring; 86. card plate; 87. support rod; 88. L-shaped flap; 89. rotating plate; 91. card frame; 92. filter cotton; 93. activated carbon filter; 94. impurity collection tube; 95. support; 96. torsion rod; 97. fixed scraper; 98. torsion shaft; 99. transmission curved plate; 910. resistance rod. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-Figure 7 One embodiment of the present invention is: a practical circulating aquaculture pond water purification device, comprising an inlet pipe 1, a filter box 2 is fixedly connected to the rear side of the inlet pipe 1, a support plate 3 is fixedly connected to the inner wall of the inlet pipe 1, a protective sleeve 4 is fixedly connected to the end of the support plate 3 away from the inner wall of the inlet pipe 1, a main shaft 5 is rotatably connected to the inner surface of the rear side of the protective sleeve 4, a filter screen 6 is fixedly connected to the inner wall of the inlet pipe 1, a transmission plate 7 is fixedly connected to the circumferential surface of the main shaft 5, and a filter box 2 is provided inside to prevent the filter from leaking. The filter dredging device 8 is used to clear the filter screen 6 from being blocked. The bottom of the filter box 2 is provided with an impurity gathering device 9 for gathering the separated impurities. The movable scraper 12 rotates and scrapes the pollutants adhering to the inner wall of the water inlet pipe 1 to prevent the pollutants from adhering and accumulating in the water inlet pipe 1 and causing the water inlet pipe 1 to be blocked, so that the water inlet pipe 1 can transport sewage more quickly and improve the filtering efficiency of sewage. A connecting rod 10 is fixedly connected to one side of the transmission plate 7. The circumferential surface of the connecting rod 10 is hinged with a rotating sleeve shaft 11. The circumference of the rotating sleeve shaft 11 is The circumferential surface is fixedly connected with a movable scraper 12, the inner wall of the water inlet pipe 1 is fixedly connected with a baffle 13, the inner wall of the water inlet pipe 1 is fixedly connected with a triangular smear block 14, and a movable baffle 15 is arranged between the triangular smear blocks 14. The circumferential surface of the main shaft 5 is fixedly connected with a connecting sleeve shaft 16, and the circumferential surface of the connecting sleeve shaft 16 is fixedly connected with a clamping block 17. A torsion spring is arranged at the hinge of the connecting rod 10 and the rotating sleeve shaft 11. The movable scraper 12 and the inner wall of the water inlet pipe 1 are in contact with each other, and the triangular smear block 14 and the baffle 13 are fixedly connected on both sides. A through groove is provided at the bottom of the water pipe 1, and the inner surface of the through groove is hinged to the movable baffle 15, the main shaft 5 and the inner surface of the filter screen 6 are rotatably connected, the front end of the main shaft 5 is fixedly connected to a motor, and the motor and the inner surface of the protective sleeve 4 are fixedly connected, the front side of the connecting sleeve 16 and the rear side of the filter screen 6 are in contact with each other, opening the movable baffle 15 allows pollutants to fall out of the water inlet pipe 1, and closing the movable baffle 15 can continue to transport sewage, further preventing pollutants from accumulating in the water inlet pipe 1, thereby further promoting the efficiency of sewage treatment.

[0017] Working principle: biological sewage in the breeding pond is sent into the water inlet pipe 1 through the conveying system, and the large particle pollutants in the sewage are blocked by the filter screen 6. The sewage that has been initially filtered flows into the filter box 2 through the filter screen 6. At this time, the motor is started, and the motor drives the main shaft 5 to rotate, the main shaft 5 drives the transmission plate 7 to rotate, the transmission plate 7 drives the connecting rod 10 to rotate, the connecting rod 10 drives the rotating sleeve shaft 11 to rotate, and the rotating sleeve shaft 11 drives the movable scraper 12 to rotate and scrape off the pollutants adhering to the inner wall of the water inlet pipe 1 to prevent the pollutants from adhering and accumulating in the water inlet pipe 1 and causing the water inlet pipe 1 to be blocked, so that the water inlet pipe 1 can be transported more quickly. The filtration efficiency of sewage is thereby improved. When the movable scraper 12 contacts the triangular plaster block 14 during rotation, the movable scraper 12 and the rotating sleeve shaft 11 are affected by the inclined surface of the triangular plaster block 14 and rotate along the axis of the connecting rod 10 to move an angle, thereby scraping the pollutants scraped from the inner wall of the water inlet pipe 1 onto the triangular plaster block 14, and then the pollutants fall into the through groove opened at the bottom of the water inlet pipe 1. Opening the movable baffle 15 can make the pollutants fall out of the water inlet pipe 1, and closing the movable baffle 15 can continue to transport sewage, further preventing the pollutants from accumulating in the water inlet pipe 1, thereby further promoting the efficiency of sewage treatment.

[0018] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention, the filter dredging device 8 includes a holder 81, the circumferential surface of the holder 81 is fixedly connected with a collar 82, the inner surface of the collar 82 is rotatably connected with a rotating rod 83, the circumferential surface of the rotating rod 83 is fixedly connected with bristles 84, and the bristles 84 contact and generate friction with the filter 6 during rotation, thereby removing pollutants stuck in the gaps of the filter 6. After the pollutants in the gaps of the filter 6 are removed and dropped, the sewage after the initial filtration can flow into the filter box 2 more quickly and be separated from the large particle pollutants, thereby improving the effect of the filter 6 on sewage filtration and separation, the filter dredging device 8 also includes a collar 85, the circumferential surface of the collar 85 is fixedly connected with a card plate 86, the inner surface of the filter box 2 is fixedly connected with a support rod 87, the upper surface of the support rod 87 is hinged with an L-shaped flip cover 88, the holder 81 The circumferential surface of the bristles 84 is fixedly connected with a rotating plate 89, the circumferential surfaces of the holder 81 and the connecting sleeve shaft 16 are in contact with each other, the block 17 is clamped with the inner surface of the holder 81, the bristles 84 are in contact with the rear side of the filter screen 6, the snap ring 85 is rotatably connected to the rear side of the connecting sleeve shaft 16, the circumferential surface of the snap ring 85 and the inner surface of the holder 81 are in contact with each other, the front side of the clamping plate 86 and the rear side of the holder 81 are in contact with each other, and when the rotating rod 83 rotates, different surfaces of the bristles 84 are in contact with the filter screen 6 to prevent one side of the bristles 84 from continuously contacting the filter screen 6 and thus adhering to too many impurities, thereby improving the continuous cleaning effect of the bristles 84, and then more effectively dredging the filter screen 6, opening the L-shaped flip cover 88 facilitates the cleaning and replacement of the bristles 84, further improving the dredging effect of the bristles 84 on the filter screen 6, and then again promoting the effect of the filter screen 6 on sewage filtration and separation.

[0019] Working principle: the rotation of the main shaft 5 drives the connecting sleeve shaft 16 to rotate, the connecting sleeve shaft 16 drives the clamping block 17 to rotate, the clamping block 17 drives the clamping seat 81 to rotate, the clamping seat 81 drives the collar 82 to rotate, the collar 82 drives the rotating rod 83 and the bristles 84 to rotate, and the bristles 84 contact with the filter screen 6 and generate friction during the rotation process, thereby removing the pollutants stuck in the gaps of the filter screen 6. After the pollutants in the gaps of the filter screen 6 are removed and dropped, the sewage can flow into the filter box 2 more quickly after the initial filtration and be separated from the large particle pollutants, thereby improving the effect of the filter screen 6 on sewage filtration and separation. After the bristles 84 contact and generate friction with the filter screen 6, the rotating rod 83 is driven to rotate in the collar 82 through the action of friction, and when the rotating rod 83 rotates, the bristles 84 are not The same surface is in contact with the filter screen 6, preventing one side of the bristles 84 from continuously contacting the filter screen 6 and thus adhering to too many impurities, thereby improving the continuous cleaning effect of the bristles 84, and then more effectively dredging the filter screen 6, and rotating and flipping the L-shaped flap 88 along the hinge between the L-shaped flap 88 and the support rod 87. At this time, the screws between the retaining ring 85 and the connecting sleeve shaft 16 are removed, and the retaining ring 85 is rotated. The retaining ring 85 drives the card plate 86 to align with the card block 17, and then the card seat 81 is moved forward, so that it can be quickly removed from the main shaft 5, and then taken out from the filter box 2, so as to facilitate the cleaning and replacement of the bristles 84, further improving the dredging effect of the bristles 84 on the filter screen 6, and then again promoting the effect of the filter screen 6 on sewage filtration and separation.

[0020] See also Figure 1-Figure 7On the basis of the above-mentioned embodiment, in another embodiment of the present invention, the impurity gathering device 9 includes a card frame 91, a filter cotton 92 is fixedly connected to the inner surface of the filter box 2, an activated carbon filter 93 is fixedly connected to both sides of the inner surface of the filter box 2, and an impurity collecting cylinder 94 is fixedly connected to the lower surface of the water inlet pipe 1. The activated carbon filter 93 adsorbs organic pollutants in the water, thereby improving the filtering effect of the device. The pollutants scraped off in the water inlet pipe 1 fall into the impurity collecting cylinder 94, which is convenient for collection and subsequent treatment while preventing the pollutants from accumulating in the water inlet pipe 1 and affecting water circulation and filtration. The card frame 91 is disassembled and removed from the filter box 2, so that the pollutants accumulated in the filter box 2 can be removed, which improves the convenience of cleaning the device and facilitates the device to perform multiple cycle filtration. The impurity gathering device 9 also includes a support member 95, and a torsion rod 96 is hinged on the inner surface of the support member 95. The circumferential surface of the rod 96 is fixedly connected with a fixed scraper 97, the circumferential surface of the torsion rod 96 is fixedly connected with a torsion shaft 98, the circumferential surface of the torsion shaft 98 is fixedly connected with a transmission curved plate 99, the circumferential surface of the holder 81 is fixedly connected with a rotating plate 89, and the end of the rotating plate 89 away from the holder 81 is fixedly connected with a resistance rod 910, the card frame 91 is clamped with the inner surface of the filter box 2, the impurity collection cylinder 94 is fixedly connected with the front side of the filter box 2, the support member 95 is fixedly connected with the inner surface of the bottom of the filter box 2, and the support member 95 and the torsion rod 96 are hinged with a torsion spring, the fixed scraper 97 and the inner wall of the impurity collection cylinder 94 are in contact with each other, the torsion rod 96 and the front side of the inner wall of the impurity collection cylinder 94 are rotatably connected, the fixed scraper 97 rotates back and forth and stirs and scrapes the pollutant residue in the impurity collection cylinder 94, thereby facilitating the water flow to clean and dredge the pollutant residue in the impurity collection cylinder 94, thereby improving the efficiency of subsequent cleaning of the device.

[0021] Working principle: After the sewage enters the filter box 2, the inorganic pollutants are filtered by the filter cotton 92 and remain in the filter box 2. The filtered water flows out of the filter box 2 from the filter cotton 92 and the card frame 91 and enters the circulation system. At the same time, the activated carbon filter 93 adsorbs the organic pollutants in the water, thereby improving the filtering effect of the device. After opening the movable baffle 15, the pollutants scraped from the water inlet pipe 1 fall into the impurity collection cylinder 94, which is convenient for collection and subsequent treatment while preventing the pollutants from accumulating in the water inlet pipe 1 and affecting water circulation and filtration. When the biological sewage is filtered and the water circulation is stopped, a small amount of cleaning water is poured into the water inlet pipe 1 and the impurity collection cylinder 94. The water flow drives the pollutants to flow and gather in the filter box 2. At this time, the card frame 91 is disassembled and removed from the filter box 2, so that the pollutants accumulated in the filter box 2 can be removed. The pollutants are removed, which improves the convenience of cleaning the device and facilitates the device to perform multiple cycle filtration. The rotation of the holder 81 drives the rotating plate 89 to rotate, and the rotating plate 89 drives the resistance rod 910 to rotate. During the rotation of the resistance rod 910, it contacts the transmission curved plate 99. After the transmission curved plate 99 is resisted by the resistance rod 910, it drives the torsion shaft 98 and the torsion rod 96 to rotate a certain angle in the support member 95. When the resistance rod 910 is away from the transmission curved plate 99, the elasticity of the torsion spring drives the torsion rod 96 to reset, so that the torsion rod 96 rotates back and forth, and the torsion rod 96 drives the fixed scraper 97 to rotate back and forth and stir and scrape the pollutant residues in the impurity collection tube 94, so as to facilitate the water flow to clean and dredge the pollutant residues in the impurity collection tube 94, thereby improving the efficiency of subsequent cleaning of the device.

[0022] The present invention provides a practical circulating water aquaculture pond water purification device. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A practical circulating water aquaculture pond water purification device, comprising a water inlet pipe (1), characterized in that: The rear side of the water inlet pipe (1) is fixedly connected to a filter box (2), the inner wall of the water inlet pipe (1) is fixedly connected to a support plate (3), one end of the support plate (3) away from the inner wall of the water inlet pipe (1) is fixedly connected to a protective sleeve (4), the rear inner surface of the protective sleeve (4) is rotatably connected to a main shaft (5), the inner wall of the water inlet pipe (1) is fixedly connected to a filter screen (6), the circumferential surface of the main shaft (5) is fixedly connected to a transmission plate (7), the interior of the filter box (2) is provided with a filter screen dredging device (8) for preventing the filter screen (6) from being blocked, and the bottom of the filter box (2) is provided with a filter screen for separating impurities. The impurity gathering device (9) is configured to gather impurities, wherein a connecting rod (10) is fixedly connected to one side of the transmission plate (7), a rotating sleeve shaft (11) is hingedly connected to the circumferential surface of the connecting rod (10), a movable scraper (12) is fixedly connected to the circumferential surface of the rotating sleeve shaft (11), a shield plate (13) is fixedly connected to the inner wall of the water inlet pipe (1), a triangular plastering block (14) is fixedly connected to the inner wall of the water inlet pipe (1), a movable baffle (15) is arranged between the triangular plastering blocks (14), a connecting sleeve shaft (16) is fixedly connected to the circumferential surface of the main shaft (5), and a clamping block (17) is fixedly connected to the circumferential surface of the connecting sleeve shaft (16).

2. A practical circulating water aquaculture pond water purification device according to claim 1, characterized in that: A torsion spring is provided at the hinged joint between the connecting rod (10) and the rotating sleeve shaft (11); the movable scraper (12) and the inner wall of the water inlet pipe (1) are in contact with each other; the triangular smear block (14) and the two sides of the shield plate (13) are fixedly connected; a through groove is provided at the bottom of the water inlet pipe (1), and the inner surface of the through groove is hinged to the movable baffle plate (15); the main shaft (5) and the inner surface of the filter screen (6) are rotatably connected; the front end of the main shaft (5) is fixedly connected to a motor, and the motor and the inner surface of the protective sleeve (4) are fixedly connected; the front side of the connecting sleeve shaft (16) and the rear side of the filter screen (6) are in contact with each other.

3. A practical circulating water aquaculture pond water purification device according to claim 2, characterized in that: The filter screen dredging device (8) comprises a holder (81), the circumferential surface of the holder (81) being fixedly connected to a collar (82), the inner surface of the collar (82) being rotatably connected to a rotating rod (83), and the circumferential surface of the rotating rod (83) being fixedly connected to bristles (84).

4. A practical circulating water aquaculture pond water purification device according to claim 3, characterized in that: The filter screen dredging device (8) further comprises a clamping ring (85), the circumferential surface of the clamping ring (85) being fixedly connected to a clamping plate (86), the inner surface of the filter box (2) being fixedly connected to a support rod (87), the upper surface of the support rod (87) being hingedly connected to an L-shaped flap (88), and the circumferential surface of the clamping seat (81) being fixedly connected to a rotating plate (89).

5. A practical circulating water aquaculture pond water purification device according to claim 4, characterized in that: The circumferential surfaces of the clamping seat (81) and the connecting sleeve shaft (16) are in contact with each other, the clamping block (17) is clamped with the inner surface of the clamping seat (81), the bristles (84) and the rear side surface of the filter screen (6) are in contact with each other, the clamping ring (85) and the rear side surface of the connecting sleeve shaft (16) are rotatably connected, the circumferential surface of the clamping ring (85) and the inner surface of the clamping seat (81) are in contact with each other, and the front side surface of the clamping plate (86) and the rear side surface of the clamping seat (81) are in contact with each other.

6. A practical circulating water aquaculture pond water purification device according to claim 5, characterized in that: The impurity gathering device (9) comprises a card frame (91), a filter cotton (92) is fixedly connected to the inner surface of the filter box (2), activated carbon filters (93) are fixedly connected to both sides of the inner surface of the filter box (2), and an impurity collection cylinder (94) is fixedly connected to the lower surface of the water inlet pipe (1).

7. A practical circulating water aquaculture pond water purification device according to claim 6, characterized in that: The impurity gathering device (9) further comprises a support member (95), the inner surface of which is hingedly connected to a torsion rod (96), the circumferential surface of which is fixedly connected to a fixed scraper plate (97), the circumferential surface of which is fixedly connected to a torsion shaft (98), the circumferential surface of which is fixedly connected to a transmission curved plate (99), the circumferential surface of which is fixedly connected to a rotating plate (89), and the end of which, which is away from the rotating plate (89), is fixedly connected to a resisting rod (910).

8. A practical circulating water aquaculture pond water purification device according to claim 7, characterized in that: The clamping frame (91) is clamped to the inner surface of the filter box (2), the impurity collection tube (94) is fixedly connected to the front side of the filter box (2), the support member (95) is fixedly connected to the inner surface of the bottom of the filter box (2), a torsion spring is provided at the hinge between the support member (95) and the torsion rod (96), the fixed scraper (97) and the inner wall of the impurity collection tube (94) are in contact with each other, and the torsion rod (96) is rotatably connected to the front side of the inner wall of the impurity collection tube (94).

Images