A circulating flushing device

Abstract

This invention relates to a circulating flushing device, belonging to the technical field of flushing equipment. The invention includes a rotating shaft, a water spray component, a water storage tank, a filter screen, and a drive mechanism. The rotating shaft is rotatably installed inside the tank to be cleaned. The water spray component is anti-rotatingly installed on the outside of the rotating shaft and sprays water towards the inner wall of the tank. The top of the water storage tank is open, allowing it to slide axially within the tank. The middle part of the water storage tank is spirally sleeved on the outside of the rotating shaft, and the top edge of the water storage tank is used to abut against the inner wall of the tank. The filter screen is installed on top of the water storage tank, and a support is rotatably installed in the middle of the filter screen. The support is rotatably sleeved on the outside of the rotating shaft and anti-rotates with the water spray component. The drive mechanism is arranged on the outside of the tank and is connected to the rotating shaft to control its rotation. The water spray component is located above the filter screen, and the water spray component and the support are anti-detached in the axial direction of the rotating shaft. A water inlet pipe is provided at the bottom of the water spray component. This invention uses a small amount of cleaning liquid to clean the inner wall of the tank, reducing cleaning costs.

Description

Technical Field

[0001] This invention relates to the field of rinsing equipment technology, and more particularly to a circulating rinsing device. Background Technology

[0002] Wastewater treatment refers to the technical process of purifying pollutants such as urban domestic sewage, industrial wastewater, or agricultural drainage through physical, chemical, and biological methods to meet discharge standards or reuse requirements. Its core objectives are to protect water resources, prevent water pollution, maintain ecological balance, and safeguard public health.

[0003] In wastewater treatment systems, reaction vessels are the core equipment that carries out physical, chemical, and biological reactions, and are involved in multiple key stages. Tanks are required as reaction vessels in processes such as pH adjustment and flocculation. After use, impurities accumulate on the inner walls of these reaction vessels. Regular cleaning of the inner walls of these reaction vessels is necessary during the maintenance of the wastewater treatment system to ensure its efficient, safe, and economical operation.

[0004] Patent CN215276090U discloses a filter tank with a backwashing function. The filter tank includes a tank body and an inlet pipe connected to the top of the tank body and an outlet pipe connected to the bottom of the tank body. Several scrapers are provided on the inner side wall of the tank body, and one side of the scraper contacts the inner side wall of the tank body. A motor chamber is provided at the center of the bottom of the inner cavity of the tank body. The motor chamber drives the scraper to rotate and scrape off the impurities on the inner wall of the tank body, thereby cleaning the inner wall of the tank body. A water distribution pipe is provided at the top of the motor chamber. Several water outlet pipes are fixedly connected to the outer ring of the water distribution pipe. One end of each water outlet pipe is connected to a high-pressure nozzle. The high-pressure nozzle can spray water to clean off the impurities on the inner wall of the tank body that are not easy to be washed away.

[0005] In existing technologies, in order to better remove impurities from the inner wall of the tank, a special cleaning liquid is sprayed onto the inner wall of the tank to knock off the impurities adhering to the inner wall. However, in existing technologies, the cleaning liquid after rinsing the tank wall is generally discharged directly from the outlet of the tank. The entire rinsing process requires a large amount of cleaning liquid, and the tank needs to be cleaned frequently throughout its entire service life. The consumption of a large amount of cleaning liquid leads to a high overall cleaning cost. Summary of the Invention

[0006] This invention provides a circulating flushing device to solve the technical problem in the prior art that the use of high-pressure water guns to clean the inner wall of the tank results in high consumption of cleaning liquid and high cleaning costs throughout the entire service life of the tank.

[0007] To solve the above problems, the present invention provides a circulating flushing device with the following technical solution:

[0008] A circulating flushing device, comprising:

[0009] A rotating shaft, used to rotate inside the tank to be cleaned;

[0010] The water spray component, with an anti-rotation device installed on the outside of the rotating shaft, is used to spray water toward the inner wall of the tank.

[0011] Also includes:

[0012] The water storage tank is open at the top and has an inverted cone shape at the top, which is used to guide the tank to slide inside the tank along the axial direction. The middle part of the water storage tank is spirally sleeved on the rotating shaft, and the top edge of the water storage tank is used to abut against the inner wall of the tank.

[0013] A filter screen is installed on the top of the water storage tank. A support is rotatably installed in the middle of the filter screen. The support and the filter screen are fixed relative to each other in the axial direction of the tank. The support is rotatably sleeved on the outside of the rotating shaft.

[0014] A drive mechanism, located on the outside of the tank, is connected to the rotating shaft to control its rotation.

[0015] The water spray component is located above the filter screen, and is slidably installed on the outside of the rotating shaft along the axial direction of the rotating shaft. It is fixed relative to the support in the axial position of the rotating shaft. The bottom of the water spray component is provided with a water inlet pipe, which passes through the support and extends into the water storage tank. A water pump is connected between the water spray component and the water inlet pipe.

[0016] During cleaning, the water tank is driven to move along the axis of the rotating shaft, and the water spraying component is driven to move synchronously with the water tank. At the same time, the water spraying component is driven to rotate by the rotating shaft. The water pump draws out the clean liquid that falls back into the water tank through the filter screen and is sprayed onto the inner wall of the tank by the water spraying component.

[0017] Using the above technical solution, when cleaning the inner wall of the tank, only a certain amount of cleaning liquid needs to be stored in the water tank beforehand. The water pump can extract the cleaning liquid from the water tank and spray it onto the inner wall of the tank by the spray nozzles to rinse away impurities. By driving the rotating shaft to rotate, the water tank and spray nozzles can be moved up and down, thereby rinsing various areas of the inner wall of the tank. The cleaning liquid after rinsing is filtered through a filter screen and falls back into the water tank. It is then pumped out again by the water pump and sprayed onto the inner wall of the tank, which can realize the recycling of the cleaning liquid in the water tank. The entire cleaning process does not consume a lot of cleaning liquid, thus reducing cleaning costs.

[0018] Furthermore, the water storage tank is located inside the tank body and moves up and down together with the water spraying components. Compared with placing the water storage tank outside the tank body, this can greatly shorten the length of the inlet pipe, reduce pressure loss, improve cleaning impact and efficiency, and allow the waste liquid after rinsing to fall back into the water storage tank more quickly. This means that the amount of liquid stored in the water storage tank can be set to be less, further reducing the consumption of cleaning liquid and saving costs.

[0019] Meanwhile, because the top of the water tank is inverted cone-shaped and the top edge of the water tank is close to the inner wall of the tank, when the water tank moves from top to bottom, it can pre-scrape away impurities on the inner wall of the tank, reducing the difficulty of the subsequent rinsing and cleaning process.

[0020] Furthermore, a drain outlet is provided on the bottom wall of the water storage tank, and a sealing plate is provided inside the water storage tank. An elastic telescopic rod is connected between the sealing plate and the water storage tank. The elastic telescopic rod applies a downward elastic force to the sealing plate, so that the sealing plate covers the drain outlet and presses it tightly against the bottom wall of the water storage tank. The circulating flushing equipment also includes a push rod, which is used to connect to the bottom inner wall of the tank. The push rod is opposite to the sealing plate.

[0021] Using the above technical solution, when the water storage tank moves to the bottom of the tank, as the water storage tank continues to move downward, the push rod pushes the sealing plate upward, exposing the drain outlet. The water in the water storage tank flows to the bottom of the tank, rinsing the inner wall of the bottom of the tank. Subsequently, it can be discharged from the outlet at the bottom of the tank. With the above structure, the wastewater in the water storage tank can be automatically discharged after cleaning the inner wall of the tank.

[0022] Furthermore, a sealing plate is slidably sleeved on the push rod, the sealing plate is located between the two ends of the push rod, and an elastic element is connected between the sealing plate and the push rod. The elastic element applies an upward elastic force to the sealing plate, so that the sealing plate is pressed against the bottom surface of the water storage tank when it comes into contact with the bottom surface of the water storage tank, thereby sealing the drain outlet.

[0023] Using the above technical solution, a sealing plate is slidably sleeved on the push rod. After the liquid in the water storage tank is discharged to the bottom of the tank, as the water storage tank continues to move downward, the drain outlet at the bottom of the water storage tank is blocked again by the sealing plate. Then, the water storage tank continues to move downward in a blocked state, which can squeeze the liquid in the tank into the space between the outer circumferential wall and the inner circumferential wall of the tank, thereby washing the bottom surface of the cone-shaped part at the top of the water storage tank and cleaning away the impurities scraped off from the top of the water storage tank and attached to the water storage tank.

[0024] Furthermore, a support ring is coaxially connected to the top of the inner wall of the water storage tank, and the filter screen can be detachably installed on the support ring.

[0025] Using the above technical solution, the filter screen can be detachably installed on the support ring, making it easy to remove the filter screen for deep cleaning.

[0026] Furthermore, the support ring is equipped with a downward-facing connecting bolt that can slide up and down. An elastic element is connected between the connecting bolt and the support ring. The filter screen includes two semi-circular screen plates. The outer circumferential wall of the support is provided with an annular slot. The two screen plates are symmetrically spliced ​​into an annular structure. The middle of the screen plate is inserted into the annular slot. The edge of the screen plate is sleeved on the connecting bolt and fixed to the support ring by the connecting nut.

[0027] Using the above technical solution, the filter screen has a split structure, which facilitates its assembly between the support and the support ring. The connecting bolt is connected to the support ring via an elastic element, allowing it to slide elastically up and down on the support ring. This allows the connecting bolt to be pressed down first during the insertion of the screen plate into the annular slot, preventing it from obstructing the insertion process. Furthermore, the elastic element between the connecting bolt and the support ring prevents the threaded connection from loosening.

[0028] Furthermore, a cleaning brush is installed on the support, located above the filter screen. The cleaning brush includes a handle extending radially along the filter screen and bristles connected to the bottom of the handle. The filter screen has a notch, and an impurity box that sinks into the water storage tank is installed at the notch.

[0029] Using the above technical solution, during the rotation of the shaft, the support is driven to rotate, and the support drives the cleaning brush to rotate. The cleaning brush scrapes the impurities filtered out on the surface of the filter screen into the impurity box, thus preventing impurities from accumulating on the surface of the filter screen and hindering the return of the cleaning liquid.

[0030] Furthermore, the impurity box is detachably installed at the notch, and multiple comb teeth are connected to the bottom wall of the water storage tank. These comb teeth are inserted inside the impurity box, with the top of the comb teeth higher than the filter screen.

[0031] Using the above technical solution, the cleaning brush passes through the comb teeth during rotation, which removes impurities adhering to the brush bristles. The scraped-off impurities fall into the impurity box. The impurity box is detachable, facilitating cleaning. During removal, the bottom wall of the impurity box scrapes off impurities attached to the comb teeth, which then fall into the box. Removing the impurity box simultaneously cleans the comb teeth, making the cleaning process more efficient.

[0032] Furthermore, the handle is rotatably mounted on a support about an axis extending radially along the filter screen, and a torsion spring is connected between the handle and the support. A push plate is also connected to the bottom end of the handle, which is located on one side of the bristles. A vertically extending support rod is connected inside the impurity box, which is located on one side of the comb teeth. A push rod is vertically connected to the top of the support rod, and the middle part of the push rod is connected to the support rod. The push rod corresponds to the position of the push plate and is higher than the bottom end of the push plate when it is in a vertical state. When the handle is about to pass the comb teeth during rotation, the push plate is pushed by the push rod and swings and moves above the push rod, thereby driving the handle to rotate, so that an acute angle is formed between the bristles and the comb teeth.

[0033] Using the above technical solution, when the handle is about to pass the comb teeth, the push plate is pushed by the push rod and swings, which in turn drives the handle to rotate and the bristles to swing, so that the bristles and the comb teeth form an acute angle and are no longer in a parallel state. The tips of the comb teeth can be more easily inserted into the bristles, and it is easier for the comb teeth to brush off the impurities on the bristles along the length of the bristles.

[0034] Furthermore, an impact hammer assembly is installed inside the water storage tank. The impact hammer assembly includes a support plate, a swing arm, and two impact hammers. The support plate is connected to the bottom wall of the water storage tank. The middle part of the swing arm is rotatably mounted on the support plate and connected to the support plate by a torsion spring. The two impact hammers are respectively connected to the two ends of the swing arm. A drive shaft is also connected to the middle of the swing arm. Friction protrusions are provided on the outer wall of the drive shaft. A friction block is provided at the bottom of the support. When the support rotates, the friction block contacts the friction protrusions, driving the drive shaft to rotate, which in turn drives the swing arm to swing, allowing the torsion spring to store energy. After the drive shaft disengages from the friction block, the torsion spring releases, causing the swing arm to swing back and forth, driving the two impact hammers to alternately strike the filter screen.

[0035] Using the above technical solution, when the support rotates, it drives the friction block to rotate. The friction block and the friction protrusion on the drive shaft engage in friction transmission, driving the drive shaft to rotate. When the drive shaft rotates, it drives the swing arm to swing, causing the second torsion spring to store energy. After the friction block leaves the drive shaft, the second torsion spring is released, causing the swing arm to swing back and forth. The two impact hammers at both ends of the swing arm alternately strike the filter screen, relieving the clogging of the filter screen.

[0036] Furthermore, the water spray component includes a hollow annular container and multiple nozzles. The annular container is coaxially sleeved on the outside of the rotating shaft. An insert plate is provided on the outer wall of the inner ring of the annular container. An axially extending guide groove is provided on the outer wall of the rotating shaft. The insert plate is inserted into the guide groove. Multiple nozzles are arranged at intervals along the circumference of the annular container on the outer wall of the annular container. The water inlet pipe is located at the bottom of the annular container and is connected to the inner cavity of the annular container through a water pump.

[0037] The beneficial effects of the circulating flushing device provided by this invention are as follows: This invention utilizes a small amount of cleaning liquid to clean the inner wall of the tank, reducing cleaning costs. By setting up cleaning brushes and impact hammers, the filter screen used for filtering impurities can be cleaned and prevented from clogging during the cleaning of the inner wall of the tank, ensuring smooth circulation of the cleaning liquid. By setting up comb teeth, the cleaning brushes are cleaned, preventing excessive impurities from adhering to the brushes and affecting the cleaning effect. A removable impurity box is provided for collecting impurities; when the impurity box is removed, impurities adhering to the comb teeth can be scraped off, cleaning the comb teeth and effectively improving cleaning efficiency. By setting a sealing plate at the bottom of the tank, the bottom of the water tank, after the liquid has been drained, is sealed again during the downward movement of the water tank. This allows the water tank to squeeze the liquid inside the tank into the space between the outer circumferential wall of the water tank and the inner circumferential wall of the tank, enabling the cleaning of the top outer wall of the water tank. Attached Figure Description

[0038] Figure 1 A schematic diagram of the external structure of a tank being cleaned by a circulating flushing device provided by the present invention;

[0039] Figure 2 A cross-sectional view of a tank being cleaned by a circulating flushing device provided by the present invention;

[0040] Figure 3 A cross-sectional view of a circulating flushing device provided by the present invention;

[0041] Figure 4 A three-dimensional structural diagram of a circulating flushing device provided by the present invention;

[0042] Figure 5 for Figure 4 Enlarged structural diagram at point A;

[0043] Figure 6 A schematic diagram of a water storage tank and its internal structure in a circulating flushing device provided by the present invention;

[0044] Figure 7 This is a cross-sectional view of the bottom structure of a circulating flushing device provided by the present invention;

[0045] Figure 8 for Figure 7 Enlarged structural diagram at point B;

[0046] Figure 9 A front view of the support in a circulating flushing device provided by the present invention;

[0047] Figure 10 This is a top view of a filter screen in a circulating flushing device provided by the present invention.

[0048] Explanation of reference numerals in the attached figures:

[0049] 1. Tank body; 101. Slide rail; 2. Rotating shaft; 201. Guide groove; 3. Limiting plate; 4. Support frame; 5. Water storage tank; 501. Inlet; 6. Annular container; 7. Insert plate; 8. Nozzle; 9. Support; 901. Annular slot; 10. Comb teeth; 11. Impurity box; 12. Support ring; 13. Connecting bolt; 14. Elastic component two; 15. Elastic telescopic rod; 16. Elastic component one; 17. Sealing plate; 18. 19. Spiral sleeve; 20. Support plate; 21. Swing rod; 22. Drive shaft; 23. Impact hammer; 24. Screen plate; 25. Notch; 26. Cleaning brush; 27. Handle; 28. Brush bristles; 29. ​​Push plate; 20. Mounting plate; 21. Water inlet pipe; 20. Water pump; 21. Friction block; 22. Sealing plate; 33. Sleeve housing; 34. Guide plate; 35. Push rod; 36. Support rod; 37. Top push rod. Detailed Implementation

[0050] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0051] The following is one embodiment of a circulating flushing device provided by the present invention:

[0052] like Figures 1-10 As shown, a circulating flushing device includes a rotating shaft 2, a water storage tank 5, a support 9, a filter screen, a water spray component, an impact hammer assembly, and a drive mechanism.

[0053] like Figure 3 , Figure 4 As shown, the rotating shaft 2 extends vertically and is coaxially arranged inside the tank 1 to be cleaned. The outer wall of the rotating shaft 2 is provided with external threads, and the outer wall of the rotating shaft 2 is also provided with two guide grooves 201 that are spaced 180° apart and extend along the axis of the rotating shaft 2.

[0054] The top of the rotating shaft 2 is connected to a limiting plate 3, which is mounted on a support frame 4 that is sandwiched between the main body of the tank 1 and the top cover, thereby achieving axial positioning of the rotating shaft 2 inside the tank 1, and allowing the rotating shaft 2 and the support frame 4 to rotate relative to each other.

[0055] like Figure 6As shown, the water storage tank 5 is cylindrical in shape, with an open top and a spiral sleeve 18 running vertically through the center. The top of the water storage tank 5 is inverted conical, with two 180° spaced inlet ports 501 on the conical portion. The bottom wall of the water storage tank 5 has two oppositely arranged arc-shaped drain outlets. The edge of the top of the water storage tank 5 is designed to fit against the inner wall of the tank body 1, so that impurities on the inner wall of the tank body 1 can be pre-scraped when the water storage tank 5 moves downward.

[0056] The spiral sleeve 18 is spirally fitted onto the outside of the rotating shaft 2, and the two insertion ports 501 are respectively fastened to the two slide rails 101 on the inner wall of the tank 1. When the rotating shaft 2 rotates, it can drive the water storage tank 5 to move in the vertical direction.

[0057] A circular support ring 12 is installed on the top of the inner wall of the water storage tank 5. The support ring 12 has an opening. A connecting bolt 13 is provided on each side of the opening on the support ring 12, and two symmetrically arranged connecting bolts 13 are also provided on the other side of the opening. Each connecting bolt 13 has its head facing down and slides up and down through the support ring 12. An elastic element 2 14 is connected between the connecting bolt 13 and the support ring 12. The elastic element 2 14 is a spring that can extend and retract up and down. The elastic element 2 14 applies an elastic force to the connecting bolt 13, so that the threaded part of the connecting bolt 13 extends above the support ring 12.

[0058] like Figure 6 , Figure 7 As shown, the bottom of the support ring 12 is vertically connected to multiple spaced elastic telescopic rods 15. The water storage tank 5 is provided with two sealing plates 17. The two sealing plates 17 are respectively opposite to the two drain outlets. The sealing plates 17 are connected to the bottom end of the elastic telescopic rods 15. The elastic telescopic rods 15 apply a downward elastic force to the sealing plates 17, so that the sealing plates 17 are pressed tightly against the bottom wall of the water storage tank 5, thus blocking the drain outlets.

[0059] like Figure 2 , Figure 7 As shown, the circulating flushing equipment also includes two vertically extending push rods 32. The two push rods 32 are fixedly connected to the bottom of the tank 1. The two push rods 32 are respectively vertically opposite to the two sealing plates 17 mentioned above. When the water storage tank 5 moves down to the bottom of the tank 1, the push rods 32 contact the sealing plates 17 and push the sealing plates 17 upward to open the drain outlet.

[0060] like Figure 7 , Figure 8As shown, a circular guide plate 31 is connected to the middle of the push rod 32. A ring-shaped sealing plate 29 is also slidably fitted on the two push rods 32, which can completely cover the drain outlet at the bottom of the water storage tank 5. A sleeve housing 30 is connected to the bottom of the sealing plate 29. The guide plate 31 slides through the inside of the sleeve housing 30. An elastic element 16 is connected between the guide plate 31 and the sealing plate 29. The elastic element 16 is a compression spring that can elastically extend and retract up and down. The elastic element 16 is located between the sleeve housing 30 and the push rod 32.

[0061] When the water tank 5 moves to the bottom of the tank body 1, the push rod 32 first pushes the sealing plate 17 upward to open the drain port, allowing all the liquid in the water tank 5 to flow into the bottom of the tank body 1. Then, the sealing plate 29 contacts the bottom surface of the water tank 5, sealing the drain port. Subsequently, the water tank 5 continues to move downward, squeezing the liquid in the tank body 1 into the space between the outer circumferential wall of the water tank 5 and the inner circumferential wall of the tank body 1, thus cleaning the top of the outer circumferential wall of the water tank 5.

[0062] like Figure 6 As shown, multiple comb teeth 10 are vertically connected to the bottom wall of the water storage tank 5, arranged radially at intervals along the water storage tank 5. The comb teeth 10 pass through the aforementioned open opening, and the top of the comb teeth 10 extends to the top of the support ring 12.

[0063] like Figure 4 , Figure 9 As shown, the support 9 is rotatably sleeved on the outside of the rotating shaft 2. A ring-shaped slot 901 is provided on the circumferential outer wall of the support 9. Multiple friction blocks 28 are evenly arranged along the circumference of the support 9 at the bottom. The bottom surface of the friction blocks 28 is rough.

[0064] A mounting plate 25 is vertically connected to the top of the support 9. A cleaning brush 24 is connected to the mounting plate 25. The cleaning brush 24 includes a handle 241 and bristles 242. The handle 241 extends radially along the water tank 5, and the bristles 242 are connected to the bottom of the handle 241. The handle 241 is rotatably mounted on the mounting plate 25, and the direction of rotation of the handle 241 is consistent with its own extension direction. A torsion spring connects the handle 241 and the mounting plate 25. Figure 4 , Figure 5 As shown, a push plate 243 is connected to the bottom of the handle 241, and the push plate 243 is located on one side of the bristles 242.

[0065] like Figure 4 , Figure 10As shown, the filter screen includes two screen plates 23, each in a semi-circular shape. The two screen plates 23 are joined together opposite each other, with the center of each screen plate 23 inserted into the aforementioned annular slot 901. After the two screen plates 23 are joined together, they form an annular structure with a notch 231, which is directly opposite the aforementioned open opening. The edges of the two screen plates 23 are respectively fitted onto the corresponding connecting bolts 13 on the support ring 12, and are tightened and fixed onto the support ring 12 by the connecting nuts screwed onto the connecting bolts 13.

[0066] An impurity box 11 is placed at the notch 231. The top of the impurity box 11 has two overlapping edges. The impurity box 11 is laid on the filter screen through the two overlapping edges and is fitted on the outside of the corresponding connecting bolt 13 and the support ring 12 is pressed and fixed by the connecting nut.

[0067] The walls of the impurity box 11 are made of mesh, which can trap impurities and allow liquid to pass through. The bottom wall of the impurity box 11 is also provided with multiple perforations, and the aforementioned comb teeth 10 are respectively inserted into each perforation. When the impurity box 11 is removed, the impurities on the comb teeth 10 can be scraped off using the bottom wall of the impurity box 11 and collected into the impurity box 11.

[0068] A vertically extending support rod 33 is also connected to the bottom side wall of the impurity box 11. The support rod 33 is located on one side of the comb teeth 10. A push rod 34 is vertically connected to the top of the support rod 33. The middle part of the push rod 34 is connected to the support rod 33. The push rod 34 corresponds to the position of the push plate 243, and the push rod 34 is higher than the bottom end of the push plate 243 when it is in a vertical state. As the handle 241 rotates with the support 9 and is about to move to the comb teeth 10, the push plate 243 first contacts the push rod 34 and is pushed by the push rod 34 to swing. When the bottom of the push plate 243 swings to be higher than the push rod 34, it moves above the push rod 34 and slides above the push rod 34 while maintaining an inclined state. During the above process, the handle 241 is driven to rotate by the push plate 243, thereby causing the bristles 242 to swing to form an acute angle with the comb teeth 10. This makes it easier for the tip of the comb teeth 10 to insert into the bristles 242 and scrape off the impurities on the bristles 242 along the length of the bristles 242.

[0069] like Figure 4 , Figure 9 As shown, the water spray component is located above the support 9. The water spray component includes an annular container 6 and multiple nozzles 8. The annular container 6 is hollow inside. Two oppositely arranged insert plates 7 are connected to the outer wall of the inner ring of the annular container 6. The two insert plates 7 are respectively inserted into two guide grooves 201, so that the annular container 6 stops rotating relative to the rotating shaft 2 and can slide along the axial direction of the rotating shaft 2.

[0070] The bottom of the annular container 6 is equipped with two water inlet pipes 26. A water pump 27 is connected between the water inlet pipes 26 and the annular container 6. The water inlet pipes 26 communicate with the inner cavity of the annular container 6 through the water pump 27. The bottom end of the water inlet pipes 26 passes through the support 9 and is inserted into the water storage tank 5. A screen is connected to the bottom end of the water inlet pipes 26. The water pump 27 draws cleaning liquid from the water storage tank 5 through the water inlet pipes 26 and pumps the cleaning liquid into the annular container 6. The water pump 27 is detachably connected to the support 9 by bolts. By loosening the bolts, the water pump 27 can be removed from the support 9, and the water inlet pipes 26 can be removed from under the support 9 for cleaning.

[0071] Multiple nozzles 8 are installed on the circumferential outer wall of the annular container 6 and are evenly distributed along the circumference of the annular container 6.

[0072] like Figure 6 , Figure 9 As shown, there are two sets of impact hammer assemblies, both located inside the water storage tank 5. The two sets of impact hammer assemblies are arranged opposite each other on both sides of the rotating shaft 2. The impact hammer assembly includes a support plate 19, a swing rod 20, and two impact hammers 22. The support plate 19 is vertically connected to the bottom wall of the water storage tank 5. The middle part of the swing rod 20 is rotatably mounted on the support plate 19 about a rotation axis extending radially along the water storage tank 5, and a torsion spring 2 is connected between the swing rod 20 and the support plate 19. The two impact hammers 22 are respectively connected to the two ends of the swing rod 20.

[0073] A drive shaft 21 extending radially along the water tank 5 is connected to the middle of the swing arm 20. The end of the drive shaft 21 away from the swing arm 20 extends to the bottom of the friction block 28 at the bottom of the support 9, and multiple strip-shaped protrusions are evenly arranged around the circumference of the drive shaft 21 on the outside of this end. As the support 9 rotates, the friction block 28 passes over the drive shaft 21 one after another. When the friction block 28 contacts the strip-shaped protrusions on the drive shaft 21, it drives the drive shaft 21 to rotate. The drive shaft 21 drives the swing arm 20 to swing, causing the torsion spring 2 to store energy. When the friction block 28 disengages from the drive shaft 21, the torsion spring 2 is released, and the swing arm 20 swings back and forth. The two impact hammers 22 at both ends of the swing arm 20 strike the filter screen alternately to prevent the filter screen from clogging.

[0074] The drive mechanism is located on the side of the bottom end of the tank body 1, and includes a drive motor and a chain drive assembly. The chain drive assembly includes a drive sprocket, a driven sprocket and a chain. The drive pulley is connected to the output shaft end of the drive motor. The driven pulley is fitted with a stop sleeve on the bottom end of the rotating shaft 2. The chain is fitted on the outside of the drive pulley and the driven pulley. The drive motor drives the rotating shaft 2 to rotate through the chain drive assembly.

[0075] In use, the entire device is first assembled inside the tank 1. The water storage tank 5 is initially located at the top of the inner cavity of the tank 1. Cleaning liquid is injected into the water storage tank 5 from the top of the tank 1. The water pump 27 is then activated, drawing the cleaning liquid from the water storage tank 5 into the annular container 6. The liquid is then sprayed from the nozzles 8 onto the inner wall of the tank 1, cleaning the inner wall. The drive mechanism is then activated, driving the rotating shaft 2 to rotate, causing the water storage tank 5 to gradually move downwards. The water storage tank 5 drives the water spray nozzles to gradually move downwards, rinsing the inner wall of the tank 1 from top to bottom. The cleaning liquid, containing impurities, falls back into the water storage tank 5 after rinsing through a filter screen and is subsequently drawn out again by the water pump 27, achieving the recycling of the cleaning liquid stored in the water storage tank 5. During the cleaning process, the rotating shaft 2 also drives the water spray nozzles to rotate, with multiple nozzles 8 revolving around the rotating shaft 2 to clean the inner wall of the tank 1, ensuring thorough cleaning without any blind spots. The top of the water storage tank 5 contacts the inner wall of the tank body 1. When the water storage tank 5 moves downward, the top of the water storage tank 5 can scrape off some of the easily falling impurities on the inner wall of the tank body 1.

[0076] The drive mechanism drives the rotating shaft 2 to rotate forward for a set time and then reverse for a set time, repeating this process multiple times. This causes the water tank 5 and the spray nozzle to move up and down repeatedly, thoroughly cleaning the inner wall of the tank 1. After cleaning, the rotating shaft 2 moves the water tank 5 to a lower position. The water tank 5 moves down until the push rod 32 contacts the sealing plate 17. The push rod 32 pushes the sealing plate 17 upward, opening the drain port. All the liquid in the water tank 5 flows into the bottom of the tank 1 and is stored inside. The water tank 5 continues to move down until the sealing plate 29 contacts the bottom surface of the water tank 5, sealing the drain port. The water tank 5 and the sealing plate 29 move down synchronously, squeezing the cleaning liquid at the bottom of the tank 1 between the outer circumferential wall of the water tank 5 and the inner circumferential wall of the tank 1. The cleaning liquid impacts the outer circumferential wall of the top of the water tank 5, cleaning the outer circumferential wall of the water tank 5. Finally, the outlet at the bottom of the tank 1 is opened to drain the liquid.

[0077] As the shaft 2 rotates, the support 9 is also driven to rotate, which in turn drives the cleaning brush 24 to rotate. The bristles 242 of the cleaning brush 24 contact the filter screen, scraping impurities on the surface of the filter screen into the impurity box 11, preventing impurities from accumulating on the filter screen surface and affecting the passage of cleaning liquid. When the handle 241 of the cleaning brush 24 rotates above the impurity box 11, the push plate 243 first contacts the push rod 34 and is pushed by the push rod 34 to swing, causing the bristles 242 to swing, so that the bristles 242 and the comb teeth 10 form an acute angle, making it easier for the comb teeth 10 to insert into the bristles 242 and scrape off the impurities attached to the bristles 242. The scraped impurities fall into the impurity box 11. The comb teeth 10 clean the cleaning brush 24, combing off the impurities on the bristles 242, so that the cleaning brush 24 maintains a good cleaning effect.

[0078] When the support 9 rotates, it also drives the friction block 28 at the bottom to rotate. When the friction block 28 rotates to contact the drive shaft 21, it drives the drive shaft 21 to rotate through friction. The drive shaft 21 drives the swing arm 20 to swing, so that the second torsion spring stores energy. When the friction block 28 disengages from the drive shaft 21, the second torsion spring is released, and the swing arm 20 swings back and forth. The two impact hammers 22 at both ends of the swing arm 20 alternately strike the filter screen to prevent the filter screen from becoming clogged and affecting the flow rate of the clean liquid.

[0079] After long-term use, the impurity box 11 and the filter screen need to be removed for thorough cleaning. At this time, simply remove the connecting nut to remove the impurity box 11 and the filter screen from the support ring 12. During the removal of the impurity box 11, the bottom wall of the impurity box 11 can scrape off the impurities attached to the comb teeth 10, thus cleaning the comb teeth 10.

[0080] This invention uses only a small amount of cleaning liquid to thoroughly clean the inner wall of the tank 1. Simultaneously, it cleans the filter screen using a cleaning brush 24 and prevents clogging by striking the filter screen with an impact hammer 22. The invention also incorporates comb teeth 10 to clean the cleaning brush 24, resulting in improved cleaning performance. The impurity box 11 not only collects impurities but also scrapes off impurities adhering to the comb teeth 10 during disassembly, effectively reducing the cleaning burden on the equipment.

Claims

1. A circulating flushing device, comprising: A rotating shaft, used to rotate inside the tank to be cleaned; The water spray component, with an anti-rotation device installed on the outside of the rotating shaft, is used to spray water toward the inner wall of the tank. Its characteristic is that it further includes: The water storage tank is open at the top and has an inverted cone shape at the top, which is used to guide the tank to slide inside the tank along the axial direction. The middle part of the water storage tank is spirally sleeved on the rotating shaft, and the top edge of the water storage tank is used to abut against the inner wall of the tank. A filter screen is installed on the top of the water storage tank. A support is rotatably installed in the middle of the filter screen. The support and the filter screen are fixed relative to each other in the axial direction of the tank. The support is rotatably sleeved on the outside of the rotating shaft. A drive mechanism, located on the outside of the tank, is connected to the rotating shaft to control its rotation. The water spray component is located above the filter screen, and is slidably installed on the outside of the rotating shaft along the axial direction of the rotating shaft. It is fixed relative to the support in the axial position of the rotating shaft. The bottom of the water spray component is provided with a water inlet pipe, which passes through the support and extends into the water storage tank. A water pump is connected between the water spray component and the water inlet pipe. During cleaning, the water tank is driven to move along the axis of the rotating shaft, and the water spraying component is driven to move synchronously with the water tank. At the same time, the water spraying component is driven to rotate by the rotating shaft. The water pump draws out the clean liquid that falls back into the water tank through the filter screen and is sprayed onto the inner wall of the tank by the water spraying component.

2. The circulating flushing device according to claim 1, characterized in that, The bottom wall of the water storage tank is provided with a drain outlet. The water storage tank is provided with a sealing plate. An elastic telescopic rod is connected between the sealing plate and the water storage tank. The elastic telescopic rod applies a downward elastic force to the sealing plate, so that the sealing plate covers the drain outlet and presses it tightly against the bottom wall of the water storage tank. The circulating flushing equipment also includes a push rod, which is used to connect to the bottom inner wall of the tank. The push rod is opposite to the sealing plate.

3. The circulating flushing device according to claim 2, characterized in that, A sealing plate is slidably sleeved on the push rod. The sealing plate is located between the two ends of the push rod. An elastic element is connected between the sealing plate and the push rod. The elastic element applies an upward elastic force to the sealing plate, so that the sealing plate is pressed against the bottom surface of the water storage tank when it comes into contact with the bottom surface of the water storage tank, thereby sealing the drain outlet.

4. A circulating flushing device according to any one of claims 1-3, characterized in that, A support ring is coaxially connected to the top of the inner wall of the water storage tank, and the filter screen is detachably installed on the support ring.

5. A circulating flushing device according to claim 4, characterized in that, The support ring is equipped with a downward-facing connecting bolt that can slide up and down. An elastic element is connected between the connecting bolt and the support ring. The filter screen includes two semi-circular screen plates. The outer circumferential wall of the support is provided with an annular slot. The two screen plates are symmetrically spliced ​​into an annular structure. The middle of the screen plate is inserted into the annular slot. The edge of the screen plate is sleeved on the connecting bolt and fixed to the support ring by the connecting nut.

6. A circulating flushing device according to any one of claims 1-3, characterized in that, A cleaning brush is installed on the support, located above the filter screen. The cleaning brush includes a handle extending radially along the filter screen and bristles connected to the bottom of the handle. The filter screen has a notch, and an impurity box that sinks into the water storage tank is installed at the notch.

7. A circulating flushing device according to claim 6, characterized in that, The impurity box is detachably installed at the notch. Multiple comb teeth are connected to the bottom wall of the water storage tank. The comb teeth are inserted inside the impurity box, and the top of the comb teeth is higher than the filter screen.

8. A circulating flushing device according to claim 7, characterized in that, The handle is rotatably mounted on a support about an axis extending radially along the filter screen, and a torsion spring is connected between the handle and the support. A push plate is also connected to the bottom end of the handle, which is located on one side of the bristles. A vertically extending support rod is connected inside the impurity box, which is located on one side of the comb teeth. A push rod is vertically connected to the top of the support rod, and the middle part of the push rod is connected to the support rod. The push rod corresponds to the position of the push plate and is higher than the bottom end of the push plate when it is in a vertical state. When the handle is about to pass the comb teeth during rotation, the push plate is pushed by the push rod and swings and moves above the push rod, thereby driving the handle to rotate, so that an acute angle is formed between the bristles and the comb teeth.

9. A circulating flushing device according to any one of claims 1-3, characterized in that, An impact hammer assembly is installed inside the water storage tank. The impact hammer assembly includes a support plate, a swing arm, and two impact hammers. The support plate is connected to the bottom wall of the water storage tank. The middle part of the swing arm is rotatably mounted on the support plate and connected to the support plate by a torsion spring. The two impact hammers are respectively connected to the two ends of the swing arm. A drive shaft is also connected to the middle of the swing arm. Friction protrusions are provided on the outer wall of the drive shaft. Friction blocks are provided at the bottom of the support. When the support rotates, the friction blocks contact the friction protrusions, driving the drive shaft to rotate, which in turn drives the swing arm to swing, allowing the torsion spring to store energy. After the drive shaft disengages from the friction blocks, the torsion spring is released, causing the swing arm to swing back and forth, driving the two impact hammers to alternately strike the filter screen.

10. A circulating flushing device according to any one of claims 1-3, characterized in that, The water spray component includes a hollow annular container and multiple nozzles. The annular container is coaxially sleeved on the outside of the rotating shaft. An insert plate is provided on the outer wall of the inner ring of the annular container. An axially extending guide groove is provided on the outer wall of the rotating shaft. The insert plate is inserted into the guide groove. Multiple nozzles are arranged at intervals along the circumference of the annular container on the outer wall of the annular container. The water inlet pipe is located at the bottom of the annular container and is connected to the inner cavity of the annular container through a water pump.

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