Water purification device for solid-liquid separation

Abstract

The invention relates to the technical field of separation equipment, and provides a solid-liquid separation water purification device which comprises a cleaning box and a cylinder arranged in the cleaning box, and the bottom of the cylinder forms a solid-liquid separation gap through arc-shaped plates arranged at equal intervals in the axial direction; a cleaning brush mechanism is arranged in the cleaning box and comprises brush racks corresponding to gaps of the arc-shaped plates, the brush racks can axially scrape and sweep relative to the arc-shaped plates, a bearing arc-shaped plate periodically ascending and descending along with the lifting mechanism is arranged in the cleaning box, and an elastic contact body is fixedly connected to the bearing arc-shaped plate. The elastic contact body is provided with an attaching face capable of being attached to the plate tangent plane of the arc-shaped plate and used for cutting off adhesive impurities attached to the plate tangent plane and pushing the adhesive impurities into the solid-liquid separation gap, the lifting mechanism comprises a shaft body arranged on the cleaning box and a cam installed on the shaft body, and the cam is used for driving an ejector rod connected to the bearing arc plate to ascend and descend. And therefore, the bearing arc plate and the elastic contact body form circular cleaning actions of fitting, cutting off and withdrawing.

Description

Technical Field

[0001] This invention relates to the field of separation equipment technology, and more specifically to a water purification device for solid-liquid separation. Background Technology

[0002] Existing solid-liquid separation water purification devices mostly use fixed screens or flat filter plates as the main filter element, and typically rely on the weight of the water flow or a unidirectional scraper mechanism to clean the screen surface. Because the cleaning path is relatively simple, the scraper can only effectively remove impurities from the planar area, while adhering impurities located at the edges of the filter slots and corners of the plate's cross-section are often difficult to completely remove. As the filter plate operates in the water for extended periods, fine fibrous, membrane-like, or sticky substances tend to accumulate at these edges, causing localized blockages and a gradual decrease in overall filtration efficiency.

[0003] To improve the cleaning effect, some solutions have tried to enhance the scraping ability by extending the brush teeth or increasing the length of the brush teeth. However, while the brush tooth structure has the advantage of cleaning flat surfaces, it is still difficult to generate sufficient peeling force for impurities that are closely attached to the cut surface of the plate or the rounded corner transition, so it cannot be effectively removed and the clogging problem still exists. Therefore, we propose a solid-liquid separation water purification device. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the present invention provides a water purification device with solid-liquid separation, which overcomes the shortcomings of the prior art, has a reasonable design and compact structure, and solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A water purification device for solid-liquid separation includes a cleaning tank and a cylinder disposed inside the cleaning tank. The bottom of the cylinder is formed by arc-shaped plates arranged equidistantly along the axial direction to form a solid-liquid separation gap. A cleaning brush mechanism is provided inside the cleaning tank. The cleaning brush mechanism includes brush teeth corresponding to the gap between the arc-shaped plates. The brush teeth can perform axial scraping relative to the arc-shaped plates to remove trapped impurities inside the gap.

[0007] The cleaning box is equipped with a support arc plate that rises and falls periodically with the lifting mechanism. An elastic contact body is fixedly connected to the support arc plate. The elastic contact body has a contact surface that can fit the cut surface of the arc plate. It is used to cut off the adhesive impurities attached to the cut surface of the plate and push them into the solid-liquid separation gap, so that the impurities pushed in can be scraped off by the brush tooth strip.

[0008] The lifting mechanism includes a shaft mounted on the cleaning box and a cam mounted on the shaft. The cam is used to drive the lifting of the top rod connected to the supporting arc plate, so that the supporting arc plate and the elastic contact body form a cyclic cleaning action of contacting, cutting off, and retracting.

[0009] Preferably, the toothed brush is fixedly installed on the cleaning brush holder, which is driven to rotate by the cleaning brush shaft, so that the toothed brush sequentially scrapes the gaps between the arc-shaped plates along the axial direction of the cylinder.

[0010] Preferably, a scraper shaft is provided on the side of the cleaning box, and multiple scraper plates are evenly distributed on the outer periphery of the scraper shaft. The scraper plates are used to scrape off the impurities pushed out of the arc plate by the brush toothed strip and transport the impurities into the collection box.

[0011] Preferably, the scraper shaft and the cleaning brush shaft are respectively equipped with a scraper sprocket and a cleaning sprocket, and the scraper sprocket and the cleaning sprocket are synchronously engaged by a chain, so that the scraper shaft and the cleaning brush shaft can rotate synchronously.

[0012] Preferably, the elastic contact body includes symmetrically arranged flanges on the left and right sides and a concave surface located in the middle for adhering to the cut surface of the plate. The flanges are provided with raised ridges to enhance the ability to peel off impurities attached to the edge of the cut surface of the plate.

[0013] Preferably, the inner side of the cam is provided with a concave arc surface, which is used to enable the supporting arc plate and the elastic contact body on it to retract downward after the cutting action is completed, so that the elastic contact body automatically avoids the scraping path of the brush bar.

[0014] Preferably, the top rod connecting the supporting arc plate is slidably set in a slide rail fixed to the inner wall of the cleaning box, and the pulley at the bottom of the top rod rolls along the outer edge of the cam to stably control the lifting trajectory of the supporting arc plate.

[0015] Preferably, a disturbance frame is provided on the cleaning brush shaft. When the disturbance frame rotates inside the cylinder, it generates disturbance force, which causes the water flow to form a disturbed flow state, thereby increasing the probability of suspended solids being exposed to the gap between the arc-shaped plates.

[0016] Preferably, a connecting column is provided on the top of the cleaning tank, and a baffle is installed between the connecting columns. The baffle is located below the water inlet and curves upward to both sides to reduce the impact of incoming water and stabilize the flow.

[0017] Preferably, adjacent arc-shaped plates are arranged parallel to each other along the axial direction of the cylinder, forming a solid-liquid separation gap of equal width between the arc-shaped plates, and forming an annular filter slit structure at the bottom of the cylinder.

[0018] This invention provides a water purification device that separates solids and liquids. It has the following beneficial effects:

[0019] 1. When the brush bar scrapes the filter gap between the arc plates axially, it can actively push out the impurities in the gap; at the same time, the elastic contact body that moves with the rise and fall of the supporting arc plate uses the concave surface to fit the plate cut surface, and cuts and peels off the stubborn impurities on the cut surface edge through the convex edge of the flange, so that they are pushed into the filter gap, and then discharged by the brush bar for secondary cleaning. Attached Figure Description

[0020] Figure 1This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the present invention.

[0027] In the diagram: 1. Cleaning box; 11. Collection box; 12. Sedimentation chute; 13. Inlet; 14. Outlet; 15. Connecting column; 16. Baffle plate; 17. Drive motor; 2. Scraper shaft; 21. Scraper blade; 22. Scraper sprocket; 3. Cylinder; 31. Cleaning brush shaft; 32. Cleaning sprocket; 33. Cleaning brush holder; 34. Brush rack; 35. Disturbing frame; 36. Arc plate; 37. Plate cross-section; 4. Shaft; 41. Sprocket; 42. Cam; 43. Concave arc surface; 44. Slide; 45. Top rod; 46. Pulley; 5. Supporting arc plate; 51. Connecting arc body; 52. Elastic contact body; 521. Flange; 522. Concave surface. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, what is described is only a part of this invention, not all of it. All other works obtained by those skilled in the art based on this invention without inventive effort are within the scope of protection of this invention.

[0029] See attached document Figures 1-7 A solid-liquid separation water purification device includes a cleaning tank 1, with an inlet 13 at the top and an outlet 14 at the bottom, controlled by a valve. The cleaning tank 1 contains an open-bottomed cylindrical body 3, with a drive motor 17 connected to one end. Multiple arc-shaped plates 36 are equidistantly connected at the open bottom of the cylindrical body 3, and the arc-shaped plates 36 are arranged parallel to the axial direction of the cylindrical body 3. The solid-liquid separation gaps formed between adjacent arc-shaped plates 36 constitute a filter screen structure.

[0030] The output end of the drive motor 17 is fixedly connected to the cleaning brush shaft 31. The cleaning brush shaft 31 passes through the cleaning box 1 and the cylinder 3 through the bearing and extends to the other side of the cleaning box 1, so that it can rotate freely. The end of the cleaning brush shaft 31 is fixedly connected to the cleaning sprocket 32. The cleaning brush holder 33 is fixedly connected to the cleaning brush shaft 31. At least one brush tooth 34 is installed on the cleaning brush holder 33 along the axial direction. The brush tooth 34 corresponds to the gap of the arc plate 36 one by one and is used to scrape off the trapped impurities in the gap.

[0031] One side of the cleaning box 1 is connected to the collection box 11. A scraper shaft 2 is installed between the cleaning box 1 and the collection box 11. Multiple scraper plates 21 are evenly distributed on the outer periphery of the scraper shaft 2. A scraper sprocket 22 is fixedly connected to the end of the scraper shaft 2. The scraper sprocket 22 and the cleaning sprocket 32 ​​mesh synchronously, so that the scraper shaft 2 and the cleaning brush shaft 31 rotate synchronously. The scraper plate 21 is attached to one side of the arc plate 36. When the brush toothed bar 34 moves the trapped impurities to one side of the arc plate 36, the scraper plate 21 further transports the trapped impurities into the collection box 11.

[0032] A supporting arc plate 5 is provided at the bottom of the arc plate 36. Multiple connecting arc bodies 51 are connected to the supporting arc plate 5. Each connecting arc body 51 is provided with an elastic contact body 52. ​​The elastic contact body 52 can be selected from silicone, rubber, polyurethane, etc. The elastic contact body 52 includes flanges 521 extending on both sides and concave surfaces 522 extending in the gap direction. Adjacent flanges 521 are in contact with each other. The flanges 521 located in the direction of the plate cut surface 37 are provided with protruding ridges so that the flanges 521 can match and cooperate with the plate cut surface 37 to help cut off the trapped impurities attached to the plate cut surface 37.

[0033] A lifting mechanism is provided at the bottom of the supporting arc plate 5. The lifting mechanism includes a shaft 4 located in the cleaning box 1. Cams 42 are fixed to both ends of the shaft 4. A concave arc surface 43 is provided on the inner side of the cam 42. The top rod 45 at the bottom of the supporting arc plate 5 is slidably arranged in a slide rail 44 fixed to the inner wall of the cleaning box 1. The bottom of the top rod 45 is connected to a pulley 46, which slides along the outer edge of the cam 42. A sprocket 41 is fixed to the end of the shaft 4 and is synchronously driven with the cleaning sprocket 32 ​​through a chain.

[0034] When the drive motor 17 is working, the cylinder 3, scraper shaft 2, and shaft 4 rotate synchronously. The rotation of the cylinder 3 drives the brush rack 34 to scrape the trapped impurities in the gap to the scraper shaft 2; the rotation of the scraper shaft 2 transports the impurities into the collection box 11. When the shaft 4 rotates, the cam 42 pushes the push rod 45 to lift as a whole, causing the supporting arc plate 5 to rise and fall periodically. When the supporting arc plate 5 rises, the concave surface 522 fits against the plate cut surface 37 and cuts off the trapped impurities attached to it and pushes them into the gap, where they are then scraped off by the brush toothed strip 34. The concave arc surface 43 enables the elastic contact body 52 to automatically retract. The elastic contact body 52 then descends along the guide concave arc surface 43 to avoid the scraping path, completing the unloading action. The concave arc surface 43 also causes the elastic contact body 52 to be lifted a second time. There may still be thin film-like or highly adhesive small residues near the plate cut surface 37 after scraping. The elastic contact body 52 being lifted again can form a first adhesion and peeling action on the plate cut surface 37, which is equivalent to performing a second cleaning and improving the thoroughness of cleaning.

[0035] A disturbance frame 35, smaller than the cleaning brush frame 33, is also fixedly attached to the cleaning brush shaft 31. It is used to disturb the water flow inside the cylinder 3 and improve the separation efficiency.

[0036] A pair of connecting posts 15 are connected to the top of the cleaning tank 1, and a baffle 16 is installed between the connecting posts 15. The baffle 16 is located below the water inlet 13 and curves upward on both sides to reduce the impact of incoming water and stabilize the flow.

[0037] The bottom side wall of the cleaning tank 1 is provided with a sedimentation chute 12, which is used to guide the settled solids along the chute to the lower area for easy centralized sewage discharge.

[0038] Working principle: During use, external water flows into the cleaning tank 1 through the inlet 13. Under the guidance of the baffle plate 16, the water flows steadily into the cylinder 3 area. The bottom of the cylinder 3 is composed of an axial filter slot structure consisting of multiple arc-shaped plates 36. Solid particles, suspended matter, and filamentous debris in the water are blocked and trapped on the gap surface between the arc-shaped plates 36, while the clarified water flows out through the outlet 14, achieving primary solid-liquid separation.

[0039] After the drive motor 17 starts, it drives the cleaning brush shaft 31, scraper shaft 2, and shaft lift 4 to rotate synchronously. When the cleaning brush shaft 31 rotates, the brush toothed strip 34 fixed on it moves along the axial direction of the cylinder 3, scraping the gaps of the arc-shaped plate 36 in sequence, pushing the impurities trapped inside the filter gaps to the outside of the arc-shaped plate 36. At the same time, the rotation of the scraper shaft 2 causes the scraper plate 21 to fit against the outside of the arc-shaped plate 36, further scraping the impurities pushed by the brush toothed strip 34 away from the arc-shaped plate 36 and conveying them into the collection box 11, realizing the centralized collection of solid impurities.

[0040] While cleaning the filter gaps, the rotation of the shaft 4 drives the cam 42 to perform periodic lifting and lowering movements. The cam 42 pushes the push rod 45 upward, thereby causing the supporting arc plate 5 and its elastic contact body 52 to rise synchronously. When the elastic contact body 52 rises to the plate cut surface 37, its concave surface 522 is in close contact with the rounded corner of the plate cut surface 37, and the flange 521 cuts off the impurities attached to the plate cut surface 37 and pushes them into the gap of the arc plate 36; the convex edge of the flange 521 further assists in scraping off the adhering impurities on the edge of the plate cut surface 37, achieving deep cleaning of the area where the plate cut surface 37 meets the filter gaps;

[0041] When the cam 42 continues to rotate to the low position, the concave arc surface 43 causes the elastic contact body 52 and other connecting parts to retract under their own gravity, disengage from the gap inside the arc plate 36, and cause the cut impurities to fall back to the filter gap position and be scraped off again by the brush toothed strip 34, and finally enter the scraping path of the scraper shaft 2 to achieve complete cycle cleaning.

[0042] Meanwhile, the disturbance frame 35 on the cleaning brush shaft 31 disturbs the water flow inside the cylinder 3, making it easier for suspended solids to be exposed at the filter gap, thus improving the solid-liquid separation efficiency.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0044] The above description is only used to illustrate the technical solutions of the present invention, and is not intended to limit them. Although the present invention has been described in detail with reference to the foregoing, those skilled in the art should understand that modifications can still be made to the foregoing technical solutions, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A water purification device for solid-liquid separation, comprising a cleaning tank (1) and a cylindrical body (3) disposed inside the cleaning tank (1), characterized in that: The bottom of the cylinder (3) is formed by arc-shaped plates (36) arranged equidistantly along the axial direction to form a solid-liquid separation gap; a cleaning brush mechanism is provided in the cleaning box (1), which includes a brush toothed bar (34) corresponding to the gap of the arc-shaped plate (36). The brush toothed bar (34) can perform axial scraping relative to the arc-shaped plate (36) to scrape off the trapped impurities inside the gap. The cleaning box (1) is equipped with a support arc plate (5) that rises and falls periodically with the lifting mechanism. An elastic contact body (52) is fixedly connected to the support arc plate (5). The elastic contact body (52) has a contact surface that can fit the cut surface (37) of the arc plate (36). It is used to cut off the adhesive impurities attached to the cut surface (37) of the plate and push them into the solid-liquid separation gap, so that the impurities pushed in can be scraped off by the brush toothed strip (34). The lifting mechanism includes a shaft (4) mounted on the cleaning box (1) and a cam (42) mounted on the shaft (4). The cam (42) is used to drive the top rod (45) connected to the supporting arc plate (5) to lift, so that the supporting arc plate (5) and the elastic contact body (52) form a cyclic cleaning action of contacting, cutting off and retracting.

2. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The toothed brush (34) is fixedly installed on the cleaning brush holder (33), which is driven to rotate by the cleaning brush shaft (31), so that the toothed brush (34) scrapes the gap of the arc plate (36) along the axial direction of the cylinder (3).

3. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The cleaning box (1) is provided with a scraper shaft (2) on the side. Multiple scraper plates (21) are evenly distributed on the outer periphery of the scraper shaft (2). The scraper plates (21) are used to scrape off the impurities pushed out of the arc plate (36) by the brushed toothed strip (34) and transport the impurities to the collection box (11).

4. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The scraper shaft (2) and the cleaning brush shaft (31) are respectively equipped with scraper sprockets (22) and cleaning sprockets (32). The scraper sprockets (22) and the cleaning sprockets (32) are synchronously engaged by a chain, so that the scraper shaft (2) and the cleaning brush shaft (31) can rotate synchronously.

5. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The elastic contact body (52) includes a flange (521) arranged symmetrically on the left and right sides and a concave surface (522) located in the middle for adhering to the plate cut surface (37). The flange (521) is provided with a protruding ridge to enhance the ability to peel off impurities attached to the edge of the plate cut surface (37).

6. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The inner side of the cam (42) is provided with a concave arc surface (43). The concave arc surface (43) is used to enable the supporting arc plate (5) and its elastic contact body (52) to retract downward after the cutting action is completed, so that the elastic contact body (52) automatically avoids the scraping path of the brush bar (34).

7. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The top rod (45) connecting the supporting arc plate (5) is slidably set in the slide (44) fixed in the inner wall of the cleaning box (1). The pulley (46) set at the bottom of the top rod (45) rolls along the outer edge of the cam (42) to stably control the lifting trajectory of the supporting arc plate (5).

8. The water purification device for solid-liquid separation as described in claim 1, characterized in that: The cleaning brush shaft (31) is provided with a disturbance frame (35). When the disturbance frame (35) rotates inside the cylinder (3), it generates disturbance force, which causes the water flow to form a disturbed flow state to increase the probability of suspended solids being exposed to the gap of the arc plate (36).

9. The water purification device for solid-liquid separation as described in claim 1, characterized in that: A connecting column (15) is provided on the top of the cleaning tank (1), and a baffle (16) is installed between the connecting columns (15). The baffle (16) is located below the water inlet (13) and tilts upwards to both sides to reduce the impact of water inlet and stabilize the flow.

10. The water purification device for solid-liquid separation as described in claim 1, characterized in that: Adjacent arc plates (36) are arranged parallel to each other along the axial direction of the cylinder (3), forming a solid-liquid separation gap of equal width between the arc plates (36), and forming an annular filter slit structure at the bottom of the cylinder (3).

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