Hydraulic driven cleaning wheel type screen filter device

Abstract

The present invention discloses a hydraulically driven cleaning rotary screen filter device, comprising a support frame, a driving roller assembly, a supporting plate, a driven roller assembly, a filter screen, a water-blocking plate, a connecting pipe, an automatic driving mechanism and a sludge removal assembly, wherein two support frames are symmetrically arranged, the driving roller assembly is arranged between the two support frames, and the automatic driving mechanism comprises a second main shaft, an impeller, a connecting assembly and a supporting cylinder, and the impeller is fixedly inserted on the outside of the second main shaft. The present invention utilizes a setting mode in which the filter screen and the automatic driving mechanism are matched, and the filter screen meshed therewith can be driven to operate by the rotation of the first rotating wheel, and then the sludge is brushed off onto the sewage discharge bearing plate by the cleaning brush, so that the automatic driving mechanism continuously drives the filter screen to operate, and the mud, dirt and the like on the filter screen are removed in time, the structure is relatively complete, the reliability is high, the operation is simple and reasonable, and the efficiency of cleaning floating objects in the sand settling tank is significantly improved.

Description

Technical Field

[0001] The invention relates to the field of surface water treatment and filtering equipment, in particular to a hydraulically driven cleaning rotary screen filtering device. Background Art

[0002] The equipment commonly used for surface cement sand and other waste treatment and filtration is mainly sand and gravel filters, mesh filters and laminated filters.

[0003] (1) The gravel filter is a filter in which impurities in the water are intercepted when the sewage passes through the quartz sand filter material. The filtration is mainly a resistance interception effect, and is mainly used to remove suspended matter in the water. After the water flows into the filter from the water inlet and flows through the filter layer, the suspended impurities in the water are adsorbed by the filter layer, and the filtered water flows from the water filter cap to the water outlet. The filter can be cleaned by backwashing. At this time, the water flows in the opposite direction from the water filter cap upward, causing turbulent disturbance in the filter layer. At this time, the adsorbed impurities are released and discharged through the discharge valve, and pollutants such as dirt are quickly washed away. Its disadvantages are high working pressure requirements and high hydraulic losses. Manual cleaning consumes a lot of manpower and is prone to water blocking and flow interruption incidents. Frequent automatic cleaning causes a lot of waste of water resources;

[0004] (2) The mesh filter intercepts impurities in the water whose particle size is larger than the size of the filter mesh holes and retains them on the surface of the filter when the sewage passes through the filter. The filtered water flows out through the outlet. There are two ways to clean the filter mesh: manual cleaning and automatic cleaning. The first is manual cleaning, which is to directly stop the water supply and then take out the filter mesh, and the management staff will clean the filter mesh with clean water; the second is automatic cleaning, which can be completed by using the adsorption device on the cleaning equipment to adsorb the impurities on the surface of the filter mesh and discharge them through the drain valve, or by using the brush to release the impurities adsorbed by the filter mesh and discharge them through the discharge valve. Its disadvantages are high working pressure requirements and high hydraulic losses. Manual cleaning consumes a lot of manpower and is prone to water blockage and flow interruption. Frequent automatic cleaning causes a lot of waste of water resources.

[0005] (3) When sewage passes through the filter screen, the laminated filter intercepts impurities in the water whose particle size is larger than the size of the laminated stacking orifice and retains them on the surface of the water inlet side. The filtered water flows out through the outlet. There are two ways to clean the filter screen: manual cleaning and automatic cleaning. The first is manual cleaning, which directly stops the water supply and then takes out the filter element, and the management personnel cleans it with clean water; the second is automatic cleaning, which can be completed by backwashing the impurities on the surface of the filter element through the sewage valve. The disadvantages are high working pressure requirements and high hydraulic losses. Manual cleaning consumes a lot of manpower and is prone to water blocking and flow interruption. Frequent automatic cleaning causes a lot of waste of water resources.

[0006] The existing filtering equipment for removing mud and other dirt in the grit tank, such as sand filters, mesh filters and laminated filters, has a relatively simple structure. If it is not cleaned in time, water blocking may easily occur. When water blocking is serious, it will cause the water in the grit tank to overflow, thereby causing the foundation of the grit tank to be eroded and the grit tank to be damaged. Summary of the invention

[0007] The object of the present invention is to provide a hydraulically driven cleaning rotary screen filter device to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydraulically driven cleaning rotary screen filter device, comprising a support frame, a driving roller assembly, a support plate, a driven roller assembly, a filter screen, a water-blocking plate, a connecting pipe, an automatic driving mechanism and a sludge removal assembly, wherein the two supporting frames are symmetrically arranged, the driving roller assembly is arranged between the two supporting frames, the supporting plates are arranged on both sides of the driving roller assembly, the driven roller assembly is arranged at the top between the two supporting plates, the filter screen is located between the driving roller assembly and the driven roller assembly, the two water-blocking plates are arranged on both sides of the filter screen, the connecting pipe is connected to one side of one of the supporting frames, the automatic driving mechanism is installed inside the driving roller assembly, and the sludge removal assembly is installed on the top of the filter screen;

[0009] The automatic drive mechanism includes a second main shaft, an impeller, a connecting assembly and a supporting tube. The impeller is fixedly inserted into the outside of the second main shaft. One end of the second main shaft is rotatably sleeved with the supporting tube, and the other end of the second main shaft is connected to the connecting assembly.

[0010] Preferably, the driving roller assembly includes a water passing center roller, a first rotating wheel and water passing holes, a plurality of the first rotating wheels are equidistantly arranged, the first rotating wheel is fixedly sleeved with the outer wall of the water passing center roller, and a plurality of the water passing holes are opened on the water passing center roller.

[0011] Preferably, the driven roller assembly includes a first main shaft and a second rotating wheel, a plurality of the second rotating wheels are equidistantly arranged, the second rotating wheels are fixedly sleeved on the outer wall of the first main shaft, and the two ends of the first main shaft are rotatably and interlacedly connected with the tops of the two support plates respectively.

[0012] Preferably, at least three first support rods are fixedly connected to the outer wall of the support tube in a circular array, and one end of the first support rod is fixedly connected to the inner wall of the connecting tube.

[0013] Preferably, the connecting assembly comprises a connecting shaft and a connecting cylinder, one end of the connecting shaft is fixedly connected to the other end of the second main shaft, and the connecting shaft is slidably sleeved with the connecting cylinder.

[0014] Preferably, at least three second support rods are fixedly connected to the outer wall of the connecting tube in a ring array, and one end of the second support rod is fixedly connected to the inner wall of the water-passing center roller.

[0015] Preferably, the connecting assembly further comprises a fixing head and a magnet, wherein the fixing head is fixedly connected to one end of the connecting tube, and the magnet is fixedly connected to the inner wall of the fixing head.

[0016] Preferably, the sludge removal assembly includes a sludge removal brush, a sewage discharge supporting plate and a mounting frame, the sludge removal brush is arranged on the top of the filter net, the sewage discharge supporting plate is fixedly connected to the back side of the sludge removal brush, the two mounting frames are fixedly connected to the two sides of the sludge removal brush, and the mounting frame is fixedly connected to the top of the support plate.

[0017] Preferably, the sludge removal brush comprises a brush rack and a cleaning brush, both ends of the brush rack are fixedly connected to the tops of two mounting frames, and a plurality of the cleaning brushes are distributed and fixedly embedded in the bottom of the brush rack.

[0018] Preferably, the two water-blocking plates are fixedly connected to opposite sides with support rings, and the top of the support frame is slidably and interspersed with a plurality of bolts in a circular array, and the bolts pass through the support plates and the water-blocking plates and are threadedly connected to the support rings, and the two ends of the water-passing center roller are rotatably connected to the two support rings respectively.

[0019] Technical effects and advantages of the present invention:

[0020] (1) The present invention utilizes a setting mode in which the filter screen and the automatic driving mechanism cooperate with each other. The first rotating wheel rotates to drive the meshed filter screen to operate, and then the sludge is brushed off to the sewage discharge bearing plate by the cleaning brush, so that the automatic driving mechanism continuously drives the filter screen to operate, and the silt, dirt, etc. on the filter screen are removed in time. The structure is relatively complete, the reliability is high, the operation is simple and more reasonable, and the efficiency of cleaning floating objects in the grit chamber is significantly improved;

[0021] (2) The present invention utilizes a configuration in which the connecting shaft and the connecting cylinder cooperate with each other. The external part of the connecting shaft is connected with a plurality of protrusions, which facilitates the cooperation with the connecting cylinder. This makes the cooperation between the connecting shaft and the connecting cylinder closer, and also enables the self-rotation of the connecting shaft to drive the connecting cylinder to rotate.

[0022] (3) The present invention utilizes a setting method in which a fixed head and a magnet cooperate with each other. The connecting shaft is made of iron. The connecting shaft and the magnet can attract each other, thereby preventing the connecting shaft from arbitrarily escaping from the inner cavity of the connecting tube, making the cooperation between the connecting shaft and the connecting tube more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a schematic diagram of the front structure of the present invention.

[0025] Figure 3 It is a schematic diagram of the side structure of the present invention.

[0026] Figure 4 It is a schematic diagram of the internal structure of the back side of the present invention.

[0027] Figure 5 It is a structural schematic diagram of the sludge removal component of the present invention.

[0028] Figure 6 It is a front structural schematic diagram of the automatic driving mechanism of the present invention.

[0029] Figure 7 It is a schematic diagram of the side structure of the impeller of the present invention.

[0030] Figure 8 It is a schematic diagram of the internal front structure of the connecting tube of the present invention.

[0031] In the figure: 1. support frame; 2. driving roller assembly; 21. water passing center roller; 22. first rotating wheel; 23. water passing hole; 3. support plate; 4. driven roller assembly; 41. first main shaft; 42. second rotating wheel; 5. filter screen; 6. water-blocking plate; 7. connecting pipe; 8. automatic driving mechanism; 81. second main shaft; 82. impeller; 83. connecting assembly; 831. connecting shaft; 832. connecting cylinder; 833. fixing head; 834. magnet; 84. support cylinder; 9. sludge removal assembly; 91. sludge removal brush; 911. brush holder; 912. cleaning brush; 92. sewage discharge bearing plate; 93. mounting frame; 10. support ring. DETAILED DESCRIPTION

[0032] 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.

[0033] The present invention provides Figure 1-8The hydraulically driven cleaning rotary screen filter device shown comprises a support frame 1, a driving roller assembly 2, a support plate 3, a driven roller assembly 4, a filter screen 5, a water-blocking plate 6, a connecting pipe 7, an automatic driving mechanism 8 and a sludge removal assembly 9. The two support frames 1 are symmetrically arranged, and two fixing rods are fixedly connected between the two support frames 1. The fixing rods are used to support and fix the relative positions of the two support frames 1. The support plates 3 are arranged on both sides of the driving roller assembly 2. The support plates 3 are used to support the position of the driven roller assembly 4, so that the fixed-axis rotation of the first main shaft 41 is more stable. The filter screen 5 is located between the driving roller assembly 2 and the driven roller assembly 4. Between the components 4, the filter screen 5 is used to facilitate the filtering of mud and other impurities, saving water resources for cleaning the filter screen. Two baffles 6 are arranged on both sides of the filter screen 5. The space area composed of the filter screen 5 and the baffles 6 is a clean water buffer area. After the sewage is filtered through the filter screen 5, it will enter the clean water buffer area. Then, due to the barrier of water by the baffle 6 and the barrier of the equipment on the back of the filter device, the water body can only move toward the direction of the inner cavity of the water hole 23, and then impact the automatic driving mechanism 8. The connecting pipe 7 is connected to one side of one of the support frames 1, and the connecting pipe 7 is fixedly connected with the support plate 3.

[0034] The automatic driving mechanism 8 is installed inside the driving roller assembly 2. The automatic driving mechanism 8 includes a second main shaft 81, an impeller 82, a connecting assembly 83 and a supporting tube 84. The impeller 82 is fixedly inserted into the outside of the second main shaft 81. The blades of the impeller 82 are in an inclined state. When the water flow impacts the inclined blades horizontally, it will provide a force to the impeller 82, so that the impeller 82 can rotate in a centering manner. One end of the second main shaft 81 is rotatably sleeved with the supporting tube 84. The supporting tube 84 is convenient for supporting the rotation of the second main shaft 81, so that the rotation of the second main shaft 81 is more stable. The other end of the second main shaft 81 is connected to the connecting assembly 83. Through the connection of the connecting assembly 83, the rotation of the impeller 82 can drive the water-passing center roller 21 to rotate. The outer wall of the supporting tube 84 is in a circular array and fixedly connected with at least three first supporting rods. One end of the first supporting rod is fixedly connected to the inner wall of the connecting pipe 7. The connecting assembly 83 includes a connecting shaft 831 and a connecting tube 832. One end of the shaft 831 is fixedly connected to the other end of the second main shaft 81, and the connecting shaft 831 is slidably sleeved with the connecting tube 832. The outside of the connecting shaft 831 is connected with a plurality of protrusions for easy cooperation with the connecting tube 832, so that the cooperation between the connecting shaft 831 and the connecting tube 832 is closer, that is, the rotation of the connecting shaft 831 can drive the connecting tube 832 to rotate. The outer wall of the connecting tube 832 is fixedly connected with at least three second support rods in an annular array, and one end of the second support rod is fixedly connected to the inner wall of the water passing center roller 21. The connecting assembly 83 also includes a fixed head 833 and a magnet 834. The fixed head 833 is fixedly connected to one end of the connecting tube 832, and the magnet 834 is fixedly connected to the inner wall of the fixed head 833. The connecting shaft 831 is made of iron, and the connecting shaft 831 and the magnet 834 can attract each other, thereby preventing the connecting shaft 831 from arbitrarily detaching from the inner cavity of the connecting tube 832, so that the cooperation between the connecting shaft 831 and the connecting tube 832 is more stable.

[0035] The driving roller assembly 2 is arranged between the two support frames 1, and the driving roller assembly 2 includes a water passing center roller 21, a first rotating wheel 22 and a water passing hole 23. The multiple first rotating wheels 22 are arranged at equal distances, and the first rotating wheel 22 is fixedly sleeved with the outer wall of the water passing center roller 21. The multiple water passing holes 23 are opened on the water passing center roller 21. The driven roller assembly 4 is arranged at the top between the two support plates 3. The driven roller assembly 4 includes a first main shaft 41 and a second rotating wheel 42. The multiple second rotating wheels 42 are arranged at equal distances, and the second rotating wheels 42 are sleeved with the first rotating wheels 42. The outer wall of a main shaft 41 is fixedly sleeved, and the two ends of the first main shaft 41 are respectively rotatably and interlacedly connected with the tops of the two support plates 3. The outer circular walls of the first rotating wheel 22 and the second rotating wheel 42 are connected with a plurality of convex teeth, and the convex teeth are arranged in a ring array. The convex teeth can be engaged in the gap of the filter screen 5, so that the rotation of the first rotating wheel 22 can drive the filter screen 5 engaged therewith to run. The first rotating wheel 22 and the second rotating wheel 42 are used to support the operation of the filter screen 5 to prevent the filter screen 5 from falling during operation.

[0036] The sludge removal assembly 9 is installed on the top of the filter screen 5. The sludge removal assembly 9 includes a sludge removal brush 91, a sewage discharge carrying plate 92 and a mounting frame 93. The sludge removal brush 91 is arranged on the top of the filter screen 5. The sewage discharge carrying plate 92 is fixedly connected to the back of the sludge removal brush 91. Two mounting frames 93 are fixedly connected to the two sides of the sludge removal brush 91. The mounting frame 93 is fixedly connected to the top of the support plate 3. The sludge removal brush 91 includes a brush frame 911 and a cleaning brush 912. The two ends of the brush frame 911 are fixedly connected to the tops of the two mounting frames 93. A plurality of cleaning brushes 912 are fixedly embedded in the bottom of the brush frame 911. The installation of the cleaning brush 912 facilitates the cleaning of sludge and other impurities on the filter screen 5, so that the dirt can fall onto the sewage discharge carrying plate 92, which is convenient for removing impurities on the filter screen 5 without affecting the rotation of the filter screen. The relative position between the sludge removal brush 91 and the filter screen 5 is conveniently installed and fixed by the mounting frame 93.

[0037] The two opposite sides of the two water-blocking plates 6 are fixedly connected with support rings 10, and the top of the support frame 1 is slidably connected with multiple bolts in a circular array. The bolts pass through the support plate 3 and the water-blocking plate 6 and are threadedly connected with the support ring 10. The two ends of the water-passing center roller 21 are rotatably connected with the two support rings 10 respectively. The bolts are used to conveniently connect and fix the relative positions of the support frame 1, the support plate 3, the water-blocking plate 6 and the support ring 10. The support ring 10 is used to conveniently support the rotation of the water-passing center roller 21, so that the rotation of the water-passing center roller 21 is more stable.

[0038] Working principle of the present invention: During use, sewage flows toward the front direction of the filter screen 5, and then is filtered by the filter screen 5. Clean liquid will pass through the gap of the filter screen 5 and enter the clean water buffer area inside the filter screen 5. Through the blocking of the two water-blocking plates 6, the clean liquid will pass through the water hole 23 and enter the inner cavity of the water-passing center roller 21. The clean liquid flows inside the water-passing center roller 21 and rushes to the automatic driving mechanism 8. The potential energy of the clean liquid impacts the impeller 82, causing the impeller 82 to rotate. Then the impeller 82 drives the second main shaft 81 to rotate. Through the connection of the connecting shaft 831, the second main shaft 81 The connecting shaft 831 is driven to rotate synchronously, and then under the connection of the second support rod, the water-passing center roller 21 will rotate on its own, and then the first rotating wheel 22 will rotate along with the water-passing center roller 21. Through the rotation of the first rotating wheel 22, the filter screen 5 meshed therewith can be driven to operate, so that the filter screen 5 can operate, and the sludge attached to the filter screen 5 is sent to the sludge removal component 9, and then the sludge is brushed off to the sewage discharge carrying plate 92 by the cleaning brush 912, so that the automatic driving mechanism 8 continuously drives the filter screen 5 to operate, so that the filter screen 5 and the sludge removal component 9 can be made to move relative to each other, and the mud, dirt, etc. on the filter screen 5 can be removed in time.

[0039] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulically driven cleaning rotary screen filter device, comprising a support frame (1), a driving roller assembly (2), a supporting plate (3), a driven roller assembly (4), a filter screen (5), a water-blocking plate (6), a connecting pipe (7), an automatic driving mechanism (8) and a sludge removal assembly (9), characterized in that: The two support frames (1) are symmetrically arranged, the driving roller assembly (2) is arranged between the two support frames (1), the support plate (3) is arranged on both sides of the driving roller assembly (2), the driven roller assembly (4) is arranged on the top between the two support plates (3), the filter screen (5) is located between the driving roller assembly (2) and the driven roller assembly (4), the two water-blocking plates (6) are arranged on both sides of the filter screen (5), the connecting pipe (7) is connected to one side of one of the support frames (1), the automatic driving mechanism (8) is installed inside the driving roller assembly (2), and the sludge removal assembly (9) is installed on the top of the filter screen (5); The automatic drive mechanism (8) comprises a second main shaft (81), an impeller (82), a connecting assembly (83) and a supporting tube (84); the impeller (82) is fixedly inserted into the outside of the second main shaft (81); one end of the second main shaft (81) is rotatably sleeved with the supporting tube (84); and the other end of the second main shaft (81) is connected to the connecting assembly (83); At least three first support rods are fixedly connected to the outer wall of the support tube (84) in a circular array, and one end of the first support rod is fixedly connected to the inner wall of the connecting tube (7); The connecting assembly (83) comprises a connecting shaft (831) and a connecting cylinder (832); one end of the connecting shaft (831) is fixedly connected to the other end of the second main shaft (81); and the connecting shaft (831) and the connecting cylinder (832) are slidably sleeved; At least three second support rods are fixedly connected to the outer wall of the connecting cylinder (832) in a ring array, and one end of the second support rod is fixedly connected to the inner wall of the water passing center roller (21); The connection assembly (83) further comprises a fixed head (833) and a magnet (834); the fixed head (833) is fixedly connected to one end of the connection tube (832); and the magnet (834) is fixedly connected to the inner wall of the fixed head (833).

2. The hydraulically driven cleaning wheel type screen filter device according to claim 1, characterized in that: The driving roller assembly (2) comprises a water passing center roller (21), a first rotating wheel (22) and water passing holes (23), wherein a plurality of the first rotating wheels (22) are arranged at equal intervals, the first rotating wheels (22) are fixedly sleeved with the outer wall of the water passing center roller (21), and a plurality of the water passing holes (23) are formed on the water passing center roller (21).

3. The hydraulically driven cleaning wheel type screen filter device according to claim 1, characterized in that: The driven roller assembly (4) comprises a first main shaft (41) and second rotating wheels (42), wherein a plurality of the second rotating wheels (42) are arranged at equal intervals, the second rotating wheels (42) are fixedly sleeved with the outer wall of the first main shaft (41), and the two ends of the first main shaft (41) are respectively rotatably connected to the tops of the two support plates (3).

4. The hydraulically driven cleaning wheel type screen filter device according to claim 1, characterized in that: The sludge removal assembly (9) comprises a sludge removal brush (91), a sewage discharge bearing plate (92) and a mounting frame (93); the sludge removal brush (91) is arranged on the top of the filter screen (5); the sewage discharge bearing plate (92) is fixedly connected to the back of the sludge removal brush (91); the two mounting frames (93) are fixedly connected to the two sides of the sludge removal brush (91); and the mounting frames (93) are fixedly connected to the top of the support plate (3).

5. The hydraulically driven cleaning wheel type screen filter device according to claim 4, characterized in that: The sludge removal brush (91) comprises a brush frame (911) and a cleaning brush (912); two ends of the brush frame (911) are fixedly connected to the tops of two mounting frames (93); a plurality of cleaning brushes (912) are distributed and fixedly embedded in the bottom of the brush frame (911).

6. The hydraulically driven cleaning wheel type screen filter device according to claim 2, characterized in that: The two water-blocking plates (6) are fixedly connected to a support ring (10) on one side opposite to the other. The top of the support frame (1) is slidably connected to a plurality of bolts in a circular array. The bolts pass through the support plate (3) and the water-blocking plate (6) and are threadedly connected to the support ring (10). The two ends of the water-passing center roller (21) are rotatably sleeved with the two support rings (10) respectively.

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