Accurate backwashing device for V-shaped filter tank

Abstract

The utility model discloses an accurate backwashing device for a V-shaped filter tank, which relates to the technical field of V-shaped filter tanks and comprises a filter tank, a fixing frame detachably mounted on two mounting plates, filter plates detachably mounted at the upper end and the lower end of the fixing frame, filter materials filled in the fixing frame, and a driving component mounted in the filter tank and comprising a crankshaft. A crankshaft is arranged in the filter tank, two connecting pieces which are symmetrically distributed are hinged to the crankshaft, a motor is fixedly mounted on one side of the filter tank, and a cleaning assembly is mounted in the filter tank. The driving assembly is arranged, so that the mounting plate and the fixed frame are driven by the driving assembly to slide up and down while a gas pipe and a water pipe are used for backwashing a filter device in the filter tank; the filter materials in the fixed frame rub each other to shake, impurities adhered to the surfaces of the filter materials are separated, so that the purpose of backwashing the filter device is achieved, the filter materials shake and hit the filter plate at the same time, impurities clamped in meshes of the filter plate can be vibrated out, and the meshes of the filter plate are prevented from being blocked, and the filter effect is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of V-type filter tanks, in particular to a precise backwashing device for a V-type filter tank. Background Art

[0002] V-type filter has been widely used in the field of water treatment due to its excellent filtering effect and backwashing ability. Its advantages include good effluent quality, high filtration rate, long operation cycle, energy saving and easy automation management. In addition, the V-type filter has a good backwashing effect, which can significantly reduce the backwashing water volume and power consumption, increase the filtration cycle of the filter, extend the working cycle, and increase the water output.

[0003] Currently, the existing V-type filter backwashing device generally uses water flow for backwashing, pumps in air to achieve air washing, or performs water washing and air washing simultaneously. However, the cleaning effect of these sand washing methods is very limited, resulting in the need to improve the backwashing accuracy. In view of the above problems, the inventor proposes a V-type filter precision backwashing device to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the existing V-type filter backwashing device has a very limited cleaning effect, resulting in the backwashing accuracy to be improved; the purpose of the utility model is to provide a V-type filter precision backwashing device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a V-type filter tank precision backwashing device, including a filter tank, two symmetrically distributed mounting plates are slidably installed in the filter tank, and a fixed frame is detachably installed on the two mounting plates, and filter plates are detachably installed at the upper and lower ends of the fixed frame. The fixed frame is filled with filter material, and a driving assembly is installed in the filter tank. The driving assembly includes a crankshaft, and the crankshaft is rotatably installed in the filter tank. Two symmetrically distributed connecting members are hingedly installed on the crankshaft, and the top of the connecting member is hingedly connected to the lower surface of the corresponding mounting plate, a motor is fixedly installed on one side of the filter tank, and the output end of the motor is fixedly connected to one end of the crankshaft, and a cleaning assembly is installed in the filter tank.

[0006] Preferably, the cleaning assembly includes two scrapers distributed in a mirror image, and the two scrapers are slidably installed on both sides of the filter tank, and reciprocating screws are rotatably installed on both sides of the filter tank. Slide blocks are slidably clamped in the threaded grooves of the two reciprocating screws, and connecting rods are rotatably installed on the two sliders, and the top end of the connecting rod is rotatably connected to the corresponding scraper.

[0007] Preferably, a drive shaft is rotatably installed on one side of the filter tank, bevel gears are fixedly installed on both ends of the drive shaft and one end of two reciprocating screws, and two adjacent bevel gears are meshed, a worm is rotatably installed on one side of the filter tank, one end of the worm and the output end of the motor are sleeved with belts, a worm wheel is fixedly installed on the drive shaft, and the worm wheel is meshed with the worm.

[0008] Preferably, a plurality of air pipes and water pipes are fixedly installed in the bottom plate of the filter tank and are distributed crosswise. Nozzles are fixedly installed on the plurality of air pipes and water pipes, and the nozzles are connected to the interior of the corresponding air pipes and water pipes.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, by setting a driving component, while using the air pipe and the water pipe to backwash the filter device in the filter tank, the driving component is used to drive the mounting plate and the fixed frame to slide up and down, so that the filter materials in the fixed frame rub against each other and shake, and the impurities adhered to the surface of the filter materials are separated, thereby achieving the purpose of backwashing the filter device. The filter materials will hit the filter plate while shaking, and the impurities stuck in the mesh of the filter plate can be shaken out, so as to prevent the mesh of the filter plate from being blocked and affecting the filtering effect;

[0011] 2. In the utility model, by providing a cleaning component, while backwashing the filter device in the filter tank, the driving component is used to drive the cleaning component to scrape off the impurities adhering to the inner walls on both sides of the filter tank, so as to clean the inner wall of the filter tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter tank of the utility model;

[0016] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0017] Figure 5 It is a schematic diagram of the internal structure of the fixed frame of the utility model.

[0018] In the figure: 1. filter tank; 2. fixing frame; 3. filter plate; 4. cleaning assembly; 41. scraper; 42. drive shaft; 43. bevel gear; 44. worm gear; 45. worm; 46. reciprocating screw; 461. slider; 462. connecting rod; 5. drive assembly; 51. motor; 52. belt; 53. crankshaft; 54. connecting piece; 6. mounting plate; 7. air pipe; 71. nozzle; 8. water pipe; 9. filter material. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-5 As shown, the utility model provides a V-shaped filter tank precision backwashing device, including a filter tank 1, two symmetrically distributed mounting plates 6 are slidably mounted in the filter tank 1, a fixed frame 2 is detachably mounted on the two mounting plates 6, filter plates 3 are detachably mounted on the upper and lower ends of the fixed frame 2, and filter material 9 is filled in the fixed frame 2, a driving component 5 is installed in the filter tank 1, the driving component 5 includes a crankshaft 53, and the crankshaft 53 is rotatably mounted in the filter tank 1, two symmetrically distributed connecting members 54 are hingedly mounted on the crankshaft 53, and the top of the connecting member 54 is hingedly connected to the lower surface of the corresponding mounting plate 6, a motor 51 is fixedly mounted on one side of the filter tank 1, and the motor 5 The output end of 1 is fixedly connected to one end of the crankshaft 53. A cleaning component 4 is installed in the filter tank 1. The filter plate 3 and the filter material 9 in the fixed frame 2 are used to filter the water source. When the filter tank 1 is backwashed, the motor 51 is used to drive the crankshaft 53 to rotate. The crankshaft 53 drives the mounting plate 6 and the fixed frame 2 to slide up and down through the connecting piece 54, so that the filter material 9 in the fixed frame 2 rubs and shakes against each other, and the impurities adhered to the surface of the filter material 9 are separated, thereby achieving the purpose of backwashing the filter device. The filter material 9 will hit the filter plate 3 while shaking, and the impurities stuck in the mesh of the filter plate 3 can be shaken out to prevent the mesh of the filter plate 3 from being blocked and affecting the filtering effect.

[0021] The cleaning assembly 4 includes two scrapers 41 that are distributed in a mirror image, and the two scrapers 41 are slidably mounted on both sides of the filter tank 1 .

[0022] By adopting the above technical solution, the scraper 41 is used to scrape off the impurities adhering to the inner walls on both sides of the filter tank 1.

[0023] Reciprocating screws 46 are rotatably installed in both sides of the filter tank 1, and sliders 461 are slidably clamped in the thread grooves of the two reciprocating screws 46. Connecting rods 462 are rotatably installed on the two sliders 461, and the top ends of the connecting rods 462 are rotatably connected to the corresponding scrapers 41.

[0024] By adopting the above technical solution, the reciprocating screw 46 rotates to make the slider 461 drive the connecting rod 462 to slide back and forth in its thread groove, and the connecting rod 462 drives the scraper 41 to slide back and forth along the inner wall of the filter tank 1.

[0025] A driving shaft 42 is rotatably mounted on one side of the filter tank 1 , and bevel gears 43 are fixedly mounted on both ends of the driving shaft 42 and one end of two reciprocating screw rods 46 , and two adjacent bevel gears 43 are meshed.

[0026] By adopting the above technical solution, the driving shaft 42 drives the reciprocating screw 46 to rotate through the bevel gear 43.

[0027] A worm 45 is rotatably mounted on one side of the filter tank 1 , and a belt 52 is sleeved between one end of the worm 45 and the output end of the motor 51 .

[0028] By adopting the above technical solution, the motor 51 drives the worm 45 to rotate through the belt 52.

[0029] A worm gear 44 is fixedly mounted on the driving shaft 42 , and the worm gear 44 is meshed with a worm 45 .

[0030] By adopting the above technical solution, the worm 45 drives the worm wheel 44 to rotate, and the worm wheel 44 drives the driving shaft 42 to rotate.

[0031] A plurality of air pipes 7 and water pipes 8 are fixedly installed in the bottom plate of the filter tank 1 and are distributed equidistantly, and the air pipes 7 and water pipes 8 are distributed crosswise.

[0032] By adopting the above technical solution, the filter tank 1 is backwashed using the air pipe 7 and the water pipe 8 .

[0033] A nozzle 71 is fixedly mounted on each of the plurality of air pipes 7 and water pipes 8 , and the nozzle 71 is communicated with the interior of the corresponding air pipe 7 and water pipe 8 .

[0034] By adopting the above technical solution, the gas in the gas pipe 7 and the clean water in the water pipe 8 are sprayed out through the nozzle 71 to backwash the filter device in the filter tank 1.

[0035] Working principle: When the utility model is in use, the gas in the air pipe 7 and the clean water in the water pipe 8 are sprayed out through the nozzle 71 to backwash the filter device in the filter tank 1. At the same time, the motor 51 is used to drive the crankshaft 53 to rotate. The crankshaft 53 drives the mounting plate 6 and the fixed frame 2 to slide up and down through the connecting piece 54, so that the filter material 9 in the fixed frame 2 rubs and shakes against each other, and the impurities adhered to the surface of the filter material 9 are separated, thereby achieving the purpose of backwashing the filter device. The filter material 9 will hit the filter plate 3 while shaking, and the impurities stuck in the mesh of the filter plate 3 can be shaken out to prevent the mesh of the filter plate 3 from being blocked and affecting the filtering effect.

[0036] While backwashing the filter tank 1, the motor 51 drives the worm 45 to rotate through the belt 52, the worm 45 drives the worm wheel 44 to rotate, the worm wheel 44 drives the drive shaft 42 to rotate, the drive shaft 42 drives the reciprocating screw 46 to rotate through the bevel gear 43, the reciprocating screw 46 rotates to make the slider 461 drive the connecting rod 462 to slide back and forth in its threaded groove, the connecting rod 462 drives the scraper 41 to slide back and forth along the inner wall of the filter tank 1, and the scraper 41 is used to scrape off the impurities adhering to the inner walls on both sides of the filter tank 1.

[0037] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A V-type filter tank precision backwashing device, comprising a filter tank (1), characterized in that: Two symmetrically distributed mounting plates (6) are slidably mounted in the filter tank (1); a fixing frame (2) is detachably mounted on the two mounting plates (6); filter plates (3) are detachably mounted on the upper and lower ends of the fixing frame (2); filter material (9) is filled in the fixing frame (2); a driving assembly (5) is mounted in the filter tank (1); the driving assembly (5) comprises a crankshaft (53); and the crankshaft (53) is rotatably mounted in the filter tank (1); two symmetrically distributed connecting members (54) are hingedly mounted on the crankshaft (53); and the top ends of the connecting members (54) are hingedly connected to the lower surfaces of the corresponding mounting plates (6); a motor (51) is fixedly mounted on one side of the filter tank (1); and the output end of the motor (51) is fixedly connected to one end of the crankshaft (53); and a cleaning assembly (4) is mounted in the filter tank (1).

2. A V-type filter tank precision backwashing device as claimed in claim 1, characterized in that: The cleaning assembly (4) comprises two scrapers (41) distributed in a mirror image, and the two scrapers (41) are respectively slidably mounted on two sides of the filter tank (1).

3. A V-type filter tank precision backwashing device as claimed in claim 1, characterized in that: A reciprocating screw rod (46) is rotatably mounted in both sides of the filter tank (1), a slider (461) is slidably mounted in the thread grooves of the two reciprocating screw rods (46), a connecting rod (462) is rotatably mounted on the two sliders (461), and the top end of the connecting rod (462) is rotatably connected to the corresponding scraper (41).

4. A V-type filter tank precision backwashing device as claimed in claim 1, characterized in that: A drive shaft (42) is rotatably mounted on one side of the filter tank (1), and bevel gears (43) are fixedly mounted on both ends of the drive shaft (42) and one end of two reciprocating screw rods (46), and two adjacent bevel gears (43) are meshed.

5. A V-type filter tank precision backwashing device as claimed in claim 1, characterized in that: A worm (45) is rotatably mounted on one side of the filter tank (1), and a belt (52) is sleeved between one end of the worm (45) and the output end of the motor (51).

6. A V-type filter tank precision backwashing device as claimed in claim 4, characterized in that: A worm wheel (44) is fixedly mounted on the driving shaft (42), and the worm wheel (44) is meshed with the worm (45).

7. A V-type filter tank precision backwashing device as claimed in claim 1, characterized in that: A plurality of air pipes (7) and water pipes (8) are fixedly installed in the bottom plate of the filter tank (1) and are distributed at equal intervals, and the air pipes (7) and water pipes (8) are distributed crosswise.

8. A V-type filter tank precision backwashing device as claimed in claim 7, characterized in that: A nozzle (71) is fixedly mounted on each of the plurality of air pipes (7) and water pipes (8), and the nozzle (71) is in communication with the interior of the corresponding air pipe (7) and water pipe (8).

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