A filter device for farmland water conservancy irrigation

Abstract

The utility model discloses a filter device for farmland water conservancy irrigation relates to filter device technical field. The upper side wall of filter outer tube is fixedly connected with the water inlet pipe, and the inner side wall of filter outer tube is fixedly connected with the filter plate, and the lower end of filter outer tube is rotatably connected with filter inner tube, and a plurality of filter laminations are arranged in filter inner tube, the filter lamination is sleeved on the lead-out pipe, and a plurality of water holes are formed in the lateral wall of lead-out pipe. When the river water is introduced into the filter outer tube through the water inlet pipe, it passes through the filter plate, the filter inner tube and the filter lamination in turn, the efficient multilayer filter structure is arranged, and the farmland irrigation water quality is effectively improved. The setting of blow-off pipe no. The selective connection of the blow-off pipe no. 1, the blow-off pipe no. 2 and the irrigation outlet pipe can output irrigation water of different filtering degrees, and can meet different irrigation water demand.

Description

Technical Field

[0001] This utility model relates to the field of filtration device technology, and in particular to a filtration device for farmland irrigation. Background Technology

[0002] As an essential infrastructure for agricultural production, irrigation systems deliver water to farmland through water transport networks such as canals and pipelines. Unfiltered river water contains large particles of sand and silt, which often clogs irrigation equipment, making it difficult to clean and affecting irrigation operations; at the same time, silt deposition leads to soil compaction.

[0003] Therefore, this application proposes a filtration device for farmland irrigation to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a filtration device for farmland irrigation, which solves the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a filtration device for farmland irrigation, comprising an outer filter cylinder, an inlet pipe fixedly connected to the upper side wall of the outer filter cylinder, a filter plate fixedly connected to the inner side wall of the outer filter cylinder, an inner filter cylinder rotatably connected to the lower end of the outer filter cylinder, an outlet pipe disposed below the outer filter cylinder, the upper end of the outlet pipe passing through the lower side wall of the outer filter cylinder and extending upward, a plurality of filter discs disposed inside the inner filter cylinder, the filter discs being sleeved on the outlet pipe, a compression end cap threadedly connected to the upper end of the outlet pipe, a plurality of water passage holes being opened on the side wall of the outlet pipe, the water passage holes being located inside the outer filter cylinder, a water purification cylinder and a water pump disposed outside the outer filter cylinder, the input end of the water pump being connected to the end of the outlet pipe away from the outer filter cylinder, the output end of the water pump being connected to the water purification cylinder, and an irrigation outlet pipe being connected to the side wall of the water purification cylinder.

[0006] Preferably, a flushing water pump is fixedly connected to the upper end of the water purification cylinder, and a water pump is connected to the input end of the flushing water pump. The end of the water pump away from the flushing water pump passes through the upper side wall of the water purification cylinder and extends downward. A flushing pipe is fixedly connected to the output end of the flushing water pump. The flushing pipe is connected to the outlet pipe. A solenoid valve one is installed on the flushing pipe, and a solenoid valve two is installed on the outlet pipe. The solenoid valve two is located between the connection of the water pump, the flushing pipe, and the outlet pipe.

[0007] Preferably, the lower end of the outer filter cylinder is fixedly connected to a first drain pipe and a second drain pipe. Both the first drain pipe and the second drain pipe are connected to the outer filter cylinder. The connection point of the first drain pipe to the outer filter cylinder is located on the outside of the inner filter cylinder, and the connection point of the second drain pipe to the outer filter cylinder is located on the inside of the inner filter cylinder. The first drain pipe and the second drain pipe are respectively equipped with a first drain valve and a second drain valve.

[0008] Preferably, a rotary motor is fixedly connected to the upper end of the outer filter cylinder, the output end of the rotary motor passes through the upper side wall of the outer filter cylinder and is fixedly connected to a rotating rod, and the lower end of the rotating rod passes through the filter plate and is fixedly connected to the upper end of the inner filter cylinder.

[0009] Preferably, two cleaning brushes are fixedly connected to the side wall of the rotating rod. The two cleaning brushes are located on the upper and lower sides of the filter plate, respectively. A fixing frame is fixedly connected to the inner side wall of the filter outer cylinder. A cleaning brush is fixedly connected to the end of the fixing frame near the filter inner cylinder. The end of the cleaning brush away from the fixing frame abuts against the outer side wall of the filter inner cylinder.

[0010] Preferably, the upper side wall of the filter outer cylinder is provided with a cleaning port, and a sealing cap is provided at the cleaning port.

[0011] Compared with related technologies, the filtration device for farmland irrigation provided by this utility model has the following beneficial effects: 1. This utility model provides a filtration device for farmland irrigation. The device has a filter plate, an inner filter cylinder, and filter discs arranged inside the outer filter cylinder. When river water is introduced into the outer filter cylinder through the inlet pipe, it passes through the filter plate, inner filter cylinder, and filter discs in sequence. This highly efficient multi-layer filtration structure effectively improves the quality of farmland irrigation water. The two drain pipes (one and two) allow for drainage during equipment cleaning. During irrigation, the irrigation pipe can be selectively connected to drain pipes one and two, and the irrigation outlet pipe, thereby outputting irrigation water with different levels of filtration to meet diverse irrigation water needs.

[0012] 2. This utility model provides a filtration device for farmland irrigation. The device has a water purification cylinder on the outside, which can collect and temporarily store the filtered water. During backwashing, the water is pumped out by a flushing water pump and a water pipe, and introduced into the outlet pipe through the flushing pipe. Then, the filter discs are backwashed through the water passage. With the help of sewage pipe one and sewage pipe two, the sewage can be discharged.

[0013] 3. This utility model provides a filtration device for farmland irrigation. The device has two cleaning brushes on the upper and lower sides of the filter plate and one cleaning brush on the outside of the filter inner cylinder. When cleaning the filter plate and the filter inner cylinder, a rotary motor drives the rotating rod and the filter inner cylinder to rotate, which in turn drives the two cleaning brushes to rotate, thereby cleaning the filter inner cylinder and the filter plate and removing attached impurities. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2This is a three-dimensional cross-sectional structural diagram of the filter cartridge of this utility model. Figure 3 for Figure 2 Enlarged view of a portion of point A in the middle; Figure 4 This is a three-dimensional cross-sectional structural diagram of the water purification cylinder of this utility model; Figure 5 This is a three-dimensional structural schematic diagram of the filter cartridge position cross-section from another angle of the present invention; Figure 6 for Figure 5 Enlarged view of section B in the middle.

[0015] In the diagram: 1. Outer filter cylinder; 2. Cleaning port; 3. Sealing cap; 4. Water inlet pipe; 5. Filter plate; 6. Inner filter cylinder; 7. Outlet pipe; 8. Filter discs; 9. Pressing end cap; 10. Water passage hole; 11. Clean water cylinder; 12. Irrigation outlet pipe; 13. Flushing water pump; 14. Pumping pipe; 15. Flushing pipe; 16. Pumping pump; 17. Solenoid valve one; 18. Solenoid valve two; 19. Sewage pipe one; 20. Sewage valve one; 21. Sewage pipe two; 22. Sewage valve two; 23. Rotary motor; 24. Rotating rod; 25. Fixing frame; 26. Cleaning brush one; 27. Cleaning brush two. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-6This utility model provides a technical solution: a filtration device for farmland irrigation, including an outer filter cylinder 1, an inlet pipe 4 fixedly connected to the upper side wall of the outer filter cylinder 1, a filter plate 5 fixedly connected to the inner side wall of the outer filter cylinder 1, an inner filter cylinder 6 rotatably connected to the lower end of the outer filter cylinder 1, an outlet pipe 7 disposed below the outer filter cylinder 1, the upper end of the outlet pipe 7 passing through the lower side wall of the outer filter cylinder 1 and extending upward, a plurality of filter discs 8 disposed inside the inner filter cylinder 6, the filter discs 8 being sleeved on the outlet pipe 7, a pressing end cap 9 threadedly connected to the upper end of the outlet pipe 7, a plurality of water passage holes 10 opened on the side wall of the outlet pipe 7, the water passage holes 10 being located inside the outer filter cylinder 1, a water purification cylinder 11 and a water pump 16 disposed outside the outer filter cylinder 1, the water pump 16 The input end is connected to the end of the outlet pipe 7 away from the outer filter cylinder 1. The output end of the water pump 16 is connected to the water purification cylinder 11. The side wall of the water purification cylinder 11 is connected to the irrigation outlet pipe 12. When in use, close the solenoid valve 17, the drain valve 20 and the drain valve 22. The river water is introduced into the outer filter cylinder 1 through the inlet pipe 4 by the water pumping equipment. After the river water is filtered by the filter plate 5 and the inner filter cylinder 6, it enters the outer side of the filter disc 8. Under the action of the water pump 16, a negative pressure is formed in the outlet pipe 7. Under the action of the negative pressure, the water outside the filter disc 8 is filtered by the filter disc 8 and enters the outlet pipe 7 through the water pipe. Under the action of the water pump 16, it is introduced into the water purification cylinder 11. Connect the irrigation pipe to the irrigation outlet pipe 12, and the purified water can be used for irrigation. A flushing water pump 13 is fixedly connected to the upper end of the water purification cylinder 11. A water pumping pipe 14 is connected to the input end of the flushing water pump 13. The end of the water pumping pipe 14 away from the flushing water pump 13 passes through the upper side wall of the water purification cylinder 11 and extends downward. A flushing pipe 15 is fixedly connected to the output end of the flushing water pump 13. The flushing pipe 15 is connected to the outlet pipe 7. A solenoid valve 17 is installed on the flushing pipe 15. A solenoid valve 28 is installed on the outlet pipe 7. The solenoid valve 28 is located between the connection of the water pump 16, the flushing pipe 15 and the outlet pipe 7. During reverse flushing, the solenoid valve 28 is closed and the solenoid valve 17, the drain valve 10 and the drain valve 22 are opened. Water is pumped out by the flushing water pump 13 and the water pumping pipe 14 and introduced into the outlet pipe 7 through the flushing pipe 15. The filter discs 8 are then reverse flushed through the water passage 10. With the help of the drain pipe 19 and the drain pipe 21, the sewage can be discharged. The lower end of the outer filter cylinder 1 is fixedly connected to a first drain pipe 19 and a second drain pipe 21. Both the first drain pipe 19 and the second drain pipe 21 are connected to the outer filter cylinder 1. The connection point between the first drain pipe 19 and the outer filter cylinder 1 is located on the outside of the inner filter cylinder 6, and the connection point between the second drain pipe 21 and the outer filter cylinder 1 is located on the inside of the inner filter cylinder 6. The first drain pipe 19 and the second drain pipe 21 are respectively equipped with a first drain valve 20 and a second drain valve 22. During irrigation, the first drain pipe 19, the second drain pipe 21 and the irrigation outlet pipe 12 respectively output water with different degrees of filtration. The irrigation pipe is selectively connected to the first drain pipe 19, the second drain pipe 21 and the irrigation outlet pipe 12, so that irrigation water with different degrees of filtration can be output, thereby meeting the irrigation water needs of different crops. A rotary motor 23 is fixedly connected to the upper end of the outer filter cylinder 1. The output end of the rotary motor 23 passes through the upper side wall of the outer filter cylinder 1 and is fixedly connected to a rotating rod 24. The lower end of the rotating rod 24 passes through the filter plate 5 and is fixedly connected to the upper end of the inner filter cylinder 6. Two cleaning brushes 27 are fixedly connected to the side wall of the rotating rod 24. The two cleaning brushes 27 are located on the upper and lower sides of the filter plate 5 respectively. A fixing frame 25 is fixedly connected to the inner wall of the outer filter cylinder 1. A cleaning brush 26 is fixedly connected to the end of the fixing frame 25 near the inner filter cylinder 6. The end of the cleaning brush 26 away from the fixing frame 25 abuts against the outer wall of the inner filter cylinder 6. The rotating rod 24 and the inner filter cylinder 6 are rotated by the rotating motor 23, which in turn drives the cleaning brushes 27 to rotate, thereby cleaning the inner filter cylinder 6 and the filter plate 5 and removing attached impurities. A cleaning port 2 is provided on the upper side wall of the outer filter cylinder 1, and a sealing cover 3 is provided at the cleaning port 2. The cleaning port 2 facilitates the cleaning of impurities temporarily retained on the upper end of the filter plate 5.

[0018] Working principle: In use, close solenoid valve 17, drain valve 20, and drain valve 22. River water is drawn into the outer filter cylinder 1 through the inlet pipe 4 using a pumping device. After being filtered by the filter plate 5 and inner filter cylinder 6, the river water enters the outer side of the filter discs 8. Under the action of the pump 16, a negative pressure is formed in the outlet pipe 7. Under this negative pressure, the water outside the filter discs 8 is filtered through the filter discs 8 and enters the outlet pipe 7 through the water pipe. Under the action of the pump 16, it is then introduced into the purified water cylinder 11. Connecting the irrigation pipe to the irrigation outlet pipe 12 allows the purified water to be used for irrigation. The irrigation pipe can also be connected to sewage pipe 19 and sewage pipe 21 to output irrigation water with different filtration levels, thereby meeting different irrigation water needs. A flushing water pump 13 is installed on the outside of the water purification cylinder 11. During backwashing, solenoid valve 218 is closed, and solenoid valve 17, sewage valve 10 and sewage valve 22 are opened. The flushing water pump 13 and the water suction pipe 14 draw water out and introduce it into the outlet pipe 7 through the flushing pipe 15. Then, the filter discs 8 are backwashed through the water passage 10, and sewage can be discharged in conjunction with sewage pipe 19 and sewage pipe 21. Cleaning brushes 27 are installed on the upper and lower sides of the filter plate 5, and cleaning brushes 26 are installed on the outside of the filter inner cylinder 6. When cleaning the filter plate 5 and the filter inner cylinder 6, the rotary motor 23 drives the rotating rod 24 and the filter inner cylinder 6 to rotate, and drives the cleaning brushes 27 to rotate, thereby cleaning the filter inner cylinder 6 and the filter plate 5 and removing attached impurities.

[0019] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filtration device for farmland irrigation, comprising a filter outer cylinder (1), characterized in that: A water inlet pipe (4) is fixedly connected to the upper side wall of the outer filter cylinder (1), and a filter plate (5) is fixedly connected to the inner side wall of the outer filter cylinder (1). A filter inner cylinder (6) is rotatably connected to the lower end of the outer filter cylinder (1). An outlet pipe (7) is provided below the outer filter cylinder (1). The upper end of the outlet pipe (7) passes through the lower side wall of the outer filter cylinder (1) and extends upward. Several filter discs (8) are provided inside the filter inner cylinder (6). The filter discs (8) are sleeved on the outlet pipe (7). The upper end of the pipe (7) is threaded with a pressure end cap (9). Several water passage holes (10) are opened on the side wall of the outlet pipe (7). The water passage holes (10) are located inside the filter outer cylinder (1). A water purification cylinder (11) and a water pump (16) are arranged on the outside of the filter outer cylinder (1). The input end of the water pump (16) is connected to the end of the outlet pipe (7) away from the filter outer cylinder (1). The output end of the water pump (16) is connected to the water purification cylinder (11). An irrigation outlet pipe (12) is connected to the side wall of the water purification cylinder (11).

2. The filtration device for farmland irrigation according to claim 1, characterized in that: A flushing water pump (13) is fixedly connected to the upper end of the water purification cylinder (11). A water pump (14) is connected to the input end of the flushing water pump (13). The end of the water pump (14) away from the flushing water pump (13) passes through the upper side wall of the water purification cylinder (11) and extends downward. A flushing pipe (15) is fixedly connected to the output end of the flushing water pump (13). The flushing pipe (15) is connected to the outlet pipe (7). A solenoid valve one (17) is provided on the flushing pipe (15). A solenoid valve two (18) is provided on the outlet pipe (7). The solenoid valve two (18) is located between the connection of the water pump (16), the flushing pipe (15) and the outlet pipe (7).

3. The filtration device for farmland irrigation according to claim 1, characterized in that: The lower end of the filter outer cylinder (1) is fixedly connected to a drain pipe one (19) and a drain pipe two (21). Both the drain pipe one (19) and the drain pipe two (21) are connected to the filter outer cylinder (1). The connection point of the drain pipe one (19) and the filter outer cylinder (1) is located on the outside of the filter inner cylinder (6). The connection point of the drain pipe two (21) and the filter outer cylinder (1) is located on the inside of the filter inner cylinder (6). Drain valve one (20) and drain valve two (22) are respectively provided on the drain pipe one (19) and the drain pipe two (21).

4. A filtration device for farmland irrigation according to claim 1, characterized in that: A rotary motor (23) is fixedly connected to the upper end of the outer filter cylinder (1). The output end of the rotary motor (23) passes through the upper side wall of the outer filter cylinder (1) and is fixedly connected to a rotating rod (24). The lower end of the rotating rod (24) passes through the filter plate (5) and is fixedly connected to the upper end of the inner filter cylinder (6).

5. A filtration device for farmland irrigation according to claim 4, characterized in that: Two cleaning brushes (27) are fixedly connected to the side wall of the rotating rod (24). The two cleaning brushes (27) are located on the upper and lower sides of the filter plate (5) respectively. A fixing frame (25) is fixedly connected to the inner side wall of the filter outer cylinder (1). A cleaning brush (26) is fixedly connected to the end of the fixing frame (25) near the filter inner cylinder (6). The end of the cleaning brush (26) away from the fixing frame (25) abuts against the outer side wall of the filter inner cylinder (6).

6. A filtration device for farmland irrigation according to claim 1, characterized in that: The filter outer cylinder (1) has a cleaning port (2) on its upper side wall, and a sealing cap (3) is provided at the cleaning port (2).

Images