A multi-media filter for groundwater filtration

Abstract

The present invention discloses a multi-media filter for groundwater filtration, which relates to the technical field of wind power hydrogen production. The multi-media filter for groundwater filtration includes a tank body, a maintenance port, a water outlet and a multi-layer porous plate arranged on the multi-media filter body, each layer of the porous plate is provided with a plurality of orifice water caps, and each porous plate is filled with filter medium. The multi-media filter for groundwater filtration can squeeze the groundwater above the filter medium, and at the same time, can control the amount of groundwater in the tank; can automatically detect the blockage of the filter medium and backwash it in time, and at the same time, can backwash each filter medium individually from bottom to top; can reciprocate and vibrate the top of the filter medium to facilitate the separation of impurities, and at the same time, can clean the top of the filter medium to clean and lift up the accumulated impurities, which can improve the efficiency and effect of backwashing, thereby ensuring the efficiency and effect of groundwater filtration.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power hydrogen production, in particular to a multi-media filter for groundwater filtration. Background Art

[0002] Wind power hydrogen production is a technology that uses wind energy to produce hydrogen, aiming to promote energy transition and reduce carbon emissions. Wind power hydrogen production technology mainly involves two key technologies: electricity-to-hydrogen conversion and hydrogen transportation. Its principle is to use electricity generated by wind power to electrolyze water to produce hydrogen and oxygen. To ensure the quality of hydrogen production, groundwater needs to be filtered. The filtration device currently used is mainly a multi-media filter. Multi-media filters use two or more filter media to pass high-turbidity groundwater through a certain thickness of granular or non-granular material, effectively removing suspended impurities and clarifying the water. The principle is that when raw water passes through the filter media from top to bottom, suspended matter in the water is retained by the filter layer surface through interception, sedimentation, diffusion, and hydrodynamic effects. When water flows into the middle of the filter layer, the sand particles in the filter layer are more closely arranged, giving the water particles more opportunities to collide with the sand particles. As a result, flocculants, suspended matter, and sand particles in the water adhere to each other, and impurities in the water are trapped in the filter layer, resulting in clear water quality. After long-term use, the filter needs to be backwashed to flush away loose impurities and ensure the efficiency and effectiveness of the filtration.

[0003] However, when the existing multi-media filter for groundwater filtration is in use, the layered filter media are closely laid on each other and arranged in sequence up and down. During filtration, the groundwater passes through each medium at a slow speed. At the same time, it is not convenient to control the amount of water in the tank, which affects the efficiency and effect of filtration; it is not convenient to detect the blockage of the filter medium, which makes backwashing not timely enough. At the same time, during backwashing, water needs to enter from the bottom of the tank and exit from the side wall of the tank above the topmost filter medium. Clean water needs to pass through each layer of filter medium from bottom to top. At this time, the clean water encounters greater resistance when flowing upward, and the flow rate will gradually decrease, thereby affecting the efficiency and effect of backwashing. In addition, impurities are easy to adhere to the surface of the filter medium, which will also affect the efficiency and effect of backwashing, and thus affect the efficiency and effect of groundwater filtration. Summary of the Invention

[0004] The object of the present invention is to provide a multi-media filter for groundwater filtration to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a multi-media filter for groundwater filtration, comprising a tank body, a maintenance port, a water outlet, and multiple layers of porous plates arranged on a multi-media filter body, each layer of the porous plates being provided with multiple perforated plate water caps, and each porous plate being filled with filter medium, the multi-media filter for groundwater filtration further comprising:

[0006] A flow rate sensor is fixedly inserted into the side wall of the water outlet and is used to detect the flow rate of the filtered water;

[0007] An extrusion mechanism is provided above the tank body, and an extrusion plate is connected to the extrusion mechanism, and the extrusion mechanism is used to drive the extrusion plate to squeeze the groundwater in the tank body;

[0008] a water supply mechanism, arranged on the side wall of the tank body, for supplying groundwater into the tank body;

[0009] A plurality of backwash mechanisms are provided on the side wall of the tank body and are arranged at equal intervals in the vertical direction, for backwashing each layer of filter medium;

[0010] A plurality of vibration mechanisms are provided between two adjacent porous plates and above the filter medium, and are used to vibrate each layer of filter medium;

[0011] Each of the backwash mechanisms comprises:

[0012] A water inlet pipe is fixedly inserted into the side wall of the tank body and the outlet of the water inlet pipe is located below the porous plate;

[0013] A water outlet pipe is fixedly inserted into the side wall of the tank body and the inlet of the water outlet pipe is located above the filter medium;

[0014] An opening and closing mechanism is provided on the side wall of each of the water inlet pipe and the water outlet pipe, and is used to control the opening and closing of the water inlet pipe and the water outlet pipe;

[0015] A water inlet assembly, provided at the inlet of the water inlet pipe, for supplying water to the water inlet pipe;

[0016] The water outlet assembly is arranged at the outlet of the water outlet pipe and is used to discharge the water after backwashing.

[0017] Preferably, the extrusion mechanism includes:

[0018] A fixed cylinder, fixedly inserted above the tank body;

[0019] A sliding plate slides in the fixed cylinder and is fixed to the top of the extrusion plate through a connecting rod;

[0020] a counterweight plate, inserted into the fixed cylinder and located above the sliding plate;

[0021] The distance sensor is fixed to the inner wall of the fixing cylinder through a first connecting block.

[0022] Preferably, each of the vibration mechanisms comprises:

[0023] A fixing frame, fixed to the inner wall of the tank;

[0024] A rotating plate rotates on the bottom of the fixing frame via a rotating shaft;

[0025] A telescopic mechanism is provided below the rotating plate, and a U-shaped plate is connected to the telescopic mechanism, and the telescopic mechanism is used to lift and move the U-shaped plate;

[0026] A rotating roller is rotated on two opposite side walls of the U-shaped plate through a first rotating rod, and the side walls of the rotating roller are fixedly connected with a plurality of convex strips;

[0027] A driving mechanism, disposed on a side wall of the water outlet pipe, for driving the rotating shaft to rotate;

[0028] The cleaning mechanism is arranged below the rotating plate and is used for cleaning impurities on the top of the filter medium.

[0029] Preferably, the cleaning mechanism includes:

[0030] A moving mechanism is provided below the rotating plate, and an L-shaped plate is connected to the moving mechanism, and the moving mechanism is used to reciprocate the L-shaped plate;

[0031] A plurality of rubber brushes are fixed to the bottom of the L-shaped plate and arranged at equal intervals.

[0032] Preferably, the driving mechanism includes:

[0033] A fixed box, fixedly inserted into the side wall of the water outlet pipe and communicated with the water outlet pipe;

[0034] A second rotating rod is rotatably connected to the top of the fixed box, and the lower end of the second rotating rod passes through the bottom of the fixed box;

[0035] A plurality of push plates are inserted into the fixed box and fixed to the side wall of the second rotating rod;

[0036] a driving pulley fixed to the lower end of the second rotating rod;

[0037] A driven pulley, fixedly sleeved on the side wall of the rotating shaft;

[0038] The belt is inserted into the side wall of the tank body and sleeved on the side walls of the driving pulley and the driven pulley.

[0039] Preferably, the telescopic mechanism includes:

[0040] Two sleeve rods fixed to the top of the U-shaped plate;

[0041] Two sleeves are sleeved on the side walls of the sleeve rod, and the upper ends of the sleeves are fixed to the bottom of the rotating plate;

[0042] Two first elastic members are sleeved on the two sleeve rods and the side walls of the sleeve, and the first elastic members are located between the U-shaped plate and the rotating plate. The first elastic member can be a spring, and the two ends of the first elastic member are respectively fixed to the U-shaped plate and the rotating plate.

[0043] Preferably, the moving mechanism includes:

[0044] two T-shaped guide rods fixed to the side walls of the L-shaped plate;

[0045] a second connecting block, sleeved on the side walls of the two T-shaped guide rods and fixed to the bottom of the rotating plate;

[0046] Two second elastic members are sleeved on the side walls of the two T-shaped guide rods, and the second elastic members are located between the second connecting block and the L-shaped plate. The second elastic members can be springs, and the two ends of the second elastic members are respectively fixed to the second connecting block and the L-shaped plate;

[0047] An inclined plate fixed to the side wall of the L-shaped plate;

[0048] The push rod is fixed to the side wall of the U-shaped plate so that the push rod can slide on the side wall of the inclined plate.

[0049] Preferably, the opening and closing mechanism includes:

[0050] A fixed cover, fixedly inserted and connected to the side walls of the water inlet pipe and the water outlet pipe;

[0051] A sliding block is slidably connected to the fixed cover, and a circular hole is opened on the side wall of the sliding block;

[0052] a plurality of third elastic members, located between the fixed cover and the sliding block, wherein the third elastic members may be springs, and two ends of the third elastic members are respectively fixed to the fixed cover and the side wall of the sliding block;

[0053] The pushing mechanism is arranged on the side wall of the tank body and is used for pushing the sliding block to move.

[0054] Preferably, the pushing mechanism includes:

[0055] A lifting module is fixed to the side wall of the tank through a support plate, and the lifting module is connected to the movable plate;

[0056] An L-shaped block, fixed to the side wall of the movable plate and having two first inclined surfaces at one end close to the sliding block;

[0057] The pushing block is fixed to the side wall of the L-shaped block and is provided with two second inclined surfaces at one end close to the sliding block.

[0058] Preferably, the water supply mechanism includes:

[0059] an annular tube, sleeved on the side wall of the tank body and connected to the interior of the tank body through a plurality of first connecting tubes;

[0060] The first solenoid valve is connected to the annular pipe through a second connecting pipe.

[0061] Preferably, the water inlet assembly includes:

[0062] The second solenoid valve is connected to the end of the water inlet pipe away from the tank body through a third connecting pipe.

[0063] Preferably, the water outlet assembly includes:

[0064] The third solenoid valve is connected to the end of the water outlet pipe away from the tank body through a fourth connecting pipe.

[0065] Compared with the prior art, the present invention has the following beneficial effects:

[0066] (1) This multi-media filter for groundwater filtration is provided with a water supply mechanism and an extrusion mechanism. When the groundwater needs to be filtered, the first solenoid valve is opened, so that the groundwater enters the tank through the second connecting pipe, and is filtered through the multi-layer filter medium and then discharged through the water outlet. At the same time, during the filtration process, under the action of the counterweight plate, the sliding plate and the connecting rod can be pushed downward, and then the extrusion plate can be pushed to squeeze the groundwater above the filter medium. Moreover, when the flow rate of the groundwater entering the tank is large, the extrusion plate can be pushed upward. At the same time, the counterweight plate is driven to move upward by the connecting rod and the sliding plate. When the distance sensor detects that the distance to the counterweight plate is close, the first solenoid valve is closed and the water supply operation is stopped. This can control the amount of groundwater in the tank and improve the efficiency and effect of filtration.

[0067] (2) This type of multi-media filter for groundwater filtration is provided with a backwash mechanism, a plurality of porous plates and filter media, and a spacing is left between two adjacent porous plates. In addition, a backwash mechanism is provided between two adjacent porous plates. When the flow rate sensor detects that the water outlet speed is slow, it means that there are more impurities filtered in the filter medium, and automatic detection is achieved, and backwashing is performed in time. At this time, a backwash operation is required, and the second solenoid valve and the third solenoid valve are opened so that the external clean water can enter the water inlet pipe through the second solenoid valve and the third connecting pipe. Then, the movable plate is driven upward by the lifting module, and the L-shaped block and the pushing block are driven upward. When the first inclined surface and the second inclined surface are respectively against the side walls of the two sliding blocks at the bottom, the sliding block can be pushed to slide into the fixed cover, so that the circular hole coincides with the water inlet pipe and the water outlet pipe. At the same time, the third elastic member is compressed. At this time, the opening and closing When the filter element is clean, the L-shaped block and the pushing block can be driven by the lifting module to continue to move upward. When the lifting module passes the sliding block, the sliding block can move and reset under the action of the third elastic member, so that the circular hole is staggered with the outlet pipe and the inlet pipe. At this time, the opening and closing mechanism at the bottom is closed. Similarly, the opening and closing mechanism above is opened, that is, the backwash mechanism above is worked. This reciprocating process can backwash each filter medium individually from bottom to top. At the same time, the water after each backwash is directly discharged through the outlet pipe, which can improve the backwash efficiency and quality of each layer of filter medium, thereby ensuring the efficiency and effect of groundwater filtration.

[0068] (3) This multi-media filter for groundwater filtration is provided with a vibration mechanism and a cleaning mechanism. When backwashing is performed, the cleaned water is discharged through the outlet pipe and can enter the fixed box and impact the surface of the push plate, thereby pushing the push plate and the second rotating rod to rotate. When the second rotating rod rotates, it can drive the active pulley to rotate, and drive the driven pulley to rotate through the belt, thereby driving the rotating shaft and the rotating plate to rotate. When the rotating plate rotates, it can drive the U-shaped plate and the rotating roller to rotate through the telescopic mechanism, so that the rotating roller can roll on the top of the filter medium. When the convex strip contacts the top of the filter medium, it can push the rotating roller and the U-shaped plate to move upward. At the same time, the first elastic member is compressed. When the convex strip passes over the top of the filter medium, the U-shaped plate and the rotating roller can rotate on the first elastic member. The L-shaped plate is moved back and forth by the second elastic member, and the L-shaped plate is moved back and forth by the second elastic member, so that the L-shaped plate can be moved back and forth and the rubber brush can be moved back and forth, so that the rubber brush can clean and lift up the impurities accumulated on the top of the filter medium, thereby facilitating the discharge of impurities along with the water flow, thereby improving the efficiency and effect of backwashing. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0070] Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective;

[0071] Figure 3 It is a partial cross-sectional structural schematic diagram of the present invention;

[0072] Figure 4 It is a partial cross-sectional structural schematic diagram of the tank body in the present invention;

[0073] Figure 5 Schematic diagram of the structure of the vibration mechanism and the cleaning mechanism of the present invention;

[0074] Figure 6 for Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0075] Figure 7 for Figure 3 Schematic diagram of the enlarged structure at B in the middle;

[0076] Figure 8 for Figure 3 Schematic diagram of the enlarged structure at C in the middle;

[0077] Figure 9 for Figure 3 Schematic diagram of the enlarged structure at D in the middle;

[0078] Figure 10 for Figure 4 Schematic diagram of the enlarged structure at E in the middle;

[0079] Figure 11 for Figure 5 Schematic diagram of the enlarged structure at F in the middle;

[0080] Figure 12 for Figure 10 Schematic diagram of the enlarged structure at G in the middle.

[0081] In the figure: 101, tank body; 102, maintenance port; 103, water outlet; 104, porous plate; 105, orifice plate water cap; 106, filter medium; 201, fixed frame; 202, rotating shaft; 203, rotating plate; 204, U-shaped plate; 205, first rotating rod; 206, rotating roller; 207, convex strip; 301, fixed cylinder; 302, counterweight plate; 303, first connecting block; 304, distance sensor; 305, connecting rod; 306, sliding plate; 401, L-shaped plate; 402, rubber brush; 501, driven pulley; 502, fixed box; 503, second rotating rod; 504, push plate; 505, driving pulley; 506, belt; 601, sleeve; 602, sleeve rod; 603, first elastic member; 701 , T-shaped guide rod; 702, second connecting block; 703, second elastic member; 704, inclined plate; 705, push rod; 801, fixed cover; 802, sliding block; 803, circular hole; 804, third elastic member; 901, annular tube; 902, first connecting tube; 903, second connecting tube; 904, first solenoid valve; 1001, lifting module; 1002, support plate; 1003, movable plate; 1004, L-shaped block; 1005, first inclined plane; 1006, push block; 1007, second inclined plane; 11, extrusion plate; 12, flow rate sensor; 1301, water inlet pipe; 1302, third connecting pipe; 1303, second solenoid valve; 1304, water outlet pipe; 1305, fourth connecting pipe; 1306, third solenoid valve. DETAILED DESCRIPTION

[0082] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0083] See also Figures 1-12 The present invention provides a multi-media filter for groundwater filtration, comprising a tank body 101, a maintenance port 102, a water outlet 103, and multiple layers of porous plates 104 arranged on the multi-media filter body, each layer of the porous plates 104 being provided with multiple perforated plate water caps 105, and each porous plate 104 being filled with a filter medium 106. The multi-media filter for groundwater filtration further comprises:

[0084] The flow rate sensor 12 is fixedly inserted into the side wall of the water outlet 103 and is used to detect the flow rate of the filtered water.

[0085] The squeezing mechanism is arranged above the tank body 101 , and the squeezing mechanism is connected to the squeezing disc 11 . The squeezing mechanism is used to drive the squeezing disc 11 to squeeze the groundwater in the tank body 101 .

[0086] The water supply mechanism is provided on the side wall of the tank body 101 and is used to supply groundwater into the tank body 101 .

[0087] A plurality of backwash mechanisms are provided on the side wall of the tank body 101 and are arranged at equal intervals in the vertical direction, for backwashing each layer of the filter medium 106 .

[0088] A plurality of vibration mechanisms are disposed between two adjacent porous plates 104 and above the filter medium 106 , and are used to vibrate each layer of the filter medium 106 .

[0089] Each backwash mechanism includes:

[0090] The water inlet pipe 1301 is fixedly inserted into the side wall of the tank body 101 and the outlet of the water inlet pipe 1301 is located below the porous plate 104 .

[0091] The water outlet pipe 1304 is fixedly inserted into the side wall of the tank body 101 and the inlet of the water outlet pipe 1304 is located above the filter medium 106 .

[0092] The opening and closing mechanism is arranged on the side wall of each water inlet pipe 1301 and water outlet pipe 1304 and is used to control the opening and closing of the water inlet pipe 1301 and the water outlet pipe 1304 .

[0093] The water inlet assembly is arranged at the inlet of the water inlet pipe 1301 and is used to supply water to the water inlet pipe 1301 .

[0094] The water outlet assembly, located at the outlet of the outlet pipe 1304, is used to discharge backwash water. It can squeeze the groundwater above the filter medium 106 and control the amount of groundwater within the tank 101. By spacing the multiple layers of filter medium 106 apart, blockages in the filter medium 106 can be automatically detected and backwashed promptly. Each filter medium 106 can be backwashed individually from bottom to top, and the water after each backwash is discharged directly through the outlet pipe 1304, improving the backwash efficiency and quality of each layer of filter medium 106. The top of the filter medium 106 can be vibrated back and forth to facilitate the removal of impurities. Furthermore, the top of the filter medium 106 can be cleaned, clearing and lifting accumulated impurities, allowing the impurities to be discharged with the water flow. This improves the efficiency and effectiveness of backwashing, thereby ensuring the efficiency and effectiveness of groundwater filtration.

[0095] See also Figure 1 、 Figure 3 and Figure 7 , the extrusion mechanism includes:

[0096] The fixed cylinder 301 is fixedly inserted above the tank body 101 .

[0097] The sliding plate 306 slides in the fixing cylinder 301 and is fixed to the top of the extrusion plate 11 through the connecting rod 305 .

[0098] The counterweight plate 302 is inserted into the fixed cylinder 301 and is located above the sliding plate 306 .

[0099] The distance sensor 304 is fixed to the inner wall of the fixed cylinder 301 through the first connecting block 303. During the filtration process, under the action of the counterweight disc 302, the sliding disc 306 and the connecting rod 305 can be pushed downward, and then the extrusion disc 11 is pushed, so that the groundwater above the filter medium 106 can be squeezed. Moreover, when the flow of groundwater entering the tank body 101 is large, the extrusion disc 11 can be pushed to move upward. At the same time, the counterweight disc 302 is driven to move upward through the connecting rod 305 and the sliding disc 306. When the distance sensor 304 detects that the distance to the counterweight disc 302 is close, the water supply is stopped, so that the amount of groundwater in the tank body 101 can be controlled, and the efficiency and effect of filtration can be improved.

[0100] See also Figure 7 、 Figure 10-12 , each vibration mechanism includes:

[0101] The fixing frame 201 is fixed to the inner wall of the tank body 101 .

[0102] The rotating plate 203 rotates on the bottom of the fixing frame 201 via the rotating shaft 202 .

[0103] The telescopic mechanism is provided below the rotating plate 203 , and the U-shaped plate 204 is connected to the telescopic mechanism. The telescopic mechanism is used to lift and move the U-shaped plate 204 .

[0104] The rotating roller 206 is rotated on two opposite side walls of the U-shaped plate 204 via the first rotating rod 205 , and a plurality of protruding strips 207 are fixedly connected to the side walls of the rotating roller 206 .

[0105] The driving mechanism is disposed on the side wall of the water outlet pipe 1304 and is used to drive the rotating shaft 202 to rotate.

[0106] The cleaning mechanism is arranged below the rotating plate 203 and is used to clean impurities on the top of the filter medium 106. During backwashing, the driving mechanism can drive the rotating shaft 202 to rotate, thereby driving the rotating plate 203 to rotate. When the rotating plate 203 rotates, the telescopic mechanism can drive the U-shaped plate 204 and the rotating roller 206 to rotate, so that the rotating roller 206 can roll on the top of the filter medium 106. When the convex strip 207 abuts against the top of the filter medium 106, the rotating roller 206 and the U-shaped plate 204 can be pushed upward. When the convex strip 207 passes over the top of the filter medium 106, the U-shaped plate 204 and the rotating roller 206 can move downward and reset under the action of the telescopic mechanism and make the rotating roller 206 abut against the top of the filter medium 106. This reciprocating operation can make the rotating roller 206 vibrate the top of the filter medium 106 back and forth, thereby facilitating the separation of impurities and improving the efficiency and effect of backwashing.

[0107] See also Figure 10-12 , cleaning agencies include:

[0108] The moving mechanism is disposed below the rotating plate 203 , and the L-shaped plate 401 is connected to the moving mechanism. The moving mechanism is used to reciprocate the L-shaped plate 401 .

[0109] Multiple rubber brushes 402 are fixed to the bottom of the L-shaped plate 401 and are arranged at equal intervals. When the rotating plate 203 rotates, the L-shaped plate 401 and the rubber brushes 402 can be driven to rotate through the moving mechanism, so that the impurities accumulated on the top of the filter medium 106 can be cleaned and lifted up, making it easier for the impurities to be discharged along with the water flow, which can improve the efficiency and effect of backwashing, thereby ensuring the efficiency and effect of groundwater filtration.

[0110] See also Figure 9 and Figure 10 , the driving mechanism includes:

[0111] The fixed box 502 is fixedly inserted into the side wall of the water outlet pipe 1304 and communicated with the water outlet pipe 1304 .

[0112] The second rotating rod 503 is rotatably connected to the top of the fixed box 502 , and the lower end of the second rotating rod 503 passes through the bottom of the fixed box 502 .

[0113] A plurality of push plates 504 are inserted into the fixing box 502 and fixed to the side wall of the second rotating rod 503 .

[0114] The driving pulley 505 is fixed to the lower end of the second rotating rod 503 .

[0115] The driven pulley 501 is fixedly sleeved on the side wall of the rotating shaft 202 .

[0116] The belt 506 is inserted into the side wall of the tank body 101 and is sleeved on the side wall of the driving pulley 505 and the driven pulley 501. When backwashing is performed, the cleaned water is discharged through the outlet pipe 1304, can enter the fixed box 502 and impact the surface of the push plate 504, thereby pushing the push plate 504 and the second rotating rod 503 to rotate. When the second rotating rod 503 rotates, it can drive the driving pulley 505 to rotate, and drive the driven pulley 501 to rotate through the belt 506, thereby driving the rotating shaft 202 and the rotating plate 203 to rotate.

[0117] See also Figure 11 and Figure 12 , the telescopic mechanism includes:

[0118] Two sleeve rods 602 are fixed on the top of the U-shaped plate 204 .

[0119] The two sleeves 601 are sleeved on the side walls of the sleeve rod 602 , and the upper ends of the sleeves 601 are fixed to the bottom of the rotating plate 203 .

[0120] The two first elastic members 603 are sleeved on the two sleeve rods 602 and the side walls of the sleeve 601, and the first elastic members 603 are located between the U-shaped plate 204 and the rotating plate 203. The first elastic member 603 can be a spring, and the two ends of the first elastic member 603 are respectively fixed to the U-shaped plate 204 and the rotating plate 203, thereby guiding and resetting the movement of the U-shaped plate 204.

[0121] See also Figure 11 and Figure 12 , the mobile mechanism includes:

[0122] Two T-shaped guide rods 701 are fixed to the side walls of the L-shaped plate 401 .

[0123] The second connecting block 702 is sleeved on the side walls of the two T-shaped guide rods 701 and fixed to the bottom of the rotating plate 203 .

[0124] The two second elastic members 703 are sleeved on the side walls of the two T-shaped guide rods 701, and the second elastic members 703 are located between the second connecting block 702 and the L-shaped plate 401. The second elastic member 703 can be a spring, and the two ends of the second elastic member 703 are respectively fixed to the second connecting block 702 and the L-shaped plate 401.

[0125] The inclined plate 704 is fixed to the side wall of the L-shaped plate 401 .

[0126] The push rod 705 is fixed to the side wall of the U-shaped plate 204, so that the push rod 705 can slide on the side wall of the inclined plate 704. When the U-shaped plate 204 moves upward, it can drive the push rod 705 to slide along the side wall of the inclined plate 704, thereby pushing the L-shaped plate 401 to move toward the second connecting block 702. At the same time, the second elastic member 703 is compressed. When the U-shaped plate 204 moves downward, the L-shaped plate 401 can move and reset under the action of the second elastic member 703. This reciprocating motion can make the L-shaped plate 401 move back and forth, thereby achieving a better cleaning effect.

[0127] See also Figure 7-Figure 9 , the opening and closing mechanisms include:

[0128] The fixed cover 801 is fixedly inserted into and communicated with the side walls of the water inlet pipe 1301 and the water outlet pipe 1304 .

[0129] The sliding block 802 is slidably connected to the fixed cover 801 , and a circular hole 803 is formed on the side wall of the sliding block 802 .

[0130] A plurality of third elastic members 804 are located between the fixed cover 801 and the sliding block 802 . The third elastic members 804 may be springs, and two ends of the third elastic members 804 are fixed to the side walls of the fixed cover 801 and the sliding block 802 , respectively.

[0131] The pushing mechanism is arranged on the side wall of the tank body 101 and is used to push the sliding block 802 to move. The pushing mechanism pushes the sliding block 802 to slide into the fixed cover 801, so that the circular hole 803 coincides with the water inlet pipe 1301 and the water outlet pipe 1304. At the same time, the third elastic member 804 is compressed, and at this time, the opening and closing mechanism is opened.

[0132] See also Figure 3 、 Figure 6 、 Figure 8 and Figure 9 , the driving agencies include:

[0133] The lifting module 1001 is fixed to the side wall of the tank body 101 through the support plate 1002 , and the lifting module 1001 is connected to the moving plate 1003 .

[0134] The L-shaped block 1004 is fixed to the side wall of the movable plate 1003 and has two first inclined surfaces 1005 at one end close to the sliding block 802 .

[0135] The pushing block 1006 is fixed to the side wall of the L-shaped block 1004 and is provided with two second inclined surfaces 1007 at one end close to the sliding block 802. The movable plate 1003 is driven upward by the lifting module 1001, and the L-shaped block 1004 and the pushing block 1006 are driven upward. When the first inclined surface 1005 and the second inclined surface 1007 respectively abut against the side walls of the two lowest sliding blocks 802, the sliding block 802 can be pushed to slide into the fixed cover 801.

[0136] See also Figure 1 , water supply agencies include:

[0137] The annular tube 901 is sleeved on the side wall of the tank body 101 and communicates with the interior of the tank body 101 through a plurality of first connecting tubes 902 .

[0138] The first solenoid valve 904 is connected to the annular pipe 901 through the second connecting pipe 903. When groundwater needs to be filtered, the first solenoid valve 904 is opened to allow groundwater to enter the tank body 101 through the second connecting pipe 903, making the water supply more uniform.

[0139] See also Figure 1 and Figure 8 , the water inlet components include:

[0140] The second solenoid valve 1303 is connected to the end of the water inlet pipe 1301 away from the tank body 101 through the third connecting pipe 1302. Opening the second solenoid valve 1303 allows external clean water to enter the water inlet pipe 1301 through the second solenoid valve 1303 and the third connecting pipe 1302.

[0141] See also Figure 6 , the water outlet components include:

[0142] The third solenoid valve 1306 is connected to the end of the water outlet pipe 1304 away from the tank body 101 through the fourth connecting pipe 1305. When the third solenoid valve 1306 is opened, clean water can enter the tank body 101 through the water inlet pipe 1301, pass through the porous plate 104 and the filter medium 106, and then be discharged through the water outlet pipe 1304, the fourth connecting pipe 1305 and the third solenoid valve 1306.

[0143] Working principle: During use, when groundwater needs to be filtered, the first solenoid valve 904 is opened, so that the groundwater enters the tank body 101 through the second connecting pipe 903, and is filtered through the multi-layer filter medium 106 and discharged through the water outlet 103. At the same time, during the filtering process, under the action of the counterweight disc 302, the sliding disc 306 and the connecting rod 305 can be pushed downward, and then the extrusion disc 11 is pushed to squeeze the groundwater above the filter medium 106. Moreover, when the flow of groundwater entering the tank body 101 is large, the extrusion disc 11 can be pushed upward. At the same time, the counterweight disc 302 is driven upward by the connecting rod 305 and the sliding disc 306. When the distance sensor 304 detects that the distance to the counterweight disc 302 is close, the first solenoid valve 904 is closed and the water supply operation is stopped. The amount of groundwater in the tank body 101 can be controlled, which can improve the efficiency and effect of filtration.

[0144] By setting up multiple porous plates 104 and filter media 106, at the same time, leaving a distance between two adjacent porous plates 104, and a backwash mechanism is set between two adjacent porous plates 104, when the flow rate sensor 12 detects that the water outlet speed of the water outlet 103 is slow, it means that there are more impurities filtered in the filter medium 106, and automatic detection and timely backwashing are achieved. At this time, backwashing operation is required, and the second solenoid valve 1303 and the third solenoid valve 1306 are opened to allow external clean water to enter the water inlet pipe 1301 through the second solenoid valve 1303 and the third connecting pipe 1302.

[0145] Then, the movable plate 1003 is driven upward by the lifting module 1001, and the L-shaped block 1004 and the pushing block 1006 are driven upward. When the first inclined surface 1005 and the second inclined surface 1007 respectively abut against the side walls of the two sliding blocks 802 at the bottom, the sliding block 802 can be pushed to slide into the fixed cover 801, so that the circular hole 803 coincides with the water inlet pipe 1301 and the water outlet pipe 1304. At the same time, the third elastic member 804 is compressed. At this time, the opening and closing mechanism is opened, and the backwash mechanism at the bottom works. Clean water can enter the tank body 101 through the water inlet pipe 1301, pass through the porous plate 104 and the filter medium 106, and then be discharged through the water outlet pipe 1304, the fourth connecting pipe 1305 and the third solenoid valve 1306, so that the bottom layer of filter medium 106 can be backwashed.

[0146] When the water discharged from the outlet pipe 1304 is relatively clean, the L-shaped block 1004 and the pushing block 1006 can be driven to continue to move upward by the lifting module 1001. When it passes over the sliding block 802, the sliding block 802 can be moved and reset under the action of the third elastic member 804, so that the circular hole 803 is staggered with the outlet pipe 1304 and the water inlet pipe 1301. At this time, the lowest opening and closing mechanism is closed. Similarly, the upper opening and closing mechanism is opened, that is, the upper backwash mechanism is working, and so on. Each filter medium 106 can be backwashed individually from bottom to top. At the same time, the water after each backwash is directly discharged through the outlet pipe 1304, which can improve the backwash efficiency and quality of each layer of filter medium 106, thereby ensuring the efficiency and effect of groundwater filtration.

[0147] At the same time, when the cleaned water is discharged through the outlet pipe 1304, it can enter the fixed box 502 and impact the surface of the push plate 504, thereby pushing the push plate 504 and the second rotating rod 503 to rotate. When the second rotating rod 503 rotates, it can drive the active pulley 505 to rotate, and drive the driven pulley 501 to rotate through the belt 506, thereby driving the rotating shaft 202 and the rotating plate 203 to rotate. When the rotating plate 203 rotates, it can drive the U-shaped plate 204 and the rotating roller 206 to rotate through the telescopic mechanism, so that the rotating roller 206 can rotate on the filter medium. The top of the filter medium 106 rolls, and when the ridge 207 abuts against the top of the filter medium 106, it can push the rotating roller 206 and the U-shaped plate 204 to move upward. At the same time, the first elastic member 603 is compressed. When the ridge 207 passes over the top of the filter medium 106, the U-shaped plate 204 and the rotating roller 206 can move downward and reset under the action of the first elastic member 603 and make the rotating roller 206 abut against the top of the filter medium 106. This reciprocating operation can make the rotating roller 206 vibrate the top of the filter medium 106 back and forth, thereby facilitating the separation of impurities and improving the efficiency and effect of backwashing.

[0148] In addition, when the U-shaped plate 204 moves upward, it can drive the push rod 705 to slide along the side wall of the inclined plate 704, thereby pushing the L-shaped plate 401 to move in the direction close to the second connecting block 702. At the same time, the second elastic member 703 is compressed. When the U-shaped plate 204 moves downward, the L-shaped plate 401 can move and reset under the action of the second elastic member 703. This reciprocating process can make the L-shaped plate 401 move back and forth and drive the rubber brush 402 to move back and forth, so that the rubber brush 402 can clean and lift up the impurities accumulated on the top of the filter medium 106, thereby facilitating the discharge of impurities along with the water flow, thereby improving the efficiency and effect of backwashing, and thus ensuring the efficiency and effect of groundwater filtration.

Claims

1. A multi-media filter for groundwater filtration, comprising a tank body (101), a maintenance port (102), a water outlet (103), and multiple layers of porous plates (104) arranged on a multi-media filter body, wherein each layer of the porous plates (104) is provided with multiple porous plate water caps (105), and each porous plate (104) is filled with a filter medium (106), characterized in that: The multi-media filter for groundwater filtration also includes: A flow rate sensor (12) is fixedly inserted into the side wall of the water outlet (103) and is used to detect the flow rate of the filtered water; An extrusion mechanism is arranged above the tank body (101), and a squeezing disc (11) is connected to the squeezing mechanism, and the squeezing mechanism is used to drive the squeezing disc (11) to squeeze the groundwater in the tank body (101); a water supply mechanism, arranged on the side wall of the tank body (101), for supplying groundwater into the tank body (101); A plurality of backwash mechanisms are provided on the side wall of the tank body (101) and are arranged at equal intervals in the vertical direction, and are used to backwash each layer of filter medium (106); A plurality of vibration mechanisms, disposed between two adjacent porous plates (104) and located above the filter medium (106), for vibrating each layer of the filter medium (106); Each of the backwash mechanisms comprises: A water inlet pipe (1301) is fixedly inserted into the side wall of the tank body (101), and the outlet of the water inlet pipe (1301) is located below the porous plate (104); A water outlet pipe (1304) is fixedly inserted into the side wall of the tank body (101), and the inlet of the water outlet pipe (1304) is located above the filter medium (106); An opening and closing mechanism is provided on the side wall of each of the water inlet pipe (1301) and the water outlet pipe (1304), and is used to control the opening and closing of the water inlet pipe (1301) and the water outlet pipe (1304); A water inlet assembly, arranged at the inlet of the water inlet pipe (1301), and used for supplying water to the water inlet pipe (1301); A water outlet assembly is provided at the outlet of the water outlet pipe (1304) and is used to discharge the water after backwashing; Each of the vibration mechanisms comprises: A fixing frame (201) is fixed to the inner wall of the tank body (101); A rotating plate (203) is rotated on the bottom of the fixed frame (201) via a rotating shaft (202); a telescopic mechanism, disposed below the rotating plate (203), with a U-shaped plate (204) connected to the telescopic mechanism, and used to lift and move the U-shaped plate (204); A rotating roller (206) is rotated on two opposite side walls of the U-shaped plate (204) via a first rotating rod (205), and the side walls of the rotating roller (206) are fixedly connected with a plurality of convex strips (207); A driving mechanism, arranged on the side wall of the water outlet pipe (1304), for driving the rotating shaft (202) to rotate; a cleaning mechanism, disposed below the rotating plate (203), for cleaning impurities on the top of the filter medium (106); The driving mechanism comprises: A fixed box (502) is fixedly inserted into the side wall of the water outlet pipe (1304) and is in communication with the water outlet pipe (1304); A second rotating rod (503) is rotatably connected to the top of the fixed box (502), and the lower end of the second rotating rod (503) is arranged to pass through the bottom of the fixed box (502); A plurality of push plates (504) are inserted into the fixed box (502) and fixed to the side wall of the second rotating rod (503); A driving pulley (505) is fixed to the lower end of the second rotating rod (503); A driven pulley (501) is fixedly sleeved on the side wall of the rotating shaft (202); The belt (506) is inserted into the side wall of the tank body (101) and is sleeved on the side walls of the driving pulley (505) and the driven pulley (501).

2. The multi-media filter for groundwater filtration according to claim 1, characterized in that: The water inlet assembly comprises: The second solenoid valve (1303) is connected to the end of the water inlet pipe (1301) away from the tank body (101) through the third connecting pipe (1302); The water outlet assembly includes: The third solenoid valve (1306) is connected to the end of the water outlet pipe (1304) away from the tank body (101) through the fourth connecting pipe (1305). The extrusion mechanism comprises: A fixed cylinder (301) is fixedly inserted above the tank body (101); A sliding plate (306) slides in the fixed cylinder (301) and is fixed to the top of the extrusion plate (11) via a connecting rod (305); A counterweight plate (302) is inserted into the fixed cylinder (301) and is located above the sliding plate (306); The distance sensor (304) is fixed to the inner wall of the fixing cylinder (301) via the first connecting block (303).

3. The multi-media filter for groundwater filtration according to claim 1, characterized in that: The cleaning mechanism comprises: A moving mechanism is provided below the rotating plate (203), and an L-shaped plate (401) is connected to the moving mechanism, and the moving mechanism is used to reciprocate the L-shaped plate (401); A plurality of rubber brushes (402) are fixed to the bottom of the L-shaped plate (401) and arranged at equal intervals.

4. The multi-media filter for groundwater filtration according to claim 1, characterized in that: The telescopic mechanism comprises: Two sleeve rods (602) fixed to the top of the U-shaped plate (204); Two sleeves (601) are sleeved on the side walls of the sleeve rod (602), and the upper ends of the sleeves (601) are fixed to the bottom of the rotating plate (203); The two first elastic members (603) are sleeved on the two sleeve rods (602) and the side walls of the sleeve (601), and the first elastic members (603) are located between the U-shaped plate (204) and the rotating plate (203).

5. The multi-media filter for groundwater filtration according to claim 3, characterized in that: The moving mechanism comprises: Two T-shaped guide rods (701) fixed to the side walls of the L-shaped plate (401); A second connecting block (702) is sleeved on the side walls of the two T-shaped guide rods (701) and fixed to the bottom of the rotating plate (203); Two second elastic members (703) are sleeved on the side walls of the two T-shaped guide rods (701), and the second elastic members (703) are located between the second connecting block (702) and the L-shaped plate (401); An inclined plate (704) fixed to the side wall of the L-shaped plate (401); The push rod (705) is fixed to the side wall of the U-shaped plate (204), so that the push rod (705) can slide on the side wall of the inclined plate (704).

6. The multi-media filter for groundwater filtration according to claim 1, characterized in that: The opening and closing mechanism comprises: A fixed cover (801) is fixedly inserted into and communicated with the side walls of the water inlet pipe (1301) and the water outlet pipe (1304); A sliding block (802) is slidably connected to the fixed cover (801), and a circular hole (803) is opened on the side wall of the sliding block (802); A plurality of third elastic members (804) are located between the fixed cover (801) and the sliding block (802); The pushing mechanism is arranged on the side wall of the tank body (101) and is used to push the sliding block (802) to move.

7. The multi-media filter for groundwater filtration according to claim 6, characterized in that: The driving mechanism includes: A lifting module (1001) is fixed to the side wall of the tank body (101) via a support plate (1002), and the lifting module (1001) is connected to a movable plate (1003); An L-shaped block (1004) is fixed to the side wall of the movable plate (1003) and is provided with two first inclined surfaces (1005) at one end close to the sliding block (802); The pushing block (1006) is fixed to the side wall of the L-shaped block (1004) and is provided with two second inclined surfaces (1007) at one end close to the sliding block (802).

8. The multi-media filter for groundwater filtration according to claim 1, characterized in that: The water supply mechanism includes: The annular tube (901) is sleeved on the side wall of the tank body (101) and is connected to the interior of the tank body (101) through a plurality of first connecting tubes (902).

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