High-flux and high-pollution-resistance PTFE flat sheet membrane mechanism

Abstract

The utility model provides a high flux high antifouling PTFE flat sheet membrane mechanism, including filter box, support frame, PTFE membrane, flushing structure and discharge structure, filter box inner bottom is fixedly connected with the support frame, support frame both sides are fixedly connected with two sets of fixed groove respectively, support frame both sides are provided with a set of PTFE membrane respectively, the flushing structure is connected with the flushing structure, and the discharge structure is connected with the flushing structure. The two ends of the two PTFE membranes are fixedly connected into the two fixing grooves in the two sides of the supporting frame respectively, flushing structures are arranged on the sides, away from the supporting frame, of the two PTFE membranes, through grooves are formed in the lower surfaces of the two ends of the filtering box respectively and communicate with the interior of the filtering box, and the lower surfaces of the two ends of the filtering box are each provided with a discharging structure. According to the utility model, through the arrangement of the flushing structure, water is conveyed to the flushing spray head through the water inlet pipe, the flushing spray head sprays the water to flush the outer surface of the filter membrane, and high-pressure water flow peels off sludge deposited on the surface of the filter membrane, so that the possibility that the PTFE membrane is blocked by the sludge is effectively reduced, the sewage flux is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a high-throughput and high anti-fouling PTFE flat membrane mechanism. Background Art

[0002] The PTFE (polytetrafluoroethylene) flat membrane is a specific membrane filtration device that uses the PTFE membrane as a filtration medium. This membrane usually has excellent chemical stability and heat resistance, and is suitable for the filtration, separation, and purification processes of various liquids and gases; the application of the PTFE (polytetrafluoroethylene) flat membrane in sewage treatment mainly realizes efficient sewage treatment and wastewater reuse through its excellent chemical stability, heat resistance, and corrosion resistance;

[0003] However, during sewage treatment, the sewage contains impurities and sludge, and the impurities and sludge cannot pass through the PTFE membrane. During long-term sewage treatment, the sludge will adhere to the outer surface of the PTFE membrane, causing blockage of the PTFE membrane, reducing the sewage flux, and thus lowering the working efficiency of sewage treatment. At the same time, the sludge continuously accumulates on one side of the PTFE membrane, and it is necessary for the staff to open the equipment space where the PTFE membrane is located to clean the sludge, but the equipment space is relatively narrow and it is inconvenient to clean the sludge. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a high-throughput and high anti-fouling PTFE flat membrane mechanism.

[0005] The high-throughput and high anti-fouling PTFE flat membrane mechanism provided by the utility model includes: a filtration tank, a support frame, a PTFE membrane, a flushing structure, and a discharge structure. A support frame is fixedly connected to the inner bottom of the filtration tank. Two groups of fixing grooves are respectively fixedly connected to both sides of the support frame. One group of PTFE membranes is respectively arranged on both sides of the support frame. Both ends of the two groups of PTFE membranes are respectively fixedly connected to the inside of the two groups of fixing grooves on both sides of the support frame. A flushing structure is arranged on the side of the two groups of PTFE membranes away from the support frame. The flushing structure includes a water inlet pipe and flushing nozzles. Through grooves are respectively opened on the lower surfaces of both ends of the filtration tank, and the through grooves are communicated with the inside of the filtration tank. One group of discharge structures is respectively arranged on the lower surfaces of both ends of the filtration tank. The discharge structure includes a conduit, a collecting hopper, a transmission rod, and a spiral blade. A through groove is opened on the upper surface of the conduit, and the through groove is communicated with the inside of the conduit. A collecting hopper is fixedly connected to the outside of the through groove on the upper surface of the conduit. The upper end of the collecting hopper is fixedly connected to the outside of the through groove on the lower surface of the filtration tank. A transmission rod is arranged inside the conduit, and a spiral blade is fixedly connected to the outer surface of the transmission rod.

[0006] Preferably, water inlets are respectively opened at both ends of the filtration tank, a water outlet is opened on the upper surface of the filtration tank, through holes are respectively opened on both sides of the water outlet on the upper surface of the filtration tank, and four groups of support columns are fixedly connected to the lower surface of the filtration tank.

[0007] Preferably, the support frame is in the shape of "I", the upper end of the support frame is fixedly connected to the inner top of the filter box, and the support frame is located below the water outlet on the upper surface of the filter box.

[0008] Preferably, one end of the water inlet pipe in each of the two flushing structures passes through the through holes on both sides of the water outlet on the upper surface of the filter box and extends into the interior of the filter box. The end of the water inlet pipe extending into the interior of the filter box is fixedly connected to the inner bottom of the filter box. A number of flushing nozzles are fixedly connected to the outer surface of the water inlet pipe, and the flushing nozzles are in communication with the interior of the water inlet pipe.

[0009] Preferably, one end of the conduit is provided with a through hole, the lower surface of the other end of the conduit is provided with a discharge port, and a sealing cover plate is hinged to the discharge port.

[0010] Preferably, one end of the transmission rod passes through the through hole at one end of the conduit and extends to the outer surface of the conduit. The other end of the transmission rod is rotatably connected to the inner wall of the other end of the conduit. One end of the transmission rod extending to the outer surface of the conduit is fixedly connected to a driven bevel gear. A driving bevel gear is meshed with one side of the driven bevel gear. A servo motor is fixedly connected to the lower end of the driving bevel gear. The power output end of the servo motor is fixedly connected to the lower end of the driving bevel gear. One side of the servo motor is fixedly connected to the outer surface of the conduit.

[0011] Compared with the related art, the high-throughput and high anti-fouling PTFE flat membrane mechanism provided by the present invention has the following beneficial effects:

[0012] By providing a flushing structure, water is transported through the water inlet pipe to the flushing nozzles, and the flushing nozzles spray water to flush the outer surface of the filter membrane. The high-pressure water flow strips the sludge deposited on the surface of the filter membrane, effectively reducing the possibility of sludge clogging the PTFE membrane, improving the sewage flux, and improving the working efficiency.

[0013] By providing a discharge structure, open the sealing cover at the discharge port on the lower surface of the conduit, start the servo motor. When the power output end of the servo motor rotates, it drives the driving bevel gear to rotate. When the driving bevel gear rotates, it meshes with the driven bevel gear, so that the driven bevel gear drives the transmission rod to rotate. When the transmission rod rotates, it drives the spiral blade to rotate, thereby discharging the sludge from the conduit, effectively improving the convenience of sludge cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of a preferred embodiment of the high-throughput and high anti-fouling PTFE flat membrane mechanism provided by the present invention;

[0015] Figure 2 is a schematic structural diagram of the interior of the filter box of the present invention;

[0016] Figure 3 is an exploded structural diagram of the interior structure of the filter box of the present invention;

[0017] Figure 4 is a schematic exploded view of the discharge structure of the present utility model;

[0018] Figure 5 is a schematic view of the structure at the bottom of the conduit of the present utility model.

[0019] Reference numerals in the figure: 1, filter box; 2, support frame; 3, fixing groove; 4, PTFE membrane; 5, flushing structure; 6, water inlet pipe; 7, flushing nozzle; 8, discharge structure; 9, conduit; 10, collecting hopper; 11, transmission rod; 12, helical blade; 13, servo motor; 14, support column; 15, sealing cover plate; 16, driven bevel gear; 17, driving bevel gear. Specific embodiments

[0020] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein, Figure 1 is a schematic structural view of a preferred embodiment of the high-flux and highly anti-fouling PTFE flat membrane mechanism provided by the present utility model; Figure 2 is a schematic view of the internal structure of the filter box of the present utility model; Figure 3 is a schematic exploded view of the internal structure of the filter box of the present utility model; Figure 4 is a schematic exploded view of the discharge structure of the present utility model; Figure 5Schematic diagram of the structure at the bottom of the catheter of the present utility model. It includes: a filter box 1, a support frame 2, a PTFE membrane 4, a flushing structure 5, and a discharge structure 8. A support frame 2 is fixedly connected to the inner bottom of the filter box 1. Two groups of fixing grooves 3 are respectively fixedly connected to both sides of the support frame 2. One group of PTFE membranes 4 is respectively arranged on both sides of the support frame 2. Both ends of the two groups of PTFE membranes 4 are respectively fixedly connected to the inside of the two groups of fixing grooves 3 on both sides of the support frame 2. A flushing structure 5 is arranged on the side of the two groups of PTFE membranes 4 away from the support frame 2. The flushing structure 5 facilitates the cleaning of the PTFE membrane 4 to improve the sewage flux of the PTFE membrane 4. The flushing structure 5 includes a water inlet pipe 6 and a flushing nozzle 7. Through grooves are respectively opened on the lower surfaces of both ends of the filter box 1, and the through grooves communicate with the inside of the filter box 1. One group of discharge structures 8 is respectively arranged on the lower surfaces of both ends of the filter box 1. The discharge structure 8 facilitates the discharge of the sludge accumulated inside the filter box 1. The discharge structure 8 includes a catheter 9, a collecting hopper 10, a transmission rod 11, and a spiral blade 12. A through groove is opened on the upper surface of the catheter 9, and the through groove communicates with the inside of the catheter 9. A collecting hopper 10 is fixedly connected to the outside of the through groove on the upper surface of the catheter 9. The upper end of the collecting hopper 10 is fixedly connected to the outside of the through groove on the lower surface of the filter box 1. The collecting hopper 10 guides the sludge into the inside of the guide rail. A transmission rod 11 is arranged inside the catheter 9, and a spiral blade 12 is fixedly connected to the outer surface of the transmission rod 11. When the transmission rod 11 rotates, it drives the spiral blade 12 to rotate, thereby discharging the sludge out of the catheter 9.

[0022] In the specific implementation process, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, wherein, water inlets are respectively opened at both ends of the filter box 1. The sewage conveying pipeline is connected to the water inlets at both ends of the filter box 1, and the sewage enters the inside of the filter box 1 through the water inlets at both ends of the filter box 1. A water outlet is opened on the upper surface of the filter box 1. The drainage pipeline is connected to the water outlet on the upper surface of the filter box 1, and the sewage filtered by the PTFE membrane 4 flows out through the water outlet on the upper surface of the filter box 1 and through the drain pipe. Through holes are respectively opened on both sides of the water outlet on the upper surface of the filter box 1. Four support columns 14 are fixedly connected to the lower surface of the filter box 1, and the support columns 14 provide support force for the filter box 1.

[0023] Among them, the support frame 2 is in an "I" shape. The upper end of the support frame 2 is fixedly connected to the inner top of the filter box 1. The support frame 2 is located below the water outlet on the upper surface of the filter box 1. The support frame 2 and the PTFE membrane 4 form a space, which facilitates the filtered sewage to be discharged through the water outlet on the upper surface of the filter box 1.

[0024] Among them, one end of the water inlet pipe 6 in the two groups of flushing structures 5 respectively passes through the through holes on both sides of the water outlet on the upper surface of the filter tank 1 and extends to the inside of the filter tank 1. The outer surface of the water inlet pipe 6 is fixedly connected to the inner wall of the through hole on the upper surface of the filter tank 1 to prevent sewage leakage. One end of the water inlet pipe 6 extending to the inside of the filter tank 1 is fixedly connected to the inner bottom of the filter tank 1. A number of groups of flushing nozzles 7 are fixedly connected to the outer surface of the water inlet pipe 6. The flushing nozzles 7 communicate with the inside of the water inlet pipe 6. Connect one end of the water inlet pipe 6 located on the outer surface of the filter tank 1 to a high-pressure water pump. The high-pressure water pump extracts water source, transports the water through the water inlet pipe 6 to the flushing nozzles 7, and the flushing nozzles 7 spray the water to flush the outer surface of the PTFE membrane 4. The high-pressure water flow strips the sludge deposited on the surface of the PTFE membrane 4.

[0025] Among them, one end of the conduit 9 is provided with a through hole, and a discharge port is provided on the lower surface of the other end of the conduit 9. A sealing cover plate 15 is hinged to the discharge port. The sealing cover plate 15 serves to seal the discharge port on the lower surface of the conduit 9. The sealing tube is closely attached to the discharge port on the lower surface of the conduit 9 by a locking method to prevent sewage leakage. When discharging, just open the lock.

[0026] Among them, one end of the transmission rod 11 passes through the through hole at one end of the conduit 9 and extends to the outer surface of the conduit 9. The transmission rod 11 can rotate inside the through hole at one end of the conduit 9. The transmission rod 11 and the through hole at one end of the conduit 9 are sealed by means of shaft seal to prevent sewage leakage. The other end of the transmission rod 11 is rotatably connected to the inner wall of the other end of the conduit 9. One end of the transmission rod 11 extending to the outer surface of the conduit 9 is fixedly connected to a driven bevel gear 16 on the outer surface. A driving bevel gear 17 is engaged on one side of the driven bevel gear 16. A servo motor 13 is fixedly connected to the lower end of the driving bevel gear 17. The power output end of the servo motor 13 is fixedly connected to the lower end of the driving bevel gear 17. One side of the servo motor 13 is fixedly connected to the outer surface of the conduit 9. The servo motor 13 is electrically connected to an external power source. Start the servo motor 13. When the power output end of the servo motor 13 rotates, it drives the driving bevel gear 17 to rotate. When the driving bevel gear 17 rotates, it meshes with the driven bevel gear 16, so that the driven bevel gear 16 drives the transmission rod 11 to rotate.

[0027] The working principle provided by the present utility model is as follows: The user connects the sewage conveying pipeline to the water inlets at both ends of the filter tank 1, and connects the drainage pipeline to the water outlet on the upper surface of the filter tank 1. The sewage enters the interior of the filter tank 1 through the water inlets at both ends of the filter tank 1, and passes through the PTFE membrane 4 into the space between the support frame 2 and the PTFE membrane 4. The sewage filtered by the PTFE membrane 4 flows out through the water outlet on the upper surface of the filter tank 1 and through the drain pipe. When the PTFE membrane 4 has been filtered for a long time, impurities and sludge in the sewage accumulate on the surface of the PTFE membrane 4, causing the PTFE membrane 4 to become blocked and the sewage flux to decrease. The user connects one end of the water inlet pipe 6 located on the outer surface of the filter tank 1 to a high-pressure water pump. The high-pressure water pump extracts water and transports the water through the water inlet pipe 6 to the flushing nozzle 7. The flushing nozzle 7 sprays water to flush the outer surface of the PTFE membrane 4. The high-pressure water flow strips the sludge accumulated on the surface of the PTFE membrane 4, causing the sludge to flow into the conduit 9 through the collecting hopper 10 along with the water flow. When the cleaning is completed and the sludge needs to be discharged, the user opens the sealing cover at the discharge port on the lower surface of the conduit 9. The user starts the servo motor 13. When the power output end of the servo motor 13 rotates, it drives the driving bevel gear 17 to rotate. When the driving bevel gear 17 rotates, it meshes with the driven bevel gear 16, causing the driven bevel gear 16 to drive the transmission rod 11 to rotate. When the transmission rod 11 rotates, it drives the spiral blade 12 to rotate, thereby discharging the sludge from the conduit 9.

[0028] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated here.

[0029] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A high-throughput and highly anti-fouling PTFE flat membrane mechanism, comprising: A filter box (1), a support frame (2), a PTFE membrane (4), a flushing structure (5) and a discharge structure (8), characterized in that a support frame (2) is fixedly connected to the inner bottom of the filter box (1), two groups of fixing grooves (3) are respectively fixedly connected to both sides of the support frame (2), a group of PTFE membranes (4) are respectively arranged on both sides of the support frame (2), and both ends of the two groups of PTFE membranes (4) are respectively fixedly connected to the inside of the two groups of fixing grooves (3) on both sides of the support frame (2). A flushing structure (5) is arranged on the side of the two groups of PTFE membranes (4) away from the support frame (2). The flushing structure (5) includes a water inlet pipe (6) and a flushing nozzle (7). Through grooves are respectively opened on the lower surfaces of both ends of the filter box (1), and the through grooves are communicated with the inside of the filter box (1). A group of discharge structures (8) are respectively arranged on the lower surfaces of both ends of the filter box (1). The discharge structure (8) includes a conduit (9), a collecting hopper (10), a transmission rod (11) and a spiral blade (12). A through groove is opened on the upper surface of the conduit (9), and the through groove is communicated with the inside of the conduit (9). A collecting hopper (10) is fixedly connected to the outside of the through groove on the upper surface of the conduit (9), and the upper end of the collecting hopper (10) is fixedly connected to the outside of the through groove on the lower surface of the filter box (1). A transmission rod (11) is arranged inside the conduit (9), and a spiral blade (12) is fixedly connected to the outer surface of the transmission rod (11).

2. The high-throughput and highly anti-fouling PTFE flat membrane mechanism according to claim 1, characterized in that, Water inlets are respectively opened at both ends of the filter box (1), a water outlet is opened on the upper surface of the filter box (1), through holes are respectively opened on both sides of the water outlet on the upper surface of the filter box (1), and four groups of support columns (14) are fixedly connected to the lower surface of the filter box (1).

3. The high-throughput and highly anti-fouling PTFE flat membrane mechanism according to claim 1, wherein The support frame (2) is in an "I" shape, the upper end of the support frame (2) is fixedly connected to the inner top of the filter box (1), and the support frame (2) is located below the water outlet on the upper surface of the filter box (1).

4. The high-throughput and highly anti-fouling PTFE flat membrane mechanism according to claim 1, wherein One ends of the water inlet pipes (6) in the two groups of flushing structures (5) respectively pass through the through holes on both sides of the water outlet on the upper surface of the filter box (1) and extend into the inside of the filter box (1). The ends of the water inlet pipes (6) extending into the inside of the filter box (1) are fixedly connected to the inner bottom of the filter box (1). A number of flushing nozzles (7) are fixedly connected to the outer surface of the water inlet pipe (6), and the flushing nozzles (7) are communicated with the inside of the water inlet pipe (6).

5. The high-throughput and highly anti-fouling PTFE flat membrane mechanism according to claim 1, characterized in that, A through hole is opened at one end of the conduit (9), a discharge port is opened on the lower surface of the other end of the conduit (9), and a sealing cover plate (15) is hinged to the discharge port.

6. The high-throughput and highly antifouling PTFE flat membrane mechanism according to claim 1, characterized in that One end of the transmission rod (11) passes through the through hole at one end of the conduit (9) and extends to the outer surface of the conduit (9). The other end of the transmission rod (11) is rotatably connected to the inner wall of the other end of the conduit (9). A driven bevel gear (16) is fixedly connected to the outer surface of the end of the transmission rod (11) extending to the outer surface of the conduit (9). A driving bevel gear (17) is engaged with one side of the driven bevel gear (16). A servo motor (13) is fixedly connected to the lower end of the driving bevel gear (17), the power output end of the servo motor (13) is fixedly connected to the lower end of the driving bevel gear (17), and the servo motor (13) is fixedly connected to the outer surface of the conduit (9) on one side.

Images