A membrane tap water purification system

Abstract

The present application relates to the field of tap water purification, and specifically discloses a membrane tap water purification treatment system, including a raw water tank, a flocculation device, an ultrafiltration membrane device, a disinfection device and a water storage tank connected in sequence, the flocculation device including a flocculation barrel and a disturbance plate, a rotating base shaft is rotatably connected in the flocculation barrel, and a driving device is arranged on the flocculation barrel; at least two pairs of disturbance plates are arranged on the rotating base shaft, and a driving assembly is arranged on the rotating base shaft, and the inner peripheral wall of the flocculation barrel and the outer peripheral wall of the rotating base shaft are both in contact with the end wall of the disturbance plate; a plurality of disturbance grooves are arranged through the disturbance plate, a flocculation filter screen and a closing plate are movably arranged on the disturbance substrate, and a driving assembly is arranged on the disturbance substrate; a flocculation discharge assembly is arranged on the flocculation barrel, and a drainage assembly and a water inlet assembly are also arranged on the flocculation barrel, the water inlet assembly is connected to the raw water tank, and the drainage assembly is connected to the ultrafiltration membrane device. The present application can improve the flocculent sedimentation efficiency, thereby improving the tap water purification efficiency.

Description

Technical Field

[0001] The present application relates to the field of tap water purification, and in particular to a membrane-based tap water purification system. Background Art

[0002] Tap water refers to water that meets the corresponding standards after being purified and disinfected by a tap water treatment plant. Tap water can be used for people's lives and production. However, tap water is prone to secondary pollution during transportation and storage. Therefore, before tap water is officially supplied to users, it is generally necessary to purify it again.

[0003] The commonly used tap water purification process usually includes steps such as flocculation, sedimentation, and filtration. It mainly uses flocculants to flocculate impurities such as heavy metals in tap water, then precipitates to remove flocculants, and then sends the tap water to a filtration device, thereby further improving the water quality of the tap water and achieving purification of the tap water.

[0004] However, the common sedimentation operation is to allow the flocculants to settle naturally in the tap water system, which takes a long time and has low efficiency, thus reducing the overall efficiency of tap water purification. Summary of the invention

[0005] In order to improve the flocculant settling efficiency and thus improve the tap water purification efficiency, the present application provides a membrane tap water purification treatment system.

[0006] The present application provides a membrane tap water purification system, which adopts the following technical solution:

[0007] A membrane tap water purification treatment system comprises a raw water tank, a flocculation device, an ultrafiltration membrane device, a disinfection device and a water storage tank connected in sequence, the flocculation device comprises a flocculation barrel and a disturbance plate, a rotating base shaft is rotatably connected in the flocculation barrel, and a driving device for driving the rotating base shaft to rotate is arranged on the flocculation barrel; there are at least two pairs of disturbance plates, at least two pairs of disturbance plates are arranged on the rotating base shaft, and a driving assembly for each pair of disturbance plates to rotate bidirectionally on the rotating base shaft or to fix the disturbance plates on the rotating base shaft is arranged on the rotating base shaft, and the inner peripheral wall of the flocculation barrel and the The outer peripheral walls of the rotating base shaft are all in contact with the end walls of the disturbance plate; the disturbance plate is provided with several disturbance grooves, the disturbance base plate is movably provided with a floc filter and a closing plate for closing the disturbance groove, and the disturbance base plate is provided with a driving component for driving the floc filter and the closing plate to move; the flocculation barrel is provided with a floc discharge component, and the floc discharge component is located between the two disturbance plates of each pair of the disturbance plates, and the flocculation barrel is also provided with a drainage component and a water inlet component, the water inlet component is connected to the raw water tank, and the drainage component is connected to the ultrafiltration membrane device.

[0008] By adopting the above technical scheme, in the flocculation device, the rotating base shaft drives the disturbance plate to rotate, and the tap water flows in the disturbance channel, so that the flocculant and the tap water are fully mixed. After the floc filter closes the disturbance channel, the two disturbance plates of each pair rotate relative to each other, and the floc filter filters the flocs while the disturbance plate gathers the flocs. Finally, the closing plate closes the disturbance channel, and the flocs are gathered in the space formed by the disturbance plate and the flocculation barrel. At this time, the floc discharge assembly can quickly discharge the flocs. Compared with natural sedimentation, the present application can gather the flocs together more quickly and discharge the flocs from the flocculation barrel. Moreover, the flocculation device of the present application has a centralized structure and occupies a small space. In addition, after flocculating the tap water, the present application uses an ultrafiltration membrane device to filter the tap water, which can remove pollutants such as particles, suspended matter, colloids, bacteria and viruses in the tap water, thereby further improving the water quality of the tap water. Finally, the tap water is disinfected by a disinfection device to obtain tap water with good water quality.

[0009] Optionally, a rotating ring groove is provided on the rotating base shaft, and a rotating ring seat is provided on the end wall of the disturbance plate. The rotating ring seat is rotatably connected to the groove wall of the rotating ring groove and fits with the groove wall of the rotating ring groove, and the outer wall of the rotating ring seat is flush with the outer peripheral wall of the rotating base shaft.

[0010] The cam is an axially movable member which is adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber, the cam being adapted to move the drive shaft towards the drive chamber

[0011] By adopting the above technical solution, when the driving rod moves axially along the rotating base shaft, the groove wall of the thread groove generates a force on the guide ball, and under the guidance of the groove wall of the thread groove, the driving ball rotates in the circumferential direction of the rotating base shaft, thereby driving the corresponding disturbance plate to rotate on the rotating base shaft. At the same time, since the spiral directions of the thread grooves corresponding to the two disturbance plates in each pair are opposite, the two disturbance plates in each pair can be easily rotated relative to each other.

[0012] Optionally, a receiving groove is provided in the disturbance plate, and the receiving groove is communicated with the disturbance groove, a sealing plate is provided on the peripheral wall of the floc filter, the floc filter is slidingly provided on the groove wall of the receiving groove along the radial direction of the rotating base axis, the sealing plate is in contact with the groove wall of the receiving groove, the closing plate and the floc filter are arranged in a one-to-one correspondence and connected to the sealing plate, the closing plate is slidingly provided on the groove wall of the receiving groove, and all the closing plates are located on the same side of the floc filter along the radial direction of the rotating base axis.

[0013] Optionally, the driving assembly includes a driving ball and a linkage rod, the disturbance plate is provided with a sliding cavity communicated with the accommodating groove, the linkage rod is slidably arranged on the cavity wall of the sliding cavity and connected to the closing plate; a yield cavity is provided in the rotating ring seat, the disturbance plate and the rotating ring seat are provided with a feed groove, the yield cavity and the sliding cavity are both communicated with the feed groove; a linkage block is provided on the linkage rod, the linkage block extends into the yield cavity through the feed groove, the linkage block is slidably arranged on the groove wall of the feed groove along the radial direction of the rotating base shaft; a reversing groove is provided on the cavity wall of the yield cavity, the reversing groove penetrates A first guide groove and a second guide groove are arranged on the groove walls opposite to the rotating ring seat, the first guide groove and the second guide groove both deviate from the circumferential direction and the radial direction of the rotating ring seat, the first guide groove and the second guide groove have the same inclination direction, a buffer arc groove is arranged between the groove walls of the first guide groove and the second guide groove, and the buffer arc groove and the rotating ring seat share a central axis; a reversing base is arranged at one end of the linkage block extending into the give way cavity, the driving ball is rotatably connected to the reversing base, and the driving ball is inserted into the first guide groove and fits with the first guide groove.

[0014] By adopting the above technical solution, the rotating base shaft is fixed, and during the rotation of the disturbance plate, relative displacement occurs between the rotating ring seat and the rotating ring groove. During this process, the driving ball is guided by the groove wall of the first guide groove, and while it is displaced along the circumferential direction of the rotating base shaft, it can also be displaced in the radial direction of the rotating base shaft, so that the linkage block can drive the floc filter to move through the linkage rod. Moreover, according to calculation and design, when the driving ball moves to the buffer ring groove, the floc filter closes the disturbance groove, and when the rotating ring seat continues to rotate, the driving ball moves in the buffer ring groove, so the driving ball is displaced along the circumferential direction of the rotating base shaft, and the floc filter can stably filter the flocs. According to calculation and design, when the driving ball moves to the second guide groove, the disturbance plate also reaches the specified position. At this time, the rotating ring seat rotates a distance again. Under the guidance of the second guide groove wall, the driving ball can be displaced in the radial direction of the rotating base shaft while being displaced along the circumferential direction of the rotating base shaft, so that the linkage block drives the floc filter to continue to move through the linkage rod, so that the closing plate closes the disturbance groove. Thus, the present application links the rotation of the rotating ring seat and the sliding of the floc filter, which is convenient and fast.

[0015] Optionally, the driving device includes a driving shaft, a mounting frame is connected to the bottom end of the flocculation barrel, a driving motor is arranged on the mounting frame, the driving shaft is fixedly connected to the driving end of the driving motor, the bottom end of the rotating base shaft passes through the bottom wall of the flocculation barrel and is rotatably connected to the bottom wall of the flocculation barrel, a rotating through groove communicating with the driving cavity is arranged on the bottom wall of the rotating base shaft, the driving shaft extends into the driving cavity through the rotating through groove and is rotatably connected to the rotating base shaft; the sliding assembly includes a feed screw sleeve, the feed screw sleeve is arranged at one end of the driving shaft extending into the driving cavity, the bottom end of the driving rod is threadedly connected to the inner circumferential wall of the feed screw sleeve, and a linkage assembly is arranged between the flocculation barrel and the driving shaft and the rotating base shaft.

[0016] Optionally, the linkage assembly includes a linkage rod, a return spring and a linkage electromagnet, the rotating base shaft extending out of the flocculation barrel is provided with a linkage through slot, the linkage through slot and the rotating through slot are communicated with the linkage rod, the linkage rod is slidably connected to the slot wall of the linkage through slot, the slot wall of the linkage through slot is provided with a linkage slide slot, the linkage rod is provided with a linkage magnetic block, the linkage magnetic block and the linkage slide slot are slidably connected, the linkage electromagnet is arranged on the slot wall of the linkage slide slot, the linkage electromagnet and the linkage magnetic block are opposite to each other along the sliding direction of the linkage rod, and the return spring is arranged between one end of the linkage magnetic block away from the linkage electromagnet and the slot wall of the linkage slide slot; a fixed slot is provided on the side wall opposite to the driving shaft and the linkage through slot, the linkage rod is inserted into the fixed slot and fits with the slot wall of the fixed slot, and a linkage block is provided on the outer bottom wall of the flocculation barrel, and a linkage slot is provided on the side wall opposite to the linkage block and the linkage through slot.

[0017] By adopting the above technical solution, under the action of the reset spring, the linkage rod is plugged into the fixed slot and away from the linkage slot, so that the drive shaft and the rotating base shaft can be relatively fixed together, and the driving motor can drive the rotating base shaft to rotate. The linkage electromagnet is energized, so that the linkage electromagnet attracts the linkage magnetic block, which can overcome the elastic force of the reset spring, so that the linkage rod slides, the linkage rod is away from the fixed slot and plugged into the linkage slot, so that the rotating base shaft and the flocculation barrel can be relatively fixed together, and the drive shaft and the rotating base shaft can rotate relative to each other, the drive shaft drives the feed screw sleeve to rotate, and the drive rod slides axially on the rotating base shaft by thread feed.

[0018] Optionally, the floc discharge assembly includes a sedimentation tank, and a discharge pipe is provided on the bottom wall of the flocculation barrel. The discharge pipe is provided in a one-to-one correspondence with each pair of disturbance plates. The discharge pipe is provided in the flocculation barrel at a middle position along the circumference of the rotating base axis between the two disturbance plates in each pair, and the discharge pipe is connected to the sedimentation tank.

[0019] Optionally, the flocculation barrel is provided with a flocculant delivery device, the flocculant delivery device includes a storage box and a partition plate, the storage box is arranged above the flocculation barrel, the inner circumferential wall of the storage box is a circumferential side wall, a base column is rotatably connected inside the storage box, a driving part for driving the base column to rotate is provided on the storage box, there are several partition plates and they are evenly distributed on the circumferential wall of the base column, the circumferential wall and the bottom wall of the storage box are both in contact with the partition plate, a delivery slot is opened on the bottom wall of the storage box, the delivery slot is located between two adjacent partition plates, and a feeding assembly is also provided on the storage box.

[0020] Optionally, the feeding assembly includes a storage box and a baffle, the storage box is arranged on the top wall of the storage box and is connected to the storage box, the baffle is arranged at the bottom end of the peripheral wall of the storage box, the baffle is rotatably connected to the top of the base column, a feeding slot is penetrated by the baffle, the feeding slot is located between two adjacent partitions, and the delivery slot and the feeding slot are staggered.

[0021] By adopting the above technical solution, the base column drives the partition plate to rotate, and the flocculant between the two partition plates opposite to the feeding slot can fall into the flocculation barrel, and the storage amount of the flocculant can be controlled according to the angle between the two partition plates, thereby controlling the dosage of the flocculant. Moreover, the flocculant in the storage box can enter between the two partition plates opposite to the feeding slot, and after the space between the two partition plates is filled with flocculant, the two partition plates rotate to leave the feeding slot, and the flocculant can be enclosed in the chamber formed by the two partition plates, the baffle plate and the storage box, so that the feeding into the storage box can be realized conveniently.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The present application utilizes a flocculation device to flocculate impurities in tap water, and at the same time, the flocculation can be filtered and the sealing plate can sequentially seal the disturbance channel, so that as the disturbance plate rotates, the flocculation filter screen filters the flocculation, and the sealing plate seals the disturbance channel, and the flocculation is gathered in the space formed by the disturbance plate and the flocculation barrel, thereby improving the flocculation settling efficiency, and thus improving the tap water purification efficiency;

[0024] 2. In the driving assembly and rotating assembly of the present application, the sliding of the driving rod is used as the driving force, and the interaction between the threaded groove and the guide ball is utilized to realize the rotation of the disturbance plate; by utilizing the effect of the first guide groove, the second guide groove and the buffer arc groove on the driving ball, the floc filter and the closed sliding are convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a simplified flow chart of a membrane tap water purification system in an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the structure of the flocculation device in the embodiment of the present application.

[0027] Figure 3 It is a schematic diagram for illustrating the structure of the disturbance plate in the embodiment of the present application.

[0028] Figure 4 yes Figure 3 Sectional view along line AA.

[0029] Figure 5 yes Figure 4 Enlarged view of point B in the middle.

[0030] Figure 6 It is a schematic diagram for illustrating the structure of the flocculant delivery device in the embodiment of the present application.

[0031] Figure 7 An exploded view of the structure of the feeding assembly in the embodiment of the present application is used to illustrate the structure of the feeding assembly in the embodiment of the present application.

[0032] Figure 8 yes Figure 1 Cross-sectional view along line CC.

[0033] Fig. 9 yes Figure 8 Enlarged view of point D in the middle.

[0034] Fig.10 yes Figure 8 Enlarged view of point E in the middle.

[0035] Fig.11 An exploded view of the structure of the drive assembly in an embodiment of the present application is provided.

[0036] Fig.12 It is a schematic diagram for illustrating the structure of the driving component in the embodiment of the present application.

[0037] Fig.13 It is a schematic diagram for illustrating the first guide groove structure in the embodiment of the present application.

[0038] Fig.14 It is a schematic diagram for illustrating the structure of the flocculant discharge assembly in the embodiment of the present application.

[0039] Explanation of reference numerals: 1, raw water tank; 11, filtering device; 12, ultrafiltration membrane device; 13, disinfection device; 14, water storage tank; 2, flocculation device; 21, flocculation barrel; 22, disturbance plate; 221, flocculation filter; 222, sealing plate; 223, closing plate; 23, mounting frame; 24, rotating base shaft; 25, receiving groove; 26, rotating ring groove; 261, first guide groove; 262, second guide groove; 263, buffer arc groove ; 27, rotating ring seat; 28, disturbance groove; 3, driving device; 31, driving shaft; 32, driving motor; 33, rotating groove; 4, driving assembly; 41, guide ball; 42, driving rod; 43, rotating arc groove; 44, rotating block; 45, sliding block; 46, sliding assembly; 461, feed screw sleeve; 47, thread groove; 48, driving chamber; 5, driving assembly; 51, driving ball; 52, linkage rod; 53, sliding chamber ; 54, give way cavity; 55, feed slot; 56, linkage block; 57, reversing slot; 58, reversing base; 6, flocculant discharge assembly; 61, sedimentation tank; 62, discharge pipe; 7, water inlet assembly; 71, water inlet pipe; 72, water inlet pump; 73, drainage assembly; 74, drainage pipe; 8, flocculant delivery device; 81, storage box; 82, partition plate; 83, support frame; 84, base column; 85, drive rotating part; 851, servo motor; 8 52. Driving gear; 853. Linkage gear; 86. Material storage chamber; 87. Feeding slot; 88. Feeding assembly; 881. Material storage box; 882. Baffle; 883. Feeding slot; 89. Material guide plate; 9. Linkage assembly; 91. Linkage rod; 92. Return spring; 93. Linkage electromagnet; 94. Linkage slot; 95. Linkage slide; 96. Linkage magnetic block; 97. Fixed card slot; 98. Linkage card block; 99. Linkage card slot. DETAILED DESCRIPTION

[0040] The present application is further described in detail below in conjunction with the accompanying drawings.

[0041] The embodiment of the present application discloses a membrane-based tap water purification system.

[0042] like Figure 1As shown, a membrane tap water purification system comprises a raw water tank 1, a flocculation device 2, a filtration device 11, an ultrafiltration membrane device 12, a disinfection device 13 and a water storage tank 14 connected in sequence. The raw water tank 1, the flocculation device 2, the filtration device 11, the ultrafiltration membrane device 12, the disinfection device 13 and the water storage tank 14 are connected by pipelines, and valves and pumps are installed on the pipelines; the filtering method of the filtration device 11 can be to filter the tap water using a granular filter layer such as quartz sand. The disinfection method of the disinfection device 13 is ultraviolet disinfection. The tap water in the raw water tank 1 enters the flocculation device 2, where the flocculant flocculates the heavy metals and other impurities in the tap water into large flocs, which are removed for the first time in the flocculation device 2; then the tap water enters the filtration device 11, which removes the flocs remaining in the tap water for a second time; then the tap water enters the ultrafiltration membrane device 12, which removes the particles, suspended matter, colloids, bacteria, viruses and other pollutants in the tap water. Finally, the tap water enters the disinfection device 13 for ultraviolet disinfection, and then enters the water storage tank 14 for storage.

[0043] like Figure 2 and Figure 3 As shown, the flocculation device 2 in this embodiment includes a flocculation barrel 21 and a disturbance plate 22. The flocculation barrel 21 is a round barrel and a mounting frame 23 is fixedly connected to the bottom end. A rotating base shaft 24 is rotatably connected to the inner bottom wall of the flocculation barrel 21. The rotating base shaft 24 and the flocculation barrel 21 share a central axis and the axis is vertical. The rotating base shaft 24 is vertically arranged and the bottom end extends out of the flocculation barrel 21. The rotating base shaft 24 and the flocculation barrel 21 are sealed and connected. A driving device 3 is installed on the mounting frame 23, and the driving device 3 is connected to the bottom end of the rotating base shaft 24. The disturbance plate 22 is installed on the rotating base shaft 24. There are two pairs of disturbance plates 22 in this embodiment. Each pair of disturbance plates 22 has two disturbance plates 22 and is adjacently arranged along the circumference of the rotating base shaft 24. In this embodiment, a flocculant discharge assembly 6 is installed on the flocculation barrel 21, and the flocculant discharge assembly 6 is arranged corresponding to each pair of disturbance plates 22. The flocculant discharge assembly 6 is located in the middle of the two disturbance plates 22 in each pair along the circumference of the rotating base shaft 24. A water inlet assembly 7 is connected between the flocculation barrel 21 and the raw water tank 1, and a drainage assembly 73 is connected between the flocculation barrel 21 and the filtering device 11. At the same time, a flocculant delivery device 8 is installed on the flocculation barrel 21.

[0044] The water inlet assembly 7 in this embodiment includes a water inlet pipe 71 and a water inlet pump 72. One end of the water inlet pipe 71 is connected to the raw water tank 1. A control valve is installed on the water inlet pipe 71. The other end of the water inlet pipe 71 is connected to the side wall of the flocculation barrel 21 through the water inlet pump 72. The drainage assembly 73 includes a drainage pipe 74 connected to the bottom wall of the flocculation barrel 21. A valve is installed on the drainage pipe 74. The drainage pipe 74 is located between two adjacent disturbance plates 22 of different pairs. The drainage pipe 74 is connected to the ultrafiltration membrane device 12 through a pump.

[0045] like Figure 3 and Figure 4 As shown, four rotating ring grooves 26 are provided on the circumferential wall of the rotating base shaft 24, and a rotating ring seat 27 is fixedly connected to the vertical end wall on the end wall of each disturbance plate 22. The rotating ring seat 27 and the rotating ring groove 26 are arranged one by one, and the rotating ring seat 27 is rotatably connected to the groove wall of the corresponding rotating ring groove 26, and the side wall of the rotating ring seat 27 is in contact with the groove wall of the rotating ring groove 26; at the same time, the outer ring wall of the rotating ring seat 27 is flush with the outer circumferential wall of the rotating base shaft 24, and the bottom wall of the disturbance plate 22 and the side wall away from the rotating base shaft 24 are in contact with the inner circumferential wall of the flocculation barrel 21. A driving assembly 4 is connected between the rotating ring seat 27 and the rotating base shaft 24.

[0046] like Figure 4 and Figure 5 As shown, the disturbance plate 22 is provided with disturbance grooves 28, and the number and size of the disturbance grooves 28 can be set according to actual conditions. For the convenience of display, the disturbance grooves 28 of this embodiment are arranged in two rows, and each row of the disturbance plate 22 has four disturbance grooves 28 arranged in the vertical direction, and the lowest disturbance groove 28 extends to the bottom of the disturbance plate 22. The disturbance plate 22 is provided with a receiving groove 25 corresponding to the disturbance groove 28 one by one, and the receiving groove 25 is connected with the disturbance groove 28 and is located on both sides of the disturbance groove along the radial direction of the rotating base shaft 24. A flocculant filter 221 is slidably connected to the groove wall of the receiving groove 25, and the flocculant filter 221 slides radially along the rotating base shaft 24 and is fixedly connected to the peripheral wall with a sealing plate 222, and the sealing plate 222 is fitted with the groove wall of the receiving groove 25, and a driving component 5 for driving the flocculant filter 221 to slide is provided on the disturbance plate 22. Each sealing plate 222 is fixedly connected with a closing plate 223, which is located at a point of the flocculent filter 221 close to the rotating base shaft 24 and is slidably arranged on the wall of the receiving groove 25. In order to reduce the entry of debris into the receiving groove 25, a scraping plate can be fixedly connected to the wall of the disturbance plate 22 where the displacement groove is located.

[0047] The water inlet assembly 7 is started, and the tap water enters the flocculation barrel 21. The flocculant delivery device 8 is started, and the flocculant delivery device 8 adds flocculant to the flocculation barrel 21. Initially, two disturbance plates 22 of different pairs are arranged close to each other, and then the driving device 3 is started, and the rotating base shaft 24 drives the two disturbance plates 22 to rotate, and the tap water flows between the disturbance grooves 28, and the tap water and the flocculant are fully mixed. The flocculant flocculates the impurities in the tap water and forms a large volume of flocs. After a period of time, the rotation of the rotating base shaft 24 is stopped, the driving assembly 4 is started, the two disturbance plates 22 of the same pair are opposite to each other and rotate in the direction toward the floc discharge assembly 6, and the driving assembly 5 is started at the same time, the floc filter 221 and the closing plate 223 slide until the floc filter 221 and the disturbance groove 28 are opposite to each other, and the floc filter 221 stops sliding, and then the two disturbance plates 22 move toward the floc discharge assembly 6 while the floc filter 221 filters the flocs; after a period of time, the driving assembly 5 is started again, the floc filter 221 slides, and the closing plate 223 and the disturbance groove 28 are opposite to each other. At this time, the flocs are gathered between the two disturbance plates 22; the corresponding floc discharge assembly 6 is started to discharge the flocs. The floc discharge operation can be performed multiple times, and finally the flocculated tap water is discharged to the filter device 11 using the drainage assembly 73.

[0048] like Figure 6 and Figure 7As shown, the flocculant delivery device 8 includes a storage box 81 and a partition plate 82. A support frame 83 is fixedly connected to the outer wall of the flocculation barrel 21. The top of the support frame 83 is located above the barrel mouth of the flocculation barrel 21. The storage box 81 is fixedly connected to the top of the support frame 83 and is cylindrical. A base column 84 is rotatably connected to the center of the bottom wall of the storage box 81. A driving member 85 for driving the base column 84 to rotate is provided on the storage box 81. In this embodiment, there are four partition plates 82 and they are evenly distributed on the circumferential wall of the base column 84. The circumferential wall and the bottom wall of the storage box 81 are both in contact with the partition plates 82. A storage cavity 86 is formed between two adjacent partition plates 82 and the inner wall of the storage box 81. A delivery slot 87 is provided on the bottom wall of the storage box 81, and the delivery slot 87 is connected to a storage cavity 86. The storage box 81 is also provided with a feeding assembly 88, which includes a storage box 881 and a baffle 882. The bottom end of the storage box 881 is integrally connected to the top wall of the storage box 81 and communicates with the storage box 81. In order to reduce the entry of debris into the storage box 881, a cover plate can be installed on the top of the storage box 881. The baffle 882 is fixedly connected to the bottom end of the peripheral wall of the storage box 881, and the bottom wall of the baffle 882 is rotatably connected to the top of the base column 84. The baffle 882 is provided with a feeding slot 883, which is communicated with one of the storage chambers 86, and the delivery slot 87 and the feeding slot 883 are staggered. In addition, in the present embodiment, a guide plate 89 is fixedly connected to the top wall of the baffle 882, and one end of the guide plate 89 connected to the feeding slot 883 is tilted downward.

[0049] The driving component 85 in this embodiment includes a servo motor 851 fixedly connected to the outer bottom wall of the storage box 81, the driving end of the servo motor is fixedly connected to a driving gear 852, the bottom end of the base column 84 extends out of the storage box 81 and is fixedly connected to a linkage gear 853, and the driving gear 852 and the linkage gear 853 are meshed.

[0050] The flocculant is stored in the storage box 881. Under the action of the guide plate 89, the flocculant in the storage box 881 enters the corresponding storage cavity 86 through the delivery slot 87. Then the servo motor 851 is started, and the base column 84 drives the partition plate 82 to rotate. Thus, the baffle 882 can close the storage cavity 86 that is already filled with flocculant, and then load the next storage cavity 86. At the same time, the storage cavity 86 opposite to the delivery slot 87 can deliver the flocculant in the storage cavity 86 into the flocculation barrel 21.

[0051] like Figure 8 and Fig. 9 As shown, the driving device 3 in this embodiment includes a driving shaft 31, a driving motor 32 is fixedly connected to the mounting frame 23, the driving shaft 31 is fixedly connected to the driving end at the top of the driving motor 32, a rotating through slot 33 is provided at the bottom of the rotating base shaft 24, and the driving shaft 31 is rotatably connected to the groove wall of the rotating through slot 33. In addition, a linkage assembly 9 is arranged on the driving shaft 31.

[0052] The linkage assembly 9 includes a linkage plug rod 91, a reset spring 92 and a linkage electromagnet 93. A linkage through groove 94 is provided on the outer peripheral wall of the rotating base shaft 24 extending out of the flocculation barrel 21. The linkage through groove 94 is connected to the rotating through groove 33 along the radial direction of the rotating base shaft 24. The linkage plug rod 91 is connected to the groove wall of the linkage through groove 94 by sliding along the radial direction of the rotating base shaft 24. A linkage slide groove 95 is provided on the top wall of the groove wall of the linkage through groove 94. A linkage magnetic block 96 is fixedly connected to the rod wall of the linkage plug rod 91. The linkage magnetic block 96 and the linkage slide groove 95 are connected by sliding along the radial direction of the rotating base shaft 24. The linkage electromagnet 93 is fixedly connected to the groove wall of the linkage slide groove 95 away from the driving shaft 31. The linkage electromagnet 93 and the linkage magnetic block 96 are opposite to each other along the sliding direction of the linkage plug rod 91. The reset spring 92 is fixedly connected between the end of the linkage magnetic block 96 away from the linkage electromagnet 93 and the groove wall of the linkage slide groove 95. A fixed slot 97 is provided on the side wall opposite to the driving shaft 31 and the linkage slot 94, and the linkage rod 91 is inserted into the fixed slot 97 and fits against the slot wall of the fixed slot 97. A linkage block 98 is fixedly connected to the outer bottom wall of the flocculation barrel 21, and a linkage slot 99 is provided on the side wall of the linkage block 98, and the linkage slot 99 and the linkage slot 94 are radially opposite to each other along the rotating base shaft 24.

[0053] Under the elastic force of the reset spring 92 , the linkage rod 91 is inserted into the fixed slot 97 , and the drive motor 32 is started. Driven by the linkage rod 91 , the drive shaft 31 can drive the rotating base shaft 24 to rotate, so that the rotating base shaft 24 drives the disturbance plate 22 to rotate.

[0054] like Fig.10 , Fig.11 and Fig.12As shown, the driving assembly 4 in this embodiment includes a guide ball 41 and a driving rod 42. A driving cavity 48 is provided in the rotating base shaft 24. The rotating through groove 33 communicates with the driving cavity 48. The driving shaft 31 extends into the driving cavity 48 through the rotating through groove 33 and is rotatably connected to the rotating base shaft 24. A rotating arc groove 43 is provided on the radial circumferential groove wall of each rotating ring groove 26. The rotating arc groove 43 communicates with the driving cavity 48. A rotating block 44 is fixedly connected to the inner wall of the rotating ring seat 27. The rotating block 44 passes through the rotating arc groove 43 and extends into the driving cavity 48. The rotating block 44 and the groove wall of the rotating arc groove 43 are slidably connected along the circumferential direction of the rotating base shaft 24. The guide ball 41 is rotatably connected to one end of the rotating block 44 extending into the driving cavity 48; the driving rod 42 is a round rod, and a sliding block 45 is integrally connected to the side wall of the driving rod 42. The sliding block 45 is arranged on the cavity wall of the driving cavity 48 along the axial sliding of the rotating base shaft 24. The driving rod 42 and the rotating base shaft 24 share a central axis, and a sliding assembly 46 for driving the driving rod 42 to slide is arranged on the rotating base shaft 24. The sliding assembly 46 in this embodiment includes a feed screw sleeve 461, which is fixedly connected to one end of the driving shaft 31 extending into the driving cavity 48, and the bottom end of the driving rod 42 is threadedly connected to the inner circumferential wall of the feed screw sleeve 461.

[0055] A thread groove 47 is provided on the outer peripheral wall of the driving rod 42. The thread groove 47 and the disturbance plate 22 are arranged one by one, and the spiral directions of the thread grooves 47 corresponding to the two disturbance plates 22 in each pair of disturbance plates 22 are opposite. The guide ball 41 is inserted into the corresponding thread groove 47 and fits with the groove wall of the thread groove 47.

[0056] The rotating base shaft 24 stops rotating, at which time the linkage through slot 94 and the linkage slot 99 are opposite, the linkage electromagnet 93 is energized, the linkage electromagnet 93 attracts the linkage magnetic block 96, the linkage plug rod 91 is away from the fixed slot 97, and the end of the linkage plug rod 91 away from the rotating base shaft 24 is inserted into the linkage slot 99 and fits with the slot wall of the linkage slot 99. Start the drive motor 32, the drive shaft 31 drives the feed screw sleeve 461 to rotate, and the drive rod 42 is threadedly fed on the feed screw sleeve 461, so that the drive rod 42 can be raised and lowered. Under the guidance of the groove wall of the threaded groove 47, the guide ball 41 rotates along the circumferential direction of the rotating base shaft 24 on the rotating arc groove 43. Thus, the two disturbance plates 22 in each pair rotate relative to each other toward the flocculant discharge assembly 6.

[0057] like Fig.10 , Fig.12 and Fig.13As shown, in this embodiment, the driving assembly 5 includes a driving ball 51 and a linkage rod 52. A sliding cavity 53 communicating with the receiving groove 25 is provided in the disturbance plate 22. The sliding cavity 53 is located on the side of the receiving groove 25 close to the rotating base shaft 24. The linkage rod 52 is slidably arranged on the cavity wall of the sliding cavity 53 along the radial direction of the rotating base shaft 24, and the linkage rod 52 is connected to the closing plate 223. A clearance cavity 54 is provided in the rotating ring seat 27, and a feed groove 55 is provided in the disturbance plate 22 and the rotating ring seat 27. One end of the feed groove 55 is communicated with the sliding cavity 53 along the radial direction of the rotating base shaft 24, and the other end is communicated with the clearance cavity 54. A linkage block 56 is fixedly connected to the linkage rod 52, and the linkage block 56 extends into the clearance cavity 54 through the feed groove 55, and the linkage block 56 is slidably arranged on the groove wall of the feed groove 55 along the radial direction of the rotating base shaft 24. A reversing groove 57 is formed on the horizontal cavity wall of the clearance cavity 54 , and the reversing groove 57 penetrates the axial side wall of the rotating ring seat 27 .

[0058] The first guide groove 261 and the second guide groove 262 are provided on the groove walls opposite to the rotating ring groove 26 and the reversing groove 57. The first guide groove 261 and the second guide groove 262 are both deviated from the circumferential direction and radial direction of the rotating ring seat 27. The first guide groove 261 is located on the side of the second guide groove 262 facing the center of the rotating base shaft 24. The first guide groove 261 and the second guide groove 262 are arranged in parallel. A buffer arc groove 263 is also provided on the groove wall of the rotating ring groove 26. The buffer arc groove 263 and the rotating base shaft 24 share a central axis. One end of the buffer arc groove 263 is connected to the first guide groove 261, and the other end of the buffer arc groove 263 is connected to the second guide groove 262. One end of the linkage block 56 extending into the yielding cavity 54 is fixedly connected to the reversing base 58, and the reversing base 58 extends into the reversing groove 57. The driving ball 51 is rotatably connected to the reversing base 58, and the driving ball 51 is inserted into the first guide groove 261 and fits with the first guide groove 261.

[0059] When the disturbance plate 22 rotates relative to the rotating base shaft 24, the rotating ring seat 27 rotates relative to the rotating ring groove 26, and the driving ball 51 rolls along the groove wall of the first guide groove 261, so that the reversing base 58 moves a distance toward the disturbance plate 22 along the radial direction of the rotating base shaft 24, so that the linkage block 56 drives the linkage rod 52 to move, and the linkage rod 52 drives the flocculant filter 221 to move. When the driving ball 51 enters the buffer arc groove 263, the flocculant filter 221 just closes the disturbance groove 28. Then the driving ball 51 rolls in the buffer arc groove 263, the linkage block 56 does not move along the radial direction of the rotating base shaft 24, and the flocculant filter 221 filters flocculants normally. When the two disturbance plates 22 move to the specified position, the driving ball 51 enters the second guide groove 262. Under the action of the second guide groove 262, the reversing base 58 moves a distance toward the disturbance plate 22 along the radial direction of the rotating base shaft 24. When the driving ball 51 moves a specified distance in the second guide groove 262, the closing plate 223 can be opposite to the disturbance groove 28. Therefore, the sliding distance of the floc filter 221, the length of the first guide groove 261 and the second guide groove 262 along the radial direction of the rotating base shaft 24 are adapted, and the specific size can be set according to the working conditions.

[0060] like Fig.14 As shown, the flocculant discharge assembly 6 in this embodiment includes a sedimentation tank 61 and a discharge pipe 62. The discharge pipe 62 and each pair of disturbance plates 22 are arranged one by one. The discharge pipe 62 is connected to the bottom wall of the flocculation barrel 21, and the discharge pipe 62 is installed in the flocculation barrel 21 at the middle position of the two disturbance plates 22 in each pair along the circumference of the rotating base shaft 24. A valve is also installed on the discharge pipe 62. The ends of the two discharge pipes 62 away from the flocculation barrel 21 are connected to the sedimentation tank 61 through a pump; at the same time, in order to reduce waste, a circulation pipe can be connected to the sedimentation tank 61, and the other end of the circulation pipe is connected to the flocculation barrel 21 through a pump. The discharge pipe 62 can discharge the flocculants into the sedimentation tank 61. After the flocculants are precipitated for a period of time, the upper clear liquid is sent back to the flocculation barrel 21 through the circulation pipe for circulation.

[0061] The implementation principle of a membrane tap water purification treatment system of the present application embodiment is as follows: the tap water in the raw water tank 1 is added to the flocculation barrel 21 through the water inlet pipe 71, and then the flocculant is added to the flocculation barrel 21. Make sure that the linkage plug rod 91 is inserted into the fixed slot 97, start the drive motor 32, and the rotating base shaft 24 drives the disturbance plate 22 to rotate, and the tap water and the flocculant are fully mixed to generate floccules. After a period of time, the rotation of the rotating base shaft 24 is stopped, the linkage electromagnet 93 is energized to attract the linkage magnetic block 96, and the linkage plug rod 91 is inserted into the linkage slot 99. Start the drive motor 32, the feed screw sleeve 461 rotates, the drive rod 42 is threaded and raised and lowered, and the rotating ring seat 27 drives the disturbance plate 22 to rotate. The two disturbance plates 22 in each pair rotate relative to each other toward the corresponding discharge pipe 62. In this process, the flocculant filter 221 first closes the disturbance slot 28. After a period of time, the closing plate 223 closes the disturbance slot 28 and turns off the drive motor 32. The flocculants are discharged into the sedimentation tank 61 by the discharge pipe 62. Then the tap water is discharged into the filter device 11 by the drain pipe 74, and then the tap water is purified by the ultrafiltration membrane device 12 and the disinfection device 13, and then enters the water storage tank 14 for storage.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A membrane tap water purification system, characterized in that: The invention comprises a raw water tank (1), a flocculation device (2), an ultrafiltration membrane device (12), a disinfection device (13) and a water storage tank (14) which are connected in sequence. The flocculation device (2) comprises a flocculation barrel (21) and a disturbance plate (22). A rotating base shaft (24) is rotatably connected inside the flocculation barrel (21). The flocculation barrel (21) is provided with a driving device (3) for driving the rotating base shaft (24) to rotate. There are at least two pairs of disturbance plates (22). The at least two pairs of disturbance plates (22) are arranged on the rotating base shaft (24). The rotating base shaft (24) is provided with a driving assembly (4) for bidirectional rotation of each pair of disturbance plates (22) on the rotating base shaft (24) or for fixing the disturbance plates (22) on the rotating base shaft (24). The inner peripheral wall of the flocculation barrel (21) and the rotating base shaft (24) are connected to the inner peripheral wall of the flocculation barrel (21) and the rotating base shaft (24). The outer peripheral walls are all in contact with the end walls of the disturbance plate (22); the disturbance plate (22) is provided with a plurality of disturbance grooves (28) penetrating therethrough; the disturbance plate (22) is movably provided with a floc filter (221) and a closing plate (223) for closing the disturbance groove (28); the disturbance plate (22) is provided with a driving component (5) for driving the floc filter (221) and the closing plate (223) to move; the flocculation barrel (21) is provided with a floc discharge component (6), the floc discharge component (6) being located between the two disturbance plates (22) of each pair of the disturbance plates (22); the flocculation barrel (21) is also provided with a drainage component (73) and a water inlet component (7), the water inlet component (7) being connected to the raw water tank (1), and the drainage component (73) being connected to the ultrafiltration membrane device (12); The rotating base shaft (24) is provided with a rotating ring groove (26), and the end wall of the disturbance plate (22) is provided with a rotating ring seat (27), the rotating ring seat (27) is rotatably connected to the groove wall of the rotating ring groove (26) and is in close contact with the groove wall of the rotating ring groove (26), and the outer ring wall of the rotating ring seat (27) is flush with the outer peripheral wall of the rotating base shaft (24); The driving assembly (4) comprises a guide ball (41) and a driving rod (42); a driving cavity (48) is arranged in the rotating base shaft (24); a rotating arc groove (43) communicating with the driving cavity (48) is arranged on the groove wall of the rotating ring groove (26); a rotating block (44) is arranged on the rotating ring seat (27); the rotating block (44) passes through the rotating arc groove (43) and extends into the driving cavity (48); the rotating block (44) and the groove wall of the rotating arc groove (43) are slidably connected; the guide ball (41) is rotatably connected to one end of the rotating block (44) extending into the driving cavity (48); the driving rod (42) is arranged along the rotating base shaft ( The axial sliding of the driving rod (42) is arranged on the wall of the driving cavity (48), and the rotating base shaft (24) is provided with a sliding assembly (46) for driving the driving rod (42) to slide; the driving rod (42) is a round rod and has a common central axis with the rotating base shaft (24); a thread groove (47) is arranged on the outer peripheral wall of the driving rod (42); the thread groove (47) and the disturbance plate (22) are arranged one by one, and the thread grooves (47) corresponding to the two disturbance plates (22) in each pair of the disturbance plates (22) have opposite spiral directions, and the guide ball (41) is inserted into the corresponding thread groove (47) and fits with the groove wall of the thread groove (47); The disturbance plate (22) is provided with a receiving groove (25), the receiving groove (25) and the disturbance groove (28) are communicated with each other, a sealing plate (222) is provided on the peripheral wall of the floc filter (221), the floc filter (221) is slidably arranged on the groove wall of the receiving groove (25) along the radial direction of the rotating base shaft (24), the sealing plate (222) and the groove wall of the receiving groove (25) are in contact, the closing plate (223) and the floc filter (221) are arranged in a one-to-one correspondence and connected to the sealing plate (222), the closing plate (223) is slidably arranged on the groove wall of the receiving groove (25), and all the closing plates (223) are located on the same side of the floc filter (221) along the radial direction of the rotating base shaft (24); The driving assembly (5) comprises a driving ball (51) and a linkage rod (52); a sliding cavity (53) communicating with the accommodating groove (25) is arranged in the disturbance plate (22); the linkage rod (52) is slidingly arranged on the cavity wall of the sliding cavity (53) and connected to the closing plate (223); a clearance cavity (54) is arranged in the rotating ring seat (27); a feeding groove (55) is arranged in the disturbance plate (22) and the rotating ring seat (27); The said letting cavity (54) and the said sliding cavity (53) are both communicated with the said feeding groove (55); the said linkage rod (52) is provided with a linkage block (56), the said linkage block (56) extends into the said letting cavity (54) through the feeding groove (55), the said linkage block (56) is provided on the groove wall of the said feeding groove (55) along the radial direction of the said rotating base shaft (24); the said letting cavity (54) is provided with a reversing groove (57), the said reversing groove (57) ) penetrates the axial side wall of the rotating ring seat (27); a first guide groove (261) and a second guide groove (262) are arranged on the groove walls opposite to the rotating ring groove (26) and the reversing groove (57); the first guide groove (261) and the second guide groove (262) are both deviated from the circumferential direction and radial direction of the rotating ring seat (27); the first guide groove (261) and the second guide groove (262) have the same inclination direction; a buffer arc groove (263) is arranged between the groove walls of the first guide groove (261) and the second guide groove (262); the buffer arc groove (263) and the rotating ring seat (27) share a central axis; a reversing base (58) is arranged at one end of the linkage block (56) extending into the give way cavity (54); the driving ball (51) is rotatably connected to the reversing base (58); the driving ball (51) is inserted into the first guide groove (261) and fits with the first guide groove (261).

2. A membrane tap water purification system according to claim 1, characterized in that: The driving device (3) comprises a driving shaft (31), the bottom end of the flocculation barrel (21) is connected to a mounting frame (23), a driving motor (32) is arranged on the mounting frame (23), the driving shaft (31) is fixedly connected to the driving end of the driving motor (32), the bottom end of the rotating base shaft (24) passes through the bottom wall of the flocculation barrel (21) and is rotatably connected to the bottom wall of the flocculation barrel (21), the bottom wall of the rotating base shaft (24) is provided with a rotating through groove (33) which is in communication with the driving cavity (48), and the driving shaft (31) extends into the driving cavity (48) through the rotating groove (33) and is rotatably connected to the rotating base shaft (24); the sliding component (46) includes a feed screw sleeve (461), and the feed screw sleeve (461) is arranged at one end of the driving shaft (31) extending into the driving cavity (48), the bottom end of the driving rod (42) is threadedly connected to the inner wall of the feed screw sleeve (461), and a linkage component (9) is arranged between the flocculation barrel (21) and the driving shaft (31) and the rotating base shaft (24).

3. A membrane tap water purification system according to claim 2, characterized in that: The linkage assembly (9) comprises a linkage rod (91), a return spring (92) and a linkage electromagnet (93); a linkage slot (94) is arranged on the outer peripheral wall of the rotating base shaft (24) extending out of the flocculation barrel (21); the linkage slot (94) and the rotating slot (33) are in communication; the linkage rod (91) is slidably connected to the slot wall of the linkage slot (94); a linkage slide slot (95) is arranged on the slot wall of the linkage slot (94); a linkage magnetic block (96) is arranged on the linkage rod (91); the linkage magnetic block (96) and the linkage slide slot (95) are slidably connected; the linkage electromagnet (93) is arranged on the slot wall of the linkage slide slot (95); The linkage electromagnet (93) and the linkage magnetic block (96) are opposite to each other along the sliding direction of the linkage insertion rod (91), and the reset spring (92) is arranged between the end of the linkage magnetic block (96) away from the linkage electromagnet (93) and the groove wall of the linkage sliding groove (95); a fixed card groove (97) is arranged on the side wall opposite to the driving shaft (31) and the linkage through groove (94), the linkage insertion rod (91) is inserted into the fixed card groove (97) and fits with the groove wall of the fixed card groove (97), a linkage card block (98) is arranged on the outer bottom wall of the flocculation barrel (21), and a linkage card groove (99) is arranged on the side wall opposite to the linkage card block (98) and the linkage through groove (94).

4. A membrane tap water purification system according to claim 1, characterized in that: The flocculant discharge assembly (6) comprises a sedimentation tank (61), a discharge pipe (62) is arranged on the bottom wall of the flocculation barrel (21), the discharge pipe (62) and each pair of the disturbance plates (22) are arranged one by one, the discharge pipe (62) is arranged in the flocculation barrel (21) at the middle position of the two disturbance plates (22) in each pair along the circumference of the rotating base shaft (24), and the discharge pipe (62) is connected to the sedimentation tank (61).

5. The membrane tap water purification system according to claim 1, characterized in that: The flocculation barrel (21) is provided with a flocculant delivery device (8), and the flocculant delivery device (8) comprises a storage box (81) and a partition plate (82). The storage box (81) is arranged above the flocculation barrel (21), and the inner peripheral wall of the storage box (81) is a circumferential side wall. A base column (84) is rotatably connected inside the storage box (81), and a driving member (85) for driving the base column (84) to rotate is provided on the storage box (81). There are a plurality of partition plates (82) that are evenly distributed on the circumferential wall of the base column (84). The circumferential wall and the bottom wall of the storage box (81) are both in contact with the partition plates (82). A delivery slot (87) is provided on the bottom wall of the storage box (81), and the delivery slot (87) is located between two adjacent partition plates (82). A feeding assembly (88) is also provided on the storage box (81).

6. A membrane tap water purification system according to claim 5, characterized in that: The feeding assembly (88) comprises a material storage box (881) and a baffle (882); the material storage box (881) is arranged on the top wall of the storage box (81) and is connected to the storage box (81); the baffle (882) is arranged at the bottom end of the peripheral wall of the material storage box (881); the baffle (882) is rotatably connected to the top end of the base column (84); a feeding slot (883) is penetrated by the baffle (882); the feeding slot (883) is located between two adjacent partition plates (82); and the feeding slot (87) and the feeding slot (883) are staggered.

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