Integrated sewage treatment equipment

Abstract

The application relates to the technical field of sewage treatment equipment, in particular to an integrated sewage treatment equipment which comprises a treatment box body and an MBR membrane pool arranged in the treatment box body, an MBR membrane assembly is arranged in the MBR membrane pool, the MBR membrane assembly comprises an upper mounting ring fixed on a mounting rack, a connecting rod fixed on the upper mounting ring and a lower mounting ring fixed on the connecting rod, a plurality of hollow fiber tubes are arranged between the upper mounting ring and the lower mounting ring, a cleaning ring for scraping off impurities on the surfaces of the hollow fiber tubes is slidably connected to the connecting rod; the blocking assembly comprises a blocking film fixed on the upper mounting ring, after the upper blocking film and the lowermost cleaning ring are fixed, the blocking film is sleeved on the hollow fiber tubes, when the cleaning ring moves upwards to scrape off the impurities on the surfaces of the hollow fiber tubes, the scraped-off impurities are left in the blocking film. The application has the effect of improving the sewage treatment efficiency.

Description

Technical Field

[0001] This application relates to the technical field of wastewater treatment equipment, and in particular to an integrated wastewater treatment equipment. Background Technology

[0002] In today's era of rapid industrialization and urbanization, wastewater treatment is crucial for environmental protection and the sustainable use of water resources. While traditional centralized wastewater treatment methods have achieved some success, their drawbacks are evident. Their construction requires large-scale civil engineering and complex pipe networks, resulting in high costs, difficult operation and maintenance, and poor flexibility, making them unsuitable for adapting to urban expansion and changes. Long-distance wastewater transportation not only consumes significant energy but can also cause secondary pollution, negatively impacting the surrounding environment. Therefore, integrated wastewater treatment equipment has emerged as a promising solution. It integrates multiple processes, is compact and modular in design, facilitating transportation and installation. It can be flexibly combined as needed, and its high degree of automation simplifies operation and maintenance, reducing manpower input. Simultaneously, it effectively reduces energy consumption during wastewater transportation, contributing to energy conservation and emission reduction.

[0003] For example, Chinese patent document CN215516826U discloses an integrated domestic water treatment device, including a main body of the device. An inlet pipe is connected through and fixedly connected to the upper left side surface of the main body, and an outlet pipe is connected through and fixedly connected to the upper right side surface of the main body. A first feed inlet is connected through and fixedly installed on the upper surface of the main body, and a second feed inlet is connected through and fixedly installed to the right of the first feed inlet on the upper surface of the main body. A third feed inlet is connected through and fixedly installed to the right of the second feed inlet on the upper surface of the main body, and a fourth feed inlet is connected through and fixedly installed to the right of the third feed inlet on the upper surface of the main body. The aeration... An aeration pipe is fixedly connected to the lower end of the pump. A nutrient tank is installed on the upper part of the main body of the equipment, to the right of the second inlet. An electric butterfly valve is installed at the lower end of the nutrient tank. A sludge pump is installed on the upper surface of the main body of the equipment, to the left front of the third inlet. A first sludge pipe is connected to the left end of the sludge pump. A second sludge pipe is connected to the lower surface of the first sludge pipe. A third sludge pipe is connected to the lower end of the sludge pump. An anoxic tank is installed on the left side inside the main body of the equipment. An aerobic tank is installed to the right of the anoxic tank inside the main body of the equipment. An MBR membrane tank is installed to the right of the aerobic tank inside the main body of the equipment. A clear water tank is installed to the right of the MBR membrane tank inside the main body of the equipment.

[0004] In the aforementioned technologies, wastewater sequentially enters an anoxic tank and an aerobic tank. An aeration pump aerates the interior of the aerobic tank. The treated wastewater then enters the MBR membrane tank, where it is filtered through the MBR membrane. Active bacterial flocs in the wastewater are trapped, further purifying the wastewater. Once it meets standards, it is discharged into a clear water tank for final discharge. During long-term use, the MBR membrane requires regular cleaning by staff. There are generally two cleaning methods: one is to remove the MBR membrane from the wastewater treatment equipment and clean it externally using cleaning equipment before reinstalling it; the other method is to clean the surface of the MBR membrane through backwashing. However, during cleaning, the entire wastewater treatment equipment needs to be shut down, resulting in a decrease in treatment efficiency. Summary of the Invention

[0005] This application provides an integrated wastewater treatment device, which aims to solve the problem of declining wastewater treatment efficiency in related technologies.

[0006] The integrated wastewater treatment equipment provided in this application adopts the following technical solution:

[0007] An integrated wastewater treatment device includes a treatment tank and an anoxic tank, an aerobic tank, and an MBR membrane tank disposed within the treatment tank. The MBR membrane tank contains an MBR membrane module. Each MBR membrane module includes an upper mounting ring fixed to a mounting frame, a connecting rod fixed to the upper mounting ring, and a lower mounting ring fixed to the connecting rod. Multiple hollow fiber tubes are disposed between the upper and lower mounting rings. A cleaning ring for scraping impurities from the surface of the hollow fiber tubes is slidably connected to the connecting rod. The multiple hollow fiber tubes pass through the cleaning ring, which slides between the upper and lower mounting rings. A blocking component is disposed on the upper mounting ring to block impurities scraped from the surface of the hollow fiber tubes. The blocking component includes a blocking membrane fixed to the upper mounting ring. A fixing component is disposed on the cleaning ring to fix the blocking membrane to the lowermost cleaning ring. After the upper blocking membrane is fixed to the lowermost cleaning ring, the blocking membrane is fitted onto the hollow fiber tubes. When the cleaning ring moves upward to scrape impurities from the surface of the hollow fiber tubes, the scraped impurities remain inside the blocking membrane.

[0008] By adopting the above technical solution, when it is necessary to clean the impurities attached to the upper surface of the hollow fiber tube, the end of the barrier membrane away from the upper mounting ring is fixed to the lowest cleaning ring through a fixing component. At this time, the barrier membrane is sleeved on the entire hollow fiber tube. Then, the cleaning ring is moved upward. During the upward movement of the cleaning ring, the impurities on the hollow fiber tube are scraped off. By scraping the hollow fiber tube during the upward movement of the cleaning ring, the blockage of the fiber tube can be reduced. Compared with the existing technology, there is no need to perform reverse cleaning, and there is no need to remove the MBR component from the treatment tank separately. Impurities can be cleaned during the sewage treatment process, thereby improving the efficiency of the entire sewage treatment. In addition, during the scraping process, due to the setting of the barrier membrane, the impurities scraped off by the cleaning ring can be reduced from falling into the MBR membrane tank, and the cleaned impurities can be reduced from re-attaching to the surface of the hollow fiber tube.

[0009] Optionally, a blocking mesh is fixed to one end of the blocking film away from the upper mounting ring, and a connecting ring is fixedly installed at one end of the blocking mesh. The upper mounting ring is provided with a driving component for moving the connecting ring and the blocking mesh up and down. During the upward movement of the connecting ring and the blocking mesh, the scraped impurities are inside the blocking film. A dirt extraction component is provided inside the processing box for extracting the impurities from the cleaning ring and the blocking film.

[0010] By adopting the above technical solution, since a blocking net is fixed at the end of the blocking film away from the upper mounting ring, and a connecting ring is fixed on the blocking net, it is convenient to straighten the folded blocking film on the one hand, and to fix the blocking film on the other hand. At the same time, during the upward movement of the cleaning ring, the blocking net can filter the sewage inside the blocking film, so that the scraped impurities are inside the blocking film. Finally, the scraped impurities are sucked out by the sludge suction component, thus achieving the purpose of cleaning the impurities.

[0011] Optionally, the drive assembly includes a drive ring fixed to the barrier net, a drive screw passing through the drive ring, and a drive motor fixed to the upper mounting ring. The output shaft of the drive motor is fixedly connected to the drive screw, the drive screw is threadedly connected to the drive ring, the drive screw is rotatably connected to the lower mounting ring, and the cleaning ring is sleeved on the connecting rod and slides on the connecting rod.

[0012] By adopting the above technical solution, when it is necessary to clean impurities on the surface of hollow fiber tubes, the drive screw drives the drive ring to move downwards, and then the connecting ring is connected to the cleaning ring through the fixing component. During the reverse rotation of the drive screw, the cleaning ring drives the connecting ring to move upwards, thereby facilitating the movement of the cleaning ring.

[0013] Optionally, the fixing component includes a fixing ring fixed on the cleaning ring, a fixing rod slidably connected to the cleaning ring, and a fixing groove formed on the connecting ring. The cleaning ring is provided with a fixing spring for pushing the fixing rod into the fixing groove. One end of the fixing spring is fixed to the fixing rod, and the other end is fixed to the cleaning ring. During the downward movement of the connecting ring, the fixing groove on the connecting ring will correspond to the fixing rod.

[0014] By adopting the above technical solution, during the process of the drive component moving the connecting ring downward, the fixing groove on the connecting ring will correspond to the fixing rod. When the fixing groove and the fixing rod correspond, the fixing spring pushes the fixing rod to move into the fixing groove, thereby fixing the connecting ring.

[0015] Optionally, the fixing ring is provided with an insertion groove, and the connecting ring is provided with a control slope. During the downward movement of the blocking net and the connecting ring, the connecting ring will be inserted into the insertion groove, and the control slope is used to push the fixing rod to move closer to the center of the cleaning ring; the upper mounting ring is provided with a pushing component for pushing the fixing rod out of the fixing groove.

[0016] By adopting the above technical solution, during the downward movement of the connecting ring, it will move into the insertion slot. Then, the control inclined surface on the connecting ring will push the fixing rod to move closer to the axis of the cleaning ring, which will make way for the downward movement of the connecting ring and finally facilitate the movement of the fixing rod into the fixing slot.

[0017] Optionally, the pushing assembly includes a pushing ring fixed on the upper mounting ring, a pushing rod fixed on the fixing rod, and a pushing inclined surface provided on the pushing ring, the pushing inclined surface being arranged around the pushing ring.

[0018] Optionally, the push rod is provided with an abutment surface, and an abutment ball is rotatably connected to the abutment surface, the abutment ball contacting the push inclined surface.

[0019] Optionally, the outer diameter of the pushing ring is the same as the inner diameter of the barrier net, the inner side of the barrier net abuts against the outer side of the pushing ring, and the pushing rod abuts against the pushing inclined surface during the upward movement of the cleaning ring.

[0020] Optionally, the sludge suction assembly includes a sludge suction pipe mounted on the upper mounting ring and a sludge suction pump fixed on the treatment tank. One end of the sludge suction pipe extends below the upper mounting ring, and the other end extends above the upper mounting ring.

[0021] Optionally, a counterweight for increasing the weight of the cleaning ring is fixedly installed on the cleaning ring.

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

[0023] 1. During the upward movement of the cleaning ring, impurities on the hollow fiber tube are scraped off. By scraping the hollow fiber tube during the upward movement of the cleaning ring, the blockage of the fiber tube can be reduced. Compared with the existing technology, there is no need to perform reverse cleaning, reducing the number of times the MBR component is removed from the treatment tank. Impurities can also be cleaned during the sewage treatment process, thereby improving the efficiency of the entire sewage treatment.

[0024] 2. During the scraping process, the blocking membrane sleeved over the entire hollow fiber tube reduces the amount of impurities scraped off by the cleaning ring from falling into the MBR membrane tank, and also reduces the amount of cleaning impurities from re-adhering to the surface of the hollow fiber tube.

[0025] 3. During the upward movement of the cleaning ring, the blocking net can filter the sewage inside the blocking membrane, so that the scraped impurities are inside the blocking membrane. Finally, the scraped impurities are sucked out by the sludge suction component, thus achieving the purpose of cleaning the impurities. Attached Figure Description

[0026] Figure 1 This is a front view of the processing box according to an embodiment of this application.

[0027] Figure 2 This is a schematic diagram of the overall structure of the MBR membrane device according to an embodiment of this application.

[0028] Figure 3 This is a front view of an MBR membrane assembly according to an embodiment of this application.

[0029] Figure 4 This is a schematic diagram of the upper mounting ring structure according to an embodiment of this application.

[0030] Figure 5 This is a schematic diagram of the lower mounting ring structure according to an embodiment of this application.

[0031] Figure 6 This is a cross-sectional view of the push ring and the connecting ring according to an embodiment of this application.

[0032] Figure 7 yes Figure 6 Enlarged view of point A in the middle.

[0033] Figure 8 This is a cross-sectional view of the fixing ring and the cleaning ring according to an embodiment of this application.

[0034] Figure 9 yes Figure 8 Enlarged view of point B in the middle.

[0035] Reference numerals: 01. Processing tank; 02. MBR membrane unit; 03. Mounting frame; 04. Insertion slot; 1. MBR membrane module; 11. Upper mounting ring; 12. Connecting rod; 13. Lower mounting ring; 14. Outlet pipe; 15. Hollow fiber tube; 2. Cleaning ring; 3. Barrier assembly; 31. Compression ring; 32. Barrier membrane; 33. Barrier mesh; 34. Connecting ring; 4. Fixing assembly; 41. Fixing ring; 42. Fixing rod; 43. Fixing slot; 44. Fixing spring; 5. Drive assembly; 51. Drive ring; 52. Drive screw; 53. Drive motor; 6. Sludge extraction assembly; 61. Sludge extraction pipe; 62. Sludge extraction main pipe; 7. Push assembly; 71. Push ring; 72. Push rod; 73. Pushing ramp; 8. Abutment surface; 9. Abutment ball. Detailed Implementation

[0036] The following combination Figures 1-9 This application will be described in further detail.

[0037] This application discloses an integrated wastewater treatment device. (Refer to...) Figure 1 and Figure 2 An integrated wastewater treatment device includes a treatment tank 01 and an anoxic tank, an aerobic tank, an MBR membrane tank, a clear water tank, and an operating room installed inside the treatment tank 01. An MBR membrane device 02 is installed in the MBR membrane tank. Wastewater first passes through a mechanical screen or sieve to remove large particles such as plastic bags and branches. Then, the wastewater flows into the equalization tank and then sequentially enters the anoxic tank, the aerobic tank, the MBR membrane tank, and the clear water tank. Finally, it is discharged through the clear water tank.

[0038] Throughout the wastewater treatment process, the wastewater in the anoxic and aerobic tanks is treated by aerobic and anaerobic bacteria to remove microorganisms, and then enters the MBR membrane tank. The wastewater is filtered by the MBR membrane device 02 in the MBR membrane tank. An aeration device is installed in the treatment tank 01 to aerate the aerobic tank and the MBR membrane tank. Since the aeration device is existing technology, the specific structure and working principle of the aeration device will not be described in detail in this embodiment.

[0039] Reference Figures 1 to 3The MBR membrane unit 02 includes a mounting frame 03 installed inside the MBR membrane tank and multiple MBR membrane modules 1 mounted on the mounting frame 03. The multiple MBR membrane modules 1 are used to filter wastewater in the MBR membrane tank. The filtered wastewater enters a clear water tank. Each MBR membrane module 1 includes an upper mounting ring 11 fixed to the mounting frame 03, a connecting rod 12 fixed to the upper mounting ring 11, and a lower mounting ring 13 fixed to the connecting rod 12. The upper mounting ring 11 has a cavity, and an outlet pipe 14 is fixedly mounted on the upper mounting ring 11, communicating with the cavity inside the upper mounting ring 11. Multiple hollow fiber tubes 15 are provided between the lower mounting ring 13 and the upper mounting ring 11. One end of each hollow fiber tube 15 is fixed to the lower mounting ring 13, and the other end is fixed to the upper mounting ring 11, and is connected to the cavity inside the upper mounting ring 11. During the wastewater treatment process, the wastewater entering the MBR membrane tank through the aerobic tank will enter the hollow fiber tube 15 through the micropores on the surface of the multiple hollow fiber tubes 15, enter the cavity inside the upper mounting ring 11 through the hollow fiber tube 15, and finally enter the effluent pipe 14 through the cavity of the upper mounting ring 11. The wastewater in the hollow fiber tube 15 is then introduced into the clear water tank through the effluent pipe 14.

[0040] Reference Figures 2 to 5 The connecting rod 12 is rotatably connected to the upper mounting ring 11, and the end of the connecting rod 12 away from the upper mounting ring 11 is provided with an external thread. A threaded hole is provided on the lower mounting ring 13, and the connecting rod 12 is threadedly connected to the lower mounting ring 13 through the threaded hole. Then, the upper mounting ring 11 and the lower mounting ring 13 are connected together by the connecting rod 12. After multiple hollow fiber tubes 15 are installed, the bending of the hollow fiber tubes 15 can be reduced.

[0041] Reference Figures 3 to 8 A cleaning ring 2 is slidably connected to the connecting rod 12. Multiple hollow fiber tubes 15 between the upper mounting ring 11 and the lower mounting ring 13 are inserted through the cleaning ring 2. The cleaning ring 2 slides between the upper mounting ring 11 and the lower mounting ring 13. During the up-and-down movement, the cleaning ring 2 can clean the impurities attached to the surface of the multiple hollow fiber tubes 15 between the upper mounting ring 11 and the lower mounting ring 13, thereby reducing the impurities on the surface of the hollow fiber tubes 15. In the whole sewage treatment process, the need for backwashing and removal for cleaning can be reduced. In addition, sewage can still be treated during the entire cleaning process, thereby improving the sewage treatment efficiency.

[0042] Reference Figures 4 to 9A blocking component 3 is provided on the upper mounting ring 11. The blocking component 3 is used to block impurities scraped off from the surface of the hollow fiber tube 15, thereby reducing the amount of scraped impurities entering the MBR membrane tank. The blocking component 3 includes a clamping ring 31 fixed to the lower surface of the upper mounting ring 11 and a blocking film 32 pressed on the upper mounting ring 11. A blocking net 33 is fixed to one end of the blocking film 32 away from the upper mounting ring 11, and a connecting ring 34 is fixedly installed to one end of the blocking net 33. A fixing component 4 is provided on the cleaning ring 2. The fixing component 4 is used to fix the connecting ring 34 to the cleaning ring 2. In this embodiment, in the initial state, the connecting ring 34 and the blocking net 33 on the connecting ring 34 are positioned at the top, and the blocking film 32 between the blocking net 33 and the upper mounting ring 11 is in a folded state. At this time, sewage can be filtered through multiple hollow fiber tubes 15 between the upper mounting ring 11 and the lower mounting ring 13.

[0043] When it is necessary to clean the impurities attached to the surface of the hollow fiber tube 15, the connecting ring 34 and the blocking mesh 33 on the connecting ring 34 need to be moved towards the lower mounting ring 13. Finally, the connecting ring 34 is fixed to the cleaning ring 2 by the fixing component 4. The blocking membrane 32 is straightened and then covered on multiple hollow fiber tubes 15, so that the connecting ring 34 and the blocking mesh 33 on the connecting ring 34 move in opposite directions. During the reverse movement, the cleaning ring 2 will scrape off the impurities attached to the surface of the hollow fiber tube 15. The impurities that fall off the surface of the hollow fiber tube 15 will enter the blocking membrane 32. The blocking membrane 32 will be gradually folded up. During the upward movement of the cleaning ring 2, the sewage between the upper mounting ring 11 and the lower mounting ring 13 will be squeezed out through the blocking mesh 33 and then the impurities will be left in the blocking membrane 32. After the cleaning ring 2 moves to the top, the scraped impurities will be above the cleaning ring 2, which makes it easier to collect the scraped impurities and reduce the scraped impurities from re-entering the MBR membrane tank.

[0044] Reference Figures 4 to 9 A drive assembly 5 is provided on the upper mounting ring 11. The drive assembly 5 is used to drive the connecting ring 34 and the blocking mesh 33 on the connecting ring 34 to move up and down. During the downward movement of the connecting ring 34 and the blocking mesh 33 on the connecting ring 34, the blocking membrane 32 will be sleeved on the hollow fiber tube 15. When the connecting ring 34 is fixed on the cleaning ring 2 by the fixing assembly 4, the drive assembly 5 drives the connecting ring 34 and the blocking mesh 33 on the connecting ring 34 to move in the opposite direction. During the reverse movement of the connecting ring 34, the connecting ring 34 will drive the cleaning ring 2 to move upward. During the upward movement, the surface of multiple hollow fiber tubes 15 is cleaned. During the cleaning process, the hollow fiber tubes 15 below the cleaning ring 2 that have been cleaned can continue to filter sewage.

[0045] Reference Figures 4 to 9The drive assembly 5 includes a drive ring 51 fixed on the barrier net 33, a drive screw 52 passing through the drive ring 51, and a drive motor 53 fixed on the upper mounting ring 11. The output shaft of the drive motor 53 is fixedly connected to the drive screw 52, ​​and the drive screw 52 is threadedly connected to the drive ring 51. The drive screw 52 is rotatably connected to the lower mounting ring 13. In this embodiment, the outer diameter of the drive ring 51 is larger than the outer diameter of the barrier net 33. The cleaning ring 2 is sleeved on the connecting rod 12 and slides on the connecting rod 12. During the rotation of the drive screw 52 driven by the drive motor 53, the drive screw 52 will drive the drive ring 51 to move. During the movement of the drive ring 51, the barrier net 33 will move. The movement of the barrier net 33 will drive the connecting ring 34 to move. In this embodiment, when the drive motor 53 rotates in the forward or reverse direction, the drive ring 51 can drive the barrier net 33 and the connecting ring 34 to move up and down under the action of the drive screw 52.

[0046] Reference Figures 4 to 9 The fixing component 4 includes a fixing ring 41 fixed to the cleaning ring 2, a fixing rod 42 slidably connected to the cleaning ring 2, and a fixing groove 43 formed on the connecting ring 34. An insertion groove 04 is formed on the fixing ring 41. During the downward movement of the barrier net 33 and the connecting ring 34, the connecting ring 34 inserts into the insertion groove 04, and then the fixing rod 42 inserts into the fixing groove 43. At this time, the fixing component 4 fixes the fixing ring 41 to the connecting ring 34. During the upward movement of the connecting ring 34, the fixing ring 41 and the cleaning ring 2 will move upward. To facilitate the installation of the fixing rod 42, an installation groove is formed on the cleaning ring 2. The fixing rod 42 is set in the mounting groove and slides within it. A fixing spring 44 is provided in the mounting groove, with one end fixed to the fixing rod 42 and the other end fixed to the inner wall of the mounting groove. In this embodiment, the connecting ring 34 is provided with a control slope, which is used to push the fixing rod 42 towards the center of the cleaning ring 2. As the connecting ring 34 is inserted into the insertion groove 04, the fixing spring 44 is gradually compressed. When the fixing rod 42 and the fixing groove 43 on the connecting ring 34 correspond, the fixing spring 44 pushes the fixing rod 42 into the fixing groove 43, thereby fixing the connecting ring 34 onto the fixing ring 41. To improve the connection strength between the connecting ring 34 and the fixing ring 41, multiple fixing components 4 are provided on the cleaning ring 2. The multiple fixing components 4 are spaced apart along the circumference of the cleaning ring 2. In this embodiment, six fixing components 4 are provided.

[0047] Reference Figures 2 to 3Inside the treatment chamber 01, there is a sludge extraction component 6, which is used to extract impurities from the cleaning ring 2. A pushing component 7 is provided on the upper mounting ring 11, which is used to push the fixing rod 42 away from the fixing groove 43. Since the sludge extraction component 6 can extract impurities from the cleaning ring 2, during the reset process of the cleaning ring 2, the scraped impurities are reduced from falling back into the MBR membrane tank.

[0048] Specifically, refer to Figures 2 to 9 After the connecting ring 34 is fixed to the fixed ring 41 by the fixing component 4, the drive screw 52 drives the drive ring 51 to move in the opposite direction. The blocking net 33 on the drive ring 51 and the connecting ring 34 also move in the opposite direction. The connecting ring 34 will drive the fixed ring 41 and the cleaning ring 2 to move upward to clean the impurities on the surface of the hollow fiber tube 15. After the cleaning ring 2 moves upward, the impurities between the cleaning ring 2 and the blocking net 33 are extracted by the sludge extraction component 6. After the impurities on the cleaning ring 2 are extracted, the drive component 5 drives the cleaning ring 2 to continue to move upward. Then the push component 7 will cause the fixing rod 42 to disengage from the fixing groove 43 on the connecting ring 34. Then the cleaning ring 2 moves downward under the action of gravity. Finally, the cleaning ring 2 is reset. When it is necessary to clean the impurities on the surface of the hollow fiber tube 15 again, the above steps are repeated. This can reduce the number of times the MBR membrane module 1 is taken out of the treatment tank 01 and improve the wastewater treatment efficiency of the entire device.

[0049] Reference Figures 2 to 5 The sludge suction assembly 6 includes a sludge suction pipe 61 mounted on the upper mounting ring 11 and a sludge suction pump (not shown in the figure) fixed on the processing housing 01. One end of the sludge suction pipe 61 extends below the upper mounting ring 11, and the other end extends above the upper mounting ring 11. Since multiple MBR membrane modules 1 are provided on the mounting frame 03, each MBR membrane module 1 has one sludge suction pipe 61 mounted on its upper mounting ring 11. One end of the multiple sludge suction pipes 61 extends out of the upper mounting ring 11, and the end extending out of the upper mounting ring 11 is connected to a sludge suction pump. The main pipe 62 is connected to the sludge pump. After the cleaning rings 2 on multiple MBR membrane modules 1 move upward and the corresponding blocking nets 33 are blocked, the sludge pump works to clean the impurities on the multiple cleaning rings 2. After completion, multiple drive motors 53 work simultaneously to drive the drive rings 51 to continue moving upward. Multiple push components 7 push the corresponding fixing rods 42 to move, causing the fixing rods 42 to disengage from the fixing grooves 43. Under the action of gravity, the cleaning rings 2 will fall onto the lowest mounting ring 13.

[0050] As the cleaning ring 2 moves upward, it scrapes off the impurities on the surface of the hollow fiber tube 15. As the cleaning ring 2 falls under gravity, there will be a small amount of impurities on the surface of the hollow fiber tube 15. At this time, a small amount of impurities will also be scraped off. However, the small amount of impurities falling into the MBR membrane tank will have little impact on the wastewater in the MBR membrane tank.

[0051] Reference Figures 6 to 9 The pushing component 7 includes a pushing ring 71 fixed on the upper mounting ring 11, and a pushing rod 72 fixed on the fixing rod 42. Since there are six fixing components 4, there are also six pushing rods 72 in this embodiment. The six pushing rods 72 correspond one-to-one with the six fixing rods 42. A pushing inclined surface 73 is provided on the pushing ring 71. The pushing inclined surface 73 is arranged around the pushing ring 71, and the outer diameter of the pushing ring 71 is the same as the inner diameter of the blocking net 33. The inner side of the blocking net 33 abuts against the outer side of the pushing ring 71. The pushing ring 71 can block the mesh holes on the blocking net 33. After the cleaning ring 2 moves upward and the mesh holes of the blocking net 33 are completely blocked, it is convenient for the sludge extraction component 6 to process the impurities above the cleaning ring 2.

[0052] As the drive screw 52 drives the drive ring 51 to move upward, the push ring 71 gradually seals the mesh holes on the blocking net 33. After the mesh holes on the blocking net 33 are completely sealed, the sludge pump works to clean the impurities on the multiple cleaning rings 2. After completion, multiple drive motors 53 work simultaneously to drive the drive ring 51 to continue moving upward. The push inclined surface 73 on the push ring 71 abuts against the push rod 72, and then pushes multiple push rods 72 to move towards the center of the cleaning ring 2. Finally, the push rod 72 drives the fixed rod 42 to disengage from the fixed groove 43, and the fixed spring 44 is compressed. After multiple fixed rods 42 have disengaged from the fixed groove 43, the cleaning ring 2 moves downward under the action of gravity, which facilitates the subsequent upward movement to clean the impurities on the surface of the hollow fiber tube 15. In this embodiment, in order to increase the falling speed of the cleaning ring 2, a counterweight can be fixedly installed on the cleaning ring 2 to increase the weight of the cleaning ring 2 and make the cleaning ring 2 fall faster.

[0053] During the descent of the cleaning ring 2, in order to reduce the friction between the pushing inclined surface 73 and the pushing rod 72, an abutment surface 8 is provided on the pushing rod 72, and an abutment ball 9 is rotatably connected to the abutment surface 8. The abutment ball 9 contacts the pushing inclined surface 73. After the fixing rod 42 is disengaged from the fixing groove 43, the fixing spring 44 will pull the abutment ball 9 on the pushing rod 72 to abut against the pushing inclined surface 73. Under the action of the abutment ball 9, the friction between the pushing inclined surface 73 and the pushing rod 72 is reduced when the cleaning ring 2 falls, making the descent of the cleaning ring 2 more convenient.

[0054] The implementation principle of the integrated sewage treatment equipment in this application embodiment is as follows: Sewage first passes through a mechanical bar screen or sieve to remove large particles such as plastic bags and branches. Then, the sewage flows into the equalization tank and then sequentially into the anoxic tank, aerobic tank, MBR membrane tank, and clear water tank. Finally, it is discharged through the clear water tank. The sewage entering the MBR membrane tank is filtered through hollow fiber tubes 15 and finally flows into the clear water tank from the outlet pipe 14. During use, impurities will be adsorbed on the surface of the hollow fiber tubes 15. Then, when the drive motor 53 drives the drive screw 52 to rotate, the drive screw 52 will drive the drive ring 51 to move. During the movement of the drive ring 51, the blocking net 33 will move. The movement of the blocking net 33 will drive the connecting ring 34 to move closer to the lower mounting ring 13. The blocking membrane 32 is sleeved on multiple hollow fiber tubes 15.

[0055] As the barrier net 33 and connecting ring 34 move downwards, the connecting ring 34 will be inserted into the insertion slot 04. The control ramp on the connecting ring 34 will push the fixing rod 42 to move closer to the center of the cleaning ring 2. The fixing spring 44 will be gradually compressed. When the fixing slot 43 and the fixing rod 42 correspond, the fixing spring 44 will push the fixing rod 42 to move into the fixing slot 43. The fixing assembly 4 will fix the connecting ring 34 on the cleaning ring 2. Then, the drive motor 53 and the drive screw 52 will drive the connecting ring 34 and the barrier net 33 on the connecting ring 34 to move in the opposite direction. During the reverse movement of the connecting ring 34, the connecting ring 34 will drive the cleaning ring 2 to move upwards. During the upward movement, multiple hollow fiber tubes 15 will be cleaned.

[0056] Impurities detached from the surface of the hollow fiber tube 15 will enter the barrier film 32. The pulled-out barrier film 32 will be gradually folded up. During the upward movement of the cleaning ring 2, the sewage between the upper mounting ring 11 and the lower mounting ring 13 will be squeezed out through the barrier net 33, leaving the impurities in the barrier film 32. The pushing ring 71 will gradually block the mesh on the barrier net 33. After the mesh on the barrier net 33 is completely blocked, the sewage pump will work to clean the impurities on the multiple cleaning rings 2. After cleaning, multiple drive motors 53 will work simultaneously, driving the drive ring 51 to continue to move upward. The pushing inclined surface 73 on the pushing ring 71 will abut against the pushing rod 72, and then push multiple pushing rods 72 to move towards the center of the cleaning ring 2. Finally, the pushing rod 72 will drive the fixing rod 42 to disengage from the fixing groove 43, and the fixing spring 44 will be compressed. After multiple fixing rods 42 have disengaged from the fixing groove 43, the cleaning ring 2 will move downward to the bottom under the action of gravity, making it easier to continue to move upward to clean the impurities on the surface of the hollow fiber tube 15.

[0057] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An integrated wastewater treatment device, comprising a treatment tank and an anoxic tank, an aerobic tank, and an MBR membrane tank disposed within the treatment tank, characterized in that: The MBR membrane tank contains an MBR membrane module, which includes an upper mounting ring fixed to a mounting frame, a connecting rod fixed to the upper mounting ring, and a lower mounting ring fixed to the connecting rod. Multiple hollow fiber tubes are positioned between the upper and lower mounting rings. A cleaning ring for scraping impurities from the surface of the hollow fiber tubes is slidably connected to the connecting rod. The multiple hollow fiber tubes pass through the cleaning ring, which slides between the upper and lower mounting rings. A blocking component is provided on the upper mounting ring to block impurities scraped from the surface of the hollow fiber tubes. The blocking component includes a blocking membrane fixed to the upper mounting ring. A fixing component is provided on the cleaning ring to fix the blocking membrane to the lowermost cleaning ring. After the upper blocking membrane is fixed to the lowermost cleaning ring, the blocking membrane is fitted onto the hollow fiber tubes. When the cleaning ring moves upward to scrape impurities from the surface of the hollow fiber tubes, the scraped impurities remain inside the blocking membrane. A barrier mesh is fixed to one end of the barrier film away from the upper mounting ring, and a connecting ring is fixed to one end of the barrier mesh. A drive assembly is provided on the upper mounting ring to drive the connecting ring and the barrier mesh on the connecting ring to move up and down. A dirt-removing assembly is provided inside the processing box to remove impurities from the cleaning ring and the barrier film. The fixing assembly includes a fixing ring fixed on the cleaning ring, a fixing rod slidably connected to the cleaning ring, and a fixing groove opened on the connecting ring. The cleaning ring is provided with a fixing spring for pushing the fixing rod into the fixing groove. One end of the fixing spring is fixed to the fixing rod, and the other end is fixed to the cleaning ring. During the downward movement of the connecting ring, the fixing groove on the connecting ring will correspond to the fixing rod. The fixed ring has an insertion slot, and the connecting ring has a control ramp. As the barrier net and the connecting ring move downward, the connecting ring will insert into the insertion slot. The control ramp is used to push the fixed rod to move closer to the center of the cleaning ring. The upper mounting ring is equipped with a pushing component for pushing the fixed rod out of the fixed slot. The pushing component includes a pushing ring fixed on the upper mounting ring, and a pushing inclined surface is provided on the pushing ring, with the pushing inclined surface arranged around the pushing ring; The outer diameter of the pushing ring is the same as the inner diameter of the barrier net. The inner side of the barrier net abuts against the outer side of the pushing ring. The pushing rod is fixed on the fixed rod. During the upward movement of the cleaning ring, the pushing rod abuts against the pushing inclined surface. After the cleaning rings on multiple MBR membrane modules move upward and the corresponding blocking nets are blocked, the sludge pumps work to clean the impurities on the multiple cleaning rings. After completion, multiple drive motors work simultaneously to drive the drive rings to continue moving upward. Multiple push components push the corresponding fixing rods to move, causing the fixing rods to disengage from the fixing grooves. Under the action of gravity, the cleaning rings will fall onto the bottom mounting ring.

2. The integrated sewage treatment equipment according to claim 1, characterized in that: The drive assembly includes a drive ring fixed to the barrier net, a drive screw passing through the drive ring, and a drive motor fixed to the upper mounting ring. The output shaft of the drive motor is fixedly connected to the drive screw, the drive screw is threadedly connected to the drive ring, the drive screw is rotatably connected to the lower mounting ring, and the cleaning ring is sleeved on the connecting rod and slides on the connecting rod.

3. The integrated sewage treatment equipment according to claim 2, characterized in that: The push rod is provided with an abutment surface, and an abutment ball is rotatably connected to the abutment surface, the abutment ball being in contact with the push inclined surface.

4. The integrated sewage treatment equipment according to claim 2, characterized in that: The sludge suction assembly includes a sludge suction pipe mounted on the upper mounting ring and a sludge suction pump fixed on the treatment tank. One end of the sludge suction pipe extends below the upper mounting ring, and the other end extends above the upper mounting ring.

5. The integrated sewage treatment equipment according to claim 1, characterized in that: The cleaning ring is fixedly equipped with a counterweight to increase its weight.

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