Sewage treatment device based on MBR

Abstract

The utility model discloses an MBR (membrane bioreactor)-based sewage treatment device which comprises a device shell, a water suction pump is fixedly mounted on the left side of the device shell through bolts, the left side of the water suction pump is communicated with a drainage pipe, and the front side of the water suction pump is communicated with a water suction pipe; a stair is fixedly arranged on the right side of the device shell; a driving motor is fixedly installed on the lower portion of the inner side of the device shell through bolts, the output end of the driving motor is fixedly connected with a first rotating rod, the upper end of the first rotating rod is fixedly connected with a cleaning rod, and meanwhile sweeping brushes are arranged above the cleaning rod at equal intervals; a first grid is slidably connected to the inner side of the device shell, and a second grid is slidably connected to the upper portion of the first grid. According to the sewage treatment device based on the MBR, the sewage suction pump is arranged in a rotatable manner, so that the suction effect of the sewage suction pump on floating impurities is better, the MBR membrane component is favorably filtered and used, and the service life of the device is favorably prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device based on MBR. Background Art

[0002] As we all know, in the field of sewage treatment and water resource reuse, MBR, also known as membrane bioreactor, is a new water treatment technology that combines a membrane separation unit with a biological treatment unit. According to the structure of the membrane, it can be divided into flat membrane, tubular membrane and hollow fiber membrane, etc., and according to the pore size of the membrane, it can be divided into microfiltration membrane, ultrafiltration membrane, nanofiltration membrane and reverse osmosis membrane.

[0003] Publication No. "CN211497296U" is a sewage treatment device based on MBR, including a box body, a reduction motor and a water pump. A placement chamber is arranged inside the box body, and a first partition and a second partition are vertically arranged in the placement chamber. The first partition and the second partition divide the placement chamber from left to right into a sewage zone, an aerobic zone and an anaerobic zone. The aerobic zone is provided with an MBR membrane assembly and an aerobic biological filler, and the anaerobic zone is provided with an anaerobic biological filler. The top of the first partition and the bottom of the second partition are respectively provided with a first connecting pipe and a second connecting pipe; the device mixes sewage and flocculant by rotating a rotating shaft and a stirring rod to ensure the flocculation effect of the flocculant on impurities in the sewage, so that larger impurities produce flocculation precipitation, and the impurities floating on the water surface of the aerobic zone are pumped into the inner cylinder for flocculation treatment by the cooperation of a water pump and a floating suction hood, so as to facilitate the cleaning of floating impurities generated in the aerobic pool and impurities attached to the partition net, thereby ensuring the progress and effect of sewage treatment and improving the reliability of use;

[0004] The device uses a filter to preliminarily filter the impurities in the sewage area, but the aperture of the filter cannot be adjusted, which is not conducive to improving the applicability of the device. The device extracts floating impurities through the cooperation of a water pump and a floating suction hood. Since the floating suction hood is a fixed setting, impurities are easily adhered to the surrounding areas of the floating suction hood, which is not conducive to the cleaning effect of the water pump on the floating impurities. Therefore, we proposed a sewage treatment device based on MBR that can well solve the above problems. Utility Model Content

[0005] The utility model aims to provide a sewage treatment device based on MBR to solve the problem raised in the above-mentioned background technology that the current device on the market performs preliminary filtration of impurities in the sewage area through a filter screen, but the aperture of the filter screen cannot be adjusted, which is not conducive to improving the applicability of the device. The device extracts floating impurities through the cooperation of a water pump and a floating suction hood. Since the floating suction hood is fixed, impurities are easily adhered to the surrounding areas of the floating suction hood, which is not conducive to the problem of the cleaning effect of the water pump on the floating impurities.

[0006] To achieve the above object, the utility model provides the following technical solutions: a sewage treatment device based on MBR, comprising a device shell, a water pump is fixedly installed on the left side of the device shell by bolts, and a drainage pipe is connected to the left side of the water pump, and the other end of the drainage pipe is connected to the device shell, and a water pump is connected to the front side of the water pump, and wastewater can be extracted through the water pump; a staircase is fixedly arranged on the right side of the device shell;

[0007] The device also includes: a driving motor is fixedly installed at the lower inner side of the housing of the device by bolts, and a first rotating rod is fixedly connected to the output end of the driving motor, and a cleaning rod is fixedly connected to the upper end of the first rotating rod, and cleaning brushes are arranged at equal intervals above the cleaning rod;

[0008] A first grille is slidably connected to the inner side of the device shell, a second grille is slidably connected above the first grille, and a cleaning brush is contact-connected below the first grille. Meanwhile, through holes opened inside the first grille and the second grille are correspondingly arranged.

[0009] Preferably, a slide bar is fixedly connected above the second grille, and the upper end of the slide bar is arranged to penetrate the device housing, and a rack is fixedly connected to the left side of the upper end of the slide bar, and the rack is slidably connected to a fixed block, and the second grille can be driven to move through the rack.

[0010] Preferably, the fixed block is fixedly arranged on the left side above the device housing, and a rotating rod is rotatably arranged on the inner side of the fixed block, and a turntable is fixedly connected above the rotating rod. At the same time, a limiting rod is connected through the turntable, and the fixed block is threadedly connected to the lower end of the limiting rod, and the turntable can be limited by the limiting rod.

[0011] Preferably, a gear is fixedly connected to the outer side of the rotating rod, and a rack is meshingly connected to the rear side of the gear, and the sliding rod can be moved through the meshing connection between the gear and the rack.

[0012] Preferably, a rotating disk is connected to the left end of the lower inner side of the middle part of the device shell, and two groups of rotating disks are symmetrically arranged, and a pull rod is rotatably connected to the outer side of the rotating disk. At the same time, the upper part of the pull rod is arranged to penetrate the device shell, and the rotating disk can be driven to tilt through the pull rod.

[0013] Preferably, a sewage pump is arranged below the middle of the device housing, and the front end of the sewage pump is arranged to penetrate the device housing, so that the deposited sludge can be discharged through the sewage pump.

[0014] Preferably, a belt is sleeved on the outer side of the first rotating rod, and a second rotating rod is sleeved on the right end of the belt, and the second rotating rod is rotatably connected to the inner side of the device housing. At the same time, a sewage suction pump is fixedly connected to the upper end of the second rotating rod, and the second rotating rod can be driven to rotate by the belt.

[0015] Preferably, biological fillers and MBR membrane components are fixedly arranged on the right inner side of the device shell, and the biological fillers are located below the MBR membrane components, and an aeration device is arranged below the biological fillers, and the aeration device is fixedly installed at the lower inner side of the right inner side of the device shell, and wastewater can be filtered through the biological fillers and the MBR membrane components.

[0016] Preferably, the sewage suction pump is located above the MBR membrane assembly, and a connecting hose is connected above the sewage suction pump, and one end of the connecting hose is connected to a sewage block, and the sewage block is rotatably arranged above the right part of the device shell, and floating impurities can be extracted by the sewage suction pump.

[0017] Preferably, a sewage pipe is connected above the sewage block, and the other end of the sewage pipe is connected to the inner side of the left part of the device shell, and the other end of the sewage pipe is located above the drain pipe, and impurities can be discharged through the sewage pipe.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: the sewage treatment device based on MBR has a better suction effect on floating impurities through a rotatable suction pump, which is beneficial to the filtration use of the MBR membrane assembly and to prolonging the service life of the device. The specific contents are as follows:

[0019] A first grid and a second grid are provided. By rotating the limit rod and then rotating the turntable, the turntable can drive the rack to move through the rotating rod and the gear. The rack will drive the second grid to slide above the first grid through the sliding rod. At this time, the through holes opened on the first grid and the second grid will be staggered, so that the range of solid matter passing through is small, which is beneficial to the filtering efficiency of the device for solids;

[0020] A cleaning brush is provided, and the first rotating rod can be driven to rotate by a driving motor, and the first rotating rod can drive the cleaning brush to clean the lower surface of the first grille through the cleaning rod, so as to avoid clogging of the first grille, thereby facilitating the use of the device;

[0021] A rotating disk is provided, and by pulling the pull rod, the pull rod can drive the rotating disk to rotate, so that the rotating disk is tilted, and the sludge can be better discharged by the sewage pump through the tilted rotating disk;

[0022] MBR membrane components and biological fillers are provided, through which wastewater can be filtered and treated, so that wastewater can be recycled, which is beneficial to the use of water resources and the protection of the environment;

[0023] A belt and a sewage suction pump are provided. The belt can be driven to rotate by the first rotating rod, and the belt will drive the sewage suction pump to rotate through the second rotating rod. The rotating sewage suction pump can better absorb the floating impurities in all directions, which is beneficial to the efficiency of impurity absorption and the filtration efficiency of the MBR membrane assembly 27, which is beneficial to the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0025] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0027] Figure 4 For this utility model Figure 1 The enlarged structural diagram at C in the middle;

[0028] Figure 5 This is a schematic diagram of the front cross-section structure of the first grid of the utility model;

[0029] Figure 6 It is a schematic diagram of the rotating structure of the rotating disk of the utility model.

[0030] In the figure: 1. device housing; 2. water pump; 3. water pipe; 4. drainage pipe; 5. driving motor; 6. first rotating rod; 7. cleaning rod; 8. cleaning brush; 9. first grille; 10. second grille; 11. sliding rod; 12. fixing block; 13. turntable; 131. rotating rod; 14. gear; 15. rack; 16. limiting rod; 17. sewage pump; 18. rotating disk; 19. pulling rod; 20. belt; 21. second rotating rod; 22. sewage suction pump; 23. connecting hose; 24. sewage block; 25. sewage pipe; 26. biological filler; 27. MBR membrane assembly; 28. stairs; 29. ​​aeration device. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-Figure 6The utility model provides a technical solution: a sewage treatment device based on MBR, comprising a device housing 1, a water pump 2 is fixedly installed on the left side of the device housing 1 by bolts, and a drainage pipe 4 is connected to the left side of the water pump 2, and the other end of the drainage pipe 4 is connected to the device housing 1, and a water pump 3 is connected to the front side of the water pump 2, and wastewater can be extracted through the water pump 3;

[0033] A first grille 9 is slidably connected to the inner side of the device housing 1, and a second grille 10 is slidably connected above the first grille 9, and a cleaning brush 8 is contacted and connected below the first grille 9, and through holes opened on the inner sides of the first grille 9 and the second grille 10 are correspondingly arranged; a sliding rod 11 is fixedly connected to the upper side of the second grille 10, and the upper end of the sliding rod 11 is arranged to penetrate the device housing 1, and a rack 15 is fixedly connected to the left side of the upper end of the sliding rod 11, and the rack 15 is slidably connected to the fixed block 12; the fixed block 12 is fixedly arranged on the upper left side of the device housing 1, and a rotating rod 131 is rotatably arranged inside the fixed block 12, and a rotating disk 13 is fixedly connected to the upper side of the rotating rod 131, and a limiting rod 16 is penetrated and connected on the rotating disk 13, and the lower end of the limiting rod 16 is threadedly connected to the fixed block 12; a gear 14 is fixedly connected to the outer side of the rotating rod 131, and a rack 15 is meshedly connected to the rear side of the gear 14, and the sliding rod 11 can be moved by the meshing connection between the gear 14 and the rack 15; Example

[0034] The water pump 2 is controlled to be turned on, and waste water is extracted through the water pipe 3 connected to the front side of the water pump 2, so that the waste water enters the device housing 1 through the drain pipe 4, and the waste water is filtered for large solid impurities through the first grid 9 and the second grid 10 arranged in the device housing 1, so as to avoid clogging of subsequent devices, and the limit rod 16 is manually rotated to make the limit rod 16 disengage from the turntable 13, and then the turntable 13 is manually rotated so that the turntable 13 drives the rotating rod 131 and the gear 14 to rotate, and when the gear 14 rotates, it will drive the rack 15 to rotate on the fixed block 12 through the meshing connection. The rack 15 will slide inside, and the rack 15 will drive the slide bar 11 to move. When the slide bar 11 moves, it will drive the second grille 10 to slide above the first grille 9. At this time, the through holes opened on the first grille 9 and the second grille 10 will correspond to each other, so that the range of solid matter passing through is small, which is beneficial to the filtering efficiency of the device for solids; then the limiting rod 16 passes through the turntable 13 and is threadedly connected to the fixing block 12, and the turntable 13 is limited by the limiting rod 16, so as to prevent the turntable 13 from rotating under the influence of the external environment, which is beneficial to the stability of the device structure;

[0035] The device also includes: a driving motor 5 is fixedly installed at the lower inner side of the device housing 1 by bolts, and a first rotating rod 6 is fixedly connected to the output end of the driving motor 5, and a cleaning rod 7 is fixedly connected to the upper end of the first rotating rod 6, and cleaning brushes 8 are arranged at equal intervals above the cleaning rod 7; Example

[0036] The driving motor 5 is controlled to be turned on, and the output shaft of the driving motor 5 will drive the first rotating rod 6 to rotate, and the rotation of the first rotating rod 6 will drive the cleaning rod 7 to rotate, and the rotation of the cleaning rod 7 will drive the cleaning brush 8 to clean the lower surface of the first grille 9, so as to avoid the blockage of the first grille 9, which is beneficial to the use of the device;

[0037] A rotating disk 18 is connected to the left end of the lower inner side of the middle part of the device housing 1, and two groups of rotating disks 18 are symmetrically arranged, and a pull rod 19 is rotatably connected to the outer side of the rotating disk 18, and the upper part of the pull rod 19 is set through the device housing 1; a sewage pump 17 is set at the lower middle part of the device housing 1, and the front end of the sewage pump 17 is set through the device housing 1, and the deposited sludge can be discharged through the sewage pump 17; Example

[0038] After the wastewater is filtered by the first grid 9 and the second grid 10, it will flow into the inner side of the middle part of the device housing 1, where the wastewater is precipitated. The precipitated sludge will be discharged by the sewage pump 17. The two sets of pull rods 19 are manually pulled so that the pull rods 19 drive the outer side of the rotating disk 18 to move upward. At this time, the pull rods 19 will rotate on the outer side of the rotating disk 18, and the inner side of the rotating disk 18 will rotate on the device housing 1. The pull rods 19 can drive the rotating disk 18 to tilt, and the tilted rotating disk 18 can make the sludge better discharged by the sewage pump 17.

[0039] A belt 20 is sleeved on the outer side of the first rotating rod 6, and a second rotating rod 21 is sleeved on the right end of the belt 20, and the second rotating rod 21 is rotatably connected to the inner side of the device housing 1, and a sewage suction pump 22 is fixedly connected to the upper end of the second rotating rod 21; a biological filler 26 and an MBR membrane assembly 27 are fixedly arranged on the right side of the inner side of the device housing 1, and the biological filler 26 is located below the MBR membrane assembly 27, and an aeration device 29 is arranged below the biological filler 26, and the aeration device 29 is fixedly installed on the lower side of the right inner side of the device housing 1; the sewage suction pump 22 is located above the MBR membrane assembly 27, and a connecting hose 23 is connected above the sewage suction pump 22, and one end of the connecting hose 23 is connected to a sewage block 24, and the sewage block 24 is rotatably arranged above the right side of the device housing 1; a sewage pipe 25 is connected above the sewage block 24, and the other end of the sewage pipe 25 is connected to the inner side of the left side of the device housing 1, and the other end of the sewage pipe 25 is located above the drain pipe 4; Example

[0040] After the wastewater is precipitated, it will enter the right inner side of the device housing 1, and will be filtered through the MBR membrane assembly 27 and the biological filler 26 to ensure the recycling of the wastewater. The aeration device 29 arranged below the biological filler 26 will make the reaction between the wastewater and the biological filler 26 more complete.

[0041] When the first rotating rod 6 rotates, the belt 20 will be driven to rotate. The rotation of the belt 20 will drive the second rotating rod 21 to rotate inside the device housing 1. The rotation of the second rotating rod 21 will drive the sewage suction pump 22 to rotate. The sewage suction pump 22 is controlled to open. The impurities filtered by the MBR membrane assembly 27 can be sucked by the sewage suction pump 22, so as to avoid the blockage of the MBR membrane assembly 27. The impurities can be better sucked in all directions by the rotating sewage suction pump 22, which is beneficial to the efficiency of impurity absorption and the filtration efficiency of the MBR membrane assembly 27. The impurities extracted by the sewage suction pump 22 will enter the sewage block 24 through the connecting hose 23, and then be discharged into the left side of the device housing 1 through the sewage discharge pipe 25, so that the wastewater can be filtered again, which is beneficial to the protection of water resources.

[0042] The staircase 28 provided on the right side of the device housing 1 can facilitate people to perform control operations; the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0043] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sewage treatment device based on an MBR, comprising a device housing (1), a water pump (2) being fixedly mounted on the left side of the device housing (1) by means of bolts, a drainage pipe (4) being connected to the left side of the water pump (2), and the other end of the drainage pipe (4) being connected to the inside of the device housing (1), and a water pump (3) being connected to the front side of the water pump (2), and wastewater being extractable through the water pump (3); A staircase (28) is fixedly arranged on the right side of the device housing (1); It is characterized in that Also includes: A driving motor (5) is fixedly mounted on the lower inner side of the device housing (1) by means of bolts, and the output end of the driving motor (5) is fixedly connected to a first rotating rod (6), and the upper end of the first rotating rod (6) is fixedly connected to a cleaning rod (7), and cleaning brushes (8) are arranged at equal intervals above the cleaning rod (7); A first grille (9) is slidably connected to the inner side of the device housing (1), a second grille (10) is slidably connected above the first grille (9), and a cleaning brush (8) is contact-connected below the first grille (9), and through holes opened on the inner sides of the first grille (9) and the second grille (10) are correspondingly arranged.

2. A sewage treatment device based on MBR according to claim 1, characterized in that: A sliding rod (11) is fixedly connected above the second grille (10), and the upper end of the sliding rod (11) is arranged to penetrate the device housing (1), and a rack (15) is fixedly connected to the left side of the upper end of the sliding rod (11), and the rack (15) is slidably connected to a fixed block (12).

3. A sewage treatment device based on MBR according to claim 2, characterized in that: The fixed block (12) is fixedly arranged on the left side above the device housing (1), and a rotating rod (131) is rotatably arranged inside the fixed block (12), and a rotating disk (13) is fixedly connected above the rotating rod (131), while a limiting rod (16) is connected through the rotating disk (13), and the lower end of the limiting rod (16) is threadedly connected to the fixed block (12).

4. A sewage treatment device based on MBR according to claim 3, characterized in that: A gear (14) is fixedly connected to the outside of the rotating rod (131), and a rack (15) is meshedly connected to the rear side of the gear (14), and the sliding rod (11) can be moved through the meshing connection between the gear (14) and the rack (15).

5. The MBR-based sewage treatment device according to claim 1, characterized in that: A rotating disk (18) is connected to the left end of the lower inner side of the middle part of the device housing (1), and two groups of rotating disks (18) are symmetrically arranged. A pull rod (19) is rotatably connected to the outer side of the rotating disk (18), and the upper part of the pull rod (19) is arranged to penetrate the device housing (1).

6. The MBR-based sewage treatment device according to claim 1, characterized in that: A sewage pump (17) is arranged below the middle of the device housing (1), and the front end of the sewage pump (17) is arranged to penetrate the device housing (1), and the deposited sludge can be discharged through the sewage pump (17).

7. The MBR-based sewage treatment device according to claim 1, characterized in that: A belt (20) is sleeved on the outer side of the first rotating rod (6), and a second rotating rod (21) is sleeved on the right end of the belt (20), and the second rotating rod (21) is rotatably connected to the inner side of the device housing (1), while a sewage suction pump (22) is fixedly connected to the upper end of the second rotating rod (21).

8. The MBR-based sewage treatment device according to claim 1, characterized in that: A biological filler (26) and an MBR membrane assembly (27) are fixedly arranged on the right inner side of the device housing (1), and the biological filler (26) is located below the MBR membrane assembly (27). An aeration device (29) is arranged below the biological filler (26), and the aeration device (29) is fixedly installed on the lower inner side of the right inner side of the device housing (1).

9. The MBR-based sewage treatment device according to claim 7, characterized in that: The sewage suction pump (22) is located above the MBR membrane assembly (27), and a connecting hose (23) is connected above the sewage suction pump (22), and one end of the connecting hose (23) is connected to a sewage discharge block (24), and the sewage discharge block (24) is rotatably arranged above the right part of the device housing (1).

10. A sewage treatment device based on MBR according to claim 9, characterized in that: The sewage block (24) is connected to a sewage pipe (25) above, and the other end of the sewage pipe (25) is connected to the inner side of the left part of the device housing (1), and the other end of the sewage pipe (25) is located above the drain pipe (4).

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