MBR (Membrane Bioreactor)
By designing an automatic wiping structure in the MBR membrane bioreactor, the problem of impurity adhesion on the membrane module surface was solved, achieving a highly efficient cleaning effect and improving filtration efficiency.
Patent Information
- Application Number
- CN202423028677.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-09
AI Technical Summary
When existing MBR membrane bioreactors treat wastewater for extended periods, impurities from the wastewater tend to adhere to the surface of the membrane modules, leading to reduced filtration efficiency and making cleaning difficult.
An MBR membrane bioreactor was designed. By setting up a movable rod, fixed plate and brush plate structure inside the shell, the movable rod and fixed plate are driven by an eccentric wheel driven by a motor to reciprocate, so as to realize the automatic wiping and cleaning of the membrane module. Impurities are collected by the baffle and discharged through the discharge pipe.
It effectively cleans impurities on the membrane module, improves filtration efficiency, and avoids the reduction in filtration efficiency caused by impurity adhesion.
Smart Images

Figure CN223561397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field, especially a kind of MBR membrane bioreactor. BACKGROUND
[0002] MBR is also called membrane bioreactor, it is a new type of water treatment technology combined by membrane separation unit and biological treatment unit, membrane module is replaced traditional biological treatment technology end two sedimentation tanks, high active sludge concentration is maintained in biological reactor, biological treatment organic load is improved, so as to reduce the land area of sewage treatment facility, and the amount of residual sludge is reduced by maintaining low sludge load.
[0003] Through retrieval, for example, the utility model with announcement number CN213202508U discloses a kind of MBR membrane bioreactor, the inside of device body is equipped with cyclone zone, slow-flow area and magnetic particle storage area, cyclone zone is arranged at the side of slow-flow area, and cyclone zone and slow-flow area are isolated by cyclone isolation pipe, magnetic particle storage area is arranged at the lower end of cyclone zone and slow-flow area, when membrane bioreactor is treated sewage for long time, the impurities in sewage are adhered to the surface of membrane module, not easy to clean, reduce the efficiency of filtration, and the utility model is not convenient for cleaning the impurities adhered to the membrane module, therefore, to solve the above defects, the present application proposes a kind of MBR membrane bioreactor. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide a kind of MBR membrane bioreactor, can effectively solve the problem that the membrane bioreactor of prior art is not convenient for cleaning the impurities adhered to the membrane module.
[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:
[0006] A kind of MBR membrane bioreactor, including shell body and multiple membrane modules arranged in the shell body, the outer top surface of the shell body is slidably connected with multiple movable rods, and multiple movable rods and multiple membrane modules are staggered arrangement, part of movable rod is located in the inside of shell body, another part of movable rod is located in the outside of shell body, one end of movable rod located in the inside of shell body is fixedly installed with fixed plate, and both sides of fixed plate are provided with brush plate, one end of movable rod located in the outside of shell body is fixedly installed with connecting plate, and the bottom surface of connecting plate is fixedly installed with first spring, the first spring is fixedly connected with the outer top surface of shell body, and movable rod is located in the inside of first spring, one side of the outer top surface of shell body is fixedly installed with support frame, and one side of support frame is rotatably connected with eccentric wheel, eccentric wheel is in contact with connecting plate, the outer surface of support frame is fixedly installed with first motor on one side, and the output end of first motor is fixedly connected with eccentric wheel.
[0007] Preferably, the outer surface left side of the shell body is fixedly provided with an input pipe, and the outer surface right side of the shell body is fixedly provided with an output pipe, the bottom surface of the shell body is fixedly provided with a discharge pipe, both sides of the inside of the shell body are rotatably connected with rotating shafts, and the outer surface of both rotating shafts on one side of the inside of the shell body is fixedly provided with baffles, and the two baffles are below the membrane assembly.
[0008] Preferably, the outer surface of both rotating shafts extending to one end outside the shell body is fixedly provided with a first pulley, the outer surface of the shell body on one side of the first pulley is rotatably connected with two second pulleys, the outer surface of both second pulleys and both first pulleys is respectively sleeved with two belts, one side of both second pulleys is fixedly provided with a gear, and both gears are engaged, the outer surface of the shell body on one side of the gear is fixedly provided with a second motor, and the output end of the second motor is fixedly connected with one gear.
[0009] Preferably, the outer surface of the fixed plate is provided with installation grooves on both left and right sides, the outer top surface of both installation grooves is fixedly provided with two telescopic sleeves, and the four telescopic sleeves are communicated with both installation grooves, the inner top surface of four telescopic sleeves is fixedly provided with second springs, the bottom surface of four second springs is fixedly provided with installation heads, one side of four installation heads on the second spring is fixedly provided with a fixed rod, a part of the fixed rod is inside the telescopic sleeve, another part of the fixed rod is outside the telescopic sleeve, the fixed rod is inside the second spring, and the top surface of both brush plates is provided with installation holes on both sides.
[0010] Preferably, the outer surface of the membrane assembly is fixedly provided with plug blocks on both sides, and the inside of the shell body is provided with a plurality of plug slots on both sides.
[0011] Preferably, the size of the installation head is the same as the size of the installation hole.
[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0013] The utility model discloses a MBR membrane bioreactor, through setting up the shell body, in actual work, the eccentric wheel is rotated under the drive of first motor, and the descending eccentric wheel can push the connecting plate and a plurality of movable rods, and then can extrude the first spring, when a plurality of movable rods descend, can push the fixed plate and descend, along with the continuous rotation of eccentric wheel, the first spring that is extruded can push the connecting plate and a plurality of movable rods and reset, so that the fixed plate reciprocating motion is up and down, the brush plate can wipe the impurity adhered on the membrane assembly in the fixed plate lifting process, and the impurity cleaned falls to the top surface of the baffle, so as to facilitate the cleaning of the impurity adhered on the membrane assembly, avoid the lowering of the filtering efficiency due to the adhered impurity. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the shell body cross section structure schematic view of the utility model;
[0016] Figure 3 It is the baffle structure schematic view of the utility model;
[0017] Figure 4 It is the fixed plate structure schematic view of the utility model;
[0018] Figure 5 It is the plug block structure schematic view of the utility model.
[0019] In the figure: 1, shell body;2, input pipe;3, output pipe;4, discharge pipe;5, membrane assembly;101, movable rod;102, first spring;103, connecting plate;104, fixed plate;106, eccentric wheel;107, support frame;108, first motor;1011, rotating shaft;1012, baffle;1013, first belt pulley;1014, belt;1015, second belt pulley;1016, gear;1017, second motor;1041, mounting groove;1042, telescopic sleeve;1043, second spring;1044, fixed rod;1045, mounting head;1046, brush plate;1047, mounting hole;501, plug block;502, plug groove. DETAILED DESCRIPTION
[0020] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] The utility model discloses a kind of MBR membrane bioreactor, as shown in Figures 1-5 The outer surface left side of shell body 1 is fixedly installed with input pipe 2, and the outer surface right side of shell body 1 is fixedly installed with output pipe 3, the bottom of shell body 1 is fixedly installed with discharge pipe 4, sewage enters the inside of shell body 1 by input pipe 2, and the sewage filtered after membrane assembly 5 can be discharged by output pipe 3.
[0022] The outer top surface of shell body 1 is slidably connected with a plurality of movable rods 101, and the plurality of movable rods 101 are staggered with a plurality of membrane assemblies 5, part of movable rod 101 is located inside shell body 1, another part of movable rod 101 is located outside shell body 1, and movable rod 101 can slide up and down on the outer top surface of shell body 1.
[0023] The end of the movable rod 101 inside the outer shell 1 is fixedly installed with a fixed plate 104, and the left and right sides of the fixed plate 104 are provided with brush plates 1046. When the movable rod 101 slides up and down, the fixed plate 104 is lifted, and the brush plates 1046 on both sides of the fixed plate 104 can wipe the membrane assembly 5 to clean the impurities attached to the membrane assembly 5.
[0024] The end of the movable rod 101 outside the outer shell 1 is fixedly installed with a connecting plate 103, and the bottom surface of the connecting plate 103 is fixedly installed with a first spring 102. The first spring 102 is fixedly connected to the outer top surface of the outer shell 1, and the movable rod 101 penetrates the inside of the first spring 102. When the movable rod 101 descends, the connecting plate 103 will press the first spring 102.
[0025] The outer top surface of the outer shell 1 is fixedly installed with a support frame 107, and the support frame 107 is rotatably connected with an eccentric wheel 106 on one side. The eccentric wheel 106 is in contact with the connecting plate 103. The outer surface of the support frame 107 is fixedly installed with a first motor 108 on one side, and the output end of the first motor 108 is fixedly connected with the eccentric wheel 106. The first motor 108 drives the eccentric wheel 106 to rotate, which pushes the connecting plate 103 and the plurality of movable rods 101 to descend, thereby pressing the first spring 102. When the plurality of movable rods 101 descend, the fixed plate 104 is pushed to descend. With the continuous rotation of the eccentric wheel 106, the first spring 102 that is pressed pushes the connecting plate 103 and the plurality of movable rods 101 to reset, so that the fixed plate 104 performs reciprocating motion up and down. During the lifting of the fixed plate 104, the brush plate 1046 can wipe the impurities attached to the membrane assembly 5.
[0026] The inside of the outer shell 1 is rotatably connected with two shafts 1011, and the outside of the two shafts 1011 is fixedly installed with a baffle 1012 on one side inside the outer shell 1. The two baffles 1012 are located below the membrane assembly 5. The impurities cleaned will fall on the baffle 1012, and the shaft 1011 drives the baffle 1012 to rotate, so that the impurities on the baffle 1012 fall into the outer shell 1, and the impurities can be discharged through the discharge pipe 4.
[0027] The end of the two shafts 1011 extending to the outside of the outer shell 1 is fixedly installed with a first pulley 1013, and the first pulley 1013 rotates to drive the shaft 1011 to rotate.
[0028] The outer surface of the outer shell body 1 is rotatably connected with two second pulleys 1015 on one side of the first pulley 1013, and the outer surfaces of the two second pulleys 1015 are respectively sleeved with two belts 1014, when the second pulley 1015 rotates, the first pulley 1013 is driven to rotate through the belt 1014.
[0029] The outer surface of the outer shell body 1 is rotatably connected with two second pulleys 1015 on one side of the first pulley 1013, and the outer surfaces of the two second pulleys 1015 are respectively sleeved with two belts 1014, when the second pulley 1015 rotates, the first pulley 1013 is driven to rotate through the belt 1014.
[0030] The outer surface of the outer shell body 1 is rotatably connected with two second pulleys 1015 on one side of the first pulley 1013, and the outer surfaces of the two second pulleys 1015 are respectively sleeved with two belts 1014, when the second pulley 1015 rotates, the first pulley 1013 is driven to rotate through the belt 1014.
[0031] The outer surface of the outer shell body 1 is rotatably connected with two second pulleys 1015 on one side of the first pulley 1013, and the outer surfaces of the two second pulleys 1015 are respectively sleeved with two belts 1014, when the second pulley 1015 rotates, the first pulley 1013 is driven to rotate through the belt 1014.
[0032] The outer surface of the outer shell body 1 is rotatably connected with two second pulleys 1015 on one side of the first pulley 1013, and the outer surfaces of the two second pulleys 1015 are respectively sleeved with two belts 1014, when the second pulley 1015 rotates, the first pulley 1013 is driven to rotate through the belt 1014.
[0033] The utility model discloses a working principle is as follows: sewage enters the inside of shell body 1 through input pipe 2, and the sewage after filtering through membrane assembly 5 can be discharged through output pipe 3, first motor 108 drives eccentric wheel 106 to rotate, and rotating eccentric wheel 106 will push connecting plate 103 and multiple movable rods 101 to descend, and then can extrude first spring 102, when multiple movable rods 101 descend, can push fixed plate 104 to descend, with the continuous rotation of eccentric wheel 106, the extruded first spring 102 will push connecting plate 103 and multiple movable rods 101 to reset, to make fixed plate 104 reciprocate up and down, in the process of fixed plate 104 lifting, and brush plate 1046 can wipe the impurity attached on membrane assembly 5, and second motor 1017 drives one gear 1016 to rotate, and will make two gears 1016 drive two second pulleys 1015 to rotate in opposite directions, can drive two first pulleys 1013 and two shafts 1011 to rotate in opposite directions, can make the impurity falling on two baffles 1012 fall to the bottom of shell body 1, and can discharge through discharge pipe 4.
[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An MBR membrane bioreactor, comprising an outer shell (1) and a plurality of membrane modules (5) disposed inside the outer shell (1), characterized in that: Multiple movable rods (101) are slidably connected to the outer top surface of the outer shell (1), and the multiple movable rods (101) are arranged alternately with multiple membrane components (5). A part of the movable rod (101) is located inside the outer shell (1), and the other part of the movable rod (101) is located outside the outer shell (1). A fixing plate (104) is fixedly installed at the end of the movable rod (101) located inside the outer shell (1), and brush plates (1046) are provided on both the left and right sides of the fixing plate (104). A connecting plate (103) is fixedly installed at the end of the movable rod (101) located outside the outer shell (1), and the connecting plate... A first spring (102) is fixedly installed on the bottom surface of (103). The first spring (102) is fixedly connected to the outer top surface of the outer shell (1). The movable rod (101) passes through the inside of the first spring (102). A support frame (107) is fixedly installed on one side of the outer top surface of the outer shell (1). An eccentric wheel (106) is rotatably connected to one side of the support frame (107). The eccentric wheel (106) contacts the connecting plate (103). A first motor (108) is fixedly installed on one side of the outer surface of the support frame (107). The output end of the first motor (108) is fixedly connected to the eccentric wheel (106).
2. The MBR membrane bioreactor according to claim 1, characterized in that: An input pipe (2) is fixedly installed on the left side of the outer surface of the outer shell (1), and an output pipe (3) is fixedly installed on the right side of the outer surface of the outer shell (1). A discharge pipe (4) is fixedly installed on the bottom surface of the outer shell (1). Rotary shafts (1011) are rotatably connected to both sides of the inner surface of the outer shell (1), and baffles (1012) are fixedly installed on the outer surface of the two rotating shafts (1011) on one side inside the outer shell (1). The two baffles (1012) are located below the membrane assembly (5).
3. The MBR membrane bioreactor according to claim 2, characterized in that: Two shafts (1011) are each fixedly mounted with a first pulley (1013) at one end extending outside the outer shell (1). Two second pulleys (1015) are rotatably connected to the outer surface of the outer shell (1) on one side of the first pulley (1013). Two belts (1014) are respectively fitted on the outer surfaces of the two second pulleys (1015) and the two first pulleys (1013). Gears (1016) are fixedly mounted on one side of each of the two second pulleys (1015), and the two gears (1016) mesh. A second motor (1017) is fixedly mounted on the outer surface of the outer shell (1) on one side of the gears (1016), and the output end of the second motor (1017) is fixedly connected to one of the gears (1016).
4. The MBR membrane bioreactor according to claim 1, characterized in that: The outer surface of the fixing plate (104) is provided with mounting grooves (1041) on both the left and right sides. Two telescopic sleeves (1042) are fixedly installed on the outer top surface of each of the two mounting grooves (1041), and the four telescopic sleeves (1042) are respectively connected to the two mounting grooves (1041). A second spring (1043) is fixedly installed on the inner top surface of each of the four telescopic sleeves (1042), and a mounting head (1045) is fixedly installed on the bottom surface of each of the four second springs (1043). Each of the four mounting heads (1045) is fixedly mounted with a fixing rod (1044) on one side of the second spring (1043). A part of the fixing rod (1044) is located inside the telescopic sleeve (1042), and the other part of the fixing rod (1044) is located outside the telescopic sleeve (1042). The fixing rod (1044) passes through the inside of the second spring (1043). Mounting holes (1047) are provided on both sides of the top surface of the two brush plates (1046).
5. An MBR membrane bioreactor according to claim 1, characterized in that: The membrane assembly (5) has inserts (501) fixedly installed on both sides of its outer surface, and the outer shell (1) has multiple slots (502) on both sides of its interior.
6. An MBR membrane bioreactor according to claim 4, characterized in that: The dimensions of the mounting head (1045) are the same as the dimensions of the mounting hole (1047).
Citation Information
Patent Citations
MBR (membrane bioreactor)
CN213202508U
Cited By
MBR flat sheet membrane assembly for sewage treatment
CN121823792A
MBR flat membrane module for sewage treatment
CN121823792B