Semi-fixed MBBR (Moving Bed Biofilm Reactor) filler module with efficient aeration suspended ball filler

By setting bent parts, smooth coatings and streamlined curved surface structures in the suspended ball filler, combined with the multi-channel design, the problem of poor rotation effect of the suspended ball filler is solved, the sewage purification efficiency and fluid mechanical properties are improved, and the operation difficulty is simplified.

CN223163289UActive Publication Date: 2025-07-29LINGZHI ENVIRONMENTAL PROTECTION CO LTD +3
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Patent Information

Application Number
CN202422109694.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-07-29
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

The rotation effect of suspended ball fillers in existing mobile bed biofilm reactors is poor, which makes it difficult for the biological layer to fall off, affects the sewage purification efficiency, and the fluid mechanical properties need to be improved.

Method used

A semi-fixed MBBR filler module with efficient aeration suspension ball filler was designed. By setting bends, smooth coatings and streamlined curved surface structures in the blade structure to reduce friction, and multiple channels are set up in the filler module to combine the advantages of fluidized beds and fixed beds, improving fluid mechanical properties.

Benefits of technology

The rotation speed of the suspended ball filler is accelerated, the membrane hanging stability of the biofilm reactor is improved, the sewage purification efficiency is improved, and the operation difficulty is simplified.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a semi-fixed MBBR (Moving Bed Biofilm Reactor) filler module with efficient aeration suspended ball filler. The semi-fixed MBBR filler module comprises the suspended ball filler and a filler module, the suspended ball filler is mounted in the filler module; the size of the channel is larger than that of the suspension ball filler, and the suspension ball filler can be flexibly loaded into the channel or can be flexibly poured out of the channel. The suspension ball packing blade structure has the advantages that the bent part is arranged in the middle of the suspension ball packing blade structure and used for adjusting the inclination angle of the blade so as to optimize the rotating effect of the blade; the coating structure can effectively reduce friction force between the blade structure and water flow during rotation, and the effect of increasing the rotating speed is achieved; the streamline curved surface structure can reduce resistance and accelerate the rotation effect of the blade structure in the suspension ball filler; multiple channels are arranged, and the advantages of a fluidized bed and a fixed bed are achieved; the hydromechanical property is improved, and the biofilm formation stability of the fixed bed biofilm reactor is improved; and the filler frame is protected.
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Description

Technical Field

[0001] The utility model belongs to the technical field of suspended ball fillers in sewage purification, and particularly relates to a semi-fixed MBBR filler module with high-efficiency aeration suspended ball fillers. Background Technique

[0002] The moving bed biofilm reactor (MBBR) is a new type of biofilm reactor, and the suspended filler is the core component of the moving bed biofilm reactor. Among them, how to improve the hydraulic flow characteristics in the reactor and reduce the operation energy consumption is particularly important. In addition, the shear force of the water flow on the fillers in the filler module is small, which leads to poor overall rotation effect of the suspended ball fillers, and thus it is difficult for the biofilm on the internal sponge blocks to fall off, resulting in low sewage purification efficiency.

[0003] Therefore, if we want to improve the sewage purification efficiency, improving the overall rotation effect of the suspended ball fillers and enhancing the hydrodynamic performance of the filler module is a good direction. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a semi-fixed MBBR filler module with high-efficiency aeration suspended ball fillers.

[0005] In this semi-fixed MBBR filler module with high-efficiency aeration suspended ball fillers, the suspended ball filler includes an upper hemisphere and a lower hemisphere. A first fixed chuck is arranged on the outer surface of the upper hemisphere, and a second fixed chuck is arranged on the outer surface of the lower hemisphere. The first fixed chuck and the second fixed chuck are fixedly connected by hexagon screws, and a blade structure is fixedly connected to the upper end surface of the first fixed chuck by screws;

[0006] Inside the suspended ball filler: A bending part is arranged at the middle part of the blade structure, and the bending part is used to adjust the inclination angle of the blade to optimize the blade rotation effect; A first smooth coating structure is coated on the upper end surface of the blade structure, and a second smooth coating structure is coated on the lower end surface of the blade structure. The first smooth coating structure and the second smooth coating structure respectively arranged on the upper and lower end surfaces of the blade structure can effectively reduce the friction between the blade structure and the water flow during rotation, achieving the effect of accelerating the rotation speed; A streamline curved surface structure is arranged on the surface of the blade structure, which can reduce the resistance and accelerate the rotation effect of the blade structure inside the suspended ball filler;

[0007] The filler module includes more than one channel. One end of each channel is closed and the other end is open, and a blocking part is detachably connected to the open end; The whole of each channel is cylindrical; A plurality of suspended ball fillers are installed in the filler module; The size of the channel is larger than the size of the suspended ball filler, and the suspended ball filler can be flexibly loaded into the channel or can be flexibly poured out of the channel.

[0008] Preferably, honeycomb slot structures are provided on the surfaces of both the upper hemisphere and the lower hemisphere of the floating ball packing; a microbial sponge block structure for aeration is placed inside the upper hemisphere and the lower hemisphere.

[0009] Preferably, a plurality of blade structures are provided, and first threaded slot holes are provided on the surfaces of the blade structures, and second threaded slot holes are provided on the surfaces of the first fixed chuck and the second fixed chuck; the installation positions of the blade structures are adjusted according to the positions of the second threaded slot holes.

[0010] Preferably, the bent portion is a soft metal structure made of copper or aluminum that can be bent and deformed.

[0011] Preferably, inside the packing module: a plurality of channels are arranged in parallel, a common side wall is shared between adjacent channels, and all channels and all side walls form an integral packing rack.

[0012] Preferably, a plurality of connecting plates are evenly spaced along the length direction between adjacent channels, and both sides of the connecting plates extend to the outer side walls of adjacent channels respectively.

[0013] Preferably, the mesh holes of the plurality of channels are triangular in shape.

[0014] Preferably, the mesh holes of the plurality of channels are circular in shape.

[0015] Preferably, a frame is provided outside the packing rack; the frame includes two side plates and an end plate, the two side plates are symmetrically arranged at both ends of the end plate, the closed ends of the plurality of channels are connected to the inner side wall of the end plate, and the outer side wall of the packing rack is connected to the inner side wall of the side plate.

[0016] Preferably, the blocking member is a cover plate, and the cover plate is located at one end of the side plate away from the end plate; turning plates extend vertically outward at one end of the two side plates away from the end plate and at the open end of the packing rack; a plurality of card holes are provided on the turning plates, and card blocks corresponding to the card holes one by one are provided on the cover plate; a reinforcing plate is provided between adjacent two connecting plates in the same column, and the reinforcing plate is located at the connection of adjacent channels.

[0017] The beneficial effects of the present utility model are:

[0018] Inside the floating ball packing of the present utility model: a bent portion is provided at the middle part of the blade structure, and the bent portion is used to adjust the inclination angle of the blade to optimize the blade rotation effect. The first smooth coating structure and the second smooth coating structure respectively provided on the upper and lower surfaces of the blade structure can effectively reduce the friction between the blade structure and the water flow during rotation, achieving the effect of accelerating the rotation speed; a streamline curved surface structure is provided on the surface of the blade structure, which can reduce resistance and accelerate the rotation effect of the blade structure inside the floating ball packing.

[0019] In the semi-fixed MBBR packing module of the present utility model, multiple channels are provided, which have the advantages of both fluidized bed and fixed bed, play a role in limiting the suspended ball packing of the traditional fluidized bed biofilm reactor, improve the hydrodynamic performance, further improve the film hanging stability of the fixed bed biofilm reactor, and are convenient for standardized production and simplify the difficulty of later operation. A frame is also provided, which can not only protect the packing rack, but also facilitate the fixation of the frame with the integrated equipment. Description of the Drawings

[0020] Figure 1 is the front view of the suspended ball packing;

[0021] Figure 2 is the top view of the suspended ball packing;

[0022] Figure 3 is the external structure schematic diagram of the blade structure of the suspended ball packing;

[0023] Figure 4 is the internal composition schematic diagram of the blade structure of the suspended ball packing;

[0024] Figure 5 is the side structure schematic diagram of the blade structure of the suspended ball packing;

[0025] Figure 6 is the schematic diagram of the semi-fixed MBBR packing module;

[0026] Figure 7 is the schematic diagram of multiple channels;

[0027] Figure 8 is the structure schematic diagram of the flap and the card hole;

[0028] Figure 9 is Figure 8 the enlarged view of A in

[0029] Figure 10 is the structure schematic diagram of the cover plate and the card block;

[0030] Figure 11 is another schematic diagram of the semi-fixed MBBR packing module;

[0031] Figure 12 is Figure 11 the enlarged view of part B in

[0032] Description of the reference numerals: honeycomb slot structure 1, upper hemisphere 2, hexagon screw 3, first fixed chuck 4, second fixed chuck 5, lower hemisphere 6, blade structure 7, second threaded slot hole 8, bending part 9, first smooth coating structure 10, streamline curved surface structure 11, second smooth coating structure 12, first threaded slot hole 13, channel 14, blocking member 15, floating ball packing 16, packing module 17, packing rack 18, connecting plate 19, frame 20, side plate 21, end plate 22, cover plate 23, flap 24, card hole 25, card block 26, reinforcing plate 27. Detailed implementation manners

[0033] The following further describes the present utility model in conjunction with embodiments. The description of the following embodiments is only used to help understand the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

[0034] Embodiment 1

[0035] As Figures 1 to 5 、 Figure 8 、 Figure 10 、 Figure 11 and Figure 12 shown, a semi-fixed MBBR packing module with highly efficient aeration floating ball packing, the floating ball packing 16 includes an upper hemisphere 2 and a lower hemisphere 6. The outer surface of the upper hemisphere 2 is provided with a first fixed chuck 4, and the outer surface of the lower hemisphere 6 is provided with a second fixed chuck 5. The first fixed chuck 4 and the second fixed chuck 5 are fixedly connected by a hexagon screw 3. The upper end surface of the first fixed chuck 4 is fixedly connected with a blade structure 7 by a screw;

[0036] Inside the floating ball packing 16: a bending part 9 is provided at the middle part of the blade structure 7; the upper end surface of the blade structure 7 is coated with a first smooth coating structure 10, and the lower end surface of the blade structure 7 is coated with a second smooth coating structure 12; a streamline curved surface structure 11 is provided on the surface of the blade structure 7;

[0037] The packing module 17 includes more than one channel 14. The mesh holes of the multiple channels 14 are triangular in shape. One end of each channel 14 is closed and the other end is open, and a blocking member 15 is detachably connected to the open end; the whole of each channel 14 is cylindrical; a plurality of floating ball packings 16 are installed in the packing module 17; the size of the channel 14 is larger than the size of the floating ball packing 16, and the floating ball packing 16 can be flexibly loaded into the channel 14, or the floating ball packing 16 can be flexibly poured out of the channel 14. The blocking member 15 is a cover plate 23.

[0038] AsFigure 7 As shown in the figure, inside the packing module 17: a plurality of channels 14 are arranged in parallel, and a common side wall is shared between adjacent channels 14 to form an integral body, which is the packing rack 18. As Figure 6 shown, a frame 20 is provided outside the packing rack 18. The frame 20 includes two side plates 21 and an end plate 22. The two side plates 21 are symmetrically arranged at both ends of the end plate 22 to form a "U" - shaped structure. The closed ends of the plurality of channels 14 are connected to the inner side wall of the end plate 22, and the inner side walls of the two side plates 21 are connected to the outer side wall of the packing rack 18; a cover plate 23 is located at one end of the side plate 21 away from the end plate 22. Flaps 24 extend vertically outward from one end of the two side plates 21 away from the end plate 22 and the open end of the packing rack 18. A plurality of card holes 25 are formed on the flaps 24, and card blocks 26 corresponding to the card holes 25 one - to - one are provided on the cover plate 23.

[0039] As Figure 9 shown, a plurality of connecting plates 19 are evenly spaced along the length direction between adjacent channels 14. Both sides of the connecting plate 19 extend to the outer side walls of adjacent channels 14. The distance between two adjacent connecting plates 19 in the same column is greater than the diameter of the suspended - ball packing. A reinforcing plate 27 is provided between two adjacent connecting plates 19 in the same column, and the reinforcing plate 27 is located at the connection of adjacent channels 14.

[0040] As Figure 11 shown, the plurality of channels 14, the reinforcing plates 27, the connecting plates 19, the frame 20, and the flaps 24 are integrally injection - molded, and the cover plate 23 is injection - molded.

[0041] Embodiment 2

[0042] On the basis of Embodiment 1, a semi - fixed MBBR packing module with high - efficiency aeration suspended - ball packing includes more than one cylindrical plurality of channels 14. The mesh shape of the plurality of channels 14 is triangular, and one end of the plurality of channels 14 is closed and the other end is open. The rest is the same as Embodiment 1.

[0043] Embodiment 3

[0044] On the basis of Embodiment 1, another semi - fixed MBBR packing module with high - efficiency aeration suspended - ball packing includes more than one cylindrical plurality of channels 14. The mesh shape of the plurality of channels 14 is circular, including large round holes and small round holes distributed at intervals, facilitating more water flow through the plurality of channels 14. The rest is the same as Embodiment 1.

[0045] Embodiment 4

[0046] On the basis of Embodiment 2:

[0047] The upper hemisphere 2 and the lower hemisphere 6 of the floating ball packing 16 are both provided with a honeycomb slot structure 1; a microbial sponge block structure for aeration is placed inside the upper hemisphere 2 and the lower hemisphere 6.

[0048] A plurality of blade structures 7 are provided. The surface of the blade structure 7 is provided with a first threaded slot hole 13, and the surfaces of the first fixing chuck 4 and the second fixing chuck 5 are provided with a second threaded slot hole 8; the installation position of the blade structure 7 is adjusted according to the position of the second threaded slot hole 8.

[0049] The bent portion 9 is a soft metal structure made of copper that can be bent and deformed.

[0050] Example 5

[0051] On the basis of Example 4, the bent portion 9 is a soft metal structure made of aluminum that can be bent and deformed, and the rest is the same as Example 4.

[0052] Example 6

[0053] On the basis of Example 3:

[0054] The upper hemisphere 2 and the lower hemisphere 6 of the floating ball packing 16 are both provided with a honeycomb slot structure 1; a microbial sponge block structure for aeration is placed inside the upper hemisphere 2 and the lower hemisphere 6.

[0055] A plurality of blade structures 7 are provided. The surface of the blade structure 7 is provided with a first threaded slot hole 13, and the surfaces of the first fixing chuck 4 and the second fixing chuck 5 are provided with a second threaded slot hole 8; the installation position of the blade structure 7 is adjusted according to the position of the second threaded slot hole 8.

[0056] The bent portion 9 is a soft metal structure made of copper that can be bent and deformed.

[0057] Example 7

[0058] On the basis of Example 6, the bent portion 9 is a soft metal structure made of aluminum that can be bent and deformed, and the rest is the same as Example 4.

Claims

1. A semi-fixed MBBR packing module with efficient aeration suspended ball packing. The suspended ball packing (16) includes an upper hemispherical body (2) and a lower hemispherical body (6). A first fixed chuck (4) is arranged on the outer surface of the upper hemispherical body (2), and a second fixed chuck (5) is arranged on the outer surface of the lower hemispherical body (6). The first fixed chuck (4) and the second fixed chuck (5) are fixedly connected by a hexagonal screw (3). A blade structure (7) is fixedly connected to the upper end surface of the first fixed chuck (4) by a screw. It is characterized in that: Inside the suspended ball packing (16): A bending part (9) is arranged at the middle part of the blade structure (7); A first smooth coating structure (10) is coated on the upper end surface of the blade structure (7), and a second smooth coating structure (12) is coated on the lower end surface of the blade structure (7); A streamline curved surface structure (11) is arranged on the surface of the blade structure (7); The packing module (17) includes more than one channel (14). One end of each channel (14) is closed and the other end is open, and a blocking part (15) is detachably connected to the open end; The whole of each channel (14) is cylindrical; A plurality of suspended ball packings (16) are installed in the packing module (17); The size of the channel (14) is larger than the size of the suspended ball packing (16), and the suspended ball packing (16) can be flexibly loaded into the channel (14), or the suspended ball packing (16) can be flexibly poured out of the channel (14).

2. The semi-fixed MBBR packing module with highly efficient aeration suspension ball packing according to claim 1, characterized in that: Honeycomb slot hole structures (1) are arranged on the surfaces of both the upper hemispherical body (2) and the lower hemispherical body (6) of the suspended ball packing (16); A microbial sponge block structure for aeration is placed inside the upper hemispherical body (2) and the lower hemispherical body (6).

3. The semi-fixed MBBR packing module with high-efficiency aeration suspended ball packing according to claim 1, characterized in that: A plurality of the blade structures (7) are arranged. First threaded slot holes (13) are arranged on the surface of the blade structure (7), and second threaded slot holes (8) are arranged on the surfaces of the first fixed chuck (4) and the second fixed chuck (5); The installation position of the blade structure (7) is adjusted according to the position of the second threaded slot hole (8).

4. The semi-fixed MBBR packing module with high-efficiency aeration suspended sphere packing according to claim 1, characterized in that: The bending part (9) is a soft metal structure made of copper or aluminum that can be bent and deformed.

5. The semi-fixed MBBR packing module with highly efficient aeration suspended ball packing according to claim 1, characterized in that, Inside the packing module (17): A plurality of the channels (14) are arranged in parallel. Adjacent channels share a side wall, and all channels and all side walls form an integral packing rack (18).

6. The semi-fixed MBBR packing module with highly efficient aerated suspended packing balls according to claim 5, characterized in that: A plurality of connecting plates (19) are evenly spaced along the length direction between adjacent channels (14), and both sides of the connecting plate (19) extend to the outer side walls of adjacent channels (14).

7. The semi-fixed MBBR packing module with highly efficient aeration suspended ball packing according to claim 6, characterized in that: The mesh shapes of a plurality of the channels (14) are triangular.

8. The semi-fixed MBBR packing module with highly efficient aeration suspended ball packing according to claim 6, characterized in that: The mesh shapes of a plurality of the channels (14) are circular.

9. The semi-fixed MBBR packing module with high-efficiency aeration suspended ball packing according to claim 7 or 8, characterized in that: A frame (20) is arranged outside the packing rack (18); The frame (20) includes two side plates (21) and an end plate (22). The two side plates (21) are symmetrically arranged at both ends of the end plate (22). The closed ends of a plurality of the channels (14) are connected to the inner side wall of the end plate (22), and the outer side wall of the packing rack (18) is connected to the inner side wall of the side plate (21).

10. The semi-fixed MBBR packing module with highly efficient aeration suspended ball packing according to claim 9, characterized in that: The blocking member (15) is a cover plate (23), and the cover plate (23) is located at one end of the side plate (21) away from the end plate (22); at one end of the two side plates (21) away from the end plate (22) and the open end of the packing rack (18), there are flap plates (24) extending vertically outward; a number of card holes (25) are formed in the flap plates (24), and the cover plate (23) is provided with card blocks (26) that are correspondingly clamped with the card holes (25) one by one; a reinforcing plate (27) is provided between two adjacent connecting plates (19) in the same column, and the reinforcing plate (27) is located at the connection of adjacent channels (14).