Aerobic biofilter assembly for enhancing microbial attachment

By using a honeycomb-shaped attachment substrate and modified plastic materials in the aerobic biological filter assembly, combined with the lifting frame and filter components, the problem of inconvenient maintenance of conventional components is solved, and the efficiency of microbial attachment and wastewater treatment effect are improved.

CN224147895UActive Publication Date: 2026-04-21ZHEJIANG XIEHENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG XIEHENG TECH CO LTD
Filing Date
2025-05-23
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Conventional aerobic biological filter components are inconvenient to maintain in terms of packing structure, time-consuming and labor-intensive to operate, and lack overall efficiency and practicality.

Method used

The honeycomb-structured attachment substrate and modified plastic material increase the specific surface area and porosity. Combined with the lifting frame assembly and adjustment frame structure, it facilitates the attachment and growth of microorganisms. The wastewater is pretreated by the filter assembly to remove harmful substances and adjust the water flow rate to promote microbial attachment.

Benefits of technology

It improves the stability and efficiency of microbial attachment, reduces the shear force of water flow on microorganisms, enhances the porosity structure of the packing material, and promotes microbial growth and wastewater treatment effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aerobic biofilter assembly for strengthening microbial attachment, which relates to the technical field of aerobic biofilters and comprises a filter component and an attachment assembly, lifting frame groups are erected on the left side and the right side of the filter component, and the attachment assembly is movably mounted at the bottom of an adjusting frame. A filtering assembly is mounted on the vertical surface of the front side of the filtering tank component. According to the aerobic biofilter assembly for strengthening microbial adhesion, the adjusting frame is arranged, the surface area for microbial adhesion and growth on the surface of the filler can be controlled to the maximum extent by utilizing the structural arrangement of the adjusting frame, and the filler amount and the microbial adhesion can be flexibly controlled as required by matching with the structural arrangement of the adjusting frame and the lifting frame group; in addition, the filter assembly is arranged on one side of the filter tank component, and heavy metal components contained in the sewage can be controlled while the water flow speed and flow can be adjusted by utilizing the structure of the filter assembly, so that the attachment and growth environment of microorganisms is optimized.
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Description

Technical Field

[0001] This utility model relates to the field of aerobic biological filter technology, specifically an aerobic biological filter component that enhances microbial attachment. Background Technology

[0002] Aerobic biological filters, also known as aerated biological filters (BAF), are a new type of wastewater treatment technology developed in Europe and America in the late 1980s. They consist of an aeration system, a water distribution system, biological filters, and a power system, and have the functions of biological oxidation and retention of suspended solids.

[0003] Conventional aerobic biological filter components are limited by their structural design, making maintenance of their internal packing structure inconvenient, time-consuming, and labor-intensive, resulting in shortcomings in overall efficiency and practicality. Summary of the Invention

[0004] The purpose of this invention is to provide an aerobic biofilter assembly that enhances microbial attachment, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an aerobic biological filter assembly for enhancing microbial attachment, comprising a filter assembly and an attachment assembly. Lifting frames are mounted on both the left and right sides of the filter assembly, and an adjusting frame is connected to the side of the lifting frame assembly closest to the vertical central axis of the filter assembly. The attachment assembly is movably mounted on the bottom of the adjusting frame. A filtration assembly is mounted on the front facade of the filter assembly. The attachment assembly includes a fixing plate, a support frame, and an attachment base plate. Support frames are symmetrically mounted on the bottom of the fixing plate, and attachment base plates are mounted between the two sets of support frames.

[0006] Furthermore, the filter component includes a tank body, a docking valve pipe, a drain valve pipe, and a base. The docking valve pipe is provided on the side surface of the tank body near the filter assembly, and the drain valve pipe is provided on the side of the tank body away from the filter assembly. The base is provided at the bottom of both the left and right sides of the tank body.

[0007] Furthermore, the lifting frame assembly includes a stabilizing frame, a guide rail, a support base, and a lifting column. The stabilizing frame has a guide rail horizontally mounted on its surface near the adjusting frame, and support bases are provided at both ends of the stabilizing frame away from the guide rail. The lifting column is vertically mounted on the bottom of the support base.

[0008] Furthermore, the bottom of the lifting column is installed on the top of the base, and the stabilizer and the support are integrated into one structure.

[0009] Furthermore, the adjustment frame includes an assembly frame, a support slider, and a limit bolt. The assembly frame is equipped with support sliders at both the left and right ends, and the support sliders are vertically equipped with limit bolts at both the upper and lower ends.

[0010] Furthermore, the support slider and the limiting bolt are connected by threads, and the support slider adopts a slotted embedded structure and is connected to the guide rail. The fixing plate is movably installed on the bottom surface of the assembly frame, and the attachment base plate adopts a honeycomb structure.

[0011] Furthermore, the filtration assembly includes a first heavy metal filter tank, a second heavy metal filter tank, a frame, a fixing pile, a combined pipe, a control valve, and a delivery pipe. The second heavy metal filter tank is horizontally arranged below the first heavy metal filter tank, and the frame is connected to both ends of the second and first heavy metal filter tanks. The fixing pile is connected to the side of the frame closer to the filter tank component, and the combined pipe is connected to the common side of the second and first heavy metal filter tanks. The control valve is connected to the end of the first heavy metal filter tank away from the combined pipe, and the delivery pipe is connected to the end of the second heavy metal filter tank away from the combined pipe.

[0012] Furthermore, the end of the delivery pipe furthest from the second heavy metal filter tank is connected to the docking valve pipe via a quick-connect structure, and the first and second heavy metal filter tanks have the same structure.

[0013] This invention provides an aerobic biofilter component that enhances microbial attachment, which has the following beneficial effects:

[0014] 1. In this invention, the attachment substrate adopts a honeycomb structure, thereby increasing its internal specific surface area and porosity. This allows the internal packing to form a sufficiently porous layer structure, further increasing the high specific surface area and providing more attachment space for microorganisms. The high porosity is conducive to the inhabitation of microorganisms inside the packing and facilitates the entry of nutrients from wastewater into the packing, promoting microbial growth. Simultaneously, this structure appropriately increases the surface roughness of the packing. During the packing manufacturing process, the surface is roughened by adding small particles or creating textures. This rough surface allows water flow to form small eddies and turbulence on the packing surface, reducing the shear force of the water flow on the microorganisms and promoting microbial attachment. Furthermore, the attachment substrate itself uses a specially modified plastic material, such as an ES / PP blend. This material carries a positive charge on its surface, attracting negatively charged microorganisms, making it easier for microorganisms to attach and fix on the carrier surface. This ensures the stability and effectiveness of microbial attachment and growth as much as possible.

[0015] This invention utilizes a filter assembly installed on one side of the filter tank component. The structure of the first and second heavy metal filter tanks effectively pre-treats wastewater, removing heavy metal ions, toxic organic matter, and other harmful substances. Heavy metal ions are removed through chemical precipitation, and toxic organic matter is removed through activated carbon adsorption. The control valve allows for appropriate adjustment of the water flow rate and velocity entering the tank, influencing the adhesion of microorganisms to the packing material. Appropriate water flow promotes microbial adhesion and growth while preventing clogging. Furthermore, the inclusion of a lifting frame assembly and an adjusting frame allows for horizontal displacement of the entire adjusting frame, along with the bottom attachment assembly, along the guide rail surface. This enables adjustment of the number of attachment assemblies within a certain range and the spacing between them, facilitating effective microbial adhesion and growth. The vertical telescopic structure of the lifting column allows for vertical adjustment of the attachment assemblies connected to the adjusting frame and lifting frame assembly, facilitating structural maintenance of the attachment assemblies. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main body of an aerobic biofilter assembly for enhancing microbial attachment according to the present invention.

[0017] Figure 2 This is a schematic diagram of the filter component structure of an aerobic biofilter assembly for enhancing microbial attachment according to the present invention.

[0018] Figure 3 This is a three-dimensional structural diagram of the lifting frame assembly of an aerobic biological filter component for enhancing microbial attachment according to the present invention.

[0019] Figure 4 This is a three-dimensional structural diagram of the adjustment frame and attachment component of an aerobic biofilter assembly for enhancing microbial attachment according to the present invention.

[0020] Figure 5 This is a three-dimensional structural diagram of an aerobic biofilter assembly for enhancing microbial attachment according to the present invention.

[0021] In the diagram: 1. Filter tank components; 101. Tank body; 102. Connecting valve pipe; 103. Drain valve pipe; 104. Base; 2. Lifting frame assembly; 201. Stabilizing frame; 202. Guide rail; 203. Support seat; 204. Lifting column; 3. Adjusting frame; 301. Assembly frame; 302. Support slider; 303. Limit bolt; 4. Attachment assembly; 401. Fixing plate; 402. Support frame; 403. Attachment base plate; 5. Filter assembly; 501. First heavy metal filter tank; 502. Second heavy metal filter tank; 503. Combination frame; 504. Fixing pile; 505. Combination pipe; 506. Control valve; 507. Conveying pipe. Detailed Implementation

[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0023] like Figures 1 to 5 As shown, an aerobic biological filter assembly for enhancing microbial attachment includes a filter component 1 and an attachment component 4. Lifting frame assemblies 2 are mounted on both the left and right sides of the filter component 1, and an adjusting frame 3 is connected to the side of the lifting frame assembly 2 closest to the vertical central axis of the filter component 1. The attachment component 4 is movably installed at the bottom of the adjusting frame 3. A filter assembly 5 is installed on the front facade of the filter component 1. The attachment component 4 includes a fixing plate 401, a support frame 402, and an attachment base plate 403. The support frames 402 are symmetrically installed on the bottom of the fixing plate 401, and the attachment base plate 403 is installed between the two sets of support frames 402. The filter component 1 includes a tank body 101 and a connecting valve pipe 1. 02. Drain valve pipe 103 and base 104: A docking valve pipe 102 is provided on the side surface of the pool body 101 near the filter component 5, and a drain valve pipe 103 is provided on the side of the pool body 101 away from the filter component 5. Bases 104 are provided at the bottom of both the left and right sides of the pool body 101. Since the attachment substrate 403 adopts a honeycomb structure, it increases its internal specific surface area and porosity. In addition, the attachment substrate 403 itself uses a specially modified plastic material, such as ES / PP blended material. This material has a positive charge on its surface, which can attract negatively charged microorganisms, making it easier for microorganisms to attach and fix on the carrier surface.

[0024] like Figures 1 to 5As shown, the adjusting frame 3 includes an assembly frame 301, a support slider 302, and a limiting bolt 303. Support sliders 302 are installed at both ends of the assembly frame 301, and limiting bolts 303 are vertically installed at both ends of the support sliders 302. The support sliders 302 and the limiting bolts 303 are connected by threads. The support sliders 302 adopt a slotted embedded structure and are connected to the guide rail 202. The fixing plate 401 is movably installed on the bottom surface of the assembly frame 301. The attachment base plate 403 adopts a honeycomb structure. The lifting frame assembly 2 includes a stabilizing frame 201, a guide rail 202, and a support base 20. The base 104 and the lifting column 204 are connected. A guide rail 202 is horizontally mounted on the surface of the stabilizer 201 near the adjusting frame 3. Support seats 203 are provided at both ends of the stabilizer 201 away from the guide rail 202. The lifting column 204 is vertically mounted on the bottom of the support seat 203. The bottom of the lifting column 204 is mounted on the top of the base 104. The stabilizer 201 and the support seat 203 are integrally formed. The filter assembly 5 includes a first heavy metal filter tank 501, a second heavy metal filter tank 502, a combination frame 503, a fixing pile 504, a combination pipe 505, a control valve 506, and a delivery pipe 5. 07. A second heavy metal filter tank 502 is horizontally arranged below the first heavy metal filter tank 501. Both ends of the second heavy metal filter tank 502 and the first heavy metal filter tank 501 are connected to and installed with a combination frame 503. A fixing pile 504 is connected to the side of the combination frame 503 closest to the filter tank component 1. A combination pipe 505 is connected to and installed on the common side of the second heavy metal filter tank 502 and the first heavy metal filter tank 501. A control valve 506 is connected to and installed at the end of the first heavy metal filter tank 501 away from the combination pipe 505. The second heavy metal filter tank 502 is located away from the combination pipe 505. One end of pipe 505 is connected to a conveying pipe 507. The end of conveying pipe 507 away from the second heavy metal filter tank 502 is connected to the docking valve pipe 102 through a quick connector structure. The first heavy metal filter tank 501 and the second heavy metal filter tank 502 have the same structure. Using the support sliders 302 at both ends of the assembly frame 301, the entire adjustment frame 3, together with the bottom attachment component 4, can be horizontally moved along the surface of the guide rail 202. This allows the attachment component 4 to be adjusted appropriately within a certain range as needed, and also allows for adjustment of the structural spacing between them.

[0025] In summary, as Figures 1 to 5As shown, in use, the aerobic biological filter assembly for enhancing microbial attachment first selects a certain number of adjustment frames 3 and attachment components 4 as needed. The attachment substrate 403, which is filled with a sufficient number of packing materials, is fixed to the bottom surface of the assembly frame 301 by using the top fixing plate 401 of the two side support frames 402 and the use of bolts. Then, the sliding blocks 302 at both ends of the assembly frame 301 are used to install and connect to the surface of the guide rail 202. In this way, several adjustment frames 3, attachment components 4 and lifting frame assembly 2 are connected and combined. Finally, the structure of the limit bolt 303 is used to tighten the combination tightness between the guide rail 202 and the support sliding block 302 to ensure the stability of the device structure.

[0026] Then, under the structural operation of the lifting column 204, the top end is driven to use the support seat 203 to connect with the stabilizing frame 201, while the adjusting frame 3 and the attachment component 4 connected to the guide rail 202 are lowered in the vertical direction, and the attachment component 4 is submerged in the interior of the pool body 101.

[0027] Subsequently, under the operation of the filter assembly 5, the sewage in the upstream equipment will be connected to the control valve 506 through the pipeline structure and transported to the first heavy metal filter tank 501 and the second heavy metal filter tank 502 connected to it through the combination pipe 505, so as to perform appropriate pretreatment filtration of the sewage. Then, it will be injected into the tank body 101 through the connecting valve pipe 102 through the delivery pipe 507 for subsequent processing.

[0028] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. An aerobic biofilter assembly for enhanced microbial attachment comprising a filter member (1) and an attachment assembly (4) characterised in that: Lifting frame assemblies (2) are installed on both the left and right sides of the filter tank component (1), and an adjustment frame (3) is connected to the side of the lifting frame assembly (2) near the vertical central axis of the filter tank component (1). The attachment assembly (4) is movably installed at the bottom of the adjustment frame (3). A filter assembly (5) is installed on the front side of the filter tank component (1). The attachment assembly (4) includes a fixing plate (401), a support frame (402), and an attachment base plate (403). The support frame (402) is symmetrically installed on the bottom of the fixing plate (401), and the attachment base plate (403) is installed in the middle of the two sets of support frames (402).

2. An enhanced microbial attachment aerobic biofilter assembly according to claim 1, wherein, The filter component (1) includes a tank body (101), a docking valve pipe (102), a drain valve pipe (103), and a base (104). The docking valve pipe (102) is provided on the side surface of the tank body (101) near the filter assembly (5), and the drain valve pipe (103) is provided on the side of the tank body (101) away from the filter assembly (5). Furthermore, the base (104) is provided at the bottom of both the left and right sides of the tank body (101).

3. An enhanced microbial attachment aerobic biofilter assembly according to claim 2, wherein, The lifting frame assembly (2) includes a stabilizer (201), a guide rail (202), a support seat (203), and a lifting column (204). The stabilizer (201) has a guide rail (202) horizontally mounted on the side surface near the adjusting frame (3), and the stabilizer (201) has support seats (203) at both ends on the side away from the guide rail (202). The bottom of the support seat (203) has a lifting column (204) vertically mounted.

4. An enhanced microbial attachment aerobic biofilter assembly according to claim 3, wherein, The bottom of the lifting column (204) is installed on the top of the base (104), and the stabilizer (201) and the support (203) are integrated into one structure.

5. An enhanced microbial attachment aerobic biofilter assembly according to claim 3, wherein, The adjustment frame (3) includes an assembly frame (301), a support slider (302) and a limit bolt (303). The support slider (302) is installed on both the left and right ends of the assembly frame (301), and the limit bolt (303) is installed vertically on both the upper and lower ends of the support slider (302).

6. An enhanced microbial attachment aerobic biofilter assembly according to claim 5, wherein, The support slider (302) and the limiting bolt (303) are connected by threads, and the support slider (302) adopts a slotted embedded structure to connect and combine with the guide rail (202). The fixing plate (401) is movably installed on the bottom surface of the assembly frame (301), and the attachment base plate (403) adopts a honeycomb structure.

7. An enhanced microbial attachment aerobic biofilter assembly according to claim 2, wherein, The filter assembly (5) includes a first heavy metal filter tank (501), a second heavy metal filter tank (502), a combination frame (503), a fixing pile (504), a combination pipe (505), a control valve (506), and a delivery pipe (507). The second heavy metal filter tank (502) is horizontally arranged below the first heavy metal filter tank (501), and the combination frame (503) is connected to both ends of the second heavy metal filter tank (502) and the first heavy metal filter tank (501). The fixing pile (504) is connected to the side of the combination frame (503) closest to the filter tank component (1), and the combination pipe (505) is connected to the common side of the second heavy metal filter tank (502) and the first heavy metal filter tank (501). At the same time, the control valve (506) is connected to the end of the first heavy metal filter tank (501) away from the combination pipe (505), and the delivery pipe (507) is connected to the end of the second heavy metal filter tank (502) away from the combination pipe (505).

8. An aerobic biofilter assembly for enhancing microbial attachment according to claim 7, characterized in that, The end of the delivery pipe (507) away from the second heavy metal filter tank (502) is connected to the docking valve pipe (102) through a quick connector structure, and the first heavy metal filter tank (501) and the second heavy metal filter tank (502) have the same structure.