A pollution purification device based on biofilm dynamic coupling

Abstract

The utility model provides a kind of based on biological membrane dynamic coupling's pollutant purification device, it is related to water environment management technical field, comprising: single organism basket;The single organism basket has multiple mutually nested series and constitutes the main frame structure of the shape of the Chinese character of the open end of main frame structure is hard revetment;The hard revetment is equipped with drain in the middle position of corresponding main frame structure;Composite fiber planting bed is hung in the main frame structure of single organism basket composition by steel wire rope.The utility model can more efficiently remove suspended solids, ammonia nitrogen, total phosphorus and other various pollutants in drain outlet by the synergistic effect of multilayer filter material bin's grading treatment and plant purification module, compared with existing device, the removal rate of ammonia nitrogen and total phosphorus can be significantly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water environment treatment, in particular to a pollutant purification device based on dynamic coupling of biofilms. Background Technique

[0002] Currently, the field of water pollutant purification generally faces problems such as poor adaptability of traditional devices, low purification efficiency, and high operation and maintenance costs. Fixed purification structures are difficult to adapt to complex shoreline configurations, and single treatment units are prone to clogging and insufficient biofilm activity, resulting in unstable removal effects of nitrogen, phosphorus, and organic matter. In the prior art, biofilters often exhibit short-circuit phenomena due to uneven water flow distribution, and the aeration system has high energy consumption and is prone to clogging the partition holes; while ecological floating beds can utilize plant absorption, but lack a multi-level biofilm coordination mechanism and are difficult to cope with high-load pollution. In addition, modular devices mostly adopt rigid connections and cannot adapt to water level fluctuations, and the lack of an online monitoring function further makes operation regulation lack data support. Content of the Utility Model

[0003] The utility model relates to a pollutant purification device based on dynamic coupling of biofilms, which ingeniously integrates various pollutant removal mechanisms such as physical filtration, adsorption, biofilm degradation (attached to the bio-substrate, MBBR layer, and filter media surface), and plant absorption through modular combination of monomeric bio-baskets, dynamic suspension of composite fiber planting beds, hierarchical treatment of multi-level filter media (coarse filter media, fine filter media, and their sub-layers), targeted aeration design, ecological purification of emergent plants, and introduction of online monitoring.

[0004] The utility model provides a pollutant purification device based on dynamic coupling of biofilms, specifically including: monomeric bio-baskets; the monomeric bio-baskets are nested and connected in series to form a "匚"-shaped main frame structure, and the open end of the main frame structure is a rigid revetment; a drain port is provided at the middle position of the rigid revetment corresponding to the main frame structure; a composite fiber planting bed is suspended in the main frame structure formed by the monomeric bio-baskets through steel wires, and bio-substrates are evenly suspended at intervals at the bottom of the composite fiber planting bed, and emergent plants are planted at the upper ends of both the composite fiber planting bed and the monomeric bio-baskets; a water quality online monitoring module is evenly arranged at intervals in the composite fiber planting bed.

[0005] Optionally, the frame of the monomeric bio-basket is a galvanized steel frame with a size of 40×40×3 mm, and a 200 g / m 2 fiber filter cloth is pasted inside the galvanized steel frame. A vertical unobstructed punching partition is provided in the middle of the monomeric bio-basket, and an air pipe is provided in the monomeric bio-basket at the bottom of the unobstructed punching partition, and the air holes of the air pipe face upward towards the unobstructed punching partition.

[0006] Optionally, the monomeric bio-baskets on both sides of the unobstructed punching partition are respectively filled with coarse filter media and fine filter media.

[0007] Optionally, the fine filter media consists of an activated carbon-ceramsite layer, an MBBR biofilm layer, and a volcanic rock coarse filter layer.

[0008] Optionally, at the four corners of the individual biological basket, embedded fixed pile sleeves and embedded fixed pile core tubes are respectively embedded, with the embedded fixed pile sleeves and embedded fixed pile core tubes facing each other, and the embedded fixed pile sleeves and embedded fixed pile core tubes are vertically slidably nested with the embedded fixed pile core tubes and embedded fixed pile sleeves on other adjacent individual biological baskets.

[0009] This invention provides a pollutant purification device based on dynamic coupling of a biofilm, which has the following beneficial effects:

[0010] This invention, through the graded treatment of multi-layer filter media and the synergistic effect of plant purification modules, can more efficiently remove various pollutants such as suspended solids, ammonia nitrogen, and total phosphorus from sewage outlets. Compared with existing devices, the removal rates of ammonia nitrogen and total phosphorus can be significantly improved.

[0011] The integrated intelligent control system in this invention enables automated operation and precise control of the device. It can automatically adjust operating parameters based on real-time water quality data to ensure that the treated water consistently meets standards. Simultaneously, it reduces the cost of manual intervention and improves the device's operating efficiency and management convenience.

[0012] The optimized device structure in this invention is more flexible and can be customized in design and installation according to the size, shape, and revetment type of different sewage outlets. Whether it's a vertical or sloping revetment, or a large or small sewage outlet, it can better meet actual needs and exert a good purification effect.

[0013] This invention improves the aeration system and filter media, enhancing the operational stability and durability of the device. The intelligent control system's monitoring and protection functions provide real-time warnings of equipment malfunctions, enabling timely maintenance and repair, effectively extending the device's lifespan and reducing replacement costs. The biofilm shedding mechanism effectively extends the lifespan of the packing material and reduces maintenance frequency.

[0014] The addition of plant purification modules not only enhances the purification function but also beautifies the surrounding environment, increases the ecological diversity and landscape value of the water body, and achieves an organic combination of pollution control and ecological environment improvement. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0016] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 A schematic diagram of the three-dimensional structure of the single biological basket of this utility model is shown;

[0019] Figure 2 A top view schematic diagram of the single biological basket of this utility model is shown;

[0020] Figure 3 This diagram shows the main structural view of the single biological basket of this utility model;

[0021] Figure 4 A side view of the single biological basket of this utility model is shown;

[0022] Figure 5 A top view of the main structure of this utility model is shown;

[0023] Figure 6 This utility model illustrates Figure 5 Schematic diagram of the cross-sectional structure at position 1-1;

[0024] Figure 7 This utility model illustrates Figure 5 Schematic diagram of the cross-sectional structure at position 2-2.

[0025] List of reference numerals in the attached diagram:

[0026] 1. Individual biological basket; 101. Unobstructed perforated partition; 102. Coarse filter media; 103. Fine filter media; 104. Embedded fixed pile sleeve; 105. Embedded fixed pile core tube; 2. Composite fiber planting bed; 201. Bio-based; 3. Hard revetment; 4. Outlet; 5. Online water quality monitoring module. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Please refer to Figures 1 to 7 :

[0029] Embodiment: The present utility model proposes a pollutant purification device based on dynamic coupling of biofilms, comprising: a monomeric biological basket 1; the monomeric biological basket 1 has a main frame structure in a "C" shape formed by multiple nested and connected in series, and the open end of the main frame structure is a rigid revetment 3; a drain port 4 is provided at the middle position of the rigid revetment 3 corresponding to the main frame structure; a composite fiber planting bed 2 is suspended in the main frame structure formed by the monomeric biological basket 1 by a steel wire rope, and bio-based materials 201 are evenly suspended at intervals at the bottom of the composite fiber planting bed 2, and emergent aquatic plants are planted at both the upper end of the composite fiber planting bed 2 and the upper end of the monomeric biological basket 1; a water quality on-line monitoring module 5 is evenly provided at intervals in the composite fiber planting bed 2.

[0030] Among them, the frame of the monomeric biological basket 1 is a galvanized steel border with a size of 40×40×3 mm, and 200 g / m 2 fiber filter cloth is pasted inside the galvanized steel border. A vertical unobstructed punching partition 101 is provided in the middle of the monomeric biological basket 1, and an air diffuser pipe is provided in the monomeric biological basket 1 at the bottom of the unobstructed punching partition 101, and the air holes of the air diffuser pipe face upward towards the unobstructed punching partition 101.

[0031] Among them, the monomeric biological basket 1 on both sides of the unobstructed punching partition 101 is respectively filled with coarse filter material 102 and fine filter material 103.

[0032] Among them, the fine filter material 103 is composed of an activated carbon-ceramsite layer, an MBBR biofilm layer and a volcanic rock coarse filter layer.

[0033] Among them, embedded fixed pile sleeves 104 and embedded fixed pile core pipes 105 are respectively fixed at the four corners of the monomeric biological basket 1. The embedded fixed pile sleeves 104 and the embedded fixed pile core pipes 105 are opposite to each other in pairs. The embedded fixed pile sleeves 104 and the embedded fixed pile core pipes 105 are respectively nested with the embedded fixed pile core pipes 105 and the embedded fixed pile sleeves 104 on the adjacent monomeric biological basket 1 in a vertically sliding manner.

[0034] The functions and effects of each of the above structures are further explained and described below to facilitate better understanding of the technical solution by those skilled in the art:

[0035] Multiple single - body biological baskets 1 are nested and connected in series to form a main framework in an approximate "匚" shape. This modular design significantly improves the flexibility and adaptability of the device, enabling it to be conveniently assembled and arranged according to the actual water body form. At the open end of the main framework, there is a rigid revetment 3. This revetment not only provides a stable support foundation and reliable installation and fixing points for the entire device, ensuring its structural stability in a complex water environment, but also has a drain port 4 specially opened in its middle position. The setting of this drain port 4 is crucial. It is usually connected to the water body to be purified (such as a sewage outlet or pollution source), serving as the inlet channel for polluted water to enter the device for purification treatment. Its design in the middle of the framework helps the uniform distribution of water flow within the device.

[0036] Inside the main framework composed of single - body biological baskets 1, a composite fiber planting bed 2 is suspended by steel wires. This suspension method gives the composite fiber planting bed 2 a certain degree of dynamic adaptability, enabling it to float with the water level change and maintain good contact with the water body. At the bottom of the composite fiber planting bed 2, biological substrates 201 are evenly suspended at intervals. These biological substrates 201 provide a large surface area for the attachment of microorganisms, which is the core area for forming a highly active biofilm and is directly responsible for the biodegradation of pollutants. The upper end of the composite fiber planting bed 2 and the upper end of the single - body biological basket 1 are both used for planting emergent plants. These emergent plants not only have the function of landscape beautification, but more importantly, their developed roots can absorb nutrients such as nitrogen and phosphorus in the water and improve the local micro - environment through root oxygen secretion, synergistically enhancing the purification effect. In addition, water quality on - line monitoring modules 5 are evenly arranged at intervals on the composite fiber planting bed 2. These water quality on - line monitoring modules 5 can real - time monitor the purification effect and water quality parameters (such as dissolved oxygen, pH, pollutant concentration, etc.) at different positions inside the device, providing immediate data support for optimizing operation management and evaluating the purification efficiency.

[0037] The structure of the single - body biological basket 1 itself also incorporates a number of key technologies. Its framework uses a galvanized steel border with a size of 40×40×3mm. This design ensures that the basket structure has sufficient mechanical strength and bearing capacity. At the same time, the galvanized treatment endows it with excellent corrosion resistance, extending the service life of the device in the water environment. Inside the galvanized steel border, 200g / m 2The filter cloth is made of fiber. This layer of fiber filter cloth forms the first barrier of physical filtration, effectively intercepting larger suspended particles and impurities in the water flow and preventing clogging of subsequent treatment units. A vertical, unobstructed perforated baffle 101 is installed in the middle of the individual biological basket 1. The key to this unobstructed perforated baffle 101 is its "unobstructed" perforation design. While physically separating the space inside the basket, the perforations ensure that water can flow smoothly through the baffle, enabling longitudinal migration and contact of pollutants within the basket. An aeration pipe is installed in the space of the individual biological basket 1 at the bottom of the unobstructed perforated baffle 101, with its air holes designed to face upwards directly towards the unobstructed perforated baffle 101. This arrangement allows the air bubbles generated by aeration to directly impact the unobstructed perforated baffle 101. On the one hand, it prevents the baffle holes from becoming clogged, ensuring unobstructed water flow. On the other hand, the rising air bubbles enhance the turbulence of the water, significantly increasing the dissolved oxygen content in the water. This provides sufficient oxygen for the aerobic microorganisms attached to the bio-based material 201 and the filter media, greatly promoting the aerobic biodegradation efficiency of organic pollutants.

[0038] The two sides of the unobstructed perforated baffle 101 are filled with coarse filter media 102 and fine filter media 103, respectively. This hierarchical filling strategy constructs a gradient of physical filtration and biological treatment from coarse to fine. The coarse filter media 102 layer mainly undertakes the primary filtration and biological treatment functions of further intercepting finer suspended solids and providing a substrate for microbial attachment. The fine filter media 103 layer represents a deeper treatment unit, which specifically includes an activated carbon-ceramsite layer, an MBBR biofilm layer, and a volcanic rock coarse filter layer. The activated carbon-ceramsite layer, with its huge specific surface area and adsorption capacity, efficiently adsorbs and removes dissolved organic matter, color, odor, and some trace pollutants; the MBBR biofilm layer utilizes suspended packing material (such as MBBR packing material) and the biofilm attached to its surface to provide extremely rich biomass and highly active microbial communities, specifically for enhanced biodegradation of dissolved organic matter and ammonia nitrogen; the bottom volcanic rock coarse filter layer has the dual functions of physical filtration (intercepting fine particles) and biological carrier (porous structure facilitates microbial attachment). The combination of these three layers achieves synergistic effects of multiple purification mechanisms, including physical adsorption, biodegradation, and filtration interception, within the space of the fine filter media 103.

[0039] Finally, in order to achieve a stable, flexible and adjustable connection between the single biological baskets 1, embedded fixing pile sleeves 104 and embedded fixing pile core tubes 105 are respectively fixed at the four corners of the single biological basket 1, and their positions are opposite to each other in pairs. This design means that at each corner of each single biological basket 1, there is both an embedded fixing pile sleeve 104 and an embedded fixing pile core tube 105. During assembly, the embedded fixing pile core tube 105 on an adjacent single biological basket 1 can be accurately inserted into the corresponding embedded fixing pile sleeve 104 on another single biological basket 1 to form a vertical sliding nested connection. This connection method is not only easy to operate and firmly connected, ensuring the stability and integrity of the entire "匚"-shaped main frame, but more importantly, it allows a certain sliding adjustment space between adjacent single biological baskets 1 in the vertical direction. This feature enables the entire device to adapt to the fluctuating changes in water level or to make fine adjustments in height during installation, greatly enhancing the adaptability and practicality of the device to the actual application environment.

[0040] In summary, through the modular combination of the single biological baskets 1, the dynamic suspension of the composite fiber planting bed 2, the hierarchical treatment of the multi-stage filter materials (coarse filter material 102, fine filter material 103 and their sub-layers), the targeted aeration design, the ecological purification of the emergent plants, and the introduction of on-line monitoring, the device ingeniously integrates various pollutant removal mechanisms such as physical filtration, adsorption, biofilm degradation (attached to the bio-substrate 201, MBBR layer and the surface of the filter material), and plant absorption, and significantly improves the purification efficiency, anti-blocking ability, operation stability and environmental adaptability through structural optimization, realizing the efficient and dynamic coupled purification of pollutants.

[0041] In this article, the following points need to be noted:

[0042] 1. The attached drawings of the embodiments of the present utility model only relate to the structures involved in the embodiments of the present utility model, and other structures can refer to the general design.

[0043] 2. Without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0044] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model.

Claims

1. A pollutant purification device based on biofilm dynamic coupling, comprising: Single biological basket (1); the single biological basket (1) has a main frame structure composed of multiple nested and connected in series to form a "C" shape, and the open end of the main frame structure is a rigid revetment (3); characterized in that a drain port (4) is provided at the middle position corresponding to the main frame structure in the rigid revetment (3); a composite fiber planting bed (2) is suspended by a steel wire rope in the main frame structure formed by the single biological basket (1), biological substrates (201) are evenly suspended at intervals at the bottom of the composite fiber planting bed (2), emergent plants are planted at the upper ends of both the composite fiber planting bed (2) and the single biological basket (1); and a water quality on-line monitoring module (5) is evenly arranged at intervals in the composite fiber planting bed (2).

2. The pollutant purification device based on biofilm dynamic coupling according to claim 1, characterized in that, The frame of the single biological basket (1) is a 40×40×3mm galvanized steel frame, with 200g / m² galvanized steel lining inside the frame. 2 The fiber filter cloth has a vertical unobstructed perforated partition (101) in the middle of the single biological basket (1). An aeration pipe is provided in the single biological basket (1) at the bottom of the unobstructed perforated partition (101), and the air holes of the aeration pipe face upward toward the unobstructed perforated partition (101).

3. The pollutant purification device based on biofilm dynamic coupling according to claim 2, characterized in that, In the single biological baskets (1) on both sides of the unobstructed punching partition board (101), there are coarse filter materials (102) and fine filter materials (103) respectively.

4. The pollutant purification device based on biofilm dynamic coupling according to claim 3, characterized in that, The fine filter material (103) is composed of an activated carbon-ceramsite layer, an MBBR biofilm layer and a volcanic rock coarse filter layer.

5. The pollutant purification device based on biofilm dynamic coupling according to claim 1, characterized in that, Embedded fixed pile sleeves (104) and embedded fixed pile core pipes (105) are respectively fixed at the four corners of the single biological basket (1), the embedded fixed pile sleeves (104) and the embedded fixed pile core pipes (105) are opposite to each other in pairs, and the embedded fixed pile sleeves (104) and the embedded fixed pile core pipes (105) are respectively nested with the embedded fixed pile core pipes (105) and the embedded fixed pile sleeves (104) on the adjacent single biological basket (1) in a vertical sliding manner.

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