CN216106510U - Daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body restoration device - Google Patents
Daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body restoration device Download PDFInfo
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Abstract
A daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device comprises a main body, a water inlet unit, a daphnia treatment unit, an ecological floating bed unit, a filter-feeding fish treatment unit and a biological treatment unit, wherein the daphnia treatment unit, the ecological floating bed unit, the filter-feeding fish treatment unit and the biological treatment unit are arranged in the main body, the water inlet unit is positioned at two ends of the main body and communicated with the daphnia treatment unit, the main body floats in a river and lake water body, and the water enters the daphnia treatment unit, the ecological floating bed unit, the filter-feeding fish treatment unit and the biological treatment unit from the water inlet unit in sequence through the river and lake water body and then is discharged into the river and lake water body.
Description
Technical Field
The utility model belongs to the technical field of eutrophic water body treatment, and relates to a device for jointly repairing a eutrophic water body by using daphnia, emergent aquatic plants and a biological treatment system.
Background
Eutrophication refers to the phenomenon of water body pollution caused by natural factors or artificial factors, increased nutrient substances such as nitrogen and phosphorus in the water body, rapid propagation of floating algae under the condition of water body with sufficient nutrition, rapid decrease of dissolved oxygen content in the water body, death of a large number of aquatic organisms and rapid deterioration of water quality. China belongs to the multi-lake countries, with the rapid development of socioeconomic and the excessive development of towns around lakes, the pollutants received by lakes seriously exceed the self-purification capacity of lakes, and most lakes have more serious eutrophication phenomena such as blue-green algae and the like.
For the treatment of eutrophication, the current technologies mainly include physical technology, chemical technology and biological technology. Physical techniques such as drying removal, sewage interception, sediment dredging engineering and water diversion and sewage flushing are usually used as prepositive measures for treatment, the symptoms are treated, the root causes are not treated, the eutrophication phenomenon is not fundamentally solved, and repeated outbreaks occur in the later period, so that the expected effect cannot be achieved. The chemical remediation technology adopts measures such as flocculating agent and medicament for killing algae, can generate precipitate through chemical reaction and settle blue-green algae, but has the disadvantages of large amount of required chemical medicament, high cost and secondary pollution, can cause the sewage area to have drug resistance after long-term use, and is generally used as emergency treatment. The existing bioremediation technology such as the microbial remediation technology, the aquatic plant remediation technology and the biological manipulation technology is established on the basis of the metabolism activity of organisms, the method achieves the effect of removing nitrogen and phosphorus nutrients in a water body after the aquatic organisms absorb and utilize nitrogen and phosphorus elements in water, and has the advantages of high efficiency, low cost and difficult secondary pollution.
The daphnia magna is a cladocera zooplankton and is widely used for repairing eutrophic water bodies in biological manipulation in recent years, and the daphnia magna has an inhibiting effect on the propagation of various phytoplankton plants such as chlorella, scenedesmus obliquus and spirulina. The prior art is mainly to put the daphnia magna into an open water area, and the daphnia magna treats blue-green algae with a smaller aperture than the daphnia magna by ingestion. The technique has the following problems: (1) the daphnia magna is a main food source of economic fishes such as silver carps, bighead carps and the like in a water body ecological system, is easy to be eaten by the economic fishes such as the silver carps, the bighead carps and the like when being put into an open water body, and the treatment effect of blue-green algae is difficult to ensure; (2) nutrient salts are released again in the metabolism process of daphnia after the daphnia ingests blue-green algae, so that the eutrophication of the water body again is caused, and the treatment effect of the eutrophication phenomenon of the water body is difficult to maintain.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a device for jointly repairing eutrophic water by using daphnia, emergent aquatic plants and a biological treatment system, wherein a daphnia treatment unit, an ecological floating bed unit, a filter-feeding fish treatment unit and a biological treatment unit are arranged in a main body, water inlet units are positioned at two ends of the main body and are communicated with the daphnia treatment unit, the main body floats in water in rivers and lakes, and the water in the rivers and lakes sequentially enters the daphnia treatment unit, the ecological floating bed unit, the filter-feeding fish treatment unit and the biological treatment unit from the water inlet units to be treated and then is discharged into the water in the rivers and lakes.
In order to solve the technical problems, the utility model adopts the technical scheme that: a daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device comprises a main body, a water inlet unit, a daphnia treatment unit, an ecological floating bed unit, a filter feeding fish treatment unit, a biological treatment unit and an intelligent control system;
the daphnia treatment unit, the ecological floating bed unit, the filter-feeding fish treatment unit and the biological treatment unit are all positioned in the main body;
the water inlet units are positioned at two ends of the main body and communicated with the daphnia treatment unit;
the daphnia treatment unit is communicated with the filter-feeding fish treatment unit, and the ecological floating bed unit is positioned at the upper part of the daphnia treatment unit;
the filter feeding fish processing unit and the biological processing unit are positioned in the middle of the main body and combined into a whole, and the filter feeding fish processing unit is positioned at the upper part of the biological processing unit;
and the flow pusher of the intelligent control system is positioned outside the main body and close to the water inlet unit.
The main body is a hollow hull structure with an opening at the upper part, a floating plate of the hollow frame structure is positioned at the upper part of the hollow hull and connected with the hollow hull, and a water outlet of a grid structure is arranged at the bottom of the hollow hull and communicated with the biological treatment unit.
The water inlet unit comprises a water inlet pump connected with a water inlet pipe, the water inlet pipe penetrates through the sealed cabin of the main body and is communicated with the daphnia processing unit, one end of the water inlet pipe positioned outside the main body is connected with the fish blocking net, and the water inlet pump is positioned in the sealed cabin.
The daphnia treatment unit comprises a fluid space formed by a plurality of partition plates which are sequentially staggered up and down from two ends to the center in the main body, the daphnia adding device is communicated with the fluid space, and the partition plates are connected with the inner walls of two sides of the main body.
The ecological floating bed unit comprises emergent aquatic plants planted in the floating bed, and the floating bed is positioned on the upper part of the clapboard of the daphnia treatment unit.
The filter feeding fish processing unit comprises sieve plates and an aeration component, the two sieve plates which are parallel to each other are connected with the inner walls of the two sides of the main body to form a fish living area, and the aeration component is positioned at the lower end of the fish living area.
The biological treatment unit comprises a biological membrane packing layer, a zeolite layer and a diatomite layer which are sequentially arranged from top to bottom; the biomembrane packing layer, the zeolite layer and the diatomite layer are respectively positioned in three hollow water filtering frames, the water filtering frames are positioned in the treatment space between the two side plates, and the side plates are connected with the inner walls at the two sides of the main body.
The intelligent control system comprises a photovoltaic power generation device, a power system, an energy storage battery, an aerator and a flow pusher; photovoltaic power generation device, driving system and aerator and energy storage battery electric connection, the aerator is connected with the aeration subassembly in the filter-feeding fish processing unit, and the impeller is connected with driving system.
The intelligent control system also comprises a centralized control box, and a positioning control system, a current pusher intelligent control system and a remote control system are integrated in the centralized control box; the positioning control system and the remote control system are wirelessly connected with the background control center, the intelligent control system of the impeller is electrically connected with the power system, and the centralized control box is fixed on the floating plate of the main body.
The main beneficial effects of the utility model are mainly embodied in that:
set up daphnia processing unit, ecological bed unit, filter feeding fish processing unit and biological treatment unit in the main part, form compound biological treatment system, every unit all is independent module, and the integrated level is high, and the device is light simple, is favorable to promoting.
The water is pumped from the water body of the river or lake by the water inlet pump to enter the composite biological treatment system in the main body, and the whole treatment process of the composite biological treatment system is self-flowing, so that additional energy and equipment driving are not needed.
The large daphnia in the daphnia treatment unit is used for ingesting and digesting blue-green algae, excrement is absorbed by the root system of emergent aquatic plants of the ecological floating bed unit, the rest blue-green algae and dead large daphnia can be used as baits to be captured by filter-feeding fishes for ingesting and digesting, the process is ecological treatment, no medicament is needed, the operation cost is low, the filter-feeding fishes can be sold as economic products, and the win-win of ecological benefits and economic benefits is realized.
The eutrophic water body enters a biological treatment unit and sequentially passes through the biological membrane on the surface of the biological membrane packing layer to further degrade COD and NH3N, adsorbing phosphorus element by zeolite layer, denitrifying by diatomite layer to remove TN, and implementing COD and NH3And (3) thoroughly removing N, TP and TN, reducing the concentration of eutrophic substances in the water body and reducing the outbreak of eutrophication phenomenon.
The water passing channels on every two adjacent clapboards in the daphnia treatment unit are respectively positioned at two ends, so that the path for sewage circulation is increased, the whole structure is compact, and the purification of eutrophic water is facilitated.
Integrates an ecological floating bed unit and a biological treatment unit, and solves the problems of temporary solution, permanent solution and easy secondary pollution in the prior art.
The emergent aquatic plants planted on the floating bed are constructed by using the main body as a landscape floating island, so that the water surface environment of rivers and lakes is beautified, and the ornamental value is increased.
Drawings
The utility model is further described with reference to the following figures and examples:
fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a schematic sectional view at a-a of fig. 2.
Fig. 4 is a schematic sectional view at B-B of fig. 3.
In the figure: the device comprises a main body 1, a floating plate 11, a water outlet 12, a water inlet unit 2, a water inlet pipe 21, a water inlet pump 22, a fish blocking net 23, a daphnia treatment unit 3, a partition plate 31, a daphnia adding device 32, an ecological floating bed unit 4, a floating bed 41, emergent aquatic plants 42, a filter feeding fish treatment unit 5, a sieve plate 51, an aeration component 52, a fish living area 53, a biological treatment unit 6, a biomembrane packing layer 61, a zeolite layer 62, a diatomite layer 63, a water filtering frame 64, a side plate 65, an intelligent control system 7, a photovoltaic power generation device 71, a power system 72, an energy storage battery 73, an aerator 74 and a flow pusher 75.
Detailed Description
As shown in fig. 1-4, a device for remedying eutrophic water body by combining daphnia, emergent aquatic plants and a biological treatment system comprises a main body 1, a water inlet unit 2, a daphnia treatment unit 3, an ecological floating bed unit 4, a filter-feeding fish treatment unit 5, a biological treatment unit 6 and an intelligent control system 7;
the daphnia treatment unit 3, the ecological floating bed unit 4, the filter-feeding fish treatment unit 5 and the biological treatment unit 6 are all positioned in the main body 1;
the water inlet units 2 are positioned at two ends of the main body 1 and are communicated with the daphnia treatment unit 3;
the daphnia treatment unit 3 is communicated with the filter-feeding fish treatment unit 5, and the ecological floating bed unit 4 is positioned at the upper part of the daphnia treatment unit 3;
the filter feeding fish processing unit 5 and the biological processing unit 6 are positioned in the middle of the main body 1 and combined into a whole, and the filter feeding fish processing unit 5 is positioned at the upper part of the biological processing unit 6;
the flow pusher 75 of the intelligent control system 7 is located outside the main body 1 near the water inlet unit 2. When the water purifier is used, the main body 1 floats in a river and lake water body, the river and lake water body sequentially enters the daphnia treatment unit 3, the ecological floating bed unit 4, the filter feeding fish treatment unit 5 and the biological treatment unit 6 from the water inlet unit 2 to be treated, and then is discharged into the river and lake water body.
In a preferred scheme, the main body 1 is a hollow ship structure with an opening at the upper part, a floating plate 11 with a hollow frame structure is positioned at the upper part of the hollow ship and connected with the hollow ship structure, and a water outlet 12 with a grid structure is arranged at the bottom of the hollow ship and communicated with the biological treatment unit 6. When in use, the ecological floating bed unit 4 floats in the frame body at the center of the floating plate 11, and the floating plate 11 limits the ecological floating bed unit.
Preferably, the drainage port 12 is located right below the diatomite layer 63 of the biological treatment unit 6, and the purified sewage is drained from the drainage port 12, so that power drainage is not needed, and energy consumption can be reduced.
In the preferred scheme, the water inlet unit 2 comprises a water inlet pump 22 connected with a water inlet pipe 21, the water inlet pipe 21 penetrates through a sealed cabin of the main body 1 to be communicated with the daphnia processing unit 3, one end of the water inlet pipe 21 positioned outside the main body 1 is connected with a fish blocking net 23, and the water inlet pump 22 is positioned in the sealed cabin. When the water treatment device is used, the water in the water body of the river or lake is pumped by the water inlet pump 22 and injected into the daphnia treatment unit 3, the fish blocking net 23 blocks garbage and filter-feeding fishes in the water body of the river or lake from entering the daphnia treatment unit 3, the function of the daphnia treatment unit 3 is prevented from being damaged, and the large daphnia is guaranteed to ingest, digest and treat blue-green algae.
In a preferred scheme, the daphnia treatment unit 3 comprises a fluid space formed by a plurality of partition plates 31 which are staggered up and down from two ends of the main body 1 to the center, a daphnia adding device 32 is communicated with the fluid space, and the partition plates 31 are connected with the inner walls of two sides of the main body 1. When the device is used, the water passing channels on every two adjacent partition plates 31 are respectively positioned at two ends, water flow is baffled, the path of sewage circulation is increased, the whole structure is compact, and the purification of eutrophic water bodies is facilitated.
Preferably, the daphnia adding device 32 is a funnel-shaped structure, a daphnia discharge pipe connected with the funnel extends into the fluid space, and the pipe orifice of the daphnia discharge pipe is close to the water outlet of the water inlet pipe 21.
In a preferred scheme, the ecological floating bed unit 4 comprises emergent aquatic plants 42 planted in a floating bed 41, and the floating bed 41 is positioned at the upper part of the partition plate 31 of the daphnia treatment unit 3. When in use, the emergent aquatic plants 42 planted in the floating bed 41 mainly comprise iris, calamus and reed, and the main body 1 is used as a landscape floating island to beautify the water surface environment of rivers and lakes and increase the ornamental value.
Preferably, the root system of the emergent aquatic plant 42 grows downwards through the floating bed 41, and is communicated with the water body below the floating bed 41 to purify the water body below.
In a preferred scheme, the filter feeding fish processing unit 5 comprises a sieve plate 51 and an aeration assembly 52, wherein the two sieve plates 51 which are parallel to each other are connected with the inner walls of the two sides of the main body 1 to form a fish living area 53, and the aeration assembly 52 is positioned at the lower end of the fish living area 53. During the use, the sieve pore plate 51 that 5 both sides of filter feeding fish processing unit set up allows dead large daphnia to get into fish living area 53, is ingested by filter feeding fish, prevents simultaneously that filter feeding fish from getting into daphnia processing unit 3 and ingesting the large daphnia live body.
In a preferred scheme, the biological treatment unit 6 comprises a biological membrane filler layer 61, a zeolite layer 62 and a diatomite layer 63 which are sequentially arranged from top to bottom; the biomembrane packing layer 61, the zeolite layer 62 and the diatomite layer 63 are respectively positioned in three hollow water filtering frames 64, the water filtering frames 64 are positioned in the treatment space between the two side plates 65, and the side plates 65 are connected with the inner walls at the two sides of the main body 1. When in use, the biomembrane packing layer 61, the zeolite layer 62 and the diatomite layer 63 are all positioned in the independent water filtering frame 64, so that the biomembrane packing layer is convenient to disassemble and clean and can be repeatedly used.
Preferably, the biological film filler layer 61 is filled with biological filler, and the biological filler is spherical or square; when the biological membrane water purifier is used, sewage enters the biological membrane filler layer 61, the filler has a large specific surface area, and the biological membrane attached to the surface of the filler plays a role in purifying water quality and removing COD (chemical oxygen demand) and NH (NH) in the sewage3-N。
Preferably, the zeolite layer 62 is internally filled with zeolite having a particle size of 5 to 10 mm; when the device is used, sewage passes through the water filtering frame 64 through the biomembrane packing layer 61 and enters the zeolite layer 62, and zeolite filled in the zeolite layer 62 has strong phosphorus element adsorption capacity, absorbs phosphorus elements in the sewage and purifies the sewage.
Preferably, diatomaceous earth accompanied with microorganisms inside the diatomaceous earth layer 63; when the device is used, sewage enters the diatomite layer 63 through the zeolite layer 62, the diatomite provides living environment for microorganisms, denitrifying bacteria are added into the diatomite to perform denitrification to remove TN in the sewage, and the effect of further purifying water quality is achieved.
In a preferred scheme, the intelligent control system 7 comprises a photovoltaic power generation device 71, a power system 72, an energy storage battery 73, an aerator 74 and a flow impeller 75; the photovoltaic power generation device 71, the power system 72 and the aerator 74 are electrically connected with the energy storage battery 73, the aerator 74 is connected with the aeration component 52 in the filter-feeding fish processing unit 5, and the flow pusher 75 is connected with the power system 72. When in use, the photovoltaic power generation device 71 converts solar energy into electric energy to be stored in the energy storage battery 73, and the energy storage battery 73 provides electric energy for the power system 72, the aerator 74 and the energy storage battery 73; when the electric energy of the energy storage battery 73 is insufficient, the shore power system charges the energy storage battery 73.
In a preferred scheme, the intelligent control system 7 further comprises a centralized control box, and a positioning control system, an intelligent control system of the impeller and a remote control system are integrated in the centralized control box; the positioning control system and the remote control system are wirelessly connected with the background control center, the intelligent control system of the impeller is electrically connected with the power system 72, and the centralized control box is fixed on the floating plate 11 of the main body 1. When the device is used, after the positioning control system and the remote control system receive an instruction of the background control center, the power system 72 is started to drive the impeller 75 to operate, so that the main body 1 is driven to tour along a set route to treat blue-green algae, and unattended operation is realized.
Preferably, the intelligent control system of the propeller controls the power system 72 according to the position of the main body 1, the navigation speed requirement and the heading, and the power system 72 adjusts the rotating speed of the propeller 75.
Preferably, the remote control system realizes remote control, and the navigation direction, the navigation speed and the like of the main body 1 are adjusted according to the instruction, so that unattended and intelligent operation is realized.
The above embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the patent of the utility model should be defined by the claims and the equivalents of the technical features of the claims. I.e., equivalent alterations and modifications within the scope and range of equivalents of the utility model, are also encompassed by the present patent.
Claims (9)
1. A daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device is characterized in that: the ecological floating bed comprises a main body (1), a water inlet unit (2), a daphnia treatment unit (3), an ecological floating bed unit (4), a filter feeding fish treatment unit (5), a biological treatment unit (6) and an intelligent control system (7);
the daphnia treatment unit (3), the ecological floating bed unit (4), the filter-feeding fish treatment unit (5) and the biological treatment unit (6) are all positioned in the main body (1);
the water inlet units (2) are positioned at two ends of the main body (1) and are communicated with the daphnia treatment unit (3);
the daphnia treatment unit (3) is communicated with the filter-feeding fish treatment unit (5), and the ecological floating bed unit (4) is positioned at the upper part of the daphnia treatment unit (3);
the filter feeding fish processing unit (5) and the biological processing unit (6) are positioned in the middle of the main body (1) and combined into a whole, and the filter feeding fish processing unit (5) is positioned at the upper part of the biological processing unit (6).
2. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the main body (1) is a hollow ship structure with an opening at the upper part, a floating plate (11) of the hollow frame structure is positioned at the upper part of the hollow ship and connected with the hollow ship structure, and a water outlet (12) of a grid structure is arranged at the bottom of the hollow ship and communicated with the biological treatment unit (6).
3. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the water inlet unit (2) comprises a water inlet pump (22) connected with a water inlet pipe (21), the water inlet pipe (21) penetrates through a sealed cabin of the main body (1) to be communicated with the daphnia treatment unit (3), one end of the water inlet pipe (21) located outside the main body (1) is connected with the fish blocking net (23), and the water inlet pump (22) is located in the sealed cabin.
4. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the daphnia treatment unit (3) comprises a fluid space formed by a plurality of partition plates (31) which are sequentially staggered up and down from two ends to the center in the main body (1), the daphnia adding device (32) is communicated with the fluid space, and the partition plates (31) are connected with the inner walls of two sides of the main body (1).
5. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the ecological floating bed unit (4) comprises emergent aquatic plants (42) planted in a floating bed (41), and the floating bed (41) is positioned on the upper part of a partition plate (31) of the daphnia treatment unit (3).
6. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the filter feeding fish processing unit (5) comprises a sieve plate (51) and an aeration component (52), the two sieve plates (51) which are parallel to each other are connected with the inner walls of the two sides of the main body (1) to form a fish living area (53), and the aeration component (52) is positioned at the lower end of the fish living area (53).
7. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the biological treatment unit (6) comprises a biological membrane filler layer (61), a zeolite layer (62) and a diatomite layer (63) which are sequentially arranged from top to bottom; the biomembrane packing layer (61), the zeolite layer (62) and the diatomite layer (63) are respectively positioned in three hollow water filtering frames (64), the water filtering frames (64) are positioned in a treatment space between two side plates (65), and the side plates (65) are connected with the inner walls at two sides of the main body (1).
8. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 1, wherein: the solar water heater further comprises an intelligent control system (7), wherein the intelligent control system (7) comprises a photovoltaic power generation device (71), a power system (72), an energy storage battery (73), an aerator (74) and a flow pushing device (75); the photovoltaic power generation device (71), the power system (72) and the aerator (74) are electrically connected with the energy storage battery (73), the aerator (74) is connected with the aeration component (52) in the filter-feeding fish processing unit (5), and the flow pusher (75) is connected with the power system (72).
9. The daphnia, emergent aquatic plant and biological treatment system combined eutrophic water body remediation device of claim 8, wherein: the intelligent control system (7) also comprises a centralized control box, and a positioning control system, an intelligent control system of the impeller and a remote control system are integrated in the centralized control box; the positioning control system and the remote control system are wirelessly connected with the background control center, the intelligent control system of the impeller is electrically connected with the power system (72), and the centralized control box is fixed on the floating plate (11) of the main body (1).
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