CN113429075A - Black-odor river restoration system and application thereof - Google Patents

Black-odor river restoration system and application thereof Download PDF

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Publication number
CN113429075A
CN113429075A CN202110761281.2A CN202110761281A CN113429075A CN 113429075 A CN113429075 A CN 113429075A CN 202110761281 A CN202110761281 A CN 202110761281A CN 113429075 A CN113429075 A CN 113429075A
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China
Prior art keywords
black
layer
restoration system
floating island
river
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Pending
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CN202110761281.2A
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Chinese (zh)
Inventor
李锐敬
陈益成
谢永新
雒怀庆
徐波
周文栋
干仕伟
杨炜雯
李志森
伦见强
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GUANGZHOU EP ENVIROMENTAL ENGINEERING Ltd
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GUANGZHOU EP ENVIROMENTAL ENGINEERING Ltd
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Priority to CN202110761281.2A priority Critical patent/CN113429075A/en
Publication of CN113429075A publication Critical patent/CN113429075A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325Irradiation devices or lamp constructions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/006Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/009Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/32Details relating to UV-irradiation devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention provides a black and odorous river restoration system and application thereof, and relates to the technical field of black and odorous water treatment. Simultaneously, ecological chinampa still includes the electric energy control system who sets up on the surface of water, electric energy control system can provide the energy for black and odorous river surge repair system. The black-odor river restoration system can degrade various pollutants in the bottom mud by using the electrolytic method while processing the black-odor river water body through the mutual matching of the units, so that the water body processing and bottom mud electrolysis processes are combined, and the technical effect of synchronously treating the black-odor river overlying water body and the bottom mud is realized.

Description

Black-odor river restoration system and application thereof
Technical Field
The invention relates to the technical field of black and odorous water body treatment, in particular to a black and odorous river restoration system and application thereof.
Background
The prior black and odorous water body treatment technology mainly adopts a process combining a physical technology and a biological and ecological treatment technology, wherein the physical technology mainly comprises source control sewage interception, sediment dredging and restoration, strengthened aeration, a running water circulation technology and the like. The biological and ecological treatment technology mainly comprises an artificial wetland, an ecological floating island, a microbial agent technology and the like. The ecological floating island is widely applied to black and odorous water treatment, the traditional ecological floating island has the problems that the pollutant removal rate is low and the treatment effect is easy to be influenced by the environment and unstable, and the ecological floating island is strengthened by increasing the physical and chemical technology, so that the black and odorous water treatment effect of the ecological floating island can be effectively improved.
For example, in the prior art, the iron-carbon filler and the microbial agent are used to prepare the geotextile bag, and a plurality of aeration pipelines are arranged in the water body and the sediment to synchronously restore the water body and the sediment, so that the main pollutants such as nitrogen and phosphorus in the sediment and the overlying water body are synchronously removed by utilizing the micro-electrolysis effect of the iron-carbon filler and the biochemical degradation effect of the microbial agent, and the purification of the black and odorous water body is realized. However, the black and odorous water body treatment technology mainly has the following defects: firstly, among the current technical scheme, iron carbon and microbial inoculum mix in geotechnological sack, through the reaction of a period of time, flocculates such as produced iron mud can influence the permeability of geotechnological sack, be unfavorable for the contact of microbial inoculum and pollutant, lead to its water black smelly stability less strong, the second point is, need arrange a plurality of geotechnological sacks and erect aeration pipe, the engineering volume is great, still need regularly carry out the maintenance of pipeline and the change of sack simultaneously, because the pipe arrangement is near the bed mud, the maintenance cost is higher. Thirdly, the microbial inoculum is expensive and is an easily consumed material, so that the overall treatment cost of the river is higher.
Aiming at the problems in the prior art, it becomes necessary and urgent to research and develop a method for synchronously repairing a black and odorous river water body and sediment with high efficiency and stability.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide a black-odor river restoration system, which can treat a black-odor river water body and degrade various pollutants in bottom mud by using an electrolytic method, so that the water body treatment and bottom mud electrolysis process are combined, and the technical effect of synchronously treating the covered water body and the bottom mud of the black-odor river is realized.
The second purpose of the invention is to provide an application of the black-odor river restoration system, and the black-odor river restoration system can be widely applied to the synchronous restoration treatment process of the black-odor river water body and the bottom mud.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the invention provides a black and odorous river restoration system, which comprises: the ecological floating island and the electrode electrolysis device are arranged in sludge at the bottom of the black and odorous river;
the ecological floating island mainly comprises an electric energy control system arranged on the water surface and a floating island platform arranged in a water body;
the ecological floating island is connected with the electrode electrolysis device through a control rod which is vertically arranged.
Further, the electric energy control system comprises a solar cell panel and an energy storage control module;
the solar cell panel, the energy storage control module and the control rod are electrically connected.
Furthermore, the floating island platform is positioned in the water body and is sequentially provided with an aquatic plant layer, a packing layer and an ultraviolet light catalytic reaction layer from top to bottom;
the aquatic plant layer, the packing layer and the ultraviolet light catalytic reaction layer are arranged in a layered manner from top to bottom along the direction of the waterproof wiring terminal, and the waterproof wiring terminal is electrically connected with the electric energy control system;
preferably, the waterproof binding post is vertically arranged in the center of the floating island platform and is connected with the control rod.
Further, the filler layer is of a double-layer structure, wherein the upper layer of filler is zeolite, and the lower layer of filler is carbon fiber ecological grass;
preferably, the particle size of the zeolite is 6-10 nm;
preferably, a protective net is arranged outside the filler layer;
preferably, an air permeable cap is vertically arranged in the filler layer.
Further, the aquatic plant layer is planted on the filler layer;
preferably, the aquatic plant planted in the aquatic plant layer comprises at least one of calamus, loosestrife, pinnay bluegrass and canna.
Further, the ultraviolet light catalytic reaction layer comprises an ultraviolet lamp group, a photocatalyst plate and a support frame;
the ultraviolet lamp group and the photocatalyst plate are fixed on the support frame and are arranged in parallel and staggered along the water flow direction;
and a plurality of drainage grooves are formed in the periphery of the supporting frame.
Further, the photocatalyst plate is mainly made of TiO2Nano metal oxide or ZnO nanoOne of the metal oxides of rice.
Furthermore, the electrode electrolysis device mainly comprises a plurality of pairs of electrode pairs, and is electrically connected with the electric energy control system through an electric wire.
Preferably, the electrode pair is a pin electrode pair, and the distance between adjacent pin electrodes is 1-3 cm.
Furthermore, the electrode electrolysis device is also provided with a monitoring sensor for feeding back the main pollution indexes of the bottom mud in real time.
The invention provides an application of the black-odor river restoration system in synchronous restoration treatment of black-odor river water and bottom mud.
Compared with the prior art, the invention has the beneficial effects that:
the black and odorous river restoration system comprises an ecological floating island and an electrode electrolysis device arranged in sludge at the bottom of the black and odorous river, wherein the ecological floating island treats pollutants in a black and odorous river water body through a floating island platform, the electrode electrolysis device is used for electrolyzing and removing bottom sludge pollutants in the black and odorous river, and the ecological floating island is connected with the electrode electrolysis device through a control rod vertically arranged. Simultaneously, ecological chinampa still includes the electric energy control system who sets up on the surface of water, electric energy control system can provide the energy for black and odorous river surge repair system. The black-odor river restoration system can degrade various pollutants in the bottom mud by using the electrolytic method while processing the black-odor river water body through the mutual matching of the units, so that the water body processing and bottom mud electrolysis processes are combined, and the technical effect of synchronously treating the black-odor river overlying water body and the bottom mud is realized.
The black-odor river restoration system provided by the invention can be widely applied to the synchronous restoration treatment process of the black-odor river water body and the sediment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the overall structure of a black-odor river restoration system according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a black-odor river restoration system provided in embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a detailed structure of a black-odor river restoration system according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a floating island platform of the black-odor river restoration system according to embodiment 1 of the present invention;
fig. 5 is a cross-sectional view of a aquatic plant layer in the black-odor river restoration system according to example 1 of the present invention;
fig. 6 is a cross-sectional view of an ultraviolet photocatalytic reaction layer in the black-odor river restoration system according to embodiment 1 of the present invention;
FIG. 7 is a schematic structural view of an electrode electrolyzer provided in example 1 of the present invention.
Icon: 1-an ecological floating island; 2-electrode electrolysis device; 11-an electric energy control system; 12-a floating island platform; 3-a control lever; 111-a solar panel; 112-an energy storage control module; 121-aquatic plant layer; 122-a filler layer; 123-ultraviolet light catalytic reaction layer; 124-waterproof binding post; 1221-upper layer packing; 1222-lower layer filler; 1223-protective screening; 1224-a breathable cap; 1231-group of ultraviolet lamps; 1232-a photocatalyst plate; 1233-support frame; 21-electrode pairs; 22-monitoring sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The present invention will now be described in detail by way of specific examples in order to facilitate a clearer understanding of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to an aspect of the present invention, a black-odor river restoration system includes: the ecological floating island 1 and the electrode electrolysis device 2 are arranged in sludge at the bottom of the black and odorous river;
the ecological floating island 1 mainly comprises an electric energy control system 11 arranged on the water surface and a floating island platform 12 arranged in a water body;
the ecological floating island 1 is connected with an electrode electrolysis device 2 through a control rod 3 which is vertically arranged.
The black and odorous river restoration system comprises an ecological floating island 1 and an electrode electrolysis device 2 arranged in sludge at the bottom of the black and odorous river, wherein the ecological floating island 1 treats pollutants in a black and odorous river water body through a floating island platform 12, the electrode electrolysis device 2 is used for electrolyzing and removing bottom sludge pollutants in the black and odorous river, and the ecological floating island 1 is connected with the electrode electrolysis device 2 through a control rod 3 which is vertically arranged. Meanwhile, the ecological floating island 1 further comprises an electric energy control system 11 arranged on the water surface, and the electric energy control system 11 can provide energy for the black and odorous river surge repair system. The black-odor river restoration system can degrade various pollutants in the bottom mud by using the electrolytic method while processing the black-odor river water body through the mutual matching of the units, so that the water body processing and bottom mud electrolysis processes are combined, and the technical effect of synchronously treating the black-odor river overlying water body and the bottom mud is realized.
In a preferred embodiment of the present invention, the power control system 11 includes a solar panel 111 and an energy storage control module 112;
in a preferred embodiment, the power control system 11 includes a solar panel 111 and an energy storage control module 112, and the solar panel 111 can convert solar energy into electric energy and store the electric energy in the energy storage control module 112, so as to provide electric energy for system operation.
Preferably, the solar cell panel 111, the energy storage control module 112 and the control rod 3 are electrically connected to provide kinetic energy to the control rod 3 to insert the electrode electrolyzer 2 into the bottom sludge.
In a preferred embodiment of the present invention, the floating island platform 12 is located in a water body, and is sequentially provided with an aquatic plant layer 121, a filler layer 122 and an ultraviolet light catalytic reaction layer 123 from top to bottom;
the aquatic plant layer 121, the filler layer 122 and the ultraviolet light catalytic reaction layer 123 are arranged from top to bottom in a layered manner along the direction of a waterproof binding post 124, and the waterproof binding post 124 is electrically connected with the electric energy control system 11;
in a preferred embodiment, the waterproof terminal 124 is provided with a wire inside, and the wire is used for communicating the electric energy control system 11 with the uv catalytic reaction layer 123 and the electrode electrolyzer 2.
In the above preferred embodiment, the waterproof terminal 124 is vertically disposed at the center of the floating platform 12 and connected to the control rod 3.
Preferably, the bottom of the energy storage control module 112 is communicated with a waterproof binding post 124.
In a preferred embodiment of the present invention, the packing layer 122 is a double-layer structure, wherein the upper layer of packing 1221 is zeolite, and the lower layer of packing 1222 is carbon fiber ecological grass;
as a preferred embodiment, the above-mentioned upper layer filler 1221 zeolite can be used for fixing aquatic plants, and the lower layer filler 1222 carbon fiber ecological grass is provided to provide abundant growth space for microorganisms, so as to improve the efficiency of pollutant biodegradation.
Preferably, the particle size of the zeolite is 6-10 nm;
in a preferred embodiment of the present invention, a protective net 1223 is further disposed outside the packing layer 122;
in a preferred embodiment, a protective net 1223 is disposed outside the packing layer 122 to reduce large-volume pollutants and aquatic organisms such as fish in the water from entering the packing layer, thereby prolonging the service life of the packing.
The packing layer 122 is also vertically provided with a ventilation cap 1224 for providing oxygen for the packing layer, so that aquatic organisms can grow better.
In a preferred embodiment of the present invention, the aquatic plant layer 121 is planted on the packing layer 122;
preferably, the aquatic plant planted in the aquatic plant layer 121 includes at least one of calamus, loosestrife, pinnay grass, and canna.
In a preferred embodiment of the present invention, the uv photocatalytic reaction layer 123 includes a uv lamp set 1231, a photocatalyst plate 1232, and a support frame 1233;
the ultraviolet lamp set 1231 and the photocatalyst plate 1232 are fixed on the support frame 1233 and are arranged in parallel and staggered along the water flow direction;
a plurality of drainage channels are arranged on the periphery of the supporting frame 1233.
As a preferred embodiment, the uv catalytic reaction layer 123 may degrade main malodorous substances under the catalysis of uv light to eliminate black odor; meanwhile, the ultraviolet lamp set 1231 and the photocatalyst plate 1232 are arranged on the supporting frame 1233 in a parallel and staggered mode along the water flow direction, and the photocatalytic efficiency of the water body can be effectively improved.
In the above preferred embodiment, the photocatalyst plate 1232 is mainly made of TiO2Nano metal oxide or ZnO nano metal oxide.
In a preferred embodiment of the present invention, the electrode electrolyzer 2 is mainly composed of several pairs of electrode pairs 21, and the electrode electrolyzer 2 is electrically connected to the electric energy control system 11 through a wire.
Preferably, the electrode pair 21 is a needle electrode pair, and the distance between adjacent needle electrodes is 1-3 cm.
In the above preferred embodiment, the electrode electrolyzer 2 is further provided with a monitoring sensor 22 for real-time feedback of the main pollution index of the bottom mud.
In a preferred embodiment, the electrode electrolyzing device 2 is further provided with a monitoring sensor 22 for real-time feedback of each pollution index condition of water bodies and bottom sediments at different depths.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
As shown in fig. 1 and 2, a black-odor river restoration system includes: the ecological floating island 1 and the electrode electrolysis device 2 are arranged in sludge at the bottom of the black and odorous river;
the ecological floating island 1 mainly comprises an electric energy control system 11 arranged on the water surface and a floating island platform 12 arranged in a water body;
the ecological floating island 1 is connected with an electrode electrolysis device 2 through a control rod 3 which is vertically arranged.
Above-mentioned black smelly river gushes the repair system and includes ecological chinampa 1 and sets up electrode electrolytic device 2 in black smelly river bottom silt, wherein, ecological chinampa 1 is handled the pollutant in the black smelly river gushes the water through chinampa platform 12, and electrode electrolytic device 2 is arranged in carrying out the electrolysis to the bed mud pollutant in the black smelly river and gets rid of, ecological chinampa 1 is connected with electrode electrolytic device 2 through perpendicular control lever 3 that sets up. Meanwhile, the ecological floating island 1 further comprises an electric energy control system 11 arranged on the water surface, and the electric energy control system 11 can provide energy for the black and odorous river surge repair system. The black-odor river restoration system can degrade various pollutants in the bottom mud by using the electrolytic method while processing the black-odor river water body through the mutual matching of the units, so that the water body processing and bottom mud electrolysis processes are combined, and the technical effect of synchronously treating the black-odor river overlying water body and the bottom mud is realized.
As shown in fig. 3, as a preferred embodiment, the power control system 11 includes a solar panel 111 and an energy storage control module 112, and the solar panel 111 can convert solar energy into electric energy and store the electric energy in the energy storage control module 112, so as to provide electric energy for system operation.
Preferably, the solar cell panel 111, the energy storage control module 112 and the control rod 3 are electrically connected to provide kinetic energy to the control rod 3 to insert the electrode electrolyzer 2 into the bottom sludge.
Referring to fig. 3, in a preferred embodiment of the present embodiment, the floating island platform 12 is located in a water body, and is sequentially provided with an aquatic plant layer 121, a filler layer 122, and an ultraviolet light catalytic reaction layer 123 from top to bottom; the aquatic plant layer 121, the filler layer 122 and the ultraviolet light catalytic reaction layer 123 are arranged from top to bottom in a layered manner along the direction of a waterproof binding post 124, and the waterproof binding post 124 is electrically connected with the electric energy control system 11;
preferably, the waterproof terminal 124 is provided with a wire inside, and the wire is used for communicating the electric energy control system 11 with the ultraviolet light catalytic reaction layer 123 and the electrode electrolysis device 2.
With continued reference to fig. 3, in the above preferred embodiment, the waterproof terminal 124 is vertically disposed at the center of the floating island platform 12 and connected to the control rod 3.
Preferably, the bottom of the energy storage control module 112 is communicated with a waterproof binding post 124.
Referring to fig. 4, as a preferred embodiment, the packing layer and the packing layer 122 are of a double-layer structure, the upper layer of packing 1221 zeolite can be used for fixing aquatic plants, and the lower layer of packing 1222 is carbon fiber ecological grass, which provides abundant growth space for microorganisms and can improve the efficiency of biodegradation of pollutants.
Referring to fig. 4, as a preferred embodiment, a protective net 1223 is disposed outside the packing layer 122 to reduce large-volume pollutants and aquatic organisms such as fish in the water from entering the packing layer, thereby prolonging the service life of the packing.
Referring to fig. 4 and 5, as a preferred embodiment, the packing layer 122 is further vertically provided with a ventilation cap 1224 for providing oxygen to the packing layer, so as to promote the growth of aquatic organisms.
Preferably, the aquatic plant layer 121 is planted on the filler layer 122; the aquatic plant planted in the aquatic plant layer 121 includes at least one of calamus, loosestrife, pinus asiatica, and canna indica.
Referring to fig. 4 and 6, as a preferred embodiment, the uv photocatalytic reaction layer 123 includes a uv lamp set 1231, a photocatalyst plate 1232, and a support frame 1233; the ultraviolet light catalytic reaction layer 123 can degrade main malodorous substances under the catalytic action of ultraviolet light to eliminate black odor; meanwhile, the ultraviolet lamp set 1231 and the photocatalyst plate 1232 are arranged on the supporting frame 1233 in a parallel and staggered mode along the water flow direction, and the photocatalytic efficiency of the water body can be effectively improved.
In the above preferred embodiment, the photocatalyst plate 1232 is mainly made of TiO2Nano metal oxide or ZnO nano metal oxide.
Referring to fig. 7, in a preferred embodiment of the present invention, the electrode electrolyzer 2 is mainly composed of several pairs of electrode pairs 21, and the electrode electrolyzer 2 is electrically connected to the electric energy control system 11 through electric wires. The electrode pair 21 is a needle electrode pair, and the distance between adjacent needle electrodes is 1-3 cm.
In a preferred embodiment, the electrode electrolyzing device 2 is further provided with a monitoring sensor 22 for real-time feedback of each pollution index condition of water bodies and bottom sediments at different depths.
The specific working process of the black-odor river restoration system in the embodiment is as follows:
the river gush black and odorous wastewater automatically flows into the ecological floating island 1, firstly enters the aquatic plant layer 121, and under the action of the plants and the microorganisms of root systems thereof, main pollutants such as COD, nitrogen, phosphorus and the like are removed; then after the root system treatment of the aquatic plants, the wastewater flows into the packing layer 122 to further strengthen the nitrogen and phosphorus removal; then the wastewater enters a lower ultraviolet light catalysis module after being treated by a packing layer 122, and main malodorous substances are degraded under the catalytic action of ultraviolet light to eliminate black odor; simultaneously this application inserts the organic matter in the mud of bottom in inserting the bed mud through control lever 3 with the electrode electrolytic device 2 among the black smelly river repair system, realizes that the high efficiency of bed mud pollutant is got rid of. Thereby realizing the technical effect of synchronously treating the overlying water body and the bottom mud of the black and odorous river.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A black-odor river restoration system, the restoration system comprising: the ecological floating island comprises an ecological floating island (1) and an electrode electrolysis device (2) arranged in sludge at the bottom of black and odorous river;
the ecological floating island (1) mainly comprises an electric energy control system (11) arranged on the water surface and a floating island platform (12) arranged in a water body;
the ecological floating island (1) is connected with the electrode electrolysis device (2) through a control rod (3) which is vertically arranged.
2. The black-odor river restoration system according to claim 1, wherein the electric power control system (11) comprises a solar cell panel (111) and an energy storage control module (112);
the solar cell panel (111), the energy storage control module (112) and the control rod (3) are electrically connected.
3. The black-odor river restoration system according to claim 1, wherein the floating island platform (12) is located in a water body and is provided with an aquatic plant layer (121), a filler layer (122) and an ultraviolet light catalytic reaction layer (123) from top to bottom in sequence;
the aquatic plant layer (121), the filler layer (122) and the ultraviolet light catalytic reaction layer (123) are arranged from top to bottom in a layered mode along the direction of the waterproof binding post (124), and the waterproof binding post (124) is electrically connected with the electric energy control system (11);
preferably, the waterproof binding post (124) is vertically arranged in the center of the floating island platform (12) and is connected with the control rod (3).
4. The black-odor river restoration system according to claim 3, wherein the filler layer (122) is a double-layer structure, wherein the upper layer filler (1221) is zeolite, and the lower layer filler (1222) is carbon fiber ecological grass;
preferably, the particle size of the zeolite is 6-10 nm;
preferably, a protective net (1223) is arranged outside the filler layer (122);
preferably, the filler layer (122) is also vertically provided with a breathable cap (1224).
5. The black-odor river restoration system according to claim 3, wherein the aquatic plant layer (121) is planted on the filler layer (122);
preferably, the aquatic plant planted in the aquatic plant layer (121) comprises at least one of calamus, loosestrife, pinnay grass and canna.
6. The black bed river restoration system according to claim 3, wherein the ultraviolet photocatalytic reaction layer (123) comprises an ultraviolet lamp group (1231), a photocatalyst plate (1232), and a support frame (1233);
the ultraviolet lamp group (1231) and the photocatalyst plate (1232) are fixed on the support frame (1233) and are arranged in parallel and staggered mode along the water flow direction;
and a plurality of drainage grooves are formed in the periphery of the supporting frame (1233).
7. The black bed river restoration system according to claim 6, wherein the photocatalyst plate (1232) is made of mainly TiO2Nano metal oxide or ZnO nano metal oxide.
8. The black-odor river restoration system according to claim 1, wherein the electrode electrolysis device (2) is mainly composed of a plurality of pairs of electrode pairs (21), and the electrode electrolysis device (2) is electrically connected with the electric energy control system (11) through a wire;
preferably, the electrode pair (21) is a needle electrode pair, and the distance between adjacent needle electrodes is 1-3 cm.
9. The black-odor river restoration system according to claim 8, wherein the electrode electrolysis device (2) is further provided with a monitoring sensor (22) for real-time feedback of a main pollution index of the bottom mud.
10. The application of the black-odor river restoration system according to any one of claims 1 to 9 in synchronous restoration treatment of black-odor river water and bottom mud.
CN202110761281.2A 2021-07-06 2021-07-06 Black-odor river restoration system and application thereof Pending CN113429075A (en)

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CN109796081A (en) * 2019-02-27 2019-05-24 北京市环境保护科学研究院 A kind of Ecosystem restoration system and method for black and odorous water
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