CN110644434A - Riverway water body in-situ remediation system, ecological remediation system and application - Google Patents
Riverway water body in-situ remediation system, ecological remediation system and application Download PDFInfo
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- CN110644434A CN110644434A CN201911000189.3A CN201911000189A CN110644434A CN 110644434 A CN110644434 A CN 110644434A CN 201911000189 A CN201911000189 A CN 201911000189A CN 110644434 A CN110644434 A CN 110644434A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/106—Carbonaceous materials
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention provides an in-situ riverway water body restoration system, an ecological restoration system and application, and relates to the technical field of ecological pollution treatment. According to the in-situ riverway water body restoration system, a primary water retaining dam and a secondary water retaining dam are arranged in an original riverway, and the primary water retaining dam and the secondary water retaining dam are utilized to lift the water level, so that the retention time of river water in a facultative ecological pond and an aerobic ecological pond is prolonged, and suspended matters and sediment are retained conveniently; the solar reoxygenation equipment, the floating wetland, the aquatic plants, the aquatic animals and the carrier filler in the facultative ecological pond and the aerobic ecological pond form a water body self-purification system, can efficiently remove organic matters such as COD, nitrogen, phosphorus and the like and other pollutants in water, purify the water body water quality, improve the river channel ecological system and help to recover the water body self-purification capacity; in addition, the in-situ riverway water body restoration system can fully utilize the existing riverway, greatly saves construction land, and has the advantages of low investment, short construction period, simple process and easy maintenance.
Description
Technical Field
The invention relates to the technical field of ecological pollution treatment, in particular to a riverway water body in-situ restoration system, an ecological restoration system and application.
Background
In recent years, due to the discharge of various domestic sewage, industrial production sewage and tail water of upstream sewage treatment plants along the coasts of rivers and lakes, a large amount of pollutants such as organic matters, nitrogen, phosphorus and the like are poured into a water environment, so that the water pollution is increasingly serious, and the national high attention is drawn. The water body treatment and ecological environment restoration of the black and odorous river become the key strategy for a new revolution of reformation and development, and the improvement of the environmental pressure and the improvement of the quality of the living environment become urgent matters.
Natural river channels are inherently self-cleaning. Because the pollutant received by the river channel is far greater than the pollutant carrying capacity of the river channel, the water quality of a plurality of rivers and lake regions is seriously polluted, the self-purification function of the water body is influenced, and the ecological environment is seriously damaged. At present, the treatment technology of urban rivers and lakes mainly adopts the projects of sewage interception, desilting, bank protection, water diversion, greening and the like, can solve the problem of river pollution in a short period, but usually treats the symptoms and causes but not the root causes, the self-purification capacity of water cannot be improved for a long time, the aquatic ecosystem of rivers is damaged on the contrary, and the aquatic ecological function cannot be recovered.
At present, the polluted rivers are mostly treated by river channel ex-situ restoration, namely river water is introduced into a water treatment structure on a bank to be treated and then is discharged into the river channel, so that the method not only needs to occupy a large amount of land, construct the treatment structure, install sewage lifting and treatment equipment and the like, but also has the disadvantages of high investment, high operating cost and inconvenient maintenance.
In view of the above, the present invention is particularly proposed to solve at least one of the above technical problems.
Disclosure of Invention
The first purpose of the invention is to provide a riverway water body in-situ restoration system, which can improve a riverway ecological system and help restore the self-purification capacity of the water body, and has the advantages of no floor area, low cost, less investment and simple operation.
The second objective of the present invention is to provide an ecological restoration system, which comprises the above riverway water body in-situ restoration system.
The third purpose of the invention is to provide the application of the in-situ riverway water body restoration system or the ecological restoration system in the field of ecological pollution treatment.
The in-situ restoration system for the river water body comprises a river channel, wherein a primary water retaining dam and a secondary water retaining dam are arranged in the river channel;
a facultative ecological pond is arranged at the upstream of the primary water-blocking dam, an aerobic ecological pond is arranged between the primary water-blocking dam and the secondary water-blocking dam, and solar reoxygenation equipment is arranged in both the facultative ecological pond and the aerobic ecological pond;
at least one of the facultative ecological pond and the aerobic ecological pond is provided with a floating wetland, aquatic plants and aquatic animals, and the aerobic ecological pond is also internally provided with carrier fillers.
Further, on the basis of the technical scheme of the invention, the aquatic plant comprises any one or a combination of at least two of reed, cattail, calamus, canna and cane shoots;
and/or the aquatic animals comprise any one or a combination of at least two of fishes, shrimps or crabs.
Further, on the basis of the technical scheme of the invention, the floating wetland comprises aquatic vegetation, a planting soil layer, a material layer and a fixed assembly;
the planting soil layer set up in the material layer top, aquatic vegetation plant in plant on the soil layer, fixed subassembly one end with material layer connection, the other end with the river course bottom is connected.
Further, on the basis of the technical scheme of the invention, the depth of water in the facultative ecological pond is greater than that of water in the aerobic ecological pond.
Further, on the basis of the technical scheme of the invention, river bank belts are arranged on two sides of the river.
Further, on the basis of the technical scheme of the invention, grass planting revetments and waterfront plant areas are arranged on the riverway bank belts.
Further, on the basis of the technical scheme of the invention, the primary water retaining dam and the secondary water retaining dam are both rubber dams.
Further, on the basis of the technical scheme of the invention, the carrier filler is a carbon biological carrier filler.
The invention also provides an ecological restoration system which comprises the riverway water body in-situ restoration system.
The invention also provides an application of the riverway water body in-situ remediation system or the ecological remediation system in the field of ecological pollution treatment.
The in-situ riverway water body restoration system and the ecological restoration system provided by the invention have the following beneficial effects:
(1) according to the in-situ restoration system for the river water body, the primary water retaining dam and the secondary water retaining dam are arranged in the original river channel, and the water level is lifted by utilizing the primary water retaining dam and the secondary water retaining dam, so that the retention time of river water in the facultative ecological pond and the aerobic ecological pond is prolonged, and suspended matters and sediment are conveniently retained; the solar reoxygenation equipment, the floating wetland, the aquatic plants, the aquatic animals and the carrier filler in the facultative ecological pond and the aerobic ecological pond form a water body self-purification system, can efficiently remove organic matters such as COD, nitrogen, phosphorus and the like and other pollutants in water, purify the water body water quality, improve the river channel ecological system and help to recover the water body self-purification capacity;
in addition, the in-situ riverway water body restoration system can fully utilize the existing riverway, greatly saves construction land, has the advantages of low investment, short construction period, simple process and easy maintenance, and has certain landscape effect.
(2) The ecological restoration system provided by the invention comprises the riverway water body in-situ restoration system. In view of the advantages of the riverway water body in-situ remediation system, the ecological remediation system also has the same advantages.
(3) The invention provides the application of the riverway water body in-situ restoration system or the ecological restoration system, and in view of the advantages of the riverway water body in-situ restoration system or the ecological restoration system, the riverway water body in-situ restoration system or the ecological restoration system has good application prospect in the field of water body pollution treatment, and provides a basis for improving the ecological purification environment of the riverway water body.
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 structural plan view of an in-situ riverway water body remediation system according to an embodiment of the invention;
fig. 2 is a structural cross-sectional side view of an in-situ riverway water body remediation system according to an embodiment of the invention;
FIG. 3 is a schematic view of an installation structure of a solar reoxygenation device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an installation structure of a floating wetland in accordance with an embodiment of the present invention;
fig. 5 is a schematic view of an installation structure of a carrier packing according to an embodiment of the present invention.
Icon: 10-first grade water retaining dam; 20-second grade barrage; 30-facultative ecological pond; 40-aerobic ecological pond; 50-solar reoxygenation equipment; 51-a fixture; 52-ballast stone; 53-a positioning stone; 60-floating wetland; 61-aquatic vegetation; 62-planting soil layer; 63-a layer of material; 64-a fixed component; 70-a carrier filler; 71-a fixed support; 72-floating ball; 80-riverway bank.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, 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.
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.
Example one
The embodiment of the invention provides an in-situ riverway water body restoration system, which is specifically shown in figures 1-5. The in-situ riverway water body restoration system comprises a riverway, wherein a primary water retaining dam 10 and a secondary water retaining dam 20 are arranged in the riverway;
a facultative ecological pond 30 is arranged at the upstream of the primary water retaining dam 10, an aerobic ecological pond 40 is arranged between the primary water retaining dam 10 and the secondary water retaining dam 20, and solar reoxygenation equipment 50 is arranged in the facultative ecological pond 30 and the aerobic ecological pond 40;
at least one of the facultative ecological pond 30 and the aerobic ecological pond 40 is provided with a floating wetland 60, aquatic plants and aquatic animals, and the aerobic ecological pond 40 is also provided with a carrier filler 70.
It should be noted that the primary barrage 10 is generally disposed at a narrow river. The first-level barrage 10 maintains a certain upstream water depth to form a facultative ecological pond 30. The facultative ecological pond 30, i.e., the pond has two processes of aerobic and anaerobic, and the facultative ecological pond 30 performs reactions similar to those of the aerobic ecological pond 40 in daytime and similar to those of the anaerobic ecological pond at night. The facultative ecological pond 30 involves more complex biochemical reactions and has more abundant biological phases.
The solar reoxygenation equipment 50 and the floating wetland 60 are arranged in the facultative ecological pond 30, so that the detention time of river water in the pond is ensured to be longer, a certain dissolved oxygen concentration can be maintained, and the number of microorganisms can be increased.
Then, the river water overflows through the primary barrage 10 into the aerobic ecological pond 40 formed by the secondary barrage 20 and is maintained at a certain water depth. The aerobic ecological pond 40 completely supplies oxygen by virtue of photosynthesis, the dissolved oxygen in the pond is high, bacteria and algae are symbiotic, and aerobic reaction is generated. The aerobic ecological pond 40 can be applied to denitrification, conversion and removal of soluble organic matters, and can also carry out advanced treatment on secondary biological treatment effluent.
Generally, the depth of the facultative ecological pond 30 is greater than the depth of the aerobic ecological pond 40. For example, when the depth of water in facultative ecological pond 30 is kept at about 2m, the depth of water in aerobic ecological pond 40 is kept at 1.0-1.5 m.
The solar reoxygenation equipment 50 is arranged in the aerobic ecological pond 40 to maintain certain dissolved oxygen. Typically, but not by way of limitation, the dissolved oxygen concentration of the aerobic ecological pond 40 is above 2 mg/L. The floating wetland 60 and the carrier filler 70 in the pond can increase the number of microorganisms, thereby achieving the purpose of efficiently degrading pollutants in water.
The solar reoxygenation equipment 50 takes solar energy as direct power for equipment operation, and constantly supplies dissolved oxygen to the water body by increasing the water body disturbance in the facultative ecological pond 30 and the aerobic ecological pond 40, creates favorable conditions for the growth and degradation of microorganisms, and is favorable for riverway water body restoration.
The floating wetland 60 can provide a movable water purification habitat platform for aquatic animals and plants, so that the adsorption, degradation and other effects of the aquatic plants and aquatic animals are enhanced, and the landscape effect of a river channel is improved.
The carrier filler 70 utilizes the advantages of high specific surface area and the like of the filler to gather a large number of microorganisms, zooplankton and the like, thereby greatly improving the biomass.
The solar energy reoxygenation equipment 50, the floating wetland 60, the aquatic plants, the aquatic animals and the carrier filler 70 can form a water body self-purification system, insoluble organic pollutants in river water are filtered and intercepted by the filler and plant root systems, and soluble organic matters are decomposed and removed through the adsorption and absorption of the plant root systems, the carrier filler and a biological membrane and the biological metabolic process of the aquatic plants and the aquatic animals. Meanwhile, the arrangement of the floating wetland 60, the aquatic plants and the aquatic animals has certain landscape effect.
As an alternative embodiment of the present invention, the primary barrage 10 and the secondary barrage 20 both use rubber dams.
The rubber dam is also called rubber sluice, it is a bag type water retaining dam formed by using high-strength synthetic fiber fabric as stress skeleton, coating rubber as protective layer inside and outside, processing into adhesive plaster, anchoring it on the bottom plate to form a closed dam bag, and inflating it by water (gas) through charging and discharging pipeline.
By adopting the rubber dam, on one hand, the water levels of the facultative ecological pond 30 and the aerobic ecological pond 40 can be conveniently adjusted, and the implementation is convenient; on the other hand, the water levels of the facultative ecological pond 30 and the aerobic ecological pond 40 can be temporarily and rapidly reduced in the flood season or flood so as to facilitate flood discharge.
There are many specific types of aquatic plants and aquatic animals in the facultative ecological pond 30 and the aerobic ecological pond 40.
As an alternative embodiment of the present invention, the aquatic plant includes any one or a combination of at least two of reed, cattail, calamus, canna or cane shoot.
The specific species of the aquatic plants are limited, so that the aquatic plants can fully absorb nitrogen and phosphorus in the water body, and the purification effect on the target water body is more remarkable while the requirement for self growth is met.
As an alternative embodiment of the invention, the aquatic animals include any one of fish, shrimp or crab or a combination of at least two thereof.
Through the restriction to the concrete kind of aquatic animal for it can be bait by the root system piece of aquatic plant, phytoplankton or zooplankton, further promotes water purifying effect.
The floating wetland 60 belongs to a novel in-situ biological-ecological treatment technology and has the relevant functions of water quality purification, algal bloom prevention and control, ecological restoration and the like.
As an alternative embodiment of the invention, the floating wetland 60 comprises aquatic vegetation 61, a planting soil layer 62, a material layer 63 and a fixing assembly 64, as shown in fig. 4 in particular;
planting soil layer 62 sets up in material layer 63 top, and aquatic vegetation 61 plants on planting soil layer 62, and the one end and the material layer 63 of fixed subassembly 64 are connected, and the other end is connected with the river course bottom.
The aquatic vegetation 61 on the floating wetland 60 is preferably selected from local species according to local climatic conditions, typically but not limited to reed, cattail, calamus, canna or cane shoot, and is not particularly limited herein.
The planting soil layer 62 provides an excellent growing environment for the growth of the aquatic vegetation 61, and can effectively limit the growing range of the aquatic vegetation, which is beneficial to maintaining the landscape stability of the aquatic vegetation.
The fixing assembly 64 is mainly used for fixing the floating wetland 60 in the water body. As an alternative embodiment of the present invention, the fixing assembly 64 includes a rope and a positioning stone, one end of the rope is connected to the material layer 63, and the other end of the rope is connected to the positioning stone, and the positioning stone is located at the bottom of the river water body.
In an alternative embodiment of the present invention, the material layer 63 of the floating wetland 60 is mainly composed of a covering protective layer, a soft air-permeable net-shaped planting medium and a biological filler layer. The planar size of the material layer 63 is not particularly limited and may be set according to actual needs. A typical but non-limiting planar dimension of material layer 63 is 2m x 1.5 m. Material layer 63 is conventional and commercially available.
A plurality of floating wetlands 60 can be arranged in the facultative ecological pond and the aerobic ecological pond, and different floating wetlands 60 are mainly connected and assembled through steel wire ropes. Generally, the coverage rate of the floating wetland 60 on the surface of the water body is 30-50%, and the coverage rate of the aquatic vegetation 61 on the surface of the floating wetland 60 is more than 90%.
The solar reaeration apparatus 50 is an existing apparatus, commercially available.
As an alternative embodiment of the present invention, the solar reoxygenation apparatus 50 includes a solar panel, a bracket, a connecting device, an impeller, a transmission shaft, a motor, a gearbox and an automatic control device, which are available on the market, and therefore, the structure thereof will not be described in detail here.
Solar panel absorbs external solar energy light to constantly turn into the electric energy with light energy, drive the impeller stirring through the motor, increase the water disturbance, constantly supply dissolved oxygen to the water.
The operation mode of the solar reoxygenation equipment 50 is as follows: the automatic start-up in daytime and the automatic stop at night. The circulating flux and the dissolved oxygen capacity are set according to the actual water body requirement. For example, the circulation flux may be 1200m3Per hour, oxygen dissolving capacity of 0.80-1.05kg O2/h。
The solar energy reaeration device 50 can be arranged according to the water quantity and the dissolved oxygen level of the facultative ecological pond 30 and the aerobic ecological pond 40, and is installed and positioned through a fixing piece 51, a positioning stone 53 and a counterweight stone 52, as shown in fig. 3. The fixing member 51 may be a fixing member having high strength and a large load, such as a stainless steel rope.
As an alternative embodiment of the present invention, river bank belts 80 are further provided on both sides of the river.
As an alternative embodiment of the present invention, the riverway bank 80 is provided with grass planting revetments and waterfront plant areas.
The grass planting bank protection setting is on the bank protection, and the setting in shore water plant district is in land and water certain region of leaning on in turn. The grass planting slope protection and the waterfront plant area are used for planting various emergent water and herbaceous plants, the grass planting slope protection can effectively prevent water and soil loss of river banks, and the vegetation in the waterfront plant area and the constructed wetland can purify sewage and beautify the landscape and can be used as a biomass energy source to obtain economic benefits.
The carrier filler 70 is where microorganisms attach to grow to form a biofilm. As an alternative embodiment of the present invention, the carrier filler 70 is a biological carrier filler.
As shown in fig. 5, the carrier packing 70 is mounted on a fixing bracket 71, and the carrier packing 70 is allowed to stand in a water body by means of floating balls 72.
In a preferred embodiment of the present invention, the carrier filler 70 is a carbon bio-carrier filler.
The carbon biological carrier filler is a carbon fiber material. Typical but non-limiting performance parameters of carbon bio-carrier fillers are: the length of the carbon fiber is 65cm, the content of the carbon fiber is not less than 20 g/root, and the specific surface area is not less than 1000m2And g, adopting a fixed bracket mounting mode, wherein the mounting distance is generally 0.5 m. The carbon biological carrier filler can provide habitat for microbial flora, phytoplankton, protozoa and micro metazoan, and then remove pollutants in water through adsorption and microbial degradation.
According to the in-situ restoration system for the river water body, the primary water retaining dam and the secondary water retaining dam are arranged in the original river channel, and the water level is lifted by utilizing the primary water retaining dam and the secondary water retaining dam, so that the retention time of river water in the facultative ecological pond and the aerobic ecological pond is prolonged, and suspended matters and sediment are conveniently retained; the solar reoxygenation equipment, the floating wetland, the carrier filler, the aquatic plants and the aquatic animals arranged in the facultative ecological pond and the aerobic ecological pond form a water body self-purification system, so that insoluble organic pollutants in river water are filtered and intercepted by the carrier filler and the root systems of the aquatic plants, and soluble organic matters are decomposed and removed through the adsorption and absorption of the root systems of the aquatic plants and the carrier filler and the biological metabolic process of the aquatic plants and the aquatic animals; the grass planting revetment and the shore water plant area planted on the river bank can prevent the water and soil loss of the river bank side slope and simultaneously play the effects of dirt purification and landscape.
The riverway water body in-situ restoration system can fully utilize the existing riverway, greatly saves construction land, has low investment, short construction period, simple process and easy maintenance, has certain landscape effect, can efficiently remove organic matters such as COD (chemical oxygen demand), nitrogen and phosphorus and other pollutants in water, purifies water quality of the water body, improves a riverway ecosystem, and helps to restore the self-purification capacity of the water body.
In view of the advantages of the in-situ riverway water body remediation system, the in-situ riverway water body remediation system has a good application prospect in the field of water body pollution treatment, and provides a basis for improving the ecological purification environment of the river water body.
Example two
The embodiment of the invention also provides an ecological restoration system which comprises the riverway water body in-situ restoration system.
In view of the advantages of the riverway water body in-situ remediation system, the ecological remediation system also has the same advantages. The ecological restoration system has good application prospect in the field of water pollution treatment.
The ecological restoration system comprises the riverway water body in-situ restoration system and can also comprise a soil restoration system and the like. The soil remediation system can perform ecological remediation on the polluted soil by using a remediation mode of plant, microorganism or chemical remediation.
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. The in-situ riverway water body restoration system is characterized by comprising a riverway, wherein a primary water retaining dam and a secondary water retaining dam are arranged in the riverway;
a facultative ecological pond is arranged at the upstream of the primary water-blocking dam, an aerobic ecological pond is arranged between the primary water-blocking dam and the secondary water-blocking dam, and solar reoxygenation equipment is arranged in both the facultative ecological pond and the aerobic ecological pond;
floating wetlands, aquatic plants and aquatic animals are arranged in the facultative ecological pond and the aerobic ecological pond, and carrier fillers are also arranged in the aerobic ecological pond.
2. The in situ riverway water body remediation system of claim 1 wherein the aquatic plant comprises any one or a combination of at least two of reed, cattail, calamus, canna or cane shoots;
and/or the aquatic animals comprise any one or a combination of at least two of fishes, shrimps or crabs.
3. The in-situ riverway water body remediation system of claim 1, wherein the floating wetland comprises aquatic vegetation, a planting soil layer, a material layer and a fixed assembly;
the planting soil layer set up in the material layer top, aquatic vegetation plant in plant on the soil layer, fixed subassembly one end with material layer connection, the other end with the river course bottom is connected.
4. The in-situ riverway water body remediation system of claim 1, wherein the depth of water in the facultative ecological pond is greater than the depth of water in the aerobic ecological pond.
5. The in-situ riverway water body remediation system of claim 1, wherein riverway bank belts are further arranged on two sides of the riverway.
6. The in-situ riverway water body remediation system of claim 5, wherein the riverway bank is provided with grass planting revetments and waterfront plant zones.
7. The in-situ riverway water body remediation system of any one of claims 1 to 6, wherein the primary and secondary barrages are rubber barrages.
8. The in-situ riverway water body remediation system of any one of claims 1 to 6 wherein the carrier filler is a carbon bio-carrier filler.
9. An ecological restoration system, which comprises the riverway water body in-situ restoration system in any one of claims 1 to 8.
10. The use of the in-situ riverway water body remediation system of any one of claims 1 to 8 or the ecological remediation system of claim 9 in the field of ecological pollution remediation.
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| CN109516650A (en) * | 2018-12-28 | 2019-03-26 | 安徽黄河水处理科技股份有限公司 | Dirty system and construction method are cut in a kind of low control source |
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