CN112390349A - Underwater bionic ecological system for river sewage bottom mud treatment - Google Patents
Underwater bionic ecological system for river sewage bottom mud treatment Download PDFInfo
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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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
- C02F7/00—Aeration of stretches of water
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- 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
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Abstract
The invention relates to an underwater bionic ecological system for treating river sewage and bottom mud, which is formed by splicing a plurality of underwater bionic ecological units, wherein each underwater bionic ecological unit comprises a bionic aquatic weed module, a biological agent adding module, an ultramicro oxygenation module, a bottom mud blocking module and a repair blanket supporting module; the method is characterized in that: the bottom sediment separation module is arranged at the bottom of the unit, the repair blanket supporting module is arranged at the upper part of the bottom sediment separation module, the biological agent adding module and the ultramicro oxygenation module are arranged between the repair blanket supporting module and the bottom sediment separation module, and the bionic aquatic weed module is arranged at the upper part of the repair blanket supporting module. The underwater bionic ecosystem can reconstruct the underwater ecological environment on the premise of treating bottom mud and water body pollution, provides necessary conditions for the growth of aquatic organisms, and is beneficial to the restoration and long-term maintenance of the ecological environment.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to restoration of bottom mud of a black and odorous river and water quality purification application, and more particularly relates to an underwater bionic ecosystem for treating the bottom mud of the sewage of the river.
Background
With the rapid development of social economy, the living standard of people is increasingly improved, and the water environment problem of cities and surrounding villages in China is increasingly aggravated. Excessive organic pollutants, nitrogen and phosphorus and the like are discharged into the water body, the self-purification capacity of the water body is exceeded, the water body ecological system is unbalanced, and the water body ecological environment continuously deteriorates to form a black and odorous water body. The black and odorous water body not only brings extremely poor sensory experience to the masses, but also is even harmful to physical and mental health of people, and becomes an important environmental problem which restricts the economic development of China and influences the urban image and ecological safety.
The sediment is one of three environmental elements (water quality, aquatic organisms and sediment) of the water ecosystem, has double effects of receiving foreign pollutants and releasing nutritive salts into a water body, and plays an important role in the material circulation and energy flow process of the water ecosystem. The sediment is composed of a large amount of nutrients (nitrogen, phosphorus, organic matters and the like), and along with the continuous accumulation of the nutrients, the sediment not only can have important influence on benthonic organisms existing in the sediment, but also the inherent nutrients can enter an upper-layer water body along with the movement of the water body, so that the concentration of the nutrients such as nitrogen, phosphorus and the like in the water body is increased, and the eutrophication degree of the water body and the outbreak probability of algal bloom are aggravated. Meanwhile, the bottom mud also contains harmful substances such as heavy metals, and further pollution can be caused if the bottom mud enters the restored water body. At present, the urban river sediment is repaired by a plurality of methods, such as river sediment dredging, sediment covering and sediment in-situ microbial repair. According to the current situation of the water environment and the experience of the company in treating the water environment for many years, the inventor researches and develops an underwater bionic ecosystem with independent intellectual property rights by closely surrounding ten water treatment requirements on black and odorous water bodies, and referring to relevant treatment technologies, technical specifications and standards of the current country and various places and relevant expert documents, the product can integrate the functions of adsorption, aeration, oxygenation, ecological restoration and the like, and fills the blank of in-situ ecological restoration of bottom mud in the water environment market.
Disclosure of Invention
The invention provides an underwater bionic ecosystem for treating river sewage and bottom mud.
The technical problem to be solved by the invention is as follows: the ecological system environment at the bottom of the river channel has oxygen deficiency; the aquatic animals and plants are few; the problems of few types and numbers of microorganisms and the like are caused, and further, the deterioration of the ecological system environment and the aggravation of pollution are caused.
The underwater bionic ecosystem for treating the river sewage bottom mud is provided with a device for increasing oxygen for the bottom mud and the water body above the bottom mud in the water body, and an aeration device, an aeration main pipe and an aeration branch pipe on the bank can perform aeration and oxygen increase on the bottom mud and the water body above the bottom mud. The lower end of the unit is provided with a biological agent adding system, and the biological agent not only has effective degradation effect on organic matters in the bottom sediment, but also can effectively activate the activity of indigenous microorganisms in the bottom sediment, and increase the types and the number of microorganisms.
Specifically, the underwater bionic ecosystem for treating the river sewage and bottom mud is formed by splicing a plurality of underwater bionic ecological units, wherein each underwater bionic ecological unit comprises a bionic aquatic weed module, a biological agent adding module, an ultramicro oxygenation module, a bottom mud blocking module and a repair blanket supporting module; the method is characterized in that: wherein the bottom sediment separation module is arranged at the bottom of the unit, the upper part of the bottom sediment separation module is provided with a repair blanket supporting module, a biological agent adding module and an ultramicro oxygenation module are arranged between the repair blanket supporting module and the bottom sediment separation module, and the upper part of the repair blanket supporting module is provided with a bionic aquatic weed module.
Furthermore, the bionic aquatic weed module comprises bionic aquatic weeds which are made of high polymer materials used in ecological water treatment, and the bionic aquatic weeds provide enough places for growth and propagation of microorganisms.
Furthermore, the sediment obstructing module comprises a high polymer material covering layer, and the bottom of the high polymer material covering layer is also provided with an ultramicro oxygenation module.
Further, the repair blanket support module comprises a high polymer material support layer, wherein a plurality of fixing grooves which are uniformly arranged are formed in the surface of the high polymer material support layer and used for fixing the bionic aquatic weed module.
Furthermore, the biological agent adding module comprises a biological agent adding pipeline, a biological agent storage tank, a feeding pump and a control device, wherein the biological agent storage tank, the feeding pump and the control device are located on the shore, and the biological agent adding pipeline is uniformly arranged between the repair blanket supporting module and the bottom sediment blocking module.
Furthermore, the ultramicro oxygenation module comprises an ultramicro aeration pipeline and aeration equipment connected with the ultramicro aeration pipeline and positioned at the bank side, and the ultramicro aeration pipeline is fixedly arranged at the upper part and/or the lower part of the sediment obstruction module.
Furthermore, the middle of the bionic aquatic weed is made of pearl wool, so that the bionic aquatic weed can float in river water.
Furthermore, the ultramicro aeration pipeline comprises a main pipeline and a branch pipeline, micron-sized aeration holes are uniformly formed in the surfaces of the main pipeline and the branch pipeline, and bubbles coming out of the micron-sized aeration holes are in a micron level, so that the dissolved oxygen can be well supplemented to the bottom mud and the water body.
Furthermore, the biological agent added by the biological agent adding module comprises a plurality of biological enzymes, nonionic surface active agents, protein and biological activators of inorganic nutrients, wherein the biological enzymes can activate the microbial activity of water and bottom mud, strengthen the decomposition of organic pollutants by microbes, finally reduce and oxidize the bottom mud, and realize the in-situ remediation of the bottom mud of rivers and lakes.
Furthermore, the size of the underwater bionic ecological unit is 3 meters by 10 meters, and the area of the underwater bionic ecological unit is 30m2The connection between the underwater bionic ecosystems is mainly realized by a binding belt, and the connection area can be adjusted according to the actual condition.
Furthermore, the aeration equipment can be a low-pressure turbine aeration fan, the power is 2.2kW, and the air volume of the fan is 150m3The pressure is 440kpa, and the material is cast iron.
The aeration and oxygenation function of the underwater bionic ecosystem is realized mainly by the ultramicro aeration pipe which is arranged at the same side of the bank aeration device and extends to the bottom edge of the bank of a river channel through the main aeration pipe to be connected with the bank aeration device, the ultramicro aeration pipe can be arranged below and above the high polymer material covering layer to respectively oxygenate bottom mud below the high polymer material covering layer and water above the high polymer material covering layer, the dissolved oxygen concentration of the bottom mud and the water can be improved, the microbial reaction can be promoted, and the aeration and oxygenation are favorable for the reduction of organic matters of the bottom mud and the purification of the water quality.
The dissolved oxygen in the water body is improved, so that the growth and the propagation of microorganisms in the bottom mud and the water body can be promoted, pollutants are quickly degraded, the water quality of the water body is further purified, and necessary conditions are provided for the establishment of a river ecosystem. The disturbance of the ultramicro fine bubbles to the sediment is smaller compared with the traditional aeration mode, and the sediment is prevented from turning upwards due to aeration. The ultramicro oxygenation is more efficient in generating oxygen compared with the photosynthesis of submerged plants, the submerged plants perform the photosynthesis under the action of sunlight to provide oxygen for a water body, but the action conditions and the release amount of the oxygen are extremely limited; the ultramicro oxygenation is realized by utilizing an artificial oxygenation mode, the oxygen charging amount is adjustable and is not limited by external natural conditions; the submerged plants can consume the dissolved oxygen in the water body at night and compete for oxygen with aquatic animals, and the ultramicro oxygenation can be carried out at night at any time, so that the intelligent oxygenation has flexibility.
The bionic aquatic weed main branch and stem adopted by the invention is provided with the foam floating material, the aquatic weed blade can be made of a high-molecular fiber strip material, a larger surface area is provided, microorganisms in river water can be attached to the foam floating material for growth and reproduction, the cost for maintaining and salvaging submerged plants is avoided while the function of the submerged plants in the river water is replaced, and beautiful scenic lines can be formed underwater in winter.
Secondly, the upward turning of the sediment causes pollutants in the sediment to be one of the main causes of water body pollution, and meanwhile, green moss growing on the bottom of the river is inconvenient to salvage and easily floats to the surface of the river to cover the appearance of the surface of the river and can also shield sunlight provided for submerged plants, so that the normal photosynthesis of the submerged plants is prevented; the sediment separation module has a large area, and both the original aquatic animals and plants and the activated indigenous microorganisms can grow and propagate on the surface of the sediment separation module, so that a necessary place is provided for establishing an underwater bionic ecosystem.
In addition, the biological agent adding module can uniformly and quantitatively add the microbial compound enzyme into the bottom polluted sludge, can quickly activate a large amount of indigenous microorganisms, realize mass propagation of indigenous beneficial microorganisms, quickly decompose organic pollutants in the bottom sludge, promote metabolic absorption of the microorganisms, and radically eliminate organic matters, grease and the like; meanwhile, the peculiar smell caused by hydrogen sulfide, bromine and ammonia can be eliminated, the water content in the bottom sludge is reduced, N, P and organic matters in the bottom sludge are reduced, and the thickness of the bottom sludge is reduced.
The underwater bionic ecosystem structure can effectively improve dissolved oxygen in water and activate beneficial indigenous microorganisms by ultramicro oxygenation and addition of biological agents, the increase of water dissolved oxygen can promote the activity of the microorganisms, and a convenient condition is provided for growth, development and propagation of aerobic microorganisms in bottom mud and water, the bionic aquatic weeds are fixed by the repairing blanket supporting module, so that the shapes of the bionic aquatic weeds appearing on river surfaces are controllable, and the shapes of the bionic aquatic weeds system can be designed on the repairing blanket supporting module at will; the repair blanket support module also supports and fixes the repair blanket main body while fixing the bionic aquatic weeds, so that the underwater bionic ecosystem is prevented from being influenced by the scouring of rivers. A large amount of bionic aquatic weeds are placed in river water, various aquatic organisms can be attached to the surfaces of the bionic aquatic weeds to form biological films (beneficial microbial colonies), and the microbial colonies play a key role in biological filtration and biological conversion for eutrophic water. The metabolism and decomposition of the microorganisms can effectively decompose and convert organic pollutants in the sediment and the water body, so that the water quality is purified, and necessary preparation is made for rebuilding an ecological system. The healthy and benign underwater ecological circulation system mainly comprises producers (aquatic vegetation), consumers (aquatic animals) and decomposers (microbial flora), and the self-purification of a water area can be realized only through organic unification and stable balance of the producers (aquatic vegetation), the consumers (aquatic animals) and the decomposers (microbial flora). Aquatic vegetation is influenced by the seasonal environment greatly, the number of plants is difficult to control, and the aquatic vegetation can cause the change of carbonic acid balance in water when photosynthesis is carried out to absorb carbon dioxide to produce oxygen, so that the pH value is increased, and the growth of aquatic organisms is influenced. The underwater bionic ecosystem supplies water through ultramicro oxygenation, does not cause pH value change, is beneficial to mass propagation of microbial flora, degrades pollutants and is used as food of filter-feeding fishes; the underwater bionic ecosystem can also provide a habitat for the aquatic organisms. The underwater bionic ecosystem is used as a part of a non-biological environment, provides oxygen and living space for organisms, and forms a healthy and benign underwater ecological circulation system under the synergistic action of the oxygen and the living space and a biological community.
For the desilted river channel, the underwater bionic ecosystem can promote the reconstruction of the underwater ecosystem, is beneficial to quickly restoring the healthy ecosystem of the river channel, can prolong the desilting period and improves the desilting economic benefit. For a river channel which is not yet desilted, the underwater bionic ecosystem can carry out ecological desilting on the river channel, does not disturb sediment, and directly carries out in-situ treatment, thereby causing little influence on water quality; the biological complex enzyme can activate indigenous microorganisms in the sediment, maintain the original microbial community and promote the rapid construction of an ecological system. The good underwater ecological environment can provide healthy nutrient substances and living conditions for river water, and meanwhile, the good underwater ecological system also improves the overall appearance of rivers and lakes, so that the rivers and lakes look beautiful.
The underwater bionic ecosystem has a splicing structure, different modules are arranged according to a specific river channel, the different modules can be maintained and repaired more conveniently, and if one module is damaged, the module can be maintained and replaced.
Furthermore, the underwater bionic ecosystem can be further provided with a bank intelligent water affair management system intelligent water affair system in a matched manner, the intelligent water affair system can be a commercially available intelligent water affair system and generally comprises a flow detection device, a water quality detection device, an intelligent analysis device, a water treatment control platform and an intelligent terminal service device, and the intelligent terminal service device is used for controlling the operation state of the device, analyzing information and receiving and transmitting information.
The invention has the beneficial effects that:
1. the underwater bionic ecosystem can avoid disturbance of aeration to the bottom mud, can be directly laid above the bottom mud of a river channel, adopts a splicing structure, is connected through the clamps, can be adjusted and spliced according to actual needs, can be independently maintained or replaced aiming at single problem bottom mud sinking blankets after a single underwater bionic ecosystem breaks down, and is very convenient to operate and maintain.
2. The underwater bionic ecosystem provided by the invention adopts a large amount of bionic aquatic weeds to be placed in river water, various aquatic organisms can be attached to the surfaces of the aquatic weeds to form biological films (beneficial microbial colonies), and the microbial colonies play key roles in biological filtration and biological conversion for eutrophic water bodies. The metabolism and decomposition of the microorganisms can effectively decompose and convert organic pollutants in the sediment and the water body, so that the water quality is purified, and necessary preparation is made for rebuilding an ecological system.
3. The biological agent adding module can uniformly and quantitatively add the microbial compound enzyme into the bottom polluted sludge, can quickly activate a large amount of indigenous microorganisms, realize mass propagation of indigenous beneficial microorganisms, quickly decompose organic pollutants in the bottom sludge, promote metabolic absorption of the microorganisms, and radically eliminate organic matters, grease and the like; meanwhile, peculiar smell caused by hydrogen sulfide, bromine and ammonia can be eliminated, the water content in the bottom sediment is reduced, N, P and organic matters in the bottom sediment are reduced, the thickness of the bottom sediment is reduced, meanwhile, the underwater bionic ecosystem is used as a part of a non-biological environment, oxygen and living space are provided for organisms, the underwater bionic ecosystem and a biological community have synergistic effect, and a healthy and benign underwater ecological circulation system can be formed.
4. The underwater bionic ecosystem can be connected with an intelligent water affair system like other small-sized water treatment equipment, and the provided online water quality detection equipment can analyze and process the detection of the water quality of the water above the sediment at regular time and transmit the water quality to a computer or a mobile terminal through the intelligent water affair system, so that managers can monitor the sewage treatment condition above the sediment in real time, the convenience of real-time monitoring and adjustment is ensured, the water quality above the sediment is ensured to be stable and reach the standard, and the effect of intelligent management is achieved.
Description of the drawings:
fig. 1 is a schematic structural view of an underwater biomimetic ecosystem according to the present invention.
Detailed Description
For a better understanding of the present invention, the contents of the present invention are further clarified below with reference to fig. 1 to embody the functions of the present invention. However, the present invention is not limited to the following examples.
The embodiment provides an underwater bionic ecosystem for treating river sewage and bottom mud, which is formed by splicing a plurality of underwater bionic ecological units, wherein each underwater bionic ecological unit comprises a bionic aquatic weed module, a biological agent adding module, an ultramicro oxygenation module, a bottom mud blocking module and a repair blanket supporting module; wherein the bottom sediment separation module is arranged at the bottom of the unit, the upper part of the bottom sediment separation module is provided with a repair blanket support module, a biological agent adding module and an ultramicro oxygenation module are arranged between the repair blanket support module and the bottom sediment separation module and below the bottom sediment separation module, and the upper part of the repair blanket support module is provided with a bionic aquatic weed module. The bionic aquatic weed module comprises a bionic aquatic weed 1, the bionic aquatic weed 1 is made of a high polymer material used in ecological water treatment, and the bionic aquatic weed 1 provides an enough place for the growth and the propagation of microorganisms. The middle of the bionic aquatic weed 1 is made of pearl wool, so that the bionic aquatic weed can float in river water. The aquatic weed blades are made of composite fiber materials and can be in a belt shape, a bundle shape, a rope shape or other shapes, the aquatic weed blades are in a fiber rope shape, the diameter of the fibers is about 25.4 micrometers, the surface area of each square meter can be about 250 square meters, huge biological attachment surfaces can be provided for growth and reproduction of microorganisms in water, and meanwhile, the aquatic weed blades have a certain lifting effect on underwater landscapes. The sediment barrier module comprises a high polymer material covering layer 3. The repairing blanket supporting module comprises a high polymer material supporting layer 2, the high polymer material supporting layer 2 is a framework of a system formed by high polymer composite materials, and a plurality of fixing grooves 4 which are uniformly arranged are formed in the surface of the framework and used for fixing the bionic aquatic weed module. The polymer material covering layer 3 is woven by adopting a composite fiber material, and the polymer material supporting layer 2 and the polymer material covering layer 3 form a matrix structure layer, so that the upwelling of bottom sludge, pollutants, green moss and the like can be effectively prevented.
The biological agent adding module in the embodiment comprises a biological agent adding pipeline 5, a biological agent storage tank, a feeding pump and a control device, wherein the biological agent storage tank, the feeding pump and the control device are located on the shore, and the biological agent adding pipeline 5 is uniformly arranged between the repair blanket supporting module and the bottom sediment blocking module. The ultramicro aeration module comprises an ultramicro aeration pipeline 6 and aeration equipment connected with the ultramicro aeration pipeline and positioned at the bank side, and the ultramicro aeration pipeline 6 is fixedly arranged at the upper part and the lower part of the sediment separation module. The ultramicro aeration pipeline 6 comprises a main pipeline and branch pipelines, aeration holes with the diameter of 1-5 microns are uniformly formed in the surfaces of the main pipeline and the branch pipelines, and bubbles coming out of the aeration holes are in the micron level, so that the dissolved oxygen can be well supplemented to the bottom mud and the water body.
In this embodiment, the biological agent added by the biological agent adding module includes cellulase, lipase, protease and amylase, and further includes a nonionic surfactant fatty alcohol-polyoxyethylene ether, a biological activator of protein and inorganic nutrients, the biological activator includes ammonium sulfate, monopotassium phosphate, dipotassium hydrogen phosphate, glutamic acid and humic acid, and the mass ratio of ammonium sulfate, monopotassium phosphate, dipotassium hydrogen phosphate, glutamic acid and humic acid in this embodiment is 1: 1: 1: 1: 1.5. the biological enzyme can activate the microbial activity of the water body and the bottom mud, strengthen the decomposition of the microorganisms on organic pollutants, finally reduce and oxidize the bottom mud, and realize the in-situ remediation of the bottom mud of rivers and lakes.
The aeration equipment can be a low-pressure turbine aeration fan with the power of 2.2kW and the fan air volume of 150m3The pressure is 440kpa, and the material is cast iron. The size of the underwater bionic ecological unit is 3 m by 10 m, and the area is 30m2The connection between the underwater bionic ecosystems is mainly realized by a binding belt, and the connection area can be adjusted according to the actual condition.
In this embodiment, the area of the black and odorous water body in the river is 6000m2On the left and right sides, the whole underwater bionic ecosystem is of a splicing structure, a single restoration blanket module is 3 meters by 10 meters, and the area is 30m2Therefore, in the embodiment, the river width is 10 meters, the laying length is 600 meters, and the underwater bionic ecosystems are connected through the cable ties. After the underwater bionic ecosystem disclosed by the invention is used for treating black and odorous water for 14 days, the transparency of the water is obviously improved, the deterioration degree of the black and odorous water is improved, after the black and odorous water is continuously treated for 1 month, the black and odorous phenomenon basically disappears, the water is clear after the black and odorous water is continuously treated for 2 months, fishes and shrimps are clustered, and the water ecologyThe system returns to normal.
In other application scenes, the area of the underwater bionic ecosystem is randomly spliced and assembled according to the specific area of a river channel.
In another embodiment, the underwater bionic ecosystem can also be provided with an intelligent monitoring standard bottom DO and ammonia nitrogen on-line monitoring (other on-line monitoring can be added according to the user requirement), the water quality of the bottom water body is monitored in real time, and the operation state of the system is manually or automatically regulated according to feedback indexes. The biological agent adding equipment can convey a microbial compound enzyme to the bottom sludge at regular time, regulate and control the state of microbial flora, quickly reduce organic matters in bottom sludge, reduce the water content of the sludge and reduce the sludge.
In another embodiment, the ultramicro aeration pipeline and the biological agent adding pipeline can be in the same path, so that not only can the material expenditure be saved, but also sufficient dissolved oxygen can be ensured to be supplied to indigenous microorganisms activated by biological agents at the biological agent adding position.
In another embodiment, the water quality monitoring device comprises a temperature sensor, an ORP measuring instrument, a pH monitor and an ammonia nitrogen content detector, wherein a data signal of the water quality monitoring device is transmitted to a monitoring device of the electric control room, and then is transmitted back to a computer terminal or a mobile device terminal through a signal transmitter after signal conversion, so that the terminal can monitor the sewage treatment condition in real time.
The underwater bionic ecosystem can be used for treating bottom mud of a black and odorous river channel and water above the black and odorous river channel, and the length and the width of the underwater bionic ecosystem can be determined according to the conditions of the water bank, the water quality and the like of the river channel in a specific actual site. The form and the variety of the biological granular enzyme in the controlled release bag below the underwater bionic ecosystem can be determined according to the field substrate sludge and the water quality pollution condition. The common black and odorous water body sediment sources are domestic water and rainwater from surrounding residents, and sediment below riverways is drained from factories in upstream areas, the common mechanical dredging disturbs the water body per se, the original ecological system of microorganisms and the water body condition of the microorganisms are broken, and the in-situ microorganism remediation method has long culture period and poor culture effect. Therefore, the underwater bionic ecosystem can well solve the problems.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some 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 spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An underwater bionic ecological system for treating river sewage and bottom mud is formed by splicing a plurality of underwater bionic ecological units, wherein each underwater bionic ecological unit comprises a bionic aquatic weed module, a biological agent adding module, an ultramicro oxygenation module, a bottom mud blocking module and a repair blanket supporting module; the method is characterized in that: wherein the bottom sediment separation module is arranged at the bottom of the unit, the upper part of the bottom sediment separation module is provided with a repair blanket supporting module, a biological agent adding module and an ultramicro oxygenation module are arranged between the repair blanket supporting module and the bottom sediment separation module, and the upper part of the repair blanket supporting module is provided with a bionic aquatic weed module.
2. The underwater biomimetic ecosystem of claim 1, wherein: the bionic aquatic weed module comprises a bionic aquatic weed (1), the bionic aquatic weed (1) is made of a high polymer material used in ecological water treatment, and the bionic aquatic weed (1) provides an enough place for the growth and the propagation of microorganisms.
3. The underwater biomimetic ecosystem of claim 1, wherein: the sediment separation module comprises a high polymer material covering layer (3), and the bottom of the high polymer material covering layer (3) is further provided with an ultramicro oxygenation module and a biological agent adding module.
4. The underwater biomimetic ecosystem of claim 1, wherein: the repairing blanket supporting module comprises a high polymer material supporting layer (2), wherein a plurality of fixing grooves (4) which are uniformly arranged are formed in the surface of the high polymer material supporting layer (2) and used for fixing the bionic aquatic weed module.
5. The underwater biomimetic ecosystem of claim 1, wherein: the biological agent adding module comprises a biological agent adding pipeline (5), a biological agent storage tank, a feeding pump and a control device, wherein the biological agent storage tank, the feeding pump and the control device are positioned on the shore, and the biological agent adding pipeline (5) is uniformly arranged between the repairing blanket supporting module and the bottom sediment blocking module.
6. The underwater biomimetic ecosystem of claim 1, wherein: the ultramicro aeration module comprises an ultramicro aeration pipeline (6) and aeration equipment connected with the ultramicro aeration pipeline and positioned on the shore, and the ultramicro aeration pipeline (6) is fixedly arranged on the upper part and/or the lower part of the sediment separation module.
7. The underwater bionic ecosystem as claimed in claim 2, wherein the middle of the bionic aquatic weed (1) is made of pearl wool, which can achieve a floating effect in river water.
8. The underwater biomimetic ecosystem of claim 6, wherein: the ultramicro aeration pipeline (6) comprises a main pipeline and branch pipelines, micron-sized aeration holes are uniformly formed in the surfaces of the main pipeline and the branch pipelines, and bubbles coming out of the ultramicro aeration holes are in a micron level, so that the dissolved oxygen can be well supplemented to bottom mud and a water body.
9. The underwater bionic ecosystem of claim 1, wherein the biological agent added by the biological agent adding module comprises a plurality of biological enzymes, nonionic surfactants, biological activators of proteins and inorganic nutrients, wherein the biological enzymes can activate the microbial activity of water and bottom mud, so that the decomposition of organic pollutants by microorganisms is enhanced, and finally the bottom mud is reduced and oxidized, and the in-situ remediation of the bottom mud of rivers and lakes is realized.
10. The underwater biomimetic ecosystem of claim 1, wherein the underwater biomimetic ecological unit has a size of 3 m by 10 m and an area of 30m2The connection between the underwater bionic ecosystems is mainly realized by a binding belt, and the connection area can be adjusted according to the actual condition.
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