CN210048546U - Ecological restoration system of natural water body - Google Patents
Ecological restoration system of natural water body Download PDFInfo
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- CN210048546U CN210048546U CN201920197013.0U CN201920197013U CN210048546U CN 210048546 U CN210048546 U CN 210048546U CN 201920197013 U CN201920197013 U CN 201920197013U CN 210048546 U CN210048546 U CN 210048546U
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model provides an ecological remediation system of natural water. This ecological remediation system includes aeration equipment, and aeration equipment includes: the micro-nano aeration disc is arranged at the bottom of the natural water body and is used for generating micro-scale and/or nano-scale bubbles in the natural water body; and the fan is communicated with the micro-nano aeration disc. The micro-nano aeration disc is arranged at the bottom of the natural water body, and a fan communicated with the micro-nano aeration disc is used for conveying gas into the micro-nano aeration disc, so that artificial biological enhancement is carried out on the aeration of the natural water body, and the natural water body is recovered with a self-cleaning function. And, adopt above-mentioned micro-nano level aeration dish to replace the aeration pipe among the prior art, need not to reduce the water level during the installation, only need pass through the trachea with it and fan and be connected the back, artifical from the nature water surface transfer to the bottom, realize this aeration equipment's the operation of taking water promptly through starting the fan, make above-mentioned ecological remediation system implement more simply, high-efficient.
Description
Technical Field
The utility model relates to an environmental protection and treatment field particularly, relate to an ecological remediation system of natural water.
Background
Riverways, ponds and ditches are important components of rural ecosystems and living spaces, rural economy develops rapidly along with continuous deepening of reform openness, rural residents begin to change production and living modes, natural water bodies such as ponds around villages are damaged along with atmospheric climate and large ecology change, the natural water bodies begin to become accepting places of domestic garbage, rainwater and domestic sewage, the ecological environment is seriously damaged, the safety of surface water and underground water environment is seriously threatened, pond water cannot reach the standard required by the water area environment function and the protection target in the quality standard of surface water environment GB3838-2002, the water area ecological function is reduced, and treatment is urgently needed.
The water environment restoration technologies such as magnetic separation, fiber filtration, biological aerated filter, artificial wetland and the like are numerous, and most of the technologies are used for centralized water quality purification of water discharged into open water bodies such as urban riverways, wetlands and the like. For a closed pit and pond, the technologies cannot be fully adapted to complicated and changeable living environments in rural areas, the construction and maintenance cost is high, and sufficient special personnel are lacked. Therefore, a treatment method and technology suitable for the characteristics of water body sealing, water discharge and the like of rural pits are urgently needed to be developed.
When the natural water around the rural residential area is restored, besides the pollution discharge is reduced by artificial means, the traditional ecological technology and biological treatment technology are combined, the self-regulation capacity and the organizational capacity of the water ecological system are restored by utilizing the natural self-restoration capacity and balancing producers and consumers in the water ecological system under the auxiliary measures of artificial reseeding plants, so that the ecological restoration of the natural water around the rural residential area is realized, and the virtuous cycle of the natural water system ecological system around the rural residential area is restored.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an ecological restoration system for natural water bodies to solve the problems of serious damage to ecological environment caused by the accommodation of domestic garbage, rainwater and domestic sewage in natural water bodies such as river channel, pool and ditch.
In order to achieve the above object, according to an aspect of the present invention, there is provided an ecological restoration system for a natural water body, comprising an aeration apparatus, the aeration apparatus comprising: the micro-nano aeration disc is arranged at the bottom of the natural water body and is used for generating micro-scale and/or nano-scale bubbles in the natural water body; and the fan is communicated with the micro-nano aeration disc.
Furthermore, the diameter of the micro-nano aeration disc is 60-80 cm.
Furthermore, the diameter of the aeration hole on the micro-nano aeration disc is 0.03-0.06 mm.
Further, the fan is a submerged fan or a roots fan.
Further, the ecological restoration system also comprises a biological streamer, and the biological streamer is arranged at the bottom of the natural water body.
Further, the specific surface area of the biological streamer is more than 10000m
2/m
3。
Further, the ecological restoration system also comprises a fixing piece for fixing the biological streamer, and the fixing piece is a stone anchor or a galvanized pipe.
Further, the depth of the biological streamer in the natural water body is 10-30 cm.
Further, the ecological restoration system also comprises aquatic plants planted in the natural water body, and the total area of the aquatic plants accounts for 20-40% of the total area of the natural water body.
Further, the aquatic plants include any one or more of emergent aquatic plants, floating plants, and submerged plants.
Further, the emergent aquatic plant comprises any one or more of reed, cattail, loosestrife and calamus, the buoyant plant comprises any one or more of water lily, duckweed and grass gathering, and the submerged plant comprises any one or more of hornworts, watermifoil and eel grass.
Further, the ecological restoration system further comprises an artificial floating island, and the total area of the artificial floating island accounts for 5-10% of the total area of the natural water body.
According to another aspect of the utility model, a natural water body's ecological remediation method is provided, including following step: ecological restoration of a natural water body using the ecological restoration system according to any one of claims 1 to 7.
Further, the aeration rate of the micro-nano aeration disc in the ecological restoration system is 0.1-0.4 m
3/h。
Furthermore, the density of the micro-nano aeration disc in the natural water body is 0-1 per meter
2。
Further, the step of utilizing the ecological restoration system to carry out ecological restoration on the natural water body comprises the following steps: and (2) planting aquatic plants in the natural water body, and when the depth of the natural water body is more than 1m, reducing the water level of the natural water body before planting the aquatic plants, and recovering the water level after planting the aquatic plants.
Further, the natural water body comprises a river channel, a pool and a ditch around a rural residential area, and when the thickness of bottom mud of the natural water body is more than 0.5m, the ecological restoration method also comprises the following steps before the step of carrying out ecological restoration on the natural water body by using the ecological restoration system: and dredging the bottom sludge.
Use the technical scheme of the utility model, a ecological remediation system and ecological remediation method of natural water are provided, aeration equipment among this ecological remediation system includes micro-nano level aeration dish and fan, through installing the bottom at natural water with above-mentioned micro-nano level aeration dish, and utilize with the fan of micro-nano level aeration dish intercommunication is conveying gas in to micro-nano level aeration dish to carry out artificial biological strengthening through the aeration to natural water, thereby make natural water resume self-cleaning function. And, because among the prior art need earlier reduce the water level when aerating to natural water such as pool, then install the aeration pipe at the bottom, in order to avoid the too high pipeline installation distortion that causes when installing the aeration pipe of water level, not steady scheduling problem, and the above-mentioned micro-nano level aeration dish that this application adopted replaces the aeration pipe among the prior art, need not to reduce the water level when can installing, only need pass through the trachea with it and fan and be connected the back, the manual work is transferred to the bottom from natural water surface, then through starting the fan, can realize this aeration equipment's the operation of taking water promptly, it is simpler, high-efficient to make above-mentioned ecological remediation system implement.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a micro-nano aeration disc in an ecological restoration system provided by an embodiment of the present invention; and
fig. 2 shows a schematic structural diagram of an ecological restoration system provided by an embodiment of the present invention.
Wherein the figures include the following reference numerals:
110. a micro-nano grade aeration disc; 120. a fan; 130. an air tube; 20. a biological streamer; 30. an aquatic plant; 40. artificial floating islands; 50. a fixing member; 60. a nylon rope.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, in the prior art, natural water bodies such as a river channel, a pit and a ditch are taken as receiving areas of domestic garbage, rainwater and domestic sewage, so that the ecological environment is seriously damaged. In order to solve the above technical problems, the present invention provides an ecological restoration system for natural water, as shown in fig. 1 and 2, the ecological restoration system comprises an aeration device, the aeration device comprises a micro-nano aeration disc 110 and a fan 120, the micro-nano aeration disc 110 is disposed at the bottom of the natural water and is used for generating micro-scale and/or nano-scale bubbles; the blower 120 is communicated with the micro-nano aeration disc 110.
The utility model discloses an aeration equipment among the above-mentioned ecological remediation system includes micro-nano level aeration dish 110 and fan 120, through installing above-mentioned micro-nano level aeration dish 110 in the bottom of natural water to utilize the fan 120 with micro-nano level aeration dish 110 intercommunication to conveying gas in the micro-nano level aeration dish 110, carry out artifical biological enhancement through the aeration to the natural water, thereby make the natural water resume self-purification function. And, the above-mentioned micro-nano level aeration dish 110 that adopts replaces the aeration pipe among the prior art, need not to reduce the water level when can installing, only need pass through trachea 130 with fan 120 with it and be connected the back, artifical from the natural water surface transfer to the bottom, then through starting fan 120, can realize this aeration equipment's the operation of taking water promptly, make above-mentioned ecological remediation system implement more simply, high-efficient.
The utility model discloses an among the above-mentioned ecological remediation system, micro-nano aeration dish 110 passes through trachea 130 with fan 120 and communicates, and wherein, micro-nano aeration dish 110 is shown as figure 1. Preferably, the diameter of the micro-nano aeration disc is 60-80 cm; more preferably, the diameter of the aeration holes (not shown) on the micro-nano aeration disc is 0.03-0.06 mm. The size of the micro-nano aeration disc and the size of the aeration holes in the aeration disc are limited in the preferred range, so that the diameter of pressureless micro bubbles (which cannot be increased) generated by the micro-nano aeration disc 110 is smaller than 0.25mm, the surface tension of the pressureless micro bubbles is smaller than that of water, the buoyancy of the pressureless micro bubbles is equivalent to that of water, and the contact surface of the pressureless micro bubbles and the water is basically not floated and is actively large. A large number of micro bubbles are formed at the position of water depth of about 600-1000mm, and are scattered around under the action of power, more than 1 hundred million micro bubbles with the average diameter less than 0.25mm exist in 1 cubic meter of water, and the dissolved oxygen rate is extremely high.
In the above ecological restoration system of the present invention, in order to improve the aeration effect, preferably, the above fan 120 is a submerged fan or a roots fan, and the skilled person in the art can reasonably select the type of the fan 120 according to the kind of the natural water body.
In the above ecological restoration system of the present invention, preferably, as shown in fig. 2, the ecological restoration system further includes a biological streamer 20, and the biological streamer 20 is disposed at the bottom of the natural water body. Because the biological streamers 20 can operate with water, they can be installed on the bottom of a body of water without lowering the water level. The biological streamer 20 is a water treatment high molecular biotechnological material, provides an ideal attachment matrix for the growth of microorganisms, and enables micro-animals such as indigenous bacteria, protozoa and metazoan to be attached to the attachment matrix and grow and breed to form membranous biological sludge; when the biological streamer 20 contacts with the water body, organic pollutants, algae, nitrogen, phosphorus and other nutrients in the water body are absorbed by the microorganisms on the ecological aquatic plants, so that the water body is purified, and the microorganisms are propagated, thereby effectively removing BOD and ammonia nitrogen in the sewage and purifying the water body.
More preferably, the specific surface area of the biostreamer 20 is greater than 10000m in order to increase the attachment rate of microorganisms
2/m
3(ii) a More preferably, as shown in fig. 2, the ecological restoration system of the present invention further includes a fixing member 50 for fixing the biological streamers 20, the fixing member 50 may be a stone anchor or a galvanized pipe, and the fixing member 50 is connected with the bottom sludge through a nylon rope 60, so that the biological streamers 20 are fixed in the natural water body; more preferably, the depth of the biological streamers 20 in the natural water body is 10-30 cm. The biological streamer 20 is fixed by adopting a stone anchor or a galvanized pipe, can be directly put on the water surface, is convenient to operate, and the installed biological streamer 20 does not influence flood discharge.
In the above-mentioned ecological remediation system of the utility model, in order to perfect the water plant community, preferably, as shown in fig. 2, the ecological remediation system is still including the aquatic plant 30 of planting in natural water. More preferably, the total area of the aquatic plants 30 accounts for 20 to 40% of the total area of the natural water body. The aquatic plant 30 may include any one or more of emergent plants, which may include any one or more of reed, cattail, loosestrife, and calamus, emergent plants, which may include any one or more of water lily, duckweed, and grass, and submerged plants, which may include any one or more of hornworts, watermiforms, and eel grasses. But not limited to the above, the skilled person can select the aquatic plant 30 according to the prior art.
The aquatic plants 30 can be planted by comprehensively selecting the water quality condition and the water depth, and when the water quality index of the natural water body reaches the mild and severe black and odorous levels in the classification standard of the urban black and odorous water body treatment working guideline, the aquatic plants 30 are required to be planted; when the water quality index of the natural water body does not meet the mild black and odorous in the classification standard of urban black and odorous water body treatment working guidelines, particularly the ammonia nitrogen index is less than 8.0mg/L, the aquatic plants 30 can not be planted.
In the above ecological restoration system of the present invention, preferably, as shown in fig. 2, the ecological restoration system further includes an artificial floating island 40; more preferably, the total area of the artificial floating island 40 accounts for 5-10% of the total area of the natural water body. The artificial floating island 40 has a large surface area through developed root systems of plants, has a purification effect on organic pollutants, nitrogen, phosphorus and other nutritive salts in a polluted water body, and releases a large amount of oxygen into the water body through the root systems in the plant photosynthesis process, so that the dissolved oxygen of the water body is improved, and the rapid purification of the pollutants is promoted; the plants planted in the artificial floating island 40 have a shielding effect, and can secrete algicidal chemical substances and inhibit the growth and reproduction of algae.
According to another aspect of the present application, there is provided an ecological restoration method of a natural water body, the ecological restoration method including the steps of: and carrying out ecological restoration on the natural water body by using the ecological restoration system.
In a preferred embodiment, the above ecological restoration method comprises the steps of: s1, installing an aeration device for artificial reoxygenation; s2, installing biological ribbons to provide biological carriers; s3, planting aquatic plants to perfect a water plant community; and S4, installing an artificial floating island to beautify the environment.
The utility model discloses above-mentioned ecological remediation method of natural water utilizes aeration equipment and the biological streamer combination engineering measure that can take the water operation to carry out artificial biological strengthening, plants aquatic plant and increases the chinampa, through multiple process combined action such as the absorption of biodegradation, plant, absorption, finally establishes stable natural water ecological structure, makes the natural water resume self-purification function.
In a preferred embodiment, in order to improve the dissolved oxygen content of the water body and promote the rapid purification of pollutants, the aeration of the micro-nano scale aeration disc in the ecological restoration systemThe amount of the additive is 0.1 to 0.4m
3The density of the micro-nano aeration disc in the natural water body is 0-1 per meter
2. The density is 0 to 1 piece/m
2Is the average number per square meter and is therefore not necessarily an integer but may also be a decimal number, e.g. 10m
2The natural water body is provided with 5 aeration disks, and the number of the aeration disks per square meter is 0.5.
The natural water body part can comprise riverways, ponds and ditches around rural residential areas. Before the step S1, the ecological restoration method may further include the steps of: and cleaning and remedying the natural water body. And (3) cleaning garbage, weeds and other objects around the natural water body, preferably, when the thickness of the bottom mud of the natural water body is more than 0.5m, dredging the bottom mud. Since the installation of the aeration apparatus is not firm due to the excessively thick sludge, the sludge is desilted before the installation of the aeration apparatus in step S3.
Before the step S1, if there is concentrated sewage drainage around the natural water body, an integrated treatment device may be used for concentrated pretreatment, and if there is dispersed sewage, no treatment is needed.
In the above step S1, the aeration device is placed at the bottom of the natural water body. The aeration device can be operated with water, and the bottom of a natural water body can be installed without lowering the water level; and a bottom aeration device and a fan are connected, and a submerged fan or a Roots fan is selected according to the natural water form. And the size of the micro-nano aeration disc and the size of the aeration holes on the aeration disc are adjusted, so that the diameter of pressureless micro bubbles (which cannot be increased) generated by the micro-nano aeration device is less than 0.25mm, the surface tension of the pressureless micro bubbles is less than that of water, the buoyancy is equivalent to that of water, and the contact surface of the pressureless micro bubbles and the water is basically not floated and is actively large. A large number of micro bubbles are formed at the position of water depth of about 600-1000mm and are dispersed to the periphery under the action of power, more than 1 hundred million micro bubbles with the average diameter less than 0.25mm exist in 1 cubic meter of water, and the dissolved oxygen rate is extremely high.
In the step S2, the biological streamer is a water treatment polymer biotechnology material, which provides an ideal attachment substrate for the growth of microorganisms, and in order to increase the attachment rate of microorganisms, it is preferable to use a specific surface area greater than 10000m
2/m
3Is in the form of a biological waveA belt. Because the biological streamer can operate with water, the biological streamer can be arranged at the bottom of a natural water body without lowering the water level. The biological streamer is fixed by adopting a stone anchor or a galvanized pipe, can be directly put on the water surface, and is convenient to operate. The top end of the installed biological streamer is 10-30 cm lower than the water surface, and flood discharge is not affected.
In the step S3, in order to improve the ecological restoration effect on the natural water body, the total area of the aquatic plants 30 preferably occupies 20 to 40% of the total area of the natural water body. The aquatic plants 30 are planted in the natural water body, and when the depth of the natural water body is greater than 1m, the water level of the natural water body is lowered before the aquatic plants 30 are planted, and the water level is restored after the aquatic plants 30 are planted. Wherein, after the water level is reduced, the aquatic plant 30 can be planted and the installation of the aeration system can be carried out at the same time of planting the aquatic plant 30, and then the water level is recovered.
In step S4, in order to more effectively increase the dissolved oxygen in the water and promote rapid purification of pollutants, the total area of the artificial floating island 40 preferably accounts for 5-10% of the total area of the natural water. The diameter of the artificial floating island 40 can be 33 cm, the height of the floating body is 6 cm, 9 floating bodies are arranged per square meter and are connected by adopting buckles, 1 planting basket is matched, and sponge strips or ceramsite are used as planting media or nutrition pot seedlings are directly used.
The present invention is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed.
Example 1
The ecological restoration method provided by the embodiment of the invention utilizes the ecological restoration system shown in fig. 2 to perform ecological restoration on the pond around the rural residential area, and comprises the following steps:
1) and (4) cleaning and renovating the original pool. Cleaning garbage, weeds and other objects around the pond, dredging the bottom mud when the thickness of the bottom mud of the pond is more than 0.3m, and not dredging when the thickness of the bottom mud is less than 0.3 m;
2) if the periphery of the pond has concentrated discharged sewage, the integrated treatment equipment is adopted for concentrated pretreatment, and if the periphery of the pond has dispersed discharged sewage, the treatment is not needed;
3) an aeration device is installed and the oxygen is reoxygenated manually. And (4) placing the aeration device at the bottom of the pond. The aeration device comprises a micro-nano aeration disc 110 and a fan 120, the micro-nano aeration disc 110 is communicated with the fan 120 through an air pipe 130, the fan 120 adopts a submerged fan, the diameter of the micro-nano aeration disc 110 is 60-80 cm, the diameter of an aeration hole in the micro-nano aeration disc 110 is 0.03-0.06 mm, and the aeration amount of the micro-nano aeration disc is 0.1-0.4 m
3The density of the micro-nano aeration disc in the pool is 0-1 per meter
2；
4) Biological streamers 20 are installed to provide biological carriers. The specific surface area of the biological streamer 20 is 10000m
2/m
3Installing a biological streamer 20 at the bottom of the pool, wherein the biological streamer 20 is fixed by adopting a stone anchor and is directly thrown on the water surface, and the top end of the installed biological streamer 20 is 5cm lower than the water surface;
5) and (3) planting the aquatic plants 30 to perfect the water plant community. The aquatic plant 30 comprises emergent aquatic plant, emergent aquatic plant and submerged plant, wherein the emergent aquatic plant comprises reed, cattail, loosestrife and calamus, the buoyant plant comprises water lily, duckweed and grass gathering, and the submerged plant comprises golden carp algae, watermifoil and eel grass;
6) and the artificial floating island 40 is installed to beautify the environment. The area of the artificial floating island 40 is 5% of the total water surface area, the diameter of the artificial floating island 40 is 33 cm, the height of the floating body is 6 cm, 9 floating bodies are arranged per square, the artificial floating island is connected through buckles, 1 planting basket is matched, and sponge strips are used as planting media.
Example 2
This example differs from example 1 in that:
the specific surface area of the biological streamer 20 is 11000m
2/m
3The biological streamer 20 is arranged at the bottom of the pool, and the top end of the biological streamer 20 is 10cm lower than the water surface after the biological streamer is arranged.
Example 3
This example differs from example 1 in that:
the specific surface area of the biological streamer 20 is 10500m
2/m
3The biological streamer 20 is arranged at the bottom of the pool, and the top end of the biological streamer 20 is 30cm lower than the water surface after the biological streamer is arranged.
Comparative example 1
The water quality of the same pond without the above-described ecological restoration method (shown as comparative example in the following table) and the water quality after one month restoration through the above-described examples 1 to 3 were respectively tested, and the results are shown in the following table.
| The kind of contaminant | Comparative example | Example 1 | Removal rate | Example 2 | Example 3 |
| CODcr(mg/L) | 69 | 28 | 57.9％ | 25 | 29 |
| BOD 5(mg/L) | 23.2 | 6.1 | 73.7％ | 5.8 | 7.2 |
| Transparency (m) | 0.20 | 0.4 | —— | 0.43 | 0.45 |
| DO(mg/L) | 2.14 | 7.1 | —— | 7.2 | 7.1 |
| SS(mg/L) | 35 | 11 | 68.57％ | 10 | 15 |
| Ammonia nitrogen (mg/L) | 8.84 | 1.5 | 83.03％ | 1.5 | 2.0 |
| Total phosphorus (mg/L) | 1.14 | 0.2 | 82.46％ | 0.15 | 0.2 |
According to the results, the method of the utility model is used for ecological restoration of natural water body, and CODcr and BOD in the natural water body are effectively removed
5SS, ammonia nitrogen and total phosphorus, and simultaneously, improves waterBulk transparency.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
1. the utility model discloses an aeration equipment among the above-mentioned ecological remediation system includes micro-nano level aeration dish and fan, through installing the bottom at the nature water with above-mentioned micro-nano level aeration dish to utilize the fan with micro-nano level aeration dish intercommunication to carry gas in the micro-nano level aeration dish, carry out the artificial biology through the aeration to the nature water and reinforce, thereby make the nature water resume self-purification function.
2. The micro-nano grade aeration dish of adoption replaces the aeration pipe among the prior art, need not to reduce the water level when can installing, only needs pass through the trachea with it and fan and is connected the back, and the manual work is transferred to the bottom from natural water surface, then through starting the fan, can realize this aeration equipment's the operation of taking water promptly, makes above-mentioned ecological remediation system implement more simply, high-efficient.
3. The utility model discloses above-mentioned ecological remediation method of natural water utilizes aeration equipment and the biological streamer combination engineering measure that can take the water operation to carry out artificial biological strengthening, plants aquatic plant and increases the chinampa, through multiple process combined action such as the absorption of biodegradation, plant, absorption, finally establishes stable natural water ecological structure, makes the natural water resume self-purification function.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An ecological restoration system of natural water body, characterized in that, includes aeration equipment, aeration equipment includes:
the micro-nano aeration disc is arranged at the bottom of the natural water body and is used for generating micro-scale and/or nano-scale bubbles in the natural water body;
a fan which is communicated with the micro-nano aeration disc,
the ecological restoration system further comprises a biological streamer, and the biological streamer is arranged at the bottom of the natural water body.
2. The ecological restoration system according to claim 1, wherein the micro-nano scale aeration disc has a diameter of 60-80 cm.
3. The ecological restoration system according to claim 2, wherein the diameter of the aeration holes on the micro-nano aeration disc is 0.03-0.06 mm.
4. The ecological restoration system according to claim 1, wherein the blower is a submerged blower or a roots blower.
5. The ecological remediation system of claim 1 wherein the specific surface area of the biological streamers is greater than 10000m
2/m
3。
6. The ecological remediation system of claim 1 further comprising a fixture for securing the biological streamers, the fixture being a stone anchor or a galvanized-through pipe.
7. The ecological remediation system of claim 6 wherein the depth of the biological streamers in the natural body of water is 10-30 cm.
8. The ecological restoration system according to any one of claims 1 to 4, further comprising aquatic plants planted in the natural water body, wherein the total area of the aquatic plants accounts for 20-40% of the total area of the natural water body.
9. The ecological restoration system according to claim 8, wherein the aquatic plants include any one or more of emergent aquatic plants, floating plants and submerged plants.
10. The ecological remediation system of claim 9 wherein the emergent aquatic plants include any one or more of reed, cattail, loosestrife and calamus, the buoyant plants include any one or more of water lily, duckweed and grass, and the submerged plants include any one or more of hornworts, watermifos and eel grasses.
11. The ecological restoration system according to any one of claims 1 to 4, further comprising artificial floating islands, wherein the total area of the artificial floating islands accounts for 5-10% of the total area of the natural water body.
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| CN109592798A (en) * | 2019-02-14 | 2019-04-09 | 中国恩菲工程技术有限公司 | The Ecosystem restoration system and ecological restoring method of natural water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592798A (en) * | 2019-02-14 | 2019-04-09 | 中国恩菲工程技术有限公司 | The Ecosystem restoration system and ecological restoring method of natural water |
| CN109592798B (en) * | 2019-02-14 | 2023-12-15 | 中国恩菲工程技术有限公司 | Ecological restoration system and ecological restoration method for natural water body |
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