Revetment-type water treatment unit, ecological water treatment system, and treatment method

Abstract

The application discloses a kind of revetment type water treatment units, ecological water treatment system and processing method, the revetment type water treatment unit, its arrangement is in the specified position of target water body shore side, including: circulating water tank, each first water purification tank top is communicated, for the outside water inlet into each first water purification tank;Multiple first water purification tank, for containing multilayer water purification gravel, it can filter purifying water quality, its effluent is transported to target water body;Wherein, each layer water purification gravel is different in kind.The application can realize sewage system type purification treatment, guarantee water quality and improve purification efficiency, system combination is flexible, strong applicability, while realizing purifying water quality, the application can be integrated into use environment and beautify use environment.

Description

Technical Field

[0001] This invention relates to the field of environmental water treatment, and in particular to a revetment-type water treatment unit, an ecological water treatment system having the revetment-type water treatment unit, and an ecological water treatment method. Background Technology

[0002] Eutrophication refers to water pollution caused by excessive levels of nutrients such as nitrogen and phosphorus in a water body.

[0003] In existing technologies, ecological engineering principles are used to degrade COD, nitrogen, and phosphorus in eutrophic water bodies. Specifically, this involves using aquatic plants as the main organisms, employing soilless cultivation techniques, and utilizing polymer materials as carriers and substrates. By leveraging interspecies symbiotic relationships and fully utilizing the spatial and nutrient niches of the water body, a highly efficient artificial ecosystem is established to reduce the pollution load in the water.

[0004] For example, Chinese patent CN201520997281.2, entitled "Irrigation-Type Planting System," provides an irrigation-type planting system including a water storage tank and a water pump. The system further includes a water storage container and a planting container mounted on the water storage container. The planting container has a water inlet, and the water storage container has a drain hole. The drain hole is connected to the water inlet of the water storage tank, the water inlet is connected to the water outlet of the water pump, and the water inlet of the water pump is connected to the water outlet of the water storage tank. However, this solution has limited purification capacity, especially for large-area water bodies, and there is room for improvement. Summary of the Invention

[0005] The summary of this invention introduces a series of simplified concepts, all of which are simplifications of existing technologies in the field, and will be further explained in detail in the detailed description section. This summary is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0006] The technical problem to be solved by the present invention is to provide a revetment-type water treatment unit that can fully purify eutrophic water bodies, beautify the environment, reduce manufacturing costs, and save space occupied by the purification system.

[0007] Furthermore, an ecological water treatment system capable of fully purifying eutrophic water bodies, especially suitable for large-area water bodies, which beautifies the environment while reducing manufacturing costs and saving space occupied by the purification system, and an ecological water treatment method.

[0008] To address the aforementioned technical problems, this invention provides a revetment-type water treatment unit, which is arranged at a designated location on the bank of a target water body. The revetment-type water treatment unit includes:

[0009] A circulating water tank is connected to the top of each first water purification tank, allowing external water to enter each first water purification tank; the external water may be water treated by other water purification systems, sewage treatment equipment effluent, rainwater, etc.

[0010] Multiple primary water purification tanks are used to hold multiple layers of water purification sand and gravel, which can filter and purify water quality, and deliver the effluent to the target water body.

[0011] The types of sand and gravel used for water purification differ in each layer.

[0012] Preferably, the further improved revetment-type water treatment unit also includes:

[0013] The first aquatic plant cultivation and water purification layer is arranged in the circulating water tank, which can cultivate aquatic plants while filtering and purifying water quality; the first aquatic plant cultivation and water purification layer can be made of coarse sand; or, it can be composed of at least one layer of coarse sand to form a multi-layer water purification sand and gravel structure, which provides filtration function while cultivating aquatic plants.

[0014] The first aquatic plant is planted in the first aquatic plant cultivation water purification layer.

[0015] Preferably, in a further improvement of the revetment-type water treatment unit, the first aquatic plant includes at least one water-purifying aquatic plant, that is, at least one existing plant known to have the ability to purify eutrophic water bodies. Optionally, other plants that do not have the ability to purify eutrophic water bodies, such as landscape aquatic plants, may also be included. The specific types and quantities can be selected according to the size of the circulating water tank.

[0016] Preferably, the revetment-type water treatment unit is further improved in that the designated location is in the wall of the target water body, that is, the revetment-type water treatment unit is installed in the wall of the target water body.

[0017] Alternatively, a pre-buried or pre-installed location designated on the bank of the target water body. That is, pre-buried on the bank of the target water body, or pre-installed on the side wall of the enclosure wall on the bank of the target water body, close to the center of the target water body.

[0018] Preferably, in a further improvement to the aforementioned revetment-type water treatment unit, the first water purification tank includes:

[0019] Tank body, used to hold multiple layers of clean water sand and gravel;

[0020] The types of sand and gravel used for water purification differ in each layer.

[0021] Preferably, the revetment-type water treatment unit is further improved in that the multi-layer water purification sand and gravel in the tank includes, from top to bottom: coarse sand, gravel, and ceramsite.

[0022] Preferably, the further improved revetment-type water treatment unit also includes:

[0023] The first delivery pipeline connects to the outlet of each first water purification tank, allowing the water from each first water purification tank to be collected and delivered to the target water body.

[0024] The first booster device is located at the outlet of the first delivery pipeline.

[0025] Preferably, the revetment-type water treatment unit is installed above the target water body, and the filtered water is delivered to the target water body by gravity. When current installation conditions restrict the installation position of the revetment-type water treatment unit from being above the target water body, the filtered water from the revetment-type water treatment unit can be delivered to any required location by setting up a first delivery pipeline and a first pressurization device.

[0026] To solve the above-mentioned technical problems, the present invention provides an ecological water treatment system having any of the above-mentioned revetment-type water treatment units, wherein the target water body can independently form a self-circulating filtration system.

[0027] Preferably, in a further improvement of the ecological water treatment system, the target water body includes:

[0028] A water storage tank is used to receive the effluent from the revetment-type water treatment unit and / or external water; the external water may be purified water treated by other water purification systems, effluent from sewage treatment equipment, rainwater, etc.

[0029] The second aquatic plant planting water purification layer is laid at the bottom of the reservoir. It can cultivate aquatic plants while filtering and purifying the water. The second aquatic plant planting water purification layer can be made of coarse sand; or, it can be composed of at least one layer of coarse sand to form a multi-layer water purification sand and gravel structure, which provides filtration function while cultivating aquatic plants.

[0030] Multiple secondary water purification tanks are buried at the bottom of the water storage tank, and their upper parts are covered with a second aquatic plant water purification layer, which is used to hold multiple layers of water purification sand and gravel. Their effluent is transported back to the water storage tank to form a self-circulating filtration.

[0031] The second aquatic plant is planted in the second aquatic plant cultivation water purification layer.

[0032] Preferably, in a further improvement of the ecological water treatment system, the second aquatic plant includes at least one water-purifying aquatic plant, that is, at least one existing plant known to have the ability to purify eutrophic water bodies. Optionally, it may also include other plants that do not have the ability to purify eutrophic water bodies, such as landscape aquatic plants. The specific types and quantities may be the same as or different from the first aquatic plant.

[0033] Preferably, in a further improvement to the ecological water treatment system, the second water purification tank includes:

[0034] The second tank is used to hold multiple layers of purified water sand and gravel.

[0035] The types of sand and gravel used for water purification differ in each layer.

[0036] Preferably, the diameter of the second water purification tank is larger than that of the first water purification tank. It should be noted that the larger the diameter of the second water purification tank, the greater the filtration capacity, but the manufacturing cost will be relatively higher. In order to save costs, other water purification systems can be selected to use the replaced tank equipment and line it with water purification sand.

[0037] Preferably, in a further improvement to the ecological water treatment system, the multi-layered water purification sand and gravel in the second tank comprises, from top to bottom: coarse sand, gravel, and ceramsite. The number and type of water purification sand and gravel layers laid in the second water purification tank can be the same as or different from those in the first water purification pipe.

[0038] Preferably, the ecological water treatment system is further improved by including:

[0039] The delivery pipeline connects to the outlet of each of the second water purification tanks, and collects the water from each of the second water purification tanks and inputs it into the regulating tank.

[0040] The first booster device pumps clean water into the storage tank according to the water level in the regulating tank.

[0041] The self-circulation filtration effect of the ecological water treatment system of this invention, which relies solely on the return of the water from the second water purification tank to the storage tank, is not ideal. Adding a first pressurization device can collect the water from the second water purification tank and input it into the regulating tank, thereby creating a water level difference and a pumping pressure difference, which improves the self-circulation efficiency of the target water body.

[0042] Preferably, the ecological water treatment system is further improved by including:

[0043] The second booster device pumps clean water into the landscape features based on the water level in the regulating tank.

[0044] Landscape features, placed in a reservoir, are used to provide a water level difference to transport clean water back to the reservoir.

[0045] The water level difference provided by the landscape features can increase the oxygen content of the reservoir by agitating the water flow when it flows back into the reservoir, and can also break down particulate matter by agitating the water flow when it flows back into the reservoir.

[0046] Preferably, the ecological water treatment system is further improved, and the landscape features include: multiple fountain structures and / or artificial hills with waterfall channels.

[0047] Preferably, in a further improvement to the ecological water treatment system, the fountain structure includes:

[0048] The fountain barrel is inverted and buried at the bottom of the water storage tank. It can prevent sand and gravel from entering the barrel. Multiple water-permeable holes are formed on the side wall near the opening of the fountain barrel. The fountain pipe extends out of the bottom of the fountain barrel and out of the water surface of the water storage tank.

[0049] The second pressurization device is located at the fountain barrel opening and draws water into the fountain pipe.

[0050] To solve the above-mentioned technical problems, the present invention provides an ecological water treatment method, comprising the following steps:

[0051] S1, the effluent to be treated is filtered through the first water purification device located at a designated position on the bank of the target water body and then transported to the water storage tank of the target water body.

[0052] The preferred water purification equipment is the aforementioned revetment-type water treatment unit;

[0053] S2, the water stored in the reservoir is filtered independently through a second water purification device;

[0054] The preferred second water purification equipment consists of a second water purification tank, a second aquatic plant, and landscape elements found in the target water body.

[0055] The working principle of the revetment-type water treatment unit provided by the present invention is as follows: After the external water enters the circulating water tank, it enters a plurality of first water purification tanks arranged below the circulating water tank. The water purified by the first water purification tank flows into the target water body by gravity, or it can be collected through the conveying pipeline and transported to the target water body through the pressurization equipment.

[0056] It should be noted that if the target water body has a wall, a revetment-type water treatment unit can be installed within the wall.

[0057] If there is no enclosure wall for the target water body, it can be pre-buried on the bank of the target water body or pre-installed on the side wall of the enclosure wall near the center of the target water body.

[0058] In a preferred embodiment of the revetment-type water treatment unit of the present invention, a first aquatic plant planting and water purification layer is laid in the circulating water tank, which provides filtration and purification functions while planting and cultivating aquatic plants with water purification capabilities.

[0059] Based on the above working principle, the revetment-type water treatment unit provided by the present invention can achieve at least the following technical effects;

[0060] 1. External water flows through the first water purification tank, which can achieve systematic purification treatment of eutrophic water bodies, ensuring water quality and improving purification efficiency.

[0061] 2. The first water purification tank of the present invention can be recycled from the fiberglass tank of a waste water purifier, turning waste into treasure and reducing costs.

[0062] 3. The first water purification tank of the present invention can be installed in the wall surrounding the target water body. The equipment is installed in a concealed manner and does not take up space, which is conducive to improving the system integration.

[0063] 4. In a preferred embodiment of the present invention, the external water flows through a sequence of first aquatic plants, a first aquatic plant planting and purification layer, and a first purification tank. By combining the water purification equipment (first aquatic plant planting and purification layer and first purification tank) with the aquatic plants, multiple filtration stages can be formed, thus reducing the requirements for the water purification capacity of the aquatic plants. Therefore, in addition to planting aquatic plants with water purification capabilities, the circulating water tank of the revetment-type water treatment unit of the present invention can also be planted with landscape plants to beautify the water purification pool. While purifying the water, the present invention integrates into and beautifies the usage environment.

[0064] The working principle of the ecological water treatment system provided by this invention:

[0065] After the effluent from the revetment-type water treatment unit enters the storage tank, the water in the storage tank is filtered through a second aquatic plant, a second aquatic plant-planted water purification layer, and a second water purification tank before flowing into the equalization tank (which can be achieved through water level difference and / or booster equipment). When the water level in the equalization tank is too high, the booster equipment (water pump) can pump water from the equalization tank into the storage tank, creating a water level difference, and then the water in the storage tank will flow back into the equalization tank, thus forming a self-circulating filtration system for the target water body. When the water level in the equalization tank is too low, the booster equipment (water pump) can pump the effluent collected in the second water purification tank into the equalization tank through the pressure difference provided by the booster equipment, thus forming a self-circulating filtration system for the target water body.

[0066] In a preferred embodiment of the ecological water treatment system of the present invention, landscape features (such as artificial mountains, waterfalls, and fountains) are added to the water storage tank. A water level difference is formed by a pressurization device. After the water in the water storage tank is pumped to the landscape features, the water flow back to the water storage tank can increase the oxygen content of the water storage tank, which is convenient for raising ornamental fish in the water storage tank. The water flow back to the water storage tank can also crush particulate matter.

[0067] Based on the above working principle, the ecological water treatment system provided by the present invention can achieve at least the following technical effects;

[0068] 1. External water flows through at least the first water purification tank, the second aquatic plant, the second aquatic plant planting water purification layer, and the second water purification tank, which can achieve systematic purification treatment of eutrophic water bodies, ensure water quality, and improve purification efficiency.

[0069] 2. The first and second water purification tanks of the present invention can be recycled from the fiberglass tanks of old water purifiers, turning waste into treasure and reducing costs.

[0070] 3. The first water purification tank of the present invention can be installed in the wall surrounding the target water body, and the second water purification tank of the present invention can be buried at the bottom of the water storage tank. The equipment is installed in a concealed manner and does not take up space, which is conducive to improving the system integration.

[0071] 4. In a preferred embodiment of the present invention, external water flows through a first aquatic plant, a first aquatic plant planting and purification layer, a first purification tank, a second aquatic plant, a second aquatic plant planting and purification layer, and a second purification tank. Through the combined use of the water purification equipment (first aquatic plant planting and purification layer, first purification tank, second aquatic plant planting and purification layer, and second purification tank) and aquatic plants, multiple filtration stages are formed, thus reducing the requirements for the water purification capacity of the aquatic plants. Therefore, in addition to planting aquatic plants with water purification capabilities, the circulating water tank and storage pond of the ecological water treatment system of the present invention can also be planted with landscape plants to beautify the water purification pond. While purifying the water, the present invention integrates into and beautifies the usage environment. Attached Figure Description

[0072] The accompanying drawings are intended to illustrate the general characteristics of the methods, structures, and / or materials used in specific exemplary embodiments of the invention, supplementing the description in the specification. However, the drawings are schematic diagrams not drawn to scale and may not accurately reflect the precise structural or performance characteristics of any of the given embodiments. The drawings should not be construed as limiting or restricting the range of numerical values ​​or properties covered by exemplary embodiments of the invention. The invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:

[0073] Figure 1 This is a schematic diagram of a preferred embodiment of the revetment-type water treatment unit of the present invention.

[0074] Figure 2 This is a schematic diagram of a preferred embodiment of the first water purification tank of the present invention.

[0075] Figure 3 This is a schematic diagram of the ecological water treatment system of the present invention.

[0076] Figure 4 This is a partial schematic diagram of the ecological water treatment system of the present invention.

[0077] Figure 5 This is a schematic diagram of a preferred embodiment of the fountain structure of the present invention.

[0078] Explanation of reference numerals in the attached figures

[0079] Target water body 1

[0080] Circulating water tank 2

[0081] First water purification tank 3

[0082] Tank 4

[0083] Coarse sand 5

[0084] Guazishi 6

[0085] Ceramsite 7

[0086] 8 reservoirs

[0087] Second aquatic plant cultivation water purification layer 9

[0088] Second water purification tank 10

[0089] Second Aquatic Plants 11

[0090] Delivery pipeline 12

[0091] Equalization tank 13

[0092] First booster device 14

[0093] Second sub-pressurization unit 15

[0094] Fountain Structure 16

[0095] Second sub-pressurization device 2.17

[0096] Artificial rockery 18

[0097] Fountain Bucket 19

[0098] 20 permeable holes

[0099] Fountain pipe 21. Detailed Implementation

[0100] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can fully understand other advantages and technical effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through different specific embodiments, and various details in this specification can also be applied based on different viewpoints, with various modifications or changes made without departing from the overall design concept of the invention. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. The following exemplary embodiments of the present invention can be implemented in many different forms and should not be construed as being limited to the specific embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present invention is thorough and complete, and that the technical solutions of these exemplary embodiments are fully conveyed to those skilled in the art. It should be understood that when an element is referred to as "connected" or "combined" to another element, the element can be directly connected or combined to the other element, or there may be intermediate elements. The difference is that when an element is referred to as "directly connected" or "directly combined" to another element, there are no intermediate elements. Throughout the drawings, the same reference numerals always denote the same elements. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0101] First embodiment;

[0102] refer to Figure 1 As shown, this invention provides a revetment-type water treatment unit, which is arranged at a designated location on the bank of a target water body 1. The designated location is either a retaining wall on the bank of the target water body, or a pre-buried or pre-installed location on the bank of the target water body. In this embodiment, the target water body 1 has a retaining wall, and the revetment-type water treatment unit is installed within the retaining wall of the target water body 1. The revetment-type water treatment unit includes:

[0103] The circulating water tank 2 is connected to the top of each of the first water purification tanks 3, allowing external water to enter each of the first water purification tanks 3;

[0104] Multiple first water purification tanks 3 are used to hold multiple layers of water purification sand and gravel, which can filter and purify water quality, and deliver the water to the target water body.

[0105] The types of sand and gravel used for water purification differ in each layer.

[0106] refer to Figure 2 As shown, the present invention provides a preferred embodiment of a first water purification tank, the first water purification tank comprising:

[0107] The multi-layered water purification sand and gravel in tank 4 includes, from top to bottom: coarse sand 5, gravel 6, and ceramsite 7.

[0108] Second embodiment;

[0109] This invention provides a revetment-type water treatment unit, which is a further improvement on the first embodiment described above. The identical parts will not be repeated here, and it also includes:

[0110] The first aquatic plant cultivation and water purification layer is arranged in the circulating water tank, which can cultivate aquatic plants and filter and purify water quality at the same time; the first aquatic plant cultivation and water purification layer can be selected with at least one layer of coarse sand.

[0111] A first aquatic plant, which is planted in a first aquatic plant cultivation water purification layer, wherein the first aquatic plant includes at least one water purification aquatic plant.

[0112] Third embodiment;

[0113] This invention provides an ecological water treatment system having the revetment-type water treatment unit described in either the first or second embodiment, wherein the target water body can independently form a self-circulating filtration system. Figure 3 and Figure 4 As shown, the preferred target water body includes:

[0114] Water storage tank 8 is used to receive the effluent from the revetment-type water treatment unit and / or external water inflow;

[0115] The second aquatic plant planting and water purification layer 9 is laid at the bottom of the water storage tank 8, which can nurture aquatic plants while filtering and purifying the water quality.

[0116] Multiple second water purification tanks 10 are buried at the bottom of the water storage tank 8, and their upper parts are covered with a second aquatic plant planting water purification layer 9, which is used to hold multiple layers of water purification sand and gravel, and the water output is transported back to the water storage tank; the water output from the second water purification tank 10 can slowly seep back into the water storage tank 8, or it can be collected through pipelines and pumped back into the water storage tank 8; this embodiment is provided with a regulating water tank 13.

[0117] The conveying pipeline 12 is connected to the outlet of each of the second water purification tanks 10, and collects the water from each of the second water purification tanks 10 and inputs it into the regulating tank 13.

[0118] The first booster device 14 pumps clean water into the water storage tank 8 according to the water level of the regulating tank 13.

[0119] A second aquatic plant 11 is planted in a second aquatic plant cultivation water purification layer 9, wherein the second aquatic plant includes at least one water purification aquatic plant.

[0120] refer to Figure 2 As shown, the present invention provides a preferred embodiment of a second water purification tank. The second water purification tank has the same structure as the first water purification tank described above, but the size is different. The second water purification tank is buried at the bottom of the water storage tank 8, so the size can be very large. The second water purification tank includes: the second water purification tank includes: multiple layers of water purification sand and gravel in the second tank body, from top to bottom including: coarse sand, gravel and ceramsite.

[0121] Fourth embodiment;

[0122] This invention provides an ecological water treatment system, which is a further improvement on the third embodiment described above. The identical parts will not be repeated here, and it also includes:

[0123] The second pressurization device pumps clean water into the landscape according to the water level of the regulating tank 13;

[0124] Landscape features, placed in a reservoir, are used to provide a water level difference to transport clean water back to the reservoir.

[0125] In this embodiment, the arrangement of the second pressurizing device and the landscape features provides the following three operating conditions:

[0126] First operating condition;

[0127] The second sub-pressurization device 15 draws clean water into the fountain pipe 16 according to the water level in the regulating pool.

[0128] Multiple fountain pipes 16 are arranged between each of the second tanks, and their clean water is sprayed into the water storage tank 8.

[0129] The second operating condition;

[0130] The second sub-pressurization device 17 pumps clean water up the artificial mountain 18 and into the waterfall channel according to the water level of the regulating pool 8.

[0131] Artificial rockery 18 is arranged in reservoir 8, forming a waterfall channel, through which clean water flows into reservoir 8.

[0132] The third operating condition;

[0133] The second sub-pressurization device 15 draws clean water into the fountain pipe 16 according to the water level in the regulating pool.

[0134] Multiple fountain pipes 16 are arranged between each of the second tanks, and their clean water is sprayed into the water storage tank 8.

[0135] The second sub-pressurization device 17 pumps clean water up the artificial mountain 18 and into the waterfall channel according to the water level of the regulating pool 8.

[0136] Artificial rockery 18 is arranged in reservoir 8, forming a waterfall channel, through which clean water flows into reservoir 8.

[0137] For a preferred embodiment of fountain structure 16, please refer to Figure 5 As shown, it includes:

[0138] The fountain barrel 19 is inverted and buried at the bottom of the water storage tank (the barrel opening is downward and the barrel bottom is upward). It can prevent sand and gravel from entering the barrel. Multiple water-permeable holes 20 are formed on the side wall near the opening of the fountain barrel. The fountain pipe 21 extends out of the bottom of the fountain barrel 19 and out of the liquid surface of the water storage tank 8.

[0139] The second sub-pressurization device 17 is located at the bottom of the fountain barrel 19 and draws water into the fountain pipe 21.

[0140] Fifth embodiment;

[0141] This invention provides an ecological water treatment method, comprising the following steps:

[0142] S1, the effluent to be treated is filtered through the first water purification device located at a designated position on the bank of the target water body and then transported to the water storage tank of the target water body.

[0143] The first water purification equipment can adopt the revetment-type water treatment unit provided in the first or second embodiment above;

[0144] S2 allows for independent self-circulating filtration of the water stored in the reservoir through a second water purification device.

[0145] The second water purification device may employ the second aquatic plant planting water purification layer, second water purification tank, second pressurization device, and landscape elements provided in the third or fourth embodiment above.

[0146] Unless otherwise defined, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It will also be understood that, unless expressly defined herein, terms such as those defined in a general dictionary shall be interpreted as having the meaning consistent with their meaning in the relevant field context, and not as having an idealized or overly formal meaning.

[0147] The present invention has been described in detail above through specific embodiments and examples, but these are not intended to limit the invention. Many modifications and improvements can be made by those skilled in the art without departing from the principles of the invention, and these should also be considered within the scope of protection of the present invention.

Claims

1. An ecological water treatment system comprising a revetment-type water treatment unit, arranged at a designated location on the bank of a target water body, characterized in that, The revetment-type water treatment unit includes: A circulating water tank is connected to the top of each first water purification tank, allowing external water to enter each first water purification tank. Multiple primary water purification tanks are used to hold multiple layers of water purification sand and gravel, which can filter and purify water quality and deliver the water to the target water body. The first water purification tank contains multiple layers of water purification sand and gravel, which, from top to bottom, include: coarse sand, gravel, and ceramsite. The target water body can independently form a self-circulating filtration system. The target water body includes: A water storage tank is used to receive the effluent from the revetment-type water treatment unit and the incoming water from outside. The second aquatic plant planting and water purification layer is laid at the bottom of the reservoir, which can cultivate aquatic plants while filtering and purifying the water. Multiple secondary water purification tanks are buried at the bottom of the water storage tank, and the upper part is covered with a second aquatic plant water purification layer to hold multiple layers of water purification sand and gravel. The effluent is transported back to the water storage tank. The second aquatic plant is planted in the second aquatic plant water purification layer; The delivery pipeline connects to the outlet of each second water purification tank, and collects the water from each second water purification tank and inputs it into the regulating tank. The first booster device pumps clean water from the regulating tank into the storage tank according to the water level in the regulating tank. The second pressurization device pumps clean water from the regulating pool into the landscape features based on the water level in the regulating pool. Landscape features are placed in the reservoir to provide a water level difference and transport clean water back to the reservoir. The landscape features include: multiple fountain structures and / or artificial hills with waterfall channels; The first aquatic plant planting and water purification layer is arranged in the circulating water tank, which can nurture aquatic plants while filtering and purifying the water. The first aquatic plant is planted in the first aquatic plant cultivation water purification layer.

2. The ecological water treatment system as described in claim 1, characterized in that: The first aquatic plant includes at least one water-purifying aquatic plant.

3. The ecological water treatment system as described in claim 1, characterized in that: The designated location is the wall along the shore of the target body of water; Alternatively, a pre-buried or pre-installed location designated on the shore of the target water body.

4. The ecological water treatment system as described in claim 1, characterized in that, The second aquatic plant includes at least one water-purifying aquatic plant.

5. The ecological water treatment system as described in claim 1, characterized in that, The second water purification tank includes: The second tank is used to hold multiple layers of purified water sand and gravel. The types of sand and gravel used for water purification differ in each layer.

6. The ecological water treatment system as described in claim 5, characterized in that, The second tank contains multiple layers of water purification sand and gravel, from top to bottom: coarse sand, gravel, and ceramsite.

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