Ecological wetland system

Abstract

The utility model discloses an ecological wetland system which comprises a waterway communication system, a land communication system, a solar water lifting system and an aquatic landscape vegetation cultivation system, and the waterway communication system comprises a plurality of grass ditches, underground pipelines, lakes, ecological grass planting ditches and wetlands; the land communication system comprises stone piers, an arch bridge and a plane trestle; the solar water lifting system comprises a water lifting device and a solar photovoltaic water pump, a water inlet of the solar photovoltaic water pump is communicated with the grass ditch, the river or the reservoir, a water outlet of the solar photovoltaic water pump is communicated with a water inlet of the water lifting device, and a water outlet of the water lifting device is communicated with the ecological grass planting ditch; the aquatic landscape vegetation cultivation system comprises aquatic plants and wetland flowers and plants, the aquatic plants are planted on the wetland water surface, and the wetland flowers and plants are planted on the wetland bank slope land. The ecological wetland system disclosed by the utility model has the advantages of simple structure, reasonable layout, electric energy conservation, promotion of harmony of people and water, symbiosis of people and nature and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of ecological wetlands, in particular to an ecological wetland system. Background Art

[0002] The shortage of water resources has become an urgent problem that restricts ecological environment construction and economic sustainable development. Especially in years of consecutive droughts, the water supply in ecological wetlands, ponds, puddles, swamps, etc. is insufficient, affecting the local water ecological environment and the drinking water needs of wild birds and small animals, and seriously disrupting the natural ecological balance.

[0003] In order to achieve balanced distribution of wetland water resources, improve the water guarantee rate, and provide appropriate environment, temperature and humidity, it is necessary to design an ecological wetland system. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the above-mentioned background technology and to provide an ecological wetland system which has the advantages of simple structure, reasonable layout, saving electric power and energy, promoting harmony between man and water, and symbiosis between man and nature.

[0005] To achieve the above-mentioned purpose, the utility model provides an ecological wetland system, including a waterway connection system, a land connection system, a solar water pumping system and a system for cultivating aquatic landscape vegetation; the waterway connection system includes a plurality of grass ditches, underground pipelines, lakes, ecological grass-planting ditches and wetlands, and the grass ditches, lakes and wetlands are connected in series or in parallel with each other through underground pipelines and / or ecological grass-planting ditches;

[0006] The land connection system includes stone piers, arch bridges and plane trestle bridges, which are arranged between the grass ditch, lake and wetland;

[0007] The solar water pumping system includes a water pumping device and a solar photovoltaic water pump, wherein the water inlet of the solar photovoltaic water pump is connected to a grass ditch, a river or a reservoir, the water outlet of the solar photovoltaic water pump is connected to the water inlet of the water pumping device, and the water outlet of the water pumping device is connected to an ecological grass-planting ditch;

[0008] The system for cultivating aquatic landscape vegetation includes aquatic plants and wetland flowers and plants. The aquatic plants are planted on the water surface of the wetland, and the wetland flowers and plants are planted on the land of the wetland bank slope.

[0009] As a preferred embodiment, a gate valve is provided on the underground pipeline and / or the ecological grass-planting ditch.

[0010] As a preferred embodiment, the solar water pumping system further comprises a solar panel, and the solar panel is electrically connected to the solar photovoltaic water pump via an inverter.

[0011] As a preferred embodiment, the water lifting device and the solar photovoltaic water pump are arranged in a water-deficient area of ​​a wetland highland slope, and the height difference between the wetland highland slope and the land is ≥5 meters.

[0012] As a preferred embodiment, a filter groove is provided at the water outlet of the grass ditch and / or ecological grass planting ditch, and the filter groove is filled with medium-coarse sand, the particle size of the medium-coarse sand is 0.5-01.5 mm, and the filling thickness is ≥30 cm.

[0013] As a preferred embodiment, the aquatic plants are selected from lotus, water plantain, reed, hornwort, Vallisneria or water chestnut.

[0014] As a preferred embodiment, the wetland flowers and plants are crape myrtle, canna or rose.

[0015] As a preferred embodiment, suburban buildings are arranged on both sides of the river.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] Firstly, the ecological wetland system of the utility model has a simple structure, is easy to implement and has low cost. It connects multiple wetland water systems such as surface lakes, reservoirs, rivers, channels, ponds, pools, etc., solves the role and function of mutual supplementation of water sources in droughts or storage of flood water in inland waterlogging, effectively realizes the circulation and mutual supplementation of water bodies, and achieves the purpose of spatial balance of water resources and promoting benefits and eliminating harm.

[0018] Secondly, the ecological wetland system of the utility model improves the water resource carrying and purification capacity of the region. Low ecological Ophiopogon japonicus turf is planted on the slopes and bottom of the grass-planting ditch to achieve the purification function of the water flow. The pollutants in the water are filtered, adsorbed, intercepted, transformed and purified through the leaves and roots of the turf, forming an ecological purification system to ensure that the water quality meets the requirements of good water quality of surface water environment Class IV and above.

[0019] Thirdly, the ecological wetland system of the utility model improves the ecological environment, regulates water resources in time, and realizes timely control and regulation according to actual needs during drought and flood seasons. In the process of connecting the urban wetland water system, by regulating the amount of water, a harmonious environment of people and water with clear water, green banks, beautiful scenery, cleanliness, comfort and beauty can be created for urban and rural areas. Planting turf and aquatic landscape plants, planting crape myrtles, cannas, roses, etc. on the shore for greening, forming a water ecological landscape green belt. Through aquatic landscape plants, such as: emergent aquatic plants, lotus, water onion, reeds, etc.; submerged aquatic plants include: duckweed, Vallisneria, water chestnut, etc., the above-water branches and leaves and underwater roots of the planted aquatic plants are filtered, adsorbed, intercepted and transformed to purify the raw water of the wetland water system, and realize the function of greening landscape.

[0020] Fourthly, the ecological wetland system of the utility model improves and increases the ecological environment and water area of ​​the wetland water surface. By taking measures such as river and channel connection and ecological revetment construction, it improves the connectivity of the wetland water body, replenishes the ecological water volume, increases the length of the ecological revetment, increases the water surface area, and increases or improves the wetland area, thereby achieving comprehensive benefits in many aspects.

[0021] Fifth, the ecological wetland system of the utility model optimizes the allocation of regional water resources. Through the connection of wetland water systems, it effectively increases the ecological water supply, enhances the flow of water bodies, promotes water circulation, increases the water level of wetland waters, and improves the situation of groundwater overexploitation. At the same time, the wetland water body accelerates the water exchange rate through long-distance transportation and hydraulic mechanical movement, enriches the potential environmental capacity of water resources, improves the absorption, decomposition and water conservation capacity of pollutants, improves the self-purification capacity of water bodies, and effectively curbs the deterioration trend of eutrophication of wetland water bodies. The water quality of wetland water bodies has been significantly improved.

[0022] Sixth, the ecological wetland system of the utility model utilizes a solar photovoltaic small water pump water-lifting system to lift water to wetland areas with higher terrain, and connects lakes, rivers, ponds, puddles, swamps, etc. through underground pipes and ecological grass-planted ditches, connecting the scattered water bodies in the wetland area in series and parallel, thereby improving the guarantee rate of water flow and water volume, and at the same time solving the water ecology and water landscape ecological water replenishment efficiency.

[0023] Seventh, the ecological wetland system of the utility model fundamentally solves the problems of spatiotemporal distribution of drought and flood in wetlands and water ecological balance, and adopts engineering measures and information technology to achieve spatial balance of wetland water volume, time peak shifting, and optimize the allocation and scheduling of water resources to ensure the stability and balance of the ecosystem and the harmonious coexistence of man and nature. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of an ecological wetland system proposed by the utility model;

[0025] In the figure, 1-grass ditch, 2-underground pipeline, 3-gate valve, 4-solar panel, 5-stone pier, 6-lake, 7-arch bridge, 8-ecological grass-planted ditch, 9-wetland, 10-flat trestle, 11-water device, 12-solar photovoltaic water pump, 13-river, 14-reservoir, 15-aquatic plants, 16-wetland flowers and plants, 17-wetland highland slope, 18-suburban building. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of those skilled in the art, the present invention will be further described in detail below in conjunction with specific embodiments, but those skilled in the art will understand that the following embodiments are part of the present invention, not all of the embodiments, and are only used to illustrate the present invention, and should not be regarded as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can also be an intermediate component. "Disposed" indicates a way of existence, which can be a connection method such as connection, installation, fixed connection, active connection, etc. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be an intermediate component at the same time.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0030] Reference Figure 1 An ecological wetland system shown includes a connection system, a solar water pumping system, and a system for cultivating aquatic landscape vegetation, wherein the connection system includes a waterway connection system and a land connection system. The waterway connection system includes a plurality of grass ditches 1, underground pipes 2, lakes 6, ecological grass-planting ditches 8, and wetlands 9. The grass ditches 1, lakes 6, and wetlands 9 are connected in series or in parallel through underground pipes 2 and / or ecological grass-planting ditches 8. The land connection system includes stone piers 5, arch bridges 7, and plane piers 10. The stone piers 5, arch bridges 7, and plane piers 10 are arranged between the grass ditches 1, lakes 6, and wetlands 9.

[0031] The solar water pumping system includes a water pumping device 11 and a solar photovoltaic water pump 12. The water inlet of the solar photovoltaic water pump 12 is connected to the grass ditch 1, the river 13 or the reservoir 14. The water outlet of the solar photovoltaic water pump 12 is connected to the water inlet of the water pumping device 11, and the water outlet of the water pumping device 11 is connected to the ecological grass planting ditch 8. The water outlet end of the grass ditch 1 and / or the ecological grass planting ditch 8 is provided with a filter groove, and the filter groove is filled with medium-coarse sand. The particle size of the medium-coarse sand is 0.5-01.5 mm, and the filling thickness is ≥30 cm. The aquatic plants 15 are selected from lotus, water plantain, reed, goldfish algae, Vallisneria or water chestnut. The wetland flowers and plants 16 are selected from crape myrtle, canna or rose. Suburban buildings 18 are set on both sides of the river 13.

[0032] The system for cultivating aquatic landscape vegetation includes aquatic plants 15 and wetland flowers and plants 16. The aquatic plants 15 are planted on the wetland water surface, and the wetland flowers and plants 16 are planted on the wetland bank slope land. A gate valve 3 is provided on the underground pipeline 2 and / or the ecological grass planting ditch 8. The solar water pumping system also includes a solar panel 4, which is electrically connected to the solar photovoltaic water pump 12 through an inverter. The water pumping device 11 and the solar photovoltaic water pump 12 are arranged in the water-deficient area of ​​the wetland highland hillside 17, and the height difference between the wetland highland hillside 17 and the land is ≥5 meters.

[0033] The ecological wetland system of this embodiment includes three parts: the first is the connection system. Construct a waterway connection system. Through underground pipelines, etc., the scattered water bodies in the wetland area are connected in series and parallel. Construct a land connection system to connect the wetland water islands, earth slopes, dry land, and roads. The second is to build a solar water pumping system. Through the small water pumping station with solar panels, the water bodies in different elevation areas can be supplemented and allocated to each other. The third is to cultivate an aquatic landscape vegetation system. Form a water ecological landscape and green flower bed gardens on the wetland water surface and the wetland bank slope land to enhance the leisure and sightseeing function of the wetland.

[0034] Specifically, the connection system refers to connecting lakes, rivers, ponds, puddles, swamps, etc. by building underground pipelines (Ф100) and ecological grass-planting ditches (0.5×0.5 meters), connecting the scattered water bodies in the wetland area in series and parallel, improving the guarantee rate of water flow and water volume, and building sand filtration pools (2.0×2.0 meters) to intercept mud and sand, prevent and reduce soil erosion. Then, by building interval strip stone piers (length×width×height is 1.5×0.5×0.5 meters), flat trestles (width 1.5 meters), arch bridges (width 1.5 meters), etc., the wetland water islands, earth slopes, dry land, and roads are connected.

[0035] Specifically, the solar water pumping system is to build a small solar panel water pumping station in a water-deficient area in a wetland terrain with a large height difference (greater than 5 meters), pump water from rivers and canals to ponds, puddles, and ditches at high places, and let the water flow through ecological grass-planted ditches (0.5×0.5 meters) by gravity, connecting lakes, rivers, ponds, puddles, swamps, etc. at different elevations, so as to realize the series and parallel connection of water bodies with large height differences (greater than 5 meters), and increase the total water volume and water flow in the wetland. Preferably, the solar water pumping system also includes a photovoltaic solar panel water pumping inverter and a three-phase AC water pump arranged in rivers, lakes and reservoirs in low-lying locations, the three-phase AC water pump is connected to the water inlet pipe to provide pumping power, the photovoltaic water pumping inverter electrically connects the solar panel with the three-phase AC water pump, and water is pumped to the wetland area through the power provided by solar energy, forming a series and parallel connection of water systems, and forming an appropriate amount of water flow, promoting the dynamicization of water bodies and the filtration and purification of water plants.

[0036] Specifically, cultivate aquatic landscape vegetation systems. First, set up water ecological purification and landscape systems along ditches and open channels. Plant aquatic plants floating on floating blocks in the channel to form a landscape belt, set up a floating platform on the surface of the wetland, and plant aquatic plants on the floating platform, such as: tall crops, emergent aquatic plants, lotus, water plantain, reed, etc.; submerged aquatic plants include: duckweed, Vallisneria, water chestnut, etc. Use the adsorption, filtration, absorption, biological decomposition and transformation of plant roots to purify water quality. At the same time, form a water ecological landscape on the water surface. Second, plant crape myrtle, canna, rose, etc. on the land slope and bank to form an ecological landscape greening flower bed garden to enhance the leisure and sightseeing function of the wetland.

[0037] Specifically, artificial and mechanical excavation of surface grass-planting ditches and ditches with a width and depth of 50-100 cm is adopted, and low ecological Ophiopogon japonicus turf is used to protect the slope and consolidate the ditch bottom. The lakes, ponds, pools, landscape canals, wetlands, etc. in the surface area of ​​the wetland are connected in series and parallel by using grass-planting ditches to form a surface water network connection system. Solar photovoltaic small water pumps are used to control the gates through the water level elevation to regulate and supplement the water volume of independent water bodies in the ground wetland area, so as to achieve the spatial and temporal balance of water volume in the surface lakes, ponds, pools, landscape canals, and wetlands in the wetland area, thereby ensuring harmony between man and nature.

[0038] A filter ditch is set at the end of the grass ditch and / or ecological grass-planting ditch, and the filter ditch is filled with medium-coarse sand (particle size 0.5-1.5 mm, thickness greater than 30 cm) to intercept and filter mud and floating objects in the water flow in the ditch. Ensure that the water quality of the wetland area water storage system is transparent and clean. In addition, the low ecological Ophiopogon japonicus turf on the slopes and bottom of the surface grass-planting ditch will filter, adsorb, intercept, and transform pollutants in the water through the leaves and roots of the turf when the water flows through, and purify the pollutants in the water, forming an ecological purification system, so that the water quality meets the good water quality of surface water environment Class IV and above, and forms a good water body circulation and slow flow, forming a good dynamic effect.

[0039] The above are only specific implementation methods of the present invention. It should be pointed out that any changes or substitutions that can be easily thought of by technicians familiar with the field within the technical scope disclosed by the present invention should be included in the protection scope of the present invention, and the rest not described in detail are prior art.

Claims

1. An ecological wetland system, characterized in that: It comprises a waterway connection system, a land connection system, a solar water pumping system and a system for cultivating aquatic landscape vegetation; the waterway connection system comprises a plurality of grass ditches (1), underground pipelines (2), lakes (6), ecological grass-planting ditches (8) and wetlands (9); the grass ditches (1), lakes (6) and wetlands (9) are connected in series or in parallel via underground pipelines (2) and / or ecological grass-planting ditches (8); The land connection system comprises a stone pier (5), an arch bridge (7) and a plane trestle (10), wherein the stone pier (5), the arch bridge (7) and the plane trestle (10) are arranged between the grass ditch (1), the lake (6) and the wetland (9); The solar water pumping system comprises a water pumping device (11) and a solar photovoltaic water pump (12); the water inlet of the solar photovoltaic water pump (12) is connected to a grass ditch (1), a river (13) or a reservoir (14); the water outlet of the solar photovoltaic water pump (12) is connected to the water inlet of the water pumping device (11); and the water outlet of the water pumping device (11) is connected to an ecological grass-planting ditch (8); The aquatic landscape vegetation cultivation system comprises aquatic plants (15) and wetland flowers and plants (16), wherein the aquatic plants (15) are planted on the wetland water surface, and the wetland flowers and plants (16) are planted on the wetland bank slope land; The underground pipeline (2) and / or the ecological grass-planting ditch (8) are provided with a gate valve (3); The solar energy water pumping system further comprises a solar panel (4), wherein the solar panel (4) is electrically connected to a solar photovoltaic water pump (12) via an inverter; The water lifting device (11) and the solar photovoltaic water pump (12) are arranged in a water-deficient area of ​​a wetland highland slope (17), and the height difference between the wetland highland slope (17) and the land is ≥5 meters; The water outlet of the grass ditch (1) and / or the ecological grass planting ditch (8) is provided with a filtering groove, and the filtering groove is filled with medium-coarse sand, the particle size of the medium-coarse sand is 0.5-01.5 mm, and the filling thickness is ≥30 cm.

2. The ecological wetland system according to claim 1, characterized in that: The aquatic plants (15) are selected from lotus, water plantain, reed, hornwort, Vallisneria or water chestnut.

3. The ecological wetland system according to claim 1, characterized in that: The wetland flowers and plants (16) are selected from crape myrtle, canna or rose.

4. The ecological wetland system according to claim 1, characterized in that: Suburban buildings (18) are arranged on both sides of the river (13).

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