CN212864277U - Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles - Google Patents

Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles Download PDF

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Publication number
CN212864277U
CN212864277U CN202020780359.6U CN202020780359U CN212864277U CN 212864277 U CN212864277 U CN 212864277U CN 202020780359 U CN202020780359 U CN 202020780359U CN 212864277 U CN212864277 U CN 212864277U
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China
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ecological
water
wood
piles
net cage
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CN202020780359.6U
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Inventor
史春海
陈新
侯延福
马小蕾
廉卫平
李斌
杨丹
孙杲辰
张晶莉
苏蕊
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North China Municipal Engineering Design and Research Institute Co Ltd
CSCEC Aecom Consultant Co Ltd
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North China Municipal Engineering Design and Research Institute Co Ltd
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Abstract

The utility model discloses a wood-like pile founds constructed wetland and combines novel ecological bank protection that ecological box with a net planted belongs to environmental management system technical field, has solved the stereoplasm bank protection and has cut off the ecological relation at river both sides to and can't block sewage pollution's problem. The utility model discloses be equipped with two row at least imitative stake at the bank side slope, it has emergent aquatic plants to plant between the adjacent imitative stake, has hung the box with a net in the one row of imitative stake outside that is close to the river course, plants the submerged plant in the box with a net. Emergent aquatic plants can not only provide oxygen for the water body to increase the oxygen concentration in the water, but also control the water quality pollution and degrade the pollutant concentration in the water; all parts of the submerged plant can absorb moisture and nutrients, and the aeration tissue is particularly developed, so that the gas exchange is favorably carried out under the condition of lack of air in water; the net cage slows down the flow velocity of water flow and reduces the scouring of the water flow to submerged plants; the utility model discloses not only purify quality of water, also guaranteed both banks farmland and resident's living environment.

Description

Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles
Technical Field
The utility model belongs to the technical field of the environment treatment system, concretely relates to imitative stake founds novel ecological bank protection that constructed wetland combined with ecological box with a net planted.
Background
The river channel has multiple functions of flood discharge, water supply and ecology, and is an indispensable element for urban development. With the rapid development of agricultural planting, a great amount of pesticides and chemical fertilizers are used, and after rainfall, rainwater with non-point source pollutants is directly discharged into a river channel, so that the river channel is seriously polluted, and the human life and the living environment are seriously affected. In order to meet the requirements of drainage and flood discharge of river channels at the present stage, hard revetments such as concrete or stone retaining walls and trapezoidal revetments are generally adopted, but the forms meet the requirements of the river channels and simultaneously separate the ecological connection of two banks of the river, and the agricultural sewage is directly discharged into the river to cause the damage of water ecology.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wood-like pile founds constructed wetland and combines novel ecological bank protection that ecological box with a net planted to solve the stereoplasm bank protection and cut off the ecological relation on river both sides, and can't block sewage pollution's problem.
The technical scheme of the utility model is that: a novel ecological revetment planted by combining artificial wetland and ecological net cages is constructed by wood-like piles, at least two rows of wood-like piles are arranged on a side slope of a river bank, emergent aquatic plants are planted between adjacent wood-like piles, the net cage is hung on the outer side (namely, one side close to the river channel) of one row of wood-like piles close to the river channel, and submerged plants are planted in the net cage.
As the utility model discloses a further improvement, by supreme silt ecological bag, volcanic and the planting soil of being equipped with respectively down between the adjacent imitative stake, emergent aquatic plants plant on planting soil.
As a further improvement of the utility model, the net cage adopts a plumbite cage.
As a further improvement of the utility model, the thickness of the volcanic rock is 10-20 cm.
As a further improvement of the utility model, the thickness of the planting soil is 30-40 cm.
The utility model provides a combine constructed wetland and box with a net to plant ecological novel view shore protection form in contact river course both sides, improve river course water quality problem, contact river course both sides ecological environment. The artificial timber piles are used to construct small artificial wet land and the artificial timber nets are used to plant to improve water environment.
As a novel sewage treatment technology, the artificial wetland water quality purification system has the basic principle that wetland plants are planted on a specific artificial filler medium, so that the artificial wetland system is constructed, and when pollutants on both banks flow into a river channel along with surface runoff, the pollutants and nutrient substances are absorbed and decomposed by the system, so that the water quality is purified. The utility model relates to a small-size constructed wetland adopts imitative stake component to build, plants emergent aquatic plant in the middle of imitative stake, utilizes the triple effect of soil, artificial media, plant and microorganism in the small-size constructed wetland physical, chemistry, biology, brings the sewage in the river course into to the surface runoff of both sides and handles.
An ecological planting net cage is hung on the wood-like piles close to one side of the river channel, and the net cage is mainly used for reducing the flow velocity and reducing the scouring of water flow to plants on two sides. The ecological planting net cage consists of a plumbous gabion and submerged plants, and is fixed on the imitated wooden piles.
The utility model has the advantages that: when the source pollution of both sides flows into a river channel along with rainwater, emergent aquatic plants in the wetland can provide oxygen for a water body to increase the oxygen concentration in the water and control the water quality pollution to degrade the pollutant concentration in the water due to the existence of the small artificial wetland; the microorganisms in the water are the main force for degrading pollutants in the water, and the aerobic microorganisms absorb organic matters in the sewage through the respiration action and decompose the organic matters into pollution-free carbon dioxide and water; anaerobic bacteria absorb organic matters in sewage and decompose the organic matters into CO2And CH4The nitrifying bacteria nitrify ammonium salts, the denitrifying bacteria reduce nitrate nitrogen into nitrogen and the like, and the nitrogen is degraded by an artificial wetland system, harmful substances are absorbed and decomposed by microorganisms and plants and flow into the net cage, the net cage is used for planting submerged plants, the sewage treatment capacity of the artificial wetland system is high, all parts of the submerged plants can absorb water and nutrients, the aeration tissues are particularly developed, and gas exchange is facilitated under the condition that the water is lack of air. And because of the existence of the net cage, the flow velocity of water flow is slowed down, the scouring of the water flow to submerged plants is reduced, and conditions are provided for the stable growth of the plants. The small artificial wetland built by the novel ecological bank protection not only purifies water quality, but also ensures the living environment of farmlands and residents on both sides, and has good practical value.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention;
fig. 2 is a schematic diagram of the net cage planting of the utility model.
In the figure: 1-imitating wood piles; 2-planting soil; 3-volcanic rock; 4-ecological sludge bag; 5-a net cage; 6-emergent aquatic plants; 7-submerged plants.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the artificial wetland combined with the ecological bank protection is constructed by wood-like piles, at least two rows of wood-like piles are arranged on the side slope of the river bank, emergent aquatic plants are planted between adjacent wood-like piles, the net cage is hung on the outer side (namely, the side close to the river) of one row of wood-like piles close to the river channel, and submerged plants 7 are planted in the net cage 5.
Sludge ecological bags 4, volcanic rocks 3 and planting soil 2 are respectively arranged between the adjacent wood-like piles 1 from bottom to top, and emergent aquatic plants 6 are planted on the planting soil 2.
The net cage 5 is a plumbous gabion.
The thickness of the volcanic rock 3 is 10-20 cm. The thickness of the planting soil 2 is 30-40 cm.
The utility model relates to a small-size constructed wetland adopts imitative stake group to build, and imitative stake pile body length is decided according to on-the-spot geology condition, and the stake footpath is about 20cm, closely arranges, fills constructed wetland material behind the stake. The bottom layer of the artificial wetland material adopts a dewatered and solidified sludge ecological bag 4, the middle part of the artificial wetland material is filled with a layer of volcanic rock 3 of 10-20cm, and the upper part of the artificial wetland material is provided with planting soil 2 of 30-40cm, so that conditions are provided for plant growth.
The submerged plant 7 should have strong soil resistance. Because BOD, COD, TN and TP in the sewage are mainly removed by microorganisms attached to the surface and the vicinity of the plant root system, aquatic plants with developed root systems and strong decontamination capability should be selected.
The novel ecological bank protection mainly comprises an artificial wetland system and a net cage planting system. When agricultural non-point source pollution flows into a river channel along with rainfall, sewage firstly flows into an artificial wetland constructed by imitating wood piles, the artificial wetland system is a comprehensive ecological system, the basic principle of the artificial wetland system is that specific aquatic plants are planted on artificial wetland fillers, so that an artificial wetland circulating system is constructed, the pollutants in the sewage are promoted to be subjected to virtuous circulation through the total plant symbiosis and material circulation principle of the ecological system, emergent aquatic plants and microorganisms in the sewage decompose and absorb organic matters, harmful pollutants are decomposed into harmless carbon dioxide, methane and other pollution-free substances and discharged into the river channel, the pollutants are absorbed and purified again through submerged plants planted in net cages in the river channel, the submerged plants are submerged underwater for a long time, rootstocks grow in bottom mud, and the submerged plants have developed air vents, the gas exchange can be carried out under the condition of oxygen deficiency, which is beneficial to water-gas exchange, the water-gas-exchange-type solar water heater can grow normally under the condition of underwater weak light, and can absorb pollutants such as nitrogen, phosphorus and the like in the water body, thereby playing a positive role in relieving the water body pollution. The planting of utilizing constructed wetland and box with a net benthophyte, very big purification quality of water, reduced the concentration of aquatic pollutant, improved the interior water environmental quality of river course, reduced the possibility that black and odorous water body takes place.
The concrete construction process is as follows:
step 1, clearing the table: cleaning up the garbage and weeds on the surface of the river channel.
Step 2, piling: the method comprises the following steps of driving the imitated wood piles 1 according to the designed designated positions, cleaning soil bodies among the piles, filling wetland material media, and providing growth conditions for plants and microorganisms.
Step 3, filling: filling according to the required materials of the constructed wetland system, in order to improve the effective utilization of bottom mud and reduce environmental pollution, filling a dewatered and solidified sludge ecological bag 4 at the bottom layer among the wood-like piles 1, filling a layer of volcanic rock 3 with the thickness of 10-20cm in the middle, and filling planting soil 2 on the surface layer to plant emergent aquatic plants 6.
Step 4, installing the net cage 5: the net cage 5 is bound to the wood-like pile 1 according to a preset position, the flow velocity of water flow can be reduced by the net cage 5, the water flow is prevented from scouring plant root systems, and the normal growth of submerged plants is guaranteed.
And 5, planting plants: emergent aquatic plants 6 are planted among the simulated wood piles 1, and emergent aquatic plants 7 are planted in the net cage 5. The emergent aquatic plant 6 and the submerged plant 7 are selected from varieties which have strong dirt-removing power and are easy to survive.
The utility model discloses not only can play the effect of flood control drainage, can utilize the absorption and the purification effect of plant to purify quality of water again. The artificial wetland technology is constructed by the wood-like piles, so that the water quality and functions of the river channel are improved, the cognition of people on the bank protection form is improved while the water environment is improved, a landscape river channel which is more suitable for the living needs and ecological needs of people is formed, and the ecological value of the river channel is improved.

Claims (5)

1. The utility model provides a novel ecological bank protection that artificial wetland combined with ecological box with a net planted is found to imitative stake which characterized in that: the artificial wood water-retaining net cage is characterized in that at least two rows of artificial wood piles (1) are arranged on a side slope of a river bank, emergent aquatic plants (6) are planted between adjacent artificial wood piles (1), net cages (5) are hung on the outer sides of one row of artificial wood piles (1) close to the river channel, and submerged plants (7) are planted in the net cages (5).
2. The artificial wetland constructed by the wood-like piles combined with the novel ecological bank protection planted by the ecological net cage according to the claim 1 is characterized in that: sludge ecological bags (4), volcanic rocks (3) and planting soil (2) are respectively arranged between the adjacent wood-like piles (1) from bottom to top, and emergent aquatic plants (6) are planted on the planting soil (2).
3. The artificial wetland constructed novel ecological bank protection combined with ecological net cage planting according to the wood-like piles of claim 1 or 2, which is characterized in that: the net cage (5) adopts a lead wire gabion.
4. The artificial wetland constructed by the wood-like piles combined with the novel ecological bank protection planted by the ecological net cage according to the claim 2 is characterized in that: the thickness of the volcanic rock (3) is 10-20 cm.
5. The artificial wetland constructed by the wood-like piles combined with the novel ecological bank protection planted by the ecological net cage according to the claim 2 is characterized in that: the thickness of the planting soil (2) is 30-40 cm.
CN202020780359.6U 2020-05-12 2020-05-12 Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles Active CN212864277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020780359.6U CN212864277U (en) 2020-05-12 2020-05-12 Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020780359.6U CN212864277U (en) 2020-05-12 2020-05-12 Novel ecological revetment combining constructed wetland construction with ecological net cage planting by imitating wood piles

Publications (1)

Publication Number Publication Date
CN212864277U true CN212864277U (en) 2021-04-02

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