90 results about "Emergent plant" patented technology

The invention relates to a wind and light coupled oxygen-enriched nanometer matrix composite ecological floating bed. The wind and light coupled oxygen-enriched nanometer matrix composite ecological floating bed comprises a wind-powered mechanical aeration unit that consists of a wind wheel, a protective cover, a crankshaft flywheel group, a rudder, a connecting rod, a piston, an aeration cylinder, a one way valve, a base, a flow divider valve, an aeration pipe group and a micro-pore aeration head. The composite ecological floating bed is characterized in that the wind-powered mechanical aeration unit is orderly connected with a plant-nanometer matrix photo-catalyzation and adsorption treatment unit and a biological membrane-photo-compensation unit from top to bottom, wherein the plant-nanometer matrix photo-catalyzation and adsorption treatment unit consists of a nanometer material load sheet, matrix filler, a hollow basket, a submerged plant of an aquatic plant, an emergent plant of the aquatic plant and a frame, and the biological membrane-photo-compensation unit consists of photoinduced energy-storing noctilucent powder and a microorganism biofilm culturing net. The wind and light coupled oxygen-enriched nanometer matrix composite ecological floating bed disclosed by the invention not only has the advantage of effectively removing organic pollutants and nutrient salts from a slow-flow water body but also has the advantages of being good-looking in appearance, simple in structure, economical and practical, so the wind and light coupled oxygen-enriched nanometer matrix composite ecological floating bed is suitable for treatment and recovery of common urban water bodies of polluted rivers and lakes of cities.

The invention provides an aquatic plant fixing device for repairing water and bottom mud, and belongs to the field of a water pollution recovery technique in environmental protection. The device comprises a submerged plant fixing frame, two floating frames, a nylon net, an ecological floating plate, a sliding rail, a connecting rope and a plant growth substrate, wherein the frames are used for including emergent plants, floating plants and submerged plants into a same system, the frames are connected through a connecting rope to form a triangular stable structure, two floating frames are used for respectively planting the emergent plants and the floating plants, a submerged frame is connected with a submerged plant growing substrate, the water and the bottom mud are repaired by the submerged plants, microbes are doped in the submerged plant growing substrate to promote the plants to absorb and convert pollutants to realize microbe-plant combined repair. According to the aquatic plant fixing device provided by the invention, the optimization of types of plants and space structure can be realized, environment can be beautified, and water quality can be purified; meanwhile, the water and the bottom mud can be repaired, and more thorough and effective repair can be realized.

The invention relates to an ecological floating bed device for in-situ enhanced denitrification of a micro-polluted river, and can effectively solve problems that in the water body of the micro-polluted river, the C/N is relatively low, the available carbon source is insufficient, the denitrification effect is inhibited, and the TN removal rate is relatively low. The technical scheme is that the ecological floating bed device comprises a floating bed frame and emergent plants; the floating bed frame is composed of a rectangular outer floating bed frame 2 and a grid-like inner floating bed frame 3; plant water-permeable planting grooves 4 are uniformly distributed in frame grids; the planting grooves are provided with a floating bed substrate 5 and the emergent plants 1 planted in the substrate; the lower part of the floating bed frame is filled with a perpendicularly downward combined filler; the lower parts of four corners of the outer floating bed frame 2 are connected with fixed piles 7 fixed on a riverbed through connecting ropes 6. The ecological floating bed device provided by the invention is suitable for purifying water body of natural river channels, lakes and reservoirs, as well as landscapes, has dual effects of water surface beautification and water purification, and is simple to mount, economical and practical.

The invention discloses an ecological wave-weakening water conservation revetment structure. The ecological wave-weakening water conservation revetment structure is characterized in that an emergent plant wave-weakening area is arranged below a high water level of a revetment, a hygrophyte corrosion prevention area is arranged above the high water level until the top of the revetment, and an economical plant dike dam area is arranged on the top of the revetment and the remaining space. One to two rows of wave-weakening piles are arranged on the side, close to water, of the emergent plant wave-weakening area, wherein large emergent plants are planted in the emergent plant wave-weakening area in a wide and dense mode, and the emergent plants are mixed in the shape of strips and arranged parallel to the water flow direction. Hygrophytes with luxuriant roots and leaves are planted in the hygrophyte corrosion prevention area in a wide and dense mode, and the hygrophytes are mixed in the shape of strips and arranged parallel to the water flow direction. The economical plant dike dam area is of a windbreak tree belt structure formed by mixing economical trees and shrubs, wherein ecological garden dike roads are paved in the windbreak tree belt structure in a natural style for relaxation and sightseeing of tourists. The ecological wave-weakening water conservation revetment structure not only has the remarkable water conservation embankment effect, but also has the advantages of being ecological, attractive in appearance, and capable of weakening waves and enhancing effects.

The invention discloses a purifier for ecological restoration of a water body. The purifier comprises a floating island in the air, a floating island on the water and a floating island beneath the water, wherein the floating island in the air comprises a supporting framework and terrestrial plants arranged on the framework, the floating island on the water comprises a floating island unit and emergent plants, the floating island beneath the water comprises a microorganism biofilm forming member and submerged/floating-leaved plants, the floating island unit comprises a planting area for the emergent plants and a planting area for the submerged/floating-leaved plants, the supporting framework is arranged on a planting area for aquatic plants, the microorganism biofilm forming member is hung below the planting area for aquatic plants, and the submerged/floating-leaved plants are arranged in the planting area for the submerged/floating-leaved plants. The invention has the following advantages: a stereo ecological environment can be constructed according to growth needs of different plants, air in and above a water body can be purified at the same time, easy attachment of microorganisms is realized, which is beneficial for establishing good ecological balance, a multi-level structure has strong adaptability, and abundant landscape effects can be obtained.

The invention discloses technology for treating piggery wastewater by a methane tank, a biofilm reactor and an artificial wetland. The technology comprises the following steps of: establishing a hydrolytic acidification tank, the methane tank, and a sedimentation tank in front of a sequencing batch biofilm reactor (SBBR) in turn; and establishing an aquatic emergent plant pool and an aquatic cash crop pool. The piggery wastewater flows from the hydrolytic acidification tank and flows out of the aquatic cash crop pool. The time parameters of the SBBR operating condition and technological condition are that: the time for water inlet is 1 hour, the time for anaerobic treatment is 3 hours, the time for aerobic treatment is 7 hours, the time for sedimentation is 0.5 hour, and the time for drainage is 0.5 hour. The wastewater subjected to comprehensive treatment reaches the emission standard.

The invention provides a cyclic treatment system for repair and maintenance of a water area. The system comprises a fence and a light supplementing device, wherein an emergent plant layer, a submerged plant layer and a floating plant layer are arranged inside the fence; the emergent plant layer is located on the upper side of the submerged plant layer and on the lower side of the floating plant layer; the light supplementing device is used for supplementing the submerged plant layer with light and comprises a casing support and transparent light guiding rods fixed on the casing support; lower ends of the transparent light guiding rods are inserted in the submerged plant layer and guide light on the surface of a water body into the submerged plant layer. The transparent light guiding rods in the light supplementing device can guide light on the surface of the water body into the submerged plant layer, so that the submerged plant layer has the relatively sufficient illumination, the growth efficiency and the oxygen generating capability of the submerged plant layer are improved, and the capability of treatment on the water body is improved.

The invention provides a tail water artificial wetland treatment system of a sewage treatment plant, which at least includes a shallow multi-stage drop channel, an artificial combined unit wetland, an underflow wetland and a biological stabilization pond; the shallow multi-stage drop channel includes a water channel and a multi-stage drop dam , the artificial combined unit wetland includes an aerobic nitrification area, anoxic denitrification area and a sedimentation area, the subsurface flow wetland includes an inlet channel, a microbial reaction area, wetland plants and an outlet channel, and the biological stabilization pond is provided with an aquatic plant system and the aquatic animal system, the sewage sequentially passes through the shallow multi-level drop channel, the artificial combined unit wetland, the subsurface wetland and the bio-stabilization pond, and the dwarf evergreen bitter grass and emergent plants are planted in the shallow multi-level drop channel, and the The aerobic nitrification area and the anoxic denitrification area of ​​the artificial combined unit wetland are arranged with several microbial growth base units at intervals. The microbial reaction area of ​​the subsurface wetland is limestone, volcanic rock and gravel from top to bottom with particle sizes ranging from small to large.

The invention relates to an ecological restoration apparatus for slightly-polluted river water body, and effectively solves the restoration problem of the slightly-polluted river water body. According to the technical scheme, the center of a frame is provided with a fixing plate through a bolt, uniformly-distributed water-permeable planting grooves are arranged on the frame, and emergent plant is planted in the water-permeable planting grooves; the upper part of the frame is paved with an artificially-synthesized matrix layer, and a wet-land dwarf cold-resistant plant is planted on the matrix layer and is apart with emergent plant; a vertical connection rope is tied to the lower part of the frame, uniformly-distributed biological membrane fillers are disposed on the vertical connection rope and are in serial connection, and the vertical connection rope is fixedly disposed on first gravel at the bottom of the water body; the frame is transversely fixedly connected with a timber pile on the river slope via a haulage rope, the frame is floated on the water surface; and multiple unit restoration apparatuses are in uniform serial connection and form a restoration apparatus array. The apparatus can enable the slightly-polluted water body to be subjected to omnibearing area purification, and is good in landscape effect, high in stability and impact resistance, also convenient to transport, easy to assembly and simple to run, and free combination can be realized.

The invention belongs to the technical fields of surface source pollution control and water pollution biological treatment and particularly discloses a purification method of drainage outside a rice field in an estuarine area. Emergent plants are planted at bottoms of drainage trenches of the rice field; floating plants are planted on trench walls; the drainage outside the rice field passes through the drainage trenches and the trench walls in sequence and then flows to a nitrogen and phosphorus prevention and control box and a plant floating bed which are arranged on rice field drainage main canals so as to be treated; and then the drainage outside the rice field is introduced to a natural wet land so as to be purified and converged to rivers. By using the purification method, the traditional conditions are fully utilized, a large amount of land is not occupied, needed materials are easy to obtain, retaining effects to nitrogen and phosphorus are good, and meanwhile, a scenery effect is good.

The invention discloses a method for building an ecological slope protection by reasonably mixing and matching spiral shells with water plants. The method includes the steps: sequentially building an emergent plant area, an emergent plant and submerged plant mixing area and a submerged plant area on a water and land staggered zone between a bank and a water body, and setting grooves for growth of the plants and the spiral shells on the three areas; planting emergent plants in grooves in the emergent plant area, planting emergent plants and submerged plants in grooves in the emergent plant and submerged plant mixing area at intervals, and planting the submerged plants in grooves in the submerged plant area; throwing the spiral shells into the grooves in the three areas. By the method, the content of nitrogen and phosphorous in the water body can be effectively reduced, organic substrates in mud and sand are changed into inorganic salt, the shading effect of attaching organisms for the submerged plants is decreased, deciduous old leaves of the plants are decomposed, excessive release of nutritive salt after the old leaves are decayed is avoided, the content of phytoplankton in water can be reduced by the spiral shells, and excrements of the spiral shells can facilitate growth of the water plants.

The invention discloses a bio-rope strengthened phytoremediation system for purifying a polluted river and relates to water pollution control methods. According to the system, bio-ropes are adopted to strengthen a phytoremediation technology, so as to form a plant-microorganism strengthened purification repair system. The upper part of the system is an emergent-plant bed, the lower part of the system is a bio-rope fixed bed, and the emergent-plant bed and the bio-rope fixed bed are connected by a framework and then are fixed in the river. The emergent-plant bed is planted with canna, iris tectorum, calamus, cyperus alternifolius and the like and is fixed on the framework by adopting a vacuum-plastic water floating bed; the bio-rope fixed bed adopts a high-performance contact filtration material, namely the bio-ropes; the upper and lower ends of each bio-rope are fixed on the framework, and an adsorption layer with the thickness of 2-4cm is arranged at the bottom of the bio-rope fixed bed and consists of a nano-carbon microsphere layer, a nano-carbon tube layer and an adsorption mesh from top to bottom. The system has the advantages that the problem of water pollution of rivers of catchment river network districts can be solved, and pollutants, such as organic matters, nitrogen and phosphorus, in sewage are effectively removed.

The invention discloses a method for protecting and recovering wetland. The method comprises the following steps that (a) field investigation is conducted in a to-be-restored wetland area to comprehensively obtain natural condition information of the ecological wetland, wherein the natural condition information comprises hydrological characteristics, soil characteristics and plant characteristics;(b) according to the obtained natural condition information, fences are established in the to-be-restored wetland area and around the to-be-restored wetland area for closed breeding and livestock reduction; (c) different source soil plant seed libraries are mixed, wherein species comprise trees, shrubs, emergent plants, submerged plants and floating plants; (d) river water, well water or reclaimed water from a sewage treatment plant is utilized for irrigating the wetland multiple times until the water level of a surface layer is kept at 6-11 cm; (e) planting pits are dug in wetland soil, seedpellets are applied into the planting pits, and the planting pits are filled with soil with the depth of 7-10 cm for burying storage. By means of the method, various arbors, shrubs and aquatic plantsare adopted for mixed growth to construct a wetland plant community, the plant diversity of the wetland is improved, and meanwhile the pollutant purification capability of the wetland is improved.

The invention belongs to the field of black and odorous/polluted water remediation, and discloses an iron-carbon microelectrolysis coupled emerged plant module and an application thereof. The iron-carbon microelectrolysis coupled emerged plant module comprises a floating plate, planting baskets and an aeration system, the planting baskets are mounted on the floating plate, emergent plants are fixed in the planting baskets, the roots of the emergent plants are wrapped with an iron-carbon filler and are fixed with leak-proof bags, the peripheries of the leak-proof bags are surrounded by ceramsite, and the emergent plants are fixed in the planting baskets by ceramic. The iron-carbon microelectrolysis coupled emerged plant module is applied to black and odorous/polluted water remediation, cansignificantly reduce the chroma and odor thresholds of the black and odorous/polluted water within 2-4 days, and can realize no obvious odor, transparent water, a COD removal rate of 80% or above, anammonia nitrogen removal rate of 99% or above, a phosphorus removal rate of 97% or above, a dissolved oxygen concentration of 3 mg/L or above, the water quality reaching surface water level IV water standards and water ecosystem remediation within 16-22 days.

The invention discloses a method for treating eutrophication of a small water body in a hilly area. The method comprises the following steps of: 1) associating a pollution source within 0.05-0.1 km around a water body, and arranging a plant isolation belt within 0.01-0.02 km around the water body; 2) improving bottom mud, and killing primary algae; 3) cultivating dominant populations of beneficialalgae, and regularly putting a microecological preparation; 4) constructing a submerged plant planting platform; 5) putting filter-feeding fishes, small indigenous fishes and carnivorous fishes; 6) stocking benthonic animals; 7) arranging oxygenation or aeration equipment; 8) constructing emergent plant community in a shallow water area; 9) constructing evergreen plants in a hydro-fluctuation belt of the water body; and 10) harvesting aquatic plants and fishing fishes. The method of the invention overcomes the problem of pollution of water area environments in hilly areas, promotes sustainable development of water environments, and is suitable for eutrophication treatment of fresh water bodies in lakes, reservoir branches and cities, wide in application range and high in practical application and popularization value.

The invention provides a ecological river comprising an old river course and a new river course. The ecological river is characterized in that one end of the old river course is provided with a riverloop starting point, while the other end is provided with a river loop endpoint; both ends of the new river course are respectively connected with the river loop starting point and the river loop endpoint; the old river course and the new river course are respectively provided with an old river gate and a new river gate on the river loop starting point; a plurality of repair units are disposed onthe old river course; submerged plants are arranged between the repair units; a deep pool with the submerged plants inside is arranged in the center of the new river course; emergent plants are arranged around the deep pool. The ecological river and treatment method thereof have the advantages that with the old river course retained after the transformation of cutting and straightening the river,staging deployment of upstream water is implemented through the control of the two gates; flood drainage problem can be effectively solved when the new river gate is opened during the flood season; the original habitat of the river and the self purification capacity of the water body are maintained in the non-flood period as the upstream water mainly passes through the old river.

The invention provides a treating method for removing trace heavy metal and trace F-53B in electroplating wastewater treatment effluent. By setting a microorganism degradation zone, nitrogen and phosphorus and a part of organic matters in industrially treated wastewater can be removed by utilizing compound microorganisms; by setting an algae adsorption zone, trace organic matters in wastewater canbe adsorbed by utilizing algae cells, and refractory trace organic matters in the wastewater can be fixed; by setting an intercepting net and filling volcanic, carbon residue and magnetite residue, heavy metal in the wastewater can be synergistically reduced; by setting an emergent plant zone, a floating plant zone and a submerged plant zone, ecologic degradation can be further carried out on a water body. A device can also be arranged in a natural river channel, so that the natural river channel can be repaired, the visibility of the water body can be improved, and enrichment of the heavy metal and the refractory organic matters in aquatic animals and plants can be reduced.

The invention relates to a method for controlling blue-algae bloom outbreak of urban landscape water. The method comprises the following steps: for revetment and lake bottom hardened urban landscape water, building a hardened planting pool at a river bank, and planting emergent plants; planting submerged plants in a flowerpot, and sinking the flowerpot to the bottom of the water; and planting floating-leaved plants in the flowerpot, and placing on the bottom of the water. By planting the aquatic plants and ensuring the planting area and biomass of the aquatic plants, the excessive growth and breeding of algae in the water are inhibited, and the blue-algae bloom can be inhibited and eliminated. When the blue-algae bloom outbreak is effectively controlled, the clear state of the water can be maintained, the landscape effect of the water is improved, a good living space and habitat can be provided for bottom inhabiting organisms, a high-density zooplankton colony is formed, and the biological diversity is improved. The potted aquatic plants are easy to replace and manage, and the method has the advantages of simplicity in operation and maintenance, low investment and low energy consumption.

The invention relates to a three-dimensional ecological floating bed which comprises an inner frame and an outer frame in one sample plane; the inner frame is fixedly connected with the outer frame through connecting pipes; the inner frame, the outer frame and the connecting pipes are hollow pipelines; flexible net bodies respectively wrap the upper part and the lower part on the periphery of each of the inner frame pipeline and the outer frame pipe between the inner frame and the outer frame to form a bed body for floating plants; a rigid net body lower than the inner frame is fixed and suspended on the inner frame through hooks to form a bed body for emergent plants; the emergent plants are planted on the rigid net body through fixedly placing hollowed-out planting baskets; the hollowed-out planting baskets are suspended on pipelines on the periphery of the outer frame through ropes to form a bed body for submerged plants; a protective net that covers the periphery under the outer frame and the bottom and is capable of isolating bred fishes, shrimps and crabs from the plants in the floating bed is also fixedly placed on the outer frame. The three-dimensional ecological floating bed provided by the invention can simulate a natural planting environment and plant the different levels of plants according to the natural niche of each plant, thereby effectively reducing nitrogen and phosphorus as well as organic matters in a water body, facilitating water body restoration and also having a certain landscape effect.

The invention relates to a riverbed sediment in-situ modification method. The method includes the steps of: acquiring the content of organic matters and heavy metals in riverbed sediment; conducting sewage interception treatment on a governance area, and separating a to-be-repaired polluted area; at the end of sewage interception, pumping out the water out of the governance area until a bottom silt layer is exposed; preparing an EM bacteria fermentation broth and a soil conditioner; adding the EM bacteria fermentation broth into the silt layer, spraying the soil conditioner to the silt surface evenly as much as possible by a dosage of 500-700g/m<2>, conducting standing after spraying, then stirring the silt surface layer till formation of a granule structure; planting submerged plants or emergent plants; supplementing the water level of the governance area, and relieving isolation of the area. The sediment surface layer repaired by the method can prevent heavy metals and other harmful substances contained in the silt layer from entering water and causing pollution, the method does not destroy the original ecological environment, does not cause secondary pollution, can achieve thorough governance, and is almost free of recurrence.

The invention discloses a method for preparing multi-level pollution-resistant plants and microorganisms in shallow lakes, wherein the method includes the steps: (1) construction of an infrastructure:constructing a gradient water level ecological unit by utilizing river networks located near the shallow lakes and connected with the shallow lakes; (2) preparation before configuration: adding a filler in a purification area; arranging embankments at lake coasts, river coasts and layered overbank coasts, and burying a soil hardener loaded in a mesh bag in soil near the embankments; (3) microbialpreparation: laying fiber nets on lakes and rivers, and sowing decontamination microbial agents near the fiber nets; and sowing large filamentous green algae to a purification area; (4) plant preparation: arranging submerged plants, floating plants and emergent plants to various areas reasonably; and (5) dynamic regulation: dynamically replenishing seeds or salvaging plants or microorganisms. Thesteps are convenient and simple, the dynamic evolution of an ecosystem is promoted, a multi-level anti-pollution hierarchical structure of a wetland is formed, and the method has high practicality and wide application.

The invention provides an ecological drainage ditch, which includes a cement ditch, a plurality of aquatic plant cultivation units are arranged in the cement ditch, each aquatic plant cultivation unit is respectively filled with a plant growth substrate, and emergent plants are cultivated on the plant growth substrate . The invention solves the problems of the existing cement ditches, such as poor ability to intercept and purify nitrogen and phosphorus in farmland drainage, low biodiversity and poor landscape effect, and prolongs the hydraulic retention time on the basis of not destroying the original cement buildings and drainage , intercept nitrogen, phosphorus and other nutrient elements in farmland drainage, comprehensively utilize solid waste as the cultivation substrate of aquatic plants, and can form a certain landscape effect according to the demand, and can be applied to the field of non-point source pollution prevention and agricultural ecological landscape.

The invention relates to an artificial bird island capable of floating up and down with water. The artificial bird island capable of floating up and down with the water comprises an island body, emergent plants, artificial bird nets, a buoyancy box, and a telescopic underframe; the island body is fixed to the top of the buoyancy box and can float on the water, emergent plants are planted on the island body and a plurality of artificial bird nests are arranged on the island body; the telescopic underframe is composed of a bottom plate, guide cylinders and slide columns, the bottom plate is buried in a silt layer at the water bottom through a plurality of steel pipe piles, a plurality of the guide cylinders are arranged on the bottom plate, a plurality of the slide columns are arranged in the corresponding guide cylinders, and the tops of the slide columns are fixedly connected with the bottom of the buoyancy box; and the buoyancy box drives the slide columns to slide along the guide cylinders when floating up and down with the water. By fixing the bottom of the artificial bird island through the telescopic underframe, the artificial bird island is good in positioning and firm and reliable in connection; and the island body only floats up and down with the water, so that the artificial bird island is good in stability and can adapt to extreme weather well.