65results about How to "With landscape effect" patented technology

The invention relates to a method for ecologically restoring vegetation on the bare rock engineering wound surface, which belongs to the technical field of vegetation ecological restoration. A similarly natural mode is used to accelerate the restoration of the vegetation ecological environment and landscape. The method comprises the following steps: firstly carrying out the pretreatment on the bare rock engineering wound surface, and retaining the definite natural unevenness and fissure degree of the actual slope line (4) of the bare rock within the range from the low level control line (2) to the high level control line (3) of a designed slope line (1) under the preconditions of keeping a stable rock slope base and removing dangerous and floating stones; and by adhering to the concept of artificial guidance and natural selection, adjusting measures to the local conditions according to the geological, geomorphic and climatic conditions and different target vegetations, and adopting different processes and slurries with different components to carry out the spray sowing on the rock slope. The method has low cost and high efficiency, facilitates the retention of soil and plant seed sources, and completes at one pass the vegetation restoration which needs years of accumulation and multiple superposition of the natural force. The vegetation ecological restoration is similar to the nature, but is far quicker than the nature. The prosperous period or declining period of a single species mutation can never appear. The method is particularly suitable for the large-area application, achieves the landscape and ecological effects in the near term, the medium term and the long term, and has practical and long term significance.

The invention discloses a terrace pond construction method and a terrace pond structure applicable to a hydro-fluctuation belt water bay slope. The method mainly comprises the steps of (1) constructing a 'land-hydro-fluctuation belt-water body' foundation, (2) arranging a water collecting pond, (3) trimming a hydro-fluctuation belt or part of land into a terraced field along the slope, (4) planting floating plants, emergent aquatic plants, hygrophilous plants and damp tolerant plants along the terraced field from bottom to top, and culturing fishes in a water body area, wherein in the terrace pond structure, the slope is in a step structure, at least one water collecting pond is arranged on the step structure, a water sprayer and a water pipeline are arranged in the water collecting pond, a submersible pump is arranged in the water body area, and the water pipeline is arranged at the bottom of the water collecting pond and is communicated with the immersible pump; the height difference between every two adjacent ladders of the terrace field is 0.3-1.5m, and the width of the surface of each ladder is 1.5-15m. The terrace pond structure also has the functions of water-soil high-efficient utilization, non-point source pollution prevention and control and landscape, and is particularly applicable to the hydro-fluctuation belts at reservoirs, rivers or lakes where the bank has a certain slope and the water level variation amplitude is large.

The plant growing ball shaped porous concrete block is one prefabricated member comprising four parts with spherical cap top and truncated cone bottom arranged symmetrically about the central conic hole. The block is made of the material comprising cement, crushed stone, mineral additive and high performance water reducing agent, and the making process includes stirring in stirrer, and forming through pressing, vibrating or pounding. It has high porosity, high strength and high erosion resistance, and owing to its good water penetrating and air permeability, some plant with proper root system can grow therein.

The invention discloses a method for preventing corrosion of concrete members in a tidal range zone and a splash zone of an ocean, belonging to the field of concrete member corrosion prevention. Aiming at the protection requirement in special corrosion environment, the method comprises the following steps: coating a layer of silane impregnant on the outer surface of concrete, wherein the penetration depth is more than 1mm; after natural air drying, coating a layer of silane end sealing polyether sealant in a scraping way, wherein the thickness is 2-5mm; then wrapping a prefabricated protective cover immediately; coating a layer of sealant in the protective cover in a scraping way; sealing the upper and lower ends and the corners of the protective cover with the sealant; and coating the whole wrapping system with weatherproof finishing paint. In the method, the glass reinforced plastic protection technology is adopted and combined with the sealing protection technology of the silane end sealing polyether sealant and the silane impregnating protection technology, thus realizing the effective protection on the concrete members in the tidal range zone and the splash zone. The technical construction is simple as well as convenient and fast, and the sealant has a reliable and excellent protection effect, therefore, the method has a good market popularization prospect.

This invention relates to a complex flow artificial marsh composed of a vertical flow artificial marsh unit at the top and a level flow gravel bed at the bottom to become an integral structure, which is a solid sewage zoology process system, the level flow gravel bed is under the vertical flow marsh unit to reduce occupied areas with exclusive nitrogen-removing effect, in which, TSS, BOD and TN in the sewage are removed effectively and processed water can be collected by collecting wells and used in pouring greenbelt in local areas, besides, rain flows can be stored in underground deposition tanks and processed and re-used by the complex flow artificial marsh to realize situ processing life sewage and rain flows.

The invention discloses a drop-aeration self-driven biological rotating disc which comprises a shallow tank and a biological rotating disc, wherein the biological rotating disc is rotatably erected on the shallow tank; the shallow tank comprises a tank body and a waterproof baffle arranged at the upper part of the tank body; a water outlet weir is arranged on the right side of the tank body; a water outlet guidance baffle is arranged below the water outlet weir; a mud pipe is arranged at the bottom of the shallow tank; and the circumference of the biological rotating disc is divided into a plurality of water collection tanks at equal intervals by multiple separating trough plates. The biological rotating disc disclosed by the invention can be used for effectively solving a problem of poor drop-aeration effect, and realizing self-driven automatic aeration by virtue of improvement; a conventional operation mode of the biological rotating disc is changed; and the biological rotating disc not only can save energy but also can achieve a good aeration effect.

The invention relates to a reservoir bank hydro-fluctuation belt terraced tree planting method.The technical purpose that terraced, appropriate land and appropriate tree ecological environment repair is carried out in the area where surrounding submersed land is periodically changed due to seasonal water level fluctuation of a reservoir bank hydro-fluctuation belt is achieved.The method is characterized by comprising the steps that different terraced distinguishing is carried out on the reservoir bank hydro-fluctuation belt with the water level fluctuation, and plants are distributed based on biological characteristics of water resistance and dry resistance of plants, forest planting controllability, plant allelopathy, arbor-shrub-grass combining degree and arbor-shrub-grass soil conservation, washout prevention and slope protection ability in different growth spaces; life vitality of tree species is kept, a stable plant community is formed as soon as possible, the good protective effect is achieved on stabilizing tree species and avoiding external force impact, greening, slope protection and soil fixation are achieved, and the certain landscape effect is achieved.

The invention discloses a method for treating sewage and ecologically restoring water environment of villages and small towns in a water network region. The method comprises the following steps of: partitioning a slow-flow pollutant loading creek of which the width B is between 6 and 14 meters into six different continuous sections, namely, an aquatic plant purification ditch section I of which the length R1 is between 40 and 150 meters, a creek in-situ oxygenation section of which the length R2 is between 15 and 40 meters, an artificial waterweed carrier biological film system section of which the length R3 is between 10 and 50 meters, an aquatic plant purification ditch section II of which the length R4 is between 20 and 250 meters, an ecological embankment and irrigation and stagnant water drainage water transfer system section of which the length R5 is between 80 and 200 meters and a water gate adjusting section which serve as a sewage treatment unit; and reforming the conventional waste slow-flow pollutant loading creek so as to turn the pollutant loading creek into a sewage treatment facility for the villages and small towns. The method has the advantages of realizing sewage treatment and ecological restoration of the water environment of the villages and small towns, saving land resource and using recycled waste water for cultivating and irrigating, along with small investment, convenient management and maintenance and low running cost.

The invention discloses a drop type waterwheel oxygenation biological contact oxidation pond, which comprises a biological contact oxidation reaction pond of at least two stages, wherein a rectangular shallow pond of the biological contact oxidation reaction pond is partitioned into a downward flow reaction region and an upward flow reaction region; the upper part of the downward flow reaction region is provided with an auxiliary oxygenation runner waterwheel; and the auxiliary oxygenation runner waterwheel is provided with blades. Natural fall or a water pump is used for lifting into a multi-stage drop type waterwheel oxygenation biological contact oxidation pond at one time for performing aerobic treatment, a part of effluent at an aerobic stage enters a subsequent constructed wetland, and a part of effluent reflows to an anoxic stage for denitriding. Due to the arrangement of water fall baffle plates, the contact time of sewage and the atmospheric air can be prolonged, and the oxygenation effect is enhanced; and due to the arrangement of the auxiliary oxygenation runner waterwheel, the sewage can be cut by the blades, the contact area with the atmospheric air is increased, and the oxygenation effect is enhanced. Under the rotating action of the auxiliary oxygenation runner waterwheel, perturbance of a water body can be increased appropriately, and the fall and update of a biological membrane are facilitated.

The invention provides an ecological blanket laying method for in-situ remediation of a heavily polluted riverway. The method comprises the following steps: (1) determining an ecological blanket laying scheme according to the riverbed form and bottom mud pollution characteristics; (2) assembling and laying the ecological blanket; (3) planting a side slope vegetation area or arranging a stepped ecological revetment; (4) arranging a secondary ecological interception ditch and a primary ecological interception ditch; and (5) planting in a riverbank plant area. Jacking deformation caused by bottommud gas production after the ecological blanket is laid can be effectively avoided, a laying scheme can be optimized according to the riverway condition, and long-term stable operation is guaranteed;and implementation is easy, and large-scale application and popularization can be achieved.

The invention relates to a technology for conditioning a lakeside matrix through biochar and dry reed stems conditioning to strengthen nitrogen and phosphorus removal. The dry mass percent of the charcoal, the dry reed high-temperature cracking stems and the lakeside matrix is (1-5):(0.5-2):(93-98.5). The dry reed stems are subjected to high-temperature cracking to prepare the charcoal, then the charcoal and the dry reed stems are mixed into the lakeside matrix, vascular bundle type aquatic plants are planted on the mixed matrix, and effective removal of lakeside nitrogen and phosphorus is achieved through the synergistic effect of the three. The raw materials, namely the dry reed stems, adopted in the method are cheap and easy to obtain, the technical operation is simple and feasible, andthe technology has the advantages of being low in investment cost, low in energy consumption and the like.

The invention relates to the technical field of sewage treatment, in particular to an ecological landscape type integrated garbage and sewage treatment system for villages and small towns. The system comprises a grille well, an aeration adjustment pool, a garbage transfer station, a reinforced ecological pool and a plurality of earthworm natural decomposition pools connected in series, wherein the grille well is connected with the aeration adjustment pool through a sewage pipe, the aeration adjustment pool is connected with a flat-flow water distributor in the reinforced ecological pool through a pipeline, and the reinforced ecological pool is connected with the earthworm natural decomposition pools through pipelines; the earthworm natural decomposition pools are connected with one another through the sewage pipe; a gas collection pipeline is connected with a gas collection fan and is connected with the aeration adjustment pool through the gas collection fan and a gas pipeline, a water collection pit is connected with the aeration adjustment pool through a leachate pipe, and a rotary fan is connected with the aeration adjustment pool and an aeration pipe in the reinforced ecological pool through a pipeline. The system integrates garbage treatment and sewage treatment, has the environment beautifying function and treats rural garbage very well.

The invention relates to the technical field of water conservancy facilities and provides an adjustable aeration ecology landscape retaining dam which comprises an upper dam body, a middle dam body and a bottom dam body. The bottom dam body is fixed to a river bed. A height-adjustable supporting device is connected between the upper dam body and the middle dam body, and a height-adjustable supporting device is connected between the middle dam body and the bottom dam body. The height-adjustable supporting devices are electrically connected with a controller. The upper dam body comprises a first flow-passing surface which comprises a first waterways experiment station (WES) weir surface. The middle dam body comprises a second flow-passing surface, and the second flow-passing surface comprises a second WES weir surface and a first reverse curve surface. The bottom dam body comprises a third flow-passing surface, and the third flow-passing surface comprises a third WES weir surface, a first inclined surface, a second reverse curve surface, a first horizontal surface and a third reverse curve surface which are connected in sequence. According to the adjustable aeration ecology landscape retaining dam, the distances between the three dam bodies can be adjusted according to upland water conditions, accordingly the water passing condition is adjusted, and the concentration of air entrained in water is increased.

The invention relates to an artificial wetland sewage treatment method and system. The system of the invention comprises a bar screen adjusting tank, a series biochemical tank and a vertical-flow artificial wetland which are communicated in sequence, wherein the bar screen adjusting tank is used to filter the suspended matter and isolate the oil slick; the series biochemical tank contains at least one aeration tank and sedimentation tank in series; the vertical-flow artificial wetland contains mixed medium and plant roots. The artificial wetland sewage treatment method comprises the steps of pretreatment, aeration-sedimentation treatment and vertical-flow artificial wetland treatment. The system of the invention can better remove organic matter, inorganic matter, ammonia nitrogen, nitrogen, phosphorus and other pollutants in sewage; and the system has small floor space, high treatment efficiency and low operating cost and also has landscape effect.

The invention relates to an unpowered stepped type purification system for ecological revetment of a river channel. The system comprises a water pumping system, a water reservoir and a stepped type revetment, wherein the water pumping system comprises a water inlet pond which is communicated with the river channel through a water inlet pipe; the lower part of the water inlet pond is communicated with a hydraulic ram water inlet in a pump pond through a water pipe; a hydraulic ram water outlet in the pump pond is communicated with an upward lifting pipe lower port; a lifting pipe upper port iscommunicated with the water reservoir; the stepped type revetment comprises stepped type multi-stage common-wall purification tanks, and a first-stage purification tank at the upper part shares the wall with the water reservoir; a retaining wall between the first-stage purification tank and the water reservoir is a perforated water distribution wall; a water collecting tank is communicated with one side, close to the river, of the last-stage purification tank and communicated with the river through a water outlet pipe; each purification tank is filled with a substrate layer, and plants are planted in the substrate layer. The system is simple in structure, existing space of the river channel and kinetic energy of the river can be effectively utilized to intercept non-point source pollution,the purification effect of the river channel is fully played, the effect is good, and economic and social benefits are remarkable.

The invention relates to a biological rotating disc which comprises a disc body and a rotation shaft at the center of the disc body, wherein the disc body is a cylinder without side face, a disc body bracket is arranged between the two bottoms of the cylinder, the disc body bracket divides the disc body into a plurality of filler reactors, openings of the filler reactors are provided with net fences, the filler reactor openings outside the net fences are provided with a plurality of water inlet vanes, the filler reactors are internally provided with a filler which is porous or large in surface area, and the side faces of the filler reactors are also provided with water outlet holes. The biological rotating disc is simple in structure and low in production costs, and provides a quite favorable environment for formation of aerobic biological films, so the wastewater treatment efficiency is remarkably improved. When the thickness of the biological films reaches a certain value, the biological films automatically fall off and flow out with water, and thus no backswing is needed and only the rotation shaft needs periodic maintenance. The biological rotating disc has the structure like a watermill, and when arranged in rivers of a city, the biological rotating disc has a water sight effect and plays a role in beautifying the environment.

The invention relates to a combined ecological floating bed, comprising at least one floating bed unit floating on a water body. The floating bed unit includes a hexahedron-shaped frame; emergent aquatic plants are placed on the upper frame layer; a net is arranged on the lower frame layer and submerged plants are placed on the net. By adopting the above structure, the combined ecological floatingbed has the beneficial effects that the water level where the submerged plants are located can be raised, the structure is simple, the effect of removing nitrogen and phosphorus in the water body isremarkable, the transparency of the water body can be improved, the pH value can be balanced, and the advantages of beautifying the environment and saving costs are also provided.

The invention relates to the technical field of permeable ground, and discloses a water permeable pavement method easy to construct and having landscape effect. The water permeable pavement comprisesa water-permeable layer and a pebble layer. The water-permeable layer comprises a coarse sand layer, a water-permeable concrete base layer and a water-permeable leveling layer. The water-permeable pavement paving method which is easy to construct and has landscape effect comprises the following steps: 1) compacting the ground to be constructed with a rammer or a road roller to form an original soil road base layer, and laying a layer of coarse sand on the soil road base layer; 2) starting from the edge of the coarse sand paved dirt road base, paving with masonry, permeable bricks or engineering leftovers at the corresponding positions at equal distances to form one or more pedestrian walkways intersecting horizontally and longitudinally; 3) pave that permeable concrete base layer on the pave area, then paving the permeable leveling layer, and pave a layer of gravel miscellaneous material on the permeable leveling layer. The permeable pavement paving method which is easy to construct and has landscape effect is easy to construct, and can give consideration to the functionality and the landscape property.

The invention discloses a blocking-proofing fast infiltration system, comprising an impervious wall, an infiltration bed, a permeability pipe, a water collecting pipe, a water distributing channel and a water distributing pipe, wherein, the infiltration bed is arranged in the impervious wall and is composed of a soil layer I, a packing layer I, a packing layer II and a soil layer II from the bottom to top sequentially; the permeability pipe is inserted in the infiltration bed and penetrates through the infiltration bed, and the upper end of the permeability pipe is higher than the top layer of the infiltration bed; the water collecting pipe is arranged at the bottom of the infiltration bed and a limestone layer with 1-3 cm of grain diameter is covered around the water collecting pipe. The sewage treatment process comprises the following steps: the sewage is discharged into the water distributing pipe and is seeped out from infiltration holes on the water distributing pipe and is infiltrated into an infiltration channel, then by the infiltration effect of ground substance capillary pipes in the infiltration channel, the sewage is spread into mixed ground substances of each layers around sequentially, under the co-actions of ground substance, microorganism and plants, the sewage is purified; the sewage is collected by the water collecting pipe which is arranged at the bottom part of the infiltration bed and is discharged after the sewage is purified. The blocking-proofing fast infiltration system has the advantages of simple structure, low operating cost and the like and is proposed to be popularized and used in a large scale.

The invention relates to a floating wetland planting frame unit, which comprises a frame body with a hexagonal structure and a filler inside the frame body. Two opposite sides of the frame body are respectively provided with a plug-in hole and a plug-in bulge. With connection of the plug-in bulge and the plug-in hole on the frame body, connection of two adjacent floating wetland planting frame units is realized. In comparison with the prior art, the floating wetland planting frame unit has a simple structure, has low manufacture cost, is convenient to use and install, has strong structural stability after installation, has an effect of purifying a water body, is capable of planting aquatic plants, and has a landscape effect.

The invention relates to a reservoir bank hydro-fluctuation belt terraced tree planting method.The technical purpose that terraced, appropriate land and appropriate tree ecological environment repair is carried out in the area where surrounding submersed land is periodically changed due to seasonal water level fluctuation of a reservoir bank hydro-fluctuation belt is achieved.The method is characterized by comprising the steps that different terraced distinguishing is carried out on the reservoir bank hydro-fluctuation belt with the water level fluctuation, and plants are distributed based on biological characteristics of water resistance and dry resistance of plants, forest planting controllability, plant allelopathy, arbor-shrub-grass combining degree and arbor-shrub-grass soil conservation, washout prevention and slope protection ability in different growth spaces; life vitality of tree species is kept, a stable plant community is formed as soon as possible, the good protective effect is achieved on stabilizing tree species and avoiding external force impact, greening, slope protection and soil fixation are achieved, and the certain landscape effect is achieved.

The plant growing ball shaped porous concrete block is one prefabricated member comprising four parts with spherical cap top and truncated cone bottom arranged symmetrically about the central conic hole. The block is made of the material comprising cement, crushed stone, mineral additive and high performance water reducing agent, and the making process includes stirring in stirrer, and forming through pressing, vibrating or pounding. It has high porosity, high strength and high erosion resistance, and owing to its good water penetrating and air permeability, some plant with proper root system can grow therein.

An ecological drainage method for purifying and decreasing rainwater runoffs on expressways comprises the following steps: designing drain ditches on two sides of an express way into structures havinginfiltrate-storing, purifying and draining functions, providing pebble shallow ditches, in natural lap joint with the expressway, on two sides of the expressway so as to intercept and filter particulate pollutants in pavement rainwater runoffs and reduce erosion of the pavement rainwater runoffs upon subsequent measures; setting a vegetation filter belt, in linkage with each pebble shallow ditch,beside the pebble shallow ditch to perform vegetation filtering and absorbing of rainwater, soil absorbing and permeating, and microbial degradation; setting a depression behind each vegetation filter belt. Expressway rainwater runoff quality can be further improved under the various actions such as physical action, chemical action and biochemical action, peak time of runoffs is extended, and peak value and runoff quantity are decreased. Expressway rainwater runoffs and pollution are effectively controlled from the source, and a feasible route to construct environment-friendly resource-savingexpressways is provided.

The invention discloses a perpendicular unsaturated flow and vertical deflection flow compounded constructed-wetland sewage treatment system, which comprises a pretreatment pool, an unsaturated-flow constructed wetland pool, a vertical-deflection-flow constructed wetland pool and a surface-flow constructed wetland pool, wherein the pretreatment pool, the unsaturated-flow constructed wetland pool,the vertical-deflection-flow constructed wetland pool and the surface-flow constructed wetland pool are communicated in sequence; the heights of the pretreatment pool, the unsaturated-flow constructedwetland pool, the vertical-deflection-flow constructed wetland pool and the surface-flow constructed wetland pool are decreased in sequence. The perpendicular unsaturated flow and vertical deflectionflow compounded constructed-wetland sewage treatment system provided by the invention has high organic-matter treatment efficiency, obvious denitrification and dephosphorization effects, a low capital-construction cost and low running and management expanses, and is simple to operate and applicable to the treatment of a low-pollution water body.

The invention discloses an in-situ ecological purification module and system for polluted water treatment. The in-situ ecological purification module comprises a planting groove system, a suspended filler system and a fixed filler system. The planting groove system comprises a planting groove and a first filler, and hygrophytes or aquatic plants are planted in the planting groove system. The suspended filler system comprises a supporting frame, a second filler and a mounting auxiliary material. The fixed filler system comprises a gabion net and a third filler. The supporting frame is fixed in river sediment, the planting groove is formed in the top of the supporting frame, and the fixed filler system is arranged at the bottom of the supporting frame. The in-situ ecological purification module and the in-situ ecological purification system can be applied to in-situ water purification of a seriously polluted river channel or a broken river channel without water source supply, have an ecological landscape effect, adopt modular design, and are simple in structure and convenient to assemble, disassemble, transport and operate, maintain and manage.

The invention belongs to the field of water environment ecological management engineering, and relates to a lake ecological restoration technology, particularly to an ecological buffer zone with side-mounted bent wetland pond vegetation, and a construction method of the ecological buffer zone. The ecological buffer zone is of a step structure, and is sequentially provided with a moisture-resistantplant zone, a side-mounted bent wetland zone, a hygrophilous plant zone, a water collecting pond and a natural wetland zone from the upper end to the lower end of the step structure. According to theinvention, the vegetation ecological buffer zone with the side-mounted bent wetland pond has the effects of absorbing branch pollutants and upper land and ground source pollutants, also has a landscape effect, and is also suitable for water level change, and the influence of natural water level expansion elimination on the side-mounted bent wetland zone, the water collecting pond and vegetation is relatively small.

The invention relates to the technical field of ecological slope protection substrates, and specifically discloses a green ultralight crack-resistant polyvinyl alcohol substrate and a preparation method thereof. The preparation method comprises the following steps: (1) weighing raw material soil, and carrying out drying and sieving for subsequent usage; (2) adding a curing agent into sieved raw material soil, and carrying out uniform mixing; (3) adding water into a mixture obtained in the step (2), and carrying out uniform mixing under stirring; and (4) adding polyvinyl alcohol powder, polyvinyl alcohol fiber, a gelling agent, a filling material, an anti-foaming agent, a wetting agent, a preservative and a pigment into a mixture obtained in the step (3) according to certain addition amounts, and carrying out uniform mixing under stirring. The lightweight material provided by the invention guarantees the strength of a composite soil body to meet the ecological protection requirements of a slope, has the advantages of cracking resistance, impermeability, erosion resistance, ultralight weight, beautiful appearance and the like at the same time, reduces the load of a slope surface, can prevent slope protection plants from dying due to soil loss, provides a green element to the slope surface before vegetation germination, avoids visual fatigue caused by a dark substrate, and enables the slope surface to achieve a landscape effect.

The invention relates to a floating wetland for sewage treatment. The floating wetland is formed by splicing of a plurality of floating wetland planting frame units, wherein each floating wetland planting frame unit comprises a hexagonal frame and a filler inside the frame; every two opposite side surfaces of the frame are respectively provided with an insertion hole and an insertion protrusion; every two adjacent floating wetland planting frame units are connected through the insertion protrusions on and the insertion holes in the frames; and aquatic plant are planted on the floating wetlandplanting frame units. Compared with the prior art, the floating wetland of the invention has the advantages of simple structure, low manufacturing cost, convenient application and installation, strongstructural stability after installation, purification effect on a water body, and landscape effect presented by the planted aquatic plants.

The invention discloses a purification method of a eutrophic river. The method comprises the following steps: firstly intercepting a eutrophic river into an upstream part and a downstream part; subsequently, sending water in the upstream part into an electrolysis machine for electrolysis; and discharging filtered water into the downstream part after being filtered. According to the invention, an electrolysis treatment method is adopted, thereby effectively restraining growth of algae in the river, decomposing organic matters, reducing total nitrogen, total phosphorus and chromaticity, eliminating odor, and finally improving water quality of the river within short time so that an ecological system is recovered. The invention further discloses a water quality purification device which mainly comprises a dam, a water pump, the electrolysis machine and a filter. The device can be directly operated at river banks to directly purify river water, is not required for specially introducing the river to a preset building for treatment, has barely change on the environment, thus having smaller influence on the natural environment; and in addition, the structure is simpler, and the production cost is lower, thus being suitable for large-scale popularization and application.

The invention discloses an ecological bank protection module and system with an initial rain purifying function. The ecological bank protection module comprises an upper plant planting pool, a purifying pool arranged below the upper plant planting pool and a lower plant planting pol arranged on one side of the bottom of the purifying pool. The ecological bank protection system is formed by connecting the multiple ecological bank protection modules in series. The ecological bank protection module and system are simple in structure and convenient to assemble, demount, operation and maintenance management is convenient, the ecological bank protection module and system are applied to village and town regions incomplete in rainwater pipe network building, initial rainwater pollution can be effectively purified, and the bank protection function is achieved; and power is not needed, and a chemical agent does not need to be added.