46 results about "River restoration" patented technology

The invention provides a microbe-enzyme composite preparation used for restoring water in an urban and rural polluted river, and its preparation method. The urban and rural polluted river restoration microbe-enzyme composite preparation is characterized in that the microbe mainly comprises 30-60% of Bacillus licheniformis, 25-35% of a nitrobacterium, and 15-35% of pseudomonas putida; and the composite enzyme mainly comprises 40-60% of a protease, 15-25% of an amylase and 25-35% of a cellulase. The optimized microbe is compounded with the composite enzyme to prepare the microbe-enzyme composite preparation against water of different pollution degrees, the addition amount of the microbe is 1-5g / m<3>, and the addition amount of the composite enzyme is 0.01-0.05g / m<3>. The microbe-enzyme composite preparation is added to the urban and rural polluted river to carry out microbial reinforced restoration with aeration as an auxiliary measure, can effectively improve defects of low microbe metabolism activity, low environmental tolerance, short retention time in the polluted water and the like existing in the prior art, and has a substantial water purifying effect.

The invention discloses a method for using purified water sludge as a severely-polluted river sediment masking agent. The method comprises: a purified water sludge regeneration step that purified water sludge is burned to remove organic matters, microbes and the like in the purified water sludge to make the purified water sludge treat inorganic minerals comprising aluminum oxide and the like as main components; and a severely-polluted river restoration step comprising that the regenerated purified water sludge is covered on polluted sediments of water to be restored to physically separate the polluted sediments from covered water in order to inhibit the release of polluted sediment endogenous pollutants to the water, make polluters of nitrogen, phosphorus and the like in the water be absorbed by inorganic particulate substances treating metal oxides as main components and contained in the purified water sludge, and accelerate the migration of the polluters in the water to the sediments. According to the method, the resource utilization of an aluminum resource in the purified water sludge can be realized, the harmless treatment of the purified water sludge is realized, and the water restoration is completed without destroying the ecological environment of the water.

The invention relates to an evaluation method for a river ecological restoration effect. With the method, a problem of evaluation of a river ecological restoration effect to realize environment protection can be solved. According to the technical scheme, a restoration target of a river ecological system is set based on a river deterioration situation; a water ecological restoration effect evaluation indicator hierarchical structure model is constructed by using a frequency statistics method and a theoretical analysis method; weights of evaluation indicators are determined by using a group decision analytic hierarchy process; grading and standardization processing is carried out on the indexes of the evaluation indicators; an evaluation criterion of the river ecological restoration effect is formulated; and evaluation of a river restoration effect is carried out based on the evaluation indicators of the river restoration effect. The provided method is novel and unique and can be operated and used easily; and the effect is good. On the basis of evaluation of the restoration effect of the river, river control and ecological restoration can be guided; environmental protection can be realized; and the great economic and social benefits can be created.

The invention discloses a facultatively autotrophic sulfur oxidation denitrification rhizobium F43b and an application thereof. The Rhizobium sp. F43b<T> is preserved in China Center for Type Culture Collection (CCTCC) Wuhan University in Wuhan in China on March 30, 2016 with the preservation number of CCTCC NO:M 2016158. The Rhizobium sp. F43b<T> is facultatively autotrophic rhizobium with sulfur oxidation and denitrification functions, can remove COD, nitrates and sulfides from polluted water or deposits, realizes simultaneous removal of carbon, nitrogen and sulfur from the polluted water or deposits, and provides bacterial strains and microbial preparations for river restoration and carbon, nitrogen and sulfur wastewater treatment, and researches of the rhizobium provide theoretic guidance for river restoration and removal of carbon, nitrogen and sulfur.

The invention relates to a landscape river restoration system. The landscape river restoration system comprises a clay layer, a sand and gravel layer, a soil layer and an organic matter layer which are successively arranged on the surface of each river slope, and also comprises an ecological restoration blanket which is arranged on a river bed and used for restoring contaminated sediment, whereinthe surface of each organic matter layer is provided with a vegetation layer; each vegetation layer is successively provided with a drought-enduring plant layer, a waterlogging-enduring plant layer, ahydrophilous plant layer and an aquatic plant layer from top to bottom; and the ecological restoration blanket successively comprises a surface layer, a plant-growing layer, an adsorption layer usedfor adsorbing pollutants in water and a carrier layer from top to bottom. Compared with the prior art, the landscape river restoration system provided by the invention has the following advantages: byadoption of a layered design idea, different varieties of vegetation are designed according to plant growth characteristics, and the ecological restoration blanket is arranged at the bottom part of the river bed and can be covered on the sediment of a contaminated water body to isolate pollutants in the sediment from entering the water body, so the purpose of river restoration is achieved; the effect is significant; meanwhile, the landscape river restoration system provided by the invention has simple structure and low cost and facilitates large-area popularization and application.

The invention discloses an aeration system for river restoration in the technical field of river restoration, and aims to solve the technical problem in the prior art that an operating cycle and an aeration volume of micro-porous aeration are determined according to experience, deviation of aeration accuracy is large, the resource consumption amount is large, and the influence of water flow on oxygen diffusion and transfer is not fully considered in an aeration process. The aeration system comprises an aeration control module, wherein the aeration control module is connected with an aeration control center, a fan sends air to the aeration control module through a ventilation pipeline, the aeration control module sends the air to multiple aerators through ventilation branch pipelines, the aeration control module adjusts an aeration volume and an aeration time of each aerator, an aerator control module is arranged on each aerator, and the aeration control center controls the aerators through the aerator control modules. The system has small dependence on engineer experience, small energy consumption amount, and enhanced aeration effects, can adjust an aeration process in real time inaccordance with specific hydrological conditions, and realizes real-time monitoring of the aeration process.

The invention relates to the technical field of river channel restoration, and discloses an automatic device for river channel restoration. The tail end of a filter plate frame is movably installed in a supporting frame, a knocking roller rod is movably connected to the inner side of the bottom end of the supporting frame, and a sector plate is engaged with the inner end of the knocking roller rod; a movable rod is movably installed on the front surface of the sector plate, and the top end of the movable rod is movably installed on the rear surface of the gear disc. And the outer side surface of the gear disc is engaged with a toothed plate. When the supporting frame drives the tail end of the filter plate frame to move downwards, in the process that the filter plate frame inclines, a flow guide plate sweeps out surface sludge, meanwhile, a toothed plate at the bottom of the supporting frame is meshed with a gear disc to drive a sector plate at the bottom end of a movable rod to move downwards, the sector plate is meshed with a knocking roller rod through a tooth groove in the surface, and the knocking roller rod continuously jars the filter plate frame; the whole device is driven by water flow, a large amount of sludge contained in the river channel water flow can be effectively removed, and river restoration is more thorough.

The present invention relates to a town river course water quality management method, and belongs to the technical field of water resource protection. In the prior art, a lot of domestic sewage is discharged into town river courses, such that the water body seriously lacks in oxygen, the water is smelly and darkens, the air and the water body environment are seriously polluted, and the urban landscape image is damaged; and the current technology can not completely control the condition, the ecological restoration time is long, the effect is not obvious, and other problems exist. A purpose of the present invention is to solve the technical problems in the prior art and provide a special purification method for the serious town river course water pollution, wherein the river course sludge characteristics are utilized, the dispersant and the flocculant are added and the oxygenation effect is used so as to achieve the river restoration purpose and improve the urban landscape image.

The invention discloses a determination method for a low-water ecological restoration project layout of a straight stream channel, and belongs to the technical field of ecological river restoration. According to the technical scheme, the determination method for the low-water ecological restoration project layout of the straight stream channel is characterized by comprising the following steps that 1, a flow mathematic model is built; 2, low-water ecological restoration stream channel water flow characteristics are calculated; 3, the low-water ecological restoration project plane layout is analyzed and determined; 4, the influence of a low-water ecological restoration project on draining flood is verified. According to the determination method for the low-water ecological restoration project layout of the straight stream channel, on the basis of analyzing a winding river morphological characteristic empirical formula under the natural condition, numerical simulation is utilized, the plane layout is supplied to the low-water ecological restoration project design of a large number of existing straight stream channels with limit space, and the method is scientific and reasonable.

The invention relates to the technical field of river restoration, and discloses a sludge extraction device used for river restoration based on the Bernoulli principle. The sludge extraction device used for river restoration based on the Bernoulli principle comprises a ship body, an extraction head comprises a first arc groove, a rectangular magnet, a hanging ring, a second arc groove and an annular groove, the outer side of the lower portion of the extraction head is provided with a grid plate, the inner side of the middle of the extraction head is connected with a rotating ring, an inclinedfan is arranged on the inner wall of the inner side of the rotating ring, convex balls are arranged on the outer side wall of the rotating ring, the inner part of the extraction head is connected witha swing rod, the spherical magnet is arranged at the inner side end of the swing rod, a spiral thread is arranged on the upper end face of the rotating ring, and the inner side end of the guide rod is connected with a plugging plate. According to the sludge extraction device used for river restoration based on the Bernoulli principle, a fluid pushes the inclined fan to drive the rotating ring torotate, the rotating ring drives a sliding rod to extend outwards through the convex balls, the sliding rod pushes the swing rod so that cleaning impurities on the outer side of the grid plate can becarried out, and the structure solves the problems that the existing river sludge extraction device cannot perform cleaning to the impurities and the cleaning position cannot be changed.

The invention discloses an urban inland river restoration system based on continuous flow injection, which comprises an intelligent control unit, an air injection aeration unit, a circulating filtration and conveying unit, and a plant purification unit; the intelligent control unit is used for controlling the degree and speed of water treatment; the air injection aeration unit is used for enhancing the effect of microbial decomposition by injecting oxygen; the circulating filtration and conveying unit is used for filtering and adsorbing impurities in water and carrying out recycling by cleaning a filtering and adsorbing pad through a water torch; the plant purification unit is used for treating dirt after cleaning, and thereby the objective of urban inland river restoration is achieved. The invention has the comprehensive effect of intelligent control, wide application range, recyclability, urban inland river restoration and living environment beautification.

Belonging to the technical field of river restoration, the invention discloses an oxygenation type in-situ water quality improvement device and method for river water environment restoration. The device mainly comprises a water quality improvement box, a negative pressure oxygenation component, a submersible pump, an intelligent control component and a power supply. Water in a river channel can bepumped into the water quality improvement box on the surface layer of the water through the negative pressure oxygenation component for oxygenation treatment, and the problem of high energy consumption due to the fact that existing aeration oxygenation can only be conducted at the water bottom of the river channel and needs a large air compressor to provide high-pressure air pressure is solved. The interior of the water quality improvement box is divided into the multiple negative pressure cavities, and the upper end of each negative pressure cavity is provided with a negative pressure suction sleeve, negative pressure is generated in corresponding negative pressure cavities through the multiple negative pressure suction sleeves, and compared with the mode that negative pressure is generated in the whole water quality improvement box, the efficiency of negative pressure generation by the sub-cavities is higher, and the working efficiency is higher.

The invention discloses an oxygenation device for river restoration, which comprises a water pump, a venturi mixing pipe and an air inlet pipe which are arranged in a river channel. A water outlet ofthe water pump is connected with the water inlet end of the venturi mixing pipe through a water outlet pipeline, and one end of the air inlet pipe is connected to the pipe wall of the water inlet endof the venturi mixing pipe. According to the invention, water is pumped into the venturi mixing pipe through the water pump; meanwhile, air in the environment is pumped into the venturi mixing pipe tobe mixed and oxygenated; and finally, the water is sprayed out through the water outlet end of the venturi mixing pipe, so that river water in a river channel is oxygenated, organic pollutants in thewater are conveniently repaired, and the phenomena of oxygen deficiency of the water body and rotting and stinking of organisms in the water due to the fact that organic matters consume dissolved oxygen in the water are avoided.

The invention discloses a riverway ecological restoration control system which comprises a data acquisition module, a data preprocessing module, a data storage module, a PLC control processing module, a riverway ecological restoration module, a river water pollution treatment module, a river bottom sludge treatment module and a riverway restoration monitoring module; and the data acquisition module transmits acquired information to the PLC control processing module through the data preprocessing module and the data storage module, and the PLC control processing module respectively controls the riverway ecological restoration control system, the river water pollution treatment module, the river bottom sludge treatment module and the river restoration monitoring module according to the processed and analyzed information. The invention aims at providing the riverway ecological restoration control system which is good in riverway ecological restoration effect, high in intelligent degree, diversified in function, high in safety and high in reliability, and the labor cost is greatly reduced.

The invention provides a black and odorous river branch repairing system and application thereof, and relates to the technical field of black and odorous water body treatment. The black and odorous river restoration system comprises an ecological floating island and an electrode electrolysis device arranged in sludge at the bottom of the black and odorous river, wherein the ecological floating island treats pollutants in a water body of the black and odorous river through a floating island platform. The electrode electrolysis device is used for electrolyzing and removing bottom mud pollutants in the black and odorous river. Meanwhile, the ecological floating island further comprises an electric energy control system arranged on the water surface, and the electric energy control system can provide energy for the black and odorous river branch repairing system. According to the black and odorous river repairing system, through mutual cooperation of all the units, various pollutants in bottom mud can be degraded through an electrolytic method while the black and odorous river water body is treated, then the water body treatment process and the bottom mud electrolysis process are combined, and the technical effect of synchronously treating the overlying water body and the bottom mud of the black and odorous river is achieved.

The invention discloses a heterotopic nitrogen and phosphorus removal river restoration device and method. The device comprises a high-load biological nitrogen removal assembly, a coagulant reaction assembly, a magnet loading augmented reaction assembly, a sedimentation tank and a magnetic powder separating assembly which are arranged in sequence, wherein the high-load biological nitrogen removal assembly comprises a denitrification anaerobic pond and a denitrification aerobic pond which are arranged in sequence; the coagulant reaction assembly comprises a coagulant reaction pond and a dosing assembly; the magnet loading augmented reaction assembly comprises a magnet loading augment reaction pond and a magnetic powder adding assembly; a water inlet of the magnet loading augment reaction pond is connected with a water blowing hole of the coagulant reaction pond; a water outlet of the magnet loading augment reaction pond is connected with a water inlet of the sedimentation tank. By adopting the device and the method, the defects formed naturally on a river are overcome; the restoration device is placed at a proper device on a shore side; the river restoration method is suited to local conditions; the device and the method have the advantages of efficient treatment of river water, reduction in floor space, saving in investment, easiness in running and operation, efficient treatment and low treatment cost.

The invention relates to riverway phosphorus restoration, and in particular, relates to a functional filler for repairing phosphorus in riverway and a preparation method of the functional filler. Thefunctional filler comprises the raw materials: polyurethane filler, lanthanide-series metal chloride and ferric chloride; the lanthanide-series metal chloride and the ferric chloride are mixed, then the polyurethane filler is soaked in the mixed solution, taken out, subjected to cold drying, dried, cleaned and dried again, and the functional filler is obtained. The prepared functional filler lanthanide is combined with an easily available iron element and a polyurethane filler with a huge specific surface area for synergistic phosphorus removal, and the phosphorus removal rate of river restoration is remarkably increased; meanwhile, the filler is renewable, the cost of a phosphorus removal material is reduced, adsorbed phosphorus-containing substances can also be collected, and recycling of resources is achieved.

The invention provides an ecological sinking bed for slow flow river restoration. The ecological sinking bed is of a right triangle structure, and the hypotenuse of the ecological sinking bed is located on one side of the river bank of a river and arranged along the river bank; a first right-angle side of the ecological sinking bed is arranged at the upstream of the river, and a preset angle is formed between the first right-angle side and the river bank; and a second right-angle side of the ecological sinking bed is arranged at the downstream of the river. According to the invention, the ecological sinking bed is designed into a right triangle shape, the hypotenuse is fixed to one side of the river bank, the first right-angle side is arranged at the upstream of the river and forms a preset angle with the river bank, river water on the upstream face plays a role in drainage, water flow is guided to the river channel main groove, and therefore impact of the water flow on the sinking bedcan be reduced, the sinking bed structure is kept stable, and scouring of the river water to the river bank is relieved; and the second right-angle side is arranged at the downstream of the river toform a slow flow or a still water area, so that the aquatic organisms can find food, rest and avoid risks, and the ecological sinking bed can induce water flow to be in a bent form to promote formation of a zigzag form of river deep pool-shoal staggering.

Disclosed is a canalized river restoration system. The canalized river restoration system is composed of a river restoration device and a server, wherein the river restoration device comprises a control rack and a control chip; the control rack is composed of two bank units, two bed units and a bottom unit, both ends of the bottom unit are connected with the two bed units, and the two bed units are connected with the two bank units; both ends of the two bed units are provided with distance sensors which are connected with the control chip; the server comprises a storage unit, an analyzing unitand a communication unit. The canalized river restoration system ensure that water inside hardened rivers can penetrate into bank soil, thereby not only solving the problem of flood discharge, but also ensuring completeness of a river ecosystem and improving the self-cleaning capability of rivers.

The invention relates to a method for evaluating the effect of river ecological restoration, which can effectively solve the problem of evaluating the effect of river ecological restoration and is beneficial to environmental protection. method and theoretical analysis method to construct the hierarchical structure model of the evaluation index of water ecological restoration effect, and at the same time adopt the group decision-making analytic hierarchy process to determine the weight of the evaluation index, and accordingly classify and standardize the index of the evaluation index; formulate the river ecosystem The evaluation standard of restoration effect; through the evaluation index of the restoration effect of the river, the restoration effect of the river is evaluated. The method of the present invention is novel and unique, easy to operate and use, and has good effect. Restoration is conducive to environmental protection and has huge economic and social benefits.

The invention relates to a polluted river restoration and maintenance system, which comprises a shore-based interception purification area, an ecological culture area, an ecological planting area anda natural functional area. The shore-based interception purification area is disposed both river banks, and consists of a sub-normal water level plant zone, a plane zone between the normal water leveland a flood level, and a plant zone above the flood level. The ecological culture area is disposed in the river and is constructed according to the natural shape of the river, and consists of an upstream debris-retaining dam, surface aerators, a biological carrier, a microbial agent feeder, a downstream storage dam, an interception net, and a solar and wind power generation device. The ecologicalplanting area is disposed in the river and is constructed according to the natural shape of the river, and is internally equipped with a plant floating bed. The water area except for the ecological culture area and the ecological planting area of the polluted river is set as a natural functional area, and the natural functions of the river itself are utilized for self-purification of the river water and propagation of organisms.

The invention discloses a system and method for remediating soil by using rivers and belongs to the technical field of soil remediation. The system comprises a high-position water channel, a water distribution channel, a restoration inclined bed, a filter wall, a filtrate treatment channel, a wetland plant channel, a water pump, a water pipe and a riverbed. A river beach and the riverbed of the river are transformed into a soil remediation device, construction is easy and convenient, cost is low, management is convenient, and the environment is beautified. Polluted soil, coal gangue and fly ash are used as raw materials, a sintering process is adopted to prepare the environment-friendly brick, toxic and harmful substances are solidified in a solidified body in the sintering process, and after sintering and solidification, the leaching rate of heavy metal is far lower than the national standard; therefore, sintering resource utilization is carried out on the polluted soil, the coal gangue and the coal ash, harm of the polluted soil, the coal gangue and the coal ash to the environment can be avoided, resources can be fully utilized, and waste is turned into wealth.

The invention discloses a multi-level modular plant ecological restoration construction method. The method comprises the following steps: S1, investigating the habitat of a riverway; S2, screening plant species; S3, building an ecological restoration zone; S4, building a plant fiber blanket band; S5, planting submerged vegetation on the riverway; S6, planting waterfront plants on the riverway; S7,recovering vegetation on the riverway; and S8, carrying out post-planting management on the riverway vegetation. According to the multi-level modular plant ecological restoration construction method,plants are convenient to maintain and manage in the later period, a large amount of energy is not consumed or the maintenance cost is not increased in the management period, the pollution resistanceof river restoration species is high, the self-cleaning capacity of a river can be remarkably improved, and adverse effects on the ecological environment are avoided; the research and development content of the project breaks through a traditional vegetation ecological restoration technology, while the remarkable effect is achieved, the ecological environment is beautified, the aesthetic degree ofthe urban coastal environment is increased, and good social and economic benefits are achieved.

The invention discloses a method for constructing an ecological riverbed by using an artificial biological membrane. The method comprises the following steps: A, preparing an artificial biological membrane product for river restoration; B, implementation the artificial biological membrane on an ecological riverbed: for the riverway water shallow area, laying the selected artificial biological membrane on the riverbed by adopting a membrane type artificial biological membrane, and fixing the membrane on the riverbed through a connecting buckle; for a river channel deepwater area, connecting theartificial biofilms in series and hanging the biofilms, and submerging the artificial biofilms under the water surface after being connected in series, and putting a granular artificial biological membrane at the bottom of the riverway. The invention mainly aims to solve the problems of high flowability of river water, large water level change of some rivers, tidal influence and the like in pollution prevention and treatment. An artificial biological membrane is adopted as a core technology for constructing an ecological riverbed, so that the purposes of improving the riverway purification efficiency and reducing sediments are achieved, the problems of large riverway water body flowability, tidal influence and water level change are solved, the water body purification capacity is improved, and the ecological restoration target is achieved.

The invention discloses a method for repairing a river in a small watershed, comprising the following steps: S1, salvaging the solid waste deposited in the river, and removing non-degradable impurities in the bottom mud of the river; S2, putting adsorption microspheres into the river, Stirring, standing still, removing the adsorbed microspheres; S3, throwing modified clay and compound bacteria into the river; S4, planting submerged plants. The small watershed river restoration method of the present invention improves and activates the bottom mud of the river by combining chemical adsorption and microbial purification, and at the same time, by planting submerged plants as pioneer plants, the ecological restoration of small watershed rivers is realized, with low cost , good purification effect and other advantages, suitable for large-scale promotion and application.

The invention provides a river restoration wetland system, which comprises an algae removal assembly, a filter assembly and a main body assembly, the algae removal assembly comprises a first conveyor belt driven wheel, a conveyor belt, a baffle plate, a second conveyor belt driven wheel, a conveyor belt driving wheel and a motor; the main body assembly comprises a ship body, a first supporting column, a first supporting plate, a second supporting column, a base and a supporting block, and the first supporting plate is welded to the middle of the upper surface of the ship body; a motor drives a conveyor belt driving wheel to rotate, the rotating conveyor belt driving wheel drives a first conveyor belt driven wheel and a second conveyor belt driven wheel to rotate through a conveyor belt, and the rotating second conveyor belt driven wheel conveys algae to a ship body through a baffle, so that algae salvage work is completed, and the situation that water is polluted by algae is avoided; therefore, the purpose of water purification is achieved, the algae cleaning effect is improved, the work efficiency of algae removal and water purification is improved, and meanwhile secondary pollution of water is avoided.

The invention discloses an oxygenation type in-situ water quality improvement device and method for restoring the water environment of a river course, and belongs to the technical field of river course restoration. The device mainly includes a water quality improvement box, a negative pressure oxygenation element, a submersible pump, an intelligent control element, and a power supply; through the negative pressure oxygenation element, all the water in the river can be pumped to the water quality improvement box on the surface of the water body for oxygenation It solves the problem that the existing aeration and oxygenation can only be carried out at the bottom of the river, which requires a large air compressor to provide high pressure air pressure, resulting in high energy consumption; by dividing the water quality improvement box into multiple negative pressure chambers, Moreover, a negative pressure suction sleeve is provided at the upper end of each negative pressure chamber, and multiple negative pressure suction sleeves are used to generate negative pressure in the corresponding negative pressure chamber. Compared with generating negative pressure in the entire water quality improvement box, the sub-chamber The efficiency of the negative pressure generated by the body is faster and the work efficiency is higher.

The invention belongs to the technical field of an environment protection technology, and particularly relates to a method for repairing the water quality of river based on a system coupling mode. According to the method, a river bank vegetation belt system, a multifunctional pond system and a riverway bottomland micro-landform transforming system can be organically coupled with one another, so that a coupling match system can be formed. Compared with a single subsystem, the coupling match system is more complex in inner tissue and more reasonable in structure, and has the functions of strengthening the whole function of the system and amplifying the whole benefit of the system; and the water quality of the river, the structure of a river ecosystem, the quality of the biological habitat and the whole current situation of the biological environment can be effectively improved, and the physical, chemical and biological integrity of the river ecosystem can be enhanced, so that the methodis a river repairing mode 'which is near to the nature, multifunctional, high in benefit and sustainable'. The water resource can be sufficiently used, the economic benefit can be increased, and the contradiction between the environmental protection and the economic growth in the wide rural area can be effectively remitted.

The invention provides an ecological sedimentation bed used for the restoration of slow-flowing rivers. The ecological sedimentation bed is a right-angled triangle structure, and the hypotenuse is arranged on one side of the bank of the river and along the river bank; the first right-angled side of the ecological sedimentation bed is arranged on At the upstream of the river, the first right-angle side is set at a preset angle with the river bank; the second right-angle side of the ecological sedimentation bed is set at the downstream of the river. In the present invention, the ecological sinking bed is designed as a right-angled triangle shape, and the hypotenuse is fixed on one side of the river bank. Leading to the main channel of the river, so as to reduce the impact of water flow on the sedimentation bed, maintain the stability of the sedimentation bed structure and slow down the erosion of the river bank by the river; the second right-angle side is set at the downstream of the river to form a slow flow or still water area, which is beneficial to aquatic life. Biological foraging, resting and avoiding danger, this ecological sedimentation bed can induce the water flow to take a curved form, and promote the formation of a meandering form of deep pools and shoals in the river.