238 results about "River regulation" patented technology

The invention discloses a water purifying device for river regulation. The water purifying device comprises a hull; a rotating base is fixedly connected with one side of an inner wall of the hull; a support frame is fixedly jointed on one side of an outer wall of the hull on a position corresponding to the rotating base; a collecting device is in rotatable connection with the center of the rotating base; a guide plate is in rotatable connection with one end of the support frame away from the hull; support bases are fixedly connected with the top of the hull on the two sides of the middle partof the hull; rotating rods are in rotatable connection with the centers of the support bases; floating cleaning boxes are in rotatable connection with one end of the rotating rods away from the support bases; self-priming pumps are fixedly connected with the top center of the hull on the positions corresponding to the support bases; a support plate is fixedly jointed between the two opposite sidesof the inner wall of the hull; a filtering device is fixedly connected with the top of the support plate. The invention relates to the technical field of river regulation. The water purifying devicefor river regulation is capable of solving the problems of low working efficiency and high labor intensity of manual salvage and is capable of cleaning phytoplankton and oil contamination on water surface.

The invention discloses an ecological stone cage net box retaining wall and a construction method. The ecological stone cage net box retaining wall comprises a plurality of stone cage net boxes, wherein the stone cage net boxes are mutually connected together, stones with different sizes are arranged into the stone cage net boxes to form a water blocking wall, and the back side of the wall body is provided with a soil filling layer. The ecological stone cage net box retaining wall has the advantages that special steel wires which are specially treated by a factory are used as material, the material is sheared by special equipment, and then is manufactured, connected and assembled into unit stone cage net sheets, the unit stone cage net sheets are collected and transported to the construction site, and then are unfolded to form net boxes, the net boxes are connected together, the stones with satisfactory particle sizes are arranged into the net boxes, and the certain porosity is realized; the net boxes are piled in a layering way to form a complete and uniform masonry building with certain weight; the ecological stone cage net box retaining wall is suitable for soil blocking or water and soil conservancy projects of river regulation, municipal administration, transportation, water conversancy, garden landscapes, and the like, such as banks, dykes, weirs and protecting slopes.

The invention discloses a channel improvement construction method, and relates to the engineering construction technology. The problem that due to common channel improvement construction, the water depth of a channel is increased, and the channel danger is increased is solved. The method comprises the following steps of cofferdam construction, wherein in the length direction of a channel, waterproof cofferdams are sequentially arranged in the length direction of a channel to segment the channel; channel dredging, wherein starting from the upstream of the channel, water and sludge in a dredgingsegment are sequentially discharged into the next dredging segment, and after sludge is cleaned, a river bed needs to be backfilled and reinforced; and channel recovering, wherein after the channel is cleaned and improved, the cofferdams are dismounted, and river water flowing is recovered. The method has the advantages that backfilling and reinforcing after dredging can recover the depth, descending due to dredging, of the channel, the channel can keep safe depth, through renovation, the river bed is more flat in topography, after a person falls in water, the person cannot be tangled by theriver bed complex topography easily, and the construction method can reduce danger of the channel.

The invention discloses a floating type microbiological treatment device for river regulation and an application method thereof, belonging to the technical field of riverway microbiological treatment.According to the floating type microbiological treatment device for river regulation and the application method thereof, the floating type microbial treatment device comprises a treatment box provided with a floating mechanism at the top end and a microbial carrier rotationally installed in the treatment box; the treatment box with the floating mechanism is put into a riverway; a floating ball plays a role in floating and positioning of the whole device; the treatment box is mainly used for carrying out adsorption treatment on suspended matters in the riverway; during wastewater treatment, sewage is subjected to primary treatment and secondary treatment through a screen and an activated carbon adsorption layer; the screen is used for blocking large floating objects, the activated carbon adsorption layer is used for adsorbing large particulate matters in water, the microbial carrier in the treatment box is used for effectively decomposing harmful substances which are difficult to decompose in the sewage having undergone secondary treatment, and through the sequential three-stage treatment of the sewage, sewage treatment effect is effectively improved.

The invention relates to a configuration method of a river bank forest belt beneficial to river ecological landscape protection and prayer flag suspension, belonging to the field of a river regulation project. A region A is arranged within the 6-7 meters range far away from the river bank of a minor bed on a flood bed, reeds are planted inside the region A, and arbors are transplanted on the flood bed outside the reed region; a community facility area B is set; nursery-grown plants with breast diameters of 3.0-5.0cm are selected to be transplanted in a region C; and low herbs are planted below the arbors. The configured method has the beneficial effects that both Tibetan culture and river ecosystem protection are considered; a ecology theory and Tibetan culture inheritance requirements are brought into the design of the river ecological engineering while preventing the river bank from being corroded: a river bank forest belt based on the river ecological protection is designed firstly, and the prayer flags suspension is considered so as to meet the requirement of the Tibetan cultural inheritance; the river bank forest belt region is also in favor of the prayer flags suspension, and simultaneously, an arbor-shrub-herb river ecological system structure integrating culture inheritance, ecology shore protection and landscape enjoyment is created; and the long standing of Tibetan culture is ensured while promoting the forward succession of the river bank ecological system.

The invention discloses a riverway ecological decontaminating type square frame body and a construction, combination and dam fending method thereof. The frame body is formed by assembling a precast reinforced concrete pole and elastic filter ball biological filter. Multiple riverway ecological decontaminating type square frame bodies are overlapped together and fixed in a form of pilling, so that the combination is fixedly placed above a river bed in the direction that the axial line of the combination and the flow line of water form an included angle of 110-120 degrees, and the length of a dam body meets the fact that the ratio of the projected length of the dam body in the direction vertical to the direction of water flow to stable river width is less than 0.3. The frame body disclosed by the invention can be used for stabilizing a bank slope, protecting the river bed, reducing the flow speed and trapping silt, has a better management effect on a high silt-content water body, has a better purification effect on the water body, is favorable for improving the water environment quality, can be used for constructing diversified river bank rest environments, is favorable for repairing an ecological system, is suitable for river realignment of different scales, has lower manufacturing cost, is simple to manufacture, and is relatively convenient to construct, maintain and manage.

The invention provides a tide-sensitive river network water environment treatment method based on an MIKE model, and the method comprises the following steps: step 1, establishing a river network model based on MIKE, and improving the stability and precision of the model through a method of space step length control, terrain recheck and group gate assignment operation through a time sequence; step2, determining a water replenishing and activating scheme; and step 3, determining a water supplementing process and a water supplementing amount. Complex water flow characteristics of a tidal rivernetwork are used; an HD of an MIKE11 model is used; the AD module constructs a one-dimensional hydrodynamic force and water quality model; the model can directly determine the planned flow of the sluice and the pump station and the flow and concentration of a pollution source afflux point; outputting a water level process line of each section of the river and a process line of pollutant concentration; decision bases are provided for implementation and arrangement of water replenishing and flowing water and river regulation projects in a river network area, tidal power and existing sluice dispatching and water replenishing are fully utilized, the project operation cost is low, implementation is facilitated, river surges are connected into a whole, the river surge water environment is improved, and meanwhile flood regulation is facilitated.

The invention provides an ecological cleaning system used for river regulation, and the ecological cleaning system includes a grille pool, a regulating reservoir, a water distribution canal, constructed wetlands, a stabilization lagoon and a collecting well, which are connected in sequence; wherein, after being primarily filtered by the grille pool, the wastewater goes into the regulating reservoir to be regulated homogenously and averagely, the wastewater regulated by the regulating reservoir goes into the water distribution canal and then passes through in sequence the stair-stepping multistage constructed wetlands to be further filtered, the wastewater goes into the stabilization lagoon after being filtered by the multistage constructed wetlands to be purified, and the wastewater is discharged into a downstream water channel through the water well after being purified by the stabilization lagoon. The ecological cleaning system used for river regulation is short in cost and high in wastewater treatment efficiency, and the system beautifies the environment at the same time.

The invention relates to the technical field of flood prevention and river regulation of water conservancy construction technology, and particularly to a method for rapidly plugging dike breach. The method is characterized by constructing a rope bridge in the dike breach and forming a fence in the dike beach by a rope and a screw anchor. An operator stands on the rope bridge, throws and fills sand bags in the dike beach in front of the fence, the sand bags fall in the dike beach, so that the sand bags are filled in the dike beach rapidly; the fence is functional in effectively protecting the sand bags from being washed away by water, thereby plugging the dike beach rapidly. The method disclosed by the invention is suitable for rapidly plugging the dike breach, and can be applied to damming when hydropower stations are constructed.

The invention discloses a sewage purification process for lake and river regulation. A filtering tank is mounted at the top of an adsorption tank; a tank cover is arranged at the top of the filteringtank; a tank gate is mounted on the front side of the adsorption tank through bolts; a sealing gasket is arranged at the connecting part of the adsorption tank and the tank gate; the adsorption tank is positioned above a sterilization tank; the adsorption tank is mounted at the top of a support rack; the sterilization tank is mounted in the middle of the support rack; the adsorption tank communicates with the sterilization tank through a communicating tube; a feeding tube is arranged at the top of the sterilization tank; a water outlet tube is arranged at the bottom of the sterilization tank;and both the communicating tube and the water outlet tube are provided with valves. The sewage purification process has the advantages that integral purification operation of river sewage filtering, deodorization and sterilization is achieved, continuous production is achieved, and the river sewage purification efficiency is greatly improved.

The invention relates to an embedded type ecological block retaining wall, which comprises a concrete foundation, wherein the concrete foundation is provided with building blocks which are upwardly overlaid in parallel in the transverse direction, the front and the rear surfaces of the building blocks are parallel, guiding blocks are integrally connected and arranged on the lower portions of the rear surfaces of the building blocks, openings are arranged in the middle of the building blocks, grooves are arranged on the top portions of the building blocks, the building blocks are arranged on a construction foundation and are used as a first layer, building blocks are arranged on the first layer of building blocks and are used as a second layer, guiding blocks of the second layer of building blocks are closely abutted with the rear portions of the first layer of building blocks, are aimed to anchorage holes, and are inserted into anchorage bars, and the building blocks are repeatedly placed to a designed height. The embedded type ecological block retaining wall has the beneficial effects that the embedded type ecological block retaining wall is convenient and rapid to construct, excellent in whole stability, low in cost, environmentally friendly and practical, has excellent ecological effect, has excellent economic and social benefits, and has promotional value in engineering construction landscaping and river regulation.

The invention discloses a water plant removing device for river regulation. The water plant removing device comprises collection tanks and a ship body, wherein a ship board is fixed on the upper end surface of the ship body; the collection tanks are fixed on the upper end surface of the ship board; one side surface of each collection tank communicates with a water pumping pipe; one end of the water pumping pipe getting far away from the collection tank communicates with a water pipe; a second motor is mounted on one side surface of each collection tank getting far away from the water pipe; each second motor is rotationally connected with a second rotating shaft; turbine fan blades are mounted on each rotating shaft; a first rotating shaft is disposed in each water pipe; the upper end of each first rotating shaft is rotationally connected with a first motor; first turbine fan blades are arranged in a position where each first rotating shaft is close to the bottom; a filter net is arranged on a position where the interior of each collection tank is close to a water pump; a third motor is fixed in a position where the upper end surface of the ship board is close to the external side;the bottom of each third motor is rotationally connected with a rotating shaft; cutting blades are evenly arranged on each rotating shaft. The water plant removing device for river regulation can fully and automatically cut and recover water plants.

The invention belongs to the technical field of hydraulic engineering and discloses a method for identifying river segment blocking performance characteristics and classifying blocking degrees. The method comprises the steps that the continuous length of the cross sections, with the river facies coefficient smaller than 4, in blocking performance river segments is 3,200 m or above, and the standard deviations of the river facies coefficients of all the cross sections under different water levels are smaller than 15; the critical hanging length of upper-layer cohesive soil of river banks of theblocking performance river segments is not larger than the back-flushing distance of lower-layer sandy soil, the total stability of the bank slopes is high, and single-side or double-side large-rangeriver bank collapse cannot occur. For the transitional river segments converted from non-blocking performance to blocking performance, the regulation measures are adopted for removing the causes of damaging the blocking performance, and the effect of the blocking performance river segments is possibly created; for the transitional river segments converted from blocking performance to non-blockingperformance, the situation is avoided that the blocking performance is lost due to bad change; for long river segments among the non-blocking performance river segments, systematic planning and regulation are conducted from top to bottom for river regulation, and it is guaranteed that the upstream and downstream river regimes are smoothly connected; for the blocking performance river segments, the natural blocking performance of the river is prevented from being damaged by man-made engineering.

The invention discloses a dredging device for municipal river regulation and a utilization method. The dredging device comprises a vehicle bottom plate, and rollers are mounted at the four corners ofthe bottom of the vehicle bottom plate; a collection box of which the top is open is fixedly mounted at the top of the vehicle bottom plate; a side plate is fixedly mounted at the top of the vehicle bottom plate; the side plate is positioned on one side of the collection box; a cross plate which is positioned above the collection box is fixedly mounted on one side of the side plate; a moving groove is formed in one side of the cross plate; a rectangular plate is mounted in the moving groove in a sliding manner; a rack is fixedly mounted at the top of the rectangular plate; a mounting hole is formed in the top of the cross plate; the mounting hole communicates with the moving groove; and a gear is rotatably mounted in the mounting hole. According to the dredging device, the position of a dredging head is convenient to adjust, different positions of a river channel are convenient to dredge, the dredging device self is convenient to move through the rollers, flexibility during utilizationis improved, sludge and water are quickly separated, and follow-up treatment of sludge is facilitated.

The invention discloses a construction technology for a concrete filled steel tube mold bag pile compound retaining structure. The construction technology is characterized by comprising the following steps: (1) surveying and setting out; (2) vertically forming a hole; (3) manufacturing and mounting a steel tube; (4) manufacturing and mounting a grouting tube; (5) manufacturing and mounting a water draining system through a mold bag; (6) performing a grouting construction process. According to the construction technology for the concrete filled steel tube mold bag pile compound retaining structure, the problems that the construction field is narrow, the large-scale equipment close to the surrounding constructions is difficult to be carried into the field for construction, the influence on the surrounding constructions is great in the implantation process and especially the shallow basis of the constructions is influenced in the processes of river regulation and bank construction can be solved, and meanwhile, the quickening of the project progress is benefited, the project cost is lowered, a protecting layer meeting the code requirement is formed in the manner of wrapping the steel tube with a recycled material concrete through mold bag grouting and the problem of the steel tube corrosion resistance of the concrete filled steel tube in the foundation basis application process can be solved.

The invention discloses an economic optimization design method for river regulation for urban landscape. The economic optimization design method includes steps of firstly, analyzing whether functions of river reaches meet requirements or not for current river sections according to data of sectional structures of the various river reaches, and determining the river reaches required to be regulated and sectional regulation patterns of the river reaches; secondly, determining decision variables according to the sectional regulation patterns, determining constraint conditions according to a plan and standards, and building an economic optimization mathematical model for river sectional regulation; and thirdly, performing analog computation for the mathematical model by an optimization algorithm and acquiring preferred values of the decision variables. A river regulation gain is used as an objective function of the mathematical model. The economic optimization design method has the advantages that the mathematical model coupled to various regulation objects in terms of hydraulic power, landscape, ecology and the like is built, the optimal decision variable values are acquired via the analog computation by the aid of a computer, accordingly, the regulation gain is maximized, and the economic optimization design method is suitable for planning and designing river regulation for urban landscape.

The invention discloses a river mud factorization solidification treatment method, and belongs to the technical field of river regulation. The method comprises the following steps of 1, mud collection, 2, solid and liquid separation and 3, mud and sand solidification. According to the technical scheme, river mud can be rapidly cleaned out and solidified through an efficient treatment device, so that a river is dredged efficiently, various excellent effects are obtained, the technical problems that the mud treatment cost is high in the existing river dredging process and the environment is affected in the mud and sand conveying process are solved, industrial operation can be achieved, and the method is widely applied to large-scale factorization mud treatment.

The invention relates to the technical field of environment friendliness, in particular to a rubbish finishing device for river regulation. The device comprises a rack, a fishing rod is arranged on the rack, a fishing net is arranged on the top of the fishing rod, the fishing rod comprises a fixed main pipe, a front-arrangement casing rod is arranged on the top of the fixed main pipe, a thread rodis arranged at the rear end of the front-arrangement casing rod, the thread rod is arranged in an inner cavity of the fixed main pipe in a penetrating manner, an inner thread sleeve is arranged in the fixed main pipe, the thread rod is in threaded wedging with the fixed main pipe, the fishing net is arranged on the top end of the front-arrangement casing rod through a fixed block, the two ends ofthe fixed block are provided with outer supporting rods through movable bolts, arc rods are arranged on the ends of the outer supporting rods, a pocket net is arranged on each arc rod, inner supporting rods are arranged on the inner sides of the outer supporting rods, and the ends of the inner supporting rods on the left and right sides are connected through fixed bolts. The whole is in semi-automatic work, the function is diverse, the work is rapid and convenient, stability is high, and work intensity of the person can be effectively reduced.

The invention discloses a method for determining a main dimension of a building in inland river channel improvement. The method comprises the following steps: selecting a cross section of a river channel and dividing the cross section into n flow belts with equivalent flow rate along the width direction of the river channel; determining a relational expression between the flow velocity of the flow belts and water depth; calculating to obtain the flow velocity, flow rate and water depth of corresponding flow belts before implementing the improvement; assuming the main dimension parameter of each building after implementing the improvement, and using assumed parameters to carry out analog computation to obtain total flow velocity change values and flow velocity values generated by all buildings at the corresponding flow belts after the improvement of a project is implemented; calculating the water depth of each corresponding flow belt after the improvement of the project is implemented; therefore, calculating to obtain the minimum value of the water depth of a dredged channel after implementing the simulated improvement of the project. If an absolute value between the minimum value of the water depth of the dredged channel and the difference of a designed waterway depth is less than or equal to a set threshold value, the main dimension parameter of the assumed building is set up; if not, the main dimension parameter of the assumed building is repeatedly assumed until the parameter is less than or equal to the set threshold value. The method is generally suitable for river regulation at a normal ford, a staggered ford and a bifurcated river reach.

The present invention belongs to the field of river regulation and river habitat restoring technology, and is especially one kind of porous habitat type ecological bank protecting block. The ecological bank protecting block has the structure including hollow concrete column, holes, filler, plant growing hole and bottom fish hole, and bayonet structure for interlocking. The present invention has the positive effect of restoring river habitat, and is suitable for young fish, aquatic plant and aquatic insect to grow.

The invention relates to a river regulation water demand determination method based on ecological water demand calculation. When the water demand is determined according to the determination method, the ecological target of a regulation project is clearly put forward by combining a regulation project target according to natural and hydrological conditions of a regulated river section, and the river water demand is divided into flow type water demand and consumption type water demand according to different properties of the river water demand. According to the method, the target demand of the river regulation project is taken into consideration in calculation, and the repeated calculation process is reduced, thereby being capable of providing an accurate water volume basis for planning an implementation scheme and a later-period water supplementing scheme for the project, and being capable performing simple calculation and determination on the river water demand for ensuring the river regulation effect in allusion to different hydrological conditions and different regulation targets.

The invention discloses a river regulation system, which comprises a filter tank, a mixed reaction tank, a biological cleaning tank, a first vegetation purification wetland, a second vegetation purification wetland, a sedimentation tank and a reservoir, wherein the filter tank, the mixed reaction tank, the biological cleaning tank, the first vegetation purification wetland, the second vegetation purification wetland, the sedimentation tank and the reservoir are arranged according to a river sewage treatment process, wherein filtering baskets are arranged in the filter tank and are respectivelya first-level filtering basket and a second-level filtering basket; a flocculant adding device is arranged out of the mixed reaction tank and is communicated with the mixed reaction tank; a slag discharging groove and a mixer area arranged in the mixed reaction tank; the biological cleaning tank comprises a composite microorganism aeration oxygenation device; the first vegetation purification wetland and the second vegetation purification wetland are both constructed wetlands and respectively comprises a border, a gravel layer, a medium sand layer and a fine sand layer, wherein the gravel layer, the medium sand layer and the fine sand layer are arranged in sequence from top to bottom. According to the river regulation system disclosed by the invention, the problems of low processing efficiency and large vegetation wetland land occupation of a traditional river regulation system can be solved; in addition, mixed reaction, biological cleaning and vegetation wetland purification are combined to form one set of river regulation system with low cost, high processing efficiency and stability in system operation.

The invention discloses a retaining wall structure, particularly discloses a retaining wall structure for sponge city construction, and belongs to the technical field of city landscape and river regulation structures. By means of the retaining wall structure for sponge city construction, water can be delivered to dams on the both sides of a river channel on rainy days, and water stored in the dams on the both sides of the river channel can be delivered to the river channel in case of water shortage in the drought period. The retaining wall structure comprises a concrete or slurry stone-laying retaining wall structure body, and further comprises a drainage system and a reverse water permeation system. The drainage system is arranged on the middle lower portion of the concrete or slurry stone-laying retaining wall structure body in the vertical direction. The reverse water permeation system is arranged on the middle upper portion of the concrete or slurry stone-laying retaining wall structure body in the vertical direction.

The invention provides a method for identifying the influence amplitude of river regulation on the water level by utilizing a leveling residual error, which comprises the following steps of: 1, eliminating the influence of backwater jacking, and determining a multi-year average water level-flow function relationship of a river section inlet; 2, calculating a water level residual error under the characteristic flow according to the actually measured flow water level value and the multi-year average water level-flow function relationship; 3, drawing a change graph of annual average water level residual error along with time under a specific flow level in the coordinate plane by taking the year as a transverse axis and the annual average residual error as a longitudinal axis, and identifyinginterannual characteristics of water level change under the specific flow level on the basis of the change graph, so as to obtain a water level accumulated amplitude [delta]Z from the Nth year to theMth year; 4, quantitatively analyzing the influence effect of riverbed erosion and deposition and roughness factors; and 5, repeatedly executing the steps 2-4 to obtain water level accumulated amplitude components [delta]Zb and [delta]Zr under each characteristic flow level caused by riverbed erosion and deposition and roughness adjustment, thereby determining the influence amplitude of riverway adjustment on the water level.

The invention relates to a mold bag concrete slope protecting structure and a rebar cage with an anchoring structure, and belongs to the field of geotechnical engineering. The mold bag concrete slopeprotecting structure and the rebar cage with the anchoring structure can be applied to fields such as water conservancy and hydroelectric engineering, municipal engineering and river regulation. The mold bag concrete slope protecting structure is combined with the rebar stone cage for use, the use time of mold bag concrete is prolonged, and the slope protecting ability of the mold bag concrete isenhanced. According to the mold bag concrete slope protecting structure, the mold bag concrete is fixedly arranged on a slope face of a side slope, the top of the mold bag concrete extends to the topface of the side slope, and the rebar stone cage is fixedly arranged in the position, located on the top face of the side slope, of the mold bag concrete; and the bottom of the rebar stone cage is provided with an anchor rod, and the anchor rod penetrates through the mold bag concrete and then is fixed in the side slope in an anchoring mode. The top of the rebar stone cage is provided with a grouting pipe, a whole is formed by dimension stones in the rebar stone cage and the mold bag concrete by grouting. The mold bag concrete extends from a slope foot of the side slope to a river valley, andfoot pressing is conducted by the extension part through the rebar stone cage.

The invention discloses an environmentally friendly duckweed fishing device for small river regulation. The environmentally friendly duckweed fishing device for small river regulation comprises a fishing boat, a movable rod and crushing gear supporting columns, wherein a fixing column is fixed on the surface of the left side of the fishing boat; a connecting rod penetrates through the surface of the top end of the fixing column; a limiting stopper is fixed at the top end of the connecting rod; the crushing gear supporting columns are fixed on the side walls of two ends of a fixing support plate; a drainage plate is mounted on the outer side of the top end of the fixing support plate; a storage box is arranged at the left end of the drainage plate; and a water inlet and a water outlet are separately formed in the head end and the tail end of the water outlet tube. According to the environmentally friendly duckweed fishing device for small river regulation, because the connecting rod isin threaded connection with the movable rod, a user assembles and disassembles the connecting rod and the movable rod conveniently, maintains the movable rod and a fishing net at the lower end of themovable rod conveniently, and then fishes duckweed in different regions of the river favorably, the duckweed fishing rate is increased favorably, and environmental protection is facilitated.

The invention discloses an urban river regulation system. The urban river regulation system comprises a clear water area, a sewage treatment system and a reclaimed water treatment system, wherein in the clear water area, an original river is adopted, an urban interior river is divided into a plurality of sections, a dam is constructed in each section for water storage, and drain holes (7) are formed in the bottom of each dam body (8); according to the reclaimed water treatment system, reclaimed water channels (1) are built in both sides of a river section between a reclaimed water drainage outlet and an inlet of a downstream reclaimed water collecting lake reservoir respectively, and a sewage collecting pipe (2) is arranged at the inner middle upper part of each reclaimed water channel (1); a connecting channel (6) connecting the reclaimed water channels (1) in both sides is arranged on the downstream side of each dam body (8); a guide valve (3) is mounted at a node (4) between the reclaimed water channels (1) of two river sections, and each reclaimed water channel (1) is connected with the connecting channel (6) through the guide valve (3); a multi-stage biological purification system is arranged at the downstream part of each reclaimed water channel (1). The urban river is regulated by using a sectional regulation method, a water separation regulation method, a both-side communication method and a three-water shunting method, the water quality of the river is effectively improved, and the charm of the urban river and the urban image are improved.

The invention relates to the technical field of river regulation, and particularly relates to a malodorous black river comprehensive improvement and purification method. The method comprises the following treatment steps: S1, analyzing a sample; S2, sectioning a river according to data; S3, controlling change indexes; S4, treating bottom sludge at river sections; S5, assembling a purification system; and S6, delivering microorganisms. The method can be used for effectively controlling pollution indexes, reasonably utilizing the purification system and saving cost to achieve an optimized regulation effect. The invention further relates to a malodorous black river comprehensive improvement and purification system. The system comprises an initial section, a mutation section and a recover section, as well as a primary filter system arranged in the initial section, a sludge reflux system arranged in the mutation section, a purification system and an ecological treatment system arranged in the recover section, which are sequentially arranged along the river flowing direction, wherein the primary filter system, the sludge reflux system and the ecological treatment system are connected with a control system respectively, the self-cleaning capability of a river can be gradually recovered, the operation cost is relatively low, and the purification effect is good.

The invention relates to an ecological hydropower station for river regulation. The ecological hydropower station comprises a dam body which is arranged in the river width direction and divides the river into an upstream section and a downstream section; protection dam bodies are oppositely disposed on the two sides of the upstream section; a net-shaped obstacle removing device is disposed above the inlet end of a drainage channel; a sedimentation trough and a motive power trough are formed in the sides, which are far away from each other, of the two protection dam bodies correspondingly; thenet-shaped obstacle removing device is connected with the middle of the sedimentation trough and used for collecting small-particle obstacles; a transmission device is disposed in the motive power trough; a tubular obstacle removing device is disposed above the net-shaped obstacle removing device; a floating obstacle stop device is disposed on the upper side of a sand stop dam; the inclination angle of the floating obstacle stop device changes along with change of the water level of the river; a second water wheel is disposed on the upper side of a tail water opening, the wheel edge of the lower end of the second water wheel is in contact with water discharged out of the tail water opening and performs acting; and the second water wheel is in transmission connection with the transmission device through a transmission shaft. By means of the hydropower station, the hydroenergy is fully utilized for self-purifying a water body, and ecological regulation of the river can be achieved.