665results about "Stream regulation" patented technology

The invention provides a control node locating protecting method of undercutting channel segment water level lowering amplitude. The method comprises the steps that a lateral erosion zone and a deep erosion zone are divided; a target channel section is subjected to meshing, a plane two-dimension water flow mathematic model is established, parameter calibration and verification are carried out; a protection project is generalized to the plane two-dimension water flow mathematic model, the arranging zone and the width of the protecting project are determined; local gradient amplification and upstream water level amplification corresponding to each working condition are obtained, mesh sequences are analyzed respectively; key nodes or other nodes which have obvious influence are selected, for lateral erosion nodes, a hidden closure dam and a beach protection part are arranged on a river branch or a bottomland, and for deep erosion nodes, a bottom protecting band or a hidden closure dam are placed in a main groove. According to the method, nodes are divided into the lateral erosion nodes and the deep erosion nodes, protection part difference of the nodes in different types is provided, by comparing the efficiency of a local channel segment arranging protecting project, the positions of the nodes are accurately located, and the optimum efficiency of the protecting project is guaranteed powerfully.

The invention relates to the technical field of underwater leveling machines, in particular to a transverse and longitudinal walking mechanism, a multi-degree-of-freedom adjusting underwater leveling machine and a construction method. The transverse and longitudinal walking mechanism comprises an end part structure, and a first hole is formed in the end part structure in a penetrating manner; a first hole is formed in the end structure in a penetrating manner; at least part of the transverse moving frame is located in the first hole, and the transverse moving frame is in sliding fit with the end structure in the radial direction of the first hole; the walking longitudinal beam penetrates through the transverse moving frame in the length direction of the first hole and is in sliding fit with the transverse moving frame. The first vertical lifting supporting leg is connected with the end part structure; and the second vertical lifting support leg is connected with the walking longitudinal beam. According to the transverse and longitudinal walking-pedrail walking mechanism, the mode that the walking-pedrail longitudinal beam is sleeved with the transverse moving frame, the transverse moving frame is sleeved with the end structure, the transverse moving frame is used for replacing a transition frame of an existing walking-pedrail type leveling machine, and therefore the overall weight of the transverse and longitudinal walking-pedrail walking mechanism is effectively reduced.

A method for reducing the danger of a dammed lake formed by a debris flow blocking a river, comprising: first predicting the accumulation range of a river-blocking debris dam during occurrence of a debris flow, dividing a river boundary into multiple areas on the basis of the elevation, and then performing roughness reduction treatment on the areas of the river boundary during a dry season. The present method reduces the roughness of a river boundary within the accumulation range of a river-blocking debris dam, so as to reduce the opposite bank dam height of the river-blocking debris dam and the storage capacity of the dammed lake, thereby achieving the purpose of reducing the danger of dammed lakes formed by debris flows and reducing the impact of debris flow disasters.

The invention relates to the technical field of seabed sand excavation pit repair, and discloses a seabed sand excavation pit repair control method and system based on marine dredged mud. The method comprises the steps that surveying and mapping and environment analysis are conducted on a seabed sand excavation pit, three-dimensional topographic data are obtained, and dredged mud is improved; formulating a filling scheme based on data analysis, and establishing a barge and pipeline combined transportation system; filling materials layer by layer, and tamping and grouting; a three-layer protection structure is constructed, and a gabion mesh cage and an energy dissipation device are additionally arranged in a high-risk area; and the restoration effect is evaluated by monitoring the network to form an evaluation database. According to the method, marine dredged mud is used as a main material, and efficient and stable repairing of the seabed sand excavation pit is achieved through scientific improvement treatment and layered filling technologies in combination with multi-layer protection measures and a perfect monitoring and evaluating system.

The invention belongs to the field of lake ecological desilting, and discloses a shallow lake bottom mud ecological desilting and residual water treatment combined treatment method which comprises lake bottom mud ecological desilting, solidification dehydration treatment and residual water treatment. Ecological dredging of the lake bottom mud is implemented by adopting an environment-friendly cutter suction dredger and a sealed pipeline to convey mud, and the bottom mud is conveyed to a mud discharge field to be solidified and dehydrated. A vacuum preloading technology is adopted for solidification and dehydration of the bottom mud, pore water of the bottom mud is effectively discharged by increasing the pressure difference between soil bodies of a drainage plate, and the overall solidification effect is improved. The residual water treatment comprises the treatment of desilting and solidifying residual water, the technologies of multi-stage precipitation, mechanical aeration, aquatic plant remediation and the like are adopted, and the residual water is discharged nearby after being treated to reach the standard. The combined treatment method aims at effectively reducing endogenous pollution of lakes, promoting lake water quality improvement and guaranteeing water safety of regional lakes and reservoirs, and is particularly suitable for ecological dredging engineering of shallow lakes, short construction period and fine-particle bottom mud.

A method and system for determining a limit scouring state of riverbed in downstream river channel of a reservoir group are provided. The method includes: collecting discharge data and cross-sectional prototype observation data of the downstream river channel of the reservoir group; establishing a correlation between discharge and a sediment carrying capacity indicator of a cross-section of a controlled hydrological station; calculating variation of the sediment carrying capacity indicator corresponding to dominant discharge; and determining and verifying the limit scouring state of the riverbed in the downstream river channel of the reservoir group. The method determines the limit scouring state of the riverbed in the river channel, and verifies the preliminary screening results based on the cross-section changes with the above determination, so as to provide technical support for mastering the development process of riverbed scouring and scouring trend prediction in the dam downstream river channel of the reservoir group.

The invention discloses a riverway dredging method which comprises the following steps: dynamically scanning a riverway along a spiral propulsion path, and obtaining riverbed topographic data and sediment thickness in real time; a three-dimensional riverbed model is established based on the riverbed topographic data, and a core dredging area, a transition maintenance area and an ecological reserve area are divided in the three-dimensional riverbed model according to the sediment thickness; the core dredging area is divided into a surface layer, a middle layer and a bottom layer in the vertical direction, and a differentiated dredging process is executed; carrying out mud-water separation treatment on the dredged material, purifying the separated water, and reinjecting the purified water into the river channel; prefabricated ecological concrete modules are laid on the surface of a dredged riverbed, diversion trenches and biological nests are formed, and the biological nests are filled with polylactic acid / straw composite fiber felts containing local submerged plant seeds. Through spiral scanning, three-dimensional modeling and intelligent partitioning, integration of monitoring, planning, construction and repairing is achieved, accurate dredging is implemented, and the dredging efficiency is improved.

The invention relates to the technical field of coastal zone renovation and repair, in particular to a siltation promotion device for coastal zone renovation and repair, which comprises a siltation promotion assembly and a caisson which are sequentially arranged from top to bottom, the siltation promotion assembly comprises a plurality of siltation promotion modules which are connected through side edges, and the top side of the siltation promotion assembly is used for being fixedly connected with a coast; each siltation promotion module comprises a frame and a plurality of anti-flow plates, the multiple anti-flow plates are sequentially arranged in the frame from top to bottom, the two ends of each anti-flow plate are rotationally connected with the two opposite sides of the frame correspondingly, and every two adjacent siltation promotion modules are rotationally connected through one side edge of the frame; a sedimentation cavity is formed in the top of the caisson, a permeable material is arranged in the sedimentation cavity, flow guide holes penetrating through the two sides are formed in the upstream face and the downstream face of the caisson correspondingly, and the bottom side of the siltation promotion module is connected with the caisson and located above the sedimentation cavity; the siltation promotion device is formed in a splicing mode, the siltation promotion device can be well suitable for complex terrains, and the anti-flow plate is arranged to effectively resist water flow impact.

The present invention provides a device for regulating the water temperature discharged from a reservoir. The device for regulating the water temperature discharged from the reservoir includes a power station intake tower, a cable-stayed tower, a support platform and a water retaining system. The cable-stayed towers are respectively arranged on both sides of the water inlet of the power station intake tower. The support platform is a horizontal circular arch, and both ends of the support platform are connected to the cable-stayed towers. The water retaining system is connected to the circular-arch-shaped support platform and extends downward to the lower part of the reservoir. The water retaining system includes columns, collar rings, a water retaining curtain and a hoist. A plurality of collar rings are sleeved on the columns. The water retaining curtain is connected to the support platform and the plurality of collar rings. The hoist is connected to the upper collar ring. By arranging the cable-stayed towers on both sides of the water inlet of the power station intake tower, the present invention realizes the technical solution of implementing the water retaining system on a single-side bank slope, without blocking the main river channel, and the flood discharge condition does not need to bear the flood load.

The invention discloses a reservoir desilting method and device using fixed jet flow, and relates to the technical field of water conservancy and hydropower engineering desilting. According to the method, the flow speed, pressure, mud layer thickness and gradient parameters of water around a nozzle are collected in real time; calculating a jet flow angle compensation coefficient, and identifying a nozzle direction stable state; on the basis of a nozzle set with stable direction, a nozzle group is constructed and a time sequence differential control table is established by combining a topological relation between nodes and disturbance propagation characteristics, so that ordered migration of turbulent flow disturbance is realized; sediment concentration, flow velocity and flow data are collected in a flow guide plate and a sediment discharge port area, and a desilting efficiency index is calculated and used for evaluating sediment transportation continuity and flow guide performance; and a comprehensive operation optimization coefficient is generated through a multivariable adaptive weighted fusion algorithm, and the system automatically executes adaptive regulation or sends out a manual intervention prompt. According to the method, self-monitoring, self-correction and global optimization of the fixed jet system can be achieved, and the reservoir dredging efficiency and the operation stability are remarkably improved.

The utility model discloses an unmanned intelligent environmental protection monitoring device, which relates to the technical field of monitoring devices, and particularly comprises a water blocking gate, a water storage tank and a water storage tank, the gathering plate is mounted at the front end of the water blocking gate and used for gathering garbage floating on the water surface; the salvage part is mounted on the water blocking gate and used for salvaging garbage floating on the water surface, and one end of the salvage part extends to the position below the gathering plate; the collecting frame is installed on the back face of the water blocking gate and used for collecting the floating garbage fished by the fishing component; and the driving component is used for driving the fishing component to circularly move along the fishing path. The unmanned intelligent environmental protection monitoring device can drive a water quality monitor to ascend and descend along with ascending and descending of the water surface height so as to adapt to monitoring of different water surface environments, a first gear of a driving motor working belt rotates to drive a second gear to work through a chain, and therefore a fishing net is driven to move; and the salvage net is matched with the salvage plate to convey the horizontally floating garbage into the collection frame for collection.

An intelligent dredging system for a high-piled wharf and a control method thereof are provided, and the system includes an intelligent monitoring-decision control subsystem and a decentralized high-pressure water disturbance subsystem. The intelligent monitoring-decision control subsystem is composed of a high-precision pile-foundation sediment siltation warning device, a tidal monitoring device and a control terminal. The decentralized high-pressure water disturbance subsystem is composed of a water spraying device, a cable and a multi-loop power distribution device.

Disclosed is a method for regulating confluence of tributaries with a large drop difference and a large angle into a trunk canal. The method includes: banking up a reservoir at an upstream end of a tributary river, and widening a water surface, such that uniform distribution of water flows is completed; then conducting scouring and energy dissipation to reduce a flow velocity and kinetic energy of the water flows; then conducting flow-slowing sedimentation, such that sediment is deposited on one side of the tributary river connected to a downstream side of a trunk stream; and then conducting flow diversion at one side of the tributary river connected to an upstream side of the trunk stream, such that an included angle of confluence of tributary river water into the trunk stream is reduced.

The invention relates to the technical field of underwater leveling machines, in particular to a measuring tower for an underwater leveling machine and a multi-degree-of-freedom adjusting underwater leveling machine. The measuring tower comprises a supporting assembly; the measuring tower and the driving mechanism are connected to the supporting assembly, and the driving mechanism can drive the measuring tower to rotate in the vertical direction from the transverse direction. The measuring tower for the underwater leveling machine is installed on the supporting assembly, during transportation, the measuring tower is arranged to be transverse, the influence of gathering of the measuring tower in the transportation process on the gravity center and the eccentric condition of the underwater leveling machine is effectively reduced, then when the measuring tower enters water, the measuring tower is rotated from the transverse direction to the vertical direction, and therefore the measuring tower can be used for measuring the gravity center and the eccentric condition of the underwater leveling machine. The method is suitable for construction conditions. Transverse rotation of the measuring tower is changed into vertical rotation, so that the transportation safety of the underwater leveling machine can be effectively improved under the condition that the measuring tower adapts to construction working conditions.

The invention discloses a method for cooperatively carrying out dredging and ecological protection in a near-shore sensitive area, belongs to the technical field of port and channel engineering desilting, and aims to solve the technical problem that construction efficiency and ecological environment protection are difficult to consider when dredging operation is carried out in the near-shore sensitive area. Comprising an operation system of at least one dredging sub-ship, a path is planned through underwater topographic survey, the sub-ship is fixed through a gauge pile system, a multi-joint hinged arm with a cover type cutter suction head is lowered to be attached to a mud bed, sludge is liquefied through a high-pressure water system, and slurry is conveyed through a sand pump set; the slurry concentration and the turbidity of a surrounding water area are respectively monitored through an inner turbidity sensor and an outer turbidity sensor, and closed-loop feedback control is formed to dynamically adjust the power of a sand pump, the pressure of high-pressure water and the speed of a hinged arm; and meanwhile, in the dredging process, an ecological base material containing a biological agent is sprayed to the bare seabed through an ecological base material spray head, and dredging and ecological restoration are synchronously carried out. The method is mainly used for dredging construction and ecological protection of near-shore sensitive water areas.

The invention relates to a multi-channel-pool cooperative regulation and control method, system and device and a medium, and belongs to the technical field of hydraulic engineering automation control. The method comprises the steps that the overshoot flow of each channel pool under the preset water diversion working condition is calculated; calculating the maximum variable amplitude of the water level in front of a sluice of each channel pool under the preset water diversion working condition by combining an objective function of a feed-forward control optimization model with the overshoot flow; under the constraint of at least one constraint condition, through the feed-forward control optimization model, with the minimization of the maximum variable amplitude of the water level in front of the gate as a target, dynamic storage capacity compensation iterative calculation is carried out, and a target overshoot flow proportionality coefficient of each channel pool is obtained; and according to the target overshoot flow proportionality coefficient of each channel pool, a regulation and control instruction of each check gate is generated, and the multi-stage check gates are regulated and controlled according to the regulation and control instructions. Through the cooperative regulation and control instruction set of the multi-stage check gates, cooperative control of the multi-stage check gates is realized, the hydraulic coupling effect between channels and pools is quantified, and the real-time control efficiency under complex working conditions is improved.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The utility model discloses a drainage mechanism for a water conservancy project. The drainage device comprises a control base, a drainage base, a drainage enhancing assembly arranged on the surface of the drainage base and a drainage control assembly arranged in the drainage base, the drainage control assembly comprises an embedding groove formed in the drainage base, an embedding block is connected into the embedding groove in a matched mode, one end of the embedding block is fixedly connected with a baffle, the baffle is in an L shape, and the drainage enhancing assembly is arranged on the surface of the drainage base. The baffle is movably connected to the interior of the drainage base, the connecting positions are increased through the caulking grooves formed in the two sides of the interior of the drainage channel, the baffle is connected with the caulking grooves through the embedding blocks fixedly connected to the two sides, the baffle is installed in the drainage channel, and the baffle is in an L shape, so that the interior of the drainage channel is conveniently blocked, and a water source in the drainage channel is conveniently controlled; a plurality of wave-shaped columns are mounted at the bottom of the inner side of the drainage channel, so that the turbulence of a water source during drainage is improved, the impact force on the drainage base is reduced, the overall protection performance is improved, and drainage operation is facilitated.

The invention discloses a modularized regulation and storage tunnel and ecological landscape integrated system, which relates to the technical field of ecological water conservancy projects and comprises a regulation and storage tunnel module, an ecological landscape module and an intelligent regulation and control module, the regulation and storage tunnel module comprises an electroactive biological membrane-plant root system coupling reactor and an intelligent secretion capture-slow release module and is used for realizing regulation and storage of water and treatment of heavy metal ion pollutants; according to the method, the problem of bioelectrochemical coupling failure of a microorganism-plant interface is solved through construction of an artificial electron transfer path, intelligent regulation and control of the phenol concentration and multi-field coupling simulation, the heavy metal ion removal rate is stably increased, pipeline scaling is reduced, and traditional monitoring and model limitation is broken through; meanwhile, by means of ecological module collaboration, the biological diversity and the system stability are enhanced, the operation and maintenance cost is reduced, the service life of materials is prolonged, and a new interdisciplinary precise regulation and control solution is provided for urban water environment treatment.

The utility model discloses a protective device for channel improvement engineering bank slope bank protection, which relates to the technical field of channel engineering and comprises a protective column, a fixing lug arranged on the surface of the protective column, a protective chain sleeved on the surface of the fixing lug, a rolling shaft rotatably connected to the inner side of the protective column, and a connecting belt fixedly connected and wound on the surface of the rolling shaft. Pressing plates are connected to the surfaces of the connecting belts through screws, protective nets are arranged between the pressing plates and the connecting belts, and adjusting shafts are fixedly connected to the end faces of the winding shafts. The protection device is reasonable in design structure, the protection columns can be fixed above the bank slope by arranging the embedded columns below the protection columns, the positioning nails are arranged on the lower surfaces of the connecting belts, the positioning nails are fixed with sand on the surface of the bank slope, and the position of the protection device is determined through the protection columns and the connecting belts. The protection device cannot sink or slide off, and the problem that the protection net slides off or settles from the surface of a bank slope due to the influence of water level rising and falling after being used for a long time is solved.

The invention discloses a barrier dam leakage detection patrol and rescue method. The method comprises the following steps: S1, structure sensing; the method comprises the following steps: S101: by using an accumulation body surface particle unmanned aerial vehicle intelligent identification technology, carrying out photogrammetry and analysis on dam material source information and an accumulation rule by utilizing a high-definition image obtained by photographing by an unmanned aerial vehicle close to the surface of an object, and identifying surface materials of an accumulation body; s102, detecting the structure of a barrier body by using barrier dam material structure rapid sensing equipment, and detecting and identifying deep substances of an accumulation body; and S2, emergency drainage: according to analysis of a detection result of a barrier dam material structure, adopting barrier dam body excavation, flood discharge tunnel excavation, pumping or positive siphon drainage measures for emergency rescue of the barrier lake by adopting barrier lake siphon drainage equipment. According to the invention, full-chain technology integration application of "barrier dam structure detection-emergency discharge" is adopted, a barrier dam leakage rapid emergency rescue technical system is constructed, and systematization of the barrier dam leakage emergency rescue technical system is realized.

The invention relates to the technical field of underwater dredging, in particular to a jet flow type maritime work dredging operation robot. The jet flow type maritime work dredging operation robot comprises a shell with an opening in the bottom, a frame is arranged in the shell and comprises a rectangular horizontal frame and four cylindrical supporting legs symmetrically arranged at the bottom of the horizontal frame, a jet flow spraying and sucking device and a power assembly box are arranged on the horizontal frame, a traveling device is arranged on the supporting legs, and the traveling device is connected with the jet flow spraying and sucking device. The advancing device comprises a horizontal rod and a hydraulic cylinder which are arranged on the supporting legs, the hydraulic cylinder is downwards and obliquely connected with the horizontal rod, a piston rod of the hydraulic cylinder is connected with the wheels, and the jet flow spraying and sucking device and the advancing device are respectively connected with the power assembly box. The robot is good in adaptability to a complex desilting scene in a water area, posture switching can be carried out among a contraction state, a walking state and a suspension state, different requirements of hoisting transportation, walking in a desilting area and advancing in the water area are met, desilting is carried out through jet flow spraying and suction, and the desilting efficiency is high.

This application provides an underwater foundation bed spiral scraper leveling system, including an underwater leveling frame. The underwater leveling frame includes a base frame, and a movable frame is provided along the length of the base frame. The lower end of the movable frame is provided with a rotatable scraper spiral with opposite spiral connections to level the gravel in the base frame. It also includes a lifting frame installed on a support vessel on the water. The lifting frame is provided with a hook that can move up and down, and a lifting rope is provided on the hook. The lower end of the lifting rope is connected to the underwater leveling frame, which solves the problem of automated leveling of underwater foundation beds.

The present invention relates to an erosion control apparatus and methods of using and installing the apparatus. The apparatus is constructed to prevent erosion of soil during typical weather or tidal conditions and adverse weather events. The apparatus can include an anchored marsh installation operative to stabilize a tidal marsh and shoreline.

The invention relates to the technical field of water conservancy projects, and discloses an estuary channel erosion and deposition control method and system based on water column wave energy collection and release. According to the method, wave energy is captured through an oscillating water column air chamber with a bottom opening, bidirectional airflow is converted into unidirectional high-pressure airflow through an airflow rectifying unit, and the unidirectional high-pressure airflow is stored in a high-pressure energy storage container; the system monitors the flow velocity of a channel and the air pressure of the energy storage container in real time, only when the flow velocity meets a preset ebb tide transportation condition and the air pressure is higher than a critical threshold value, a trigger instruction is generated, after the instruction is responded, high-pressure gas is injected into the gas-liquid replacement excitation cavity sinking to the bottom, and water in the driving cavity forms high-speed hydraulic jet flow through a Laval nozzle to impact bottom mud. After jet flow is finished, the cavity exhausts air and relieves pressure, the external water body reversely flows back through the hydrostatic pressure of the environment, and suspended sediment is entrained and sucked. Through the cyclic operation, energy self-sufficiency, intelligent opportunity selection operation and efficient dredging are achieved, the operation cost and the environmental influence are reduced, and the method is suitable for remote and unattended navigation channel maintenance.

The utility model relates to a rectifying gate, which belongs to the technical field of hydraulic engineering and comprises a gate plate and a turntable. Wherein the gate plates are arranged in the runner in pairs; when the gate plates arranged in pairs are combined into a V shape, the rectifying gate is closed; otherwise, the rectification gate is opened; the V-shaped opening end formed by combining the flashboards faces the water flow direction, and when the flashboards are opened to be parallel to the flow channel direction, the opening degree of the rectification gate is maximum so as to adjust the water flow; the turntable is arranged above the flashboard and is fixedly connected with the flashboard; and when rotating, the turntable drives each pair of flashboards to rotate reversely. The opening degree of the rectifying gate can be adjusted according to needs, and therefore accurate control over water flow is achieved. When the gate plate is opened to be parallel to the direction of the flow channel, the opening degree of the rectification gate is maximum, stable flowing of water flow can be ensured, the problem that the water flow of an existing gate device is unstable is solved, and more stable water flow management is provided; in addition, the rectifying gate is simple in structure and convenient to install and maintain.

The present invention relates to the technical field of water interception and drainage structures, and discloses a single-channel water interception and drainage structure that can be quickly constructed, including a water inlet dam, an intermediate dam, a water outlet dam and at least one drainage pipe arranged in a water channel. Along the flow direction of water in the water channel, the water inlet dam, the intermediate dam and the water outlet dam are arranged in sequence and at intervals, and the water channel has a water inlet area, a water isolation area and a water stop area; the drainage pipe has a water inlet end and a drainage end, and the drainage pipe passes through the water inlet dam, the intermediate dam and the water outlet dam in sequence, and the water inlet end extends into the water inlet area, the drainage pipe extends to the outside of the water channel, and the drainage end extends to the drainage area, the water in the water inlet area enters the drainage pipe from the water inlet end, is led to the drainage area by the drainage pipe, and is discharged into the drainage area by the drainage end; the water inlet end has a water inlet, and the water inlet is provided with a filter layer formed by weaving metal wire strips.

The present invention discloses a sediment interception and treatment system in a plain river network area, which includes a sediment interception tank arranged at the river connection point and the estuary, a conveying pipeline arranged along the river, a pneumatic pump, a treatment device, an automatic control system, and an estuary wetland system. The automatic control system includes a data center, a communication module, and water quality sensors and mud level sensors arranged in the sediment interception tank. The water quality sensors and mud level sensors are connected to the pneumatic pump through the data center via the communication module. The outlet of the treatment device is connected to the estuary wetland system. The sediment interception tank is formed by excavating the bottom sediment of the water body, and a support is arranged in the tank to support the communication module, water quality sensors, and mud level sensors. The present invention utilizes the characteristics of fine sediment particles, high water content, and large fluidity in the plain river network area to achieve automatic and rapid collection, in-depth treatment, and resource utilization of sediment from the river network to the estuary area, reduce the sediment and nutrient load entering the lake, and reduce the risk of eutrophication.

The invention discloses equipment and a method for predicting, controlling and dispatching the scouring and silting amount of a downstream river channel of a dam, which are taken into account the influence of a flood process on the scouring and silting amount of the river channel and comprehensively consider the influence of water and sediment elements and flood characteristics on the scouring and silting amount of the downstream river channel of the dam. Water surface gradient, flow, peak pattern coefficient, jacking coefficient, sediment content and sediment grading elements are incorporated to predict the erosion and deposition amount of the downstream river channel of the dam, a calculation formula structure of the erosion and deposition amount of the downstream river channel of the dam and a matched calculation method are constructed, a corresponding table of the erosion and deposition amount of the downstream river channel of the dam is compiled according to the method, and reverse derivation can be achieved through table query. When the scouring and silting amount of the downstream river channel of the dam is controlled to be a fixed value, key dispatching parameters such as reservoir outlet flow and peak pattern coefficient required to be regulated and controlled by an upstream reservoir; a reservoir management department can formulate a scientific reservoir optimization scheduling scheme through the method, technical guarantee is provided for river regime stability and bank slope protection of a downstream river channel of a dam, flood control standard improvement and shipping safety maintenance are effectively supported, and a decision basis is provided for exerting comprehensive benefits of the reservoir.

The utility model discloses a diversion tunnel protecting and reinforcing device which comprises a reinforcing mechanism arranged in the direction of a diversion tunnel opening. The protection mechanism is arranged on the outer side, away from the end of the diversion tunnel opening, of the reinforcing mechanism; the base is buried underground, and the reinforcing mechanism is connected with the base; the base comprises a base plate and a connecting base which is perpendicular to the base plate and extends upwards, and a plurality of sets of fastening through holes are formed in the connecting base in the circumferential direction. The base is arranged at the bottom of the protection mechanism, and a connecting structure of the base is optimized, so that the bottom of the reinforcing mechanism can obtain better supporting force, the bottom of the reinforcing mechanism is more stable, and sinking is prevented.