47 results about "Sediment flow" patented technology

The invention relates to the technical field of energy efficiency management, in particular to a water conservancy sensing system based on edge computing. The system comprises the following modules: a riverway edge sensing module, a water conservancy characteristic analysis module, a sediment migration simulation module and a deposition scouring early warning module. Constructing a river channel water conservancy sensing network; performing real-time water conservancy monitoring data acquisition according to the river channel water conservancy sensing network to obtain river channel water conservancy sensing data; performing three-dimensional flow field model processing on the river channel water conservancy sensing data to obtain a three-dimensional sediment flow field network model; carrying out particle flow field simulation on the three-dimensional sediment flow field network model to generate sediment migration space-time distribution data; and according to the sediment migration space-time distribution data, carrying out siltation and scour area identification, and uploading the siltation and scour area data to a cloud platform through an edge computing node to carry out abnormal event alarm so as to obtain river section monitoring data. According to the invention, real-time, accurate and intelligent monitoring and early warning of the sediment deposition and scouring process of the river channel are realized.

The invention provides a hydro-junction water level adjusting method and system. Wherein the sediment deposition space-time atlas containing the sedimentary gradient is constructed and periodically corrected through scanning of an underwater robot and synchronous acquisition of satellite remote sensing data. A radar array is deployed at a bend section of a flood discharge channel, and vector distribution of a three-dimensional sediment flow velocity field is analyzed by using multi-frequency pulse signals. Through correlation analysis of the dynamic coupling sedimentary gradient and the flow velocity field, a correlation area of flow velocity sudden change and sediment deposition is accurately identified, and a constraint condition set including coordinate positioning and a flow-sediment matching rule is established. And in combination with real-time water level monitoring data, calculating and generating a dynamic adjustment parameter sequence of the opening degree of the flood discharge gate by using a constraint condition set, thereby realizing accurate regulation and control of the water level. According to the technical scheme, the flood discharge parameters are intelligently optimized, the water level of the hydro-junction can be accurately regulated and controlled, the sediment deposition problem of a high-sediment-content water area is effectively relieved, and safe operation and flood control efficiency of the junction are guaranteed.

The present invention relates to a sedimentation tank and a sewage treatment device. The sedimentation tank comprises a tank body and a plurality of sedimentation pieces. The plurality of sedimentation pieces are arranged in the tank body along the depth direction of the tank body, and divide the internal space of the tank body into a plurality of water-passing spaces. When the sedimentation piece is in a first position, the inclination angle of the sedimentation piece relative to the tank body is a first angle, so that the sediment mud in the sewage settles on the sedimentation piece when the sewage flows through the water-passing space. When the sedimentation piece is in a second position, the inclination angle of the sedimentation piece relative to the tank body is a second angle, so that the sediment mud is separated from the sedimentation piece by gravity and falls to the bottom of the tank body. The plurality of sedimentation pieces constitute a sedimentation assembly. When the sedimentation piece is in the second position, one end of the sedimentation assembly protrudes from the surface of the sewage, and the other end of the sedimentation assembly abuts against the bottom inner wall of the tank body, so that the sedimentation assembly and the bottom inner wall of the tank body together constitute a blocking structure for blocking the sewage from flowing from one side of the sedimentation assembly to the other side of the sedimentation assembly in the tank body.

The ecological scouring protection structure for the offshore wind turbine pile foundation comprises a wind turbine foundation, a plurality of spoilers and an anti-scouring mechanism, and the spoilers are connected to the peripheral side of the wind turbine foundation and extend in the radial direction of the wind turbine foundation so that the space between a circular bottom plate and the wind turbine foundation can be divided into a plurality of sediment sedimentation spaces; a biomass block assembly is arranged in each sediment settling space and is used for placing sea grass seeds; wherein the anti-scour mechanism on each sediment precipitation space can reduce the flow velocity of seawater, can also filter sediment flowing through the seawater, enables sediment impurities to fall onto the biomass block assembly, prevents the sediment in the sediment precipitation space from being scoured away by the seawater, provides nutrient substances for sea grass production, and can further improve the scour protection capability; the structure is simple, and the ecological environment is protected.

The invention provides an irrigation area sediment deposition prediction method and system, computer equipment and a storage medium, and belongs to the field of water conservancy project intellectualization, and the method comprises the steps: collecting historical hydrological data, real-time monitoring data and remote sensing observation data of a to-be-predicted irrigation area; the method comprises the following steps: resampling historical hydrological data and real-time monitoring data, carrying out forward filling completion on missing data, filling remote sensing observation data into a unified time axis, and filling missing spatial features based on spatial feature values of an adjacent time reference to obtain multi-source data with time-space alignment; extracting features of the multi-source data to obtain four features; and combining the four features and calculating correlation weights among the features so as to determine the sediment flow, the sediment concentration and the sediment flow velocity of the to-be-predicted irrigation area. According to the method, aiming at the defect of non-uniform spatial and temporal distribution among multi-source data sources, spatial and temporal alignment is realized through time re-adoption and spatial feature completion, the input information can accurately reflect the sediment transportation process of an irrigation area, and the prediction accuracy is improved.

The utility model is suitable for the technical field of pollution control, and provides a clean pollution control device which comprises a settling chamber and a purifying chamber, the purifying chamber is located at the top of the settling chamber, a water inlet pipe is connected to the upper portion of the left side of the settling chamber, a feeding pipe and a water outlet pipe are connected to the left side and the right side of the purifying chamber respectively, and a water outlet cylinder is installed at the top of the settling chamber and extends into the purifying chamber. According to the clean pollution control device, the settling chamber is arranged, silt filtered out by the filter plate falls into the settling chamber under the action of gravity, the motor can be started to open the cover plate, at the moment, the silt flows out of the bottom of the settling chamber, manual cleaning is not needed, and the clean pollution control device has the advantages of being convenient to use and capable of saving labor. By arranging the plug, water inlet of the water inlet pipe does not need to be stopped when silt is cleaned, so that the water treatment progress is not delayed, and by arranging the clamping block and the bolt, the filter plate can be more convenient to disassemble and assemble.

The utility model discloses a mud-water separation's multi-functional well lid, mud-water separation's multi-functional well lid, mud-water separation's multi-functional well lid includes lid body, cylindrical shell, guide plate group, fan blade group and collecting tank, in the state of less water, water flows into guide plate group through grating on the lid body, enters first guide gutter and falls down, in the state of more water, flows into second guide gutter and falls down. When the trash can is used, mixed large trash or sundries can be blocked outside at the grating, water flow and fine silt flow into the flow guide plate set together through the grating, a large amount of water is collected at the first flow guide groove and falls onto fan blades of the fan blade set, the fan blades start to rotate under the power drive of the water flow, the silt is brought to the edge of the barrel shell through the difference of centrifugal force, and therefore the trash can be recycled. And the silt flows into a collecting groove in the silt guide opening from the inner side wall of the barrel shell under the mixing of a small amount of residual water, so that the separation of the silt and the water is completed. The problem that a large amount of muddy water blocks well lid holes in a well lid can be solved, water is guided to a sewer in time, and redundant silt is collected.

The invention relates to a trailing suction dredger excavation depth measuring method and system, and the method comprises the steps: obtaining multi-mode sensor data of a water area bottom layer, the multi-mode sensor data comprising multi-beam sonar data, laser scanning data and underwater visual image data; carrying out dynamic identification on the multi-modal sensor data, and generating a bottom layer feature identification result of the water area; utilizing the real-time water flow and sediment flow model to predict the flow trend of the bottom sediment of the water area, and generating a water flow prediction result; and dynamically adjusting a depth measurement strategy based on the underlying feature recognition result and the water flow prediction result, and optimizing measurement data in real time through a data correction algorithm in the measurement process to generate a depth measurement result. The method has the effect of improving the digging depth measurement precision of the trailing suction hopper dredger.

The present invention relates to the field of water control gates, and particularly to a water control gate for cleaning sediment. Existing water control gates will be eroded and worn by sediment particles, resulting in poor sealing effect of the water control gates, and it is difficult to clean the sediment adhering to the bottom of the ditch, resulting in poor sediment cleaning effect. A water control gate for cleaning sediment includes: a fixed frame with a sealing groove, a cover plate fixedly connected to the fixed frame, and a water retaining plate slidably connected in the sealing groove of the fixed frame. When the water retaining plate and the threaded rod move upward, they will drive the sliding frame to move upward. When the water retaining plate moves a certain distance to expose the diversion opening of the diversion ring, the water flow at the bottom of the ditch will drive the deposited sediment to flow when it reaches the other side of the water retaining plate, so that the flowing sediment passes through the diversion holes of the diversion ring. The diversion ring can protect the sealing groove of the fixed frame and the bottom of the water retaining plate, thereby enhancing the sealing effect between the fixed frame and the water retaining plate.

The invention relates to the technical field of hydrological survey, and discloses a sediment flow monitoring device for hydrological survey, which comprises a shell, a water inlet and a water outlet are respectively formed in the left end and the right end of the shell, and a first flow sensor, a first filtering mechanism and a second flow sensor are sequentially arranged in the shell from left to right; the first filtering mechanism comprises a first filtering plate and a cleaning assembly which are arranged in the shell, and a filtering cylinder and a centrifugal weighing assembly are arranged on the lower side of the first filtering plate; according to the sediment flow monitoring device for hydrological survey, sediment adhering to the filter plate can be cleaned up into the filter cylinder through cooperation of the scraper and the air injection device, then weighing is conducted after centrifugation, the accuracy of the measurement result can be improved, a two-stage filter structure is arranged, data of the flow of small-particle-size sediment and the flow of large-particle-size sediment can be obtained, and the accuracy of the measurement result is improved. Richer experimental data are provided for hydrological survey, and water flow impact is used as power to block objects such as gravels in a water body outside the device, so that the measurement result is prevented from being influenced.

The application discloses a suspended matter guide and drainage device for water conservancy projects matched with a slaughtering area, which comprises a water regulating tank, a water storage tank is arranged below the water regulating tank, a flow guide groove is arranged beside the outer side of the water regulating tank, a sediment flow guide groove is arranged in the flow guide groove, a splash-proof table is arranged above the sediment flow guide groove, a water inlet pipe is arranged at one end of the sediment flow guide groove, and a water outlet pipe is arranged at the other end of the sediment flow guide groove. The application is characterized in that the flow guide groove foundation of the water conservancy project matched with the slaughtering area is reformed, the reclaimed water is input from the water inlet pipe at one side of the sediment flow guide groove, the water inlet pipe and the sediment flow guide groove form a height difference, the air cavity phenomenon is generated when the water flow is input, the suspended matter cannot be deposited, and the suspended matter is pushed forward on the directly opposite floating sludge intercepting inclined plate along with the continuous input of the water flow, so that the suspended matter is prevented from being deposited in the sediment flow guide groove, the deposited amount is prevented from being increased, the water outlet pipe is prevented from being blocked, and the normal operation of the water conservancy facility is prevented from being affected.

The application provides a water level regulation method and system for a water conservancy hub. The method includes the following steps: collecting data by underwater robots and satellite remote sensing data simultaneously, constructing a sediment deposition space-time atlas containing a deposition gradient, and periodically correcting the space-time atlas. A radar array is deployed in the curved section of the spillway, and a multi-frequency pulse signal is used to analyze the three-dimensional sediment flow velocity field vector distribution. Through the correlation analysis of the dynamic coupling of the deposition gradient and the flow velocity field, the correlation area of the flow velocity mutation and the sediment deposition is accurately identified, and a constraint condition set containing coordinate positioning and flow-silt matching rules is established. Combined with real-time water level monitoring data, the constraint condition set is used to calculate and generate a dynamic adjustment parameter sequence of the spillway gate opening, and the water level is accurately regulated. The technical scheme provided by the application can accurately regulate the water level of the water conservancy hub by intelligently optimizing the spillway parameters, effectively alleviate the sediment deposition problem in the high-sediment water area, and ensure the safe operation and flood control efficiency of the hub.

The present invention discloses a portable automatic monitoring device for soil and water loss, which belongs to the technical field of soil and water loss detection, and includes a sampling tube, a workbench, and a sampling cabin. The sampling cabin is connected to the workbench through a first connecting tube, one end of the sampling tube is connected to the sediment detection workbench for sediment to flow into the sampling cabin, the two horizontal ends of the sediment detection workbench are symmetrically connected with a driving mechanism and a detection component that support it and are rotatably connected to it, and the upper and lower sides of the workbench are respectively installed with an upper bracket and a lower bracket, and the ends of the upper bracket and the lower bracket are respectively inserted into the driving mechanism and the detection component and then connected. The present invention symmetrically connects two sampling cabins on the upper and lower sides of the workbench, and the sampling tube is connected to the workbench from the side and the sample is stored in the sampling cabin. The detection component is installed on one side of the workbench to detect the sediment content in the stored sample. The workbench and the sampling cabin can be rotated, and the sample is fully mixed and then flows through the workbench, which can improve the accuracy of the detection.

The utility model discloses a high-safety drainage pipeline accumulated water drainage device which comprises a water storage four-way joint, the bottom end of the water storage four-way joint is fixedly connected and communicated with a slag storage and water drainage device, the slag storage and water drainage device comprises a storage cylinder, a separation part is arranged in the storage cylinder, a sealing plate is arranged at the bottom end of the separation part, and the bottom end of the separation part is provided with a water outlet. The sealing plate is fixedly connected with the inner wall of the bottom end of the storage barrel. And the top end of the separation part is fixedly connected with a hydrophobic ball. And a storage cavity for storing silt is formed between the separation part and the storage cylinder. The sediment storage and drainage device capable of separating sediment from accumulated water is arranged, sediment flowing in the pipeline is prevented from blocking the pipeline, the fluidity of the pipeline is prevented from being influenced, meanwhile, the automatic drainage device for extracting a residual water source in the pipeline is externally connected to the sediment storage and drainage device, and the residual water source in the pipeline is prevented from influencing normal operation of the sediment storage and drainage device.

The application belongs to the technical field of hydrological test, and discloses a sediment flow monitoring device for hydrological test, which comprises a sediment meter, a bottom plate, a stand, a sliding frame, a float, a connecting rod and a mounting plate. The sediment meter is arranged on the bottom surface of the mounting plate. The top of the sliding frame is provided with two connecting plates. The top surfaces of the connecting plates are provided with two vertical plates at intervals. Two rotating holes are formed in the two vertical plates. A rotating shaft is rotatably arranged in the two rotating holes. A roller is fixedly arranged on the rotating shaft. The roller surface is in contact with the surface of the adjacent stand. The two vertical plates are provided with external thread pipes on the sides away from each other. Rubber damping pipes are arranged in the external thread pipes. The inner ring of the rubber damping pipe is matched with the rotating shaft. The float drives the sliding frame and the sediment meter to lift. When the roller and the rotating shaft are lifted and rotated, the rubber damping pipe applies damping force to the rotating shaft, so that the rotating speed of the rotating shaft and the roller is prevented from being too fast, thereby limiting the lifting speed of the float and the lifting frame under the action of waves and preventing the sediment meter from being damaged by oscillation.

The utility model discloses a clarification device suitable for impurity removal by a chemical precipitation method. A clarification barrel is divided into a semi-closed barrel-shaped structure and an annular interlayer through a barrel-shaped baffle. Mixed liquid flows in from the liquid inlet pipe and is mixed and stacked at the bottom of the semi-closed structure. Along with the continuous increase of the volume of the mixed liquid, the mixed liquid moves upwards along with the cylindrical baffle plate and settles under the gravity action and the step-by-step throttling action of the baffle plate II, the sediment flows downwards under the gravity action and is accumulated to the bottom of the clarifying cylinder, and the filtrate flows into the annular interlayer along the gap between the cylindrical baffle plate and the clarifying cylinder; and carrying out secondary natural sedimentation in the annular interlayer. The device has the functions of clarifying a reaction place and prolonging the staying time of a mixed solution, so that the mixed solution is separated in the mixing and clarifying reaction process and does not completely depend on subsequent separation of a filter press, the yield and efficiency of the clear solution are remarkably improved, and the economical efficiency of the clear solution is also improved.

The utility model discloses a novel sampling device for runoff sediment, which belongs to the technical field of runoff sediment sampling and comprises a telescopic rod body, the lower end of the rod body is in threaded connection with a storage component, the upper end of the storage component is fixedly provided with a sealing component, two sides of the sealing component are slidably clamped with the storage component, and the storage component comprises a storage box. A sample storage cavity is formed in the middle of the storage box, a sample placing pipe is fixedly installed at the lower end of the storage box, the lower end of the sample placing pipe is in threaded connection with a sealing cover, and a separation plate is clamped to the lower end of the sample storage cavity. According to the runoff sampling device, the storage assembly is arranged, water flow of runoff carries sediment to flow through the storage assembly, when the sampling depth is reached, the sealing assembly rapidly seals the two sides of the storage assembly, the runoff can be conveniently intercepted, the sampling accuracy is improved, and water and sediment can be conveniently separated when lofting is conducted through the separation plate.

The utility model discloses a cyclone water curtain cabinet capable of efficiently removing waste gas, which belongs to the field of water curtain cabinet equipment and comprises a cabinet body, a water tank, a spraying mechanism, a cyclone barrel, a water mist intercepting component, an anti-precipitation structure and a cleaning part. Most of waste gas sludge can be intercepted, the remaining water flow can flow into the overflow groove through the filtering holes to be collected, sludge sediment in the water flow can be prevented from flowing into the water tank together, the working difficulty of follow-up sediment cleaning work is reduced, then the motor is used for driving the lead screw base to operate, and the working efficiency is improved. Under the guiding effect of the guiding piece, the lead screw seat can drive the moving piece and the shovel plate to move together, sediments on the bottom and the side wall of the overflow groove can be shoveled away through the inclined plate at the bottom of the shovel plate and the conical chamfers on the two sides, the sediments can be shoveled away and accumulated to one side of the overflow groove along with movement of the shovel plate, and the sediments can be conveniently cleaned away.

The invention relates to the technical field of monitoring devices, in particular to an intelligent sediment flow real-time monitoring device for river hydrographic detection, which comprises a fixing frame, a monitoring cylinder is fixedly mounted at the bottom of the fixing frame, and a right sealing plate is hermetically mounted on one side of the monitoring cylinder through a plurality of bolts. A rotating shaft is rotationally installed in the right sealing plate through a bearing, two collecting mechanisms are fixedly installed on the outer side of the rotating shaft, a left sealing plate is installed on the other side of the monitoring cylinder in a sealed mode through a plurality of bolts, a reciprocating mechanism is arranged on the side, away from the monitoring cylinder, of the left sealing plate, and an air cavity is formed in the monitoring cylinder after the monitoring cylinder sinks into water. The design of two sets of collecting mechanisms is adopted, silt in river water can be monitored uninterruptedly, when one end of the net barrel is used for filtering and collecting, the other end of the net barrel faces the water outlet, river flowing water can be used for flushing silt monitored last time, and therefore the silt in the river water can be washed away. And each net cylinder can be used for collecting, detecting and washing circulating monitoring.

The utility model belongs to the technical field of hot galvanizing, and particularly relates to a pickling tank. The utility model provides a pre-pickling tank for hot galvanizing, which comprises a tank body provided with a liquid inlet end and a liquid outlet end; the flow guide plate is mounted on the bottom surface of the tank body, and the top surface of the flow guide plate is an inclined surface inclining downwards from the liquid inlet end to the liquid discharge end; the sediment temporary storage structure is arranged at the liquid discharge end and is provided with a spherical sewage inlet and a sewage outlet, the spherical sewage inlet faces the interior of the tank body and is communicated with the interior of the tank body, and the sewage outlet faces the exterior of the tank body; wherein the sediment flows from the liquid inlet end to the liquid discharge end along with liquid along the flow guide plate, so that the sediment enters the sediment temporary storage structure from the spherical sewage inlet, and the sewage outlet is configured to be opened to discharge the temporarily stored sediment; according to the pickling tank, the sediment temporary storage structure and the flow guide plate are arranged, so that the effect of cleaning sediment while the pickling tank operates is realized, the working pause of the pickling tank is avoided, and the pickling efficiency is improved.

A partition plate is arranged between a suction cabin and a sedimentation cabin of the bilge well, a manhole is formed in the partition plate, the sand baffle is arranged on one side of the manhole and completely covers the manhole, a plurality of filter screen holes are evenly formed in the middle of the sand baffle, and the filter screen holes are communicated with the suction cabin and the sedimentation cabin of the bilge well. A top plate bent outwards is arranged at the top end of the sand blocking plate, the partition plate is fixedly connected with limiting plates for limiting displacement of the sand blocking plate, a notch is formed in the side, close to the partition plate, of each limiting plate, the limiting plates and the partition plate jointly form a limiting groove, and the limiting plates comprise the horizontal limiting plates and the vertical limiting plates. The vertical limiting plate is arranged below the sand blocking plate, the bottom face of the top plate and the top face of the horizontal limiting plate are fixed in a lap joint mode, and U-shaped grooves matched with the horizontal limiting plate are formed in the two sides of the sand blocking plate. The bilge well structure is simple in structure, silt can be prevented from flowing into the sedimentation tank, the bilge well structure can be easily disassembled, and later maintenance is quite convenient.

The utility model discloses an automatic sediment flow monitoring device which comprises a floating disc, a guide sleeve, a threaded rod, a protective frame, a sediment meter, a worm gear, a worm and a rotating handle. According to the sediment flow monitoring device, a guide sleeve is fixedly connected to the middle of a floating disc in a penetrating mode, a threaded rod matched with the guide sleeve slidably penetrates through the guide sleeve, a protection frame is fixedly connected to the bottom end of the threaded rod, a sediment meter is fixedly installed on the inner side of the bottom of the protection frame, a threaded sleeve is rotationally connected to the top face of the guide sleeve, and a worm wheel is fixedly connected to the outer side of the threaded sleeve; a worm in meshing transmission with the worm gear is arranged on the outer side of the worm gear, the worm is rotationally installed on the top face of a floating disc, the end of the worm is fixedly connected with a rotating handle, and the sand measuring instrument is installed in a floating mode through the floating disc, so that the floating disc is always kept in the state of floating on the water surface in the water level rising and falling process; the sand meter is always kept in the water body directly along with floating of the floating disc, additional operation is not needed, and monitoring is more convenient.

The invention provides a method for treating sewage sludge and river sediment, and relates to water treatment engineering and hydraulic engineering for treating river channels. According to the scheme, in the first aspect, the sewage sludge and river sediment treatment method comprises the following steps that sludge and sediment flowing in sewage and a river are intercepted, and the intercepted sludge and sediment are precipitated to a sewage discharging and sediment discharging channel on the lower side of the sewage and the river; on the second aspect, the sewage sludge and river sediment treatment system is characterized in that a conveying device is mounted in a sewage discharging and sediment discharging channel; the conveying device conveys the sludge and the sediment to one side along the length direction of the pollution discharge and sediment discharge channel; the conveying device can gradually lift sludge and silt out of a sewage and river system. According to the device, silt in a river can be cleaned for a long time, secondary utilization of the silt in the river is achieved, cost is saved, and economic benefits are improved. The device can also be used in sewage treatment and feed water treatment, and the sewage treatment capacity can be improved.

The utility model relates to a protection structure for treating an erosion gully head through a bee grid, and belongs to the technical field of erosion gully protection of slope protection. Comprising a ditch head, a side slope and a ditch bottom, the ditch head is trimmed to be fan-shaped and comprises a ditch head protection outlet, and fan-shaped bee grids are laid along the surface layer of the ditch head, anchored and filled with original soil or blended into viscous original soil; the stepped stilling drainage structure is arranged at the bottom of the gutter head protection outlet, bee grids are filled with original soil, the original soil is compacted layer by layer and stacked in a staggered mode, geotechnical cloth is laid between two to five layers, and anti-corrosion pine piles are longitudinally connected in series and anchored. The top bee grid can be filled with soil and then covered with a layer of geotextile or stone for filling. The method has the advantages that the bee grid is light and convenient to carry and construct, local materials can be used as filler, and the transportation cost is reduced; (2) the amount of sediment flowing into the downstream is reduced, and the ditch bottom is leveled and stepped section by section; and (3) a flexible integrated surface soil reinforced structure protects the ditch head from continuous erosion and keeps water and soil.

The invention discloses a device and a method for researching the matching characteristic of sediment fluidization phase change and slurry-making suction and discharge, and relates to the technical field of water conservancy projects. The desilting test research method comprises the following steps: setting a target test working condition; adding silt and water into the test water tank; adjusting water supply flow, slurry pumping flow, reamer rotating speed and reamer position; starting a desilting assembly to carry out multi-dimensional disturbance desilting treatment of scouring, slurry pumping and stirring on deposits in the test water tank, and collecting image data at the same time; detecting slurry concentration data and sediment concentration data; closing the dredging assembly; the data is derived for analysis. According to the desilting test research device and method for the sediment fluidization phase change and slurry making suction and discharge matching characteristic under the multi-dimensional disturbance effect, the desilting slurry making and suction and discharge process under the multi-dimensional disturbance conditions of different angles, different heights and different flow speeds can be simulated so as to conduct desilting test research, rapid setting of different research working conditions is achieved, and the desilting efficiency is improved. Operation is simple, practical and convenient.

The invention relates to a seabed pipe ditch backfilling device and method, the device comprises a vehicle body, a silt adhesion treatment tank, a silt suction device and an adhesion silt fluid output device, the silt adhesion treatment tank is arranged on the vehicle body, and the silt suction device is communicated with an inlet of the silt adhesion treatment tank; the cohesive sediment fluid output device is communicated with an outlet of the sediment suction device; wherein the sediment suction device is used for sucking sediment fluid near a submarine pipe ditch; the silt adhesion treatment tank is used for adding an adhesive into the silt fluid so as to increase the viscosity of the silt fluid and change the silt fluid into viscous silt fluid; and the viscous sediment fluid output device is used for conveying the viscous sediment fluid to the ditch wall and the ditch bottom of the seabed pipe ditch.

The slope protection device for the water conservancy project relates to the technical field of slope protection and comprises a slope body, an intercepting ditch is formed in the top end of the slope body, a filtering assembly is embedded in the intercepting ditch, a plurality of drainage chutes are fixedly connected to the outer surface of the slope body, and baffles are fixedly connected between the drainage chutes; the top end of the slope body is provided with an intercepting ditch, the top end of the slope body is provided with a filtering assembly, the filtering assembly comprises a front-end water storage tank, a connecting tank, a rear-end water storage tank, a groove hole, a butt joint pipe, a bottom plate, a hanging rod, a cover plate and a drainage hole, and the top end of the slope body is provided with the intercepting ditch and the filtering assembly composed of the front-end water storage tank, the connecting tank and the rear-end water storage tank is embedded; by means of the structure, the amount of silt flowing into the lower portion of the slope body is greatly reduced, when it rains, rainwater and the silt brought by the slope top enter the water storage area, the rainwater and the silt can be deposited on the bottom plate under the action of gravity to be accumulated, most of the silt is filtered out, water and soil loss caused by rainwater washing is effectively prevented, and the good protection effect on the slope body is achieved.

The utility model discloses an erosion gully head treatment structure which comprises an erosion gully head body, a first vegetation planting area is arranged on the left side of the erosion gully head body, an intercepting ditch is arranged on the side face of the erosion gully head body, and a sand basin is arranged on the other side of the intercepting ditch. By means of the structure, the problem that when a traditional erosion gully treatment structure is used for coping with water flow scouring from the upstream, water flow usually flows to the erosion gully along with a large amount of sediment can be solved, the problem that erosion of the gully head of the erosion gully is aggravated by the sediment is solved, and the problem that the gully head of the erosion gully possibly has land collapse is solved; the problems that when treatment structures of part of erosion ditches encounter upstream water flow, soil loss and manual clogging are generally prevented in a clogging mode, the good treatment effect cannot be achieved, but new ditch scouring can be generated are solved, and the problem that the treatment cost is greatly increased due to the fact that the erosion ditches are increased is solved.

The utility model relates to the technical field of culvert pipe drainage, in particular to an anti-clogging water conservancy project culvert pipe drainage structure which comprises a culvert pipe drainage structure body, a reinforced concrete culvert pipe and a plastic culvert pipe which are connected in an inserted mode are arranged outside the culvert pipe drainage structure body, and a drainage guide cover is clamped to the end of the culvert pipe drainage structure body. Limiting protrusions are symmetrically arranged on the two sides of the interior of the plastic culvert pipe, a water spraying pipe is further installed on the top of the inner side of the plastic culvert pipe, push-pull limiting rings are movably clamped in the plastic culvert pipe at equal intervals, and an end filter screen is fastened and clamped in the push-pull limiting rings at the end positions. According to the anti-blocking water conservancy project culvert pipe drainage structure, the reinforced concrete culvert pipe and the plastic culvert pipe are combined in a sleeved mode, so that the culvert pipe has the hardness of reinforced concrete and the smoothness of plastic, meanwhile, the push-pull limiting ring is arranged in the culvert pipe, sediments in the culvert pipe can be loosened regularly, the sediments can flow away along with drainage, and the culvert pipe is prevented from being blocked.

The embodiment of the invention provides a riverbed terrain determination method and device, equipment, a medium and a product, and relates to the technical field of riverbed evolution and deposition simulation. According to the method, river data, sediment data and physical data are obtained, in the process of traversing a target time step, the target flow velocity related to the water level is calculated according to the river data, and then the target sediment flow is calculated in combination with the physical data, the target flow velocity and the sediment data. Then performing riverbed form evolution based on the target sediment flow to obtain a riverbed profile of a target node in the time step, and finally traversing all the time steps and integrating the riverbed profiles of all the time steps to obtain a riverbed terrain in a target time period. In the whole process, calculation related to water flow dynamics, calculation related to sediment transportation and evolution of the riverbed terrain form coherent closed-loop iteration, the situation of interaction lag caused by relative independence of all physical processes is avoided, and the technical problem that in the prior art, the riverbed terrain determination efficiency is low is solved.