20 results about "Sediment flow" patented technology

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 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 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 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.

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 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 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.

The application discloses a rock pipe-jacking self-suction pipe bottom sediment cleaning device and a cleaning method, which comprises a total sediment cleaning pipe, a pump station and a sediment deposition tank which are sequentially connected, and a controller. At least one pipe joint is arranged on the total sediment cleaning pipe, and the pipe joint is connected with a sediment cleaning branch pipe, so that the total sediment cleaning pipe and the sediment cleaning branch pipe are communicated. A valve and a first solid flowmeter are arranged on the sediment cleaning branch pipe, the valve is used for controlling opening and closing of the sediment cleaning branch pipe, and the first solid flowmeter is used for monitoring sediment flow in the sediment cleaning branch pipe. The pump station comprises a self-suction pump and a second solid flowmeter, is used for sucking the pipe bottom sediment of the sediment cleaning branch pipe into the sediment cleaning branch pipe and recycling the pipe bottom sediment through the sediment deposition tank, and the second solid flowmeter is used for monitoring the sediment flow in the pump station. The controller is electrically connected with the valve, the first solid flowmeter and the second solid flowmeter. The application monitors the whole sediment cleaning process through the controller, adjusts the valve opening degree according to real-time data of the first solid flowmeter and the second solid flowmeter, improves the sediment cleaning efficiency, reduces the personnel demand on the construction site, and improves the construction safety and efficiency.

The invention discloses a silt settling machine suitable for a sea intestine catching boat, and relates to the technical field of aquaculture equipment. The sedimentation machine comprises a front connecting traction rod, a box body frame, a three-stage water retaining assembly and a sediment flow guide mechanism, the front connecting traction rod is arranged in front of the box body frame and hinged to the bottom of the front end face of the box body frame, the box body frame is of an inclined box body with the high front portion and the low rear portion, and the three-stage water retaining assembly is arranged in the box body frame and hinged to the bottom of the front end face of the box body frame. And the sediment flow guide mechanism is arranged at the bottom of the box body frame and is rotationally connected with the box body frame. According to the sediment sedimentation machine suitable for the sea intestine catching boat, the water flow guiding function and the suspended matter intercepting function are optimized, sediment diffusion caused by water flow disturbance in the catching process can be remarkably restrained, and therefore secondary damage to the seabed sedimentary environment is reduced while the harvesting efficiency is improved.

The present invention relates to a barrier plate support device that allows barrier plates installed to block water or sediment flowing in due to floods, heavy rain, or landslides to be connected to each other, as well as to support the barrier plates to maintain an upright state. By equipping this device with various convenience and safety functions, the invention relates to a barrier plate support device that can be applied in various fields, such as a support for a no-entry sign to control the entry of people or vehicles into dangerous areas like road sinkholes or cliffs, as well as in the aforementioned situations, and a support for a fence installed to protect facilities and property.

The invention discloses a sediment flow state path determination method suitable for a high-sediment-content river channel. The method comprises the steps that S1, the riverbed terrain, flow velocity and flow direction data and water surface suspended sediment concentration distribution of the high-sediment-content river channel are obtained; s2, a three-dimensional fluid dynamic model is imported, a high-sediment-content river sediment transportation numerical model is constructed, and the sediment transportation process is simulated; s3, dividing different diffusion areas of sediment according to the sediment transportation numerical model; s4, according to the divided areas, obtaining a sediment flow main path, and establishing a function relationship among the main path swing amplitude, the flow, the water level and the riverbed roughness; and S5, predicting the main path of the sediment flow under the flood of different frequencies, changing the local terrain of the river channel according to a prediction result, and regulating and controlling the sediment flow state of the high-sediment-content river channel. According to the method, breakthrough is realized in concentration description, region division and prediction precision, and a more efficient and reliable technical means is provided for regulation and control of river sediment transportation.

The embodiment of the invention discloses an electric field self-adaption sediment fluid adjusting method and device based on neurodynamics, the method and device are used for sediment separation in a hydrocyclone, and the method comprises the steps that sediment characteristic data in sewage are collected; generating simulation data according to a discrete element method of computational fluid dynamics, and training a neurodynamics model by using the simulation data; generating a particle aggregation probability and a settlement path by using a neurodynamic model; predicting particle distribution and sedimentation trend in a future preset time period according to the agglomeration probability, the sedimentation path and the sediment characteristic data; generating a continuous electric field spectrum by adopting a deep reinforcement learning model according to a prediction result; and dynamically adjusting the electric field intensity and the gradient rate parameter value of the hydrocyclone according to the continuous electric field spectrum. And the silt separation efficiency and the adaptability to different working conditions are improved.

This utility model relates to the technical field of soil and water conservation equipment, and discloses a centrifugal drying device for soil and water conservation simulation experiments. It includes a base, a weight detection element, a shell, a rotating drum, a receiving container, an air supply mechanism, a heating mechanism, and a rotation drive mechanism. The weight detection element is mounted on the base; the shell is mounted on the weight detection element and has a liquid outlet and an air outlet; the rotating drum is rotatably installed inside the shell, and its wall has a first through hole; multiple receiving containers are arranged circumferentially inside the rotating drum, and their side walls have second through holes; the receiving containers are used to receive sediment flowing from the guide channel; the air supply mechanism includes a nozzle located inside the rotating drum; the heating mechanism is located inside the rotating drum and is used to heat the gas supplied to the nozzle; the rotation drive mechanism is located inside the shell and is connected to the rotating drum to drive its rotation. This utility model can improve the efficiency of sediment treatment and shorten the time required after soil and water conservation simulation experiments.

The invention discloses a sediment flow hydrological intelligent real-time monitoring device, and relates to the technical field of sediment flow monitoring, the sediment flow hydrological intelligent real-time monitoring device comprises a fixing frame, the lower surface of the fixing frame is fixedly connected with a monitoring main shell and a side shell, and the inner bottom wall of one side of the monitoring main shell is fixedly provided with a flow sensor; the output end of the first motor is fixedly connected with a cleaning and scraping mechanism, the first filter plate and the second filter plate are rotationally cleaned and scraped in the rotating process of the rotating roller, the outer surface of the center of the rotating roller is in transmission connection with a sand dredging mechanism, and sand entering the centrifugal cylinder is dredged through reciprocating of a sand dredging rod; a centrifugal rotating mechanism is fixedly installed in the lower shell, separated sediment particles are conveyed into the inner shell through centrifugal force in the rotating process, and the weight of sediment is monitored in real time through a weighing sensor in the inner shell. And the stability of long-term real-time monitoring of the sediment flow is improved.

The present application relates to a dam simulation test platform stability analysis method under the combined action of multiple loads, comprising: modeling the steel cable used for the test platform binding fixation, analyzing the stress-strain of the steel cable; obtaining the stability boundary conditions of the structural members of the dam simulation test platform through analysis; analyzing the stability of the structural members of the test platform under large temperature difference conditions; analyzing the stability of the dam simulation test platform under the action of wind load; analyzing the load of the dam simulation test platform under the impact of sediment flow; analyzing the stress-strain of the dam simulation test platform under the combined load, and judging the stability of the dam simulation test platform. The present application calculates the sediment flow impact, wind load and snow load of the dam simulation test platform, analyzes the stress field and strain distribution of the dam simulation test platform under the combined load, judges the stability of the dam simulation test platform, and ensures the structural safety and stability of the test platform under extreme weather conditions.