29 results about "Sediment control" patented technology

A sediment control device is disclosed. The device includes an elongate fabric and a plurality of sleeves attached to the fabric. The plurality of sleeves extend generally perpendicular to a longitudinal axis of the fabric and are configured to receive a stake for securing the sediment control device to soil. Each sleeve is spaced a distance from an adjacent sleeve. In use, the fabric is laid out along a soil path, a bottom portion of the fabric is trenched into soil, and the stake is inserted into each sleeve such that the sediment control device is secured to soil. The bottom portion can then be backfilled.

The invention relates to the technical field of hydrological intelligent prediction and sediment regulation and control, and discloses a reservoir sediment scheduling multi-scheme generation method based on a generative adversarial network and a large language model, and the method comprises the steps: collecting reservoir water and sediment data, carrying out the preprocessing, generating a standardized sample library, constructing a time sequence input feature sequence, and carrying out the feature extraction; and generating multiple sets of future sediment evolution schemes and corresponding regulation and control strategies, determining a final scheme through inspection and risk scoring, generating a quantitative execution evaluation report, and performing iterative optimization. According to the method, the generative adversarial network and the large language model are fused, and data preprocessing, constraint verification, risk quantification and iterative optimization means are combined, so that diversified generation and accurate regulation and control of multiple reservoir sediment scheduling schemes are realized, and scientific and reliable decision support is provided for long-term safe operation of the reservoir and sediment control.

The invention relates to an underground diaphragm wall construction method, belongs to the technical field of deep foundation support construction in building construction, and mainly solves the technical problems of groove wall collapse and large sediment control difficulty caused by unstable slurry performance in the grooving process of an underground diaphragm wall. The method comprises the steps that a reinforced concrete guide wall is used for guiding, a hydraulic grab bucket is used for excavating a groove section with the length of 6-8 m and the depth of 20-50 m, the density and viscosity of slurry are monitored in real time, bentonite slurry is added so that the density can be maintained to be 1.1-1.3 g / cm < 3 >, and a carboxymethyl cellulose solution is added so that the viscosity of a Markov funnel can be maintained to be 40-50 s; and after hole cleaning, the sediment thickness is ensured to be smaller than 100 mm, then a reinforcement cage is put down, and underwater concrete is poured through a guide pipe method. The method can effectively guarantee the stability of the groove wall and the concrete pouring quality, improves the integrity and anti-seepage performance of the wall body, and is mainly used for deep foundation pit supporting, underground structure anti-seepage and bearing wall construction.

An independent control manifold is configured to handle supplying a cleaning fluid to, and extracting a sediment from an operational tank, The control manifold includes a supply block configured to receive the cleaning fluid from an external first tank and to supply the cleaning fluid to the operational tank; a discharge block configured to receive the sediment from the operational tank and to supply the sediment to an external second tank; and a venturi eductor that fluidly connects the supply block to the discharge block, and is configured to either extract the sediment from the operational tank or to recover the cleaning fluid.

The application discloses a water tank test device for simulating vertical distribution of water flow and sediment and a use method thereof, which comprises a water tank, a primary turbulent flow pipe, a secondary turbulent flow pipe, a water pump, a water supply flow valve, a stirring barrel, an electric motor, a booster pump, a slurry flow valve and a sand outlet. The water supply system outside the water tank is connected with the water pump and the water supply flow valve to supply water to the water tank. The primary turbulent flow pipe and the secondary turbulent flow pipe inside the water tank form a turbulent flow system. A steel plate is fixedly connected with a steel frame outside the water tank and located above the primary turbulent flow pipe. The booster pump is fixed on the steel plate and connected with the stirring barrel through a conduit. The electric motor controls stirring of the stirring barrel. A valve is installed on the conduit between the slurry flow valve and the stirring barrel. The slurry flow valve is connected with the sand outlet through a conduit to form a sediment control system. The three systems and the water tank are combined to form a test device capable of controlling vertical distribution of water and sediment. The application can make simulation test conditions more consistent with real conditions, thereby enhancing accuracy of test results.

The invention belongs to the technical field of pumped storage power station model testing, and particularly discloses a pumped storage model testing device capable of measuring the sand content passing through a machine and a testing method thereof.The device comprises an upper model reservoir, a lower model reservoir and a forebay, and a pumping model and a drainage model are arranged between the upper model reservoir and the lower model reservoir; the water pumping model and the water discharging model are each composed of an intelligent flow control module, a machine-passing sediment monitoring module and a water conveying pipeline. According to the pumped storage model test device capable of measuring the sand content passing through the machine and the test method of the pumped storage model test device, the sand content passing through the machine is measured in real time according to the operation condition of a pumped storage power station from the angle of model test, and the response change of the sand content to different water and sand conditions is investigated; scientific basis is provided for water pump safe operation and sediment control strategy optimization, and then the problem that in the prior art, monitoring and understanding of the sand content passing through the pump in the actual operation process of the pumped storage power station are insufficient is solved.

A ditch check system and methods for storm water control are provided. The ditch check system can include a velocity-restricting component of geotextile fabric with one or more porosities configured to control velocities of storm water flows for sediment control and silt retention. The velocity-restricting component can have one or more reinforcing elements to provide additional support against tearing and / or undue movement, as well as attachment points for fastening the fabric to support members. The ditch check system can further include a front water seal and a rear scour guard attached to the velocity-restricting component, and which are substantially impermeable to vertical water flow to inhibit ditch scouring and prevent the flow of storm water under the ditch check system. To facilitate transportation, installation, and assembly, one or more of the components of the ditch check system can be supplied as a pre-assembled package.

The invention discloses an irrigation area canal system water and sediment resource cooperative regulation and control method, system and device and a storage medium. The method comprises the steps that a canal system is divided into a plurality of canal sections, information of all the canal sections is collected, a canal system water quantity balance model and a sediment resource supply and demand model are established, a sediment needing area and a sediment controlling area are recognized, and the configurable sediment amount is calculated. And on the basis, with maximization of the water consumption satisfaction rate, maximization of the sediment guarantee degree of the sediment needing area and minimization of the sedimentation risk of the sediment control area as targets, a water-sediment coupling collaborative optimization model is constructed, an optimal configuration solution set of the water quantity distribution and sediment resource configuration weight of each channel section is solved, and an executable scheduling instruction is generated. The regulation and control system dynamically adjusts a scheduling scheme by monitoring the flow, the sand content and the deposition change data of the canal section on line, and scientific management and optimal configuration of water and sand resources of the canal system in the irrigation area are achieved. The method has the advantages of being easy and convenient to operate and high in feasibility, and can be widely applied to optimal configuration and cooperative regulation and control of irrigation area canal system water and sand resources.

A universal produced liquid sediment radical treatment device relates to the technical field of petroleum equipment and comprises an upper connector, an outer working barrel, a liquid suction pipe, an eccentric single-flow filtrate pipe, a multifunctional spiral blade, a pure liquid isolation pipe and a lower connector, the multifunctional spiral blade is surrounded by the outer wall of the liquid suction pipe, and an arc-shaped hole is formed in the inner side of the multifunctional spiral blade. The upper portion of the eccentric single-flow filtrate pipe is provided with an open pipe wall, the lower portion of the eccentric single-flow filtrate pipe is closed, the lower end of the eccentric single-flow filtrate pipe is welded to the top end of the pure liquid isolation pipe, the whole formed by the eccentric single-flow filtrate pipe and the pure liquid isolation pipe is sleeved with the outer working barrel, and the top end of the outer working barrel is welded to the upper connector. The lower joint is welded at the bottom; a liquid inlet hole is formed in the outer working barrel. The universal produced liquid sediment radical treatment device not only can effectively separate liquid, gas, sand and dirt, but also can separate fine-particle muddy substances, the separation rate can reach 99% or above, and meanwhile, the separated substances can be automatically collected.

The invention discloses a method for simulating and diagnosing siltation based on mechanism-data coupling driving, and belongs to the technical field of urban drainage system siltation condition simulation and diagnosis. According to the method, the liquid level and flow data of the key point location of the combined system pipeline are predicted through the LSTM neural network, and the sediment thickness is inversely calculated in combination with the Manning formula; rewriting and constructing a sediment mechanism model based on an SWMM model, and coupling a sediment control equation and a transportation equation; and calibrating key parameters of the mechanism model by using sediment thickness data output by the data driving model to form a hybrid simulation model. The mean square error of the hybrid model is less than 1%, the mean absolute error is 0.018 m, the correlation coefficient R2 is 0.68, and the time for simulating the change of a 10d deposition layer reaches a minute level. According to the method, the dependency of a mechanism model on field sampling data is reduced, the defect of insufficient interpretability of a data driving model is overcome, the precision and efficiency of combined system pipeline sediment simulation are improved, and the method is suitable for sediment management and control of an urban drainage system.

The invention relates to the technical field of water and soil conservation and water resource regulation and control, in particular to a soil-biology-engineering reservoir collaborative reservoir expansion and capacity increase method and system for a dry and hot valley area. By constructing a'soil-biology-engineering 'multi-source reservoir cooperative system, full-watershed sediment control, vegetation structure optimization, efficient water utilization and'three-reservoir' cooperative capacity increase are achieved, and the method has the following beneficial effects that (1) reservoir sediment deposition is remarkably reduced, and the engineering service life is prolonged; vegetation survival rate and ecological stability are improved, and manual irrigation dependence is reduced; (3) the utilization efficiency of water resources is improved by 30-50%; 4, the soil water storage capacity is enhanced, and the soil structure is improved; and (5) resource utilization of ineffective rainfall is realized, and regional drought resistance is improved.

The invention discloses an air conditioner and a control method and device thereof, a storage medium and a computer program product, the air conditioner is provided with an outdoor unit and an indoor unit, the outdoor unit is provided with a compressor and a fresh air fan, and the indoor unit is provided with an indoor fan, an electric auxiliary heating module and a drainage pipe; the method comprises the steps that under the conditions that the air conditioner is started and an indoor fan runs, the temperature and humidity in the indoor unit are obtained; according to the temperature and humidity in the indoor unit, the water accumulation condition in the indoor unit is determined; according to the water accumulation condition in the indoor unit, at least one of an indoor fan and a fresh air fan is controlled, and sediments in the drainage pipe are dredged; and at least one of the compressor, the electric auxiliary heating module and the indoor fan is controlled to clean the interior of the indoor unit. According to the scheme, according to the detection result of the accumulated water condition in the indoor unit, the positive and negative pressure alternate dredging and integrated cleaning and sterilizing strategy is executed for cleaning, the cleaning effect on the interior of the indoor unit is improved, and the user experience is improved.

The invention discloses a kind of pile foundation sediment control device, belong to the technical field of pile foundation construction device of building;It includes annular sheath;One end of annular sheath is sheathed in the outer circumferential side of the bottom of reinforcement cage for inserting hole pile;Limiting plate in cantilever shape is installed on the inner side end face of annular sheath;Hollow function support is detachably installed on limiting plate;A plurality of water outlet nozzles are provided on the side end face of function support towards the axis of annular sheath, and a movable water pipe made of rigid material is also provided on function support;The lower end of movable water pipe is communicated with water outlet nozzle through the inner cavity of function support, and extends upward along the axis of annular sheath;The length of movable water pipe is greater than the depth of hole pile;The top of movable water pipe is connected with water pump through adapter pipe;The invention effectively solves the problem of poor cleaning effect and easy damage to hole wall caused by conventional cleaning means for sediment in hole pile.

The present invention provides a method for systematically controlling the sedimentation of the Yellow River through an engineering system. The method comprises: analyzing and judging the concentrated sediment source areas, reservoir projects, plain and wide river sections, and estuary flow path swing areas within the basin, inputting the corresponding analysis and judgment results into corresponding control subsystems, thereby constructing a four-level control subsystem, identifying the control factors and feedback factors of each level of control subsystem, and further optimizing the control measures at each level based on the information transmission of the control factors and the feedback of the feedback factors in each level of control subsystem to achieve the control of the Yellow River sediment system. From a system perspective, the method tracks the evolution of the generation, transport, siltation, and scouring of river sediment, and feedback and transmission of sediment change information by setting up a cascade of engineering controls for inflow sediment control, node reservoir sediment control, river channel sediment control, and estuary sediment control, thereby achieving comprehensive treatment of the Yellow River sediment.

The present invention aims to provide a sediment control dam structure that can efficiently remove sediment and rocks accumulated on the dam with a simple structure, thereby reducing the cost of installing access roads and enabling construction in a short period of time. [Solution] The present invention provides a sediment control dam structure comprising: a sediment control dam 10 installed in a stream G to suppress the flow of sediment and rocks downstream; and a management road 20 used for removing and transporting sediment and rocks from the sediment accumulation area S of the sediment control dam 10, wherein the management road 20 has a downstream slope 22 connecting the downstream area D of the sediment control dam 10 and the top surface 12 of the sediment control dam 10.

The invention discloses a suspended sediment control method under a complex wave flow condition, and belongs to the technical field of suspended sediment control, and the method comprises the following steps: building a temporary platform, arranging an avoiding groove in the temporary platform, hammering steel pipe piles in the avoiding groove one by one, encircling a plurality of steel pipe piles to form a steel cofferdam, and controlling suspended sediment through a suction filtering device when the steel pipe piles are hammered; the suction filtering device comprises a following trolley and a cover, the cover corresponds to the lower end of the steel pipe pile, a filtering box is arranged on the upper side of the following trolley, one side of the following trolley is fixedly connected with a supporting rod, the supporting rod is fixedly connected with a hanging pipe, one end of the hanging pipe is fixedly connected with the filtering box, and the hanging pipe extends into the cover and is fixedly connected with the cover. Suspended silt generated by construction and part of water are pumped into the filter box to be purified, purified water is discharged into the water again, on one hand, the cover body slows down flowing of the water to cause flowing of the suspended silt generated by construction, on the other hand, the generated suspended silt is pumped away and purified instantly, and water pollution is avoided.

The invention relates to a river reservoir suspended sediment remote sensing recognition system and method based on water color difference, and belongs to the technical field of water ecological environment monitoring. The method comprises the following steps: firstly, acquiring a multispectral satellite image through a GEE cloud platform, and extracting reflectivity data of main and branch flows through preprocessing such as atmospheric correction and image fusion; performing space-time registration on the in-situ turbidity measured value and the satellite reflectivity to construct a training data set; aiming at different water color characteristics of the main stream and the branch stream, respectively establishing a support vector regression machine learning model of the main stream and a multi-hydrological-period empirical model of the branch stream, and realizing high-precision zoning inversion of turbidity; and finally, identifying the suspended sediment water body through turbidity grading, and generating a spatial-temporal distribution map. The method effectively solves the problem of water color difference of the main stream and the branch stream caused by reservoir regulation, remarkably improves the precision and the reliability of remote sensing monitoring of the suspended sediment, and provides technical support for river reservoir sediment treatment and water environment management.

The present application belongs to the technical field of pumped storage power station model test, and specifically discloses a pumped storage model test device capable of measuring sediment concentration through the machine and a test method thereof, which comprises a model upper reservoir, a model lower reservoir and a forebay, and a pumped model and a discharged model are arranged between the model upper reservoir and the model lower reservoir; the pumped model and the discharged model are both composed of a flow intelligent control module, a sediment monitoring module through the machine and a water delivery pipeline. The present application uses the pumped storage model test device capable of measuring sediment concentration through the machine and the test method thereof, and from the perspective of model test, the sediment concentration through the machine is measured in real time for the operation condition of the pumped storage power station, the response change thereof to different water and sediment conditions is investigated, scientific basis is provided for the safe operation of the water pump and the optimization of the sediment control strategy, and thus the problem of insufficient monitoring and understanding of the sediment concentration through the machine in the actual operation process of the pumped storage power station in the prior art is solved.

A dual-energy-dissipation drainage ditch belongs to the technical field of drainage ditches. The ditch comprises a gradient permeation energy dissipation unit and a spiral flow channel energy dissipation unit, the gradient permeation energy dissipation unit is the ditch bottom of the ditch, a graded broken stone layer, a basalt fiber net layer and a pervious concrete layer are sequentially laid from bottom to top, and the porosity of the pervious concrete layer is gradually decreased from 25% to 15% according to the gradient in the water flow direction; the graded broken stone layer is uniformly paved parallel to the ditch bottom; the basalt fiber net layer is flatly laid on the graded broken stone layer, meshes of the basalt fiber net layer are of a hexagonal honeycomb structure, each spiral flow channel energy dissipation unit comprises a ditch wall and spiral ribs arranged on the inner side of the ditch wall, and the number of the spiral ribs on each side is 2-3 rows. The energy dissipation efficiency, the anti-scouring performance, the sediment control performance and the long-term stability of the structure exceed those of a traditional technology, and an efficient and reliable solution is provided for high slope drainage engineering.

To provide a transverse-beam type sediment control dam that allows for safe and efficient attachment and detachment of transverse beams. [Solution] The system comprises a permeable trapping body 10 installed on a concrete support foundation 60, the permeable trapping body 10 comprising a permeable filter unit 20 having multiple horizontal beams 40 erected in parallel at a position spaced apart from the support foundation 60, a three-dimensional support column 30 supporting the filter unit 20, and a horizontal beam positioning device 50 capable of individually fixing both ends of the multiple horizontal beams 40, the horizontal beam positioning device 50 comprising a strip-shaped fixing receiving plate 51 having multiple accommodating grooves capable of accommodating the horizontal beams 40, multiple restraining pieces 52 capable of restraining the horizontal beams, and a detachable connecting element connecting the fixing receiving plate 51 and the restraining pieces 52, and the horizontal beams 40 can be individually attached and detached by individually attaching and detaching the restraining pieces 52.

The invention belongs to the field of lubricating oil, and particularly relates to a gear oil composition and application thereof. The gear oil composition comprises the following components in parts by weight: base oil, a sulfur type extreme pressure agent and a phosphorus type anti-wear agent, the mass ratio of the sulfur type extreme pressure agent to the phosphorus type anti-wear agent is 1: (0.5-2), and the mass ratio of the sulfur type extreme pressure agent to the phosphorus type anti-wear agent in the gear oil composition is 1.0%-5.0%. The special oil composition for the seawater circulating pump gear box provided by the invention can improve the compatibility and salt fog resistance to multiple metals, meets the special requirements of customers on the seawater circulating pump gear oil adopting traditional bearings and sliding bearing gear boxes, and has the advantages of excellent shear stability, oxidation stability, excellent sediment control, excellent corrosion resistance, excellent corrosion resistance and the like. The seawater circulating pump has the advantages of long tooth surface wear protection, low foaming tendency and no harmful chemical substances in the system, so that the seawater circulating pump has a wider application prospect in the seawater circulating pump market.

A ditch check system and methods for storm water control are provided. The ditch check system can include a velocity-restricting component of geotextile fabric with one or more porosities configured to control velocities of storm water flows for sediment control and silt retention. The velocity-restricting component can have one or more reinforcing elements to provide additional support against tearing and / or undue movement, as well as attachment points for fastening the fabric to support members. The ditch check system can further include a front water seal and a rear scour guard attached to the velocity-restricting component, and which are substantially impermeable to vertical water flow to inhibit ditch scouring and prevent the flow of storm water under the ditch check system. To facilitate transportation, installation, and assembly, one or more of the components of the ditch check system can be supplied as a pre-assembled package.

The present application relates to the technical field of data processing, in particular to a method and system for identifying main control factors of heavy metal storage in mangrove wetlands, which comprises the following steps: obtaining the content of heavy metals and the content of each sedimentary element at different depths of the mangrove wetlands; performing principal component analysis on the content of heavy metals and the content of each sedimentary element at different depths to identify the sedimentary elements affecting the heavy metal occurrence capacity; performing correlation analysis on the principal component scores and the heavy metal content to determine the principal components significantly related to the heavy metal occurrence capacity; determining the contribution proportion of the main sedimentary elements to the heavy metal occurrence capacity, and determining the sediment control factors of the heavy metal occurrence capacity of the mangrove wetland sediments based on the contribution proportion; and the present application can identify the main control factors of heavy metal storage in mangrove wetlands.

The application is a river reservoir suspended sediment remote sensing recognition system and method based on water color difference, belonging to the technical field of aquatic ecological environment monitoring. First, multispectral satellite images are obtained through the GEE cloud platform, and dry and branch stream reflectivity data are extracted after preprocessing such as atmospheric correction and image fusion. Then, in-situ turbidity measurement values are spatiotemporally matched with satellite reflectivity to construct a training data set. According to the different water color characteristics of the dry and branch streams, a support vector regression machine learning model for the dry stream and a multi-hydrological period empirical model for the branch stream are respectively established to realize high-precision partition inversion of turbidity. Finally, suspended sediment water bodies are identified through turbidity grading, and a spatiotemporal distribution atlas is generated. The application effectively solves the problem of water color difference between dry and branch streams caused by reservoir regulation, significantly improves the precision and reliability of suspended sediment remote sensing monitoring, and provides technical support for river reservoir sediment control and water environment management.

The present application belongs to the technical field of watershed sediment control of hydraulic engineering, and particularly relates to a reservoir sediment dynamic balance method and system based on multi-source data fusion and intelligent regulation. In view of the problems of fragmented monitoring, insufficient prediction accuracy and lagging regulation response in the existing reservoir sediment management, the present application constructs an integrated monitoring network of "sky-ground-water" and a multi-source data spatio-temporal fusion mechanism, establishes a machine learning prediction model based on physical-data fusion, generates a Pareto optimal scheduling scheme combined with a multi-objective optimization algorithm, realizes model self-evolution and knowledge base self-update through a closed-loop feedback learning mechanism, and forms a whole-process intelligent system of "monitoring-prediction-regulation-feedback". The present application can realize accurate medium and long term prediction and self-adaptive regulation of reservoir siltation trend, take into account multiple targets such as sediment discharge and power generation, effectively reduce the cost of dredging, and prolong the service life of the reservoir.

The application discloses a kind of complex wave flow conditions under suspended sediment control method, belong to suspended sediment control technical field, including erecting temporary platform, temporary platform sets avoidance groove, in avoidance groove is carried out steel pipe pile each hammering, multiple steel pipe piles form steel cofferdam, when steel pipe pile hammering is controlled suspended sediment by suction filtration device;Suction filtration device includes following trolley and cover body, cover body is set to the lower end of steel pipe pile, filter box is set on the following trolley upper side, following trolley side is fixedly connected with support rod, support rod is fixedly connected with pipe hanger, pipe hanger one end is fixedly connected with filter box, pipe hanger is inserted into cover body and is fixedly connected with cover body.The application is purified by being drawn into filter box with the suspended sediment of construction together with part of water body, and the water after purification is discharged to water body, on the one hand, cover body slows down the flow of water body and causes the flow of construction suspended sediment, on the other hand, suspended sediment is immediately drawn away and purified, to avoid polluting water body.

This invention discloses a method and system for coordinated control of pollutant deposition and flushing in sewage from a residential community, comprising the following steps: Step S1: Domestic sewage discharged by residents is discharged into the pipeline through an inspection well, and the pipeline operation mode is identified based on the drainage time period of the residents input by the remote control center; Step S2: Different drainage controls are implemented according to different time periods; Step S3: During system operation, the sediment height and methane gas in the sediment control tank 1 are monitored and warned in real time; the on-duty personnel at the remote control center promptly and accurately switch the mode in step S2 or take relevant operation and maintenance strategies to dredge the pipes based on the warning signals transmitted by the ultrasonic sludge level gauge and the infrared gas detector. This method and system, by setting the operation modes of the sediment control tank and sewage pipelines for different drainage time periods, reduces pollutant deposition in the pipelines of the residential community from the source and improves the collection efficiency of domestic sewage pollutants while leveraging the initial interception and sedimentation function of the septic tank.

This invention provides a method for sediment control in water conservancy projects on sediment-laden rivers, comprising: collecting runoff and sediment data from inflow hydrological stations to analyze the characteristics of inflow water and sediment and the properties of floodwater and sediment; collecting reservoir operation data and reservoir sedimentation data to analyze the sedimentation process and distribution in the reservoir area, thereby obtaining the reservoir sediment discharge pattern; collecting reservoir design data to determine the scale of reservoir dredging and sediment control targets; formulating reservoir sediment discharge operation methods, and combining measured water and sediment data to determine the changes in scouring and sedimentation in the reservoir area and the scouring efficiency, thereby analyzing the longitudinal and transverse cross-sectional morphology, channel morphology, channel size, and scouring range of the reservoir to determine the effects of hydraulic dredging and mechanical dredging; determining the location for pushing sediment into the channel and the annual amount of sediment pushed in, and formulating a reservoir sediment control scheme based on hydraulic regulation and mechanical pushing of sediment into the channel to control dredging of the reservoir. The invention proposes a technology based on hydraulic scouring supplemented by mechanical dredging, which facilitates the efficient treatment of engineering sediment.