28results about How to "Reduce flood risk" patented technology

The invention relates to a multi-target water storage scheduling method and system for a large reservoir group, and a storage medium. The method comprises the following steps: step 1, collecting watershed hydrological data; 2, determining an optimization target of combined water storage scheduling of the cascade reservoir group, and setting reservoir scheduling constraint conditions; further determining the priority of each scheduling target, and constructing a two-stage segmented optimization model framework; 3, introducing a partition-based large system aggregation-decomposition method, and optimizing by adopting a parameter-simulation-optimization method to obtain an initial Pareto frontier; 4, based on the initial Pareto frontier in the step 3, a parallel successive optimization algorithm is adopted to further improve a water storage strategy obtained through aggregation decomposition, and efficient utilization of water resources of all subareas is achieved. Optimized water storage management of the large reservoir group can be achieved, and the water storage efficiency of the large reservoir group is improved on the premise that the flood control standard of the original design is not lowered. And further utilization of limited water resources in each subarea in the drainage basin is promoted.

The utility model discloses a steel-concrete combined hanging box wall plate water stopping and slab staggering preventing connecting structure which comprises a plurality of pairs of C-shaped pieces and a plurality of I-shaped pieces, each pair of C-shaped pieces is fixedly installed on a hanging box wall plate used for being matched with the connecting structure for use, and each hanging box wall plate comprises a plurality of sections of steel plate piles which are sequentially arranged; the steel sheet pile comprises a first steel sheet pile section, a middle steel sheet pile section and a tail steel sheet pile section, a connecting cavity is formed between the first steel sheet pile section and the tail steel sheet pile section, all pairs of C-shaped pieces are arranged in the diameter direction of the hanging box, and the two C-shaped pieces in the same pair are installed on the first steel sheet pile section and the tail steel sheet pile section correspondingly; openings of the C-shaped pieces are formed in the sides close to each other, and the I-shaped pieces are inserted into the two C-shaped pieces in the same pair at the same time through the openings of the two C-shaped pieces. The water stop structure has a good water stop effect on the wall plate connecting section.

The invention relates to the field of vehicles, in particular to a road condition prediction method and device, a vehicle and a storage medium, and the method comprises the steps: obtaining broadcast information transmitted by a Bluetooth mesh network; extracting a network identifier and a target credential in the broadcast information, adding a Bluetooth mesh network based on the network identifier and the target credential, and determining a plurality of target other vehicle nodes in the Bluetooth mesh network according to the navigation route of the target vehicle; the active request is sent to a plurality of target other vehicle nodes, each target other vehicle node generates an assembled data packet according to the active request, and the assembled data packet is transmitted to the target vehicle through the Bluetooth mesh network; and receiving the assembled data packet sent by each target other vehicle node, and predicting the congestion condition in the navigation route according to the assembled data packet. Therefore, the problem that the driving experience of a user is poor due to the fact that the road condition cannot be accurately predicted in real time under the condition of a complex road or a congested road in the prior art is solved.

The invention provides an efficient drainage strategy optimization method for a radially-distributed water system in a coastal shallow hill region. The method comprises the following steps: performing drainage layout on a target region by adopting different modes; carrying out flood drainage strategy selection; acquiring key data of a radially-distributed water system area in a coastal shallow hill area; performing real-time analysis, processing and evaluation on the key data; based on the key data analysis result, the drainage strategy is optimized and adjusted, and the optimal drainage scheme is compared and selected; and evaluating the optimized drainage strategy, dynamically adjusting a joint operation scheme under different boundary conditions, and applying the joint operation scheme to an equipment scheduling operation management system so as to improve the adaptability and efficiency of the drainage system to different scenes and external boundaries. The efficient flood drainage strategy and system capable of adapting to the coastal shallow hill area can provide effective support for improving the comprehensive benefit of flood control and drainage of the area, reducing the flood disaster risk, improving the utilization rate of urban land and reasonably carrying out flood drainage project layout and dispatching operation.

The invention discloses a fuel cell gas diffusion layer containing a wave channel, and a preparation method and application thereof. The preparation method comprises the following steps: cutting a substrate layer material and designing the wave channel; the substrate layer material is placed on a laser etching adsorption platform, laser etching is conducted on the first surface of the substrate layer material, a wave channel is obtained, and the extending direction of the wave channel is parallel to the length direction of the substrate layer material; carrying out hydrophobic treatment on the substrate layer material containing the wave channel; then mixing and stirring conductive carbon black, a binder, an emulsion and water to obtain microporous layer slurry; and finally, spraying the microporous layer slurry on the second surface of the substrate layer material, and then drying, thermally treating and curing the substrate layer material to obtain the fuel cell gas diffusion layer containing the wave channels. According to the fuel cell gas diffusion layer containing the wave channels, the mass transfer rate can be increased, transmission and supply of hydrogen and oxygen in air are improved, generated water is effectively discharged, and aggregation of liquid water in the flow channels is reduced.

The invention relates to the technical field of metro station ventilation pavilion opening water retaining, in particular to metro station ventilation pavilion opening closed water retaining equipment. A metro station ventilation pavilion opening sealing water retaining device is arranged at a ventilation pavilion opening and is characterized in that a blocking door plate stacking area capable of storing blocking door plates is arranged on one side of the ventilation pavilion opening, and the metro station ventilation pavilion opening sealing water retaining device comprises a guide rail system and a carrying system; the subway station flood control and waterlogging prevention system has the remarkable advantages of being efficient and rapid in response, high in waterproof performance, optimized in structure, capable of saving space, stable and safe in long-term use, easy to operate and maintain and the like, a brand new solution is provided for flood control and waterlogging prevention of a subway station, and the safety and emergency response capacity of a subway system are effectively improved; the method has important practical value and social significance.

The invention provides a flush toilet capable of suppressing water leakage outside a machine and reliably reducing the risk that a water supply part is submerged by overflow washing water while achieving low profile. Specifically, the flush toilet according to the present invention is provided with a toilet main body and a flush water supply device for supplying flush water to the toilet main body, the flush water supply device being provided with: a water supply unit for supplying flush water supplied from a water supply source; a water storage tank which is provided to the rear or lower part of the toilet main body and which stores the washing water supplied from the water supply unit; a pump which sucks the washing water in the water storage tank and enables the washing water to flow to the toilet main body; and a plurality of overflow flow paths for overflowing the washing water exceeding the predetermined water level in the water storage tank to different positions, at least one flow path among the plurality of overflow flow paths being disposed below the upper surface of the inner edge portion of the toilet body.

A reinforcement and protection structure for an ancient seawall includes sheet piles, cap beams, geotextile, a riprap filling mixture, a tie beam structure, an internal riprap filling mixture, a retaining wall, a revetment, and a large footing. The tie beam structure and the internal riprap filling mixture constitute the main body of the ancient seawall. The retaining wall, revetment, and large footing are located sequentially on the outer side of the ancient seawall main body, situated on the riprap filling mixture. The sheet piles and cap beams are located on the inner side of the ancient seawall main body, with the cap beams at the top of the sheet piles and the geotextile on the outer side of the sheet piles. This invention reduces the amount of excavation work required for ancient seawall restoration, lowers the flood control risk associated with restoration, ensures the appearance of the restored seawall remains unchanged, maintains structural safety, and reduces resource waste.

The invention relates to a self-drainage fuel cell bipolar plate, a drainage method and a fuel cell. The self-drainage fuel cell bipolar plate comprises a bipolar plate main body, wherein a runner structure is arranged on the surface of the bipolar plate main body; the cilia structure is distributed on the surface of the runner structure; the gas inlet and the gas outlet are formed in the two ends of the flow channel structure respectively so as to allow reaction gas to enter and generate water after reaction to be discharged; a solid-liquid film is formed between the water drops and the top end of the cilium structure, and water generated after gas reaction is discharged on the solid-liquid film along the flow channel structure in a sliding mode. According to the self-drainage fuel cell bipolar plate, efficient drainage is achieved by arranging the runner structure and the cilia structure, the cilia structure imitates cilia on the leg surface of a water strider and is in a filament shape, water drops can only make contact with the top ends of the cilia to form a solid-liquid film, the solid-liquid film is discharged in a sliding mode along the runner, and the water drops are effectively prevented from being detained in a flow field.

The utility model relates to a wireless data acquisition terminal, which comprises a data input line assembly, an antenna assembly, a shell and an upper cover assembly arranged at the top of the shell, a battery box assembly and a junction box are arranged in the shell, a wiring circuit board assembly is arranged in the junction box, a communication module is arranged in the upper cover assembly, and a wireless communication module is arranged in the communication module. The wiring circuit board assembly is electrically connected with the communication module; a data input line of the data input line assembly is electrically connected with the wiring circuit board assembly, and an antenna output line of the antenna assembly is electrically connected with the communication module; a mounting seat is fixedly arranged on the shell, and the shell is fixed on one of a wellhead wall and an intelligent water meter through the mounting seat; an antenna fixing plate is arranged on the antenna assembly, and the antenna assembly is fixed to the well mouth wall through the antenna fixing plate. The wireless data acquisition terminal is good in sealing performance, simple in structure and easy to assemble and maintain.

The invention discloses a high-standard farmland automatic drainage device, and belongs to the technical field of farmland automatic drainage, the high-standard farmland automatic drainage device comprises a mounting box, the two sides of the outer wall of the mounting box are each fixedly connected with two assistance rods, and an anti-blocking assembly is mounted between the inner walls of the mounting box; according to the anti-blocking drainage device, by arranging the anti-blocking assembly, sundries can be treated in time in the modes of interception, stirring, cleaning and the like, blockage caused by massive gathering of the sundries is avoided, it is ensured that the drainage device is always kept in a smooth drainage state, and the drainage effect is improved. The farmland accumulated water can be smoothly discharged, the risk that the farmland is waterlogged is effectively reduced, the accumulated water level in the farmland can be accurately adjusted according to different requirements of crop growth stages by arranging the adjusting assembly, the most suitable growth environment is created for crops, healthy growth of the crops is guaranteed, and therefore the yield and quality are improved.

The invention relates to the technical field of flooding intrusion information management and control, in particular to a multistage linkage protection method for preventing a plant from being flooded. The method comprises the following steps: performing three-dimensional modeling processing on the hydropower house according to physical construction parameters of the hydropower house to generate a three-dimensional model of the hydropower house; performing water level gauge distribution configuration analysis according to the three-dimensional model of the hydropower station workshop to generate water level gauge distribution configuration data; performing water level monitoring processing on the water level gauge equipment through the water level gauge distribution configuration data to generate water level monitoring data; performing real-time monitoring drainage flow analysis on the main shaft sealing drainage pipeline of the hydropower station plant to generate real-time monitoring drainage flow data; executing drainage flow monitoring feedback operation based on the real-time monitored drainage flow data; and water level monitoring feedback control operation is performed on the water level monitoring data through a distribution box relay arranged in the water level monitoring equipment. According to the invention, safe and reliable multi-point linkage protection for preventing the plant from being flooded is realized.

The invention relates to the technical field of river channel sewage disposal, in particular to a garbage collecting device and method.The garbage collecting device comprises a ship body, two sliding ways and a vehicle hopper, the two sliding ways are formed in the front side and the rear side of the upper surface of the ship body respectively, and the vehicle hopper can be placed in inner cavities of the sliding ways in a left-right sliding mode; the collecting device for the garbage further comprises a conveying mechanism, an amplification mechanism and a weeding mechanism. The conveying mechanism is installed on the right side of the ship body. The amplification mechanism is mounted at the bottom end of the conveying mechanism; the weeding mechanism is mounted in the middle of the lower surface of the amplification mechanism in the front-back direction; the frame is obliquely mounted on the right side of the hull; the multiple rollers are rotationally installed in an inner cavity of the frame from top to bottom. The water surface garbage collecting area is changed, the water surface garbage cleaning efficiency is improved, the aquatic plant cleaning function is achieved, the dissolved oxygen absorption amount is increased, aquatic organisms breathe smoothly, the aquatic plants are prevented from slowing down the water flow speed, and the risk of flood disasters is reduced.

The invention provides a gas diffusion layer with hydrophilic and hydrophobic transmission channels and a preparation method of the gas diffusion layer, and belongs to the technical field of hydrogen energy and hydrogen-rich fuel conversion. The preparation method of the gas diffusion layer comprises the following steps: mixing a first carbon nanomaterial, a hydrophilic modified first carbon nanomaterial, a second carbon nanomaterial and a hydrophobic modified second carbon nanomaterial to form a carbon material mixture; the particle size of the first carbon nanomaterial is larger than that of the second carbon nanomaterial; mixing the carbon material mixture, a solvent and a water repellent agent to form slurry; and forming a coating on a substrate by using the slurry, drying and sintering. The preparation method can improve the performance of the gas diffusion layer.

The utility model relates to the technical field of building drainage, and discloses a drainage device for building construction, which comprises a drainage groove, a drainage pipe is communicated on the drainage groove, a first grating plate is arranged on the drainage groove, a movable second grating plate is arranged above the first grating plate, and a drainage pipe is arranged on the drainage groove. The second grating plate is connected with the drainage groove through a sliding assembly, and a floating assembly is arranged on the second grating plate. When the automatic dredging device is used and the second grating plate is blocked by sundries, water flow cannot pass through, but the floating bag floats on the water surface under the action of buoyancy along with gradual rising of the water level, so that the second grating plate moves upwards along with the floating bag and is separated out of the water outlet, and automatic dredging is realized. By means of the design, manual intervention is avoided, and the automation degree of the drainage device is improved.

The application relates to a water retaining structure for flood control of a pumped storage power station and relates to the technical field of flood control facilities, which comprises a baffle, the inside of the baffle is provided with an extension mechanism, the outside of the baffle is provided with a corner flood retaining mechanism, the inside of the baffle is provided with a quick-release mechanism, the extension mechanism comprises a supporting plate one, the inside of the baffle is fixedly connected with an air cylinder, the driving end of the air cylinder is fixedly connected with a transmission column, the inside of the baffle is fixedly connected with a supporting plate two, the inside of the supporting plate two is rotationally connected with a transmission wheel, the inside of the baffle is fixedly connected with an up-down moving assembly. The application has the advantages that the height of the baffle can be flexibly adjusted through air cylinder driving, the lifting range of the baffle can be accurately controlled according to the actual water level of flood, different magnitude floods can be effectively coped with, linear motion is converted into rotary motion and then into linear lifting, and reliable flood control guarantee is provided for the pumped storage power station.

This invention relates to the field of construction technology in pebble-rich water-bearing areas, and more specifically, to a construction method for buildings in such areas. The method involves first digging drainage ditches around higher elevations to intercept surface water; then, integrating high and low elevation areas for unified excavation of the foundation pit, utilizing natural elevation differences and a gravity-fed drainage system using perforated UPVC pipes and graded crushed stone; setting up temporary water-retaining embankments and implementing staggered construction from high to low elevations, with closed-loop dedicated drainage channels at the junctions to direct water flow; installing prefabricated waterproof concrete collection wells in low-lying areas, forming a closed-loop waterproof system with foundation brick formwork and flexible waterproof membrane; and finally, constructing crushed stone drainage blind paths along the surrounding wall foundations and backfilling. This invention achieves continuous, all-weather, non-powered water control, ensuring the stability of the foundation pit slopes and zero leakage in the main structure. This invention is mainly applied to the construction of buildings in pebble-rich water-bearing areas.

The utility model discloses a river channel hydroelectric generation system which comprises a river channel with a fall, an artificial water channel is arranged on one side of the river channel, an inlet and an outlet of the artificial water channel are communicated with the river channel, a main water gate is arranged at the inlet of the artificial water channel, a plurality of turbine generator sets are sequentially arranged on the artificial river channel, and each turbine generator set comprises a shell. A turbine shaft is vertically installed in the shell, turbine blades are installed on the turbine shaft, the upper end of the turbine shaft extends out of the top of the shell and is connected with the power generation assembly, a water inlet is formed in the front side of the shell, a water outlet is formed in the rear side of the shell, a flow velocity sensor and a water level sensor are arranged on the front side of the water inlet, and the inner side of the shell is flush with the side wall of the artificial water channel and hinged to an adjusting cover. The adjusting cover is connected with a telescopic rod of an air cylinder installed on the side wall of the artificial water channel, a groove is formed in the position, corresponding to the turbine generator set, of the other side wall of the artificial water channel, and the outer side of the shell is arranged in the groove. The utility model has the advantages of strong stability, high power generation efficiency, long service life, convenience in repair and maintenance and the like.

The utility model relates to the technical field of gastrointestinal surgical instruments, in particular to a laparoscope for preventing gastric juice from flowing backwards, which comprises an operating tube, a first cavity, a second cavity and a third cavity are arranged in the operating tube, a support rod is movably arranged in the first cavity, and the front end of the support rod is arranged at the front end of the operating tube in a penetrating manner; the sliding grooves are formed in the upper end and the lower end of the first cavity; the sliding block is fixedly arranged in the middle of the supporting rod; and the extrusion bag is arranged at the lower end of the operation tube, and the upper end of the extrusion bag communicates with the third cavity. The defects in the prior art are overcome, when a surgical instrument retreats from the interior of the operation tube, the one-way sealing plate is driven by the reset spring to reset to seal the third cavity, meanwhile, the interior of the operation tube is inflated by opening the one-way valve and pressing the extrusion bag, the risk that gastric juice flows backwards can be reduced, and the working efficiency is improved. When the pressure in the abdominal cavity is equal to the pressure in the stomach, gastric juice does not easily flow back to the esophagus and the oral cavity, so that the operation area is prevented from being polluted.

The invention discloses a fuel cell bipolar plate structure, a design method, equipment and a medium, belongs to the technical field of fuel cells, and aims to solve the technical problems that all regions of a fuel cell bipolar plate adopt a unified flow field design in the prior art, the production cost is high, and the overall efficiency of a system needs to be improved. The structure comprises a cathode plate, the cathode plate comprises at least two areas, and in the at least two areas, spoilers with different numbers and densities are arranged on flow channels of different areas. Through the structure, the production and manufacturing cost is reduced, and the overall efficiency of the fuel cell is improved.

The utility model relates to a system for preparing green planting soil through coupling of river suspended solids and garden waste. The method is suitable for the technical field of river regulation. The technical problem to be solved by the utility model is to provide the system for preparing the green planting soil by coupling the river suspended solids with the garden waste. According to the technical scheme, the system for preparing the greening planting soil through coupling of the river channel suspended matter and the garden waste comprises a first treatment mechanism, a second treatment mechanism and a third treatment mechanism, the input end of the first treatment mechanism is connected with collected river channel water, and the first treatment mechanism is used for removing floating matter in the river channel water and conducting solid-liquid separation to obtain dewatered sludge; the input end of the second treatment mechanism is connected with the collected landscaping garbage, and the second treatment mechanism is used for crushing the landscaping garbage to obtain materials; the first input end of the third treatment mechanism is connected to the output end of the first treatment mechanism, the second input end of the third treatment mechanism is connected to the output end of the second treatment mechanism, and the third treatment mechanism is used for mixing the dewatered sludge and the materials and performing composting treatment to obtain planting soil.

This invention discloses an intelligent acceleration-heterogeneous parallel joint scheduling solution method for watershed water conservancy engineering groups, belonging to the field of numerical calculation and intelligent scheduling technology for water conservancy engineering. This method first divides the hydrological control intervals and implements differentiated scheduling optimization that maximizes conventional and remaining flood control capacity for different control sections. It then uses a heterogeneous parallel architecture to split tasks and achieve synchronous computation across multiple nodes, employing the XGBoost algorithm to replace traditional river channel calculation methods. This invention can significantly improve scheduling solution efficiency, overcome computational bottlenecks, ensure computational accuracy, enhance adaptability to complex watersheds, optimize water resource allocation, strengthen flood control, and has low deployment costs and strong compatibility, meeting the needs of real-time watershed scheduling and scientific management.

The utility model discloses a floating type water pump for channel excavation engineering, including diesel engine body, pump body, float body, the float body is assembled by a plurality of plastic buoy, and the periphery of float body is equipped with steel framework, and the upper side of steel framework is equipped with slide, diesel engine body and pump body are fixed on same base, and the base sets up on slide, and diesel engine body and pump body are connected drive through the belt pulley, the device utilizes the buoyancy of float in the condition of water rise or heavy rainfall, and makes diesel engine and water pump float on the water surface, reduces the risk of being flooded by water, and ensures that the water pumping and draining are flexible and efficient under the complex environmental conditions.

The utility model discloses a kind of baking preheating device of continuous casting machine, it is related to mechanical equipment technical field, including seat plate, the upper end one side of seat plate is equipped with stand, the upper end of stand is connected with rotary frame, burner is installed on rotary frame, the below of burner is provided with direct injection type baker, pipeline assembly is connected with the intercommunication between burner and direct injection type baker, pipeline assembly includes the gas straight pipe of being set in burner side.This utility model, the heating direction of the device is changed from top one-way heating to top-bottom bidirectional double-firing type, the structure is changed from bottom air extraction type to direct injection type, and the structure is more compact, easy to operate, the position of nozzle jet can be adjusted arbitrarily, the inner and outer wall of tundish water gap can be baked evenly, the impurities and gas inside water gap are effectively removed, and the labor intensity of worker, gas backflow risk and equipment failure rate are effectively reduced, the production process performance is ensured, the routine maintenance cost is reduced, and effective reference and solution mode are provided for the same type equipment failure and hidden danger.

The utility model belongs to the technical field of proton exchange membrane fuel cells, and particularly relates to a cathode flow field plate of a proton exchange membrane fuel cell for a new energy vehicle, a cathode flow channel is arranged on the cathode flow field plate, the cathode flow channel is snake-shaped and is divided into a snake-shaped flow channel and a snake-shaped rib plate, and the snake-shaped rib plate is arranged in the snake-shaped flow channel. A plurality of snakelike rib plates are arranged among a plurality of snakelike flow channels at intervals, spoilers are arranged in the snakelike flow channels at intervals, the spoilers vertically stand in the snakelike flow channels and reduce the width of local positions of the snakelike flow channels, a circle of sealing groove capable of being provided with a sealing ring is arranged outside the snakelike flow channel on the outermost side, and the sealing ring is arranged in the sealing groove. The cathode flow field plate is internally provided with a plurality of snakelike rib plates, the snakelike rib plates are provided with drainage grooves extending along the shapes of the snakelike rib plates, each snakelike rib plate is provided with a branch drainage hole, the cathode flow field plate is internally provided with a main drainage channel communicated with the branch drainage holes, and the main drainage channel extends out of the cathode flow field plate. According to the scheme, the problems of gas leakage, water logging blockage, insufficient mass transfer and the like are solved through geometric optimization of a flow channel, innovation of a turbulent flow mechanism and improvement of a drainage system.

The invention relates to the technical field of municipal drainage, rain and sewage diversion and water pollution control, in particular to an intelligent intercepting well based on a gear rotating weir gate and an electric flow limiter, which comprises a well body structure, a gear driving rotating weir gate unit, an electric flow limiter unit, a sensing monitoring unit and an intelligent control unit. The intelligent control unit obtains information such as upstream incoming water total amount, rainfall intensity, pollution concentration and downstream liquid level, solves target interception flow, and performs cooperative control according to an opening-flow mapping relation and an angle-diversion capability mapping relation in a sequence of firstly controlling the electric flow limiter unit and then controlling the gear-driven rotary weir gate unit. Therefore, dynamic optimization of closure and diversion is realized, and pollution control, flood drainage safety and system operation reliability are considered.

The utility model discloses a kind of tunnel inside inverted slope drainage's sewage cleaning system, it is related to sewage treatment technical field, the sewage cleaning system includes the shunt water guide device being provided with clean water outlet and contaminated water outlet, the clean water collection unit being communicated with clean water outlet, and the sewage pretreatment system being communicated with contaminated water outlet;The sewage pretreatment system includes oil separation and sedimentation device and filter device sequentially arranged along water flow direction, and sewage booster pump is equipped at the end of filter device;Oil separation and sedimentation device is arranged in multiple baffles for prolonging hydraulic retention time and can promote oil-water separation, and filter module for intercepting suspended pollutants is provided in filter device.The shunt structure provided by the utility model avoids the problem that all water bodies need high-standard treatment in traditional combined drainage in practical application, greatly reduces subsequent sewage treatment load, reduces processing cost, and simultaneously improves water resource utilization efficiency.