9results about How to "Reduce flood risk" patented technology

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 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.