705 results about "Hydroelectric generation" patented technology

The invention discloses a hydroelectric generating set runner blade incompleteness simulation method based on CFD and FEM, relates to the technical field of safe and stable operation of hydroelectric generating sets, and aims to simulate steady-state operation states of a water turbine under different operation conditions so as to evaluate the influence on the performance of the water turbine under runner blade damage working conditions such as blade wear and fracture. According to the method, important information about the performance and the service life can be provided for design and maintenance of the water turbine, the reliability and safety of a hydroelectric generating set are expected to be improved, meanwhile, the maintenance cost is reduced, and remarkable technical progress is brought to the field of hydroelectric generation.

The invention provides a water turbine runner crack electric arc additive repairing track planning method based on an irregular model, and relates to the technical field of hydroelectric power generation equipment crack repairing. The method comprises the steps that crack defects are removed through carbon arc air gouging, and a model of a blade area to be repaired is established; based on a reverse reconstruction technology and a Boolean operation technology, generating a three-dimensional grid model of the irregular repair area; a mixed trajectory planning strategy is optimized, and the repairing area is sliced to generate an electric arc additive repairing trajectory; and welding gun posture optimization based on collision detection is carried out, and the contour track is adjusted according to a given rule. A geometric model of a to-be-repaired area of a blade is established, and a three-dimensional grid model of an irregular repaired area is quickly and accurately established based on a reverse reconstruction technology and Boolean operation.

The invention relates to the field of hydroelectric generation automation control, discloses an intelligent flow-pressure double closed-loop control method and system for a water inlet ball valve of a water turbine, and aims to solve the technical problems that flow stability and pressure fluctuation suppression are difficult to consider, dynamic response is delayed and working condition adaptability is poor in existing single-loop control. The method comprises the steps that inlet pressure and flow data are collected in real time through a pressure sensor and an ultrasonic flowmeter, a cascade structure of outer ring flow control and inner ring pressure control is constructed in combination with working condition parameters such as the rotating speed of a unit and the opening degree of a guide vane, and a working condition self-adaptive weight distribution module is introduced to dynamically adjust the double-ring gain coefficient; meanwhile, a feed-forward compensation mechanism and an optimal efficiency curve database are fused, and dynamic matching of set values and advanced response of load instructions are achieved. The system comprises a data acquisition unit, a double-closed-loop control unit, a weight distribution unit, an electro-hydraulic servo execution mechanism and a safety interlocking module, and supports microsecond-level gain updating and high-precision valve position control. According to the technical scheme, the adjusting precision and the response speed of the water turbine under the complex working condition are remarkably improved, the actual measurement efficiency is improved by 2.5%-4.8%, the adjusting time is shortened to be within 3 seconds, the positioning precision reaches + / -0.5 degree, and safe and stable operation of the system is guaranteed.

The invention discloses an optimization method and device for hydraulic power and structure coordination of a runner of an anti-abrasion mixed-flow water turbine, and relates to the field of hydroelectric generation, and the optimization method for hydraulic power and structure coordination of the runner of the anti-abrasion mixed-flow water turbine comprises the steps that the abrasion position of the runner is determined according to operation parameters of the runner within preset time; carrying out wear resistance optimization on the wear position, and determining whether the wear resistance of the optimized wear position meets a first preset standard or not; under the condition that it is determined that the wear resistance meets the first preset standard, finite element analysis is conducted on the rotating wheel to determine whether the structural performance of the rotating wheel meets a second preset standard or not; and when it is determined that the structural performance of the rotating wheel does not meet the second preset standard, structural performance optimization is performed on the hardware structure of the rotating wheel. By the adoption of the technical scheme, the problem that when a traditional water turbine works in a high-sediment-content river, the rotating wheel is prone to abrasion due to sediment, and therefore the service life of the water turbine is affected is solved.

The invention discloses a self-powered seawater uranium extraction system and an application method, the self-powered seawater uranium extraction system comprises a centrifugal solid-liquid separation unit, a membrane solid-liquid separation unit, a flushing unit, a control unit and a video monitoring unit, and further comprises a collection pool and an energy storage pool which are arranged on a beach or partially located in the beach and are arranged in positions to ensure that the collection pool and the energy storage pool can be wholly covered by seawater during flood tide; the hydroelectric generation unit is communicated with a liquid outlet I in the energy storage pool through a pipeline I; the seawater uranium extraction unit is matched with a liquid outlet II in the membrane solid-liquid separation unit through a pipeline II; wherein a liquid outlet III of the collecting tank is communicated with a liquid inlet of the centrifugal solid-liquid separation unit, and a liquid outlet IV of the seawater uranium extraction unit is communicated with the hydroelectric generation unit. According to the self-powered seawater uranium extraction system and the application method, seawater collection and energy storage are conducted through rising tide, electricity is generated through potential energy of seawater in ebb tide, electric energy is provided for the seawater uranium extraction system, and the industrialization process of seawater uranium extraction is promoted by saving energy and reducing cost.

The invention particularly discloses a visual monitoring system and an analysis method for the abrasion state of an impulse turbine set, and relates to the technical field of hydroelectric power generation equipment monitoring. The device comprises a visual monitoring module, a control module and an abrasion analysis early warning module, the visual monitoring module collects images through an industrial camera, an LED light source, a packaging protection structure and a water and mist removing device. The control module formulates an imaging mechanism according to working conditions such as strong water mist interference, idling no water, static no water and the like, and is linked with a unit PLC control system to realize imaging triggering, state adjustment and data interaction; and the abrasion analysis and early warning module identifies an abrasion area through a U-Net + + algorithm, calculates abrasion parameters based on a multi-view vision technology, grades the abrasion parameters, predicts a trend by adopting an ARIMA model, and recommends a maintenance scheme through rule reasoning in combination with threshold early warning. Automatic and intelligent monitoring and analysis of the abrasion state of the impact type unit are achieved, and guarantee is provided for safe and efficient operation of the unit.

The invention relates to an ultra-deep well type hydroelectric generation method utilizing geothermal energy and cold and hot water density difference, and solves the problem that geothermal energy cannot be generated and utilized by a water turbine since underground hot water is pumped by a water pump for use in traditional geothermal energy utilization. Comprising the following steps of S1, exploration well drilling, S2, well bottom crack manufacturing, S3, center pipe deployment, S4, cold water is injected between the center pipe and a sleeve, after the cold water is heated by a dry hot rock stratum at the bottom of the exploration well, hot water rises from the center pipe, and the water head difference between the interior and the exterior of the center pipe is formed through the specific gravity difference of the hot water and the cold water. Hot water conveyed to the ground by the central pipe impacts the water turbine for power generation. A heat collection point is a dry hot rock stratum, the influence on underground water is reduced, the inertial thinking that height potential energy of water flow needs to be utilized in traditional water turbine power generation is broken through, and a brand-new water flow from bottom to top hydroelectric generation mode is provided.

The hydroelectric power generation equipment comprises a power generation module and a water wheel driving module, the power generation module comprises a floating platform and a power generator, the power generator is arranged on the floating platform, a power input shaft is arranged on the floating platform, and the power input shaft is in transmission connection with the power generator through a gearbox; the water wheel driving module comprises two mounting discs and a plurality of blades, and the two mounting discs are arranged up and down; each blade comprises a mounting frame and a plurality of baffles, a plurality of through holes are formed in the mounting frame, and the baffles are hinged to the mounting frame and arranged at the corresponding through holes; the baffle is configured to close the through hole at the incident flow surface of the blade, and the blade is also configured to open the through hole at the back flow surface of the blade; the multiple blades are distributed around the axis of the mounting discs, and the mounting frame is vertically arranged and fixedly arranged between the two mounting discs; wherein the power input shaft is fixedly connected with the topmost mounting disc in the water wheel driving module. The use reliability and the power generation efficiency are improved, and the manufacturing cost is reduced.

The invention belongs to the field of hydroelectric power generation facilities, and discloses elastic hinged series hydrofoil power generation equipment and method.The elastic hinged series hydrofoil power generation equipment comprises an elastic hinged mechanism and two oscillating hydrofoil power generation devices, and each oscillating hydrofoil power generation device comprises a supporting frame, a power generator, a sliding rail, a sliding block, a hydrofoil and a bidirectional damping mechanism; one end of the hydrofoil is used for stretching into water flow, a connecting shaft is installed at the other end of the hydrofoil, the connecting shaft is rotatably installed on the sliding block and connected with the generator, and the bidirectional damping mechanism is fixedly connected with the sliding block. The two hydrofoils are connected through an elastic hinging mechanism, the elastic hinging mechanism comprises a first extension spring and two hinging pieces, and the first extension spring is hinged to the hydrofoils. The two hydrofoils are elastically connected through the elastic hinge mechanism, the hydrofoils can better adapt to the change of water flow and the coupling effect between the hydrofoils, energy in the water flow is more fully utilized, the effective working flow speed range of power generation equipment is widened, and the total energy harvesting amount of a unit water area is increased.

The invention discloses a water turbine operation monitoring system and method in the technical field of hydroelectric generation. The method comprises the steps that real-time operation data and real-time output data of a water turbine input externally are received; inputting real-time operation data of the water turbine into the water turbine operation analysis model, and calculating a prediction value of output data; comparing the output data predicted value with the real-time output data, and judging whether a data difference value between the two exceeds an abnormal threshold value or not; when the data difference value does not exceed the abnormal threshold value, it is judged that the water turbine runs abnormally; and when the data difference value exceeds the abnormal threshold value in response, judging that the water turbine operates abnormally, and reporting an abnormal condition to an operation management platform at the same time. According to the method for monitoring the operation of the water turbine, the operation state of the water turbine is monitored and evaluated, the abnormal operation condition of the water turbine is reported in time, operation and maintenance management personnel can conveniently conduct maintenance in time, and additional economic losses are avoided.

The invention discloses a pump turbine phase resonance risk identification method and device, a medium and a product, and relates to the field of hydroelectric generation. The method comprises the following steps: firstly, carrying out a pressure pulsation test on the water-turbine generator set to determine each-order dominant frequency of an excitation source; calculating the wavelength of a pressure wave corresponding to each order of dominant frequency according to the working condition of the pump turbine; according to the working condition of the pump turbine, the position difference of two pressure wave transmission during two adjacent excitation is calculated; substituting the wavelength of the pressure wave corresponding to the dominant frequency of each order and the position difference under different pump turbine working conditions into a phase resonance risk coefficient calculation formula, and calculating to obtain a phase resonance risk coefficient of the pressure wave corresponding to the dominant frequency of each order; and comparing the phase resonance risk coefficient of the pressure wave corresponding to the dominant frequency of each order with the risk judgment coefficient, and identifying the harmonic order with the phase resonance risk. By adopting the method, the judgment precision of phase resonance can be improved, and the application range of the phase resonance judgment method is expanded.

The invention relates to the technical field of hydroelectric generation, and discloses a power distribution method, device and equipment of a hydroelectric generating set, a medium and a product, the power distribution method of the hydroelectric generating set comprises the following steps: determining a plurality of preliminary power distribution schemes according to the power grid demand power and the rated power of the hydroelectric generating set; determining a target damage index and a target efficiency index corresponding to each preliminary power distribution scheme according to the working condition data of the plurality of hydroelectric generating sets in each preliminary power distribution scheme; fusing the target damage index and the target efficiency index to obtain a health degree corresponding to each preliminary power distribution scheme; according to the health degree, a target power distribution scheme is selected from the multiple preliminary power distribution schemes, and power is distributed according to the target power distribution scheme, the health degree is obtained by fusing the target damage index and the target efficiency index, the target power distribution scheme is selected according to the health degree, and the accuracy of the target power distribution scheme is improved.

The utility model discloses vertical shaft hydroelectric power generation equipment which comprises a power generation module and a power output module, the power generation module comprises a floating platform, a power generator and a power input shaft, the power input shaft is vertically arranged and arranged on the floating platform in a swinging mode, the power generator is arranged on the floating platform, and a motor shaft of the power generator is in transmission connection with the power input shaft; the driving module comprises a water wheel assembly, the water wheel assembly comprises a plurality of blades, the blades are distributed around the rotating axis of the water wheel assembly, and the water wheel assembly is connected with the power input shaft; the counterweight assembly comprises a connecting rod, a rotating seat, a first anchor chain and a first counterweight part, the lower end part of the connecting rod is rotatably arranged on the rotating seat, and the first anchor chain is connected between the rotating seat and the first counterweight part; the upper end of the connecting rod is connected to the bottom of the water wheel assembly. The power generation efficiency of the hydroelectric power generation equipment is improved.

The invention provides an intelligent remote monitoring method and system for a water-turbine generator set, and relates to the technical field of unit monitoring, and the method comprises the steps: analyzing and extracting a monitoring constraint set, traversing a monitoring device library to carry out matching type selection, constructing a remote monitoring network, interacting the remote monitoring network to carry out online monitoring, and collecting a multi-dimensional monitoring data set. And the data are transmitted to a remote monitoring center, then real-time analysis is carried out to determine the operation state of the water-turbine generator set, a real-time monitoring result is obtained, and finally response control of the water-turbine generator set is carried out. The technical problems that potential faults and problems of the generator set cannot be found in time and the stable operation and the power generation efficiency of a hydroelectric power plant are further influenced due to the fact that monitoring and data transmission cannot be comprehensively carried out in real time and processing is insufficient in the prior art can be solved, real-time monitoring and data analysis of various indexes of the generator set are achieved, and the power generation efficiency of the hydroelectric power plant is improved. And abnormal conditions can be found in time and early warning is carried out, so that the safety of the hydroelectric power station is improved.

The invention discloses a reclaimed water conveying method and system integrating energy recovery and electric energy storage, and relates to the technical field of reclaimed water conveying. The method comprises the following specific steps: purifying original wastewater through pretreatment and advanced treatment to obtain reclaimed water; conveying the reclaimed water through an urban reclaimed water pipe network; a hydroelectric generation device is arranged in an urban reclaimed water supply system, gravitational potential energy of water flow in the reclaimed water conveying process is converted into electric energy, and energy recovery is carried out; and the recycled electric energy is stored in the energy storage equipment and is used for the operation of a subsequent reclaimed water conveying system. Energy recovery and electric energy storage are achieved in the reclaimed water conveying process, the energy utilization efficiency is improved, dependence on external energy is reduced by recovering energy in the reclaimed water flowing process, and the conveying cost is reduced.

The invention discloses a pipeline hydraulic self-energized flow monitoring device, which comprises a static part and a rotating part, and is characterized in that the static part comprises a stator, a magnetic induction coil, a flange, a fixed bracket, a turbine flowmeter, a rotary connecting device and a cap piece; the rotating component comprises a rotating wheel device, a neodymium-iron permanent magnet and a self-lubricating bearing; the rotating wheel device comprises blades and a hub body. The pipeline hydroelectric generation device and the turbine flowmeter are combined, water flows through the pipeline hydroelectric generation device to wash blades, an electromagnetic module in the device generates current through electromagnetic induction to supply the current to the turbine flowmeter and capture information, and the problem that the turbine flowmeter needs an external power source to work is effectively solved; the magnetic induction coil and the fusion rotor are fixed in the shell, absolute isolation sealing is achieved, conveyed fluid media are prevented from infiltrating a power generation equipment part, flanges are designed on the two sides of a pipeline, sealing connection with other pipelines is achieved, and equipment installation and disassembly are convenient.

The invention provides a water turbine runner crack additive repair trajectory planning method based on a regular trapezoidal groove, and relates to the technical field of hydroelectric power generation equipment crack repair, and the method comprises the steps: obtaining a trapezoidal groove grid bottom tangent plane based on a region growth algorithm, and carrying out the layer-by-layer slicing of the trapezoidal groove through the tangent plane; obtaining a section contour of the trapezoidal groove, and segmenting the contour of the trapezoidal groove by using tangential features of contour points; extracting a boundary curve in the generatrix direction of the trapezoidal groove, and generating a continuous and smooth parameterized spline curve by using a spline curve interpolation method; equally-spaced track points between the two spline curves are obtained based on an isoparametric method, and the track points are connected to form an additive track in the trapezoidal groove. Geometric modeling, a parameterized spline curve theory and additive manufacturing are organically combined, and accurate trajectory planning under the special geometric structure of the trapezoidal groove is achieved.

The invention relates to the technical field of state prediction of hydroelectric power generation equipment, and discloses a cooler blockage prediction method based on deep learning coupling physical constraint, which comprises the following steps of: acquiring temperature, pressure difference and flow parameters during operation of a cooler, and generating time sequence data; preprocessing the time sequence data to generate a time sequence sample vector; constructing a deep learning hybrid model, extracting local features through the deep learning hybrid model, and capturing global time sequence dependence; combining a Navier-Stokes equation and a cross entropy to construct a comprehensive loss function; and inputting the processed data into the deep learning hybrid model, and outputting a cooler blockage state classification result. According to the method, early accurate recognition of the blockage state of the cooler can be achieved, the problem of response lag of a traditional method is solved, early warning can be given out in the early stage of blockage, the blockage type is recognized in advance, and non-planned shutdown is avoided.

The invention relates to the technical field of hydroelectric generation, in particular to an impulse turbine, a water bucket and a mortise and tenon joint structure for the water bucket and a hub. The water bucket comprises water bucket blades and tenons arranged at the roots of the blades; the shape of the tenon is configured to be movably assembled with a mortise formed in a hub of the water turbine in a fit clearance mode. According to the structure, a movable assembly mode with a fit clearance can be realized, and the water bucket can generate limited displacement in a gradual change clearance under different jet flow impact load conditions, so that the original traditional rigid connection is changed into flexible movable connection. The water bucket can be reliably connected with the hub without depending on welding or bolt fixing, and the common problem that in an original mode, a water head and a hub welding seam are prone to breakage under high-strength water impact force is solved.

The present invention relates to the technical field of air energy power generation, and discloses a composite device integrating air energy power generation with other energy systems, including a compressor, a filter, a heat exchanger, a generator, and an air storage bin. The right side of the compressor is fixedly connected with a filter, the right side of the filter is connected with a heat exchanger through a pipeline, and the lower part of the heat exchanger is fixedly connected with an air storage bin. The present invention can open any set of valves on both sides when the air storage bin is in the intake state through the valves, connecting frames, one-way valves, branch pipes, front brush plates, scrapers, impellers, rotating shafts, bearings, and support rods provided. At this time, water or hot steam can be introduced into the generator for power generation by means of hydropower and thermal power generation. At the same time, after the medium enters the middle part of the main air intake pipe, it will also drive the impeller to rotate, and enable the scraper and the front brush plate to clean the one-way valve to prevent residual impurities in the process of hydropower and thermal power generation from affecting subsequent air energy power generation.

The invention discloses a water turbine blade coating binding force evaluation method and device, and relates to the technical field of hydroelectric generation. The method comprises the following steps: synchronously acquiring multi-modal nondestructive testing data of a coating area of a water turbine blade to be evaluated; inputting the multi-modal nondestructive testing data into the coating binding force prediction model for binding force prediction and integration to obtain a coating binding force spatial distribution diagram; the coating binding force spatial distribution diagram is input into a high-fidelity digital twin body for coupling simulation and life analysis, and a coating remaining life distribution diagram is obtained; inputting the coating binding force spatial distribution diagram and the coating residual life distribution diagram into an intelligent maintenance decision model for decision generation to obtain a blade maintenance decision; and carrying out visual display on the coating binding force spatial distribution diagram and the coating residual life distribution diagram, and generating a blade coating binding force evaluation report. The problems of low evaluation precision, single information dimension and disjunction between evaluation and decision in the prior art are solved.

The invention discloses a green and low-carbon constructed wetland thermal insulation system capable of realizing intelligent control. The system comprises a modular wetland unit, a hydroelectric generation module, a thermal insulation heating module, an intelligent control module and an energy storage and standby power supply module, the modularized wetland unit comprises a modularized shell as well as a plant covering layer, a water inlet layer, a wetland bed layer and a water outlet layer which are positioned in the shell and are sequentially arranged from top to bottom; the hydroelectric generation module is mounted on one side of the modularized wetland unit and comprises a water power module shell and a turbine pipeline type hydroelectric generator; electric energy output by the turbine pipeline type hydroelectric generator is supplied to the heat preservation heating module or stored in the energy storage and standby power supply module for standby application; the heat preservation heating module comprises a heat conduction layer arranged at the bottom of the modular shell and located below the water outlet layer, and an electric heating plate located below the heat conduction layer. The intelligent control module is used for analyzing the running state of the wetland in real time and dynamically optimizing the power generation and heating modes. The energy consumption can be reduced, and efficient and stable operation can be achieved.

The utility model discloses a siphoning type circulating hydroelectric generation system which comprises a reservoir, a closed water storage tank, a siphon and power generation equipment. The closed water storage tank is higher than the reservoir, the siphon is connected between the reservoir and the closed water storage tank, and the power generation equipment is arranged above the reservoir and below the closed water storage tank; a water drain pipe of the closed water storage tank faces the power generation equipment, and potential energy of water is converted into electric energy by the power generation equipment; the water replenishing and pressurizing assembly comprises a water replenishing and pressurizing pipe connected between the reservoir and the closed water storage tank, a hydraulic ram arranged on the water replenishing and pressurizing pipe and a floating ball valve arranged at the water outlet end of the water replenishing and pressurizing pipe; and the hydraulic ram is lower than the reservoir. The water level condition in the closed water storage tank can be automatically monitored, water can be automatically supplemented in time to maintain the negative pressure in the closed water storage tank to be stable, the hidden danger that the negative pressure suddenly changes in the operation process is eliminated, a good circulation system can be formed, and stable operation of power generation equipment is guaranteed.

The invention relates to the technical field of hydroelectric generation, and provides a dust collector for hydroelectric generator braking and a using method thereof.The dust collector comprises a shell, a partition plate is arranged in the shell, and the partition plate divides the inner space of the shell into a negative pressure cavity and a dust collecting cavity below the negative pressure cavity; a drainage fan used for enabling the negative pressure chamber to be in a negative pressure state during working is arranged at the top of the negative pressure chamber, and a dust suction pipe used for guiding dust generated during working of the hydraulic generator brake into the dust collection chamber is arranged on one side of the bottom of the shell; when the airflow reaches the top of the flow guide component, the airflow enters and spirally enters a conical cavity in the lower end of the main body through a top opening of a first flow channel, then enters and spirally enters an upper flow guide cover through a bottom opening of a second flow channel, and the airflow circulates in a roundabout mode in the first flow channel and the second flow channel of the flow guide component, so that the circulation path of the airflow is further prolonged; therefore, the heat absorption efficiency of the heat conduction plate is improved.

The invention relates to the technical field of hydroelectric generation, and provides a low-energy-consumption water circulation power generation device which comprises a water circulation power generation device body, the water circulation power generation device body comprises a water circulation assembly and a power generation assembly, the water circulation assembly is used for making water flow circularly flow, and the power generation assembly is used for generating power through the circulating water flow; the water circulation assembly comprises an energy storage water tank, a high-level water tank and a plurality of groups of water return parts; each group of water return part comprises a water turbine pump, a tail water tank, a hydraulic ram, a high-pressure tank and a water lifting tank; water flow flowing out of the high-position water tank can completely flow back to the high-position water tank through acting of the water turbine pump, the water lifting tank and the water suction pump, and water circulation operation is completed; due to the fact that only the water suction pump is needed for water lifting, external energy is not needed for driving, energy consumption needed by water circulation is extremely low, the water flow generator can generate electricity in the water circulation process to be used by the water turbine pump, and energy consumption is further reduced.

The invention discloses an axial-flow type constant-rotating-speed power output device for a river channel and a hydroelectric generating set, and belongs to the technical field of hydroelectric generation. An axial-flow type constant-rotating-speed power output device for a river channel comprises a constant-speed adjusting assembly and an axial-flow driving assembly which are connected with each other. And a first output shaft of the axial flow driving assembly is connected with the constant-speed adjusting assembly. And the end part of a second output shaft of the constant-speed adjusting assembly is arranged outside the speed adjusting box body in a penetrating manner and is connected with a third connecting flange. A hydroelectric generating set comprises a generator, and the power input end of the generator is connected with a third connecting flange. The self-adaptive constant-speed power output device can be self-adaptive to river water flow changes to achieve constant-speed power output, meanwhile, the problems of impurity blockage and mechanical loss are solved, and finally stable and efficient operation of a generator set is guaranteed.

The invention relates to the technical field of hydroelectric generation, in particular to a method for determining distribution parameters of an impulse turbine, a water bucket and a pin column. The water bucket is of a double-bowl-shaped structure which is symmetrical along the water diversion blade, the water bucket is provided with an upstream face used for bearing water flow impact and a downstream face opposite to the upstream face, a plurality of pin columns are embedded in the downstream face in the normal direction of the downstream face, and the ends of the pin columns are matched with the surface of the upstream face to form a continuous smooth curved face of the upstream face. Under the conditions of high water head and sediment, deformation and cracking of the bucket and even damage of bucket breakage are avoided, and the service life of the bucket is prolonged.

The utility model relates to the technical field of hydroelectric generation, in particular to a hydroelectric generation device which comprises two reinforced concrete walls and a frame, lifting mechanisms connected with the frame are arranged on the reinforced concrete walls, and a power mechanism, an acceleration mechanism and a generator are arranged on the frame. The power mechanism comprises a water wheel shaft and water wheel blades, the water wheel shaft is rotationally arranged on the frame, the water wheel blades are annularly distributed on the water wheel shaft, and a first triangular belt wheel is arranged at one end of the water wheel shaft. The acceleration mechanism comprises an acceleration wheel shaft and a triangular belt wheel III, the acceleration wheel shaft is rotationally arranged on the frame, the triangular belt wheel III is fixedly arranged on the acceleration wheel shaft in a sleeving manner, and a triangular belt wheel II is arranged at one end of the acceleration wheel shaft; the second triangular belt wheel and the first triangular belt wheel are sleeved with a first triangular belt. The height of the hydroelectric power generation equipment can be adjusted, and it is guaranteed that water flow can drive the blades to rotate so that the power generator can operate to generate power; and the power generation efficiency is effectively improved.

To provide a hydraulic power generating system with a dust removal tool that can remove refuse mixed in running water.SOLUTION: A hydraulic power generating system S uses falling of a waterway 50 to generate power. The hydraulic power generating system S includes a hydraulic turbine 10 for using falling water from the waterway 50 to drive an electric generator 20 in a building 40, a water falling part 52 having a down grade for making water flow fall to a top part of the hydraulic turbine 10 is provided at a roof 41 of the building 40, a water falling opening 52a is provided at a place located above the hydraulic turbine 10 of the water falling part 52, a refuse removal tool 60 for removing refuse mixed in falling water is provided at the water falling opening 52a, a refuse discharge member 70 is at lower part of a downstream side end part of the refuse removal tool 60, and a roof side opening 41c is provided at a place corresponding to the water falling opening 52a of the building 40.SELECTED DRAWING: Figure 1

The invention relates to the technical field of hydroelectric generation, and discloses a pump turbine runner parameter optimization method, device and equipment and a storage medium. According to the method, initial geometric parameters are adjusted, and the adjusted parameters are input into a pre-constructed parameter optimization model; the parameter optimization model outputs the adjusted pressure pulsation amplitude value of the vaneless area corresponding to the geometric parameter until the obtained amplitude value of the pressure pulsation of the vaneless area corresponding to the adjusted geometric parameter is smaller than a preset threshold value, the geometric parameter serves as an optimized target parameter to be stored, and the target parameter is obtained based on an artificial intelligence optimization algorithm. The optimal geometric parameters for inhibiting the pressure pulsation of the vaneless area can be quickly and efficiently found, the optimization efficiency and precision of the geometric parameters are greatly improved, and the time and cost required by a traditional trial and error method are reduced.