926 results about "Water diversion" patented technology

The invention discloses a weak intercalated layer control-based closed conduit-slope system optimization layout method, which comprises the following steps of S1, geological survey and parameter acquisition: accurately positioning a weak intercalated layer through a geological radar and drilling coring, and determining a rock-soil body strength parameter by combining a laboratory rock-soil mechanical test, geological radar data and rock-soil body strength parameters are analyzed through a random forest algorithm, and the interlayer space distribution rule is predicted. By combining geological survey, numerical simulation, intelligent optimization and dynamic monitoring technologies, scientific layout and adjustment of a closed conduit-side slope system are realized, a weak intercalated layer seepage path is accurately cut off, the safety coefficient of the side slope is effectively improved, meanwhile, expansion of a plastic zone is effectively inhibited, settlement of an overlying soil body or large-range deformation of the side slope is reduced, and the stability of the side slope is improved. The seepage stability and the stress slow release capacity of the system are enhanced, the safety of the water diversion project in a complex geological area is improved, and an operable technical path and basis can be provided for layout of similar projects in the future.

The present application relates to a kind of water diversion valve and the cleaning machine of application have the water diversion valve, water diversion valve includes shell, fixed seat, movable column, drive assembly, shell has first water outlet, second water outlet, water diversion cavity is vertically arranged with the partition plate that it can be separated into corresponding first cavity of first water outlet and corresponding second cavity of second water outlet, the bottom of partition plate is provided with the opening that can be connected with first cavity and second cavity;The top of movable column is provided with the sealing plug that can be closed second water outlet when it rises to the top of second cavity, and the opening is closed when it falls to the bottom of second cavity.This application water diversion cavity of water diversion valve is directly connected with the water outlet of cleaning machine, improves the sealing performance of junction;The sealing plug of the present application is opened and closed alternately to first water outlet and second water outlet by movable column lifting, realizes the independent, absolute sealing of first water outlet and second water outlet, improves the sealing property and reliability under water diversion state, is conducive to improving water diversion effect.

The invention discloses a multi-source heterogeneous anomaly detection method based on time correlation, and belongs to the technical field of water diversion engineering, and the method comprises the steps: S1, obtaining multi-source sensor time sequence data in multi-source heterogeneous data, carrying out the preprocessing of the multi-source sensor time sequence data, and dividing a training set and a test set; s2, constructing a double-branch depth feature extraction network model, training by adopting the training set, and testing through the test set to obtain a trained double-branch depth feature extraction network model; the double-branch depth feature extraction network model comprises a double-branch unit, an attention feature fusion unit, a classifier unit and an output layer unit which are connected in sequence; and S3, inputting to-be-detected data into the trained double-branch depth feature extraction network model, and finally outputting an anomaly diagnosis result. A double-branch depth feature extraction network is constructed, adaptive fusion is realized through an attention mechanism, and the problem of poor modal adaptability of heterogeneous data is solved.

The invention belongs to the technical field of ship management, and provides a combined intelligent ship water diversion system integrating differential positioning, a laser radar and a camera. In the shore end RTK-inertial navigation depth fusion positioning module, extended Kalman filtering fusion is carried out on data acquired by shipborne equipment, so that continuity of accurate positioning is realized; the construction of a color high-precision map is realized through a laser radar-monocular vision color high-precision modeling module, details such as wharf fender materials and signboard characters can be better distinguished, and the problem of shoreline modeling defects is solved; visualization of obstacles is achieved through the multi-scene dynamic obstacle detection and fusion module, meanwhile, through cooperation of multi-source data, the precision and stability of ship positioning are greatly improved, higher precision and reliability are achieved, and the precision of a guide instruction is improved; through cooperation of the 5G private network and the visualization module, the data transmission efficiency is improved, the timeliness is improved, and transmission delay can be avoided.

The invention discloses a switching assembly and a water outlet device, the switching assembly is suitable for being mounted on a water outlet body, and the switching assembly comprises a plugging piece and a switching piece. The water outlet body is provided with a water inlet cavity, a water outlet cavity and a water distribution hole communicated with the water inlet cavity and the water outlet cavity; the blocking piece is located in the water inlet cavity and suitable for moving between a first position and a second position, and the blocking piece abuts against the water distribution hole in a sealed mode at the first position. At the second position, a water passing gap communicated with the water inlet cavity and the water distribution hole is formed between the blocking piece and the water distribution hole, and due to the fact that in the movement mode, the blocking piece moves in the direction away from the surface where the water distribution hole is located, during switching, friction force is small, switching force is low, and switching is easy. The plugging piece is provided with a stress part, the switching piece is provided with a switching part located in the water inlet cavity, and the switching piece is suitable for being operated to enable the switching part to move relative to the water outlet body and is matched with the slope of the stress part to drive the plugging piece to move towards the second position. And the blocking piece is suitable for being separated from the inclined plane matching relation with the stress part, so that the water outlet cavity is closed.

The invention provides an irrigation district water diversion quantity multistage distribution method under total quantity index constraint, comprising the following steps: dividing an irrigation district into a plurality of calculation units based on an administrative division boundary and a canal system network; respectively calculating the initial water demand of each calculation unit under the living water demand, the industrial water demand, the agricultural water demand and the ecological water demand; based on the initial water demand and according to multiple water resource rigid constraint indexes, performing at least one round of checking and pressure reduction on the initial water demand of each calculation unit to obtain an initial distribution water amount of each calculation unit; and carrying out secondary distribution on surplus water generated after checking and pressure reduction, and compensating the calculation units of which the water demand is not met to obtain the final distribution water of each calculation unit. According to the method, fair, reasonable and efficient distribution of water resources in a complex system with cross coupling of administrative division and canal system networks is realized, and the problems of conflict between a scheme and actual management requirements, water consumption contradiction and the like caused by a traditional single-dimension distribution method are avoided.

A deck with improved construction components and methods may feature weather and UV resistant components which intermesh with each other in forming the finished deck product. The components, when assembled, will also feature a water diversion system that will direct water that falls on the deck surface, whether through precipitation or for cleaning purposes, and direct said water away from the foundation of the deck and the foundation of associated building. The diversion system features two tiers, an upper tier formed primarily from deck plank troughs (310) and wall transition planks troughs (630) and a lower tier formed from mullion troughs (410) and edge cap troughs (510) all in fluid communication with water ejection spouts (720).

The invention relates to the technical field of pumped storage power station water diversion systems, and discloses a method and device for determining a pressure pipeline reinforcement ultra-high performance concrete lining structure. The method comprises the steps that internal pressure information, radius information and lining thickness information of a target water channel, the design tensile strength of a tensile steel bar, the tensile stress borne by ultra-high performance concrete and the lining section area per unit length are obtained; calculating circumferential stress information of the target water channel based on the internal pressure information and the radius information; based on the circumferential stress information and the lining thickness information, the tensile force resultant force of the lining section in unit length is determined; determining the total sectional area of the tensile steel bars based on the tensile resultant force of the section of the lining in unit length, the designed tensile strength of the tensile steel bars, the tensile stress of the ultra-high performance concrete and the section area of the lining in unit length; determining the number of to-be-assembled reinforcements based on the total sectional area of the tensile reinforcements; and the pressure pipeline reinforcement ultra-high performance concrete lining structure is determined based on the number of the to-be-assembled steel bars and a preset steel bar arrangement rule.

The invention discloses a BIM and big data-based water conservancy project full life cycle management method, and particularly relates to the field of project scheduling management, and the method comprises the steps: extracting water inlet and outlet attributes, geographic information and elevation of a water conservancy structure, building a structure node set with water passing semantics, and analyzing the execution sequence of the structure node set to form a function dependence edge; in combination with historical construction records and typical plateau meteorological data, construction offset nodes are extracted, and meteorological response offset attributes are constructed; fusing structure nodes, function dependence edges and response attributes to construct a multivariate construction management and control atlas, and subsequently, dynamically adjusting a node sequence and an accessibility state in the atlas according to a construction log and a real-time meteorological condition after a project is started; finally, the dynamic graph is embedded into a BIM plan task chain, a construction task scheduling path rearrangement scheme is generated through a linkage adjustment channel, the active response and automatic planning ability of construction scheduling to meteorological conditions is achieved, and the construction coordination and task execution efficiency of the plateau water diversion project are improved.

The invention discloses a mining method using a mining vehicle with a rear collecting head. The mining method comprises the following steps that the volume of a mixture to be absorbed by a mud pump within time t is set; setting the optimal volume concentration of the mixture absorbed by the dredge pump; determining the volume of undisturbed soil absorbed by the dredge pump within the time t according to the volume of the mixture to be absorbed by the dredge pump within the time t and the optimal volume concentration of the mixture absorbed by the dredge pump; according to the digging depth of the collecting head, the width of the collecting head, the advancing speed of the collecting head and the time t, the volume of the volume undisturbed soil collected by the collecting head is collected; introducing a water body through a primer pump to dilute the undisturbed soil collected by the collection head to the optimal volume concentration of the mixture absorbed by the mud pump; according to a mass conservation method, the volume of the undisturbed soil absorbed by the dredge pump and the volume of the undisturbed soil collected by the collecting head within the time t, the relation between the collecting depth of the collecting head and the advancing speed of the collecting head is determined. The defect that the mining vehicle is poor in performance matching performance is overcome.

The invention relates to the technical field of irrigation water, and discloses an irrigation district water optimization method and system based on dynamic data management, and the method comprises the steps: collecting the basic data of an irrigation district project and a monitoring station, the data of the irrigation district monitoring station, the monitoring data of the water volume of each branch water port in an access irrigation district, and the geographic information topological data of an integrated channel system and a land parcel; constructing a digital archive library; obtaining a water demand forecast and a recommended water distribution scheme according to the data in the digital archive, and making an actual water consumption scheme by referring to the water distribution scheme; calculating a canal system utilization coefficient and an irrigation water utilization coefficient based on the canal head water diversion amount, the water consumption data of each tail end water diversion port and the actual water consumption data of the field plot, and evaluating the water utilization efficiency; and when optimization is determined, optimizing water consumption of the irrigation area according to the canal environment data, the canal system utilization coefficient and the irrigation water utilization coefficient. According to the invention, by establishing a total-factor digital mapping relation, accurate metering and dynamic optimization of irrigation water are realized, and dynamic planning of water saving of an irrigation area is realized.

The invention discloses a tunnel high-pressure gushing water comprehensive treatment method integrating probing, guiding, blocking, discharging and fixing, and belongs to the technical field of tunnel construction. The method comprises the following steps: exploring and dividing geological subsections; drainage: drilling a water diversion hole in the concentrated water gushing channel, and pre-burying a multi-stage drainage pipe for graded pressure reduction; blocking is conducted, specifically, the channel is closed through a layered pressure backfill grouting technology; a permanent drainage system is laid, and a deep drainage pipe is connected; reinforcement is carried out, and radial consolidation grouting and groove jumping type inverted arch dismounting and replacing are carried out; and the whole process is monitored in real time, and construction is dynamically optimized. According to the method, exploration, drainage, plugging, drainage, reinforcement and dynamic regulation and control are organically combined, the problems that water plugging, pressure reduction and cooperation are difficult in high-pressure water-rich karst stratum tunnel gushing water treatment are solved, and the method has the advantages of being prominent in systematicness, thorough in treatment, remarkable in pertinence, safe, controllable, novel in process, reliable in quality, dynamic in regulation and control, high in adaptability, obvious in comprehensive benefit and the like.

The invention discloses a cross-basin water transfer project scheduling scheme evaluation method and system based on a cloud model, and the method comprises the steps: data preparation: collecting scheduling scheme data, and carrying out the normalization processing, and obtaining a reference database; standard cloud construction: defining a comment set, calculating standard cloud digital features and generating a standard cloud; comprehensive cloud construction: evaluating the scheduling scheme by using an expert scoring method, obtaining expert scoring data, calculating through a reverse cloud generator to obtain an evaluation cloud, determining a weight coefficient of an evaluation index by using an entropy weight method in combination with the reference database, and generating a comprehensive cloud; and scheme evaluation: establishing quantitative association of the standard cloud and the comprehensive cloud through dynamic scheme mapping, and determining a scheduling scheme evaluation grade through the similarity of the comprehensive cloud and the standard cloud. The method effectively processes the interactive influence of hydrological randomness and engineering regulation fuzziness, realizes qualitative and quantitative conversion, and improves the scheduling efficiency. The scheduling scheme can be evaluated objectively and scientifically, and a reliable basis is provided for a cross-basin water transfer decision.

A gate linkage control method and device and a series water supply and power generation system are provided. The method comprises the following steps of: acquiring a water demand and current water level information of the series water supply and power generation system, the current water level information at least comprising current riverway water level information and current water diversion trunk canal water level information; determining a gate opening degree control strategy of a first water diversion gate and a second water diversion gate according to the water demand and the current water level information of the series water supply and power generation system; and carrying out linkage control on the first water diversion gate and the second water diversion gate according to the gate opening degree control strategy.

The invention provides a quantitative evaluation method for suitability of plot-level water resources, which comprises the following steps: collecting rainfall data and evaporation data of a meteorological station in a research area, and generating rainfall and potential evaporation data of a target grid unit through a spatial interpolation method; calculating the actual evaporation capacity of the target grid unit, and constructing a water supply accessibility evaluation index according to the distance between the target grid unit and the potential water source and the required water diversion distance; determining the water supply convenience of the target grid unit based on the water supply accessibility evaluation index, superposing the influence of rainfall, constructing a water resource suitability evaluation model, and obtaining a water resource suitability quantitative evaluation result of the target grid unit; according to the method, multiple factors such as rainfall, evaporation and irrigation water accessibility are considered, quantitative evaluation of water resource conditions is achieved, and the method can be used for spatial analysis and planning of regional water resource suitability.

The utility model relates to a drilling, digging and sampling integrated drilling tool which comprises a drill bit, a sampling pipe and a plurality of drill rods, the drill rods are connected end to end, the sampling pipe is fixedly connected between one drill rod and the drill bit, the upper end of the sampling pipe serves as a flow guide cabin, the lower end of the sampling pipe serves as a screening cabin, and a sampling cabin is further arranged between the flow guide cabin and the screening cabin. Water diversion holes are formed in the surface of the flow guide cabin, material guide holes are formed in the surface of the sampling cabin, and screening holes are formed in the surface of the screening cabin. By adopting the technical scheme provided by the utility model, the drill bit and the drill rod are firstly drilled into a stratum, then water flow is injected into the drill rod, the water flow enters the outer surface of the sampling pipe through the water distribution hole, the water flow scours an underground ore bed, so that minerals flow into the sampling cabin in the sampling pipe, and finally, the minerals are deposited in the screening cabin under the action of the gravity of the minerals. The water flow for washing the minerals flows out to the outer surface of the drill bit through the screening holes; and the water flow softens the stratum soil, so that the further drilling difficulty of the drill bit is reduced.

The invention discloses a hill irrigation area water resource allocation method and application, and the method comprises the steps: firstly, determining an irrigation sheet of water resource supply and demand analysis with the minimum granularity according to the characteristics of a hill irrigation area, combining the water storage, water diversion, water lifting and water transfer projects of the irrigation area, generalizing the topological structure of the hill irrigation area, and obtaining a generalized topological structure diagram of the hill irrigation area; then establishing a hill irrigation area water resource optimization scheduling model according to the hill irrigation area generalization topological structure diagram, and performing optimization solution on the model by using a dual simplex algorithm; respectively carrying out irrigation area social and economic water consumption analysis and irrigation area ecological water consumption analysis, and finally carrying out water balance analysis on the water resource subarea where the irrigation area is located. According to the method, water balance is taken as a basic principle, the natural-social binary water circulation path of the water circulation of the hill irrigation area is coupled in the mathematical equation set, complex simulation sequence coding is avoided, modeling is easy, and the universality is good. The constraint equations are linear, a global optimal solution is easy to seek, and the utilization efficiency of water resources in the hill irrigation area can be effectively improved.

The invention relates to a tunnel advanced water diversion and drainage method which comprises the steps that a transient electromagnetic method is adopted to detect a tunnel, and the underground water distribution condition and the water-rich degree in front of the tunnel are obtained according to the detection result of the transient electromagnetic method; according to the underground water distribution condition and the water-rich degree, advance drilling is carried out on the front tunnel section of the tunnel, so that a water diversion hole channel communicated with a water-rich area is formed in the front tunnel section; and underground water in the water-rich area is drained and depressurized through the water diversion hole channels. The tunnel is detected through a transient electromagnetic method, advanced drilling is carried out according to the detection result, and a water diversion channel is formed; the water diversion channel is used for conducting advanced drainage and pressure release on dissolved cavity accumulated water, crack water and the like of the non-excavated hole section; therefore, advanced water diversion and drainage of the tunnel are achieved, on the premise that an existing construction technology of the tunnel is not changed, the risk of water burst and mud burst in the subsequent tunnel section excavation process is effectively reduced, and tunnel construction safety 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 invention relates to the technical field of water treatment equipment, in particular to chemical dosing equipment for river and lake water purification treatment and a chemical dosing control method of the chemical dosing equipment. Based on a response mechanism of incoming water quality and purifying agent feeding amount, the invention develops agent feeding equipment for high-efficiency purification treatment of large-flux micro-polluted river and lake water quality, and the agent feeding equipment is mainly composed of a water quality monitoring module, a water purifying agent feeding module, a water purifying agent storage module, a water diversion module and an integrated control module; when the water quality of the target water body needs to be purified, the water diversion module is started for water diversion, and the integrated control module automatically starts the water purifying agent adding module after analyzing and judging the current water quality condition of the target water body through the water quality monitoring module by utilizing built-in control logic; the problems of low automation degree, relatively large occupied area and relatively high manual operation and maintenance cost of existing medicament adding equipment are solved, precise medicament adding is realized, and the water quality purification effect is improved.

The invention provides a water receiving lake water quality analysis method and system in a water diversion project combined with multi-source data fusion, and relates to the technical field of water resource management and analys.The method comprises the steps that firstly, field domain basic data are collected, and a water quality association field is constructed; performing interaction relationship modeling operation on the field domain units to obtain a field domain unit interaction model; performing dynamic coupling fusion processing on the field domain basic data based on the field domain unit interaction model to generate coupling water quality data; combining the water quality associated field domain change trend data with the coupled water quality data to deduce a water receiving lake water quality trend evolution path; and finally, identifying the core interaction unit and generating a water diversion project water quality dynamic regulation and control scheme in combination with the trend evolution path. The system can comprehensively analyze the water quality of the water-receiving lake, realizes accurate dynamic regulation and control, and ensures the stability of the water quality.

The invention relates to a multi-channel-pool cooperative regulation and control method, system and device and a medium, and belongs to the technical field of hydraulic engineering automation control. The method comprises the steps that the overshoot flow of each channel pool under the preset water diversion working condition is calculated; calculating the maximum variable amplitude of the water level in front of a sluice of each channel pool under the preset water diversion working condition by combining an objective function of a feed-forward control optimization model with the overshoot flow; under the constraint of at least one constraint condition, through the feed-forward control optimization model, with the minimization of the maximum variable amplitude of the water level in front of the gate as a target, dynamic storage capacity compensation iterative calculation is carried out, and a target overshoot flow proportionality coefficient of each channel pool is obtained; and according to the target overshoot flow proportionality coefficient of each channel pool, a regulation and control instruction of each check gate is generated, and the multi-stage check gates are regulated and controlled according to the regulation and control instructions. Through the cooperative regulation and control instruction set of the multi-stage check gates, cooperative control of the multi-stage check gates is realized, the hydraulic coupling effect between channels and pools is quantified, and the real-time control efficiency under complex working conditions is improved.

The present invention relates to a water diversion valve and a cleaning machine using the water diversion valve. The water diversion valve includes a shell, a fixed seat, a first movable column, a second movable column, and a drive assembly. The shell has a water diversion chamber. The side of the water diversion chamber has a water inlet for docking with the water outlet of the cleaning machine. The top of the water diversion chamber has a first water outlet and a second water outlet. The fixed seat is provided at the bottom of the water diversion chamber. The first movable column and the second movable column can be constrained on the fixed seat so as to move up and down. After rising, the corresponding water outlets are sealed. The drive assembly is used to drive the first movable column and the second movable column to move up and down, and always keep the lifting and lowering directions opposite. The water diversion chamber of the water diversion valve of the present invention is directly docked with the water outlet of the cleaning machine, which improves the sealing performance of the connection. Through the alternating lifting and lowering of the first movable column and the second movable column, the first water outlet and the second water outlet are individually and absolutely sealed, which improves the sealing and reliability in the water diversion state, and is conducive to improving the water diversion effect.

The invention relates to an intelligent ship water diversion method and system based on RTK and inertial navigation fusion, and the method comprises the steps: firstly, deploying and calibrating an RTK base station at a wharf commanding height, generating a differential correction in real time, and broadcasting the differential correction to a shipborne end; utilizing RTK surveying and mapping equipment to collect shoreline feature points, adopting a cubic spline interpolation algorithm to construct a continuous and smooth three-dimensional shoreline curve model, and fusing wharf geographic information to generate a shoreline visual map with geographic coordinates; establishing a ship coordinate system, converting inertial navigation attitude data into the coordinate system through a rotation matrix and a translation vector, fusing the inertial navigation attitude data with RTK position data, and outputting a high-precision ship pose; fusion data are transmitted through a 5G network, a shore end converts the fusion data into a local plane coordinate system and generates a real-time dynamic visual interface, the real-time dynamic visual interface is pushed to a tug terminal through an RTSP protocol, water diversion operation is assisted, high-precision perception, visual guidance and shore ship cooperation of the ship berthing process are achieved, and the water diversion safety and the intelligent level are improved.

The invention discloses a novel multi-source disturbance quantity and multi-pump flow matching analysis method for a deep-sea mining vehicle. The method comprises the following steps that the lower limit value of the water diversion quantity at a collection head gap is set; determining the upper limit value of the flow of the mixture absorbed by the dredge pump; determining a lower limit value of the flow of the mixture absorbed by the primer pump; determining the lower limit value of the flow of the mixture absorbed by the dredge pump; determining the upper limit value of the flow of the mixture absorbed by the primer pump; according to a mass conservation method, the lower limit value of the water diversion amount at the gap of the collection head, the upper limit value and the lower limit value of the flow of the mixture absorbed by the dredge pump and the upper limit value and the lower limit value of the flow of the mixture absorbed by the water diversion pump, the water diversion amount at the gap of the collection head is drawn; and determining the flow range of the mixture absorbed by the dredge pump and the flow range of the mixture absorbed by the primer pump according to an envelope diagram of the flow of the mixture absorbed by the dredge pump and the flow range of the mixture absorbed by the primer pump. The defect that the pump flow matching performance of the mining vehicle is poor is overcome.

The invention discloses a water diversion structure for water conservancy and hydropower engineering, and relates to the technical field of water conservancy and hydropower water diversion devices. The filtering device comprises a filtering net cylinder; the filtering device is connected with a scraping assembly; the scraping assembly is rotationally connected with a cleaning assembly; the bottom of the water diversion box is fixedly connected with a sealing assembly; the scraping assembly is in transmission connection with the discharging assembly through the transmission assembly. The filter screen cylinder is driven to rotate through the filter device, and the filter device synchronously drives the scraping assembly to scrape impurities; the scraping assembly drives the cleaning assembly to clean the filter screen cylinder; the scraped impurities are sealed and collected by the sealing assembly, and then the transmission assembly drives the discharging assembly to be discharged in a centralized mode. The problems that in the operation process of an existing water diversion device, when impurities are discharged, water leakage is likely to be caused, and conveying efficiency is lowered are solved.

The utility model provides a water diversion type cascade series hydropower station group. Each stage of hydropower station comprises a water inlet, a water diversion tunnel, a surge chamber, a branch pipe, a plant, a flow balance discharge hole, an energy dissipation facility, a tail water tunnel and a regulating reservoir. Wherein the water inlet of the first-stage hydropower station is communicated with a reservoir, and the last-stage hydropower station is connected with a downstream river channel; a flow balance discharge hole is arranged below a plant of each stage of hydropower station, the flow balance discharge hole is connected with the plant in parallel, the upstream of the flow balance discharge hole is separated from a diversion tunnel through a branch pipe, the downstream of the flow balance discharge hole is communicated with a regulating reservoir, the flow balance discharge hole is provided with a valve chamber, a discharge ball valve and a flow regulating valve are mounted in the valve chamber, and an energy dissipation facility is arranged at the downstream of the valve chamber. The water flow stably enters the adjusting tank. On the premise that work of other hydropower station units in the cascade is not affected, the flow can still be normally lowered into a downstream reservoir, and therefore it is guaranteed that power generation of upstream and downstream hydropower stations is not affected.

A double-outlet vertical axial flow pump is arranged between an inland river gate and an outer river gate and comprises a water inlet horn, a guide vane body, a pump support and a water outlet elbow pipe are sequentially installed above the water inlet horn, a lower guide bearing part is connected into the guide vane body, and the upper end of the water outlet elbow pipe is connected with an upper guide bearing part. A pump shaft is arranged between the lower guide bearing part and the upper guide bearing part in a penetrating mode, the bottom of the pump shaft penetrates through the lower guide bearing part to be connected with a rotor part, two outlets are formed in the upper portion of the water outlet bent pipe, one outlet is connected with a water diversion pipe, the water diversion pipe faces an inland river gate, and a water diversion valve is arranged on the water diversion pipe. The other outlet of the water outlet elbow pipe is connected with a flood drainage pipe, the flood drainage pipe faces the outer river gate, and a flood drainage valve is arranged on the flood drainage pipe. Compared with the prior art, the double-outlet vertical axial flow pump has the advantages that the water outlet bend is of a double-outlet structure and is used in cooperation with the valve, and the two functions of flood drainage and water diversion can be achieved at the same time.

The invention relates to a diversion tunnel complex environment concrete internal quality detection method based on elastic waves, and belongs to the technical field of concrete engineering nondestructive testing. The concrete lining thickness, the defect depth, the void position and the concrete elasticity modulus are calculated according to the wave velocity of the elastic wave, and the concrete strength can be converted through the concrete elasticity modulus. The method can detect and evaluate the concrete quality of the diversion tunnel lining project in a complex environment, provides targeted measures in the aspects of thicker tunnel lining, humid environment, noise interference and the like, and has the characteristics of convenience, high accuracy, rapidness and high efficiency, so that the concrete quality of the diversion tunnel lining project in the complex environment is scientifically and accurately detected and evaluated, and necessary prevention measures are taken for the tunnel project with hidden dangers. And disasters are avoided, so that safe production and operation of tunnel engineering are guaranteed.

The invention provides a vertical shaft type water inlet and outlet gate system of a pumped storage power station, and belongs to the technical field of water conservancy safety control. Comprising a cylindrical gate, a closed shaft, a trash rack section, a diffusion section, a straight pipe section, a bent pipe section and a tunnel section which are sequentially arranged on the cylindrical gate vertical shaft type water inlet and outlet in the power generation water flow direction. One end of the trash rack section is a horn mouth section, the trash rack section is provided with a cover plate, a diversion pier and a trash rack, and the lower portion of the cover plate of the trash rack section is connected with the diversion pier; digging a hole in the center of the cover plate; the trash rack is provided with an orifice serving as a water inlet / outlet orifice; a diversion tunnel is connected behind the bent pipe section; the gate is a cylindrical gate and arranged above the water inlet and outlet, the gate is vertically communicated, the bottom of the gate is fixed to the inner surface of the horn mouth section concrete, the top of the gate is fixed to a cover plate of the trash rack section, and the periphery of the gate is fixedly connected with a closed shaft through a diversion pier wall. The construction difficulty can be reduced, and the maintenance convenience degree can be improved.