108 results about "Sluice" patented technology

The present application relates to the technical field of metallurgical equipment operation control, and particularly relates to a rough copper sluice heat preservation and operation control method based on bonding-melting balance, comprising the following steps: establishing a bonding strength-melting rate-temperature-preservation parameter correlation model, and determining a critical temperature interval when bonding and melting are balanced; according to the balance model and real-time production data, the temperature of the inner wall of the sluice is monitored in real time through a temperature sensor, when the temperature is lower than the critical temperature interval, the electric heat tracing device is started to supplement heat, when the temperature is higher than the critical temperature interval, the opening degree of the heat preservation cover plate is adjusted; before the rough copper is discharged, the heat preservation system is started in advance, and the sluice is preheated to the lower limit of the critical temperature interval; during the discharge process, the rough copper flow rate is controlled; after the discharge is completed, the heat preservation system is kept running. Through the whole-process management and control of preheating, operation process regulation and control and subsequent heat preservation, the dynamic balance of bonding and melting of the rough copper on the inner wall of the sluice is realized.

The present disclosure provides a graded underground pumped-storage hydropower system in a coal mine, and construction and methods of use. The system comprises a surface reservoir, wherein multi-stage stepped underground reservoirs are arranged below the surface reservoir, and there is no communication between the multi-stage stepped underground reservoirs. One side of the underground reservoir on each layer is provided with a hydraulic turbine room, and an upward water conveyance passageway and a downward water conveyance passageway are arranged between the hydraulic turbine room and each underground reservoir. Additional water conveyance passageways are arranged between the hydraulic turbine rooms among the layers. During use, the present disclosure can achieve multi-grade power generation and energy storage capabilities by controlling sluice gates, adjusting water flow directions as required.

The invention discloses a multi-joint cutter suction device for environment-friendly dredging of river sediment, which relates to the technical field of environmental protection, and comprises a suction acquisition assembly for forming a suction flow field through a suction head and introducing sludge slurry into a suction pipeline; the long-distance sludge discharging and conveying assembly is used for continuously conveying sludge slurry to a rear-end treatment end along a sludge discharging main pipeline after the sludge slurry is pressurized by a slurry pump, and the sludge discharging main pipeline comprises an anti-arch high-point section; the anti-arch accumulated gas isolating and pumping and discharging assembly is used for guiding the accumulated gas into the buffer space and pumping and discharging the buffer space to eliminate the accumulated gas of the anti-arch when the accumulated gas occurs at the high-point section of the anti-arch; according to the invention, an air plug isolation buffer branch, a liquid phase one-way back-filling branch and a pump outlet shunt-driven jet air exhaust branch are constructed between a suction side and a main conveying link, and a state machine method based on pressure-flow characteristics is matched, so that isolation buffer and self-energy air exhaust self-healing of an air plug are realized.

The utility model discloses a convenient-to-adjust auxiliary device for accurately controlling the water level of a check gate, and relates to the technical field of measuring devices. The device comprises a vertical rod and a measuring device. The measuring device comprises an outer cylinder, and the outer wall of the outer cylinder presents an arc-shaped surface which points to the central position from the upper side and the lower side and sinks inwards; a sliding shaft is coaxially arranged in an inner cavity of the outer cylinder, scale marks are arranged on the circumferential side face of the sliding shaft, a floating ring is slidably arranged on the circumferential side face of the sliding shaft in the axial direction, and a plurality of floating balls are evenly arranged on the circumferential side face of the outer cylinder close to the middle. From the microscopic perspective, water is subdivided into countless small parts, the water level of each small part changes slightly, one of the parts in the inner cavity of the outer barrel is selected, the water level in the inner cavity of the outer barrel can be regarded as being not influenced by fluctuating waves, and large water level change cannot occur; therefore, when the wave fluctuates, the water level can still be measured relatively stably.

The utility model discloses a slag sluice wear-resistant material preheating and pouring integrated device, and relates to the technical field of wear-resistant material pouring devices. The device comprises a movable seat, a storage tank and a pouring pipe, the stirring device comprises a pouring pipe, a linkage mechanism, a stirring rod, stirring blades, a ball valve and a first rotating column, and the first rotating column is rotationally connected with the inner wall of the pouring pipe through a bearing. According to the utility model, the linkage mechanism is arranged; through the arrangement of a single power source, when the output end of the driving motor rotates clockwise, a plurality of stirring blades can be driven to rotate through mechanical transmission so as to uniformly stir materials in the storage tank, and when the output end of the driving motor rotates anticlockwise, a ball valve can be driven to rotate through mechanical transmission so as to uniformly stir the materials in the storage tank. Compared with the traditional mode that multiple sets of power sources are arranged to achieve the purposes of stirring and discharging, the device has the advantages that the use cost is reduced, and the workload during device overhauling is reduced.

The utility model belongs to the technical field of sluice cleaning, specifically is a sluice cleaning device, including support frame, the support frame outside fixedly connected with first motor, first motor output fixedly connected with moving screw rod, this step through setting moving screw rod, moving block, second motor, turning plate and brush, set up the device near the sluice, through first motor drive moving screw rod rotation, through moving screw rod drive moving block up and down movement, through moving block drive brush up and down movement, make one side brush first to sluice carry out scrubbing, after one side brush stains impurity, through second motor drive turning plate rotation, through turning plate drive the other side clean brush rotation to contact with sluice, thereby through clean brush to sluice carry out again cleaning, make one side brush when relatively dirty can replace brush in time, and then need not in the middle of cleaning to take out the brush and clean, improved the stability of device use.

This invention discloses a mineral processing method that combines flash flotation and spiral sluice to improve copper recovery, comprising the following steps: A. Strong stirring and slurry conditioning; B. Hydrocyclone classification; C. Flotation roughing; D. Flotation scavenging I; E. Flotation scavenging II; F. Flotation scavenging III; G. Flotation column cleaning I; H. Flotation column cleaning II. For copper rough concentrate, this invention employs a "flash flotation-spiral sluice scavenging" process to separate fine copper particles, ensuring the recovery rate of the copper concentrate. Simultaneously, the flotation column cleaning ensures the grade of the copper concentrate, thereby improving the copper recovery rate and solving the problem of inefficient copper recovery in conventional flotation processes. This method combines flash flotation and spiral sluice, achieving efficient copper resource recovery. It is a green, environmentally friendly, and energy-efficient mineral processing method suitable for widespread application.

The utility model discloses a reservoir sluice convenient to use for hydraulic engineering, which belongs to the technical field of hydraulic engineering and comprises a frame, a sluice body is mounted in the frame, and a support frame is fixedly connected to the front of the sluice body. In the water retaining process of the gate body, if the gate body floats or a large amount of garbage is deposited on the gate body, the driving motor can be started for cleaning, the driving motor drives the gear to rotate so as to drive the rotating shaft and the other gear to rotate synchronously, and at the moment, the two gears drive the two belts to rotate synchronously respectively. Then, a belt drags a lifting plate to move longitudinally, the lifting plate lifts garbage at the bottom to a certain height through lifting action, when the lifting plate moves to a designated position, the lifting plate turns over, the turned garbage is poured into a collecting box, and the whole process is conducted in the same way and continues; therefore, garbage around the gate body can be effectively cleaned and collected.

This invention discloses a collaborative adaptive scheduling method for pumping stations and sluice gates based on multi-source data, belonging to the field of smart water conservancy automation control technology. The method includes the following steps: pre-extraction of situational feature parameters, including real-time collection of meteorological and rainfall forecast data, upstream water level, downstream water level, inflow into the reservoir and river, equipment operating status data, and downstream water demand commands; and construction of a comprehensive evaluation function S. This invention significantly improves the predictability and timeliness of flood control scheduling, effectively avoiding flood risks caused by sudden hydrological events. Furthermore, by setting a smoothness penalty term and a stability constraint on the actuator in the objective function, it achieves gradual adjustment of gates and pumping stations, completely solving problems such as water hammer effect and river scouring damage caused by excessively rapid actions in traditional control, ensuring the stability of water flow and the service life of water conservancy facilities.

The application discloses a kind of tidal river network sluice operation data model processing method, system and terminal, it is related to sluice operation analysis technical field, and its technical scheme main points are: initial outer river tidal level is carried out noise reduction pretreatment, and sliding average is carried out;Select the smooth result of the highest matching degree of rising and falling tide trend, and carry out abnormal fluctuation elimination processing;The rising and falling tide trend in standard smooth result is analyzed;Rising and falling tide trend result and water level difference threshold are loaded in Infoworks RTC module;Different water level difference threshold is tried, and the optimal water level difference threshold of sluice opening and closing is determined, to obtain final Infoworks RTC module.The application is carried out to the smooth processing of outer river tidal level data, and the outer river tidal drop process is judged, according to the inner and outer river tidal difference to control the opening and closing of sluice, reach water quality model operation working condition and actual engineering working condition consistent, provide strong support for later water power water quality model rating.

The utility model relates to an anti-bird device for electrical equipment in a water gate machine room, and belongs to the field of anti-bird devices, the anti-bird device comprises an anti-bird net, the anti-bird net is arranged at a penetrating opening through which a steel wire rope penetrates, the anti-bird net comprises a plurality of side net pieces and a lower net piece, the side net pieces are connected end to end to form a quadrangle, and the penetrating opening is located in the quadrangle defined by the side net pieces; the lower net piece is vertically connected to the bottom of the side net piece and provided with the penetrating space for the steel wire rope to penetrate through, birds can be effectively prevented from entering the hoist room by arranging the anti-bird net at the penetrating opening for the steel wire rope to penetrate through, then the birds are prevented from nesting on electrical equipment, and safety and sanitation of the electrical equipment are guaranteed.

The invention discloses an integrated water conservancy monitoring device for a reservoir sluice pump station, and relates to the technical field of water conservancy monitoring. The device comprises a mounting base, a stabilizing mechanism is fixedly mounted at the bottom of the mounting base, the stabilizing mechanism comprises a first stabilizing insertion rod fixedly mounted at the bottom of the mounting base, a connecting plate is slidably connected into the first stabilizing insertion rod, a second stabilizing insertion rod is fixedly mounted on the connecting plate, and the second stabilizing insertion rod penetrates through the first stabilizing insertion rod and extends out; a reset spring is arranged between the connecting plate and the inner wall of the first stable inserting rod, the upper portion of the connecting plate abuts against the arc shape of the connecting rod, and the connecting rod is slidably connected into the fixing mechanism. By arranging a plurality of stabilizing mechanisms, after a first stabilizing inserting rod is inserted into the ground, when the first stabilizing inserting rod meets soft or complex terrains, a connecting rod is pressed downwards, and a second stabilizing inserting rod penetrates into the ground to enhance connection. A plurality of stabilizing mechanisms are uniformly distributed, so that stable support can be provided from multiple directions, different geologies can be effectively coped, stable installation of the device is ensured, and continuous monitoring is guaranteed.

The utility model relates to a sluice pier protection structure, which belongs to the technical field of water conservancy facilities and comprises a middle sluice pier and side sluice piers, both sides of the middle sluice pier are provided with sluice gate grooves, one side of each side sluice pier close to the middle sluice pier is also provided with a sluice gate groove, the middle sluice pier is arranged between the side sluice piers, and the upstream side of the middle sluice pier is fixedly provided with an arc-shaped long plate. The arc-shaped long plate is a vertical long plate with an arc-shaped opening formed in the front side, the semi-arc plate is fixedly installed on the front side of the side gate pier, the semi-arc plate is a vertical long plate with a semi-arc opening formed in the front side, and the semi-arc openings in the two sides are oppositely arranged. By arranging the arc-shaped long plate, when upstream water flow scours downwards, the upstream water flow rushes into the arc-shaped long plate to be buffered, then water in the arc-shaped long plate flushes back again and is opposite to the water flow rushed down again to generate impact, the effect of reducing the impact force of the water flow is achieved, and therefore the scouring force of the water flow to the gate pier is reduced, and concrete on the surface of the gate pier is prevented from falling off; and subsequent dangers are avoided in advance.

The invention relates to the technical field of sluice water conservancy projects, and discloses a sluice water conservancy project self-maintenance sluice structure which comprises a base and a sluice plate, a cover plate is fixedly connected to the top of the base, and an adjusting mechanism is arranged at the bottom of the cover plate. The adjusting mechanism is used for driving the flashboard to ascend or descend and can drive the expansion mechanism to adjust the width of the flashboard while ascending or descending, and a scraping mechanism is arranged on the front side of the flashboard and used for scraping moss and impurities attached to the surface of the flashboard. A motor is started to drive a rotating rod and a driving gear to rotate, the driving gear is meshed with a driven gear to enable a rotating short rod to move, an eccentric rod rotates along with the rotating rod to push the rotating short rod to swing, a sliding block is driven to slide in a U-shaped limiting rod, the U-shaped limiting rod slides up and down along an L-shaped rod, and an expansion mechanism is driven to operate through a bottom connecting rod; the connecting rod slides in the mounting block, and the gate plate is pushed or pulled through the limiting circular plate.

The multi-layer hydraulic automatic flap gate type water inlet structure comprises a water inlet foundation, a water inlet wall body with a U-shaped cross section is arranged on the water inlet foundation, water inlet flow channels are formed in the left side wall and the right side wall of the water inlet wall body, and a multi-layer hydraulic automatic flap gate is connected between the left side wall and the right side wall. A main hole communicated with a downstream pipeline is formed in the bottom of the downstream side wall of the water inlet wall body, a working gate breast wall with the two sides connected to the left side wall and the right side wall of the water inlet wall body is arranged between the downstream side wall of the water inlet wall body and the multi-layer hydraulic automatic flap gate, and the bottom of the working gate breast wall is communicated with the main hole and connected with a working gate. Layered water taking is achieved through the hydraulic action, and the effects of simplifying the control process and reducing energy consumption are obvious.

This invention relates to the field of mineral processing technology. The invention discloses a multi-stage gradient magnetic separation device for magnetic separation of slurry, characterized by comprising: a sluice for conveying slurry; a magnetic separation unit comprising a plurality of magnetic separation components arranged along the slurry flow direction, each magnetic separation component comprising a plurality of magnetic separation rods arranged at intervals, the magnetic separation rods being adapted to magnetically attract ferromagnetic substances in the slurry, the magnetic properties of the plurality of magnetic separation components increasing sequentially in the slurry flow direction; and a driving component adapted to drive the magnetic separation components respectively, causing the magnetic separation components to insert into or leave the sluice. The multi-stage gradient magnetic separation device provided by this invention improves the grade and recovery rate of the separated ferromagnetic substances.

The invention discloses a three-river parallel flow water frying power generation flood control protection method which comprises the steps of horizontal tunnel arrangement, water diversion pipe step arrangement, ventilation window arrangement, water frying tunnel water pipe V and water tank comparison, tunnel section change, river channel centrifugal sand discharge and linear river channel sand discharge. The method comprises the following steps: arranging a sand blocking semi-water gate, comparing tunnel segmentation conditions, arranging a water inlet sand discharge pump-floating platform, and arranging a water conduit funnel, a screen and a hexagonal filter screen. The hydroelectric generation is stable in benefit; rivers are networked, and the drought and flood adjusting capacity is multiplied and far exceeds that of a water storage power station; three gorges have more time to raise the water level of the reservoir, more electricity is generated, and flood is prevented by lowering the water level; if the three gorges are attacked to break the dam, the destructive power of the flood to the downstream is reduced, namely, the attacked value of the three gorges is reduced, and the risk of being attacked is also reduced; for flood disasters, downstream flood control is helped, red envelopes can be collected, and water is most suitable for being used as the red envelopes in rainy seasons; the three gorges dam break exercise is facilitated, and controllability is achieved.

This invention discloses an automatic identification method for siltation in the inlet channel of a sluice gate, integrating drone aerial photography. Relating to the field of image recognition, this invention automatically optimizes flight parameters through a dynamic feedback adjustment mechanism, avoiding the subjectivity and inefficiency of traditional manual adjustments, and significantly improving operational accuracy and stability. Simultaneously, it constructs dedicated segmentation models for different hydrological conditions, effectively addressing complex environmental challenges through a dual-model fusion processing strategy, greatly improving the accuracy and robustness of siltation identification. Furthermore, it integrates an intelligent time-consuming optimization mechanism, automatically selecting the optimal segmentation accuracy through experimental data-driven methods, minimizing processing time while ensuring monitoring quality. This provides reliable technical support for the efficient operation and maintenance management of hydraulic structures, truly realizing an intelligent and standardized operation mode from data acquisition to output.

The utility model discloses a layout structure suitable for flood discharge and sand washing lock on many silt river, including sand washing lock and flood discharge lock, sand washing lock and flood discharge lock are side by side arrangement, and the upstream of sand washing lock and flood discharge lock is equipped with lock chamber upstream blanket, and the upstream blanket is equipped with the water retaining wall structure between sand washing lock and flood discharge lock, and the downstream of sand washing lock and flood discharge lock is equipped with downstream apron structure, and the downstream apron structure is equipped with the flow guide wall structure corresponding with water retaining wall structure, and the downstream apron structure tail end is fixedly connected with the sea bank structure, and the downstream apron structure and sea bank structure are equipped with apron tail end deep -tooth wall, still include water diversion lock, and water diversion lock is located at the one side of sand washing lock away from water retaining wall structure. The utility model discloses a layout structure suitable for flood discharge and sand washing lock on many silt river, solves the problem of easy wear and tear of existing energy dissipation mode, destroys the sea bank, threatens the stability of building and increases the maintenance management difficulty.

The invention provides a sluice water flow field prediction method and device based on brain-like inspiration and a server, and relates to the technical field of flow field prediction.The sluice water flow field prediction method comprises the steps that a calculation area of a sluice and boundary conditions, initial conditions and a control equation of the calculation area are obtained, and training data are collected; respectively processing each dimension in the coordinate value of the training data through mutually independent modular sub-network sets to obtain a feature vector set, and carrying out tensor decomposition type feature fusion processing on the feature vector set to obtain a predicted value of the flow field variable; and constructing a total loss function by using the predicted value of the flow field variable, the boundary condition, the initial condition and the control equation, and carrying out brain-like heuristic training processing on the modular sub-network set based on the total loss function to obtain a brain-like heuristic separated physical information neural network so as to carry out prediction processing on the flow field of the sluice under different working conditions. And obtaining a target prediction result. According to the invention, prediction efficiency and prediction accuracy can be significantly improved.

The invention relates to the technical field of water conservancy automation control, in particular to a self-adaptive water level regulation sluice control linkage system which comprises a water level acquisition module, a main control module, a communication module and an execution mechanism module, and a self-adaptive closed-loop control structure is formed through data interaction among the modules. The water level acquisition module is used for acquiring upstream and downstream water levels in real time and generating a stable water level signal; the main control module integrates a self-adaptive water level prediction control unit, a distributed linkage control unit and an execution mechanism health diagnosis unit which are respectively used for generating a predicted water level and a target opening degree, realizing multi-water-gate cooperative adjustment, evaluating the health state of an execution mechanism and implementing compensation control; the communication module is used for realizing state synchronization and linkage instruction interaction among multiple water gates; and the execution mechanism module executes the water gate action according to the target opening degree and provides opening degree feedback. By means of the structure, self-adaptive adjustment and multi-stage linkage of the water gate can be achieved under the complex water level change condition.

The invention provides an R-KGCN emergency disposal method for the silt danger of a floating wing suspension door in the storm surge period of a super-huge tide gate. According to the method, a system framework covering knowledge modeling, reasoning definition and reasoning optimization is constructed on the basis of a relationship-enhanced knowledge graph convolutional network, and structured expression and intelligent reasoning of sediment disaster emergency disposal knowledge are realized. The method comprises the following main technical links: (1) constructing a knowledge graph mode layer and a data layer oriented to a sediment disaster scene, and establishing a'feature-event-disposal 'ternary model and a hierarchical relationship; (2) proposing a structured reasoning problem definition framework of an emergency processing task, and supporting modeling requirements of multi-source, multi-scale and multi-relation semantics; (3) designing an R-KGCN inference algorithm integrated with a semantic relationship enhancement module, and improving the accuracy and interpretability of inference; and (4) forming a knowledge reasoning and intelligent recommendation method oriented to sediment dangerous cases, and providing decision support and emergency response guarantee for operation scheduling of the oversize tide gate.

The invention discloses a water conservancy project self-dredging gate and a method thereof, and belongs to the technical field of water conservancy projects. Comprising a gate body, a gate leaf and a pair of gate piers, the gate leaf is slidably arranged between the pair of gate piers, the sides, close to each other, of the bottoms of the pair of gate piers are fixedly connected through a gate groove body, and the bottom of the gate leaf is closely matched with the gate groove body; the desilting assembly comprises scraping blocks, a pull rope and a first reset spring, the pair of scraping blocks is arranged in the gate groove body in a sliding mode, the pair of scraping blocks is arranged in the middle of the gate groove body, inclined planes are arranged on the sides, away from each other, of the scraping blocks, and the pair of driving assemblies are arranged to drive the scraping blocks correspondingly. Through the collaborative design of the gate body, the desilting assembly and the driving assembly, the problem that a traditional gate is prone to sediment deposition during descending is solved, and the desilting assembly automatically expands a scraping block in the gate leaf descending process to remove sediment in a gate groove body; the driving assembly achieves automatic control through gear and rack transmission and is suitable for the silt-laden environment.

A slope section differential energy dissipation structure belongs to the technical field of hydraulic engineering structures and is characterized in that a bottom plate and at least one group of stilling piers are sequentially arranged on a slope section at the upstream of a stilling pool of a release structure from bottom to top. The stilling piers are arranged in a plum blossom shape, and the whole stilling piers are in a barb body shape perpendicular to the water flow direction. The baffle piers enable water flow to turn and collide with each other behind the piers, so that turbulent fluctuation of the water flow is increased, the water flow is divided into a plurality of small water strands, flow velocity distribution is adjusted, the water flow is discharged group by group, friction with the water flow is increased, roughness of a slope section is increased, energy is dissipated along a flow space, energy dissipation efficiency is improved, and downstream scouring of hydraulic structures such as gate dams and the like can be improved. The scouring damage of discharged water flow to the stilling pool, the apron and the riverbed is relieved, the efficient energy dissipation effect is achieved, and the requirements of engineering safety and the like are met.

The intensive urban ecological navigation sluice convenient to overhaul comprises a sluice chamber unit, the side wall of the sluice chamber unit is a reinforced concrete bearing wall, and a traffic bridge is arranged at the top of the sluice chamber unit; a lock chamber bottom plate is arranged between the adjacent side walls, a flap gate driven by a bottom shaft is arranged on a weir body of the lock chamber bottom plate, and a blow-down pipe is arranged between the upstream and the downstream of the flap gate. A gate oil cylinder connected with the side wall is arranged on the downstream face of the flap gate, and a fender plate with the top face lower than the bottom face of the traffic bridge is arranged on the outer side of the gate oil cylinder. A maintenance plate is further arranged on the side wall of the lock chamber unit, the bottom of the maintenance plate is hinged to the side wall, and the maintenance plate has the storage state that the maintenance plate is attached to the side wall and the working state that the free end is in lap joint with the top of the fender plate. The system is ingenious in structure, small in occupied area and convenient to operate and maintain, the functions of water retaining, navigation, traffic and landscape are effectively integrated, independent structures are greatly reduced, space permeability is improved, and the ecological water level maintaining problem is ingeniously solved.

The invention relates to the field of water gate and pump station automatic control methods based on digital twinning, in particular to a water gate and pump station automatic control method based on digital twinning. Which comprises an early warning system based on digital twinning and the like, and has the following advantages: firstly, through all-weather data monitoring and omnibearing information reference of the reservoir, modeling comparison is performed on the operation state of the reservoir within a period of time in the future based on the digital twinning system, so that an early warning signal of possible flood is obtained in advance; the computer judges the danger signal, the water gate is automatically punched to drain water, and the water gate is automatically closed to stop draining water, so that on one hand, the water level in the reservoir is always maintained in a dynamic safe state, and on the other hand, when the computer monitors danger, the water gate of the pump room is actively controlled to drain water; the process that the gate is gradually opened to drain water after a signal is manually received is omitted, and more flood storage space and protection time can be obtained by exchanging saved time.

The application relates to the technical field of flood discharge gates and discloses a water conservancy project flood regulating and discharging gate and a use method thereof, which comprises a bottom plate, two side piers fixedly installed on the bottom plate, a flood discharge slope fixedly connected with one end of the bottom plate, a main gate slidingly installed between the two side piers, a lifting frame fixedly installed at the upper ends of the two side piers, a winch fixedly installed on the lifting frame, and a steel wire rope fixedly connected between the output end of the winch and the upper end of the main gate. The water flow drives the paddle to move, the rotating shaft drives the rotating disc to rotate, the sliding rod slides along the centrifugal groove to the edge of the rotating disc under the action of the centrifugal force, the arc-shaped plate is continuously limited by the sliding rod to drive the sliding block to move upwards, the pressure sensing plate senses the pressure and controls the cylinder to extend to the corresponding gear position, the wedge-shaped block drives the water guide plate to rotate, the end portion of the water guide plate rotates upwards to reduce the angle of the flood interception, and the water flow in the flood flow channel is prevented from being too much to increase the load of the water turbine.

The invention discloses an opening and closing control method and system for a water conservancy project sluice, and the method comprises the following steps: collecting water conservancy environment parameters and sluice operation parameters in real time, and obtaining parameter data; preprocessing the parameter data to obtain effective monitoring data; constructing a water gate opening and closing model, inputting the effective monitoring data into the water gate opening and closing model, and outputting target control parameters of the water gate; comparing the sluice operation parameter with a target control parameter of the sluice to obtain a difference value; generating a sluice adjustment instruction based on the difference value, driving the sluice to a target position according to the sluice adjustment instruction, and feeding back the sluice position state information terminal in real time; the conversion from single parameter control to multi-feature collaborative decision is realized through multi-dimensional parameter acquisition, the operation parameters of the water gate are accurately controlled by constructing the water gate opening and closing model, the accurate control of the opening degree of the water gate is realized, the model output is more accurate, and the water resource scheduling efficiency is improved.

The utility model provides a box body type farmland water gate. The box body type farmland water gate is characterized by comprising a box body, a mud baffle and a water baffle, a casing pipe is arranged at the bottom of the back of the box body, and grooves are formed in two sides and the bottom of the front; the mudguard is square, the height of the mudguard is approximately equal to the depth of a plough layer and is approximately equal to half of the height of the box body, sleeve grooves are formed in the back surfaces of the two sides of the mudguard, groove openings face inwards, and side plates are arranged outside groove bottoms; the sleeve groove, the side plate and the groove plate extend upwards and are slightly higher than the box body; plate holes which are bilaterally symmetrical are formed in the middle and the lower part of the top of the side plate and are provided with inserting plates; pull rods are arranged above the left and the right, water level holes are vertically arranged on the pull rods, the pull rods are provided with inserting bolts, a handle is arranged at the top end of each pull rod, and the handles are slightly higher than the sleeve grooves; the side plates of the fender are sleeved with the grooves, and the two sides of the water fender and the pull rod are sleeved with the sleeve grooves. After the water gate is sleeved with a deep water pipe, surface irrigation and drainage and deep irrigation and drainage can be carried out on a farmland, and the water level of the farmland is convenient to adjust.

This utility model relates to the field of water conservancy engineering technology, and provides a composite geopolymer cement prefabricated component for marine sluice gates, solving the problems of long construction processes and high costs in existing sluice gate construction. This utility model includes a base layer with an internal support frame; several embedded parts, each embedded part located at the edge of the base layer, each embedded part including an embedding section and a connecting section, one end of the embedding section extending into the base layer, and the other end extending out of the base layer and connecting to the connecting section; a support tube, with a support tube sleeved on the outside of each embedded section; and wax blocks, placed inside the support tube, with wax blocks located on both sides of each embedded section. The embedded parts are used for connecting adjacent prefabricated components, and can be used for the construction of breast walls and working bridges in sluice gate projects, eliminating the construction time of on-site formwork and pouring, shortening construction time, and reducing construction costs.