25086 results about "Water storage" patented technology

The invention discloses a precise irrigation decision analysis method and system based on crop water demand, and particularly relates to the technical field of crop irrigation. A monitoring area is divided, soil humidity sensors with different depths are installed, moisture state data of a root zone are monitored in real time, moisture gradient change characteristics and moisture retention time deviation characteristics are extracted and analyzed, a moisture fluctuation abnormal index is calculated, the moisture fluctuation abnormal index is compared with a threshold value, and the moisture fluctuation abnormal index is calculated. The method comprises the following steps: dividing underground water fluctuation into high, middle and low underground water fluctuation abnormal levels, and taking corresponding irrigation adjustment measures according to different levels of fluctuation: taking a drainage measure to reduce excessive soil moisture for high-level abnormal fluctuation; crop water demand model parameters are dynamically adjusted through medium-grade fluctuation; a normal irrigation strategy is maintained by low-grade fluctuation, so that negative effects of underground water fluctuation and excessive irrigation on crop root zones and soil structures can be effectively avoided, soil permeability and water storage capacity are maintained, long-term productivity of farmland is guaranteed, and irrigation efficiency and water resource utilization rate are improved.

The present invention provides a construction method suitable for vegetation restoration of a bare rock slope, characterized by comprising the following steps: S1, preparation of a treatment area: before actual construction, preparing an area to be treated using a combination of mechanical and manual means; S2: providing a plant vine climbing net; S3: anchor rod construction: implementing on a rock slope surface with an inclination greater than 75°, wherein the slope surface should be drilled from top to bottom, the depth of the drilling is determined according to properties of the rock, a self-spinning resin anchor rod is fixed in a drilled hole on the slope surface with cement slurry, leaving a small part for hanging a galvanized gabion multidimensional mesh cage; S4: building a plant growth chamber, a gabion retaining wall and a construction system apparatus; S5: filling a matrix; S6: vegetation arrangement: selected dominant plant species must be drought-tolerant, barren-tolerant and fast-growing, and have strong sprouting ability and coverage capacity. The present invention integrates slope protection, intelligent water collection, water storage and drip irrigation apparatuses, matrix improvement, and vegetation arrangement, thereby ensuring the effectiveness of the restoration.

A cleaning apparatus including a robot cleaner including a main body having a lower portion to which a mop is detachably mountable; and a station on which the robot cleaner is placeable, the station including a water storage container configured to store water, a washing chamber configured so that, while the robot cleaner is placed on the station and a mop is mounted to the lower portion of the main body, the mop is washable in the washing chamber, a steam generation device to generate steam using water from the water storage container, a pump configured to pump the water in the water storage container out of the water storage container, a first pipe to guide the water pumped out of the water storage container to the washing chamber, and a second pipe to guide the water pumped out of the water storage container to the steam generation device.

The invention discloses a mass concrete temperature evolution analysis model based on a multi-field coupling model. The mass concrete temperature evolution analysis model comprises the following steps: S1, establishing a concrete hydration field model containing temperature and relative humidity correction; s2, establishing a temperature field model containing common characterization of concrete matching, hydration degree and relative humidity; s3, establishing a humidity field model for correcting an early concrete water storage function and a humidity transmission coefficient based on the hydration degree; s4, establishing a water cooling model coupled with the concrete temperature field based on the non-isothermal pipeline flow; and S5, establishing an early concrete temperature rise analysis model based on hydration-heat-wet-water cooling coupling based on a finite element method. According to the method, environmental factors, material factors, construction factors and maintenance factors in the concrete hydration process are fully combined, the application scene is more comprehensive, and the accuracy is higher.

The invention discloses a classified processing pit-pond water storage amount remote sensing statistics joint estimation method, and relates to the technical field of water resource remote sensing monitoring, and the method comprises the steps: calculating the pit-pond density, and determining the grid width; calculating a normalized water body index, and extracting a pond water surface boundary; dividing the pit pond into an invertible pit pond and a non-invertible pit pond according to the water surface area and width of the pit pond; calculating the water storage amount of the invertible pit-pond by combining the area of the invertible pit-pond; calculating the water storage amount of the non-invertible pit pond by using the relationship between the water surface area of the non-invertible pit pond and the statistical model; and calculating the total water storage amount of the region, and generating a spatial distribution diagram of the water storage amount. According to the method, remote sensing inversion and a statistical model method are used for estimating the water storage amount, targeted processing can be carried out on different types of ponds, remote sensing images are combined with actually measured data, the water depth inversion precision of the invertible ponds can be effectively improved, and therefore a more reliable water storage amount estimation result is provided.

The invention discloses a wind-light-water-storage combined body spot market operation optimization scheduling strategy, and belongs to the technical field of electric power system operation and control. Aiming at the problems of fluctuation of wind-solar power generation and uncertainty of prediction errors, the invention proposes that a wind-solar group is combined with cascade hydropower and an energy storage pump station thereof, and a wind-solar-water storage combination body is constructed to participate in a multi-time-scale power market; by constructing an optimal scheduling model considering the source-price uncertainty, the comprehensive benefit maximization of the complex in the day-ahead market, the real-time market and the medium-and-long-term contract decomposition is realized; an information gap decision theory and a conditional value-at-risk method are adopted to ensure that the joint profit can still be ensured when the wind and light prediction error is expanded; meanwhile, profits are distributed fairly through a Shapley method, and the benefits of all subjects are improved; and the market competitiveness and executive force of wind and light power generation are effectively improved, the absorption and utilization of new energy are promoted, the flexibility and toughness of the system are high, and powerful support is provided for constructing a green, low-carbon and efficient modern energy system.

The invention discloses a tunnel type underground gas storage combined with temperature control, belongs to the technical field of compressed air energy storage, and can solve the problems that the cost of temperature control measures in an existing gas storage is high, and maintenance is difficult. The gas storage comprises a lining; the sealing structure covers the inner wall surface of the lining; the breathable heat conduction structure sleeves the inner side of the sealing structure; an annular cavity is formed between the sealing structure and the breathable heat conduction structure; the annular partition pieces are sequentially arranged in the annular cavity in the axial direction of the gas storage and used for dividing the annular cavity into a first temperature control area and other temperature control areas which are sequentially arranged, and the simulated operation temperature of each temperature control area is sequentially increased from the first temperature control area; a water storage bag is arranged in each temperature control area; and the water circulation structure is arranged on the outer side of the gas storage, communicates with each water storage bag and is used for forming a circulation water path with the water storage bags. The method is used for temperature control of the tunnel type underground gas storage.

The invention discloses a regional water supply emergency scheduling method and system. The method comprises the following steps: fusing GIS and IoT data to construct a dynamic three-dimensional topology model; historical water consumption and meteorological data are decomposed through wavelet multi-scale decomposition, and a prediction model is input to obtain a water consumption prediction value of a scheduling day period; on the basis of reservoir water storage, flow, water quality, rainfall and pollution source data collected in real time, a flow-water quality coupling model is used for predicting the reservoir inflow and water quality of a dispatching day; the method comprises the following steps: establishing a multi-objective function by combining water consumption prediction, storage prediction and current water storage, embedding a water quality constrained multi-objective optimization model, and solving by adopting an NSGA-II algorithm to obtain a Pareto optimal scheduling scheme set; and finally, a scheme is selected to be issued and executed. According to the method, data-physical collaborative intelligent scheduling decision is realized, the water supply demand is met under the condition that the water supply quality is stable, the condition of water shortage of the user terminal is avoided, and the water quality of the user terminal can continuously reach the standard.

The invention relates to the technical field of power system operation and control, in particular to a medium-and-long-term marketization operation bidding strategy for a wind-light-water-storage combination. Aiming at the problems of volatility, large prediction error, limited profit space and the like of wind and light power generation in the medium-and-long-term power market, the invention proposes that wind and light power generation and cascade hydropower are combined to participate in medium-and-long-term market bidding transaction together; wind and light power generation is encouraged to fully participate in the market by introducing a carbon transaction and green certificate transaction mechanism, and a double-layer optimization model is constructed by considering the influence of current market electricity price fluctuation; the upper layer is a combination quantity report and quotation decision-making model, and the lower layer is a market clearing model so as to realize combination market expected total revenue maximization and social welfare maximization; the strategy significantly improves the medium and long term contract competitiveness and profit space of the wind and light new energy, promotes the consumption of the new energy, and has good environmental benefits and economic benefits.

A river-lake system ecological scheduling method coupled with basin hydrological response belongs to the field of reservoir ecological scheduling, and comprises the following steps: firstly, selecting a research area to represent a hydrological station, and drawing a basin hydrological evolution topological graph; secondly, constructing a watershed hydrological response model step by step, and simulating a response process of lake hydrological situation to upstream reservoir drainage; thirdly, putting forward an ecological evaluation index, and quantifying lake hydrological-ecological response; 4, constructing a multi-objective optimization scheduling model of the river-lake system; 5, optimizing the multi-objective optimization scheduling model of the river-lake system; and finally, based on a fuzzy optimization method, recommending an optimal reservoir scheduling rule conforming to decision preference. According to the method, the beneficial benefits such as power generation and water supply of the reservoir are guaranteed, the adverse effect of concentrated water storage of the upstream reservoir on the ecology of the downstream lake can be weakened to the maximum extent, the reservoir scheduling rule with the maximum comprehensive benefits is recommended, and scientific scheduling basis and decision support are provided for green development of a river-lake system.

A water flosser includes a shell, a pumping assembly and an oral rinse capsule. A water storage chamber and a liquid outlet communicated to the water storage chamber are provided inside the shell, and the liquid outlet is located at a bottom of the water storage chamber. The pumping assembly is arranged in the shell. A pumping port of the pumping assembly extends to a position, close to the liquid outlet, at the bottom of the water storage chamber. The pumping assembly is configured to pump liquid and spray the liquid out along a nozzle. An oral rinse accommodating chamber is provided in the oral rinse capsule. The oral rinse capsule is arranged at a bottom of the shell. The oral rinse accommodating chamber is communicated to the liquid outlet.

Provided is a cleaner, including a sprayer, a switching assembly, a water storage assembly, a conveying assembly, and a housing. Because the switching assembly movably connected to the housing is arranged and the sprayer is fixedly connected to the switching assembly, a position and an angle of the sprayer can be adjusted by moving the switching assembly, such that the use convenience is brought for a user, and a storage groove does not need to be formed, making the cleaner more attractive.

The invention discloses a multi-source data-combined pit-pond water depth calculation and storage capacity calculation method, which comprises the following steps of: acquiring actually measured water depth data, performing data preprocessing, and dividing the data into a training sample point set and a test sample point set; acquiring a multispectral remote sensing image of the reckoning area, and executing image preprocessing; unifying to the same coordinate system; fractal dimensions of each wave band and the combined wave band are calculated, and a water body region is segmented; establishing a mapping relation between the water depth values of the training sample points and the standardized multispectral apparent reflectance; establishing a water depth inversion model, and verifying the water depth inversion model by using the test sample point set; calculating discrete water depth points of the pit pond by using the optimal water depth inversion model; and establishing a minimum energy curved surface to obtain the water storage amount of a single pit pond, and accumulating to generate the total water storage amount. According to the method, actual measurement and remote sensing data are fused, the energy minimization water depth inversion model is constructed, accurate calculation of the water storage capacity of the pit pond is achieved, and the method has the advantages of being high in precision and high in applicability.

The invention discloses an agricultural and pastoral area water network regulation and storage project scale determination method and system. The method comprises the following steps: collecting historical data of an agricultural and pastoral area, dividing the agricultural and pastoral area into a plurality of secondary sub-areas, respectively calculating the water demand and available water consumption of each secondary sub-area, and identifying a water shortage time period and a water shortage area; constructing a regulation and storage project layout scheme set, and calculating the regulation and storage capacity and project parameters of each regulation and storage project; constructing a single-target optimization model, simulating a regulation and storage result of each regulation and storage project layout scheme, evaluating each regulation and storage project layout scheme, and screening out an optimal regulation and storage project layout scheme; and constructing an irrigation scheduling optimization model based on the optimal regulation and storage project layout scheme, solving the model to dynamically optimize and adjust the water storage time, the water discharge time and the water discharge amount of the regulation and storage project, and generating an agricultural and pastoral area water network regulation and storage project layout scheme. The water resource utilization efficiency of agricultural and pastoral areas is improved, the water resource supply and demand contradiction is relieved, and sustainable development of agriculture and animal husbandry and ecological environment improvement are promoted.

The invention discloses a drainage basin runoff forecasting method fusing an attention mechanism and a physical recurrent neural network, and the method comprises the steps: collecting historical hydrometeorological data and geographic attribute data of a research drainage basin, selecting a daily scale hydrological model, and determining the intermediate flux and state variables of the model; a PRNN circulation network structure with physical mechanism constraints is constructed, a time sequence attention mechanism is introduced into the structure, and relative contribution weights of different water storage state variables to runoff simulation are dynamically estimated; simulating and generating internal physical parameters of the model by taking hydro-meteorological driving factors and drainage basin geographic attributes as input, and carrying out collaborative optimization on the parameters in combination with an attention weight and a back propagation mechanism of a target function; and carrying out drainage basin runoff forecasting based on the trained coupled PRNN model. According to the method, the physical consistency and hydrological process characterization capability of the model are enhanced, and the interpretability and stability of the machine learning model in drainage basin runoff forecasting are effectively improved.

The indoor ornamental sympodial bamboo root control directional cultivation device comprises a fixing cylinder with an opening in the upper end, a plurality of ventilation grooves are inwards formed in the upper end and the lower end of the outer wall of the fixing cylinder, a partition plate is arranged at the position, close to the bottom, of the inner wall of the fixing cylinder, and the lower end of the partition plate and the bottom of the fixing cylinder are matched to form a water storage cavity; a plurality of through holes are inwards formed in the edge of the upper end of the outer wall of the partition plate, a planting barrel is detachably connected to the position, above the partition plate, in the fixed barrel, a limiting ring is arranged at the upper end of the outer wall of the planting barrel, a plurality of air holes distributed in an array mode are inwards formed in the outer wall of the planting barrel, and a plurality of limiting blocks are arranged at the upper end of the inner wall of the fixed barrel. A plurality of absorbent cotton ropes extending out of the upper end of the outer wall of the water storage cavity and extending into the planting cylinder are arranged at the bottom of the inner wall of the water storage cavity. According to the device, the root nesting condition can be avoided when indoor sympodial bamboos are cultivated, operation is easy, and directional growth of root systems can be controlled without frequent manual watering during cultivation.

The invention provides a thermal behavior experiment system and method under a narrow rectangular channel reflooding cooling condition. The system comprises a heating water storage tank, a nitrogen tank, a steam tank, a shield pump, a preheating section, a first direct-current power supply, a second direct-current power supply, a narrow rectangular channel test section, a steam-water separator, a surge tank, a flow control valve, a silencer and an electromagnetic valve. The experimental working medium is deionized water, and re-submerging cooling experiments under different system pressures, working medium supercooling degrees, heating wall surface heat flux densities, working medium submerging speeds, heating wall surface initial temperatures and channel interior initial liquid levels can be carried out on an experimental section of a narrow rectangular channel structure. The device is suitable for narrow rectangular channel structures with different sizes, and can be used for carrying out re-submerging experiments on experiment sections with single-plate double-channel, double-plate three-channel and more channels. The system pressure and the inlet flow in the submerging process can be kept stable, and it can be ensured that the supercooling degree of a working medium, the heating wall surface temperature and the initial liquid level are controllable.

The invention discloses a water storage and drainage system capable of keeping slope stability. The water storage and drainage system comprises a water drainage pipe assembly and an automatic water supplementing assembly. The drainage pipe assembly comprises a plurality of transverse assembly type pipes, a plurality of oblique assembly type pipes and a plurality of plastic capillary pipes, the transverse assembly type pipes and the oblique assembly type pipes are perpendicularly communicated in a staggered mode, and the transverse assembly type pipes are communicated with the plastic capillary pipes at the corresponding positions. A sand cushion layer and a perlite layer are laid on the slope surface of the side slope; the automatic water supplementing assembly comprises a water pumping machine, a plurality of water supplementing pipes and a plurality of wireless temperature and humidity sensors. A water outlet of the water pumping machine is connected with the water supplementing pipes through a water conveying pipeline. The water pumping machine is provided with an intelligent automatic sensing system; the water storage and drainage system capable of keeping the stability of the side slope further comprises a plurality of assembly type concrete sash beams laid on the perlite layer, and the water supplementing pipe is connected with the rotating spray heads. A soil dressing layer used for planting cold-resistant water-retaining vegetation is laid in the planting area of the fabricated concrete sash beam. The water content of the side slope can be effectively adjusted and controlled, so that the stability of the side slope is improved.

The invention discloses a method for estimating the storage capacity of water in a shielded pit-pond, and the method comprises the steps: extracting a pattern spot of a target pit-pond and determining the area of the pattern spot according to a remote sensing image of a target region, and determining the remote sensing extraction water surface area and the remote sensing extraction vegetation area of the target pit-pond; extracting a water surface area at least based on remote sensing, and determining the shielding degree of the target pond; according to the pattern spot area, the pond ridge area, the remote sensing extraction water surface area, the remote sensing extraction vegetation area and the shielding degree, the target pit pond water surface area is determined; extracting an outer edge line based on the pond ridge area; determining the water depth of the target pit pond according to the shielding degree; according to the water depth and the bottom surface range of the target pit pond, determining a pit pond bottom surface water depth model; constructing a pit-pond water depth model by taking the water depth of the outer edge line as zero and the pit-pond bottom surface water depth model as constraint conditions; based on the target pit-pond water surface area and the pit-pond water depth model, the pit-pond water storage amount is determined. According to the invention, the estimation precision of the storage volume of the sheltered pond water can be improved.

The invention provides an eye massage instrument which comprises a shell and an atomization assembly, and the atomization assembly is arranged on the outer side wall of the side, facing the eyes of the human body, of the shell. The atomization assembly comprises a water storage tank, an atomization piece, a plugging piece and a first electric connecting piece. A water storage cavity is formed in the water storage tank, a water injection hole and a water outlet hole are formed in the water storage tank, the plugging piece corresponds to the water injection hole, the atomizing piece corresponds to the water outlet hole, and water in the water storage cavity can reach the atomizing piece through the water outlet hole so that the water can be atomized through the atomizing piece to form steam; an electric control assembly is arranged in the shell, a second electric connecting piece is arranged on the shell wall of the side, facing the eyes of the human body, of the shell, and the electric control assembly is electrically connected with the second electric connecting piece. The atomization assembly is detachably connected with the shell. The eye massage instrument has a steam eye protection function, and the atomization assembly and the shell are detachable, so that the atomization assembly is convenient to clean, and water is convenient to inject into the water storage tank.

The invention discloses a hybrid pumped storage power station seasonal regulation characteristic-considered water-wind-light-storage complementary scheduling method, which relates to the technical field of energy scheduling, and comprises the following steps: additionally building a pump station between built conventional cascade hydropower stations to build a hybrid pumped storage power station which has pumped storage and runoff power generation functions; the hybrid pumped storage power station and the cascade water-wind-light power station are co-constructed to form a water-wind-light-storage complementary system; constructing a water-wind-light-storage complementary long and short term nested scheduling model considering seasonal regulation characteristics of the hybrid pumped storage power station, and taking maximum power generation benefits as a model objective function; based on a dynamic programming successive approximation algorithm, a pumping power generation working condition conversion model is introduced to construct a model solving method; solving the scheduling model through a model solving method, and obtaining a water-wind-light-storage complementary power generation plan of the seasonal regulation characteristics of the hybrid pumped storage power station; and while the short-term peak shifting benefit and the new energy consumption level are improved, the long-term water storage and energy storage effects of abundant storage and dry supplement of the hybrid pumped storage power station are brought into full play.

The utility model relates to a salt cavern sediment gap energy storage simulation experiment device, and belongs to the technical field of salt cavern sediment gap energy storage experiment equipment. The salt cavern sediment gap energy storage simulation experiment device comprises two groups of normal pressure experiment containers, a pressure-resistant experiment container, a gas storage bottle, a water storage tank and a gas-liquid separator, the two groups of normal-pressure experiment containers are connected with each other through a communicating short circuit; the gas storage bottle is connected with a gas-liquid separator through a flow controller A and a gas injection valve A; one end of the gas-liquid separator is connected with the upper ends of the normal-pressure experiment container and the pressure-resistant experiment container through switch valves which are connected in parallel; and the outlet ends of the communicating pup joint and the pressure-resistant experiment container are respectively connected with a liquid phase pipeline through a control valve. The simulation experiment device is compact in structure and ingenious in design, solves the problems that in an existing salt cavern energy storage simulation experiment, an experiment under pressure cannot be carried out, and the experiment function is single, and is particularly suitable for being used in a salt cavern sediment gap energy storage simulation experiment.

A turbine engine for an aircraft. The turbine engine includes a fan, a combustor in a core air flowpath that generates combustion gases, a core shaft, a turbine that receives the combustion gases to rotate the turbine, and a steam system. The steam system extracts water from the combustion gases, vaporizes the water to generate steam, and injects the steam into the core air flowpath. The steam system includes one or more water storage devices that store the water therein. The one or more water storage devices include a first state in which the one or more water storage devices increase or maintain a level of the water as the water flows through the one or more water storage devices, and a second state in which the one or more water storage devices decrease the level of the water in the one or more water storage devices.

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The invention relates to the field of desert water conservation and sand fixation, and in particular to a water conservation and sand fixation device and method for a desert windbreak and sand fixation forest, comprising a conical frame for being buried in a sand pit, wherein a conical inner frame is arranged in the conical frame, and the bottom of the conical inner frame is connected to the conical frame, a certain gap is left between the outer side of the conical frame and the inner wall of the conical frame, a plurality of strip grooves distributed along the extension section of the conical inner frame are provided on the four inner walls of the conical inner frame, and a water storage unit for storing water is arranged on the conical frame, and water is replenished toward the water storage unit through an external water replenishing device, and then the water storage unit will uniformly transfer the water inside the water storage unit to the sand inside the conical inner frame, that is, the roots of the seedlings in the conical inner frame are replenished with water, and then the seedlings are supported by a support unit to prevent them from being skewed, and a winding component cooperates with the support unit to adjust the water supply of the water storage unit through the growth of the seedlings and the change of the outer diameter thereof, so as to avoid the waste of water resources.

The invention provides a watering cart for municipal greening engineering, and belongs to the technical field of municipal greening watering carts. The watering cart for municipal greening engineering comprises a cart body, a water storage tank and a watering mechanism, the water storage tank is mounted on the surface of the cart body, a mounting box is mounted on the surface of the cart body, and the watering mechanism is mounted on the surface of the cart body and comprises a first rotating shaft, a second watering pipe, a water pump and a three-way valve. By arranging the watering mechanism, water output by the water pump can be shunted through a three-way valve, one part of water is atomized, the other part of water is mixed with fertilizer and then sprayed on the surfaces of green plants, the spraying effect is improved, an atomizing nozzle can atomize water into tiny water drops, more uniform water distribution can be achieved through air propagation, and the water content is increased. According to the dust removal device, the water covering range is enlarged, water drop concentration or water waste is avoided, atomized water mist can be combined with dust particles through tiny water drops in air, dust in the air can be settled, and the dust removal function is achieved.

The invention provides an automatic sprinkling irrigation system which comprises a water storage device, the water storage device comprises a water storage piece and a rainwater collection piece, the rainwater collection piece is arranged at the upper end of the water storage piece, the rainwater collection piece is provided with a collection part, and the collection part is communicated with the water storage piece through a flow guide channel; the power supply device is arranged on the water storage device and comprises a photovoltaic panel, the sprinkling irrigation device comprises a water pipe and a nozzle, one end of the water pipe communicates with the water storage device, and the other end of the water pipe communicates with the nozzle; the control device comprises a sensor and a control unit. According to the technical scheme, the underground water storage part and the ground rainwater collection part are combined, rainwater is efficiently collected and stored, and evaporation loss and ground space occupation are reduced. The sprinkling irrigation device is connected with the water storage piece through a water pipe, sprayers can be flexibly arranged according to requirements, and uniform irrigation is achieved. The control device integrates a sensor and a control unit, monitors soil humidity, illumination and other environmental parameters in real time, automatically adjusts an irrigation strategy, ensures timely and appropriate irrigation, and solves the problem of water resource waste.

The invention relates to the field of check valves, and particularly discloses a check valve with impact resistance, which comprises a valve seat, the valve seat is mounted in a pipeline, a control assembly matched with the valve seat is arranged in the pipeline, a friction assembly is arranged on the control assembly, and the friction assembly is connected with the valve seat. The pipeline is provided with a water storage assembly communicated with the friction assembly, and the water storage assembly is provided with an extrusion assembly used for pressurization. According to the invention, the water flow control capability can be realized, the slow closing function of the control assembly can be realized when the liquid is suddenly stopped, the phenomenon that the water flow is suddenly stopped can be reduced, when the water hammer effect is generated, the backflow water can be dispersed in time, the water flow impact force can be reduced, the water flow storage buffer effect can be realized, and the water flow impact can be further reduced; therefore, impact force of water flow on the pipeline, the valve seat and the control assembly is greatly reduced, abrasion is slowed down, safe and stable operation of a pipeline system is guaranteed, stability of the system is improved, and the service life of the system is prolonged.

The utility model provides hydrogen-rich water production equipment which comprises a purification module, a water storage module, a water supply module and a water supply module, wherein a water inlet of the purification module is used for communicating with a water supply device; a water inlet of the hydrogen-rich module is communicated with a water outlet of the purification module; a water inlet of the hydrogen mixing module is communicated with a water outlet of the purification module, and a gas inlet of the hydrogen mixing module is communicated with a hydrogen outlet of the hydrogen-rich module; the control device is communicated with the purification module, the hydrogen enrichment module and the hydrogen mixing module; the water boiling device is used for being communicated with the water outlet of the hydrogen mixing module under the control of the control device, and the water boiling device is used for heating the hydrogen-rich water output by the hydrogen mixing module; the hydrogen and oxygen absorption device is provided with a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port is used for being communicated with the hydrogen outlet of the hydrogen enrichment module under the control of the control device, and the oxygen absorption port is used for being communicated with the oxygen outlet of the hydrogen enrichment module under the control of the control device. The hydrogen-rich water supply function, the hot water supply function, the hydrogen absorption function and the oxygen absorption function are integrated.

A cascade reservoir optimization dynamic control method based on different scheduling objectives of flood season staging comprises the following steps: step 1, performing flood season staging on a cascade reservoir based on rainstorm flood characteristics, and establishing a pre / main flood season'flood control-power generation 'and post flood season'flood control-water storage' optimization scheduling model; step 2, constructing a cascade reservoir dynamic control domain; step 3, based on the flood season staging result in the step 1 and the cascade reservoir dynamic control domain constructed in the step 2, constructing an optimization model taking the maximum cascade generating capacity and the minimum flood control risk as targets; setting constraint conditions of the optimization model; and solving the optimization model through a multi-target intelligent optimization algorithm to obtain a dynamic scheduling scheme. According to the method, optimal scheduling methods such as flood season staging and'aggregation-decomposition 'are adopted, flood control risks of drainage basin reservoir group scheduling are fully considered, and efficient utilization of cascade reservoir water resources is realized by utilizing a cascade reservoir flood control capacity complementation mechanism.