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42 results about "Water energy" patented technology

Water energy is energy derived from the power of water, most often its motion. Energy sources using water have been around for thousands of years in the form of water clocks and waterwheels. A more recent innovation has been hydroelectricity, or the electricity produced by the flow of water over dams.

A device for converting the kinetic energy of a natural watercourse, especially a river, into mechanical energy and its conversion into electricity

A water energy conversion device comprises a water damming assembly provided in a watercourse (6, figure 19) (e.g. river) and comprising a rectangular support frame 1 provided with a sheet metal shutt
Owner:BARTLOMIEJ BLACHA

A three-source coupled and coordinated power generation device based on water, gravity, and kinetic energy

PendingCN122129377ASpring motorMachines/enginesWater storage tankClean energy
This invention relates to the field of clean energy power generation technology, and proposes a three-source coupled synergistic power generation device based on hydropower, gravity, and kinetic energy. The device includes a water storage tank, a wheel, an upper water tank, an upper water baffle, a closed-loop water tank pump system, a main shaft, counterweight grooves, counterweight blocks, high-pressure spherical bearings, buffer springs, and a dual-start transmission power generation assembly. The wheel diameter is unlimited and can be arbitrarily enlarged according to actual power demand. The wheel size is directly proportional to the output torque and power generation. The upper water tank is circularly arranged on the wheel. The closed-loop water tank pump system is installed on the upper side of the water storage tank. Multiple counterweight grooves are arranged in a circular array on both sides of the top water tank of the wheel. Multiple high-pressure spherical bearings are respectively installed at the bottom of each counterweight block. Multiple buffer springs are symmetrically installed on the upper and lower sides of each counterweight groove. This technical solution solves the problems of limited power output, single starting method, low energy conversion efficiency, and inability to operate with zero carbon emissions in traditional power generation equipment.
Owner:左清岗

A switching device

This utility model discloses a switching device, including a voltage comparison module electrically connected to an induction amplifier module, a water pump, and a power supply component. The power supply component supplies power to the power supply component, voltage comparison module, induction amplifier module, and water pump. The induction amplifier module senses the alternating electric field of the outdoor unit of the air conditioner and generates induced current and voltage. The voltage comparison module receives the signal from the induction amplifier module and controls the start and stop of the water pump. The beneficial effects of this utility model are that the induction amplifier module can determine whether the outdoor unit of the air conditioner is powered on and transmits the induced electrical signal to the voltage comparison module. The voltage comparison module compares the received signal voltage with a reference voltage to determine whether to supply power to the water pump. Furthermore, an alarm component can determine whether the water pump has malfunctioned and provide a buzzer warning. This device can automatically add or stop water supply based on the start and stop status of the outdoor unit of the air conditioner, thereby saving energy and water resources.
Owner:XUZHOU SPACE TIME THOUGHT INTELLIGENT TECH CO LTD

Water-energy coupled water resource planning method, device, equipment and medium

This invention discloses a water-energy coupled water resources planning method, apparatus, equipment, and medium. The method includes: collecting and processing historical index values ​​corresponding to water demand prediction for each water-using sector to obtain the upper and lower limits of each index for the planning year, and inputting them into a trained water demand prediction model to obtain the water demand interval prediction results for each water-using sector; collecting and preprocessing historical water resource availability and energy availability data; constructing a water-energy system coupling risk analysis model based on the Copula function to quantitatively analyze the coupling risk of the water-energy system, and setting four coupling risk scenarios: low, medium-low, medium-high, and high; constructing a multi-objective interval stochastic chance constrained programming model, which is decomposed into two deterministic sub-models; solving the two deterministic sub-models using a hybrid intelligent algorithm, and integrating the solution results to obtain and output the regional water resources optimization allocation results adapted to the four risk scenarios of low, medium-low, medium-high, and high.
Owner:GUANGDONG UNIV OF TECH

Circulating water energy efficiency conversion device

The utility model belongs to the field of energy and power engineering, and particularly relates to a circulating water energy efficiency conversion device which comprises an energy efficiency conversion pipeline body, a waterproof shell is fixedly installed on one side of the energy efficiency conversion pipeline body, a transmission hole is formed in one side of the energy efficiency conversion pipeline body, and a sealing rubber ring is fixedly installed on the inner side of the transmission hole. A transmission shaft is rotationally mounted on the inner side of the sealing rubber ring; the transmission shaft is fixedly sleeved with a hollow rotating disc, and six guide grooves are formed in one side of the hollow rotating disc. The positions of the blades can be adjusted by observing the flow of circulating water in a pipeline, when the flow of the circulating water fluctuates, the radial positions of the blades are adjusted to change the flow receiving area, it is ensured that the blades efficiently capture water flow energy, overload when the flow is too large or sudden reduction of efficiency when the flow is too small is avoided, and the output power of the device can be rapidly changed. Stable transition is achieved, and equipment is protected against impact.
Owner:SHANGHAI YUNXIANG ENVIRONMENTAL PROTECTION TECH CO LTD

A reinforcement device for bridge piers to resist erosion

ActiveCN224431226UWater flowPier
This utility model belongs to the field of bridge pier safety protection and discloses a reinforcement device for bridge piers to resist erosion. It includes a permeable protective barrel, which is fitted around the bridge pier to form an annular cavity. The cavity is filled with a filler material tightly adhering to the outer wall of the bridge pier. The top of the permeable protective barrel is sealed with a concrete cover. The protective barrel is composed of multiple vertically spliced ​​prefabricated sections, each with multiple circumferential openings on its sidewalls. These openings allow water flow to partially penetrate rather than directly impact the bridge pier, effectively dispersing water energy and slowing down the downstream water flow velocity, thereby inhibiting sediment initiation and localized erosion. The filler material fits tightly against the bridge pier, providing lateral support and reinforcement, enhancing the overall stability of the bridge pier. The concrete cover and prefabricated section structure ensure the device's airtightness and modular convenience, facilitating construction, installation, and subsequent maintenance. This device can simultaneously achieve the dual goals of erosion prevention and bridge pier reinforcement, significantly improving the durability and safety performance of the bridge pier and avoiding the limitations of existing technologies with only single functions.
Owner:CHANGAN UNIV

A tailrace channel for hydropower stations that can increase power generation

ActiveCN121473296BGear wheelHydropower
This invention discloses a tailrace channel for hydropower stations that can improve power generation, belonging to the field of hydropower engineering technology. It includes a channel, flow-disrupting piers, a water collection component, a screening unit, and a conversion component. Cofferdams are set at both ends of the channel to form water storage sections, and the tail end has a 1-meter drop from the river channel. Flow-disrupting piers guide the water flow into the water collection component, which uses the Venturi effect to accelerate the water flow and impact the impeller rotation. The conversion component converts the impeller rotation into reciprocating linear motion through a crank-connecting rod mechanism, and then converts it into unidirectional continuous rotation to drive the generator to generate electricity through a gear rack and overrunning clutch. The screening unit automatically filters and cleans debris. This invention can transform the tailrace channel into a secondary energy recovery system, recovering and utilizing the residual kinetic and potential energy still carried by the tailwater for regeneration, realizing the cascade utilization of hydropower resources, and increasing economic benefits without increasing the load on the upstream reservoir or the losses of the main generator units.
Owner:DATANG SICHUAN CHUANBEI ELECTRIC POWER DEV CO LTD

A set of multiple wind or hydro turbine modules, each having a polygonal structure of five to nine sides

PendingFR3169944A3Working fluid for enginesRenewable energy generationHydro energyClassical mechanics
The present invention relates to a modular individual polygonal module grouping device of 5 to 9 sides (100) of wind or hydro energy comprising a wind or hydro block (10) with vertical axis and a cage (20) having the form of a right prism with polygonal base of 5 to 9 sides, in which said two bases (21a, 21b) are connected to each other at the level of their respective vertices (23a, 23b) by uprights (24) arranged so that each face (22) forms a panel open in its center for a passage of air through said face (22);and wherein said block (10) comprises a stage formed (11) by lower (12a) and upper (12b) plates that are superimposed in pairs, said plates (12a, 12b) being circular in shape, parallel to each other, and connected rigidly by blades (13), said block (10) being mounted for rotation inside said cage (20) such that the fluid exerts a stress on each of the blades (13) causing said block (10) to rotate about itself. Abbreviated figure: Figure 1;
Owner:MALFAIT BRUNO

Rotary power generation device

A rotary power generation device, comprising a rotating platform (1) and power generation assemblies (2). There are a plurality of power generation assemblies (2), and the power generation assemblies are uniformly arranged on the rotating platform (1). Each power generation assembly (2) comprises a generator (21), a transmission (22), a pendulum rod (23), and a pendulum bob (24); the pendulum bob (24) is connected at a right angle to an input shaft of the transmission (22) by means of the pendulum rod (23); an output shaft of the transmission (22) is connected to a rotor shaft of the generator (21); and once the rotating platform (1) rotates, the pendulum bob (24) swings under the action of gravity and a centrifugal force generated by the rotation of the rotating platform (1), and drives, by means of the pendulum rod (23) and the transmission (22), a rotor of the generator (21) to rotate to generate electricity. The device has high flexibility and adaptability, and can be adapted to different external power sources to effectively convert various external energy sources, such as wind energy, hydraulic energy, and mechanical energy, into electric energy, thereby realizing the diversified utilization of the energy sources and significantly improving the power generation efficiency.
Owner:SHIJIAZHUANG JIANMU FEED CO LTD

Electric water heater

ActiveCN224398024UIncrease the frequency of heatingReduce heating frequencyFluid heatersHeat storage plantsThermodynamicsHeater Rod
The utility model discloses an electric water heater, including phase change gall and water gall, be provided with heating rod in water gall, and heating rod is used for heating the water in water gall, the phase change gall has the phase change material for heat storage and heat release, and the phase change gall still includes the heat exchange pipe who communicates with water gall, and the water that flows through heat exchange pipe can absorb heat from phase change material, can also release heat to phase change material, in the height direction of phase change gall, along the flow direction of water, at least partial heat exchange pipe is arranged from top to bottom, and the electric water heater still includes the circulation pipe who communicates water gall and heat exchange pipe, when heating rod works, and the hot water in water gall can circulate and flow between heat exchange pipe and water gall through circulation pipe. The electric water heater provided in the application embodiment can simplify the structure and manufacturing process of electric water heater, reduce manufacturing cost and use cost, realize efficient energy storage simultaneously, in addition, can also maintain the better heat exchange effect in the long term in the use process.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

A multi-energy complementary collection device

ActiveCN224319273UPV power plantsDrinking water installationThermodynamicsWind energy conversion
The utility model relates to multi -energy complementary technical field especially a kind of multi -energy complementary collection device, comprising: collection box;Battery is set in the inside of the collection box, for storing electric energy;Solar photovoltaic panel is set in the surface both sides of the collection box, and with the battery electricity is connected, for converting solar energy into electric energy;Wind power generation component is set in the top edge of the collection box, and with the battery electricity is connected, for converting wind energy into electric energy;Hydraulic conversion device is set in the inside of the collection box, for converting water energy into electric energy. Through hydraulic conversion device, first rainwater is collected, reaches specified measurement, utilizes the kinetic energy generated by rainwater to generate electricity, realizes the collection of energy in windless rainy day, ensures the normal use of multi -energy complementary collection device, improves the collection range of collection device.
Owner:LIAONING SUNENG TECH CO LTD

A portable agricultural spraying device

This utility model relates to the field of agricultural spraying machinery technology, specifically a portable agricultural spraying device, including a water storage tank. A water inlet pipe is fixedly connected to the outer surface of the water storage tank. A recycling mechanism is located above the water storage tank, a conveying mechanism is located above the recycling mechanism, and an adjusting mechanism is located above the water storage tank. The recycling mechanism includes a movable top cover movably connected to the upper surface of the water storage tank. A fixed top plate is located above the movable top cover, and an annular mesh plate is fixedly connected to the outer surface of the fixed top plate. By incorporating the recycling mechanism, this utility model allows the annular mesh plate to filter rainwater during spraying operations, enabling rainwater recycling and reducing water energy consumption during spraying. Simultaneously, the angled arrangement of the annular mesh plate prevents clogging, improving the energy efficiency and safety of the device.
Owner:ANHUI HUOSHAN DENDROBIUM HUALANG DEV CO LTD

A booster for realizing zero-carbon pressure boosting water supply by utilizing pipe network residual pressure cooperation transmission

This invention discloses a booster for zero-carbon pressurized water supply that utilizes residual pressure in a municipal water supply network. The booster comprises two symmetrically arranged inlet pipes, each with one inlet and two outlets: an inlet for water from the municipal water supply network, an outlet to a low-level water tank (pool), and an outlet to the user. It also includes two symmetrically arranged cavities, each divided into four chambers (A, B, C, and D) by a partition. A horizontally movable linkage rod is mounted within each chamber and fixedly connected to the partition. A key on the linkage rod triggers a reversing mechanism through its reciprocating motion, enabling automatic hydraulic switching between connecting to the municipal water supply network and discharging water to the water tank. This invention primarily utilizes residual pressure from the municipal water supply network to collaboratively drive the dual-cavity diaphragm to reciprocate left and right, achieving water energy utilization: a portion of the water is pressurized and supplied to residential users, while the remaining low-pressure water is stored in a secondary water supply tank (pool).
Owner:ZHEJIANG SCI-TECH UNIV +1

Modular water energy storage multi-source coupled heating system

The utility model relates to the technical field of heat supply, concretely relates to a modular water energy storage multi-source coupling heat supply system, in the application, through the coupling of multiple clean energy and industrial waste heat of multiple energy input modules, the traditional fossil energy is replaced, the carbon emission is reduced obviously, the heat storage is carried out by combining water energy storage module and using cheap electricity in valley period, peak load shifting is realized, the heat source installation capacity and system operation cost are greatly reduced, the effects of energy saving and cost reduction, green and environmental protection are reached. Through the real-time monitoring of indoor temperature sensor to indoor temperature, and with wisdom heat supply platform forms closed loop control, realizes the change from "timely heating" to "on-demand heating", can accurately satisfy user demand, prevents the energy waste caused by excessive heat supply.
Owner:牛永胜

Water conservancy sluice sand flushing structure and dredging method thereof

PendingCN122304340ASludgeOutfall
This invention relates to the technical field of water conservancy engineering, and in particular to a sluice gate sand flushing structure and its dredging method for water conservancy engineering. It includes a gate inlet pipe, a gate pipe fixedly connected to the right side of the gate inlet pipe, a sluice gate located on the right side of the inner cavity of the gate pipe, a central control pipe fixedly connected to the right side of the gate pipe, a mud leakage pipe fixedly connected to the right side of the central control pipe, a filter pipe fixedly connected to the right side of the mud leakage pipe, and a water outlet fixedly connected to the right side of the filter pipe. This method achieves self-driven dredging using water energy, eliminating the need for an external power source and effectively preventing silt deposition and clogging on the filter screen surface. A spring assembly ensures that the cleaning blades and filter screen maintain elastic contact, preventing the cleaning blades from directly scraping the filter screen surface. A triangular plate generates a periodic striking effect, further improving the anti-jamming function during the dredging process. The rotation of the annular ring simultaneously drives the dispersing gear to rotate, collecting the silt through a collection plate and collection trough, preventing large pieces of silt from clogging the sludge discharge channel.
Owner:YANGZHOU HENGYANG ELECTROMECHANICAL MFG CO LTD

Energy-saving device for industrial circulating water

ActiveCN224415492Ueasy to controlAvoid frequent controlsCooling towerProcess engineering
The utility model discloses an industrial circulating water energy -conserving device, include: cooling tower, cooling tower fan, water collecting pool, multiple temperature sensor, circulating water pipeline and controller, the cooling tower is equipped with the water inlet, the cooling tower fan sets up the cooling tower top, the cooling tower fan is suitable for the circulating water ventilation cooling in cooling tower, the water collecting pool sets up the cooling tower bottom, the water collecting pool is suitable for the collection and storage after cooling tower circulating water of cooling tower cooling fan, temperature sensor is along the height direction interval and is arranged in the water collecting pool, the circulating water pipeline includes water supply pipeline and backwater pipeline, water supply pipeline one end with water collecting pool intercommunication, the other end with the cooling water import intercommunication of external heat exchange equipment, backwater pipeline one end with the cooling water export intercommunication of external heat exchange equipment, the utility model discloses can through the accurate reflection water collecting pool temperature, realizes circulating water cooling energy -conserving.
Owner:CHANGZHOU ZHONGLIANG ENVIRONMENTAL PROTECTION TECH CO LTD

Bridge cushion stone winter maintenance device

The utility model discloses a bridge padstone winter maintenance device, including water energy maintenance film, the top of water energy maintenance film covers the intermediate flexible maintenance pad, and both sides of intermediate flexible maintenance pad are connected with side maintenance board. The utility model uses, and the rigid support is provided to the square tube framework fixed in the side maintenance board, so that the side maintenance board is not easy to deform, and through the fixed screw hole of corresponding square tube framework on the side maintenance board, can utilize bolt and install fixed or dismantle with the side maintenance board and bridge padstone, guarantees the maintenance process, and the device is not easy to loosen, and, the electric blanket of the top end in the side maintenance board inside is electrified and generates heat, and the heat is generated, and through the heat preservation effect of high density rubber sponge that the outer wall of side maintenance board is wrapped and the sealing effect of elastic cotton of the bottom end in the side maintenance board inside, the temperature in padstone maintenance device starts to rise, can provide the active heating source to bridge padstone, realizes the effect of efficient maintenance.
Owner:CHINA RAILWAY 11TH BUREAU GRP CORP LTD +2

Electric water heater

The utility model discloses an electric water heater, including water bladder, phase change bladder, water supply line and circulating pipeline, and phase change bladder includes heat exchanger, and circulating pipeline is used to communicate the water bladder and heat exchanger, and one side of water supply line can be communicated with water source, and the switch device is provided on circulating pipeline, and the switch device has first state and second state, when the switch device is in first state, the water in water bladder can circulate and flow between water bladder and heat exchanger, when the switch device is in second state, the water in water bladder can not circulate and flow between water bladder and heat exchanger, and the water in water supply line can flow into heat exchanger, water bladder in proper order, or, can flow into water bladder, heat exchanger in proper order. The electric water heater provided in the application embodiment, through the reasonable and ingenious waterway design, can not only guarantee efficient energy storage, but also can realize stable and comfortable water supply to the water terminal.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

A circulating water cooling structure of a nitrogen production system

The utility model belongs to the circulating water cooling structure of nitrogen making system in the technical field of nitrogen making system. The closed pool (9) is provided with gasifier (5), is provided with first overpressure discharge valve (6) on closed pool (9), the import of gasifier (5) is connected with liquid nitrogen storage tank (8) through conveying pipeline (4), is provided with second overpressure discharge valve (3) on conveying pipeline (4), the outlet of gasifier (5) is connected with gas pipeline (10), is provided with overpressure discharge pipeline (11) on gasifier (5), is provided with third overpressure discharge valve (7) on overpressure discharge pipeline (11). The circulating water cooling structure of nitrogen making system, simple structure, avoid liquid nitrogen storage tank long time full tank to cause liquid nitrogen evacuation waste, liquid nitrogen overpressure discharge process realizes circulating water cooling, realizes liquid nitrogen resource recycling, and no longer needs heat exchange tower to radiate to circulating water, saves electric energy and water energy.
Owner:XINYI GLASS WUHU

Water energy recovery system as well as computer program product and use

ActiveDE202026102154U1Machines/enginesEngine componentsWater MovementsEnergy recovery
Water energy recovery system (100) configured for temporarily buffering / storing kinetic energy of water (1) held in a preferably rotationally symmetric basin (10) of the system (100), wherein the system (100) is coupled to an energy network (3) and is configured to set the water in motion in a first time window (t1) by means of energy input in the basin, in particular by means of at least one pump / conveyor device (13) and / or by means of a rotor (15) of the system (100), and in a subsequent second time window (t2) to convert the generated kinetic energy of the water held in the basin to recover energy and optionally also to feed the recovered energy back into the energy network (3) or at least into a / the system's own energy storage device (40);characterized in that the system (100) is configured to recover energy by means of at least one rotor (15) of the system which is immersible in the moving water within a water volume (11) provided for this purpose in the basin (10) and / or which can be switched on in a torque / load-reducing manner and which is coupled / coupled to an energy generator unit (17) of the system (100) configured for conversion into electrical energy.
Owner:RB PRÜFANLAGEN & APPARATEBAU GMBH

Water conservancy hub system operation method based on pumped compressed air energy storage

This application relates to the field of new energy technology, and in particular to an operation method for a water conservancy hub system based on pumped-storage compressed air energy storage. The method includes: sequentially injecting treated air of a first target state into the first and second compression-side water-air co-containment chambers of the water conservancy hub; while injecting air into the second compression-side water-air co-containment chamber, emptying the air from the first compression-side water-air co-containment chamber and injecting water to complete pressurized water energy storage; injecting water into the first and second expansion-side water-air co-containment chambers, and sequentially using the high-pressure air expansion within the chambers to generate electricity; while generating electricity in the second expansion-side water-air co-containment chamber, discharging water from the first expansion-side water-air co-containment chamber to complete drainage energy release. Based on the above-mentioned pressurized water energy storage and drainage energy release operations, the water conservancy hub system can be controlled for target economic operation. This solves the problems of long construction cycles and high costs in related technologies for pumped-storage water conservancy hub systems, which only focus on the storage and regulation of electrical energy and cannot adapt to the diversified supply demands of integrated energy services.
Owner:TSINGHUA UNIVERSITY

A water-cycle power generation system

This utility model relates to the field of power generation technology and discloses a water-circulating power generation system, comprising: a lower reservoir and an upper reservoir, the lower reservoir and the upper reservoir being connected by a power generation pipeline, so that water in the upper reservoir flows into the lower reservoir through the power generation pipeline, and the power generation pipeline is equipped with a conversion unit that converts water potential energy into electrical energy; a water lifting unit, disposed between the lower reservoir and the upper reservoir, for lifting water in the lower reservoir to the upper reservoir; and a drive unit, connected to the water lifting unit, for driving the water lifting unit to operate, thereby lifting water in the lower reservoir to the upper reservoir. This utility model can rely less on natural hydropower resources, and at the same time, the torque amplification module can reduce the power consumption of the drive motor, achieving the function of lifting large-mass objects with low power. Furthermore, this utility model has the characteristics of not requiring fuel combustion and being clean and environmentally friendly.
Owner:SHIZHU TUJIA AUTONOMOUS COUNTY HONGYUAN BUILDING MATERIALS CO LTD

System apparatus and method suitable for capturing water energy

An apparatus, system and method to capture water power from head or pressure is provided utilizing pipes, inlets and outlets. The apparatus comprises a central bore having an internal diameter suitable for a fluid flow, the fluid flow moves inside the central bore through the apparatus, and at least one outlet, the fluid flow exits the apparatus through the at least one outlet, optionally, a plurality of inlets for flowing additional fluid to the central bore mix the fluid flow with the additional fluid from the plurality of inlets. The apparatus can further mix the fluid though additional mixing devices and additional devices can be used to recapture energy such as, hydroelectric power from the fluid flow. The system and method can capture water energy from the fluid flow.
Owner:KATZ WATER TECH LLC

A circulating water energy recovery device

ActiveCN224452956UTurbine bladeWater flow
This utility model relates to the field of circulating water utilization technology and discloses a circulating water energy recovery device, including a circulating water channel. A mounting frame is fixedly installed on the right end of the upper surface of the circulating water channel, and a baffle is fixedly installed on the inner wall of the circulating water channel. Two turbines are fixedly installed at the front end of the inner wall of the circulating water channel. An auxiliary mechanism is set on the circulating water channel, and the auxiliary mechanism includes a guide plate and a scraper. The guide plate is fixedly installed at the front end of the inner wall of the circulating water channel. By reducing the flow velocity through the turbines, and with the rectification effect of the guide plate, the scouring force on the inner wall of the water channel is reduced, thus reducing its wear. The guide plate sorts the water flow, so that the turbines are subjected to uniform force, reducing the kinetic energy loss caused by water flow turbulence. The baffle intercepts impurities, preventing the turbine blades from being blocked or worn, maintaining the long-term stable operation of the turbines, thereby reducing the waste of manpower and material resources, reducing the operating cost of the steam turbine condenser equipment in the power plant, and improving production efficiency.
Owner:JINAN ZHONGNENG ELECTRIC POWER ENG CO LTD

A water-powered automatic scrubbing device for the surface of rubber dams

PendingCN122298716APollutionEnergy source
This invention relates to the fields of hydraulic machinery and mechanical cleaning, specifically to an automatic device for scrubbing the surface of a rubber dam using water energy. The device includes a support unit, a drive unit, a transmission unit, and a scrubbing unit. The support unit is placed on top of the rubber dam, the transmission unit is mounted on the support unit, and the drive unit and the scrubbing unit are mounted on the transmission unit. This invention utilizes the kinetic and potential energy of the water overflowing from the surface of the rubber dam to drive an impeller to rotate. The impeller transmits power to a sprocket, which drives a chain to achieve transmission. A scrubbing brush is mounted on the chain, contacting the surface of the rubber dam to achieve scrubbing. The entire scrubbing process utilizes only the kinetic and potential energy of the river water, without using any other energy sources, incurring no energy costs, and achieving a green, environmentally friendly, and pollution-free process.
Owner:HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING

Transpose step-by-step optimization method for load distribution among cascade hydropower stations

The application discloses a kind of transposed step-by-step optimization methods of cascade hydropower station interplant load distribution, comprising: obtaining basic hydrological engineering data and power grid load demand, generating the initial cumulative output sequence of each hydropower station;With cumulative output as state variable, in the order of first time period and then library, optimization is carried out using transposed step-by-step optimization algorithm;In the optimization process, the dynamic feasible region of the cumulative output of the current hydropower station is constructed, and the physical operation constraints of each reservoir are strictly checked;The optimal cumulative output point is selected by calculating the consumed energy storage objective function value;Based on the optimization result after global iteration convergence, the water head and load filling scheduling instructions are output.The application directly converts load balance into boundary constraint of iterative feasible region, reduces the calculation overhead of exploring infeasible solution, and improves the optimization efficiency of algorithm and cascade water utilization rate.
Owner:HOHAI UNIV

Water pipe assemblies for water heaters and water heaters

This specification relates to the field of water heater technology, specifically disclosing a water pipe assembly for a water heater and a water heater. The water pipe assembly includes an inlet pipe and an outlet pipe, with at least a portion of the outlet pipe integrated inside the inlet pipe, or at least a portion of the inlet pipe integrated inside the outlet pipe. The water pipe assembly also includes a water-passing device for holding functional materials, integrated with the inlet pipe and / or the outlet pipe. Water flowing into the water pipe assembly can enter the water heater through the water-passing device and the inlet pipe, and water in the water heater can flow out through the outlet pipe; alternatively, water flowing into the water pipe assembly can flow into the water heater through the inlet pipe, and water in the water heater can flow out through the water-passing device and the outlet pipe. The aforementioned water pipe assembly can enhance structural integration while functionalizing the water flowing into or out of the water heater.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

A method and system for in-cycle power dispatching of a watershed pumped storage power station

PendingCN122292457AHydrometryPower station
This invention proposes a method and system for intra-cycle power dispatching of pumped storage power stations in a river basin, belonging to the field of power system optimization operation technology. It includes: identifying key ecological pulse events using eco-hydrological analysis; extracting and quantifying corresponding hydraulic parameters from a baseline hydrological sequence; using the quantified hydraulic parameters of the key ecological pulse events as rigid constraints and time-varying market electricity price signals as driving factors; and simultaneously introducing a constructed optimization dispatching model for model solving. By constructing a reservoir capacity boundary and an ecological pulse implementation system, this invention can obtain a power dispatching scheme for a future preset cycle that simultaneously meets the ecological pulse release requirements and net benefit targets, thus providing effective guidance for the coordinated management of water, energy, and ecology in a river basin.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY

A suspended hydroelectric power generation device

This utility model discloses a suspended hydroelectric power generation device, relating to the field of hydroelectric power generation technology. Specifically, it is a suspended hydroelectric power generation device, including a first support rod and a second support rod that can be connected together. Mounting plates are fixedly connected to the lower surfaces of both the first and second support rods. A waterwheel, the number of which can be increased or decreased, is arranged between the two mounting plates. A generator capable of generating electricity through the rotation of the waterwheels is mounted on the upper surface of the first support rod. Through the connection structure of the first and second support rods and the setting of the extension plate, the overall span of the device can be flexibly adjusted according to the width of the water area to meet the deployment needs of different water areas. Through the combination of the waterwheels, the second rotating shaft, and the limiting cylinder, combined with the dimensional adaptability of the extension plate and the second rotating shaft, the number of waterwheels can be increased or decreased according to the water flow speed. When the water flow is fast, the number of waterwheels can be reduced to avoid overload and waste; when the water flow is slow, the number of waterwheels can be increased to collect water energy and ensure energy capture efficiency.
Owner:段程豫

One-way multi-wheel curved surface hydraulic turbine

ActiveCN117212031BWater turbineWater flow
The application discloses a one-way multi-wheel curved surface pressure water turbine, which comprises a pressure water turbine body, wherein the pressure water turbine body comprises a pressure water tank, a plurality of fixed water tank discs and a plurality of curved surface rotating wheels; the bottom of the pressure water tank is provided with a vertical main shaft rod; and the plurality of fixed water tank discs and the plurality of curved surface rotating wheels are sequentially arranged on the vertical main shaft rod from top to bottom. When the one-way multi-wheel curved surface pressure water turbine is used, the pressure water turbine body is installed in a river channel with low fall, the curved surface rotating wheels are driven to rotate by water flow, under the continuous rotating action of the curved surface rotating wheels, the river water entering the pressure water tank compresses the air in the pressure water tank, high-pressure air in the pressure water tank pushes the river water in the pressure water tank to be transported to a remote place or a high place through a pipeline. The one-way multi-wheel curved surface pressure water turbine can utilize the water energy of low-fall water flow, and the water flow of different water layers can drive the corresponding curved surface rotating wheels to rotate, so that the working efficiency of the one-way multi-wheel curved surface pressure water turbine is greatly improved.
Owner:杨彪