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1792 results about "Water energy" patented technology
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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.
Hybrid robust predictive optimization method of power system dispatch
ActiveUS20090062969A1OptimizationMechanical power/torque controlLevel controlPower system schedulingPredictive function
A method of power system dispatch control solves power system dispatch problems by integrating a larger variety of generation, load and storage assets, including without limitation, combined heat and power (CHP) units, renewable generation with forecasting, controllable loads, electric, thermal and water energy storage. The method employs a predictive algorithm to dynamically schedule different assets in order to achieve global optimization and maintain the system normal operation.
Owner:GENERAL ELECTRIC CO
Sodium ion based aqueous electrolyte electrochemical secondary energy storage device
InactiveUS20090253025A1Preserve electroneutralityHybrid capacitor electrolytesCapacitor and primary/secondary cellsSODIUM CATIONAqueous electrolyte
A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device.
Owner:CARNEGIE MELLON UNIV
Water Use Monitoring Apparatus
The present invention is a water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold water supply piping for continuously (or on demand) monitoring displaying the water and water energy (hot vs. ambient) use within a residential or commercial building. A first wire or wireless means is incorporated to communicate with a remote display for viewing by the owner of a commercial building or occupier / resident of a home. A second optional wire or wireless means can be incorporated that can be monitored by civil, commercial, governmental or municipal operators or agencies, using a remote display and / or recorder means or by a secure wire or wireless communication network (e.g. cell phone technology communication means). A third wireless means communicates water parameter data utilizing typical cell tower technology and / or mesh network technology. The water use monitor apparatus includes a power generation, a microprocessor, temperature and water flow sensors, optional water quality sensors, timing circuits, wireless circuitry, and a display means. A first wired or wireless means is designed to electronically communicate water use and water energy use information to a remotely located display for convenient observation by a commercial operator or occupier, or resident. An optional second wireless means is designed to electronically communicate water and / or water energy use information to governmental or municipal operators or agencies.
Owner:REIN TECH INC
Water Use Monitoring Apparatus
ActiveUS20160076909A1Easy to observeGeneral water supply conservationVolume/mass flow by thermal effectsWater useTechnology communication
The present invention is a water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold water supply piping for continuously (or on demand) monitoring displaying the water and water energy (hot vs. ambient) use within a residential or commercial building. A first wire or wireless means is incorporated to communicate with a remote display for viewing by the owner of a commercial building or occupier / resident of a home. A second optional wire or wireless means can be incorporated that can be monitored by civil, commercial, governmental or municipal operators or agencies, using a remote display and / or recorder means or by a secure wire or wireless communication network (e.g. cell phone, smart phone or other similar technology communication means). A third wireless means communicates water parameter data utilizing typical cell tower technology and / or mesh network technology. The water use monitor apparatus includes a power generation, a microprocessor, temperature and water flow sensors, optional water quality sensors, timing circuits, wireless circuitry, and a display means. A wired or wireless means is designed to electronically communicate water use, water energy use and / or water quality information to a remotely located display apparatus or typical cell phone, smart phones, or similar apparatus for convenient observation by a commercial, operator or occupier, resident, municipal or government agency.
Owner:REIN TECH INC
Water use monitoring apparatus
A water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold main water supply piping for continuously (or on demand) monitoring and displaying the water use within a residential or commercial building. A first wire or wireless communication is incorporated to electronically communicate with a remote display for viewing by the owner of a commercial building or occupier / resident of a home. A second optional wire or wireless communication can be incorporated that can be monitored by civil, commercial, governmental or municipal operators or agencies, using a remote display and / or recorder or by a secure wire or wireless communication network (e.g. cell phone communication technology). A third wireless communication can be incorporated to electronically communicate water parameter data utilizing typical cell tower technology and / or mesh network technology.
Owner:REIN TECH INC
Water Use Monitoring Apparatus
InactiveUS20110303310A1Valve arrangementsTemperature measurement in household appliancesTechnology communicationWater use
Owner:KLICPERA MICHAEL
Water use monitoring apparatus
ActiveUS9749792B2General water supply conservationVolume/mass flow by thermal effectsWater useWater quality
The present invention is a water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold water supply piping for continuously (or on demand) monitoring displaying the water and water energy (hot vs. ambient) use within a residential or commercial building. The water use monitor apparatus includes a power generation, a microprocessor, temperature and water flow sensors, optional water quality sensors, timing circuits, wireless circuitry, and a display means. A wired or wireless means is designed to electronically communicate water use, water energy use and / or water quality information to a remotely located display apparatus or typical cell phone, smart phones, or similar apparatus for convenient observation by a commercial, operator or occupier, resident, municipal or government agency.
Owner:REIN TECH INC
Water Use Monitoring Apparatus
ActiveUS20150204701A1Easy to observeOperating means/releasing devices for valvesGeneral water supply conservationWater useTechnology communication
The present invention is a water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold water supply piping for continuously (or on demand) monitoring displaying the water and water energy (hot vs. ambient) use within a residential or commercial building. A first wire or wireless means is incorporated to communicate with a remote display for viewing by the owner of a commercial building or occupier / resident of a home. A second optional wire or wireless means can be incorporated that can be monitored by civil, commercial, governmental or municipal operators or agencies, using a remote display and / or recorder means or by a secure wire or wireless communication network (e.g. cell phone, smart phone or other similar technology communication means). A third wireless means communicates water parameter data utilizing typical cell tower technology and / or mesh network technology. The water use monitor apparatus includes a power generation, a microprocessor, temperature and water flow sensors, optional water quality sensors, timing circuits, wireless circuitry, and a display means. A wired or wireless means is designed to electronically communicate water use, water energy use and / or water quality information to a remotely located display apparatus or typical cell phone, smart phones, or similar apparatus for convenient observation by a commercial, operator or occupier, resident, municipal or government agency.
Owner:REIN TECH INC
Water, wind, solar and biomass multi-energy integrated complementary power generation method and device
InactiveCN102882223AImprove operational reliabilityImprove coordinationElectrical storage systemEnergy industryLow voltageEngineering
The invention relates to a renewable energy source integrated complementary power generation technology for a distributed power supply and provides a multi-energy integrated complementary power generation method and multi-energy integrated complementary power generation device consisting of water energy, wind energy, solar energy and other renewable energy sources. According to the method, the water energy serves as a main body, the peculiar mountain valley wind of a hydropower station is fully utilized, the solar energy, the biomass energy and other renewable energy sources which can be relatively concentrated are locally utilized and are gathered around the hydropower station, a low-voltage alternating current bus [W1] of the hydropower station serves as a grid-connected access point, and a water, wind, solar and biomass multi-energy integrated complementary power generation system which takes water and electricity as the center and takes the water and wind complementation as the basis. According to the device, a hydropower station [G1] serves as a main body, the electric energy generated by power generation subsystems [G2], [G3], [G4] and [G5] is subjected to full power conversion and is connected to the [W1] in a grid-connected mode, the original switching device and grid line of the hydropower station are utilized, and a multi-type renewable energy source integrated complementary distributed power supply which can supply power in a grid-connected mode and independently operate is formed.
Owner:陈巍 +1
Sulfur removal agent suitable for production of oil-gas well
InactiveCN102698576ASimple recipeAffect normal productionDispersed particle separationPropanolAlcohol
The invention relates to a sulfur removal agent suitable for the production of an oil-gas well. The sulfur removal agent comprises the following components in percentage by mass: 10 to 25 percent of hexahydro-1,3,5-tris(hydroxyethyl)-s-triazine, 5 to 20 percent of alcohol amine, 5 to 20 percent of small molecular alcohol and the balance of water. The alcohol amine is one or a mixture of more thantwo of monoethanolamine, ethyleneglycol amine, diisopropanolamine, methyldiethanolamine and triethanolamine; and the small molecular alcohol is one or a mixture of more than two of methanol, ethanol and propanol. The sulfur removal agent has a simple formula, can be soluble with water, and can effectively reduce the content of hydrogen sulfide in crude oil or natural gas; simultaneously, productsgenerated by the sulfur removal agent and the hydrogen sulfide are water-soluble, and cannot block a mineshaft and influence the normal production of the oil-gas well; and the sulfur removal agent can achieve effects at the temperature of 30 to 120 DEG C and can be quickly reacted with the hydrogen sulfide.
Owner:SOUTHWEST PETROLEUM UNIV
Hybrid robust predictive optimization method of power system dispatch
ActiveUS7991512B2Mechanical power/torque controlLevel controlPrediction algorithmsPower system scheduling
A method of power system dispatch control solves power system dispatch problems by integrating a larger variety of generation, load and storage assets, including without limitation, combined heat and power (CHP) units, renewable generation with forecasting, controllable loads, electric, thermal and water energy storage. The method employs a predictive algorithm to dynamically schedule different assets in order to achieve global optimization and maintain the system normal operation.
Owner:GENERAL ELECTRIC CO
Renewable energy fluid pump to fluid-based energy generation
InactiveUS20100276935A1Enhance turbine productivityImprove reliabilityWorking fluid for enginesEnergy industryWater dischargeWater turbine
A wind or water turbine mounted atop a support tower or tethered underwater drives a hydro-pumping system. The turbine converts wind or water energy into a driving torque applied to the hydro-pump. The hydro-pump forces water through a pipe transmission system to an onshore facility. On shore, the resultant pressurized fluid-flow propels a hydroelectric generating system to produce electricity or may first be used in a Reverse Osmosis desalinization process and the byproduct in part used to propel a hydroelectric generating system to produce electricity. The cold-water discharge from the hydroelectric generating system and / or from the desalinization process is used for onshore district or power plant cooling purposes.
Owner:DEHLSEN ASSOC L L C
Water use monitoring apparatus
The present invention is a water use and / or a water energy use monitoring apparatus that is affixed to the hot and cold water supply piping for continuously (or on demand) monitoring displaying the water and water energy (hot vs. ambient) use within a residential or commercial building. A first wire or wireless means is incorporated to communicate with a remote display for viewing by the owner of a commercial building or occupier / resident of a home. A second optional wire or wireless means can be incorporated that can be monitored by civil, commercial, governmental or municipal operators or agencies, using a remote display and / or recorder means or by a secure wire or wireless communication network (e.g. cell phone technology communication means). A third wireless means communicates water parameter data utilizing typical cell tower technology and / or mesh network technology. The water use monitor apparatus includes a power generation, a microprocessor, temperature and water flow sensors, optional water quality sensors, timing circuits, wireless circuitry, and a display means. A first wired or wireless means is designed to electronically communicate water use and water energy use information to a remotely located display for convenient observation by a commercial operator or occupier, or resident. An optional second wireless means is designed to electronically communicate water and / or water energy use information to governmental or municipal operators or agencies.
Owner:KLICPERA MICHAEL
Water use monitoring apparatus
ActiveUS9494480B2General water supply conservationVolume indication and recording devicesWater useTechnology communication
Owner:REIN TECH INC
Light-wind-water complementary type water pumping and energy storing power generation peak adjusting device
InactiveCN101656423APracticalSolve the problem of not being able to continuously provide users with stable energySingle network parallel feeding arrangementsMachines/enginesEngineeringHydropower
The invention relates to a light-wind-water complementary type water pumping and energy storing power generation peak adjusting device which belongs to the field of development and utilization of newenergy sources. The device is characterized in that an upper water storage reservoir is built on the mountain top in a mountain area depending on a high mountain; a lower water storage reservoir is built in a valley; the mountain slope exposed to the sun in the area is provided with a solar energy photovoltaic cell board; wind power generation fields are arranged on the upper water storage reservoir on the mountain top and the position at periphery with more favorable wind current condition; a water pumping and energy storing power generation peak adjusting power station is arranged between the upper water storage reservoir and the lower water storage reservoir; the lower water storage reservoir is provided with a water pump station; a water inlet pipe and a water outlet pipe of the waterpumping and energy storing power generation peak adjusting power station are respectively communicated with the upper water storage reservoir and the lower water storage reservoir; and a water inlet pipe and a water outlet pipe of the water pump station are respectively communicated with the lower water storage reservoir and the upper water storage reservoir. The invention can carry out large-scale development and storage in such a way that solar energy and wind energy are converted into water energy and lead a traditional water pumping and energy storing hydropower station to finish peak adjustment on a power grid under the condition of not consuming or consuming less electric energy of the power grid.
Owner:HEBEI AGRICULTURAL UNIV.
Nine-core water purifier
ActiveCN106746145AEfficient use ofNeat space arrangementMultistage water/sewage treatmentWater filterBiological activation
The invention belongs to the technical field of water purification equipment and provides a nine-core water purifier which comprises a substrate, a top cover, a machine body shell and a multi-stage purification device arranged in the machine body shell; the multi-stage purification device is composed of a lining body, filter cores and a water energy activation device; the lining body is provided with a plurality of sleeves; a plurality of sleeves are arranged in an array manner; one filter core is inserted in each sleeve; a filter core base is installed at the lower part of each filter core; a plurality of filter core bases are arranged in the array manner corresponding to the sleeves and are installed on the substrate; the water energy activation device is also installed on the substrate; and a water outlet transfer piece is installed at a purified water outlet of the machine body shell and is provided with a purified water faucet. According to the nine-core water purifier, a plurality of filter cores can be tidily arranged in a limited space, and a water filter stroke and the filter efficiency of the filter are guaranteed, so that a filter body can be fully utilized; and meanwhile, double uses on and under a table can be realized without an additional connection piece, so that mounting is convenient.
Owner:中山九芯环保技术有限公司
Sodium Based Aqueous Electrolyte Electrochemical Secondary Energy Storage Device
ActiveUS20110052945A1Hybrid capacitor electrolytesCapacitor and primary/secondary cellsSODIUM CATIONAqueous electrolyte
A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device.
Owner:AQUION ENERGY
Methods and systems for energy conversion and generation
ActiveUS20160017800A1None of approaches is suitableImprove efficiencyGas turbine plantsLiquid hydrocarbon mixture productionHigh energyLow demand
The invention relates to methods and systems of converting electrical energy to chemical energy and optionally reconverting it to produce electricity as required. In preferred embodiments the source of electrical energy is at least partially from renewable source. The present invention allows for convenient energy conversion and generation without the atmospheric release of CO2. One method for producing methane comprises electrolysis of water to form hydrogen and oxygen, and using the hydrogen to hydrogenate carbon dioxide to form methane. It preferred to use the heat produced in the hydrogenation reaction to heat the water prior to electrolysis. The preferred electrical energy source for the electrolysis is a renewable energy source such as solar, wind, tidal, wave, hydro or geothermal energy. The method allows to store the energy gained at times of low demand in the form of methane which can be stored and used to generate more energy during times of high energy demand. A system comprising an electrolysis apparatus and a hydrogenation apparatus, and a pipeline for the transportation of two fluids, is also described.
Owner:THERMOGAS DYNAMICS
Method for one-step recovery and modification of carbon fiber
InactiveCN102558603AGood mechanical propertiesThe reaction steps are simplePlastic recyclingPolymer scienceSolvent
The invention belongs to the technical field of comprehensive utilization of solid waste, and particularly relates to a method for one-step recovery and modification of carbon fiber. A polymer carbon fiber composite material is crushed mechanically into an appropriate size, the crushed polymer carbon fiber composite material, solvents and catalysts are added into a high-pressure reactor, the polymer matrix of the polymer carbon fiber composite material is decomposed with water at center temperature and under certain pressure, and finally the recycled carbon fiber with excellent mechanical properties and with the surface connected with -COOH, -OH and other active groups is prepared. The reaction steps are simple, the polymer matrix of the polymer carbon fiber composite material can be fully decomposed by the water at certain temperature and under certain pressure, and the surface of the carbon fiber is connected with the -COOH, -OH and other active groups while the internal structure of the carbon fiber is not destroyed. The recycled carbon fiber has excellent mechanical properties and can be used again as a reinforcing material for the composite material. Therefore, the pressure of waste disposal can be reduced, the material cost can be decreased, and the method has great economic and social significance.
Owner:TONGJI UNIV
Method for regulating and controlling water quality of fully enclosed circulation sea-water industrial mariculture
InactiveCN102351367ASave electricityConserve waterMultistage water/sewage treatmentEnergy based wastewater treatmentWater dischargeFiltration
The invention discloses a method for regulating and controlling the water quality of fully enclosed circulation sea-water industrial mariculture, comprising the following steps: (1) purifying water source of seawater through a sedimentation basin, regulating salinity and temperature, then supplying water to a culture pond; (2) letting the culture waste water discharged from the culture pond flow into a water collecting tank through a sewage tank, and putting the culture waste water to a filter unit for mechanical filtering; (3) dynamically lifting water to high position for sand filtration; (4) carrying out biological treatment in a biological filter which is filled with brushes as biological carriers; and (5) carrying out sterilization with vitalight lamp radiation, and then returning to the culture pond for recycling. The results of trial culture with the invention show that: the removal rates of three nitrogens of the processed water are all exceed 70 %, the removal rate of NO3<->-N exceeds 80 %; the bacterial index is reduced by 85.05 %, DO is increased to a certain extent, and the pH value is increased slightly; the indexes of water quality after treatment achieve the water standards of mariculture, simultaneously, culture output is increased, and the hydroenergy and electric energy are saved.
Owner:河北省水产研究所
Double-cold source full fresh air dehumidifier and control method thereof
ActiveCN102494372AReduce loadImprove energy efficiencyEnergy recovery in ventilation and heatingSpace heating and ventilation safety systemsSurface coolingHigh energy
The invention discloses a double-cold source full fresh air dehumidifier and a control method thereof. The problems that a full fresh air dehumidifier has high energy consumption, high-quality exhaust and low-temperature condensate water are not fully utilized, and air outlet temperature cannot be subjected to stepless regulation in a range from 16 to 24 DEG C are solved. The double-cold source full fresh air dehumidifier comprises a heat recovery device, a surface-cooling humidifying system, a direct-expansion humidifying system and a condensate water recovery system. The devices and systemsform a fresh air treatment functional section and an exhaust condensation functional section. Multi-dimensional energy-saving technologies such as double-cold source deep dehumidification, heat pipe energy conservation, condensation heat multi-point extraction, built-in evaporative condensation, exhaust and condensate water energy recovery and the like are comprehensively utilized, and the dehumidifier has the characteristics of simple and reasonable structure, high intelligent degree, low energy consumption, low manufacturing cost and flexible operation.
Owner:NANJING WUZHOU REFRIGERATION GRP
Residual-heat reclamation type cold-hot water energy-saving machine set
ActiveCN101165430AAvoid pollutionNo pollution in the processEnergy recovery in ventilation and heatingLighting and heating apparatusThermal energyCooling tower
Owner:中碳实业(珠海)有限公司
Method for drawing joint scheduling graph of step reservoir
InactiveCN102080366ASolve the production methodComply with the scheduling operation modeWater-power plantsConventional hydroenergy generationHydropowerGraph drawing
The invention discloses a method for drawing a joint scheduling graph of a step reservoir. The method comprises the following steps of: drawing an initial scheduling graph of each reservoir according to designed guaranteed power output of each hydropower station progressively from upstream to downstream by an equi-output method and according to a single reservoir scheduling graph drawing method; drawing an initial scheduling graph for joint scheduling of a step leading reservoir; performing optimization calculation on the joint scheduling graph of the step reservoir; calculating the water power of each hydropower station from top to bottom in a water power sequence according to the initial scheduling graph by taking a long-series history runoff process as an input and taking a period of ten days as a calculation interval, and optimizing scheduling lines in the joint scheduling graph of the step reservoir; and outputting a last joint scheduling graph of the step reservoir and a scheduling rule. Indicated power output in a step joint scheduling graph is used for coordinating, so that complementary scheduling effect of the step reservoir is brought into full play, damage depth of the reservoir is reduced and the utilization ratio of water power is increased.
Owner:STATE GRID ELECTRIC POWER RES INST
Composite nano generator based on piezoelectric friction electromagnetism
The invention relates to a composite nano generator based on piezoelectric friction electromagnetism. A pair of protruded buckling cover type friction layers are arranged at the corresponding positions on the outer side of a rotor; a pair of protruded buckling cover type piezoelectric layers are arranged at the corresponding positions on the inner side of a shell; and a pair of corresponding magnetic electrodes are arranged on the inner side of the shell. A high-electric-quantity characteristic of a piezoelectricity-based energy collection mode, a high-voltage characteristic of a friction-based energy collection mode and a continuous high-output characteristic of a electromagnetism-based energy collection mode are combined. A micro nano array structure is prepared on the surface of a friction material, so that the friction efficiency is greatly improved and an effective friction area is greatly enlarged, and the output is greatly increased. By rotation of the rotor, the piezoelectric output, the friction output and the electromagnetic output are realized, so that wind energy and water energy can be easily collected; and a novel method for collecting energy from the natural world can be provided. The processing technology is simple, low in cost, high in yield and favorable for industrialization.
Owner:PEKING UNIV
City ditch polluted water in situ ecological purifying processing device
InactiveCN101007674ARestoring ecological functionsReduce consumptionTreatment using aerobic processesSustainable biological treatmentWater wheelEngineering
The invention discloses an ecological purifying device of urban effluent, which comprises the following parts: biological earthworm reactor, biological rack, hydraulic aerating distributor, biological water-wheel type rotary disc, ecological purifying functional area and aeration filter purifying system, wherein the hydraulic aerating distributor connects biological earthworm reactor through overflow distributing board, which interconnects emergent aquatic plant area of ecological purifying functional area; the biological water-wheel type rotary disc is set in the outlet channel of biological earthworm reactor.
Owner:HEBEI AGRICULTURAL UNIV.
Ocean energy direct drive sea water desalting device
InactiveCN103214063AReduce manufacturing costIncrease profitGeneral water supply conservationSeawater treatmentSurface oceanDesalination
The invention provides an ocean energy direct drive sea water desalting device which comprises a sea water pre-filtering device, an ocean energy sampling device, a sea water energy storage device, a reverse osmosis device and a controller, wherein the sea water pre-filtering device, the ocean energy sampling device, the sea water energy storage device and the reverse osmosis device are sequentially connected through pipelines; and the controller is connected with the sea water energy storage device. The sea water pre-filtering device performs filtering pretreatment to sea water, so as to filter impurities, the filtered sea water becomes high-pressure sea water through the ocean energy sampling device, the high-pressure sea water enters the sea water energy storage device through pipelines to stabilize the pressure of high-pressure sea water, and then the high-pressure sea water enters the reverse osmosis device to desalinate the sea water.
Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
Method and system for measuring and calculating hydroenergy utilization improvement rate of cascaded hydropower stations
InactiveCN102855393ARaise the water level at the end of the periodAvoid random distractionsSpecial data processing applicationsInformation technology support systemPower stationData acquisition
The invention discloses a method and a system for measuring and calculating hydroenergy utilization improvement rate of cascaded hydropower stations. The method comprises the following steps that: 1) a data acquisition device acquires actual operating data of the hydropower stations; 2) the data acquisition device transmits the acquired data to a measuring and calculating server; and 3) the measuring and calculating server processes the acquired data, calculates actual generated power and assessed power aiming at the hydropower stations in different adjusting types, and obtains the hydroenergy utilization improvement rate. Due to the method and the system for measuring and calculating the hydroenergy utilization improvement rate of the cascaded hydropower stations, the accuracy of the calculation result of the hydroenergy utilization improvement rate can be improved and a good guiding effect is taken for the scheduling optimization of the hydropower stations.
Owner:GUIZHOU WUJIANG HYDROPOWER DEV
Portable capsule coffee machine
ActiveCN106264143AReduce sizeReduce horizontal space occupiedBeverage vesselsHigh pressure waterEngineering
Owner:FOSHAN IMONS INTELLIGENCE TECH CO LTD
Flow guiding device of vertical axis tidal current generator
InactiveCN101319648AEasy to moveImprove efficiencyHydro energy generationReaction enginesTidal waterWater flow
The invention discloses a diversion device of a vertical axis tidal generator, which relates to a diversion device of a vertical axis tidal water turbine which generates power with the energy of the rivers or ocean currents with quite low water flow speed. The device is technically characterized in that a main runner consists of the inlet of the diversion device, a contraction section, a middle runner, a divergent section and the outlet of the diversion device. The fluid is accelerated when flowing past the front sections of the contraction section and the middle runner; the flow speed from the tail end of the middle runner to the outlet of the diversion device is reduced, so that the pressure is recovered. In this way, the liquid flows the turbine with quite high flow speed, so as to improve the utilization rate of the water energy and recover stable flow status at the downstream of the turbine. The device is also provided with an auxiliary runner, so that the circular arc-shaped low-pressure position of the of the inflow surface at the inlet of the diversion device is communicated with the opening at the tail end of the middle runner; the structure can pump the fluid in the middle runner, expand the pressure difference in front of and behind the turbine, promote the fluid to be further accelerated and improve the flow pattern of the fluid.
Owner:TSINGHUA UNIV +1
Intelligentized light energy heat pump type cold-hot water energy-saving machine set and control method
ActiveCN101165432ATake advantage ofPriority accessFluid heatersSolar heat devicesLight energyEngineering
This invention discloses an intelligent light energy heat pump type cold and hot water energy saving machine set and its control method. It is high efficient, environmental protective and fully uses solar energy. The machine set includes heat preserving water tank, solar energy heat collecting machine, heat pump machine set, computer automatic controller, solar energy water outlet temperature sensor, water tank temperature sensor and water tank liquid level sensor. The heat preserving water tank and solar energy heat collecting machine are connected to form the solar energy heating circulating loop through the solar energy side water circulating pipeline. The heat pump machine set and heat preserving water tank are connected to form the heat pump heat circulating loop through the heat pump side water circulating pipeline. The computer automatic controller includes timer. Compared with the heat pump machine set, the solar energy heat collecting machine has the preferential heating right to the water inside of the heat preserving water tank. The water level of heat preserving water tank is controlled in time interval. After stopping solar energy heating, the heat pump heating can be permitted after the set time delay. This invention can be used in energy saving field.
Owner:慧生能源科技有限公司
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