1014 results about "Natural energy" patented technology

In a co-generated power supply system for performing dispersed power supply to a load, a wind turbine generator, a solar cell and a fuel cell whose rated voltages are made equal to a rated voltage of a storage battery are used as DC power sources. These DC power sources, a commercial AC power source and the load are connected to each other via a bi-directional electronic transformer. Thus, the co-generated power supply system, in which the electric power of a natural energy system having many fluctuation factors is combined with stable electric power such as a load leveling battery or a fuel cell, allows the stable electric power to be supplied to the load via the electronic transformer commonly, thereby reducing the cost and enhancing the performance of the entire system.

Passive voice enabled RFID devices. The passive voice enabled RFID devices include a power harvesting circuit that converts natural and artificial energy sources to voltage and current to power the device, thus, the device does not require a battery. It provides a voice capable RFID device with a power harvesting circuit that is powered by harvesting energy from various artificial or energy sources and/or natural energy sources such as: voice signals, other electromagnetic waves, sun light, vibrations, RF noise, etc. and used voice signals received to uniquely identify a generator of the voice signals or other sound signals.

The invention provides a fracture-vug type oil reservoir water-flooding development effect evaluation method. The fracture-vug type oil reservoir water-flooding development effect evaluation method comprises the steps that fracture-vug units to be evaluated are divided into a plurality of injection and production well sets; the well control coefficient of each injection and production well set is calculated, and the well control effect interval of each well set is determined combined with a corresponding preset well control coefficient index; the water-flooding recovery efficiency and the oil exchange rate of per ton water of each injection and production well set are calculated, and the development effect interval of each well set is determined combined with a corresponding preset development coefficient index; the cumulative water content and the water storage rate of each injection and production well set are calculated, the judging that whether water channeling exists or not is performed according to the cumulative water content, a water storage effect interval is determined combined with a preset water storage rate index; the non-dimensional flexible yield ratio, the single reservoir pressure drop and the artificial water-flooding index of each injection and production well set are calculated, the natural energy interval of each well set is determined combined with a corresponding preset natural energy index, a water-flooding effect interval is determined combined with a preset artificial water-flooding index. The fracture-cavern type oil reservoir water-flooding development effect evaluation method fully reflects the water injection effect of the injection and production well sets and the reason of achieving the effects, and therefore the foundation and the basis and the pertinence of the provided adjustment measure are better achieved.

In short, the Eolic Marine Electrical Generator "GEEM" is an extraordinary invention used for capturing the huge impulse force of water or wind, to generate mechanical energy and to transform the mechanical energy into electrical energy, clean and ecological, without consuming vital oxygen thanks to the invention of immense split, self-regulating panels, radially fixed in dihedral angle to a rotary central shaft, panels which capture by shock the inexhaustible energy of the wind, the waves or the ocean currents; or fixed on rotary or flying machines of high speed, with panels formed at the same time by oscillating vanes that at a certain time of a turn of 360° will face the natural energy as a single group or panel, capturing therefrom the impulse force and converting it into rotary movement through the central rotary shaft. Said vanes in other rotation, by oscillation, will divide the panel and will align themselves with the natural vector, permitting its free passage, eliminating the turning resistance of the panel against water or wind and generating a constant rotation movement, independent of the direction of water or wind, and then transforming said mechanical energy into electrical energy by existing conventional means. The invention will allow men to renew their resources and to obtain electrical energy from anywhere in the planet such as cities, countryside, deserts, forests, mountains, seas, floating cities or spaces such as the Arctic and the Antarctic, neither polluting the environment, nor depending on costly networks or non-renewable inputs. The invention will also generate electrical energy on fleets, land vehicles or airship without consuming non-renewable fuel or destroying oxygen. Moreover, this invention replaces the internal combustion engines by eolic electrical motors, changing the scenery of the modern world and recovering the ozone lost in the Antarctic. And this invention will also be used when men in future colonize planets, without rivers or seas but with plenty of wind, to generate electrical energy without polluting this new vital space of the human race.

The invention relates to a clean production process of plateau sulfate type boron-lithium salt lake brine. The process comprises the following steps of: (1) arranging a pre-airing pond, a mirabilite pond, a NaCl pond, a carnallite pond, an epsom salt pond I, a magnesium removing pond, an epsom salt pond II, a boron pond, a lithium pond and an old brine pond; (2) controlling the sodium ion concentration in plateau sulfate type boron-lithium salt lake brine, precipitating mirabilite out in winter to obtain brine A, naturally evaporating the brine A, and salting out to obtain brine B; (3) naturally evaporating the brine B, and precipitating sylvine and carnallite out in sequence to obtain brine C; (4) naturally evaporating the brine C, precipitating an epsom salt out, and performing solid-liquid separation to obtain brine D and a solid A; (5) blending the brine D with mirabilite, removing magnesium to obtain brine E, and naturally evaporating brine E to obtain brine F and a solid B; (6) performing a hydration reaction on brine F, naturally evaporating, and precipitating reservoir water/inderite and brine G out; and (7) evaporating brine G or refrigerating for precipitating lithium sulfate, and processing the lithium sulfate into a corresponding product. The process has the advantages of comprehensive utilization of natural energy, saving in energy and environment friendliness.

A method of desert environmental control using the apparatus as disclosed herein that can be installed in huge expanse of desert area, evenly spaced in a square matrix type formation, forming a protective layer against sunlight, and turning the sun's natural energy into electrical power by the solar panel or photo-voltaic cells that can be placed upon the shade panel as disclosed herein, creating a friendly environment that promotes plants growth and thus turning arid desert land into human friendly land at a cost lower than other current systems.

The invention relates to a complete set of industrialized culture production equipment and facility of button mushrooms, comprising an energy-saving mixing greenhouse, an energy-saving primary fermentation bin, an energy-saving secondary fermentation and spawnrunning greenhouse, an energy-saving tertiary fermentation and mushroom culture greenhouse, a secondary fermentation, spawnrunning and mushroom culture bedstead, a primary fermentation bin feeding machine, a conveying machine, a net puller, an appending machine, an appending unit, a discharging unit, an automatic culture material unloading mover, an energy-saving comprehensive cooling device, an energy-saving comprehensive heating device and an energy-saving fresh air conditioning unit. The equipment and facility have simple structure and low manufacture cost, fully utilize natural energies, such as solar energy, geothermal energy, and the like, and reduces the consumption of coal, fuel, and the like, thereby being a set of energy-saving, emission-reducing and environment-friendly equipment and facility.

In a power supply system (10) having a cogeneration unit (12) equipped with an internal combustion engine (12a) and a generator (12b) to generate power to be supplied to a power destination and hot water to be supplied to a hot water destination, there are provided with a natural energy generation unit (14) that generates power with natural energy, a power supply unit (20) that receives the power generated by the generator and natural energy generation unit to supply the received power to the power destination; a voltage detector (22a) that detects voltage (V1) of the power flowing through an connecting bus (22), and an electric heater (12l). The power supply unit (20) controls operation of the electric heater based on the detected connecting bus power voltage (V1), thereby effectively utilizing surplus electricity without transmitting back it to a commercial power source.

The invention relates to a generation facility management system using natural energy, and an object of the invention is to promote introduction of a generation facility by giving a consideration for generated and consumed power.

The generation facility management system is characterized in including a generation facility using natural energy and a management server for managing power information on the generation facility, wherein the generation facility includes: an energy obtaining section for obtaining natural energy; a power generating section for generating power from the obtained natural energy; an information control section for creating generated power information on the power generated by the power generating section; and a communication section for transmitting the power information to the management server, and the management server includes an information management section for determining a consideration for the power information transmitted from the generation facility by using predetermined consideration information.

The invention discloses a multi-path power supply intelligent scheduling manager and a control method thereof, belonging to the field of management systems of power supplies and new energy resources. The multi-path power supply intelligent scheduling manager comprises a multi-path power supply input unit, an automatic switching unit, a multi-path load output unit, a load detection unit and a control unit which are sequentially connected, wherein the input end of the power supply detection unit is connected with the multi-path power supply input unit, the output end of the power supply detection unit is connected with the control unit, the output end of the control unit is connected with the input end of the drive unit, and the output end of the drive unit is connected with the automatic switching unit. According to the invention, multiple paths of power supplies can be selected and automatically switched, works such as natural energy resource preferential use, load power utilization selection, important load guarantee, load power utilization management and electric quantity measurement can be carried out, and the problem of multiple power supplies and multiple loads are optimized, scheduled and managed is mainly solved.

A multiplatform heating ventilation and air conditioning control system configured to maximize energy efficiency in maintaining desired conditions within an area through beneficial use of natural energy sources. In some embodiments, the multiplatform heating ventilation and air conditioning control system can include sensors and a control system. In some embodiments, the sensors can detect conditions inside and outside of the controlled area to determine the most efficient method of maintaining desired conditions.

A power storage apparatus installed in connection with a power generation system using natural energy generation power.

The power storage apparatus is composed of a control unit and a plurality of electricity storage devices. The control unit is structured so as to calculate a target value of power station output, calculate a charge and discharge power instruction of each of the plurality of electricity storage devices, and instruct the charge and discharge. The control unit calculates a correction value of the charge and discharge power to be charged and discharged by the power storage apparatus so as to permit the charge rate of the plurality of secondary batteries to follow an individual charge rate target value according to the characteristics or operation history of the plurality of secondary batteries. This enables control of the charge and discharge of the plurality of electricity storage devices.

A bridge type river and tide water-power and wind-power combined power generation corridor is composed of a full-bridge type river water-power and wind-power combined power generation corridor, a shore bridge type river water-power and wind-power combined power generation corridor and a bridge type tide water-power and wind-power combined power generation corridor which are respectively a combiner of a tree-shaped wind power generation device (1) built on a bridge plate and a tree-shaped water power generation device built below the bridge plate. In order to effectively utilize the abundant water power resources and the wind power resources in China, the bridge type river water power, tide water power and wind power combined power generation technology is provided, the bridge type river water power, tide water power and wind power combined power generation corridor is built by combining the river water power with tide water power and wind power so that natural energy can be effectively utilized for power generation, more electric energy is provided for people, and the degree of dependence on underground resources such as petroleum and coal is decreased.

A float-type offshore power generating platform comprises a float, an anchoring system, a power generating system, a power transmission and distribution system, and an energy-storage system, and is fixed in a sea area near a small island in an anchoring manner, a plurality of box bodies are integrally connected to form a platform through bolts, the float is used for providing buoyancy force for the platform, and the box bodies comprise a plurality of wind power generating box bodies, a plurality of solar power generating box bodies, a plurality of ocean current power generating box bodies and an energy storage box. During the work of the platform, electric power produced by the power generating system is partly conveyed to the load on an island through a submarine cable, redundant electric power is used for preparing hydrogen through electrolyzed water and the hydrogen is stored in a hydrogen fuel battery, and in case of natural energy source insufficiency, the fuel battery can be used as an auxiliary energy source for supplying power to the load. According to the float-type offshore power generating platform, clean energy is adopted for power generation, the land space of the island is not occupied, the power generating system is modularized, and the mounting and the dismounting are convenient.

An automatic tuning method is developed for an energy storage system of the railway vehicle. The method comprises; an optimal tracking for voltage fluctuation in the overhead line voltage varying with hourly-basis, the voltage variation of the substation and railway vehicle operating pattern. The railway vehicle is automatically performed the tuning to maximize the energy storing efficiency. The railway vehicle can achieve the optimum operation for saving energy effectively by bidirectional DC/DC converter using regenerative energy of DC. The railway vehicle stably operates under the overhead line voltage fluctuation. The energy efficiency is maximized by charging/discharging energy while the power is tracking unstable, which is generated by utilizing natural energies such as wind or solar energy, in real time by applying an automatic tuning algorithm to an energy storage system which is applied to a smart grid or a micro grid that uses renewable energy as a primary energy source.

The invention discloses a method for water-flooding abandoned condensate gas reservoirs. The method includes performing full fluid PVT (pressure-volume-temperature) analysis first to complete long-core displacement experimental analysis. The long-core displacement experiment mainly includes the steps: selecting core samples on site; testing basic physical-property parameters of cores; splicing the core samples into a long core for displacement experiment, performing natural energy failure experiment, performing displacement in flooding, acquiring recovery rate of water-displacing condensate oil and condensate gas under different conditions according to the experiments, and comparing to determine the waterflood pattern which is most satisfactory to the requirement of increasing recovery rate of condensate gas reservoirs on site; and compiling a condensate gas reservoir water-flooding scheme according to indoor experiment results. The problem that existing depletion development of condensate oil-gas reservoirs is fast in energy decline, causes underground condensate oil loss and is low in production level is solved. Reasonable water-flooding speeds and water-flooding modes are optimally selected by the method and used for water flooding of abandoned condensate gas reservoirs, so that recovery rate of condensate oil-gas reservoirs is effectively increased.

The invention discloses a method to high effective utilize through-flow type water source cold hot source in nature power comprehensive utilization technical domain, which is characterized by the following: entering water source into automatic scrubbing device from admitting pipe; removing big waste matter; entering into heat exchanging equipment from water pump; adding into solid particle before entering into the heat exchanging equipment; reinforcing heat exchanging ability; preventing generation of dirt; assembling solid-liquid separator at the outlet of the heat exchanging equipment; separating the solid particle; cycle-using; backwashing the automatic scrubbing device; discharging back to through-flow type water source ductwork. This invention possesses distinctive economical effect, which can be used to hot pump technology or cooling industrial equipment.

The invention provides a staggered well arranging method for ultra-low permeability tight oil reservoir volume fracturing horizontal well quasi-natural energy exploitation. The method comprises the steps of 1) firstly carrying out comprehensive geological research, selecting a horizontal well network deployment area preferably, carrying out reservoir classification evaluation, and determining a main contribution interval; 2) optimizing the horizontal segment length; 3) optimizing the well spacing; 4) optimizing the segment distance between fracturing fractures; 5) determining the array distance. The method can utilize the natural energy oil drainage function of horizontal well volume fracturing fracture networks to the greatest degree and avoids the risk of water breakthrough in water flooding exploitation; volume fracturing retention fluid achieves the effects of replenishing energy at an early stage.

A method for taking water from the sewage pipe in urbane area by use of the potential difference between said sewage pipe and automatic sewage treating apparatus features that said sewage automatically flows into the automatic sewage treating apparatus to obtain clean water. Said automatic sewage treating apparatus is composed of orifice-plate filter cylinder, motor, speed reducer, overflow port, blowoff pipe, water spraying pipe, submersible pump, circulating pump, blowoff pump, etc.