233 results about "Electricity generation" patented technology

Waste heat cascade utilization system for the synergistic recovery of heat energy from heat exchange and milling heat, characterized in that it includes a mechanical heat recovery device, a primary preheating device, a secondary steam generation device and a tertiary low-temperature utilization device; wherein the mechanical heat recovery device connects the heat-generating components of the blower mill to the dry pipe inlet air duct in order to absorb the heat generated by the heat-generating components of the blower mill and transfer it to the dry pipe inlet air duct; wherein the primary preheating device, the secondary steam generating device and the tertiary low-temperature utilization device are arranged sequentially in the flue gas duct at the dry pipe flue gas outlet; wherein the heat outlet of the primary preheating device is connected to the combustion air duct of the boiler in order to preheat the combustion air of the boiler; wherein the steam outlet of the secondary steam generating device is connected to the steam inlet of a steam turbine to assist the turbine in driving a generator for electricity generation; and wherein the tertiary low-temperature utilization device is connected to the process water line to regulate the process water temperature and to assist the plant heating.

The invention discloses a method for enhanced removal of VOCs (volatile organic compounds) and synchronous power generation by a biological filter bed coupled microbial fuel cell system. According to the method, VOCs are introduced into a cathode chamber of a microbial fuel cell and then upwards penetrate through a filler layer of a fungus-bacterium coupled biological filter bed, in the stage, hydrophobic VOCs are adsorbed by fungal hyphae and then are aerobically degraded by bacteria to generate metabolic intermediates, hydrophilic VOCs can be directly degraded by aerobic bacteria, the purified VOCs are discharged from the top, and the purified VOCs are discharged from the bottom of the microbial fuel cell. Hydrophilic VOCs and metabolic intermediates which are not degraded in time can enter an anode chamber of the microbial fuel cell along with the nutrient solution, and the hydrophilic VOCs and the metabolic intermediates are further degraded as power generation substrates and generate electrons (e <->). According to the invention, the fungus-bacteria mixed biological filter bed is coupled with the microbial fuel cell system for treatment, so that enhanced removal is realized, and high-efficiency power generation is also realized.

The invention discloses an energy-saving control method and system for a servo hydraulic motor, and the method comprises the steps: detecting and obtaining the initial state of a load, and determining the initial flow and initial pressure required by the servo hydraulic motor; the initial rotating speed and the initial torque of the servo hydraulic motor are set, the power needed by the servo hydraulic motor is calculated, and therefore the servo hydraulic motor is driven to operate; real-time data of the servo hydraulic motor in the operation stage are obtained, the deviation of the servo hydraulic motor is calculated according to the real-time data, and the operation rotating speed and the operation torque of the servo hydraulic motor are adjusted in real time according to the deviation; when the servo hydraulic motor is in the operation stage, the temperature of hydraulic oil is monitored in real time, when the temperature of the hydraulic oil exceeds a set threshold value, heat of the servo hydraulic motor is recovered through a heat recovery device, and the recovered heat is stored through a phase change material; when the servo hydraulic motor is in the braking stage, electricity is generated through reverse rotation of the servo hydraulic motor, and electric energy generated by electricity generation is stored in the energy storage device.

The invention provides hydrogen production and storage energy equipment which comprises a cabinet body, and a water storage tank, a hydrogen production device, a control mainboard, an energy management device, a hydrogen storage device, a gas-water separation device and a fuel cell power generation device which are fixedly mounted in the cabinet body, the water storage tank, the hydrogen production device, the control mainboard and the energy management device are arranged on the same side of the cabinet body; and the hydrogen storage device, the gas-water separation device and the fuel cell power generation device are jointly arranged on the other side of the cabinet body. The invention has the advantages of miniaturized structure, reasonable and compact layout, avoidance of structural redundancy, strong heat dissipation capability, convenience in use and maintenance, moderate cost, high electrical safety and the like. The whole machine is powered by the solar panel, the hydrogen storage bottle outputs hydrogen to generate electricity, the three functions of hydrogen production, hydrogen utilization and electricity generation are achieved at the same time, solar energy and water can be conveniently converted into green hydrogen energy and electric energy, water, hydrogen and oxygen in the whole machine are recycled in the whole machine, the process is environmentally friendly, and the energy utilization rate is high.

The invention discloses a moisture power generation device and a preparation method thereof. The invention discloses a preparation method of a moisture power generation device. The preparation method comprises the following steps: (1) preparing polypyrrole modified dust-free paper; (2) sequentially placing the polypyrrole modified dust-free paper, a sodium alginate / graphene oxide mixed solution and the polypyrrole modified dust-free paper in a directional freeze-drying device, freezing with liquid nitrogen, and then freeze-drying; and (3) soaking the freeze-dried product in a CaCl2 solution, pressing the product into a sheet, soaking the sheet in a LiCl solution, and blow-drying the sheet to obtain the moisture power generation device. The prepared moisture power generation device has the advantages of being good in structural stability and excellent in moisture power generation performance, and meanwhile the preparation method is simple and low in cost.

An energy storage system includes a pneumatic vessel, a cable system attached to the vessel, a compressor for pressurizing the vessel, a generator attached to the cable system, a turboexpander generator for receiving compressed air from the vessel, and a control system. The system deflates and allows the vessel to sink in a body of water, inflates the vessel to store energy when an abundance of it exists, and allows the inflated vessel to resurface to release its buoyant energy to the generator via the cable system and to release compressed air to the turboexpander generator to generate electricity when electricity demand is high and / or electricity generation from other sources is low.

The invention relates to a method and system for generating steam and electricity, comprising a first electrical heat production system (20) and a second heat and electricity production system (30) comprising: (a) a heat exchanger (32) connected to a water-supplied conduit (2), (b) a thermodynamic machine (33) producing hot gases circulating inside the heat exchanger (32) to transfer heat to the water circulating in the exchanger, (c) a thermal storage system (34) coupled to the circuit (330) of the thermodynamic machine (33), (d) a heating device (340) for the thermal storage system, and (e) an electrical generator (36) driven by a turbine of the thermodynamic machine. The heat required for the thermodynamic machine to operate and produce hot gases is supplied by the thermal storage system during its discharge phase. Figure 1.

An electricity generation apparatus 21 comprising an electrically conducting first member 22 wound around a plurality of magnetic elements 23 embedded in a second member 24. When the apparatus 21 is

An embodiment of a system includes a pipeline of a wastewater system, an equalization tank that is configured to receive wastewater from the pipeline, and a return line extending from the equalization tank to the pipeline. In addition, the system includes an electricity generation assembly in fluid communication with the return line that is configured to generate electrical power using a flow of wastewater through the return line. The electricity generation assembly includes a flow channel, a water wheel that is partially inserted into the flow channel such that a portion of the water wheel is extended outside of the flow channel, and an electrical generator connected to the water wheel.

This invention provides a comprehensive energy-saving system and control method for plant factories, comprising: a liquid CO2 energy storage and release subsystem for compressing and storing gaseous CO2 generated in the plant factory into liquid CO2 and controlling the release of the liquid CO2; a refrigeration subsystem for vaporizing the liquid CO2 released by the liquid CO2 energy storage and release subsystem to obtain CO2 gas; an electricity generation system for expanding the vaporized CO2 gas to generate electricity for use in the plant factory; and a CO2 gas supply and recovery subsystem for processing the generated CO2 gas and transporting it to the plant cultivation area of ​​the plant factory, and recovering the CO2 gas that is not absorbed and utilized by the plants. This invention reduces the operating cost and energy consumption of plant factories.

The application belongs to the technical field of electric power, and provides a method and device for identifying influencing factors of power grid receiving capacity under multi-form load. Firstly, multi-scale data such as annual, monthly and daily data of industrial electricity, agricultural electricity, transportation electricity, municipal life electricity and new energy electricity generation are obtained. Secondly, the obtained power load data is subjected to feature extraction and cluster analysis by means of improved path integral method and multi-dimensional extended space method. Thirdly, the correlation between the power grid receiving capacity and the cluster feature data is analyzed by means of improved Spearman method. Finally, the running performance under the access situation of multiple loads is predicted by means of improved LSTM algorithm, so as to identify the influencing factors of the power grid receiving capacity under the access of multi-form load. The method for identifying the influencing factors of the power grid receiving capacity under the access of multi-form load systematically considers the multi-aspect influence of different load types on the power grid.

The invention discloses an electrolyte membrane for a concentration cell and a preparation method of the electrolyte membrane. The preparation method comprises the following steps: synthesizing a sulfonated polyether-ether-ketone polymer; the sulfonated polyether-ether-ketone polymer is used for preparing a sulfonated polyether-ether-ketone membrane, namely an electrolyte membrane, through a solvent pouring method, and the electrolyte membrane is used as a concentration difference battery electrolyte membrane, so that the battery power density can reach more than 5W / m < 2 >. The concentration cell electrolyte membrane is simple in preparation method, excellent in electricity generation performance and good in mechanical performance, and has practical application potential.

The invention discloses a novel method for generating electricity by treating aged landfill leachate through a Co3O4 / Ni-MOF anode single-chamber MFC, and belongs to the technical field of inorganic environment materials and waste water resource utilization. The method comprises the following steps: firstly preparing different materials and taking the different materials as an anode catalyst of a microbial fuel cell (MFC), then constructing a single-chamber MFC, taking anaerobic activated sludge obtained by culturing aerobic activated sludge of a sewage treatment plant as anolyte, adding a nutrient solution, stabilizing for several periods, replacing an anaerobic sludge matrix in an anode chamber with the aged landfill leachate, and finally preparing the aged landfill leachate in the single-chamber MFC. The MFC is operated at room temperature and constant pressure, organic pollutants and ammonia nitrogen in the aged landfill leachate can be removed, and meanwhile electric energy can be recycled. The method is simple in equipment, convenient to operate, energy-saving and free of secondary pollution. When the anode catalyst is Co3O4 / Ni-MOF, the maximum power density of the single-chamber MFC reaches 882 mW / m < 2 >, the maximum output voltage is 524 mV, the COD removal rate can reach 35.3%, and the ammonia nitrogen removal rate can reach 48.5%.

The present application belongs to the technical field of water pollution treatment, and particularly relates to a kind of constructed wetland coupled microbial fuel cell and a kind of water pollution treatment method.The modified iron-carbon material in the present application can reduce the inhibitory effect of antibiotics on device electricity generation, well maintain the activity of electricity-generating bacteria, and maintain stable electricity generation of the system;The modified iron-carbon material in the present application not only has efficient electron transport capacity, strengthens electron transfer, but also has a large number of active adsorption sites, can effectively remove ofloxacin, and is helpful for denitrification;At the same time, the surface area of the modified iron-carbon material is huge, and the surface is loaded with Fe, which can improve the removal capacity of phosphorus.The present application realizes efficient degradation of ofloxacin and conventional pollutants by reasonably constructing a constructed wetland coupled microbial fuel cell, and has higher electricity generation performance.

The utility model discloses large wind power steel ball machining equipment which comprises a water tank, one end of the water tank is fixedly connected with a heat insulation box body, one end of the heat insulation box body is fixedly connected with a drying box body, one end of the heat insulation box body is fixedly connected with a collecting box, and the upper portion of the drying box body is fixedly connected with a heat preservation cover. A conveying belt is arranged on the upper side of the interior of the drying box body, two air guide plates are arranged on the lower portion of the conveying belt, and a heating device is arranged between the two air guide plates. The heat insulation box body and the heat preservation cover are arranged, so that heat generated in the machining process is effectively managed. The heat insulation box body adopts a rock wool layer as a heat insulation material, a sponge heat insulation layer is fixed at the upper part of the heat insulation cover, and through the combined action of the designs, the loss of heat to the outside can be obviously reduced, so that the advantage of saving heat energy is achieved.

This utility model discloses a pedal-powered electricity generation module, including a pedal, a base, a lifting bracket, a lifting block, an elastic lifting structure, a gear, a one-way rotating shaft transmission structure, and a motor. The pedal is vertically and flexibly connected to the base via the lifting bracket. The one-way rotating shaft transmission structure and the motor are disposed within the base. The lifting block is partially disposed within the base, vertically and flexibly connected via the elastic lifting structure, with its top end pressing against the bottom surface of the pedal. The one-way rotating shaft transmission structure is connected to the motor shaft of the motor. The gear is connected to the one-way rotating shaft transmission structure. A rack structure is formed on the side of the lifting block and meshes with the gear through the rack structure. This utility model's pedal-powered electricity generation module has a simple structure, can generate electricity through pedaling, and has low maintenance costs.

This invention relates to an airbine system designed to enhance the power generation and battery efficiency of electric vehicles (EVs). The airbine integrates into the vehicle, utilizing the kinetic energy of moving air to drive its powerhouse / generator group. The internal components of the powerhouse are designed with significant mass to act as a flywheel, enabling continuous electricity generation even during short periods of vehicle inactivity, such as at traffic lights or passenger pickups. This system ensures that the EV's batteries remain charged, extending the driving range and reducing reliance on external charging infrastructure. The airbine also features optimized airflow management through adjustable blades, maximizing energy capture. Additionally, the system integrates with regenerative braking technology to further enhance energy efficiency. By maintaining a consistent battery charge, the airbine system improves overall performance, sustainability, and convenience for EV users.

The invention described herein pertains to a housing for a vertical-axis wind turbine, a vertical-axis wind turbine, and an apparatus comprising a housing and a vertical-axis wind turbine. For example, the disclosure below provides more efficient electricity generation from a vertical-axis wind turbine assembly. Increases in efficiency may be achieved by the housing through novel angled louvres and integrally housed electrical stators. Increases in efficiency may also be achieved through a magnetic spindle bearing and Savonius blade geometry. The turbine may be sized and configured for attachment to existing structures.

Modestly modified automotive engine powered generator systems to substantially improve capability for providing renewable electricity powered grid reliability and energy storage are disclosed. The use of these engines to improve capability for non-grid electricity generation, including affordable and clean fast charging of electric vehicles, is also disclosed. In one embodiment, these automotive engines use high RPM and stoichiometric air fuel ratio operation so as to provide the advantages of substantially reduced cost and NOx emissions. These engines also have multifuel capability that provides highly flexible use of low carbon fuels (such as hydrogen, methanol and ammonia) as well as the use of present fuels that are widely available. When these low-carbon fuels are produced with excess electricity from the grid and supplied to the grid when there is an electricity-supply shortfalls, they can serve as a means of energy storage.

A method for managing discharged water discharged from a moving object includes: receiving a setting request indicating whether or not to store the discharged water that is discharged due to electricity generation of a fuel cell; receiving, as a response to storing the discharged water, a utilization mode for using the discharged water as utilization water for specific use; setting a target water temperature of the utilization water based on the received utilization mode being set; adjusting the water temperature of the utilization water based on the target water temperature through heat exchange between a component constituting the moving object and the utilization water; and providing the utilization water according to the received utilization mode.

The present application relates to a kind of cogeneration gel-based devices and its preparation method and application, belong to water treatment technical field.The cogeneration gel-based device of the present application, including two electrodes, and the electricity generation material contacted with two electrodes;The electricity generation material includes porous polymer matrix, and conductive carbon material and water-soluble metal salt dispersed in porous polymer matrix;The porous polymer matrix is mainly by three (hydroxymethyl) methyl glycine modified chitosan, acrylic acid and N,N'-methylene bisacrylamide by free radical polymerization into.The cogeneration gel-based device of the present application has excellent electricity generation performance and water purification capacity.

The utility model discloses a wind power lightning protection device convenient to install, comprising a lightning protection device body, a mounting rack, a pushing assembly, a limiting block and a moving assembly, one side of the lightning protection device body is provided with a mounting groove, the mounting rack is inserted and connected in the mounting groove, the pushing assembly is arranged in the mounting groove, the pushing assembly is used for limiting the movement of the mounting rack, and the limiting block is used for limiting the movement of the limiting block. The limiting block is arranged at the bottom of the pushing assembly and used for limiting the position of the pushing assembly. Through the design of the limiting block and the moving assembly, after the lightning protection device body is connected with the mounting frame through the mounting groove in the back face and the pushing assembly, the limiting block is driven by the moving assembly to move to the bottom of the pushing assembly, and connection between the lightning protection device body and the mounting frame is enhanced through supporting of the limiting block; the shaking of the connection part of the lightning protection device body and the mounting rack driven by the shaking of the wind turbine is reduced, and the loosening condition of the connection part of the lightning protection device and the mounting rack is reduced.

A method for predicting the water power generation capability interval based on multi-scenarios water simulation and operation constraint clipping, comprising generating multiple water inflow scenario sequences based on the current hydro-meteorological state and labeling the occurrence probability; performing water balance calculation and output, flow and water head relationship calculation for each scenario at each time interval, and clipping the output sequence under the full physical constraints of water level, reservoir capacity, climbing and ecological flow, and outputting the physically feasible output; taking the high and low quantiles of all scenario output values to form the initial interval envelope; through forward continuity check and continuity correction, ensuring that the interval sequence meets the water level connection and climbing constraints between time intervals; according to different trading stages, the interval width is adaptively contracted, and the contraction coefficient is optimized through a self-learning module; finally, the structured interval containing confidence and risk sources is output.

The invention discloses a preparation method of an AB-N-P-x microbial fuel cell (MFCs) air cathode catalyst, relates to a preparation and modification method of a microbial fuel cell cathode catalyst, and solves the problem of low electricity generation performance of an existing air cathode. The method comprises the following steps: pretreating straws by using melamine, KOH and KHCO3, then calcining in a programmable tubular furnace at 900 DEG C for 2 hours to obtain a black product, and pickling, washing and drying the black product in 1M hydrochloric acid. And putting NaH2PO4 into the upstream of a programmable tubular furnace, putting the dried black product into the downstream of the programmable tubular furnace, and calcining at 350 DEG C for 2 hours to complete the preparation of the AB-N-P-x microbial fuel cell cathode catalyst. According to the modified cathode catalyst obtained by the invention, through the synergistic effect of heteroatoms P and N, the performance of active sites is enhanced, and the electrode power generation efficiency is improved, so that the performance of the microbial fuel cell is improved.

There is provided a system for energy storage, which can also be simultaneously enabled for metal production, wherein the system includes one or more electrolytic cells making up a battery of cells and wherein the battery of cells are connected to a power source, wherein the system includes both a metal recovery / electrodeposition step and an electricity generation step in cycles.

This invention belongs to the field of power grid investment optimization technology, and relates to a regional power grid investment optimization method based on a multi-objective programming model. It includes the following steps: Step S1: Considering the decoupling requirements between regional power grid investment and electricity generation, a multi-dimensional parameter system covering investment, electricity generation, safety, and green / low-carbon parameters is constructed; Step S2: Based on the multi-dimensional parameter system, a multi-objective programming model is constructed to maximize the net present value of investment, maximize the power grid safety margin, and maximize the investment-electricity decoupling degree; Step S3: An improved multi-objective particle swarm optimization algorithm is used to solve the model, and the Pareto optimal solution set is output to obtain the optimal investment scheme. This invention quantifies the decoupling relationship between investment and electricity generation through a multi-dimensional parameter system, and optimizes the balance between economic efficiency, power supply safety, and resource allocation efficiency using a multi-objective model, solving the problems of excessive coupling between investment and electricity generation and insufficient functional value mining in existing planning.

The application relates to the technical field of shaft generator, in particular to a safe energy-saving shaft generator, which comprises a paddle shaft, an electricity generation structure is connected to the side surface of the paddle shaft, a positioning structure is connected between the electricity generation structure and the paddle shaft, a fixing structure is arranged on the inner side of the positioning structure, a supporting structure is arranged on the bottom side of the electricity generation structure, an installation structure is arranged on the side surface of the supporting structure, and a releasing structure is arranged on the side surface of the electricity generation structure. The electricity generation structure can facilitate the disassembly and assembly of the shaft generator, improves the convenience of installation and maintenance, the positioning structure can quickly position the installation position between the motor and the paddle shaft during installation, the fixing structure can conveniently adjust the installation height of the motor, the installation structure can fix the motor, and the releasing structure can quickly disconnect the transmission between the paddle shaft and the motor, thereby improving the use safety.

The invention provides a three-dimensional microbial flora biological hybrid system capable of efficiently generating electricity by utilizing lignocellulose hydrolysate, and belongs to the technical field of biological batteries. According to the invention, an artificial microbial flora SLB composed of S.oneidensis, Lactococcus lactis and Bacillus subtilis is preliminarily constructed, the bacteria in the artificial microbial flora SLB are respectively subjected to genetic engineering modification, then a carbon cloth anode is replaced by a carbon felt anode, a dispersion liquid GO is added, the electricity generation and conductivity of an anode electroactive biological membrane are further optimized, and the electrochemical performance of the anode electroactive biological membrane is further improved. And finally, a three-dimensional microbial flora biological hybrid system S7L1B1 (at) CFamp capable of directly utilizing the lignocellulose hydrolysate to generate power is constructed. And GO. According to the present invention, the MFC technology is introduced, such that the MFC technology has good lignocellulose hydrolysate degradation and biological power generation capacity, such that the new approach is developed for the high-value utilization of the lignocellulose resource, the solid theoretical basis and the practical guidance are provided, and the application development of the MFC technology in the lignocellulose resource conversion field is promoted.

Renewable energy wheeling distribution systems and methods include providing a model for performing green electricity optimization on at least one electricity consumption site based on a genetic algorithm and gradient descent to generate, based on an objective according to electricity generation parameters and at least one electricity consumption parameter, at least one wheeling solution including matching relationships of green electricity between the at least one electricity consumption site and electricity generation sites, as well as the proportion for allocating the green electricity within the matching relationships; repeatedly performing the green electricity optimization on a specific electricity consumption site based on renewable energy objectives to generate wheeling solutions; and calculating, based on the plurality of wheeling solutions and cost parameters, a renewable energy marginal cost as a ratio of a variation of electricity purchase expenses to an increment of green electricity corresponding to adjacent two of the objectives.