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79results about How to "Meet energy demand" patented technology

Model-prediction-control-based optimized dispatching method of integrated energy system of park

The invention relates to a model-prediction-control-based optimized dispatching method of an integrated energy system of a park. The method comprises: according to a selected integrated energy systemof a park, structure and parameters of the integrated energy system of the park are inputted; operational constraints of the integrated energy system of the park are established; a minimized sum of operation costs and equipment on-off costs of the integrated energy system of the park in a prediction domain at a rolling optimization stage is set to be an objective function and a minimized sum of operation costs and power adjustment punishment costs of the integrated energy system of the park within a single interval at a dynamic adjustment stage is set to be an objective function; optimized dispatching is carried out by using a rolling-optimization-based multi-time scale optimization dispatching method; and a dispatching plan of the system within one dispatching cycle is outputted, whereinthe dispatching plan includes operation costs, a heat supply water power of a solar hot water system, a ground source heat pump, a start-stop command of an electric boiler, an operating situation, anenergy supply power, a running condition of a thermal-storage water tank, and an energy supply power. According to the invention, optimized dispatching of the integrated energy system of the park is realized; the influence caused by the load and renewable energy output prediction errors is reduced effectively; and the energy demand of the system is satisfied economically and reliably.
Owner:TIANJIN UNIV

PVT heat pump system capable of achieving day and night time-division heat, power and cold supply through solar radiation and sky cold radiation

The invention provides a PVT heat pump system capable of achieving day and night time-division heat, power and cold supply through solar radiation and sky cold radiation, and a photovoltaic power generation technology and a PVT heat pump technology which are relatively independent and mutually promoted in function are used simultaneously. Solar radiation energy and sky long-wave cold radiation energy are used as main energy resources of the system, and the energy is converted into electric energy, heat energy and cooling capacity through a PVT photoelectric-evaporation / condensation assembly in different modes at different times. The system integrates the various functions of power generation, heating, cooling and the like, equipment composition is simple, the equipment utilization rate is high, the energy saving effect is remarkable, the energy utilization rate is increased to the greatest extent, and the effects of achieving multiple purposes through the system and achieving day and night time-division heat, power and cold supply are achieved.
Owner:DALIAN UNIV OF TECH

Energy Internet construction method for improving energy use efficiency

The invention discloses an energy Internet construction method for improving energy use efficiency. The method comprises the following steps of constructing an energy Internet architecture physical network, constructing an energy Internet architecture information network, constructing an energy Internet architecture application platform and the like. On a layer of a physical network, energy production equipment, including a wind turbine generator, a photovoltaic power station, a combined cold heat and power supply unit, a ground source heat pump unit and the like, and cooling / heating equipment, including a lithium bromide unit and the like are configured to carry out energy saving transformation on systems including illumination, water supply, elevators and the like, and the gradient utilization of energy, energy saving and loss reduction are realized. On a layer of an information network, the production, transmission and consumption state of the energy can be subjected to all-aroundsupervision and monitoring on the basis of an intelligent Internet of Things technology so as to realize a target of reducing manpower, lowering cost and improving energy efficiency. On a layer of anapplication platform, the complementary characteristics of a multi-energy supply system is used for coordinating and optimizing the supply of energy, including, coldness, heat, electricity, gas and the lie on the basis of meeting the energy utilization requirement of the user, the consumption of clean energy is accelerated, and the use efficiency of energy is improved.
Owner:STATE GRID TIANJIN ELECTRIC POWER +3

Comprehensive energy optimization scheduling method for a park considering the thermal load demand response of a building

A comprehensive energy optimization scheduling method for a park considering the thermal load demand response of a building: inputting the structure and parameters of the integrated energy system of the park according to the selected integrated energy system of the park; establishing an optimal energy system optimization plan for the park considering the thermal load demand response characteristics of the building Model; linearize the relevant nonlinear constraints in the park integrated energy system optimization scheduling model, establishing a mixed integer linear programming model and callthe corresponding solver to solve; outputting the solution results, including operating costs, host start and stop instructions, operating conditions , power supply, energy supply device energy supply command and power, centralized energy station water supply temperature, building indoor temperature. The invention fully considers the transmission loss and delay of the pipe network, the room temperature can adjust the characteristics in the comfort range, and the coupling relationship between the energy station, the energy supply pipe network, the energy supply network and the building load, can better realize the demand side management. Economically and reliably meet the user's energy needs.
Owner:TIANJIN UNIV

Regional comprehensive energy system operation optimization method considering comprehensive demand response

The invention discloses a regional comprehensive energy system operation optimization method considering comprehensive demand response. The method comprises the following steps: S1, establishing renewable energy, energy conversion equipment and energy storage equipment models; S2, establishing a comprehensive demand response model based on three loads of electricity, heat and gas; S3, establishinga regional comprehensive energy system operation model considering comprehensive demand response; and S4, substituting the electricity, heat and gas load prediction results in the future 24 hours into the model in the step S3, and solving in a Cplex optimizer. According to the characteristics of energy supply and demand response of the regional comprehensive energy system, energy is converted mutually, the phenomena of wind curtailment and light curtailment are reduced, energy storage and supply are increased, and the regional comprehensive energy system operates stably and economically.
Owner:ECONOMIC TECH RES INST OF STATE GRID HENAN ELECTRIC POWER +2

Regional comprehensive energy system optimal scheduling method considering flexible thermal load

The invention discloses a regional comprehensive energy system optimal scheduling method considering a flexible thermal load. The regional comprehensive energy system optimal scheduling method comprises the following steps: firstly, acquiring basic data of a to-be-optimized regional comprehensive energy system; constructing a flexible thermal load model considering a user work and rest rule basedon the obtained basic data; establishing a day-ahead optimal scheduling model of the regional comprehensive energy system by taking minimum energy consumption cost as a target function and taking electric power balance constraint, thermal power balance constraint, energy storage equipment energy storage constraint and the like as constraint conditions based on the model; and then solving the optimal scheduling model to obtain optimized input and output of various devices in the regional comprehensive energy system and a user indoor temperature change curve, and finally scheduling the various devices according to the optimization scheme. According to the design, electric heating coordination scheduling is effectively achieved, and the flexibility of system operation is improved, and diversified energy using requirements of users are met, and the cost of system operation is reduced.
Owner:ECONOMIC & TECH RES INST OF HUBEI ELECTRIC POWER COMPANY SGCC

Processes and systems for storing, distributing and dispatching energy on demand using and recycling carbon

ActiveUS20140272639A1Decrease maximum coincident differenceIncrease profitFuel cell auxillariesRegenerative fuel cellsAir pollutantsOn demand
The present invention generally relates to storing energy in a form that is carbon neutral, storable and transportable, so that it can be used on demand. The present invention provides a process and system for using energy as available to produce carbon from carbon oxide, and then oxidizing the carbon to generate useful energy on demand, while effectively recycling the carbon, oxidant, and carbon oxide used in the process or system. In one embodiment, the present invention effectively stores renewable energy as carbon, transports the carbon, oxidizes the carbon to generate useful energy on demand and recycles the carbon as carbon dioxide. This invention may increase the utilization of renewable energy, especially for electrical power generation, while producing no net carbon dioxide or other air pollutants.
Owner:ZIETLOW INNOVATIVE ENG & TECH

Underwater inflatable flexible solar concentrator and photovoltaic power generation system thereof

The invention provides an underwater inflatable flexible solar concentrator applied to an underwater working device and a photovoltaic power generation system thereof and belongs to the technical field of new energy application. At a non-working state, the underwater inflatable flexible solar concentrator is accommodated in an accommodation box at the top end of the underwater operation device. The underwater inflatable flexible solar concentrator is composed of an inflatable flexible solar concentrator body, a solar cell array, a control platform, a lifting rope and the like. During work, the underwater inflatable flexible solar concentrator inflates the concentrator body and pulls the concentrator body to a specific position of underwater operation by adjusting the lifting rope to enable the solar cell array to be located on the focal plane of the concentrator body. Parallel light is refracted in water through the concentrator body and converged on the solar cell array to convert light energy into electric energy. The electric energy is stored in the control platform through a storage battery, and the using electric power needed by the underwater operation device is obtained after the electric energy passes through an inverter. Charging and discharging of the storage battery, energy supply of the underwater operation device and winding and unwinding of the lifting rope are all achieved through control of the control platform.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Conversion of hydrocarbons to carbon dioxide and electrical power

A process for reducing CO2 emissions from combined cycle power generation processes utilizing a gaseous hydrocarbon feed, which includes splitting the hydrocarbon feed into two portions; a first portion ≦45% by volume of the feed and a second portion ≧55% by volume of the feed, feeding the first portion to an autothermal reforming process to generate a hydrogen-containing gas and a carbon dioxide stream, combining the hydrogen-containing stream with the second portion, combusting the resulting hydrogen-containing fuel stream with oxygen containing gas in a gas turbine to generate electrical power and passing the exhaust gas mixture from the gas turbine to a heat recovery steam generation system that feeds one or more steam turbines to generate additional electrical power. The captured carbon dioxide stream may be fed to storage or enhanced oil recovery processes. The process may be retrofitted into existing combined cycle processes.
Owner:JOHNSON MATTHEY PLC

Park-level comprehensive energy supply system

The invention discloses a park-level comprehensive energy supply system. The park-level comprehensive energy supply system comprises mains supply and is characterized in that the power output end of anatural gas distributed energy station (1) is connected with the power input ends of an industry park or industrial park load center (9), an air source heat pump (7) and an electric refrigerating airconditioner (8), the flue gas output end of the natural gas distributed energy station (1) is connected with a waste heat recycling device (2), and the steam output end of the waste heat recycling device (2) is connected with a steam type lithium bromide refrigerating unit (5) and a steam heat storage unit (4); the hot water output end of the waste heat recycling device (2) is connected with a domestic hot water storage unit (3); the power output end of a roof distributed photovoltaic device (6) is connected with the input ends of the industry park or industrial park load center (9), the airsource heat pump (7) and the electric refrigerating air conditioner (8). By the park-level comprehensive energy supply system, the technical problems that the prior art excessively depend on large-power-grid power supply, large-area power failure is caused easily, energy use reliability is poor and the like are solved.
Owner:GUIZHOU POWER GRID CO LTD

Multi-heat-source indirect PVT (Pressure-Volume-Temperature) heat pump system suitable for buildings and running method thereof

The invention relates to a multi-heat-source indirect PVT (Pressure-Volume-Temperature) heat pump system suitable for buildings. The multi-heat-source indirect PVT heat pump system comprises a power grid, an inverter, a PVT heat collector tile, a heat-exchanging pipeline, a roof or inclined surface, an electromagnetic three-way valve A, a heat collector water box, a phase-change heat-storage device, a heat pump evaporator, a circulating water pump, an electromagnetic three-way valve B, an air-cooled heat exchanger A, an electromagnetic three-way valve C, a compressor, an air-cooled heat exchanger B, an electromagnetic three-way valve D, a domestic water tank, a water-cooled condenser, a pipeline A, a water-water heat exchanger, a pipeline B, an electromagnetic three-way valve E, an expansion valve, an electromagnetic three-way valve F, a tile convex part, a photovoltaic module, a flat plate heat pipe, a heat-insulating material, heat-conducting glue, a tile plane part, a tile, phase-change microcapsules, a metal net box, a phase-change material and a shell. The multi-heat-source indirect PVT heat pump system has the beneficial effects that mounting and maintenance are facilitated;true building integration is realized under the condition of not damaging the functions of keeping out wind and rain and insulating heat of the conventional tile; and the application prospect of a PVTtechnology is expanded.
Owner:ZHEJIANG ZHENENG TECHN RES INST +1

Integrated energy supply system for agricultural greenhouse and power supply method

The invention discloses an integrated energy supply system for an agricultural greenhouse and a power supply method. The temperature of the greenhouse is automatically adjusted, heat required for maintaining the temperature of the greenhouse is provided, or the temperature of the greenhouse is reduced. According to the integrated energy supply system and the power supply method, a solar heat collection and wind power stirring heating combination effect is used for providing heat to a biogas generator, and the temperature of high-efficiency fermentation of a biogas raw material is maintained; and chemical energy released by biogas combustion is used for driving an absorption type heat pump to realize heating and cooling of the greenhouse, the utilization rate of renewable clean energy and the greenhouse heating efficiency are improved, a comprehensive energy supply operation strategy is proposed, the aim of adjusting the temperature of the greenhouse in different seasons and different weather conditions is achieved, and the needs for agricultural greenhouse energy supply are met.
Owner:XI AN JIAOTONG UNIV +1

Self-resetting energy consumption support

A self-resetting energy consumption support comprises an inner constraint tube, an outer constraint tube, a wide ear plate, an anti-shear rivet, lead sand, an outer constraint tube ear plate, a baffle, fixed end plates, a rope, a clamp and an anchor plate. At a plant, the wide ear plate, the anti-shear rivet and the inner constraint tube are welded and spliced at first; the outer constraint tube ear plate, the baffle and the outer constraint tube are welded and spliced; the inner constraint tube is disposed in the outer constraint tube; the outer constraint tube is then welded and connected; then, the rope of the self-resetting system is inserted into the inner constraint tube and then passes through openings of the fixed end plates; prestress is applied to tightly press the fixed end plates on two ends of the outer constraint tube; the rope is tensioned and anchored on the anchor plate by the clamp; and finally, the lead sand is poured in via a pouring hole so as to form a lead center, and then splicing is completed. According to the invention, welding and splicing are completed at the plant; friction effects of the anti-shear rivet and lead sand have significant energy consumption effects; the self-resetting ability is high; the industrial production efficiency is high, etc.
Owner:BEIJING UNIV OF TECH

Operation optimization method for sewage recycling type comprehensive energy system

The invention discloses an operation optimization method for a sewage recycling type comprehensive energy system. The method comprises the following steps: S1, constructing a sewage recycling type comprehensive energy system architecture; S2, constructing a sewage recycling type comprehensive energy system operation model; S21, establishing an objective function, and establishing a cost minimization function; S3, constraining the model; S31, the equipment operation constraint comprising S311, a biogas combustion engine constraint; s312, sewage source heat pump constraint; S313, energy storageoperation constraint; s32, the energy supply and demand transmission constraint comprising S321, an electric load supply and demand balance constraint, S322 an energy unit output / transmission capacityconstraint; S323, a line unidirectional transmission constraint; and S4, applying an intelligent particle swarm optimization algorithm to an optimization algorithm of the model, and applying a paretooptimization algorithm to optimize the multi-objective planning problem so as to realize better solution of the model.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Intelligent functional and portable power supply and control method thereof

The present invention discloses an intelligent functional and portable power supply and a control method thereof. An alternating current network connection is connection of a two-way converter and a first two-way DC / DC converter, the first two-way DC / DC converter module is connected with a second two-way DC / DC converter, a solar cell panel is connected with a two-way converter and a first two-wayDC / DC converter, a flexible thin film solar panel and a storage battery are connected with the first two-way DC / DC converter and the second two-way DC / DC converter, and the second two-way DC / DC converter is connected with an energy storage battery. The intelligent functional and portable power supply and the control method thereof can effectively utilize the solar energy clean energy, can achievedigital intelligent control, can perform modularized design to allow functions of products to be richer, and can meet the energy supply demands of a plurality of voltage-level electrifying devices; and moreover, products are high in universality in various occasions, have standard interfaces, are high in intelligent degree, can be rapidly input to markets for usage, and have overvoltage protection, overcurrent and short-circuit protection to allow the products to be safer and more reliable.
Owner:NORTH CHINA INST OF SCI & TECH

3D bulk silicon microcapacitor based on MEMS technology, fabricating thereof and application

The invention discloses a method of fabricating a 3D bulk silicon microcapacitor, which comprises steps of fabricating of a 3D bulk silicon substrate structure, introduction of an active material forthe 3D structure and three kinds of packaging and integration of the capacitor. Firstly, deep silicon etching is carried out to obtain a hollow 3D silicon-based comb substrate; the upper surface, thelower surface and the side wall of the comb are then coated with a carbon-based conductive layer and the active material; and finally, a gel-like electrolyte is applied to the surface, packaging and integration are carried out, and the 3D bulk silicon microcapacitor is obtained. In comparison with the conventional comb planar structure, the longitudinal height of the microcapacitor electrode is extended, the available electrode surface area is expanded from a two-dimensional plane to a three-dimensional surface and longitudinal side wall, the 3D electrode can carry more active material, the specific capacitance and the specific energy density are thus enhanced, the 3D comb structure active material introduction method is of great significance for the research of 3D capacitors, and the proposed packaging and integration method ensures the stability and the service life of the capacitor.
Owner:HUAZHONG UNIV OF SCI & TECH

Heat-convertible heat pipe exchanger and working method thereof

The invention discloses a heat-convertible heat pipe exchanger and a working method of the heat-convertible heat pipe exchanger. Tail gas arrives at a gas chamber through a gas inlet pipe. Working media in evaporation sections of heat pipes absorb heat to vaporize, flow to condensation sections under the action of steam pressure and carry the heat to the condensation sections. Working medium steam in the condensation sections cools, is liquefied, releases heat and transfers the heat to heating media, so the temperature of the heating media rises. The working media flow back to the evaporation sections to participate in a next heat cycle under the action of capillary force of liquid absorption cores of the heat pipes. The heating media at a rising temperature are discharged from a liquid drain pipe and subjected to heat transfer with a generator, the temperature of the heating media is lowered, and then the heating media flow into a liquid collection tank through a liquid inlet pipe and receive the heat of the tail gas cyclically. By the adoption of the heat-convertible heat pipe exchanger, refrigeration is not needed or a refrigeration load is small, so the contact area between the evaporation sections of the heat pipes and the gas chamber is reduced; the part needing heat requires much heat, so the contact area between the evaporation sections of the heat pipes and the gas chamber is increased. The heat exchange amount of the heat-convertible heat pipe exchanger can be controlled, and the heat-convertible heat pipe exchanger can meet the requirement of the part needing heat for energy supply on different conditions and has very high safety and flexibility.
Owner:浙江氢阳电池有限公司

An energy purchase scheme optimization method for a cooling heating and power multi-energy supply system

InactiveCN109447360AMeet energy demandGood economic costForecastingElectricityEnergy supply
The invention discloses an energy purchase scheme optimization method for a cooling heating and power multi-energy energy supply system. The method comprises the following steps of 1 determining the boundary of the cooling heating and power multi-energy energy supply system; 2 determining electricity, gas, cold and heat selectable energy purchasing conditions of the cooling, heating and power multi-energy supply system; 3 determining characteristic parameters of the cooling, heating and power multi-energy supply system and collecting corresponding data; 4 constructing an energy purchase optimization model; 5 solving an energy purchase optimization model; 6 analyzing and displaying the energy purchase scheme. On the premise that the energy consumption requirement of a user is met, the effect of optimal economic cost is achieved.
Owner:国网电力科学研究院武汉能效测评有限公司 +2

Multi-energy complementary combined cooling heating and power microgrid framework and modeling method thereof

The invention relates to a multi-energy complementary combined cooling heating and power microgrid framework and a modeling method thereof. The invention relates to the technical field of multi-energycomplementary combined cooling heating and power supply micro-grids, in particular to a multi-energy complementary micro-grid which is a comprehensive energy network system provided with a protectiondevice and integrating various energy supply devices, loads, energy conversion devices, cooling heating and power energy storage devices and the like. Based on the microgrid energy management system,self-control and self-management can be achieved, autonomous selection can be achieved, the microgrid energy management system and a large power grid are standby for each other, energy is provided for cold / heat / electric loads in a region, the energy supply requirement is met, and reliable and economic energy supply of the microgrid is achieved. The multi-energy complementary micro-grid can supplyvarious energy sources such as cold, heat and electricity at the same time, different energy sources can be mutually converted or used in a gradient mode, and the energy utilization efficiency in a region is improved to the maximum extent. Compared with the energy supply mode of the traditional micro-grid, the multi-energy complementary micro-grid has obvious advantages.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST +3

Pure oxygen oxygen-enriched combustion prime mover device and transportation means and system utilizing device

The invention provides a prime mover system device which directly utilizes various wide-source materials like biomass energy and solid energy and directly converts the materials into electricity, hydrogen and other prime power capable of being directly utilized through pure oxygen, oxygen-enriched combustion and gasification technologies, and particularly provides a light and small power source system which can be utilized in transportation means like new energy vehicles and novel high-speed airships.
Owner:邹立松

Three-dimensional gear type self-resetting energy dissipation and seismic isolation support

PendingCN110485283ARealize two-way horizontal liftingApplicable to actual engineeringBridge structural detailsLower limitEngineering
The invention relates to the technical field of anti-seismic safety, in particular to a three-dimensional gear type self-resetting energy dissipation and seismic isolation support. The support comprises an upper limiting plate, an upper rubber layer, an upper support plate, a toothed ellipsoid rotating body, a lower support plate, a lower rubber layer and a lower limiting plate in sequence from top to bottom. The upper support and the lower support are connected through a plurality of shear keys, and rubber sealing rings are arranged on the outer sides of the shear keys. The upper limiting plate is connected with the main beam through studs, and the lower limiting plate is connected with a cover beam through studs. Through the meshing effect of the gears, the ellipsoid with the gear in themiddle shifts under the strong shock effect, meanwhile, the stress area is not changed, stress is uniform, the overturning danger is reduced, the rotating angle of the ellipsoid rotating body is limited through limiting check blocks on the two sides of a gear ring, and the phenomenon that different components are disengaged from one another is effectively avoided.
Owner:NANCHANG UNIV

Energy Internet application model and application method

The invention provides an energy Internet application model and application method, and the application model comprises an energy supply side, an energy demand side, and an energy information gathering model. The energy supply side is used for providing energy supply information, and issuing the energy supply information to the energy information gathering model. The energy demand side is used forproviding the consumption demand information, and issuing the consumption demand information to the energy information gathering model. The energy information gathering model is used for the energy optimization distribution combination of the energy supply information and the consumption demand information. According to the invention, the application model is provided with a unified energy information gathering place, and the energy optimization distribution combination, i.e., the minimum energy consumption cost or minimum energy production process discharge, is performed through the centralized optimization of the energy supply information and demand information, thereby achieving the purpose of giving a play to the overall advantages of the energy Internet optimization energy supply andconsumption system.
Owner:CHINA ELECTRIC POWER RES INST +2

Mobile energy supply method and energy supply system

The invention discloses a mobile energy supply method and energy supply system. The mobile energy supply method comprises the steps that energy use demand information of a user is acquired; an optimized combination mode of gas supply units, gas power generation units, power storage units and photovoltaic power generation units is determined according to the energy use demand information of the user, and the number of the required gas supply units, the gas power generation units, the photovoltaic power generation units and the power storage units is acquired; and the gas supply units, the gas power generation units, the power storage units and the photovoltaic power generation units of which the number is determined are allocated to the specified position of the user to perform energy supply. Therefore, customized energy supply can be provided for the user, and gas energy conversion and energy storage can be combined in use by adopting a modularized energy supply mode so that energy supply allocation is enabled to be rationalized, and utilization efficiency of energy can be enhanced. Combustible material is supplied by the gas supply units so that repeated construction of gas pipeline facilities can be reduced, energy supply cost can be reduced and the energy supply system is enabled to be further improved.
Owner:ENN SOLAR ENERGY

Comprehensive energy system robust planning method and system

The invention discloses a comprehensive energy system robust planning method and system, and the method comprises the following steps: S100, obtaining load demand data, equipment types and equipment model data based on the land area and function demand information of a comprehensive energy system planning region; S200, based on the data obtained in the step S100, eliminating the influence of loaduncertainty through a pre-constructed comprehensive energy system robust planning model, and planning a comprehensive energy system; and S300, obtaining the specific model and capacity configuration of the equipment in the comprehensive energy system planning area. The actual architecture of the comprehensive energy system is reasonably represented based on the improved energy concentrator model,and the comprehensive energy system robust planning model embedded with the economic operation strategy is constructed by further considering the uncertainty of the load. According to the invention, the utilization efficiency of urban comprehensive energy is improved, the construction cost and the energy supply cost of an urban comprehensive energy system are reduced, and the reasonable development of urban energy internet structure construction and planning technologies is promoted.
Owner:ECONOMIC TECH RES INST OF STATE GRID ANHUI ELECTRIC POWER

Conversion of hydrocarbons to carbon dioxide and electrical power

A process for the conversion of a hydrocarbon to CO2 and electrical power is described which includes subjecting a gas mixture of a hydrocarbon feed stream and steam to an integrated reforming process including stages of steam reforming in a gas-heated reformer and secondary reforming to generate a reformed gas mixture, increasing the hydrogen content of the reformed gas mixture by subjecting it to one or more water-gas-shift stages, cooling the resulting hydrogen-enriched reformed gas and separating condensed water therefrom, passing the resulting de-watered hydrogen-enriched reformed gas to one or more stages of carbon dioxide separation to recover carbon dioxide, combusting the remaining hydrogen-containing fuel stream with an oxygen containing gas in a gas turbine to generate electrical power and passing the exhaust gas mixture from the gas turbine to a heat recovery steam generation system that feeds one or more steam turbines to generate additional electrical power.
Owner:JOHNSON MATTHEY PLC

Grading regulation and control method and system for user-side comprehensive energy system

The invention discloses a user side comprehensive energy system regulation and control method, which is characterized by comprising the following steps of dividing a regulation and control period intothe regulation and control time periods according to the user side load energy demands and a time sequence rule; calculating by adopting a fuzzy clustering algorithm based on the regulation and control time periods to obtain the energy consumption grades; and based on the regulation and control time periods and the energy consumption grades, combining with the energy value label sorting of the energy devices to perform regulation and control, so that different grading standards are set under different regulation and control scenes and different regulation and control time periods, the gradingregulation and control of the user-side comprehensive energy system are more reasonable and flexible, and the problem that the supply and demand balance of the energy generation and distribution cannot be achieved, is solved.
Owner:CHINA ELECTRIC POWER RES INST +3

Power and cold air combined supply system driven by medium and low temperature heat source

The invention discloses a power and cold air combined supply system driven by a medium and low temperature heat source. The power and cold air combined supply system comprises a medium and low temperature heat source circulation system, an LNG cold energy utilization circulation system, a Kalina circulation system, an organic Rankine circulation system, an external ejection type refrigeration circulation system and an internal ejection type refrigeration circulation system; the Kalina circulation system is coupled with the medium and low temperature heat source circulation system through a boiler and a superheater; the organic Rankine circulation system is coupled with the medium and low temperature heat source circulation system through an ORC preheater, and the organic Rankine circulation system is coupled with the Kalina circulation system through an ORC evaporator; an ejection flow of an ejector of the internal ejection type refrigeration circulation system is medium-high pressure ammonia gas led out from a certain position in the middle of a turbine in the Kalina circulation system, and the ejected flow is a two-phase flow of an outlet of a first evaporator; and an ejection flow of an ejector of the external ejection type refrigeration circulation system is ammonia water at an outlet of a condenser in the Kalina circulation system, and an ejected flow is a two-phase mixture at an outlet of an evaporator.
Owner:SHANDONG UNIV

Solar energy thermochemistry combined cool-heat-electricity system

The invention provides a solar energy thermochemistry combined cool-heat-electricity system. Solar energy and fossil fuel are utilized complementarily based on a chemical energy and physical energy cascade utilization principle, exhaust heat of a high-temperature section of an internal combustion engine is stored in a way of sensible heat of conduction oil, and when synthesis gas supplied by a solar energy thermochemistry reaction unit cannot meet the user demand, chemical recuperation cycle driven by the sensible heat of the conduction oil is adopted to complement the amount of synthesis gas; the power capability of the solar energy and middle-low temperature exhaust heat is improved, the loss of available energy during a fuel combustion process is reduced, the influence of solar energy intermittence and instability on the operational stability of a solar energy utilization system is reduced to some extent, the operational reliability of the system is improved, the efficient storage of solar energy and the flexible control of cool-heat-electricity output ratio are realized, and the real-time changing energy using demand of a user can be met.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI

Double-limb thin-wall pier with swing self-resetting function and for rigid-frame bridge

The invention discloses a double-limb thin-wall pier with a swing self-resetting function and for a rigid-frame bridge, belonging to the technical field of piers. The double-limb thin-wall pier comprises: a bearing platform; a girder, which is arranged right above the bearing platform; a double-limb pier, which is provided with two pier columns that are parallel to each other and used for supporting the girder, and structures at the joints of the double-limb pier, the bearing platform and the girder are swing structures and can swing at the joints; prestressed reinforcing steel bars, which are longitudinally fixed in each pier column of the double-limb pier, wherein one ends of the prestressed reinforcing steel bar extend out of the end parts of the pier columns of the double-limb piers, penetrate through the joints and extend into the corresponding bearing platform or the girder to be fixed; and ductile steel bars, which are arranged at the joints of the double-limb pier, the bearing platform and the girder, wherein one ends of the ductile steel bars extend into the end parts of the pier columns of the double-limb pier to be fixed, and the other ends of the ductile steel bars extend into the corresponding bearing platform or girder to be fixed. Such a swing pier self-resetting system is applicable to high-pier and large-span continuous rigid frame bridges, has great significance in improving the safety and disaster prevention capacity of high-pier and large-span bridges in mountainous areas, and is controllable in earthquake damage and high in post-earthquake recovery speed.
Owner:JIANGSU OPEN UNIV

Coal-fired power plant peak regulation system based on integrated heat storage system

InactiveCN109210613ACustomizeMeet thermal and electrical load needsLiquid degasificationSpace heating and ventilation detailsEngineeringPower unit
The invention belongs to the technical field of coal power and particularly relates to a coal-fired power plant peak regulation system based on an integrated heat storage system. The coal-fired powerplant peak regulation system mainly comprises the integrated heat storage system, a coal-fired boiler, a high-and-medium-pressure cylinder, a low-pressure cylinder, a condenser, a power generator andelectrothermal conversion equipment. The integrated heat storage system is used to store heat of heat source such as boiler flue gas, high-and-medium-pressure cylinder inlet stream, low-pressure cylinder inlet steam and the electrothermal conversion equipment, and therefore, the task of peak regulation of a thermal power unit can be completed according to needs. According to the coal-fired power plant peak regulation system, a peak regulation requirement and an energy demand can be considered at the same time, a heat storage heat source and a heat storage user are flexibly selected, and the peak regulation range and the operational reliability of the power generation of a coal-fired power unit can be significantly improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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