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69 results about "Energy coupling" patented technology

Energy coupling. Definition. (1) Transfer of energy from catabolism to anabolism, or transfer of energy from exergonic process to endergonic process. (2) Free energy (from ATP hydrolysis) is coupled or functionally linked to the energy needs of another chemical reaction.

Carbon emission dynamic metering and tracking method, device and equipment for multi-energy complementary system

The invention relates to the technical field of carbon emission tracking, and discloses a multi-energy complementary system carbon emission dynamic metering and tracking method, device and equipment, and the method comprises the steps: obtaining real-time operation data of electric power, thermal power, gas and energy storage in a multi-energy complementary system and carbon emission related data; calculating a power side real-time carbon emission factor, a thermal side real-time carbon emission factor and a gas side real-time carbon emission factor of each node in the multi-energy complementary system and a carbon emission factor of the energy storage system in an energy charging and discharging state based on the real-time operation data and the carbon emission related data; based on the real-time carbon emission factor of the power side, the real-time carbon emission factor of the thermal side, the real-time carbon emission factor of the gas side and the carbon emission factor of the energy storage system in the charging and discharging state, calculating the electric carbon emission, the gas carbon emission and the thermal carbon emission of the user; according to the invention, carbon emission factors and carbon emission of electricity, heat and gas of the multi-energy coupling system can be dynamically metered, and more accurate carbon accounting is realized.
Owner:HANGZHOU HUADIAN XIASHA THERMAL POWER CO LTD +1

Supercritical carbon dioxide energy storage and industrial complementary energy coupling circulation system and control method

The invention discloses a supercritical carbon dioxide energy storage and industrial complementary energy coupling circulation system and a control method, and relates to the technical field of energy storage. The waste heat recovery system performs countercurrent heat exchange with carbon dioxide by using high-temperature flue gas generated by combustion of high / coke / converter gas; and the residual cold recovery system uses condensed water of the power plant for cooling carbon dioxide in each link. The compressed carbon dioxide energy storage system compresses and stores carbon dioxide in a high-pressure storage tank. In the compressed carbon dioxide power generation system, high-pressure carbon dioxide is preheated and heated to drive a high-pressure expansion machine to do work and generate power, the carbon dioxide after doing work is heated to drive a low-pressure expansion machine to do work and generate power, and finally the carbon dioxide is cooled, condensed and liquefied through a cooler and a condenser and then returns to a low-pressure storage tank. According to the system, industrial complementary energy is efficiently utilized, stable energy storage and release are achieved, and the energy utilization efficiency is improved. The problem that defects exist in the aspects of industrial gas efficient utilization and energy storage coupling in the prior art is solved.
Owner:XI'AN PETROLEUM UNIVERSITY

Novel VOCs circulating purification method with adsorption storage and plasma catalytic oxidation double-zone coupling

The invention relates to a novel adsorption storage and plasma catalytic oxidation double-zone coupled VOCs (Volatile Organic Compounds) circulating purification method, which at least comprises the following steps of: filling a first catalyst into a non-discharge zone of a reaction tube as an adsorption bed layer, and filling a second catalyst into a plasma discharge zone of the reaction tube as an oxidation bed layer; 2, introducing mixed gas containing volatile organic compound molecules into the reaction tube filled with the adsorption bed layer and the oxidation bed layer in the step 1, and adsorbing to obtain the adsorption bed layer with saturated storage; and switching the mixed gas into mixed gas without volatile organic compound molecules, accurately matching the desorption temperature of the target molecules by utilizing a localized temperature field generated by the plasma, and carrying out oxidation regeneration under the action of the plasma and a second catalyst. According to the method, an energy coupling mechanism between dynamic adsorption and plasma concerted catalytic oxidation is established through sequential control, effective removal of gaseous organic pollutants is guaranteed, and 100% carbon circulation can be achieved.
Owner:DALIAN UNIV OF TECH

Solid hydrogen storage and fuel cell energy coupling system and method

The invention discloses a solid hydrogen storage and fuel cell energy coupling system and method, and belongs to the technical field of fuel cells, the system comprises a solid hydrogen storage module, a combustion cell, a hydrogen storage pipeline, a hydrogen delivery pipeline and a circulation pipeline, the hydrogen storage pipeline is used for inputting hydrogen into the solid hydrogen storage module, the hydrogen conveying pipeline is used for conveying hydrogen output by the solid hydrogen storage module to the fuel cell; the solid hydrogen storage module comprises a plurality of reactors, each reactor is of a double-layer structure composed of a first cavity and a second cavity, the first cavity is filled with a metal hydride bed and a heat exchange pipe penetrating through the metal hydride bed, and first heat exchange fins distributed in the metal hydride bed are installed on the heat exchange pipe; a phase-change material and spiral second heat exchange fins distributed in the phase-change material are arranged in the second cavity; each heat exchange pipe is connected into a circulating pipeline penetrating through the fuel cell, and a circulating medium circularly flowing in the circulating pipeline transfers heat generated by power generation of the fuel cell into the metal hydride bed to promote hydrogen release.
Owner:UNIV OF SCI & TECH BEIJING

A comprehensive utilization system of cooling and electricity based on energy coupling

The present invention relates to a cold-electricity integrated utilization system based on energy coupling, comprising: an LNG receiving station, wherein LNG is gasified into natural gas after being utilized for cold energy by a cold energy power generation and refrigeration system, a liquid air energy storage system, a cold energy air separation system, and a light hydrocarbon separation system. The natural gas then enters the natural gas pipeline network, the gas-fired power generation system, and the natural gas hydrogen production system; the cold energy power generation and refrigeration system utilizes cold energy to generate electricity for self-use within the plant area, with excess electricity transmitted to the power grid, while also producing refrigerated products; the liquid air energy storage system utilizes cold energy to generate electricity for self-use within the plant area, with excess electricity transmitted to the power grid; the cold energy air separation system utilizes cold energy to produce liquid oxygen, liquid nitrogen, and liquid helium; the light hydrocarbon separation system utilizes cold energy to produce ethane and LPG products; the gas-fired power generation system utilizes natural gas to generate electricity and transmits it directly to the power grid; and the natural gas hydrogen production system utilizes natural gas to produce hydrogen. The present invention can be widely applied to the field of LNG cold energy utilization technology.
Owner:CNOOC GAS & POWER GRP

Heat supply system, heat supply method and equipment based on chemical looping electricity storage

The invention discloses a heat supply system, method and equipment based on chemical looping electricity storage. The heat supply system comprises an energy storage unit and an energy release unit which achieve energy coupling through a metal-oxygen carrier exchange system. The energy storage unit comprises a heat pump assembly, a reduction reactor and a first heat exchange assembly, the heat pump assembly and the reduction reactor are both connected with the first heat exchange assembly, and water flowing through the heat pump assembly exchanges heat with oxygen discharged by the reduction reactor through the first heat exchange assembly; the energy release unit comprises an oxidation reactor and a second heat exchange assembly, the oxidation reactor is connected with the second heat exchange assembly, and water flowing into the second heat exchange assembly exchanges heat with flue gas discharged by the oxidation reactor. By combining a chemical looping electricity storage technology with a heat supply system, electric energy is converted into high-density chemical energy by using a reduction reactor and stored in a metal oxygen carrier in the period of sufficient green electricity; and during the period of insufficient green power, chemical energy stored in the metal oxygen carrier is released by using the oxidation reactor and is used for producing hot water or steam. According to the system, cross-time-space conversion and flexible scheduling among electric energy, chemical energy and heat energy are achieved, so that the comprehensive utilization efficiency of energy and the heat supply reliability are improved, and meanwhile the operation cost is reduced.
Owner:GANZHOU HUAAN ENERGY TECHNOLOGY CO LTD +1

Filter integrated backwashing system based on reverse osmosis concentrated water reuse and energy recovery

The invention relates to the technical field of water treatment, and discloses a filter integrated backwashing system based on reverse osmosis concentrated water reuse and energy recovery, which is characterized in that a gas-liquid injection device is integrated, high-pressure concentrated water discharged by reverse osmosis is used as a unique power source, backwashing fluid is directly output, and a backwashing water pump and a scrubbing fan which are independently arranged in a traditional system are replaced. The system integration complexity is greatly reduced, the installation and debugging workload is reduced, the coordination control problem among multiple devices can be improved, and the system is more compact in structure and more reasonable in layout. Meanwhile, the pressure potential energy of the reverse osmosis concentrated water is directly converted into kinetic energy for driving the backwashing process of the filter, a fan and a water pump which are completely driven by external electric energy in the traditional process are replaced, energy coupling and recycling of the system are realized, and the pressure energy which is originally wasted through energy dissipation is effectively utilized; and the power consumption in a backwashing link is directly reduced, so that the energy utilization efficiency of the system is improved.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Cross-medium energy coupling recycling method and system in switching of main power and auxiliary power

The invention discloses a cross-medium energy coupling recycling method and system in main and auxiliary power switching, and relates to the technical field of ship power system energy recovery, and the method comprises the steps: capturing a multi-medium waste energy flow in a ship main and auxiliary power switching process in real time through a multi-mode sensing network; generating a feature data set comprising an energy entropy mapping table, a medium compatibility matrix and a dynamic recoverable threshold; calculating an optimal energy conversion path and a storage strategy, and generating a multi-objective optimization decision set; the heterogeneous energy recovery device is driven to execute cross-medium energy coupling operation, and energy conversion efficiency and system stability indexes are fed back in real time; and according to the deviation degree between the feedback data and a preset energy efficiency target, generating an energy reutilization efficiency evaluation report and a model adaptive log. According to the cross-medium energy coupling recycling method and system in main and auxiliary power switching, the energy recycling efficiency under the condition of ship working condition transition is improved.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Electricity-hydrogen-chemical-storage-heat multi-energy coupling system intelligent regulation and control simulation verification platform and method based on distributed architecture

PendingCN121980746AEnsure multiple capabilities complement each otherEnsure feasibilityData processing applicationsDesign optimisation/simulationPower balancingEnergy coupling
The invention relates to an electricity-hydrogen-chemical-storage-heat multi-energy coupling system intelligent regulation and control simulation verification platform and method based on a distributed architecture, and the platform comprises an energy management and control platform which employs a cross-time-scale layered regulation and control architecture and comprises an optimization scheduling layer and a cooperative control layer; the optimization scheduling layer generates a multi-time scale scheduling instruction from a second level to a day level based on a multi-target dynamic optimization function; the cooperative control layer receives an instruction of the optimization scheduling layer, and executes real-time electricity-hydrogen-storage-heat cooperative frequency and voltage regulation control through a power balance controller, a heat supply network balance controller and a hydrogen transmission balance controller; the distributed simulation system is used for truly simulating dynamic behaviors of the physical system; and the timing system is used for providing a global clock synchronization signal for the energy management and control platform and the distributed simulation system. According to the method, a high-precision, high-real-time and high-reliability simulation verification means is provided for coal-based chemical green low-carbon transformation, the engineering risk can be remarkably reduced, and the flexibility and economical efficiency of the system are improved.
Owner:CHINA DATANG GRP TECH INNOVATION CO LTD

A multi-energy coupling-based comprehensive energy system optimization scheduling method

PendingCN122656209ASolid carbonMethanation
The application provides a kind of integrated energy system optimization scheduling method based on multi-energy coupling, including the system model of renewable energy, electrolytic cell, methanation equipment, oxygen-enriched combustion heat and power cogeneration unit, carbon capture device, electrolytic molten salt device, ammonia production equipment, thermal power unit and grid-connected interface;Establish the circulation relationship of hydrogen, oxygen, carbon and ammonia: electrolytic cell uses renewable surplus power to electrolyze water to produce hydrogen and oxygen, and oxygen is supplied to oxygen-enriched combustion unit for combustion support;Carbon capture device captures CO2 from the unit and distributes it to methanation equipment and electrolytic molten salt device;Methanation equipment uses hydrogen and CO2 to produce methane for unit fuel;Electrolytic molten salt device decomposes CO2 into solid carbon and oxygen, and oxygen is recycled to the unit;Ammonia production equipment uses hydrogen to produce ammonia, and ammonia is sent to thermal power unit for blending combustion;Establish a carbon quota and emission calculation model containing units, thermal power and purchased power;Build a low-carbon scheduling model with the minimum total operating cost as the target, and solve the optimal output plan of each unit.
Owner:FUZHOU UNIV

Tubular multi-source energy coupling catalytic reactor and system

The present invention provides a tubular multi-source energy coupling catalytic reactor and system, relating to the technical field of tubular reactors. The reactor includes a transparent inner tube, a transparent outer tube, a first flange, a second flange, a radio frequency feed port, a pull rod, and an inner sleeve. The first flange and the second flange are respectively installed at both ends of the inner tube and the outer tube to form a reaction space. The catalytic reactor is provided with a radio frequency feed port, and the inner circumferential surface of the outer tube is provided with a metal reflective surface, and a light-transmitting hole is provided on the reflective surface for light to pass through and directly illuminate the inner tube, and has the function of shielding and reflecting scattered light; the inner sleeve extends into the inner tube to provide a temperature-sensitive heating tube in the inner sleeve, and a vacuum or low thermal conductivity gas is placed between the inner and outer tubes to reduce the energy dissipation of the system. In this way, by providing the radio frequency feed port, the inner sleeve, and the light-transmitting hole, the above-mentioned reactor can be used to realize independent operation of light, heat, and radio frequency according to the situation, and can also realize catalytic reaction systems such as light-heat, light-radio frequency, and light-heat-radio frequency coupling.
Owner:BEIJING PERFECTLIGHT SCI & TECH

Natural gas boiler flue gas white smoke elimination waste heat recovery energy optimization scheduling method

The invention relates to the technical field of natural gas boiler energy scheduling, and discloses a natural gas boiler flue gas white smoke elimination waste heat recovery energy optimization scheduling method. The method comprises the steps that gas-fired boiler flue gas parameters and user side heat energy demand parameters are collected, and the recovery heat threshold value of a first-stage condensation waste heat recovery system and the heat exchange load range of a second-stage white smoke elimination heat exchange system are determined according to the flue gas parameters; a multi-energy coupling scheduling strategy is generated by combining the operation state data and the environment temperature and humidity parameters of the four-pipe air source heat pump unit; according to the strategy, the heat energy supply proportion of the floor heating system and the air conditioner heating system is distributed, and the two-stage system operation mode is dynamically adjusted; and based on the real-time heat energy supply and demand deviation correction scheduling strategy, outputting a final energy scheduling instruction. According to the method, flue gas waste heat can be fully recycled, multi-energy collaborative scheduling and heat energy supply and demand matching are achieved, and the white smoke phenomenon is avoided.
Owner:陕西省建筑设计研究院(集团)有限公司

Environment-friendly and energy-saving sewage treatment device

The environment-friendly and energy-saving sewage treatment device comprises a buffer pool, the buffer pool is a pool body of a rectangular structure, one side of the buffer pool is provided with a primary separation pool, the primary separation pool is communicated with the top of the buffer pool, the top of the primary separation pool is provided with a primary separation structure, and the top of the primary separation pool is provided with a secondary separation structure. A kinetic energy power generation treatment system is arranged on one side of the primary separation tank; according to the environment-friendly and energy-saving sewage treatment device, energy self-sufficiency is achieved through the kinetic energy-wind energy dual-mode power generation system, the comprehensive energy utilization efficiency of the sewage treatment power generation system is improved, the energy recovery efficiency is improved by combining energy coupling of the transmission mechanism and intelligent energy storage management, the dual-mode power generation system is compact in structure, and the energy utilization efficiency is improved. The space utilization rate is effectively improved, the power generation complementary energy and the power of power generation can be fed to the separation / dosing process, closed-loop improvement of the treatment efficiency is formed, and the efficient, energy-saving and compact sewage treatment target is achieved.
Owner:中沃环境科技有限公司

A methanol carbonylation reactor and evaporator energy coupling system

The utility model provides a kind of methanol carbonylation reactor and evaporator energy coupling system, wherein the coupling system includes sequentially connected carbonylation primary reactor and carbonylation secondary reactor, wherein the bottom of the carbonylation primary reactor is provided with stirring paddle, the paddle surface is coated with nano rhodium catalyst coating, the sidewall of the carbonylation primary reactor is provided with jacket type gradient heating device;The inside of the carbonylation secondary reactor is provided with helical rising type deflector, and the deflector surface is provided with micron scale groove structure.The utility model improves the conversion rate and acetic acid yield of methanol carbonylation reaction by optimizing reactor structure, strengthening mass transfer and heat transfer process and realizing high-efficiency energy recovery, while reducing energy consumption.
Owner:NANJING YANCHANG REACTION TECH RES INST CO LTD

Multi-stage enhanced CO2 hydrate method seawater desalination system and method based on LNG (Liquefied Natural Gas) cold energy gradient utilization

The invention discloses a multistage enhanced CO2 hydrate method sea water desalination system and method based on LNG cold energy gradient utilization, and belongs to the technical field of sea water desalination, the system comprises the following modules: a cold energy gradient module, which uses LNG cold energy to precool sea water for freezing desalination, and provides cold energy for hydrate generation; the micro-bubble enhanced generation module is used for improving the gas mass transfer efficiency and generating high-purity CO2 hydrate in a stepped manner through two stages of generation chambers; according to the waste heat-flash evaporation decomposition module, the high-purity CO2 hydrate is preheated and decomposed through flue gas waste heat, and then CO2 and fresh water are obtained through instant decomposition through vacuum flash evaporation. According to the multistage enhanced CO2 hydrate method seawater desalination system and method based on LNG cold energy gradient utilization, through cold energy graded utilization, mass transfer enhancement and energy coupling, the fresh water yield is increased, energy consumption is reduced, the CO2 capture rate is increased, and the system and method are suitable for large-scale industrial application.
Owner:TIANJIN UNIV

Hybrid hydrogen production comprehensive energy system multi-time scale optimization scheduling strategy based on hydrogen-electricity-heat multi-energy coupling

A hybrid hydrogen production comprehensive energy system multi-time scale optimization scheduling strategy based on hydrogen-electricity-heat multi-energy coupling comprises the following steps that 1, a hydrogen-electricity-heat energy coupling mechanism is analyzed, and a PEM electrolytic bath and gas hydrogen production hybrid hydrogen production model and models of an electric boiler, a hydrogen storage tank, a hydrogen fuel cell, a heat storage device and the like are established; 2, constructing a cost model of the hybrid hydrogen production comprehensive energy system; 3, constructing output constraint and power balance constraint of each device in the hybrid hydrogen production comprehensive energy system; and 4, analyzing load and wind power output characteristics, and establishing a multi-time-scale optimization scheduling model of the hybrid hydrogen production comprehensive energy system. According to the optimization scheduling strategy, by establishing the hybrid hydrogen production model and the multi-time-scale optimization scheduling strategy, the flexibility of hydrogen energy is improved, the system cost error under different time scales is reduced, and the system cost and carbon emission are effectively reduced.
Owner:CHINA THREE GORGES UNIV

Electrolytic iron system based on multi-energy coupling and surface topography multi-scale control method

The invention belongs to the field of energy and metallurgy. Specifically, the invention discloses an electrolytic iron system based on multi-energy coupling and a surface topography multi-scale control method. A nano-micro-scale special surface microstructure is constructed on the cathode seed plate through a combined process of laser engraving, sand blasting treatment, anodic dissolution and photovoltaic current pre-coating. And meanwhile, magnetic field ultrasonic microwave multi-physical field enhanced ore phase reconstruction, acidolysis, anodic dissolution, photovoltaic current pre-coating, iron electrolysis and other procedures are adopted, and the reaction performance is improved. In the multi-scale control process of the surface appearance of the electrolytic iron, a multi-energy coupled clean energy supply system is adopted. According to the method, the non-uniform deposition problems such as cracking, blackening and dendritic crystals in the iron electrolysis process can be remarkably inhibited, and the current efficiency and the production stability are improved. The method is suitable for surface morphology regulation and control of pure iron prepared through large-scale continuous iron ore electrolysis, and has the advantages of being high in efficiency, low in energy consumption, free of pollution, ultralow in carbon dioxide emission and the like.
Owner:ANSTEEL GROUP MINING CO LTD +1

Te-based hybrid halide luminescent material and preparation method thereof

The invention relates to the technical field of luminescent material synthesis. The invention provides a Te-based hybrid halide luminescent material and a preparation method thereof. The luminescent material is of a zero-dimensional organic-inorganic hybrid crystal structure and comprises [TeCl6] < 2-> anions and organic phosphonium cations (C25H21PCl) < + > containing polar substituent groups. The preparation method comprises the following steps: dissolving tellurium dioxide in hydrochloric acid; continuously adding (2-chlorobenzyl) triphenyl phosphonium chloride, and reacting to generate a precipitate; centrifugally separating the precipitate, and drying under a vacuum condition to obtain intermediate powder; dissolving the powder in acetonitrile; and putting the solution into a sample bottle, putting the sample bottle into a sealed container containing diethyl ether, and carrying out solvent diffusion crystallization to obtain the luminescent material. According to the luminescent material, energy coupling and non-radiation loss between luminescent units are reduced, excitation energy can be more sufficiently converted into radiation luminescence, the luminous efficiency is improved, the luminescent material can be better matched with a blue light wave band, and the luminescent material is suitable for application scenes such as high-brightness solid-state illumination and photoelectric display.
Owner:YUNNAN MINZU UNIV

Seawater trapping system based on carbon dioxide

According to the system based on carbon dioxide seawater trapping, in the system, a carbon dioxide seawater trapping subsystem directly traps carbon dioxide from seawater; the methanol synthesis subsystem is connected with the carbon dioxide seawater trapping subsystem so as to react hydrogen with carbon dioxide to synthesize methanol; the heat pump subsystem is used for recovering waste heat, improving quality and supplying heat to the low-temperature multi-effect evaporation seawater desalination subsystem; the low-temperature multi-effect evaporation seawater desalination subsystem is connected with the heat pump subsystem and uses waste heat energy as a driving heat source, and at least part of fresh water produced by the seawater desalination subsystem is conveyed to the hydrogen production subsystem to serve as electrolysis raw material water to form a water resource closed loop; the heat pump subsystem forms an energy coupling hub to achieve gradient utilization of waste heat in the hydrogen production and synthesis process to seawater desalination.
Owner:XI AN JIAOTONG UNIV

Energy coupling closed-loop recycling and pressurizing system for carbon dioxide phase change fluid

An energy coupling closed-loop recovery pressurization system for carbon dioxide phase change fluid is characterized in that an entanglement cavity is communicated with a recovery unit, the recovery unit is communicated with a condensation liquefaction module, a preheater and a high-pressure fluid generation module, and the high-pressure fluid generation module is communicated with the entanglement cavity. Gas is collected and compressed twice by the compression unit, compression heat is supplied to the preheater, the gas is liquefied into liquid by the condensation and liquefaction module, the liquid is heated by the preheater, then the liquid is pressurized by the high-pressure fluid generation module to obtain fluid, and the fluid enters the entanglement cavity and is sprayed as fluid jet flow; compression is divided into two times, compared with one-time compression, energy consumption is reduced, and heating energy consumption of the preheater is also reduced through recycling of compression heat. Therefore, when non-aqueous medium fluid is adopted for fiber web entanglement, the energy consumption of fluid phase state treatment is low, and a heat recycling function is achieved.
Owner:WUHAN TEXTILE UNIV

Apparatus and method for separating a mixture of methyl chloride and isobutane

The application provides a device and method for separating a mixture of chloromethane and isobutane, comprising an extractive rectification tower, a chloromethane and isobutane mixture feeding port, an extractant feeding port and a chloromethane gas phase outlet arranged on the extractive rectification tower; the extractant fed by the extractant feeding port comprises n-hexane and / or isohexane; a cooler connected with the bottom of the extractive rectification tower; an extractant recovery tower connected with the cooler; an isobutane recovery unit connected with the top of the extractant recovery tower; an extractant recovery tower tank reboiler connected with the bottom of the extractant recovery tower, and an extractant buffer tank connected by a pipeline. The application can separate chloromethane and isobutane and obtain high-purity chloromethane and isobutane by using the above device and a specific kind of extractant; in addition, the device uses energy coupling technology and has low energy consumption.
Owner:CHAMBROAD CHEM IND RES INST CO LTD

Energy coupling variable pressure refining of butylamine separation and purification system and process

The application provides a separation and purification system and process for energy coupling variable pressure refining of butylamine, which comprises atmospheric azeotropic distillation of butylamine raw material containing water to separate a first distillate and a first still residue; pressure azeotropic distillation of the first distillate to separate a second distillate and a first target product; refluxing of the second distillate and atmospheric azeotropic distillation with the first still residue and butylamine raw material containing water to separate a third distillate and a third still residue, wherein the third still residue comprises n-butylamine, di-n-butylamine and tri-n-butylamine; distillation of the third still residue to separate a second target product, a third target product and a fourth target product; and the reaction conditions are selected from at least one of the following: a reflux ratio of 1.6-3.0 and a temperature of 43-63 DEG C for the atmospheric azeotropic distillation; and a reflux amount of 535 kg / h-2470 kg / h for the second distillate. The system and process of the application can greatly reduce equipment and operation costs on the basis of obtaining high-purity n-butylamine, di-n-butylamine and tri-n-butylamine products.
Owner:SHANGHAI DONGGENG CHEM TECH CO LTD

Coal gas dynamic scheduling method and system for realizing efficiency optimization of coal gas-steam-electric power energy conversion equipment system

The invention specifically discloses a coal gas dynamic scheduling method and system for realizing efficiency optimization of a coal gas-steam-electric power energy conversion equipment system, and the method comprises the steps: constructing a graded coal gas-steam-electric power equipment system, classifying unit layers, and realizing layered utilization and dynamic coupling of energy; constructing an energy coupling conversion matrix, describing a system topological relation, energy flow distribution and efficiency change, reflecting differentiated contributions of equipment and units to the system by using dynamic weights, establishing an adaptive gas-steam-power energy concentrator model, and modeling energy conversion and transfer relations of each level; collaborative optimization scheduling is carried out on equipment start and stop and system energy efficiency under the condition of gas supply fluctuation, and self-adaptive adjustment of a start and stop plan and a gas distribution strategy is achieved. By adopting the technical scheme, the purposes of minimizing the starting and stopping idle cost and maximizing the energy efficiency of the equipment system are taken as targets, energy conversion fuel distribution is dynamically refined, and energy efficiency collaboration and energy utilization maximization between the equipment are achieved.
Owner:CHONGQING UNIV

A method and device for modeling a hydrogen energy storage system of an offshore integrated energy platform

The application discloses a kind of offshore integrated energy platform hydrogen energy storage system modeling method and device, belong to integrated energy technical field;Method includes: establishing the multi-energy coupling structure including electrolytic cell, compressor, depleted oil and gas reservoir and hydrogen fuel cell;From energy conservation and mass balance, the dynamic constraint model of internal pressure, temperature, capacity and flow of the depleted oil and gas reservoir is established;Based on energy transfer and system balance principle, the connection model of hydrogen energy between preparation, compression, storage and reuse links is constructed, to obtain the total power consumption, total power supply and internal hydrogen flow balance relationship of the hydrogen energy storage system;Based on the multi-energy coupling structure, dynamic constraint model and connection model, select the self-loss rate of the depleted oil and gas reservoir hydrogen storage, injection process efficiency, production process efficiency and the offshore integrated energy platform modification cost as variable, carry out parameter sensitivity and robustness analysis, assess the energy conversion efficiency and economic performance of the hydrogen energy storage system.
Owner:SOUTHEAST UNIV +1

Water-wind-solar complementary power generation and flood control dispatching optimization method considering water energy storage

The invention provides a water-wind-light complementary power generation and flood control scheduling optimization method considering water energy storage, and relates to the field of reservoir optimization scheduling, the method considers a pumped storage power station taking a built reservoir as a lower reservoir or a reversible unit taking the built reservoir as an upper reservoir and a lower reservoir, and constructs a water-wind-light complementary power generation and flood control scheduling optimization model; and solving the water-wind-light complementary power generation and flood control scheduling optimization model by using a reference point-based non-dominated solution sorting genetic algorithm to obtain a three-target Pareto curved surface and a compromise solution, and outputting corresponding water level, flow and power generation process to complete optimization of water-wind-light complementary power generation and flood control scheduling. According to the method, the hydropower dispatching decision problem faced by multi-power-supply cooperative operation and water safety guarantee in a water-energy coupling system under the background that wind-solar new energy high-proportion power generation of a novel electric power system tends to be strong and tends to be frequency of climatic change flood events is solved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Annular focusing single-mode microwave photo-thermal reaction system based on double-temperature one-image temperature measurement

The utility model discloses an annular focusing single-mode microwave photo-thermal reaction system based on double-temperature one-image temperature measurement, which comprises a gas supply unit, a synthetic reaction unit and a reactant analysis unit which are connected in sequence, and a temperature measurement unit is mounted on the synthetic reaction unit; the synthesis reaction unit comprises an annular single-mode microwave synthesis reactor and a quartz reactor, and the annular single-mode microwave synthesis reactor provides heat for a catalytic reforming area in the quartz reactor; according to the utility model, the infrared thermometer is used for measuring the surface temperature of the catalyst, and the thermal imaging high-speed camera is coupled to accurately measure the overall temperature gradient of the catalyst and observe the hot spot effect and the plasma effect in the microwave reaction. Meanwhile, an annular single-mode microwave synthesis reactor is adopted to replace a traditional standing wave single-mode device, and the microwave energy coupling precision and uniformity are enhanced, so that the conversion rate of large-scale reaction is improved, and repeatability and stability are kept. The catalyst can be widely applied to the field of catalytic reforming of tar, and has an ideal application prospect.
Owner:YANTAI NORTH MICROWAVE TECH +1

Process strengthening method and system based on ultrasonic cavitation targeted enrichment and pressure relief blasting atomization

The invention relates to a process strengthening method and system based on ultrasonic cavitation targeted enrichment and pressure relief blasting atomization. The method comprises the following steps: A, a pressurized synergistic cavitation and targeted enrichment step; b, millisecond-level pressure release energy control blasting and atomization; and C, interface instantaneous mass transfer and reaction. According to the process strengthening method, the speed control step of the process is revolutionarily converted into interface behavior control from bulk phase diffusion control, and the order of magnitude of efficiency is improved. The system for implementing the method has the characteristics of high integration, energy coupling, channelization and modularization, various traditional unit operations are replaced by strategic storage and controllable release of energy, energy consumption is greatly reduced, and equipment miniaturization is realized.
Owner:SHANGHAI XINGQUAN ELECTRIC POWER TECH CO LTD

Nuclear energy coupling photocatalytic water splitting hydrogen production system and hydrogen production method

The invention relates to the technical field of nuclear energy-light energy coupling hydrogen production, and discloses a nuclear energy coupling photocatalytic water splitting hydrogen production system and a hydrogen production method. The nuclear energy coupling photocatalytic water splitting hydrogen production system comprises a photocatalytic reaction unit used for decomposing an aqueous solution containing a sacrificial agent under the action of a photocatalyst to produce hydrogen; the thermal chemical reaction unit is connected with the photocatalytic reaction unit and is used for receiving ammonium sulfate generated by the photocatalytic reaction and performing thermal chemical decomposition to generate oxygen; the gas absorption and regeneration unit is connected with the thermochemical reaction unit and is used for absorbing and regenerating gas generated by thermochemical decomposition into a sacrificial agent and returning the sacrificial agent to the photocatalytic reaction unit; and the nuclear energy heat supply unit is used for providing heat required by reaction for the thermal chemical reaction unit. Solar energy and nuclear energy are efficiently cooperated, the hydrogen purity is larger than or equal to 99.9%, the comprehensive energy efficiency of the system is larger than or equal to 85%, the problem of consumption of a traditional photocatalytic sacrificial agent is solved, and a new path is provided for large-scale production of green hydrogen.
Owner:HUANENG SHANDONG SHIDAOBAY NUCLEAR POWER CO LTD

Three-dimensional non-equilibrium phase change calculation method suitable for small break water loss accident

The invention relates to a three-dimensional non-equilibrium phase change calculation method suitable for a small break water loss accident. The three-dimensional non-equilibrium phase change calculation method comprises the steps that S1, an idealized rigid heat insulation pipeline model containing an equivalent break structure is constructed; s2, constructing a Lee model with a relaxation time correction term, a Zwart--Gerber--Belamri model, an interface heat transfer model, an interphase acting force model and a turbulence model, and obtaining an interphase source term through the models; s3, establishing a double-fluid control equation, and realizing mass, momentum and energy coupling between a gas phase and a liquid phase through an interphase source item; s4, establishing a thermophysical parameter dynamic mapping mechanism based on IAPWS-IF97 industrial water and water vapor thermodynamic property standards, dynamically obtaining thermophysical parameters of a gas phase and a liquid phase, and feeding back the thermophysical parameters to the step S2 and the step S3; and S5, carrying out numerical discretization and solution on the double-fluid control equation to obtain a response rule of unbalanced phase change under different crevasse sizes. According to the method, the simulation precision of the two-phase flow phase change problem under the high transient and unbalanced background is effectively improved.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Refrigerating method of all-vanadium liquid flow energy storage refrigerating system

The invention relates to the technical field of energy storage and refrigeration, in particular to a refrigeration method of an all-vanadium redox flow energy storage refrigeration system.The all-vanadium redox flow energy storage refrigeration system comprises an all-vanadium redox flow energy storage unit used for achieving storage and release of electric energy, and a heat management system of the all-vanadium redox flow energy storage refrigeration system can collect heat generated by an electric pile; a heat dissipation and heating device is arranged to ensure that the electric pile runs at a proper temperature; the refrigerating unit is an absorption type refrigerating unit and is used for refrigerating by using the heat collected by the all-vanadium liquid flow energy storage unit through the heat management system and the industrial waste heat as heat sources; the system further comprises an energy coupling and integrating device. The control system is connected with the monitoring unit, and the auxiliary device is connected with the safety system. Through a heat management system of the all-vanadium redox flow energy storage system, heat generated by the electric pile is reasonably collected and utilized, meanwhile, industrial waste heat is utilized for heating the electric pile at the low temperature, extra energy consumption is reduced, the heat management system is combined with waste heat of a steel mill to drive an absorption type refrigeration unit, and efficient recycling of the waste heat is achieved.
Owner:HEBEI CONSTR INVESTMENT AVIC SAIHAN GREEN ENERGY TECH DEV CO LTD