42 results about "Energy coupling" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The utility model provides a kind of liquid oxygen phase change expansion rock breaking device based on sodium water reaction, it is related to rock breaking device technical field.The utility model's rock breaking device includes energy storage cavity, trigger assembly and air release component, sodium isolation piece is arranged inside energy storage cavity, and energy storage cavity is divided into the first cavity for filling liquid oxygen and the second cavity for filling deionized water.The utility model passes through trigger assembly and breaks sodium isolation piece, and sodium water violent reaction is caused to release heat, and liquid oxygen phase change expansion forms high temperature and high pressure gas, and directional impact rock realizes crushing.The utility model's rock breaking device is broken by the double-energy coupling rock breaking mechanism of sodium water chemical reaction and liquid oxygen physical phase change, greatly improves the energy generated by gas blasting, improves energy utilization rate, with controllability, high rock breaking efficiency, high safety and wide use range and other advantages.

This invention belongs to the field of rural integrated energy system optimization scheduling and biomass energy utilization technology, specifically involving a collaborative optimization method for energy systems based on waste heat compensation for biogas digester temperature control. The method includes: establishing a system collaborative operation optimization model with the objective of minimizing the annual equivalent operating cost; establishing a thermodynamic and gas production coupling model for the biogas digester, and a hydrogen energy conversion and storage model, and utilizing waste heat generated during hydrogen electrolysis to supplement the heat of the biogas digester; establishing an electro-thermal-gas multi-energy coupling balance model; setting constraints that the northern rural integrated energy system must meet during operation; establishing a seasonal state transfer model for hydrogen storage, biogas storage, and biogas digester temperature; and solving the system collaborative operation optimization model to obtain the optimal operating scheme for the northern rural integrated energy system. This invention can utilize waste heat from electrolysis to compensate for biogas digester temperature, achieving collaborative optimization of the northern rural integrated energy system, and combining the advantages of high energy efficiency and stable system operation.

This utility model discloses a multi-energy coupled thermal storage heat pump unit, including a hot water storage tank. An electric heater is installed on the hot water storage tank. A first delivery pipe and a second delivery pipe are connected to one side of the hot water storage tank. One end of the first and second delivery pipes is connected to a terminal device. A first connecting pipe is connected to the first delivery pipe, and a second connecting pipe is connected to the second delivery pipe. This utility model achieves efficient heat buffering and release, supports peak shaving and valley filling of electricity, improves grid stability, and utilizes off-peak electricity or stored electricity to supplement the heat in the hot water storage tank at night or on rainy days. It achieves multi-energy coupling, and the system can maintain operation through electric heating and energy storage units, achieving all-weather operation capability. It has high comprehensive energy utilization efficiency, significantly reduces carbon emissions, and alleviates peak electricity demand pressure through energy storage and off-peak electricity utilization, achieving energy-saving and environmental protection benefits.

The present application relates to the field of gas phase chemistry and environmental control technology, and specifically to an energy coupling type environmental gas phase transduction method, which sequentially generates active oxygen species by exciting oxygen and water molecules in the airflow through first-stage energy injection, realizes instant oxidation inactivation of pathogens and degradation of organic matter in aerosol, and after completing particle purification through a particle and aerosol removal module, generates active nitrogen species through second-stage energy injection, completes reduction and neutralization of residual active species and releases reaction heat energy, finally realizes reaction energy recycling and output gas temperature and humidity precise regulation through an energy recovery and temperature and humidity regulation unit, realizes self-adaptive regulation of operating conditions based on redox potential and temperature and humidity parameter feedback and supporting intelligent closed-loop control, and has the advantages of significant energy-saving effect, active epidemic prevention, environmental friendliness and wide application range, and can be widely applied to multiple fields such as aerospace, medical treatment and building heating.

The invention discloses a bilayer planning method, system, equipment and medium for an electro-hydrogen alcohol ammonia system, and relates to the technical field of energy system planning and optimizing.The method comprises the steps that basic data are preprocessed, features are extracted, a multi-energy coupling dynamic model is constructed, a bilayer collaborative optimization framework with flexibility and reliability constraints is established, and the bilayer collaborative optimization framework with flexibility and reliability constraints is established through decoupling coordination iteration solution. And optimizing equipment capacity and an operation strategy, outputting an optimal configuration scheme and an operation strategy, and performing verification based on a preset index to realize efficient and reliable planning of the system. According to the method, the double-layer optimization model fusing flexibility and reliability constraints is constructed, so that global optimization of the electro-hydrogen alcohol ammonia system in equipment capacity configuration and operation scheduling is realized, and a scientific decision basis is provided for economic, efficient and reliable planning and operation of the system.

This invention relates to the field of petrochemicals, specifically to an apparatus and method for the application of multiple energy coupling capacity regeneration in LNG receiving terminals and ethylene cracking processes. The apparatus includes: a heating system for heating refrigerant to obtain high-temperature refrigerant; an LNG purification system for receiving the high-temperature refrigerant from the heating system and exchanging heat between the high-temperature refrigerant and LNG to obtain low-temperature refrigerant; an ethylene cracking system for cracking ethylene-containing hydrocarbon feedstock to obtain cracking products; and a separation system for receiving the low-temperature refrigerant from the LNG purification system and the cracking products from the ethylene cracking system, and exchanging heat between the low-temperature refrigerant and the cracking products and / or the cooling medium for the cracking products to obtain medium-temperature refrigerant; wherein the medium-temperature refrigerant outlet of the separation system is connected to the refrigerant inlet of the heating system via a pipeline. This invention reduces production and separation costs and energy consumption.

This invention discloses a method for calculating the coupled energy distribution and aftereffect damage of metal reactive fragments after impact with a target. The invention considers fragment activation under load, energy release from secondary impact with the target, kinetic-chemical energy coupling, and the critical criterion for aftereffect target plate damage. By calculating the fragmentation and activation behavior after the reactive fragment collides with the protective target plate, and obtaining the remaining velocity of the reactive fragment after penetrating the target according to the law of conservation of energy, the fragmentation and scattering behavior behind the target are analyzed to establish a fragment scattering field behind the target. Considering the energy release efficiency of the secondary impact reaction, the kinetic-chemical energy density distribution acting on the aftereffect target plate is obtained. Finally, combined with the critical damage criterion for the aftereffect target plate, the damage area of ​​the coupled energy field on the aftereffect target plate is calculated, achieving a quantitative characterization of the destructive power of the metal reactive fragment on the aftereffect target plate.

This utility model belongs to the field of energy recycling technology, specifically relating to a waste heat recovery device based on a hydrogen-electric-thermal multi-energy coupling integrated energy system. It includes a tank, with a climbing ladder fixedly installed on the outside of the tank. A cap is installed on the top of the tank, and an operating platform is fixedly installed on the outer wall of the cap. The top of the climbing ladder is fixedly connected to the top of the operating platform, and a guardrail is fixedly installed on the outside of the operating platform. In this utility model, when a high-pressure water gun falls from the operating platform, the water supply pipe remains inside a blocking ring and does not fall completely with the water gun. At this time, workers can promptly pull the water supply pipe to stop the high-pressure water gun from falling and simultaneously pull it back to the operating platform through the water supply pipe, allowing workers to continue working. This prevents the high-pressure water gun from falling directly to the ground and interrupting the cleaning work, and also avoids damage to the high-pressure water gun, thus ensuring the normal progress of the cleaning work and improving its efficiency.

The present application relates to heat pump unit technical field, provide a kind of composite energy coupling system and control method thereof, composite energy coupling system includes water collector, load side water pump, water distributor and water source heat pump and air source heat pump, water source heat pump and air source heat pump are arranged between water collector and water distributor, load side water pump, water source heat pump, air source heat pump and water distributor are connected by pipeline, valve is arranged on the pipeline at different positions, and the on-off state of part of multiple valves is switched according to operating mode to make at least one of water source heat pump and air source heat pump work.Composite energy coupling system can control the flow path of cooling water when operating, and then select the heat pump with the highest energy efficiency to provide service, reduce the overall energy consumption of the system, and a set of composite energy coupling system can meet the use demand of user, reduce initial investment cost, and be conducive to the popularization and use of composite energy coupling system.

The present application belongs to the technical field of distributed state estimation, and provides a chemical industry park distributed state estimation method and system considering multi-energy substance flow dynamics, according to the time sequence coupling of electric and thermal heterogeneous energy flow and hydrogen / ammonia / alcohol multi-substance flow and the differentiated dynamic characteristics thereof, a state space model of a power distribution network, a heating network and a chemical material flow network and the like is constructed, and a hydrogen / ammonia / methanol chemical production equipment coupling element model is constructed, thereby constructing a green electricity chemical industry park real-time state estimation model considering substance-energy coupling and dynamic characteristics; taking a particle filtering algorithm as a framework, a distributed state estimation is constructed based on an asynchronous parallel architecture, thereby solving the data privacy problem between the power and chemical subsystems; a green electricity chemical industry park multi-time scale distributed state estimation architecture combined with a new information triggering mechanism is constructed. The present application solves the measurement uploading period difference problem and the calculation resource waste problem caused by the time constant difference between different networks.