519 results about "Hydrogen storage system" patented technology

A source-grid-load-hydrogen storage multi-stage planning method and system considering flexible resources, relating to the technical field of source-grid-load-hydrogen storage system planning. The method comprises: collecting source-grid-load-hydrogen storage data for data preprocessing; constructing a flexibility supply and demand characteristic model and a source-grid-load-hydrogen storage multi-stage dynamic planning model; calling a solver to solve the source-grid-load-hydrogen storage multi-stage dynamic planning model to obtain an optimal solution; and outputting a multi-stage source-grid-load-hydrogen storage investment result, a multi-stage source-grid-load-hydrogen storage operation policy, and a multi-stage flexibility supply evaluation result within a planning period. Using the minimization of investment costs, operation costs, and insufficient flexibility penalty costs within the whole planning period as target functions, various constraints such as a new energy permeability constraint and a load loss rate constraint are introduced, a dynamic planning method is proposed, and a source-grid-load-hydrogen storage multi-stage planning solution that has sufficiently economical planning operation and is sufficiently flexible is obtained. According to a processing method based on piecewise linearization, the model is simplified, and the computation speed is increased.

The invention provides a minute-level intelligent scheduling method and system for hydrogen-based energy prepared from renewable energy, and relates to the technical field of energy management and intelligent scheduling, and the method comprises the steps: obtaining data of power generation equipment, hydrogen production equipment and a hydrogen storage system, adaptively adjusting the length of a dynamic time window based on the power generation fluctuation frequency, and generating a fluctuation feature sequence; and constructing a minute-level intelligent scheduling model, optimizing a hydrogen production power regulation instruction by utilizing a mutual feedback correction parameter, calculating an optimal power transfer path when an abnormality is detected, and executing stepped load reduction turn-off. The operation stability of the hydrogen production system can be improved, efficient utilization of generated power is achieved, and the operation risk of the system is reduced.

The invention discloses a tunnel hydrogen energy vehicle leakage and explosion risk prediction and automatic ventilation emergency disposal method, and belongs to the technical field of hydrogen leakage accident risk prediction and emergency disposal. According to the method, the potential leakage point of each component is determined by obtaining hydrogen-related component information of the hydrogen fuel cell vehicle. An accident tree is used to identify a root cause that may cause hydrogen leakage in the system, and then different accident scenarios are defined. And according to the leakage scenes of different hydrogen-related parts, determining the leakage frequency and the complete fracture frequency, and determining the disaster category. And finally, according to the leakage probability, the ignition probability and the consequences of different accident situations, calculating the comprehensive probability of disaster occurrence. And in combination with a hydrogen concentration sensor array arranged in the tunnel, the longitudinal ventilation air speed and the transverse exhaust air rate are automatically analyzed and adjusted, and the optimal economical, safe and efficient combined ventilation array is obtained according to risk indexes. The method can effectively predict the disaster-pregnant risk of the hydrogen storage vehicle in different environments, provides an economic and safe emergency disposal scheme, and can provide a theoretical basis for the safety technology development of a hydrogen storage system.

The invention discloses a dynamic efficiency optimization management and control method for a wind-light hydrogen storage system, which comprises the following steps of: acquiring operating parameters of an electrolytic bath based on a water electrolysis hydrogen production simulation framework of an alkali liquor medium, and analyzing joint probability distribution and correlation coefficients of historical wind-light data through a wind-light photovoltaic synergistic effect model; constructing a system load accommodating setting model; when the frequency or voltage fluctuation of the power grid is detected, starting a quasi-synchronous electric element regulation and control framework PSEERA, and adjusting the output power through a droop control equation; the comprehensive performance indexes are optimized by adopting a Ling-tuned chaos infinitesimal search (SACMESA) algorithm, and main control factors are extracted through a multi-element optimization evolution (BKEAMOEA) algorithm analyzed according to key elements to carry out multi-objective optimization; implementing a scattered point type cooperative control strategy including bottom-layer equipment control, middle-layer energy management and upper-layer system scheduling, and realizing cross-level dynamic optimization; the peak regulation and frequency modulation capability, the safety and the stability of the power grid are remarkably improved.

The invention discloses a multi-hydrogen-storage-tank solid hydrogen storage system based on temperature control, and relates to the technical field of hydrogen energy storage, and the key points of the technical scheme are that the system comprises a plurality of hydrogen storage tanks, each hydrogen storage tank adopts different types of alloy hydrogen storage materials, each hydrogen storage tank is provided with an independent temperature control system, and the temperature is adjusted according to the types of the hydrogen storage materials; therefore, the hydrogen storage efficiency is optimized. The system can accelerate the hydrogen storage rate and improve the storage density through temperature control, the heat exchange device is arranged to improve the heat energy management efficiency, and accurate temperature control and cycle counting functions are achieved. The service life of the hydrogen storage material can be effectively prolonged, performance degradation is reduced, and the long-term stability of a hydrogen storage system is improved.

The invention provides a hydrogen storage system control method and device, electronic equipment and a vehicle. The hydrogen storage system control method comprises the steps that gas leakage detection is conducted on a hydrogen pipeline of a vehicle-mounted hydrogen storage system; according to the method, the passage between the target pipeline with the gas leakage fault and the hydrogen source is controlled to be cut off instead of closing the whole hydrogen storage system, so that the hydrogen storage system can continue to work through other pipelines, the reliability of the vehicle-mounted hydrogen storage system is improved, the stability of the hydrogen fuel cell vehicle is guaranteed, and the driving experience is improved.

The invention relates to the technical field of hydrogen storage system testing, and discloses a one-way valve combined hydrogen storage system durability test bench and a test method. A main control computer of the rack is used for configuring test task parameters, coordinating operation of subsystems and processing test data; the high-pressure hydrogen supply subsystem comprises a pressure-adjustable hydrogen source and a pressure closed-loop control module, and can apply accurate and controllable hydrogen pressure to the inlet end of the tested system according to test task parameters; the multi-channel valve state acquisition subsystem acquires the inlet and outlet pressure of the valve, the surface temperature of the valve body and vibration spectrum data in real time through pressure, temperature and vibration sensor arrays arranged at the valves, and transmits the data to the main control computer; the valve action driving subsystem comprises a high-speed electromagnetic actuator array and a displacement feedback module and can drive all valves to execute a preset opening degree sequence and opening and closing frequency. And the durability evaluation subsystem is embedded into the main control computer, calculates the accumulated damage degree of the valve and predicts the residual life cycle.

The invention belongs to the technical field of thermal power plant safety analysis, and relates to a risk assessment method, system and device for a hydrogen storage system of a thermal power plant and a storage medium. Comprising the following steps: collecting operation data of the hydrogen storage system in real time, and preprocessing the data; based on the preprocessed data, utilizing a trained Bayesian LSTM model to predict the hydrogen leakage probability; if the hydrogen leakage probability exceeds a preset threshold value, CFD is combined with the preprocessed data to simulate a diffusion behavior after hydrogen leakage, and the severity of a leakage event is calculated based on a simulation result; and inputting the hydrogen leakage probability and the severity of the leakage event into a Bayesian network model, calculating a risk value, and triggering a grading early warning mechanism according to the risk value. According to the method, the sensitivity and accuracy of risk identification are improved, the scientificity of early warning decision making is enhanced, and intelligent guarantee is provided for safe operation of the hydrogen storage system of the thermal power plant.

The invention relates to an electrolytic hydrogen production and fuel cell waste heat gradient utilization system and method based on an organic Rankine cycle, and belongs to the field of new energy. The system comprises a wind power generation unit, a photovoltaic power generation unit, a storage battery energy storage system, an electrolytic hydrogen production device, a hydrogen storage system, a fuel cell power generation unit, a waste heat utilization unit and an organic Rankine cycle device, and can be used for realizing multi-element consumption and gradient utilization of renewable energy sources. The method specifically comprises the following steps: establishing equipment models in a system, wherein an electrolytic bath considers five states of shutdown, cold start, standby, hot start and standby; on the basis of a mixed integer linear programming method, operation constraints of all equipment, renewable energy output prediction and electricity, heat and hydrogen load requirements are integrated, an optimization scheduling model meeting the electricity, heat and hydrogen load requirements and economical efficiency of the system is constructed, output of all the equipment is coordinated, and finally the optimization targets of maximizing the economical efficiency of the system and meeting the electricity, heat and hydrogen load requirements of the system are achieved.

The invention relates to the technical field of hydrogen energy safety, and provides a hydrogen fuel cell automobile hydrogen leakage diffusion concentration monitoring test device and method.The device comprises a hydrogen storage system, a flow control system, a data acquisition and storage control system and a leakage opening simulation device, the hydrogen storage system comprises a hydrogen cylinder, and the flow control system comprises a plurality of airflow channels arranged in parallel; one end of each gas flow passage is connected with the hydrogen storage system, the other end of each gas flow passage is connected with a leakage port of one leakage port simulation device, each gas flow passage is provided with a plurality of gas flow branches in parallel, and different gas flow branches regulate and control the leakage gas flow by controlling the gas flow or the pressure and the size of the leakage port in a combined manner; according to the automobile hydrogen leakage diffusion test system, the hydrogen leakage diffusion platform of the hydrogen fuel cell automobile and the data acquisition and storage control system are built, so that the diffusion characteristics of the automobile after hydrogen leakage can be tested and analyzed, and the result can assist in making a hydrogen leakage emergency scheme and preventing the occurrence of hydrogen leakage fire explosion.

The invention discloses a solid hydrogen storage system capacity state estimation method. The method comprises the following steps of: firstly, simplifying a high-dimensional numerical calculation model into a lumped parameter model according to a chemical chemistry kinetic equation of solid hydrogen storage / desorption, and then carrying out linearization processing to obtain a state space equation and a linearization model of a solid hydrogen storage system; then designing extended Kalman filtering for monitoring the state of the solid-state hydrogen storage system, estimating the state of the solid-state hydrogen storage system at the future moment by using an extended Kalman filtering algorithm, and accordingly outputting the state of the hydrogen content SOC of the solid-state hydrogen storage system; and finally, predicting and updating the state of the solid-state hydrogen storage system through loop iteration, and adjusting the SOC estimated value of the solid-state hydrogen storage system in real time. According to the method, the phenomenon of error accumulation in hydrogen flow integration can be avoided, the SOC estimation precision is improved, meanwhile, the hydrogen content state of the system is estimated in real time under the dynamic working condition, dynamic control over system operation is guided, and errors caused by measurement noise and model uncertainty are reduced.

The invention relates to a semi-supervised learning data anomaly intelligent identification and treatment system, which is applied to a hydrogen energy commercial vehicle, and comprises a data acquisition and preprocessing module, which is arranged on a vehicle-mounted terminal and is used for acquiring a hydrogen storage system signal, a hydrogen supply system signal, a fuel cell system signal and a whole vehicle system signal in real time, processing the acquired signal data; the semi-supervised anomaly recognition module is arranged on a cloud platform, is connected with the data acquisition and preprocessing module, and is used for fusing the processed signal data into a rule engine and semi-supervised learning, constructing a semi-supervised training data set, and performing deep auto-encoder model training through the data set so as to realize accurate anomaly recognition of few sample scene writing; and the exception treatment and feedback module is arranged at an edge node, is connected with the semi-supervised exception recognition module, carries out exception recognition through a trained model, carries out graded treatment according to the exception severity, and establishes a model evolution mechanism to realize continuous optimization of the system.

The invention discloses a high-porosity organic salt framework confinement nano-metal hydrogen storage material and a preparation method thereof, and belongs to the field of new energy materials. The material takes a carboxylic acid organic salt framework (POS-1) as a carrier, the specific surface area of the material is 1520 m < 2 > / g, the pore size distribution is 1.8-2.5 nm, nano Mg / Ni particles (the average particle size is 3.2 + / -0.5 nm) are confined in pores through a gradient loading and in-situ reduction technology, and an atomic layer deposition (ALD) is adopted to modify a Pd nano catalyst (the loading capacity is 0.48 wt%). The reversible hydrogen storage capacity of the material at room temperature reaches 5.8 wt%, the hydrogen desorption temperature is lower than 80 DEG C, and the capacity retention ratio is larger than or equal to 92% after 100 times of circulation. The preparation method comprises the steps of organic salt framework synthesis, metal precursor gradient loading, low-temperature reduction (250 DEG C), hydrogenation activation and the like, the process is simple and controllable, and the catalyst is suitable for scenes such as a vehicle-mounted hydrogen storage system.

The invention provides a control method and device for an off-grid assembly type photo-hydrogen storage roof building module. The method comprises the steps that whether the real-time generated power of a photovoltaic power generation system meets a first electric quantity storage condition or not is judged; if the real-time power generation power of the photovoltaic power generation system meets the first electric quantity storage condition, judging whether the storable electric quantity of the battery energy storage system meets a second electric quantity storage condition or not; if the storable electric quantity of the battery energy storage system does not meet the second electric quantity storage condition and the storable electric quantity of the hydrogen storage system meets the hydrogen storage condition, inputting redundant electric quantity into the water electrolysis hydrogen production system; if the real-time power generation power of the photovoltaic power generation system does not meet the first electric quantity storage condition, whether the battery energy storage system has residual electric quantity is judged, and a residual electric quantity judgment result is obtained; and if the judgment result of the residual electric quantity is no, starting the hydrogen production system to supply hydrogen to the hydrogen fuel cell heat and power cogeneration system. Occupation of land resources can be reduced, the bottleneck of single energy storage can be broken through, and photo-hydrogen storage synergistic interaction is achieved.

The invention belongs to the technical field of wind and light hydrogen storage resource allocation, and discloses a wind and light hydrogen storage scheduling method based on a sparrow search algorithm and related equipment. The wind-solar hydrogen storage scheduling method based on the sparrow search algorithm comprises the steps of constructing a wind-solar hydrogen storage operation day-ahead profit model according to a scheduling target of a wind-solar hydrogen storage system, obtaining a profit maximization objective function through the wind-solar hydrogen storage operation day-ahead profit model, and solving the profit maximization objective function by adopting the sparrow search algorithm. Obtaining a globally optimal solution, and scheduling the wind and light hydrogen storage system according to the globally optimal solution; the method can overcome the defects that in the prior art, the optimization speed is reduced during optimization scheduling, the randomness of an optimization scheduling result is high, and local optimum is likely to happen.

A retrofit mining haul truck includes a hybrid hydrogen fuel cell / battery-based powerplant in place of a carbon fuel-based powerplant. The retrofit mining haul truck includes a frame, a tray coupled to the frame, and a deck coupled to the frame forward of at least a portion of the tray. A battery system is mounted to the deck of the retrofit mining haul truck. A hydrogen storage system (HSS) is installed in an engine bay volume of the retrofit mining haul truck. The engine bay was configured to contain a combustion engine (e.g., a diesel engine) prior to retrofitting the retrofit mining haul truck. At least a portion of a fuel cell system is installed in a wheel pocket of the retrofit mining haul truck. The wheel pocket was configured to contain a diesel tank prior to retrofitting the retrofit mining haul truck.

The utility model discloses an inerting and discharging combined safety protection device for a solid hydrogen storage tank, and belongs to the technical field of hydrogen storage and supply. The device comprises a solid hydrogen storage tank main body, a pressure and temperature sensing module, an inert gas injection system, a flameless relief device and a hydrogen treatment unit, the pressure and temperature sensing module monitors parameters in the tank in real time, when the parameters exceed a preset threshold value, the inert gas injection system injects inert gas from the lower portion of the tank body at constant pressure, the air pressure is stabilized through flow control, and meanwhile hydrogen is pumped out of an opening in the upper portion of the tank body to the processing unit; and a discharge port is formed in the side surface of the tank body and is linked with the flameless discharge device. According to the device, through the design of inerting inhibition and safe release, the potential safety hazard of overtemperature and overpressure in the solid hydrogen storage process is solved, the stability and safety of a hydrogen storage system are improved, and the device is convenient to operate and adapts to transformation of an existing solid hydrogen storage tank.

The invention relates to the technical field of hydrogen energy storage and control, and discloses a hydrogen storage tank pressure and temperature control method and device based on model predictive control, and the method comprises the steps: determining a hydrogen state equation of a hydrogen storage tank, and constructing a hydrogen mass conservation equation and a hydrogen energy conservation equation; based on the hydrogen mass conservation equation and the hydrogen energy conservation equation, a state prediction model of the hydrogen storage tank state related to the net hydrogen flow change is established, and the hydrogen storage tank state comprises hydrogen pressure and hydrogen temperature; a target function is constructed with the hydrogen storage tank state and the net hydrogen flow as control targets, and constraint conditions are configured; on the basis of the input net hydrogen flow sequence of the state prediction model and the predicted hydrogen storage tank state sequence output by prediction, the target function is subjected to minimum solving, and the optimal net hydrogen flow sequence is obtained through iteration; and adjusting an inlet / outlet valve of the hydrogen storage tank based on the optimal net hydrogen flow sequence. The operation efficiency of the hydrogen storage system can be improved.

An aircraft propulsion module comprises a hydrogen storage system, an electrochemical converter (7) connected to the hydrogen storage system, wherein the at least one electrochemical converter is adapted to convert hydrogen supplied from the hydrogen storage system (12) into electric energy, and an electric motor (5) electrically connected to the electrochemical converter, wherein the electric motor is adapted to generate thrust; wherein the propulsion module comprises at least one separation means (9) adapted to separate at least one component of the propulsion module from the propulsion module. An aircraft comprises at least one such aircraft propulsion module. A method for operating a propulsion module comprises that: during operation of the propulsion module, at least one separation means is actuated, by which actuation at least one component of the propulsion module is separated from the remaining propulsion module and then falls from the remaining propulsion module.

The invention discloses a solid-gas coupling hydrogen storage system and a flow and pressure coordinated regulation and control method thereof. The system comprises a gaseous hydrogen storage tank, a solid hydrogen storage tank, a hydrogen coupling regulation and control device, a hydrogen buffer tank, a solid hydrogen storage thermal management system, a high-pressure proportional valve, a low-pressure proportional valve, a three-way valve and a hydrogen storage valve. The gaseous hydrogen storage tank is connected with the hydrogen coupling regulation and control device through a pipeline, and high-pressure hydrogen is conveyed to the high-pressure inlet end of the hydrogen coupling regulation and control device. The low-pressure inlet end of the hydrogen coupling regulation and control device is connected with the solid hydrogen storage tank through a pipeline, and the outlet end of the hydrogen coupling regulation and control device is connected with the hydrogen buffer tank through a pipeline; and the pipelines of the gaseous hydrogen storage tank and the solid hydrogen storage tank are simultaneously connected with the three-way valve. According to the system, efficient and safe hydrogen storage and supply are achieved through the synergistic effect of all the components, and reliable technical innovation and support are provided for hydrogen energy application.

The invention relates to the field of hydrogen energy storage and supply, and discloses a heat storage system for a hydrogen supply and storage system, comprising: a storage and supply integrated water tank for storing waste heat generated by a fuel cell generator set; the waste heat recovery side water pump is used for conveying waste heat of the fuel cell generator set to the storage and supply integrated water tank; the user water supply side water pump is used for extracting heat from the storage and supply integrated water tank and supplying the heat to rear-end users; the pipeline and valve group is used for connecting all the parts and adjusting the flowing direction and flow of heat; the gradient utilization module is used for graded utilization of waste heat generated in the hydrogen supply and storage process; and the collaborative conversion module is used for carrying out collaborative conversion and storage among the energy sources. An energy demand is predicted by applying a deep hydrogen energy storage and supply Q hydrogen energy storage and supply network algorithm, an optimization model is constructed in combination with equipment operation constraints, equipment is accurately regulated and controlled, and the energy demands are respectively used for power generation, refrigeration, heating and industrial production according to waste heat temperature differences, so that flexible distribution of waste heat is realized.

The invention belongs to the technical field of hydrogen storage materials, and particularly relates to a hydrogen storage material, a preparation method thereof and a hydrogen storage system. The hydrogen storage material comprises the following raw material components in percentage by mass: 90%-97.5% of hydrogen storage alloy powder, 1%-5% of a volume expansion buffering agent, 1%-5% of a heat conduction material and 0.5%-3% of an additive, the additive comprises at least one of a silane coupling agent and polyimide; the preparation method comprises the following steps: mixing the raw material components, carrying out cold press molding, carrying out heat treatment for 4-12 hours in an inert atmosphere at the temperature of 110-150 DEG C, and cooling to obtain the hydrogen storage material.

This invention provides a hydrogen-heated solid-state hydrogen storage device and a solid-state hydrogen storage system. The solid-state hydrogen storage device includes a hydrogen inlet, a hydrogen diffusion section, several reaction tubes, a hydrogen collection section, and a hydrogen outlet. The first end of each reaction tube is connected to the hydrogen diffusion section, and the second end of each reaction tube is connected to the hydrogen collection section. A vent pipe is installed inside each reaction tube, and hydrogen storage material is filled between them. The increased volume due to the expansion of the hydrogen storage material can be absorbed by the deformation of the vent pipe. The solid-state hydrogen storage system consists of the aforementioned hydrogen storage device, a heater, a cooler, a circulating fan, and circulating pipelines. In the solid-state hydrogen storage device provided by this invention, hydrogen directly exchanges heat with the hydrogen storage material, improving the mass and heat transfer process and increasing the system's heat exchange efficiency.

A hydrogen storage assembly includes an enclosure substantially encompassing an electrolyzer, a hydrogen storage system, a hydrogen fuel cell, an electrochemical energy storage module, a power conversion system, and a control system. The electrolyzer is configured to separate, via electrolysis, water into hydrogen gas that is stored in the hydrogen storage system; the hydrogen fuel cell is configured to convert the stored hydrogen gas into electrical energy and water. The electrochemical energy storage module is configured to function as an energy buffer; the power conversion system is configured to convert the produced electrical energy to a desired form. The control system is configured to control the storage and distribution of the stored hydrogen and electrical energy in an optimized manner to achieve predefined financial and energy-use objectives.

The invention discloses an energy management method and system for a gas-electric forklift with a replaceable solid hydrogen storage module, and the method comprises the steps: obtaining a driving mode, and calculating a corresponding SOC demand according to the driving mode; controlling the power battery system to heat a solid-state hydrogen storage module in the solid-state hydrogen storage system according to the SOC demand, so that the solid-state hydrogen storage module releases hydrogen to start the fuel battery system; and the current of the fuel cell stack is obtained in real time, when the current of the fuel cell stack reaches a preset value, the fuel cell system is controlled to heat the solid hydrogen storage system and supplement energy to the power cell system, and energy management of the gas-electric forklift after the solid hydrogen storage module is replaced is achieved. Through fine control of energy management, efficient and stable hydrogen supply of the solid-state hydrogen storage system after the solid-state hydrogen storage module is replaced is achieved, and the operation safety and the attendance rate of the gas-electric forklift are improved.

The embodiment of the utility model relates to the technical field of hydrogen energy utilization, and discloses a combination valve for hydrogen storage and a hydrogen storage system. The hydrogen storage combination valve comprises a main body, a first ventilation path, a second ventilation path, a third ventilation path and a one-way valve are arranged in the main body, one ends of the first ventilation path and the second ventilation path penetrate through the main body, the other ends of the first ventilation path and the second ventilation path are connected with the one-way valve, and the two ends of the third ventilation path communicate with the one-way valve and the first ventilation path correspondingly; when the one-way valve element is located at the inflation position, the first ventilation channel communicates with the second ventilation channel through the fourth ventilation channel. When the one-way valve element is located at the air outlet position, the second ventilation channel communicates with the first ventilation channel through the third ventilation channel. The embodiment of the utility model further provides a hydrogen storage system. The hydrogen storage system comprises the combination valve. According to the combination valve for hydrogen storage and the hydrogen storage system, the structural layout with high composite utilization performance is achieved, the probability of mistaken touch opening is reduced, and the input cost is reduced.

The invention relates to the technical field of hydrogen energy storage and transportation, and discloses a hydrogen storage system convenient for hydrogen charging and discharging regulation, comprising: a gas input module comprising a gas discharging column unit, a buffer tank and a connecting unit, the gas discharging column unit being connected with a tube bundle vehicle by using a ferrule type quick joint, a compression module comprising a first hydrogen compressor unit and a second hydrogen compressor unit, the second hydrogen compressor unit adopts a water-cooling diaphragm structure, the hydrogen storage module comprises a first hydrogen storage bottle group unit and a second hydrogen storage bottle group unit, and the second hydrogen storage bottle group unit is divided into three-stage storage, a gas distribution and control module, a safety guarantee module, a monitoring module and an auxiliary module. Through a gas discharging column double-path parallel interface of the gas input module and the temperature compensation type pressure gauge, and in combination with a check valve and a rupture disk of the buffer tank, the damage of high-pressure impact to equipment is avoided, so that the equipment is prevented from being damaged by the high-pressure impact, and the service life of the equipment is further prolonged.

The utility model relates to a system for reducing carbon dioxide emission in a coking production process. The system comprises a coke oven heating system, a flue gas desulfurization and denitrification system, a CO2 absorption and analysis system, a methanol synthesis system, a wind power / photovoltaic power generation system, an energy storage system, a water electrolysis hydrogen production system, a hydrogen storage system and a methanol storage system. According to the device, the emission of coke oven flue gas CO2 to the atmosphere can be effectively reduced, the CO2 in the coke oven flue gas can be captured and converted into a green methanol fuel, and the CO2 generated by combustion is not discharged when the green methanol fuel is used as a heating fuel of a coke oven, so that the cyclic utilization and green development of the CO2 are realized.

The invention relates to the technical field of renewable energy source and process industrial intelligent control, and discloses a full-process optimization method and system for synthesizing ammonia through wind-solar hydrogen production, which can realize full-process collaboration and self-adaption to wind-solar fluctuation, and can guarantee system safety and economy in long-term operation. According to the scheme, the method comprises the steps that running state data of a wind-solar power generation system, a hydrogen production system, a hydrogen storage system and a synthetic ammonia system are collected in real time, and the collected data are preprocessed; establishing a device-level adaptive boundary model, and calculating a dynamic safe operation boundary of the key device; inputting wind-solar power prediction of a future time domain, performing rolling optimization based on the multi-objective optimization model according to constraint conditions, and generating load setting instructions of each system; and executing the load setting instruction, collecting real response data of the system, comparing a deviation between a real response and a predicted response, calculating a multi-dimensional deviation index, and when the deviation exceeds a set threshold value, performing feedback calibration on the equipment-level adaptive boundary model.

The invention relates to the technical field of unmanned aerial vehicles, and discloses a fuel cell unmanned aerial vehicle carrying double hydrogen cylinders, comprising: a hydrogen storage system comprising two independent gaseous hydrogen storage cylinders, the hydrogen storage system being connected with a fuel cell system through a hydrogen delivery pipeline to supply hydrogen to the fuel cell system; the fuel cell system is used for converting hydrogen into electric energy, and the fuel cell system is connected with the energy storage system through an electric energy transmission line so as to transmit the generated electric energy to the energy storage system; the control system is used for monitoring and regulating various functions of the unmanned aerial vehicle, and the control system is connected with the fuel cell system, the energy storage system and the power flight system through data transmission lines so as to receive and send control instructions. By adopting the double-gas-state hydrogen storage cylinder system, the unmanned aerial vehicle can carry more hydrogen, so that the flight endurance time and distance are prolonged, in addition, the hydrogen cylinders which are modularly designed are convenient to replace quickly, and continuous operation in a long-time task is further ensured.