243 results about "Hydrogen yield" patented technology

The invention relates to a multi-cell control method for hydrogen production alkaline electrolytic cells based on nonlinear model predictive control, which belongs to the technical field of hydrogen production and comprises the following steps of: performing data acquisition on key positions of a hydrogen production alkaline electrolytic cell system in real time; based on the dynamically determined priority of each electrolytic cell, dynamic load distribution of each electrolytic cell is carried out, and a multi-dimensional cooperative regulation strategy is implemented to obtain a hydrogen yield target value of each electrolytic cell; constructing a nonlinear model comprising an electrolytic reaction model, a heat transfer model and an inter-tank coupling model, and performing parameter identification and verification; and designing a nonlinear model predictive control algorithm, performing discretization processing on the nonlinear model, introducing Kalman filtering to process the uncertainty of the model, taking a corresponding hydrogen yield target value reached by each electrolytic cell on the premise of meeting the constraint as a final control target, constructing an optimized target function, and performing solving to obtain an optimal control scheme. Compared with the prior art, the control precision and the system stability can be effectively improved.

The invention relates to the technical field of hydrogen storage and release, and discloses a cyclic hydrogen storage and release system based on aromatic cycloalkane reaction, which comprises a hydrogenation reaction unit, a dehydrogenation reaction unit, a gas-liquid separation and compression unit and an adsorption and purification unit which are sequentially connected through pipelines, the hydrogenation reaction unit, the dehydrogenation reaction unit and the gas-liquid separation and compression unit are respectively connected with the heat exchange unit; the hydrogen storage function and the hydrogen desorption function are integrally designed, the microwave heat supply dehydrogenation reactor is designed for the dehydrogenation reaction link with high energy consumption, and compared with the prior art, the microwave heat supply dehydrogenation reactor has the advantages that the heat transfer resistance is reduced, the reaction efficiency is improved, and the energy loss is reduced. The designed gas-liquid separation and adsorption purification technology is coupled, only one compressor is used in the whole process, the purification process is effectively simplified, the operation is simple and convenient, the equipment cost and the hydrogen purification cost are reduced, and the hydrogen yield and the hydrogen storage carrier cyclic utilization rate are improved. The system has the advantages of high hydrogen storage and release efficiency, small system size, high mobility and the like.

The invention relates to a method for enhancing hydrolytic acidification performance of a mixed raw material by biogas residue biochar prepared from anaerobic fermentation discharged materials, and belongs to the field of anaerobic digestion of organic solid wastes. According to the method, the kitchen waste and the corn straw are used as the mixed raw material, the biogas residue biochar is prepared from the wet anaerobic digestion discharged material added with the shell powder and the nano ferroferric oxide, and the biogas residue biochar is applied to the acid production stage of the mixed raw material to improve the hydrolytic acidification performance, so that the hydrogen production performance, the system stability and the biogas production performance of the mixed raw material are improved. Compared with a control group, the accumulated hydrogen yield of the mixed raw material is increased by 126.8%-133.0%, and the maximum hydrogen production peak is increased by 48.7%-67.9%. The maximum daily volatile fatty acid yield of an anaerobic system is improved by 33.7%-51.4% compared with that of a control group, and the stability of the system is also obviously enhanced. In the biogas production stage, the biogas yield is improved by 42.0%-51.8% compared with that of a control group. The method can significantly improve the hydrolytic acidification and biogas production performance of the mixed raw material.

The invention discloses a hot CO2-assisted electromagnetic heating in-situ carbon storage and hydrogen production synergistic method, belongs to the technical field of oil and gas reservoir in-situ carbon storage and hydrogen production, and solves the problem that CO2 and other gases can be generated during oxygen injection combustion reservoir in-situ hydrogen production at present. The method comprises the following steps: selecting a target reservoir, digging a well and distributing hydrogen production collaborative equipment, transforming and developing the target reservoir based on the type of the target reservoir, injecting high-temperature CO2, starting a microwave emission device of an electromagnetic heating hydrogen production and hydrogen production well to continuously heat the reservoir to a hydrogen production temperature, and keeping the current reservoir temperature and pressure condition to produce hydrogen. Starting an electromagnetic heating hydrogen production and hydrogen production well for production; closing the well to stop production when the hydrogen yield is rapidly reduced; according to the invention, the production of CO2 gas in the hydrogen production process is avoided, and multiple injection processes of oxygen-containing gas, water vapor and the like are simplified at the same time; the electromagnetic heating cost is reduced by injecting high-temperature CO2 to preheat the reservoir, and meanwhile, the utilization and geological storage of CO2 can be realized, so that the synergistic effect of geological storage of CO2 and in-situ hydrogen production is ensured.

The invention relates to the technical field of chemical-looping hydrogen production, and discloses a self-heating type chemical-looping hydrogen production and in-situ decarburization system and method.Hydrocarbon fuel is converted into hydrogen and carbon dioxide through a chemical-looping circular reaction, and meanwhile coupling of CO2 trapping and separation on the source side and chemical-looping hydrogen production of the hydrocarbon fuel is achieved through an absorbent; on the basis of in-situ separation of CO2, the hydrocarbon fuel conversion rate and the hydrogen yield are improved, the requirement for equipment needed by production is lowered, and meanwhile the energy efficiency level of a hydrogen production system is improved. Besides, the system can realize self-heating chemical looping hydrogen production and in-situ decarburization without external heat input through matching of a hydrogen production raw material, an oxygen carrier and CO2 absorbent particles, endothermic reduction of the oxygen carrier in the hydrogen production decarburization reactor and in-situ absorption and heat release of CO2, so that a series of problems of limited heat and mass transfer performance and the like existing in external heat driven chemical looping reaction are solved; and self-heat balance in the system can be realized, and the universality of the chemical looping technology is improved.

The invention relates to a double-layer multi-time-scale scheduling method for an off-grid type wind-solar complementary hydrogen production system, which is a double-layer scheduling mechanism based on double targets of improving system economy and ensuring equipment safety, an upper layer takes an intelligent agent as a core, the service life of equipment is prolonged by adopting comprehensive consideration, overcharge and overdischarge of an energy storage element are reduced, and the energy storage efficiency is improved. First-stage power distribution of an excitation function for stabilizing the fluctuation of the PEM electrolytic cell array: taking wind and light as the total power of an input system, and distributing the total power to a storage battery, a super capacitor and the PEM electrolytic cell array; the lower-layer second-level PEM electrolytic cell array control depends on the result of the first-level power distribution, the targets of maximizing the hydrogen yield and prolonging the service life of the PEM electrolytic cells are considered at the same time, the PEM electrolytic cells are controlled by adopting a PEM electrolytic cell array optimization scheduling strategy of a double-wheel-value lock multi-time scale, and dynamic distribution of power is completed. Therefore, the system scheduling is higher in adaptability to renewable energy fluctuation on the whole, good in economical efficiency and lower in cost.

To provide a method of producing hydrogen capable of improving a production amount of hydrogen.SOLUTION: A method of producing hydrogen includes: pulverizing and mixing a material to be pulverized and a solvent using a planet ball mill device having a container housed with a pulverization medium to produce hydrogen by mechanochemical reaction. The solvent includes water, the material to be pulverized is at least one of a metal, or a metallic compound of the metal as a main constituent, a material of at least one of the container and the pulverization medium is a material capable of reducing an oxide and a hydroxide of a metal by mechanochemical reaction, and a speed of rotation of the planet ball mill device is 400 rpm or more.SELECTED DRAWING: Figure 10

The invention relates to the technical field of renewable energy consumption, in particular to a vehicle-hydrogen-steel collaborative green hydrogen fluctuation stabilizing method and system, a physical layer is provided with a wind-solar power generation device, an electrolytic hydrogen production device, a hydrogen storage buffer tank, a steel heat supply device, an electric vehicle and a V2G charging pile which are connected with one another through a hydrogen conveying pipeline and a power cable; the information layer takes the central regulation and control platform as a core, collects wind-solar power, hydrogen yield, steel hydrogen consumption and electric vehicle SOC by using sensors, and transmits the collected power, hydrogen yield, steel hydrogen consumption and electric vehicle SOC to the central regulation and control platform; the central regulation and control platform executes a hierarchical dynamic fluctuation regulation and control mechanism; when the fluctuation range of the hydrogen yield does not exceed a set value, the hydrogen is stabilized by controlling the hydrogen storage buffer tank to charge and discharge hydrogen; and when the fluctuation amplitude exceeds a set value, a V2G system is started, and stabilizing is carried out by controlling charging and discharging of the electric vehicle. On the premise that the special energy storage cost is not greatly increased, stable and low-cost supply of green hydrogen is achieved, and energy conservation and emission reduction of steel and other high-energy-consumption industries are achieved.

The invention relates to the technical field of hydrogen energy, in particular to a methanol reforming hydrogen production system and a control method thereof.The system comprises a methanol-water mixing module, a fused salt phase change energy storage module, a reforming reaction module and a post-treatment module which are sequentially communicated; the fused salt phase change energy storage module comprises a phase change energy storage fused salt reactor as well as a heat release device I and a heat release device II which are arranged in the fused salt reactor, the output end of the methanol-water mixing module is connected with the heat release device I, and the output end of the heat release device I is connected with the reforming reaction module; the reforming reaction module comprises a reforming reactor with a built-in axial heating tube bundle, a catalytic reaction cavity is formed between tubes of the axial heating tube bundle, an in-tube channel of the axial heating tube bundle and the second heat release device form a circulation loop, and a heat transfer working medium is arranged in the circulation loop. By combining phase change energy storage and an efficient heating working medium circulation loop, the problem that the temperature of a catalyst is not constant in a traditional hydrogen production process is solved, and the reaction efficiency, the hydrogen yield and the hydrogen purity of the system are fundamentally improved.

The invention discloses an alkaline electrolysis cluster power working medium two-level cooperative regulation and control method which comprises the following steps: step 1, establishing a full response surface model among hydrogen yield, temperature and power based on related parameters of an alkaline electrolysis cell; 2, solving the optimal power distribution of the alkaline electrolysis cluster by taking the maximum hydrogen production as a target and taking the safe operation domain as a constraint condition; 3, evaluating the working medium regulation and control condition of the system by taking the distributed power as a constraint condition and taking temperature stability, hydrogen concentration minimization in oxygen and working medium use minimization as targets; 4, whether the system temperature obtained in the step 3 meets the convergence condition of the temperature used in the step 2 or not is judged, and if yes, a regulation and control strategy is output; and if not, substituting the temperature obtained in the step 3 into the step 2 again for calculation. In conclusion, the hydrogen production efficiency and the operation stability are both considered through the cooperative scheduling architecture of the upper layer and the lower layer, support is provided for maintaining the system temperature and the hydrogen concentration in oxygen to be stable while the operation efficiency of the alkaline electrolysis cluster is ensured, and more practical operation guidance is provided for optimal scheduling of the alkaline electrolysis cluster.

The present invention provides a method for hydrogen production from coke oven gas based on the electrochemical reduction of CO2 technology. The method includes gas pretreatment, multi-stage membrane separation, catalytic reaction, and electrocatalytic reduction. Particulates, tar, and moisture are removed through cyclone separation and activated carbon adsorption, and MDEA and zinc oxide desulfurization are combined to ensure gas purification; a multi-stage membrane separation technology is used to achieve the separation of high-purity hydrogen. Through high-temperature and low-temperature water gas shift and methane steam reforming reactions, CH4 and CO are efficiently converted to further increase the hydrogen production. The electrocatalytic reduction technology is innovatively adopted to convert CO2 into CO, H2, and HCOOH to achieve carbon resource recycling. The present invention has the characteristics of high efficiency, low consumption, and low carbon, and is applicable to the deep purification and resource utilization of coke oven gas.

The invention discloses a scheduling method adaptive to multi-time-scale rolling between wind-light fluctuation and maximum hydrogen yield. The scheduling method specifically comprises a wind-light power generation prediction model, an electrolytic tank group, a power model of a storage battery pack, a price type demand response model and the like. In the working process, electric energy input caused by wind and light is included, wind and light fluctuation is responded through the hydrogen load demand, it is ensured that the hydrogen consumption is increased when there is more wind and more light, the hydrogen consumption is reduced when there is less wind and less light while electricity is converted into hydrogen, and the effect of flexibly adapting to volatility is achieved. Electricity-hydrogen conversion is achieved through a storage battery-electrolytic cell system, the wind and light abandoning rate and the electricity abandoning rate of new energy are reduced, the consumption level of renewable energy is improved, economic and stable operation of the system is guaranteed, and meanwhile the maximum hydrogen production amount is obtained. According to the method, the adaptability and the flexibility of the renewable energy hydrogen production system are enhanced, the economical efficiency and the prediction accuracy are improved, efficient consumption of renewable energy is promoted, and carbon peak reaching and carbon neutralization targets are supported to be achieved.

The invention discloses a method for producing hydrogen by gasifying plastic biomass, which comprises the following steps of: physically grading waste plastics according to different types (such as polyethylene, polypropylene, polyvinyl chloride and the like), sorting and treating the waste plastics by adopting an infrared component analyzer, a pyrolysis experiment, laser cutting and other technical means, adjusting the particle size of the waste plastics to be 1-3cm, and carrying out extrusion molding on the waste plastics. And a proper treatment mode is adopted according to pyrolysis characteristics of different plastics, so that the gasification reaction efficiency is improved. Therefore, through fine temperature and atmosphere regulation and control, the hydrogen generation efficiency is improved, the emission of byproducts is reduced, the catalytic efficiency is improved by introducing the composite catalyst, the service life of the catalyst is prolonged, the hydrogen purification process adopts the combination of membrane separation and a temperature swing adsorption method, so that the hydrogen purity reaches 99.99% or above, and the production cost is reduced. According to the technology, the hydrogen yield and purity are remarkably improved, the service life of the catalyst is prolonged, meanwhile, emission of greenhouse gas and harmful by-products is effectively reduced, and remarkable economic and environmental benefits are achieved.

The invention relates to an electrolytic cell array power distribution method and system considering hydrogen production efficiency, and a medium. The method specifically comprises the following steps: converting received to-be-consumed electric power into to-be-optimized power of an electrolytic cell array; calculating the initial operation optimal power of the electrolytic cell array by taking the maximization of the efficiency and the hydrogen yield of the electrolytic cell array as a target, and obtaining segmentation execution information according to the to-be-optimized power of the electrolytic cell array and the initial operation optimal power of the electrolytic cell array on the basis of a set distribution rule; obtaining a power distribution instruction based on the segment execution information; and each electrolytic cell in the electrolytic cell array adjusts the corresponding hydrogen production power according to the power distribution instruction. The power distribution method provided by the invention not only can consume surplus renewable energy sources, but also can improve the hydrogen yield under the condition of not increasing the system equipment cost, reduce the start-stop frequency of the electrolytic cell, improve the utilization rate of the electrolytic cell and prolong the service life of the electrolytic cell.

The invention discloses an off-grid photovoltaic hydrogen production system double-layer optimization method, device and equipment and a storage medium, and the method comprises the steps: constructing an off-grid photovoltaic hydrogen production system based on a battery energy storage unit, a photovoltaic power generation unit and a hydrogen energy conversion unit, and constructing a double-layer optimization model comprising an upper-layer constant volume optimization model and a lower-layer operation optimization model; the upper-layer constant volume optimization model takes the maximization of the total yield of green hydrogen in the whole life cycle of the system as a target and takes the system capacity configuration as a decision variable; the lower-layer operation optimization model takes green hydrogen yield maximization in the current scheduling time period of the system as a target and takes a system operation strategy as a decision variable; and an optimal capacity configuration scheme and an optimal operation strategy are obtained by solving the double-layer optimization model, so that the utilization efficiency of the system on renewable energy sources is improved, the overall low-carbon benefit is enhanced, and the potential of the electrolytic cell is fully played.

The invention discloses an energy balance optimization method and equipment for a wind power off-grid energy storage hydrogen production system, and relates to the technical field related to wind power optimization, and the method comprises the steps: obtaining a wind power factor in a preset time zone, carrying out the power generation prediction according to the wind power factor, and obtaining the predicted output power; monitoring and acquiring the current energy storage capacity of the starting node of the predetermined time zone; by taking optimization limiting conditions as constraints and taking the maximum hydrogen yield, the minimum hydrogen production fluctuation and the minimum energy storage aging as optimization purposes, carrying out multi-stage optimization of a charging and discharging strategy and an electrolytic cell workload according to the predicted output power and the current energy storage capacity, and outputting an optimal energy balance control scheme; and according to the optimal energy balance control scheme, energy storage hydrogen production operation in a preset time zone is executed. The technical problems that in the prior art, wind power generation volatility is large, energy storage capacity utilization is uneven, and hydrogen production process volatility is high are solved, and the technical effects that the hydrogen yield is increased, hydrogen production fluctuation is reduced, and the service life of an energy storage and hydrogen production system is prolonged are achieved.

Disclosed in the present disclosure is a method for producing hydrogen from woody waste through staged pyrolysis and catalytic gasification. The method includes: performing baking pretreatment on the woody waste; thermally activating aluminum smelting waste residues, and mixing the thermally activated aluminum smelting waste residues with the baked woody waste; pyrolyzing and gasifying the mixture for hydrogen production to obtain primary pyrolysis gas and a carbon-aluminum composite material; and further catalytically cracking the obtained primary pyrolysis gas by taking the obtained carbon-aluminum composite material as a catalyst. In the present disclosure, staged thermochemical conversion including low-temperature thermal treatment, medium-temperature catalytic gasification and tar steam reforming are performed on the woody waste, the cheap aluminum smelting waste residues are used as the catalyst, and tar steam is catalyzed by pyrolysis residues, such that a tar yield in a pyrolysis process is reduced, and a hydrogen yield is improved.

The invention provides a metal-rare earth / molybdenum nitride catalyst and a preparation method and application thereof. The optimal rare earth element doping range is obtained by finely regulating and controlling the rare earth type, the use amount, the metal type, the metal use amount in the dipping process and the pretreatment temperature. The catalyst is applied to a methanol-water reforming hydrogen production reaction, an efficient low-temperature catalytic process is realized, and the metal utilization rate is relatively high. In addition, the metal consumption of the catalyst is less, so that the cost is more economical. According to the present invention, by introducing the atomic-scale rare earth auxiliary agent, the catalyst shows the continuous stability of more than 1300 h in the stability test, the TON catalytic effect of more than 10 million is obtained, and the stability of the methanol-water reforming hydrogen production reaction and the hydrogen yield are significantly improved.

The invention relates to a device for preparing high-calorific-value low-carbon fuel from biomass, and belongs to the technical field of chemical equipment. The device comprises a stock bin, a fluidized bed pyrolyzing furnace, an overflow channel, a fluidized bed gasification furnace and a cyclone separator which are sequentially connected, the cyclone separator is communicated with the fluidized bed pyrolyzing furnace, and the fluidized bed gasification furnace is connected with a microwave generator; the bottom of the fluidized bed pyrolyzing furnace is communicated with an oxygen-poor gas input pipeline, and the bottom of the fluidized bed gasifying furnace is communicated with an oxidizing gas input channel. The biomass gasification reaction is divided into a pyrolysis process and a gasification process by the double fluidized beds, the two processes are decoupled, and a plurality of functional groups related to hydrogen production are generated by low-temperature pyrolysis in the fluidized bed pyrolyzing furnace, so that the yield of hydrogen is increased; microwave heating is introduced into the fluidized bed gasification furnace, so that the gasification furnace can reach the required temperature more quickly, meanwhile, pyrolysis products are converted through microwave targeting energy, generation of tar and methane is remarkably reduced, and generation of hydrogen production reaction is facilitated, so that high-calorific-value low-carbon fuel is generated.

The invention discloses a preparation method of a Sn-Bi-Ni-Cu quaternary liquid alloy methane cracking catalyst, production raw materials comprise composite melt metal and composite transition metal, and the mass ratio of the composite melt metal to the composite transition metal is 1: (0.3-1.2); the composite melt metal is composed of Sn and Bi according to the mass ratio of 1: (1.3-1.7); the composite transition metal is composed of Ni and Cu according to the mass ratio of 1: 0.15-1.2. The quaternary liquid alloy catalyst has the advantages that: 1) compared with the existing catalyst for hydrogen production by methane cracking, the quaternary liquid alloy catalyst provided by the invention can stably operate for more than 1000 hours in a range of normal pressure to 3MPa and air speed of 100-100mL. G <-1 >. H <-1 >, the active phase retention rate is more than 95%, and the quaternary liquid alloy catalyst is especially suitable for alkane pyrolysis hydrogen production, CO2 hydrogenation and easy carbon deposition reaction systems, and has a wide application prospect; a new material design thought and an engineering implementation scheme are provided for the field of liquid metal high-temperature catalysis; and 2) experiments show that the quaternary liquid alloy catalyst prepared by the method provided by the invention can significantly improve the carbon sequestration rate and the hydrogen yield.

The invention belongs to the technical field of microbial hydrogen production optimization, and particularly relates to a clostridium pasteurianum biological / non-biological hydrogen production system based on a hydrogen production mechanism. According to the system, an endogenous hydrogenase gene of clostridium pasteurianum is over-expressed in the clostridium pasteurianum, or a hydrogen production element is added in the culture process of the clostridium pasteurianum, and the hydrogen production element comprises one or more of Fe < 2 + >, Ni < 2 + >, riboflavin, humic acid or magnetic nanoparticles. According to the invention, the effects of different types of hydrogenase on hydrogen production of clostridium pasteurianum are explored, and the hydrogen production mechanism of clostridium pasteurianum is defined; by adding a new hydrogen production element externally, the hydrogen yield of the clostridium pasteurianum is further improved, the development of a biological hydrogen production technology can be promoted, and a feasible biological solution is provided for production of clean energy.

The invention discloses a cooperative control system and method for an electrolytic hydrogen production electrolytic tank and an assembly rack, and belongs to the technical field of cooperative control, and the cooperative control system comprises an electrolytic hydrogen production first execution path determination module, a first cooperative control execution module and a second cooperative control execution module. The working parameters of the electrolytic cell and the posture of the assembly rack can be dynamically adjusted based on the electrode bubble stability index and the electrolytic cell operation imbalance index, so that the bubble shielding effect and local current density fluctuation are relieved in time, and the balance of the electrolysis states of left and right polar plates is ensured; and the scale factor and the continuous tracking monitoring duration are controlled by matching the adjusting rhythm, so that the self-adaptive monitoring and quick response to the running state of the electrolytic cell are realized. The operation stability of the electrolytic tank and the uniformity of the hydrogen yield are improved, and the electrolytic hydrogen production efficiency is optimized, the service life of equipment is prolonged and the self-adaptive intelligent control of the whole system is realized.

The invention provides a dynamic control method and device for a solar-driven air water collection coupling hydrogen production system, and relates to the technical field of new energy utilization, the solar-driven air water collection coupling hydrogen production system comprises a photovoltaic module, a solar thermal power generation module, a solar air water collector, a water electrolysis hydrogen production device and a water photolysis hydrogen production device; the dynamic control method comprises the following steps: constructing an output prediction model of the solar-driven air water collection coupling hydrogen production system; dynamically adjusting the solar-driven air water collection coupling hydrogen production system based on output data of the output prediction model; wherein the output data of the output prediction model comprises hydrogen yield, system efficiency, total energy consumption, total cost, system stability index, photovoltaic module output power, solar thermal power generation module output power, solar air water collector water yield, water electrolysis hydrogen production device efficiency and water photolysis hydrogen production device efficiency. According to the invention, the hydrogen yield can be effectively improved while the cost is minimized and solar energy is utilized to the maximum extent.

The utility model discloses a spiral-flow type coal water slurry process burner. The spiral-flow type coal water slurry process burner comprises a three-channel structure, the three-channel structure sequentially comprises a central oxygen channel, a coal water slurry channel and an outer epoxy channel from inside to outside; the central oxygen channel, the coal water slurry channel and the outer epoxy channel are connected through flanges; a cooling water assembly is arranged on the outer side of the outer epoxy channel; a central oxygen cyclone is fixed on the inner wall of the central oxygen channel and comprises a cyclone bracket and a first cyclone sheet; one end, far away from the burner head, of the rotational flow bracket is in a pointed cone shape; the first swirl piece is formed by stretching a first end face along a curve, and a first adjacent side face of the first swirl piece is fixedly connected with the swirl support. Through a rotational flow form, the mixing effect of oxygen and coal water slurry is enhanced, and the purpose of sufficient mixed combustion is achieved, so that the carbon conversion rate is improved, the yield of carbon monoxide and hydrogen serving as main components in the period of validity is improved, efficient and clean utilization of coal resources is realized, and the production cost is reduced.

The invention discloses an energy system integrating water electrolysis hydrogen production and a hydrogen gas turbine, which comprises an oxygen-enriched preparation membrane separation module for processing air and outputting oxygen-enriched gas, a wind and light prediction calculation module for analyzing wind speed and illumination data to generate an electric energy output curve, and an electrolysis power distribution module for distributing power to a water electrolysis hydrogen production unit according to the electric energy output curve. The oxygen-enriched combustion simulation module calculates combustion field distribution. The coupling driving control module collects hydrogen yield and combustion efficiency data and adjusts the rotating speed of the hydrogen gas turbine; the parameter monitoring feedback module collects parameters of each module and transmits deviation values. Meanwhile, oxygen-enriched preparation, power distribution, wind and light prediction and combustion simulation, wind and light prediction calculation and oxygen-enriched combustion simulation are optimized by the system through a specific model and algorithm, the coupling driving control module further comprises a plurality of functional units, each module is started according to six steps during operation, and the system ensures stable combustion efficiency of the hydrogen gas turbine and is high in reliability. And finally, the comprehensive performance of energy utilization in the plateau anoxic environment is remarkably improved.

The application relates to the technical field of catalyst preparation, and discloses a copper-based catalyst for hydrogen production by methanol steam reforming and a preparation method thereof, which is prepared by adopting a precipitation method-ball milling method with multiple precursors of copper, zinc, aluminum, titanium and lanthanum as raw materials, specifically, metal salts including copper and zinc are dissolved to obtain A liquid; an alkali solution is prepared to obtain B liquid; in a solvent system, an aluminum precursor and a lanthanum salt are heated and dried to obtain a modified alumina carrier; A liquid and B liquid are blended and reacted, and after the reaction, the modified alumina carrier is added and aged to obtain a precursor; and the precursor and a titanium source are ball milled and then calcined to obtain the catalyst. The copper-based catalyst obtained by the application has excellent methanol low-temperature conversion activity, hydrogen yield and high-temperature resistance.

The invention belongs to the technical field of catalyst preparation, and discloses a multifunctional spinel catalyst, a preparation method thereof and application of the multifunctional spinel catalyst in plastic microwave catalytic cracking. The preparation method of the multifunctional spinel catalyst comprises the following steps: ultrasonically mixing ferric salt, aluminum salt, citric acid, water and a carbon source, and stirring to obtain gel; and sequentially drying and calcining the gel to obtain the multifunctional spinel catalyst. According to the obtained multifunctional spinel catalyst, through the synergistic effect of Fe-Ni, Fe-Co and the like, the activity of the catalyst is improved, the hydrogen yield is remarkably increased to 54.79 mmol / g, the anti-sintering capacity of the catalyst is improved through carbon source loading, and the catalytic life is prolonged; the absorptivity of the obtained multifunctional spinel catalyst at the frequency of 2.45 GHz reaches 90% or above, and uniform microwave heating of plastic is guaranteed.

The invention relates to the technical field of solar heat utilization, and discloses a solar methanol reforming and hydrogen separation integrated spiral hydrogen production system which comprises a reaction tube, a spiral hydrogen selective permeable membrane, a feeding system, a sweeping pipeline and the like. The temperature and flow of the feeding system and the sweeping system can be adjusted in real time according to the solar irradiation change, the reaction tube outlet exhaust temperature, the hydrogen yield and the catalyst bed temperature, optimal energy flow matching is achieved, and the energy utilization rate of the system is increased. Meanwhile, by adopting the reaction area and the sweeping area which are designed spirally, on one hand, the temperature uniformity of a reaction tube catalyst bed can be improved, and the sintering risk of a catalyst is reduced; on the other hand, by means of the rotational flow effect of the spiral structure, the hydrogen concentration polarization phenomenon can be effectively relieved, the hydrogen permeation amount is increased while hydrogen in-situ separation is achieved, and the pure hydrogen yield of the system is increased. The device has the characteristics of wide working condition application range, high methanol conversion rate, low hydrogen separation cost, compact structure and the like.

The invention discloses a preparation method and application of a hollow spherical high-entropy catalyst with a controllable particle size, a spinel high-entropy oxide is used as a design basis to prepare a base metal high-entropy catalyst with an (ABCDE) 3O4 configuration (five metal components A, B, C, D and E comprise Fe, Co, Ni, Cr and Mn, or four of the five metal components A, B, C, D and E is a combination of any four of Fe, Co, Ni, Cr or Mn, and one of the five metal components A, B, C, D and E is any one of Mg or Zn), can be applied to a catalytic reforming technology to prepare hydrogen-rich synthesis gas, and has excellent catalytic performance on pyrolysis / gasification volatile components of complex components and excellent selectivity on hydrogen. In addition, the catalyst has the characteristics of high temperature resistance, multiple functions, high activity, high selectivity, carbon deposition resistance, long service life and the like, the hydrogen yield can be greatly improved, and stable catalysis can be carried out for an extremely long time.

A method and apparatus for regenerative hydrogen separation at high temperatures for production of pure hydrogen gas. Pure metals and metallic alloys are used at high temperatures to maximize the catalytic effect for hydrogen dissociation, hydrogen diffusion and hydrogen sorption capacity. Metallic materials are used that can selectively sorb hydrogen at high temperatures. These materials are integrated into equipment designs and process configurations to process a stream of hot mixed process gases to produce a stream of pure hydrogen product at the desired system temperature. The invention can be used to enhance the performance of existing plants such as steam methane reforming applications by increasing the conversion to hydrogen, eliminating or reducing the number of shift converters, providing pure hydrogen product, and enhancing the overall energy efficiency. In some embodiments, the hydrogen sorption system is built inside a hydrogen production reactor, enhancing the chemical equilibrium inside the reactor, to achieve higher conversion and hydrogen yields.