2137results about "Energy input" patented technology

According to the invention, biomass rice hull ash and a sodium hydroxide solution are reacted to obtain water glass and carbon mud. And reacting the water glass with CO2 generated by calcining the limestone to produce a white carbon black product and a mixed waste liquid of sodium carbonate and sodium bicarbonate. Meanwhile, quick lime obtained by calcining limestone is digested and then reacts with sodium carbonate and sodium bicarbonate mixed waste liquid to generate a light calcium carbonate product and dilute sodium hydroxide waste liquid. And finally, the dilute sodium hydroxide waste liquid is concentrated and reused for water glass production, so that the waste liquid is recycled, and a complete process closed loop is formed. According to the process method disclosed by the invention, two leading-edge innovative processes, namely production of white carbon black by renewable resource biomass rice hull ash and production of white carbon black by a carbonization method, are organically combined and are coupled with production of light calcium carbonate by a limestone calcination process, so that the problem that a large amount of sodium sulfate-containing wastewater is discharged in a traditional process is solved; meanwhile, the carbon footprint of white carbon black and calcium carbonate products is greatly reduced.

The invention relates to the technical field of hydrogen energy, in particular to a solid oxide electrolytic hydrogen production system and a control method thereof.The electrolytic hydrogen production system comprises water, a waste heat recovery module, a fused salt phase change energy storage module and a solid oxide electrolytic tank, and the waste heat recovery module comprises a water preheater and a steam heater; product gas generated by the solid oxide electrolytic tank passes through the water preheater and the steam heater in sequence; the fused salt phase change energy storage module comprises a fused salt reactor heat release device and a phase change energy storage fused salt reactor for providing heat for the fused salt reactor heat release device; after being powered by the water pump, water sequentially passes through the water preheater, the molten salt pile heat release device and the steam heater to absorb heat, is converted into water vapor and then flows to the solid oxide electrolytic tank; the fused salt phase-change energy storage module stores energy by using high-temperature phase-change mixed salt, and can convert low-ebb and low-price off-peak electricity of a power grid and abandoned electricity such as photovoltaic electricity and wind electricity into heat energy for storage, so that the consumption of electric energy is reduced, the energy utilization rate is improved, and the hydrogen production cost is reduced.

The utility model discloses a seawater concentration bromine extraction system based on deep waste heat recovery and new energy driving, and belongs to the technical field of salt chemical industry and new energy. On the basis of an existing seawater concentration bromine extraction system, a new energy mode is adopted for process heating, and heat exchange jackets are arranged on the outer walls of a sulfur combustion furnace 1 and a high-temperature SO2 flue 3; low-temperature air is sequentially fed into a heat exchange sleeve 26 and a heat exchange sleeve 20 through an air feeder 21 and exchanges heat with high-temperature and high-corrosion flue gas in a flue and higher-temperature flue gas in a sulfur combustion furnace, then the low-temperature air is fed into a miniature high-temperature waste heat hot water boiler 10, water is fed into a heating furnace, and cooled flue gas is subjected to circulating heat exchange through the air feeder 21. High-temperature water of the miniature high-temperature waste heat hot water boiler 10 is fed into the flash tank 23 and generates flash steam, and after the temperature of outlet water is reduced, the outlet water returns to the flash tank 23 for circulating heat exchange. Flash steam of the flash tank 23 is mixed with steam produced by the high-temperature heat pump steam producing device 37 and the new energy electric heating steam furnace 38, and then the mixture is sent to the liquid chlorine water bath 51 and the like for process heating.

A new polyelectrolyte multilayer coated proton-exchange membrane for electrolysis and fuel cell applications has been developed for electrolysis and fuel cell applications. The polyelectrolyte multilayer coated proton-exchange membrane comprises: a cation exchange membrane, and a polyelectrolyte multilayer coating on one or both surfaces of the cation exchange membrane. The polyelectrolyte multilayer coating comprises alternating layers of a polycation polymer and a polyanion polymer. The polycation polymer layer is deposited on and is in contact with the cation exchange membrane. The top layer of the polyelectrolyte multilayer coating can be either a polycation polymer layer or a polyanion polymer layer.

Electrical power derived from a renewable energy source is used to perform water electrolysis to produce oxygen and hydrogen. A flue gas and heat are produced from combustion of a fuel using at least a portion of the oxygen generated by electrolysis. A feed stream including hydrocarbon oil is hydroprocessed using the generated heat and at least a portion of the hydrogen generated by electrolysis to produce a product including a saturated hydrocarbon. At least a portion of the flue gas is hydrogenated using at least a portion of the hydrogen generated by electrolysis to produce a second product stream including a hydrocarbon, an oxygenate, or both.

The invention provides a petroleum coke drying and calcining system, which belongs to the technical field of tar treatment and comprises a feeding bin, a waste heat rotary drying furnace, a calcining furnace, a slag cooler, a receiving bin and a tail gas incineration chamber connected with the calcining furnace. The green petroleum coke raw material is fed into a waste heat rotary drying furnace to be dried; a drying furnace water vapor outlet, a drying furnace smoke outlet and a drying furnace waste heat tail gas inlet are formed in the waste heat rotary drying furnace; high-temperature tail gas generated by calcining and volatilizing materials in the calcining furnace enters the tail gas incineration chamber through the calcining furnace tail gas volatilization opening, and high-temperature tail gas generated by mixed combustion of the high-temperature tail gas and fuel gas entering the tail gas incineration chamber enters the calcining furnace and reversely flows with the materials in the calcining furnace to calcine the materials in the calcining furnace, so that primary utilization of the tail gas is realized. The high-temperature tail gas is calcined to absorb heat to form low-temperature tail gas, and the low-temperature tail gas enters the waste heat rotary drying furnace to dry materials, so that secondary utilization of the tail gas is realized, and the problems of low integration degree, high production cost and low treatment efficiency are solved.

The invention discloses an off-grid ALK-PEM green energy coupling hydrogen production system parameter configuration method. The method comprises the steps that S1, wind and light fluctuation characteristic parameters are collected; s2, calculating the capacity ratio of the electrolytic cell; s3, performing control parameter mapping; and S4, parameters of the cooling system are designed. The invention further discloses a corresponding configuration system, a configuration device, electronic equipment and a computer readable storage medium, and aims at a parameter collaborative configuration method of an alkaline electrolytic cell (ALK) and proton exchange membrane electrolytic cell (PEM) mixed hydrogen production system in a wind and light off-grid power supply scene, so that the core problems of low hydrogen production efficiency, short equipment service life, system instability and the like under a fluctuating power supply are solved.

The utility model provides a porous carbon preparation device which comprises a feeding unit, a reaction unit, a discharging unit and an air supply unit which are sequentially arranged in the material advancing direction, the feeding unit comprises a stock bin and a feeder, an outlet of the stock bin is connected with an inlet of the feeder, and an outlet of the reaction unit is connected with an outlet of the feeder. An outlet of the feeder is connected with a feeding hole in the upper end of the reaction unit through a pipeline; the reaction unit comprises a reaction furnace, and a dispersion plate is arranged at the bottom; the discharging unit comprises a separator and a collector which are connected with each other; the separator is connected with a discharging hole in the upper end of the reaction unit through a pipeline; the gas supply unit comprises a steam generator which is connected with an inlet of a gas preheater through a pipeline, and an outlet of the gas preheater is connected with a gas inlet in the lower end of the reaction unit through a pipeline. The device disclosed by the utility model is simple in structure and convenient to operate, industrial production is easy to realize, and the prepared porous carbon has the characteristics of developed pores, high uniformity, large specific surface area, deeper pore depth, excellent performance and the like.

To provide a modular system for appropriately generating hydrogen, and a method of operating the same.SOLUTION: A modular system for hydrogen generation includes a plurality of cores and a hub. Each core includes an electrolyzer and a power feeder. The power feeder is operable to manage the electric power to the electrolyzer of the core and is redundant to the power feeder of at least the other one of the plurality of cores. The hub includes a water module, a heat exchange module, and a switchgear module. The water module includes a water source in fluid communication with the electrolyzer of each one of the plurality of cores, the heat exchange module includes a heat exchanger in thermal communication with the electrolyzer of each one of the plurality of cores, and the switchgear module includes a switch activatable to electrically isolate the power feeder of each one of the plurality of cores.SELECTED DRAWING: Figure 1A

The utility model relates to a limit protection device of a dry quenching elevator, which belongs to the technical field of coking dry quenching equipment and is used for protecting the limit of the dry quenching elevator. According to the technical scheme, a base is a rectangular plate, a fixing support is perpendicularly welded to the plate face of the base, an adjusting movable plate is connected with the fixing support through an adjusting fastening bolt, a limiting fixing plate is perpendicularly welded to the front end of the adjusting movable plate, and a U-shaped limiting plate is fixed to the plate face of the limiting fixing plate through a limiting fixing bolt; the two upper limiting guide plates and the two lower limiting guide plates are located on the two sides of the U-shaped limiting device respectively and are perpendicularly connected with the plate face of the limiting fixing plate in a welded mode respectively, and the upper limiting guide plates and the lower limiting guide plates on the two sides of the U-shaped limiting device respectively form two V-shaped guide grooves. The elevator limiting device is simple in structure and reliable in work, the elevator can be protected from being damaged due to the fact that the elevator is scratched by the running elevator, safety and equipment hidden dangers are effectively eliminated, and normal running of the elevator is guaranteed.

The invention provides a hydrogen production rate-based dynamic adjustment method for an alkaline electrolytic cell, which comprises the following steps of: constructing a function model of electric power and hydrogen production rate of the alkaline electrolytic cell, optimizing the array configuration of the electrolytic cell in combination with historical wind and light data, dividing the operating state of a single electrolytic cell, and dynamically distributing the operating state in a value rotation mode. And the matching between the wind-solar power and the hydrogen production requirement is realized. The method comprises the following specific steps: constructing a power-hydrogen production rate mapping model to predict power consumption demands; determining the capacity of the electrolytic cell array based on the wind-solar power peak; distributing the number of the electrolytic cells in each state through a circular queue rotation strategy; and adjusting the operation power instruction according to the hydrogen production rate working condition. The system does not need an energy storage device, the wind and light fluctuation is absorbed through the self-state combination of the electrolytic cell array, and the problems of high cost, non-uniform equipment loss, high electrolytic cell monomer loss difference and the like caused by energy storage dependence in the traditional technology are solved.

The invention provides a polygeneration system and method for coupling wind-solar hydrogen production with CO2 capture and utilization, and relates to the technical field of green energy. The system comprises a renewable energy source driving subsystem used for providing green electric energy and preparing green hydrogen as an energy carrier and a synthetic raw material to be supplied to a multi-path utilization subsystem; the carbon source conversion and capture subsystem is used for receiving the biomass raw material, generating gasified synthesis gas and biomass charcoal through gasification reaction, and capturing and recycling CO2 in flue gas discharged by the system; the multi-path utilization subsystem is used for receiving H2, the gasified synthesis gas and CO2 and blending reaction components to realize synthesis of green methanol, conventional methanol and green ammonia; closed-loop circulation of carbon resources is formed among the subsystems through continuous conversion, capture and feedback paths of H2, CO2 and biomass charcoal. According to the scheme, efficient synergistic conversion of hydrogen and carbon resources and full-amount utilization of carbon elements can be achieved in regions with limited carbon sources.

The invention relates to the technical field of steel sintering processes, in particular to a biomass gasification coupling system for a steel sintering process, which comprises a biomass gasification system, a circular cooler waste heat utilization system and a waste heat power generation system, the biomass gasification system comprises a biomass drying system, a raw material conveying belt system, a biomass gasification furnace, a biomass gas heat insulation combustion chamber, a sintered coke powder preparation system and a biomass gas purification system, and the biomass drying system is used for drying biomass raw materials; and the dried biomass raw materials are conveyed to the biomass gasification furnace through the raw material conveying belt system. According to the coupling system for biomass gasification for the steel sintering process and the control method, biomass serves as zero-carbon energy, and biomass charcoal obtained after biomass gasification can replace part of solid fuel to achieve the carbon reduction effect. Meanwhile, the biomass gasified gas can replace a part of coal gas, and the carbon reduction effect can also be achieved.

The invention provides a garbage pyrolysis gasification multi-stage directional regulation-gas-solid phase reforming synergistic hydrogen production treatment process which comprises the following steps: first-stage regulation: pretreatment and graded feeding: crushing, sorting, drying and catalytic coating treatment are performed on garbage through a physical-chemical directional means; second-stage regulation and control: performing low-temperature pyrolysis directional dechlorination, and performing thermochemical directional conversion on plastic and biomass garbage at 350-450 DEG C; third-stage regulation and control: gasifying and melting are coordinated and oriented, and a gas-solid phase coupling reaction is realized in double fluidized beds at 800-900 DEG C; four-stage regulation and control: multi-stage gas-solid phase reforming is carried out, and the hydrogen yield is increased through catalysis-adsorption synergistic effect in a 700 DEG C moving bed; and five-stage regulation and control: deep purification and hydrogen purification, wherein the synthesis gas is selectively oxidized by utilizing chemical looping combustion to release hydrogen with the purity being greater than or equal to 99.99%. According to the invention, the molten ash is used as a catalytic carrier, and the Fe-Ce active sites of the molten ash are utilized to synchronously realize tar cracking and synthesis gas reforming, so that the conversion rate of tar is effectively improved.

The invention belongs to the technical field of industrial waste heat resource utilization, and provides a hydrogen-fused salt energy storage coupled industrial waste heat recovery hydrogen production system and method, a fused salt energy storage subsystem comprises an energy storage module and a waste heat heat exchange module which are connected with each other, and a thermochemical circulation subsystem adopts a reactor; the reactor adopts a horizontal fixed bed reactor, and CaO-Ca (OH) 2 particles are filled in the reactor; a heat absorption stage: the high-temperature molten salt flows through a reactor jacket, a bed layer is heated to a first preset temperature, Ca (OH) 2 is subjected to a decomposition reaction, and nitrogen is introduced in the reaction process; a heat release stage: introducing water vapor into the reactor, carrying out hydration reaction on the water vapor and CaO, heating the fused salt to a second preset temperature by virtue of reaction heat release, and providing a heat source for the electrolytic hydrogen production subsystem; through coupling of a fused salt energy storage system and CaO-Ca (OH) 2 thermochemical circulation, efficient recovery and utilization of low-grade waste heat at the temperature of 300-500 DEG C are achieved, an electrolytic bath is driven to produce hydrogen at low cost, the heat efficiency of the system is improved to 75% or above, and green hydrogen self-supply in the high-energy-consumption industry is promoted.

The invention discloses a device for preparing a molten carbon fertilizer through solid waste microwave pyrolysis and waste heat recovery, and belongs to the field of solid waste treatment and recycling. The device is composed of a pretreatment unit, a microwave pyrolysis unit, a gas-solid separation unit, a gas phase treatment unit, a solid phase treatment unit and a waste heat circulation unit, solid waste enters a microwave rotary kiln after being dried and crushed, a magnetron generates microwave anaerobic pyrolysis under photovoltaic power supply, and a high-temperature gas-solid product is generated; the cyclone separator is used for separating flue gas from solid carbon, the flue gas is condensed to obtain pyrolytic oil and gas, and waste heat of medium-temperature flue gas is recovered through the heat accumulating type heat exchanger for drying; cooling the solid carbon through a heat pipe heat exchanger, recovering waste heat and liquefying urea, and mixing the solid carbon and the urea in a stirring melting pool to prepare a molten carbon fertilizer; and the waste heat backflow fan sends the carbon waste heat back to the drying chamber. The system is driven by green electricity, gas and solid phase waste heat is recovered through double paths, solid waste efficient pyrolysis-product high value-energy self-circulation is achieved, and energy consumption and carbon emission are reduced.

The invention relates to the field of industrial silicon melt purification, and discloses an industrial silicon melt purification method based on directional solidification and composite adsorption, which comprises the following steps: S1, multi-stage directional solidification pre-enrichment: carrying out primary directional solidification treatment on an industrial silicon melt, and controlling the solidification rate to be 0.5-5mm / min and the temperature gradient parameter, most of metal impurities in the melt are pre-enriched in a specific area; s2, dynamic targeted adsorption: in or after the primary directional solidification process, an efficient composite adsorbent is dynamically and continuously added into an impurity-rich area of the melt or the whole melt in batches, and the composite adsorbent has selective adsorption capacity for different impurities; and S3, intelligent regulation and control: constructing a full-flow adaptive intelligent dynamic regulation and control system based on digital twinning and AI algorithms. Compared with the prior art, the method has the advantages that the impurities are efficiently and stably removed, the grain structure is accurately modified, and meanwhile, the green and low-carbon production target is achieved.

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 organic solid waste recycling and hydrogen energy, in particular to a hydrogen, electricity and heat co-production system and method for organic solid waste combustion and synergistic gasification. Organic solid waste is divided into high-calorific-value organic solid waste and low-calorific-value organic solid waste based on the calorific value and the water content, the high-calorific-value organic solid waste is used for calcining limestone, and the low-calorific-value organic solid waste is used for gasification; the organic solid wastes with different heat values and water contents are fully digested, and the problem of unstable operation caused by complex components of the organic solid wastes is solved. A three-stage energy gradient utilization module is constructed, and a traditional single power generation and single heat supply mode is innovated into a heat energy, electric energy and hydrogen energy co-production mode. A calcium-based material circulation system is systematically constructed, and hydrogen production-pollution control synergic integration is realized. The method has remarkable economic and environment-friendly benefits, and a solution is provided for high-value utilization of organic solid waste and preparation of green hydrogen.

The invention provides a biomass gasification system and a fluidized bed gasification process, the system comprises a fluidized bed gasification furnace, a cyclone separator and a material returning leg, the fluidized bed gasification furnace is provided with a gasification cavity and a gas chamber, and a fluidized bed formed by bed materials is arranged in the gasification cavity. Bed materials are added into the gasification furnace in a spiral feeding and pneumatic conveying combined mode, a fluidized bed is established, biomass particles are added after temperature rise, the pressure in the gasification furnace is kept to be certain, and an auxiliary gasification agent enables the biomass particles to be in a fluidized state. According to the invention, the melting characteristic of biomass ash can be effectively improved, the problem of easy slag bonding during biomass gasification is solved, the gasification temperature is effectively increased, and the methane content in the synthesis gas is reduced. The bed material can catalytically crack tar generated in the biomass gasification process, the quality of synthesis gas is optimized, the synthesis gas is prevented from being bonded and attached to the metal wall of a downstream device, the yield of the synthesis gas and the stability of the device are improved, and the heat exchange efficiency of a downstream waste heat recovery unit is enhanced.

The utility model discloses a multi-stage treatment system for high-salinity wastewater, which comprises a water sample detection and analysis system for sampling and analyzing the high-salinity wastewater in at least three batches to obtain the pH value, COD (Chemical Oxygen Demand), TDS (Total Dissolved Solids), hardness and the numerical value range of each pollutant content of the wastewater; the ozonization system is used for fully contacting the detected and analyzed high-salinity wastewater with ozone to obtain ozonized effluent; the pretreatment system is used for settling and filtering the ozonized effluent to obtain pretreated effluent and a pretreated concentrated solution; the electrolytic hydrogen production system is used for carrying out in-situ electrolysis on the pretreated effluent to obtain hydrogen, oxygen and a wastewater concentrated solution; the membrane distillation system is used for carrying out membrane distillation treatment on the wastewater concentrated solution to obtain pure water and a membrane distillation concentrated solution; the evaporation system is used for carrying out evaporation treatment on the pretreatment concentrated solution and the membrane distillation concentrated solution to obtain solid waste. According to the utility model, the wastewater utilization rate is greater than 80%, the hydrogen purity is greater than 99.9%, and the TDS of membrane distillation pure water is less than 50mg / L.

The invention discloses a high-temperature solid oxide electrolyzed water hydrogen production system coupling photo-thermal power generation and thermochemical heat storage. The system comprises a power module, a thermochemical heat storage and air supply module, a water vapor supply module and a high-temperature solid oxide electrolyzed water module. The photo-thermal power generation system provides clean electric energy and high-temperature heat energy, the thermochemical heat storage module achieves high-density storage and on-demand release of heat energy through reversible reaction, the intermittent problem of renewable energy sources is solved, and high-temperature stable operation of an SOEC electrolytic cell is ensured. Through the coupling design of the thermochemical heat storage system and the SOEC, heat flow distribution is optimized, energy consumption of traditional electric heating is reduced, the external steam heating requirement and the hot air requirement are reduced, the total energy cost of hydrogen production is reduced, and the unit hydrogen production cost is remarkably reduced. The thermochemical heat storage module can stabilize the volatility of photo-thermal power generation, so that the system can still stably supply energy when sunlight is insufficient, the utilization rate of renewable energy sources is increased, clean production of green hydrogen is achieved, and the carbon neutralization target is met.

The present invention discloses a nano copper-based catalyst, its preparation method, and its application in the electrocatalytic reduction of carbon dioxide and carbon monoxide. Copper chloride (or copper nitrate, copper acetate) is dissolved in ultrapure water, and a sodium borohydride solution is added dropwise. Stir at room temperature for 5-60 min, filter, and dry to obtain a nano copper catalyst. Further, through a displacement reaction, nano copper-palladium and copper-silver catalysts are obtained. The present invention is applied to the electrocatalytic reduction of carbon monoxide. In a membrane electrode assembly (MEA) electrolyzer, the Faraday efficiency of multi-carbon products (C2+) reaches up to 95%, the partial current density reaches up to 3 A cm-2, and the overall electrolyzer energy efficiency reaches up to 39%. It can stably electrolyze for 30 hours at 1 A cm-2. This nano copper catalyst is applied to the electrocatalytic reduction of carbon dioxide. In an MEA electrolyzer, the Faraday efficiency of C2+ reaches up to 66%, and the partial current density reaches up to 331 mA cm-2.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

The invention relates to the technical field of brick machines, and discloses an extrusion forming device suitable for coke oven glazed bricks, which comprises a feeding mechanism and a forming mechanism, the forming mechanism comprises a forming die, a hydraulic assembly used for extruding and forming raw materials and an ejection assembly used for ejecting brick bodies formed through extrusion. The forming die is provided with a plurality of side-by-side vertically-through forming groove bodies. According to the extrusion forming device for the glazed bricks of the coke oven, through the unique design of the filler assembly, the problems that powder raw materials are prone to accumulation, adhesion, uneven distribution and the like in the automatic filling process are systematically solved; the partition bodies are arranged in the filling hopper, so that the raw materials are accurately and directionally filled into a plurality of parallel forming groove bodies, the consistency and accuracy of the filling amount of each brick body are fundamentally ensured, and the sizes and the densities of finished bricks are uniform as much as possible.

The present invention discloses a rapid preparation method and application of a NiFe-LDH nickel-based electrode, belonging to the technical fields of electrolytic water hydrogen production and anion exchange membrane electrolytic water. The preparation method includes the following steps: S1. Under normal temperature and pressure, immerse the cleaned nickel-based substrate material into a ferric iron (Fe<supgt;3+< / supgt;) etching solution for chemical etching, let it stand for an appropriate time to fully react, and then take it out and dry; S2. Immerse the material obtained in step S1 into a strong alkaline solution for soaking treatment, let it stand for an appropriate time to fully react, and then take it out and dry; S3. Assemble the electrode material prepared in step S2 into a membrane electrode, and install it into a single cell of an anion exchange membrane electrolytic water tank for testing, so that it can stably convert electrical energy into hydrogen energy during operation. This technical solution can rapidly, low-cost, greenly and in large quantities prepare an electrolytic water anode electrode, overcomes the drawbacks of the cumbersome electrode preparation methods in the current same field, and is expected to promote the commercial development of alkaline membrane electrolytic water hydrogen production technology.

The application discloses a cold plasma microbubble and biomass supercritical water gasification hydrogen production system and method, and belongs to the field of biomass hydrogen production. The system comprises a raw material processing unit, a cold plasma pre-activation unit, a high-pressure subcritical pretreatment unit, a supercritical gasification reaction unit, a gas-liquid separation unit, a hydrogen gas purification unit, a waste heat recovery unit and a circulating water treatment unit. After being pulped, the raw material is modified by the cold plasma pre-activation unit to improve the activity, and then enters the supercritical reactor with a built-in catalytic bed through the high-pressure subcritical pretreatment unit containing plasma microbubble generated active species to complete the gasification. After the product gas-liquid separation, the hydrogen-containing gas is purified to obtain high-purity hydrogen gas, the liquid phase water is purified and reused, the waste heat is recovered to supply system energy consumption, and the circulating water is treated to discharge crystalline salt to prevent salt analysis. The application realizes the deep cooperation of cold plasma and supercritical water gasification, improves the gasification efficiency and hydrogen production selectivity, reduces the energy consumption, tar and carbon deposition, guarantees the stable operation of the system, reduces the comprehensive cost, and is suitable for the industrialization of biomass hydrogen production.

The invention discloses a system and method for producing hydrogen-rich fuel gas by coupling concentrating solar energy with biomass chemical looping gasification, and the system comprises a concentrating module which is used for concentrating solar energy to a fuel reactor; the fuel reactor is arranged at the focal plane of the condensation module and is used for reacting the biomass with the oxygen carrier solid particles to obtain synthesis gas and reduced oxygen carrier solid particles; the water vapor reactor is used for oxidizing the reduced oxygen carrier solid particles to generate hydrogen and oxidized oxygen carrier solid particles, and feeding the oxidized oxygen carrier solid particles into the fuel reactor to circulate and react with the biomass; and the synthesis gas regulator is used for receiving the synthesis gas and the hydrogen to obtain hydrogen-rich fuel gas. Energy is provided for the fuel reactor through the condensation module, oxygen carrier regeneration cycle is completed through the water vapor reactor, and the problems of nitrogen mixing and synthesis gas dilution caused by the fact that energy is provided by an air reactor in the prior art are solved.

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and / or strength that derive from the feedstock, heat rate, and additives.

According to the system, a PEM electrolytic hydrogen production subsystem electrolyzes fresh water through renewable energy source electric power to produce high-pressure hydrogen and oxygen, and a first strand of medium-low temperature waste heat is generated; the methanol synthesis subsystem synthesizes a green methanol product and generates a second stream of medium and low temperature waste heat; the nanofiltration-reverse osmosis combined seawater desalination subsystem is connected with the PEM electrolytic hydrogen production subsystem, the nanofiltration-reverse osmosis combined seawater desalination subsystem performs seawater pretreatment, nanofiltration desalination softening and reverse osmosis deep desalination to generate fresh water, and the fresh water is buffered by a fresh water storage tank and then is fed back to the PEM electrolytic hydrogen production subsystem to form a fresh water closed loop; the heat recovery loop is used for preheating a seawater feed entering the nanofiltration-reverse osmosis combined seawater desalination subsystem by using the first medium-low temperature waste heat from the PEM electrolytic hydrogen production subsystem and / or the second medium-low temperature waste heat from the methanol synthesis subsystem, so that the viscosity of the seawater feed is reduced, and the membrane flux is improved or the operation pressure is reduced.