186 results about "Thermochemical reaction" patented technology

The invention discloses a double-medium thermochemical energy storage system and method. The double-medium thermochemical energy storage system comprises a first regulating valve, a gas storage tank, a thermochemical reactor, a fan, a steam pocket, a water feeding pump and a circulating water pump, the first regulating valve is communicated with an inlet of the gas storage tank through the fan and the electric heater, an outlet of the gas storage tank is communicated with an inlet of a heat exchange tube in the thermochemical reactor, an outlet of the heat exchange tube in the thermochemical reactor is divided into two paths, one path is communicated with an inlet of the fan, and the other path is communicated with a shell side inlet of the steam pocket; a bottom outlet on the shell side of the steam drum is communicated with an inlet of the circulating water pump after being combined with an outlet of the water feeding pump through a pipeline, an outlet of the circulating water pump is communicated with an inlet of a heat exchange pipe in the thermal chemical reactor, a shell side outlet of the thermal chemical reactor is communicated with the pipe side of the steam drum, and a pipe side inlet of the thermal chemical reactor is communicated with a drainage pipe. According to the system and the method, the heat exchange efficiency of the thermochemical reactor can be improved.

Process for feeding plastic material, e.g. a plastic waste, to a processor such as a thermochemical reactor, e.g. a pyrolysis reactor. The process comprises an optional shredder or disintegrator (1), a conveying system (2), a feed hopper (3) with a lock hopper or rotary valve, a melting tank (6) with an agitator (5) followed by a melt pump (7) for the delivery of molten plastic to the processor. The advantage of the current process includes the ability to supply a consistent, metered flow to the processor, independent of the recycled plastic's melt properties, or the form or particle size and distribution of the plastic material.

A thermochemical reactor for receiving a source of atmospheric carbon dioxide and reducing the atmospheric carbon dioxide is provided. In one or more embodiments, the thermochemical reactor may be part of an atmospheric carbon capture system that includes a solid sorbent and an exchange fluid that is cycled between the solid sorbent and the thermochemical reactor.

The invention provides a tip Raman-based metal oxide nanoparticle in-situ detection method, which comprises: S1, dispersing metal oxide nanoparticles in a nanoparticle dispersion liquid, focusing laser to the tip of a nanometer tip through an objective lens, capturing a single nanoparticle by using an optical tweezers technology, and attaching the single nanoparticle to the nanometer tip; s2, focusing Raman laser on a nano needle tip-particle interface, generating a local high-temperature field through a photo-thermal near-field coupling effect, triggering a thermal chemical reaction of nano particles, and synchronously collecting a Raman spectrum; and S3, carrying out pretreatment and characteristic peak analysis on the collected Raman signal of the Raman spectrum, and determining the reaction critical temperature and the dynamic process in combination with temperature calibration data. According to the invention, capture and accurate heating of the nanoparticles are realized through photo-thermal coupling of the optical tweezers and the needle tip, and thermal chemical reaction monitoring of the nanoparticles is realized.

A thermal plasma can be generated using a pair of electrodes spaced apart from each other by a gap along a first direction. One or more reactants can be conveyed into and / or through at least a portion of the generated plasma. For example, the portion of the generated plasma can subject the reactant(s) to a temperature of at least 1000 K. As a result, the one or more reactants can undergo a thermochemical reaction that converts the one or more reactants into one or more products.

The invention relates to the technical field of drawing oil recovery equipment, in particular to an environment-friendly treatment system for waste aluminum drawing oil in the cable industry, which comprises a first fixing frame, a second fixing frame, a filtering mechanism, a first reaction mechanism and a second reaction mechanism, a filtering mechanism is arranged on one side of the second fixing frame and is used for primarily filtering drawing oil; the filtering mechanism comprises a first supporting frame, a material guiding tank, a filtering tank, a filtering plate, a material scraping strip and a rotating rod; a first reaction mechanism is arranged in the second fixing frame and is used for the first reaction of the filtered drawing oil; and a second reaction mechanism is arranged in the first fixing frame and is used for a second heating reaction of the drawing oil. The waste drawing oil can be subjected to the steps of filtering, heating, chemical reaction and the like, so that oil and metal scraps are separated, and recycling of the drawing oil is achieved.

The invention provides an electro / thermochemical gradient hydrogen production system and method for solar radiation energy grading and residual light energy thermal complementary coupling. The system comprises a light condensation assembly; the frequency division assembly is used for grading solar spectrum radiation; a photovoltaic cell power generation device; the methane oxygen-enriched combustion high-temperature photovoltaic power generation device is used for realizing oxygen-enriched combustion of natural gas by utilizing residual heat heat energy and generating power by utilizing radiation energy generated by high-temperature flue gas generated after combustion; the solid oxide electrolytic tank device is used for pushing solid oxide to electrolyze water to produce hydrogen by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step; and the thermal chemical reaction device is used for promoting each step of thermal chemical reaction by utilizing heat energy and electric energy contained in the high-temperature flue gas step by step. The energy source of the system is solar radiation and natural gas, hydrogen and electricity are produced, the system utilizes different energy conversion modes to achieve temperature gradient ordered conversion and utilization of residual light energy after solar frequency division, and complementary coupling of different qualities is achieved on the basis of energy gradient conversion.

The invention provides a shallow trench isolation structure, a preparation method thereof and a semiconductor device, an insulating blocking layer is formed by adopting a non-ISSG process after an oxide repair layer is formed by adopting an ISSG process and before a silicon oxide film is formed, and the blocking layer made of an insulating material can block-OH and-H ions mixed in the oxide repair layer, so that the isolation performance of the semiconductor device is improved. Therefore, nonuniformity of consumption of active sites-C-H when ozone and TEOS thermal chemical reaction are carried out by more-OH ions in the shallow trench and less-OH ions on the hard mask layer is avoided, consistency of deposition rate and uniformity of a silicon oxide film inside and outside the shallow trench is improved, early sealing of the top of the shallow trench is avoided, and the yield of the shallow trench is improved. Holes and / or gaps in the shallow trench isolation structure are reduced, the hole filling capability and quality of the HARP process are improved, and the reliability and stability of a semiconductor device formed subsequently are improved. In addition, the deposition uniformity of the HARP process on ISSG OX can be improved, and the load of the subsequent CMP process is reduced; in addition, a process window of HARP can be increased, and the back etching amount of the hard mask layer is reduced.

The invention discloses a photovoltaic and thermochemical coupled full-spectrum solar hydrogen production system. The system comprises a concentrating and frequency dividing subsystem, a photovoltaic electrolysis subsystem and a photo-thermal methanol reforming subsystem, the light condensation and frequency division subsystem is used for carrying out focusing and frequency division on the incident full-spectrum sunlight, and then the full-spectrum sunlight enters the photovoltaic electrolysis subsystem and the photo-thermal methanol reforming subsystem; the waveband sunlight matched with the photovoltaic band gap is focused and incident into the photovoltaic electrolysis subsystem to be converted into electric energy, and then water electrolysis for hydrogen production is driven; and the sunlight of the rest wave band is focused and incident to the photo-thermal methanol cracking subsystem to be converted into heat energy, so that the methanol / water reaction solution is driven to perform methanol reforming thermal chemical reaction for hydrogen production. And the photovoltaic electrolysis subsystem is connected with the photo-thermal methanol reforming subsystem, and is used for recycling waste heat generated in the photovoltaic power generation process for preheating a reaction solution and cooling a photovoltaic device at the same time. According to the invention, efficient conversion from full-spectrum solar energy to hydrogen energy is realized.

The invention discloses a latent heat integrated solar driven fluidized bed self-adaptive heat management gasification reactor which comprises a fluidized bed gasification reaction cavity, an absorption and storage integrated latent heat integration module and a supporting component. The supporting component comprises a heat insulation top cover, a heat insulation side wall, a supporting floor, a SiC packaging shell and a heat preservation material. The absorption and storage integrated latent heat integration module comprises a composite phase change material, a porous absorber and a condensation radiation absorption surface. The high-thermal-conductivity composite phase-change material is used for storing heat under continuous irradiation of solar radiation, the gasification reaction temperature is maintained in the solar intermittent period, it is guaranteed that the thermal chemical reaction is relatively stable, side reactions are reduced, and therefore the quality of synthesis gas is improved. The non-uniform design of the absorption and storage integrated latent heat integration module can effectively improve the internal temperature uniformity of the latent heat integrated solar-driven fluidized bed self-adaptive thermal management gasification reactor, and avoids the influence on the cycle life of an internal assembly due to thermal stress generated by too high temperature difference.

The invention discloses a thermochemical energy storage system and method of an integrated heat pump, an outlet of a water storage tank is communicated with a shell side inlet of a thermochemical reactor through a first water pump and a pipe side of a steam generator, and a shell side outlet of the thermochemical reactor is communicated with an inlet of the water storage tank through a shell side of a preheater and a pipe side of a waste heat recoverer; an outlet of the second water pump is divided into two paths, one path is communicated with the pipe side of the thermochemical reactor, the other path is communicated with the pipe side of the high-temperature heat exchanger through the pipe side of the preheater, and an outlet of the compressor is communicated with an inlet of the expansion machine sequentially through the shell side of the steam generator and the shell side of the high-temperature heat exchanger. And an outlet of the expansion machine communicates with an inlet of the compressor through the shell side of the waste heat recoverer. By means of the system and method, heat can be effectively recovered.

The invention discloses a visual high-temperature and high-pressure thermal chemical reaction device. An observation window is arranged in the middle of a kettle body of the reaction kettle; the injection pressurizing device is arranged on one side of the reaction kettle, is connected with an injection port of the reaction kettle and is used for injecting pressure into the reaction kettle; the extraction metering device is arranged on the other side of the reaction kettle, is connected with a sampling opening of the reaction kettle and is used for sampling and metering a sample in the reaction kettle; the image data acquisition device is arranged on the outer side of the observation window and is used for acquiring images and data in the reaction kettle; and the central controller is electrically connected with the reaction kettle, the injection pressurizing device, the extraction metering device and the image data acquisition device respectively and is used for controlling the reaction kettle, the injection pressurizing device, the extraction metering device and the image data acquisition device. The reaction kettle disclosed by the invention has the beneficial effects that high-temperature and high-pressure conditions can be realized, and a thermal chemical reaction in the kettle body can be intuitively observed.

The invention discloses a cabin multi-dimensional fire simulation method and system for fire personnel training, and the method comprises the steps: carrying out the modeling of a cabin, generating a digital twinborn body of the cabin, carrying out the initialization, and constructing a thermal fluid dynamic field, the digital twinborn body comprises a cabin geometric structure, a combustible material distribution condition and a linkage control interface of fire fighting equipment, and the cabin geometric structure is divided into a plurality of grids; fire information is obtained in real time through a sensor arranged in a cabin and mapped to the corresponding position of the digital twinborn body, a dynamic fire evolution cognitive model used for describing dynamic fire evolution is set, and the dynamic fire evolution cognitive model comprises a thermochemical reaction potential operator and a space coupling operator of flame propagation; and simulating the combustion condition of each grid through a dynamic fire evolution cognitive model, generating a final digital twinborn body, mapping the final digital twinborn body to virtual reality equipment, and completing fire training in a cabin by a user through the virtual reality equipment.

A hole structure forming method comprises the following steps: providing a substrate, and sequentially forming a hard mask layer and a photoresist mask layer on the substrate; the method comprises the following steps of: etching a hard mask layer by using a photoresist mask layer to form a groove which at least penetrates through the hard mask layer, carrying out in-situ thermal chemical reaction treatment on the side wall of the groove so as to form a protective layer of which the compactness is higher than that of the hard mask layer on the side wall of the hard mask layer, and then taking the residual hard mask layer as a mask, and etching the substrate by adopting a dry etching process to form the deep hole. The protection layer is formed through in-situ thermal chemical reaction growth, and the structure of the protection layer is compact, so that in the process of performing dry etching on the substrate to form the deep hole, the protection layer can effectively resist the damage of etching plasma to the side wall of the hard mask layer in the dry etching process, the deep hole with better side wall morphology can be formed, and the service life of the deep hole is prolonged. The consistency of the width sizes of the top and the bottom of the deep hole is improved, and the electrical performance and the reliability of the finally formed semiconductor structure are improved.

According to the heat storage system and the heat storage method, hot water heat storage and thermochemical heat storage of a thermochemical heat storage system are coupled, low-temperature heat is stored through pressurized water heat storage, high-temperature heat is subjected to thermochemical storage through a thermochemical heat storage material, and cascade heat storage is achieved. The invention provides a heat storage system. The heat storage system comprises a pressure-bearing hot water storage tank, a thermal chemical reaction device and a compression device. Wherein the thermochemical reaction device is internally provided with a thermochemical heat storage material, a product generated in a heat storage reaction of the thermochemical heat storage material comprises water, the product is in contact reaction with water to release heat in an exothermic reaction, and a gas inlet and a gas outlet of the thermochemical reaction device are communicated with the pressure-bearing hot water storage tank; and the compression device is arranged on a communicating pipeline between the gas outlet of the thermal chemical reaction device and the pressure-bearing hot water storage tank.

Thermogravimetric Reactor (TGR) and process to study weight change behavior of carbonaceous solids / catalysts during thermo-chemical reactions in gaseous environment up to the maximum operating temperature of 1000° C. and at atmospheric pressure are disclosed. The device includes a vertical tube reactor, digital weighing balance, gas feeding system equipped with volumetric flow controllers, rotameters, isolation valves and non-return valves to introduce inert and reactive gases and their mixtures to the reactor. It also has a movable electrical furnace heater for sudden heating / cooling of sample as per requirement. It also has sample feeding / loading system comprising containers of different sizes and shapes with a hanging arrangement There is arrangement to test the product gas composition with on line gas analyzer in the exit line or collecting the outgoing gas from the sampling port for off line gas analysis. The system also has control panel to store and display data including process parameters.

The invention belongs to the field of thermochemical energy storage, and discloses a thermochemical energy storage device based on inductive heating and an operation method thereof, the thermochemical energy storage device comprises a thermochemical reactor, an inductive heating reaction module and an inductive coil; an inner cavity of the thermal chemical reactor is sequentially divided into a preheating section, an inductance heating section and a cooling section from top to bottom, and the inductance heating reaction module is vertically arranged in the inductance heating section; the inductive heating reaction module comprises a plurality of annular cylinders and a steam inlet and outlet pipe, and the annular cylinders are coaxially arranged and sleeved at intervals; a heat exchange working medium channel is formed between every two adjacent annular cylinders; each annular cylinder body comprises a metal inner cylinder and a metal outer cylinder which are coaxial and sleeved at an interval, and an annular material channel is formed between the metal inner cylinder and the metal outer cylinder; the steam inlet and outlet pipes are vertically arranged in the annular material channel and are annularly distributed at intervals; the inductance coil is wound on the outer side of the thermal chemical reactor and is arranged in the area range of the inductance heating section; the rapid and uniform heating requirement in the thermochemical energy storage process is met.

The invention relates to a side-suction gasifier, belonging to the technical field of biomass gasifiers, comprising a belt conveyor feeder, a furnace body, a mesh rotating grate and a spiral elevator, wherein the furnace body comprises an inner sleeve and an outer sleeve, the diameter of the outer sleeve is greater than the diameter of the inner sleeve, a flange is fixedly connected to the middle position of the side wall of the inner sleeve, the flange is fixedly connected to the upper end of the outer sleeve, the mesh rotating grate is fixedly connected to the bottom of the outer sleeve, a blower is connected to the bottom of the mesh rotating grate, a discharge port is arranged at the bottom of the mesh rotating grate, and the discharge port is connected to the spiral elevator; gasification medium enters the furnace body from the top opening of the inner sleeve along with fuel, the blower blows the gasification medium into the furnace body from the bottom of the furnace body, the gasification medium is introduced from the top and bottom of the furnace body, the speed of the thermochemical reaction of the fuel is increased, the ash is output from the furnace body through the discharge port by the spiral elevator, and the ash is easy to clean.

The application discloses a medical waste pyrolysis system and a pyrolysis method based on low-temperature pyrolysis, which comprises a pyrolysis furnace, one end of the pyrolysis furnace is connected with a feeding unit, the other end of the pyrolysis furnace is connected with a slag discharging unit, the front end and the rear end of the pyrolysis furnace are respectively connected with a front distributor and a rear distributor, and the gas outlet of the front distributor and / or the rear distributor is connected with a burner; the burner is connected with the pyrolysis furnace for providing heat; and the burner is connected with a tail gas treatment device through a waste heat boiler. The medical waste is indirectly heated under an oxygen-free or oxygen-deficient working condition, the continuous endothermic and exothermic reactions are utilized, the organic components in the medical waste are subjected to thermal cracking and thermal chemical reactions, the original molecular structure is changed, the medical waste is changed into different phase-state substances, pyrolysis gas and pyrolysis carbon are generated, the continuous pyrolysis treatment of the medical waste is realized, the heat is recycled, and the cost is reduced; and the system has high comprehensive heat energy utilization rate and high waste resource utilization rate.

The invention discloses a foamed ceramic filling type thermochemical reactor with a bionic leaf structure, and belongs to the field of solar thermochemical energy storage. The device comprises a reactor cavity, a foamed ceramic matrix, a shell, a light incidence window, an air inlet pipe and an air outlet pipe, the reactor cavity is installed in the shell, the light incidence window is formed in the top of the reactor cavity, the foamed ceramic matrix is arranged in the reactor cavity, and the air inlet pipe communicated with the outside is arranged at the top of the reactor cavity; a gas outlet pipe communicated with the outside is arranged at the bottom of the reactor cavity, the problems of large radiation heat loss, large temperature gradient and energy-flow mismatching generally existing in an existing reactor are solved, and the reactor cavity following the principle that bullets penetrate through an object to release energy to the maximum degree is provided. And meanwhile, the foamed ceramic matrix with a bionic leaf type foam porous structure is filled, so that more light rays can enter the reactor cavity and are efficiently absorbed, transmitted and converted.

The invention discloses a heat supply system and method based on thermochemical energy storage and phase change energy storage, an outlet of a water storage tank is divided into two paths after passing through a first water pump, one path is communicated with a pipe side inlet of a thermochemical reactor, the other path is communicated with an inlet of a heat exchanger, a pipe side outlet of the thermochemical reactor is divided into three paths, the first path is communicated with an inlet of the phase change heat storage unit, the second path is communicated with a shell side inlet of the thermochemical reactor, the third path is communicated with an inlet of the heat exchanger, a shell side outlet of the thermochemical reactor is communicated with an inlet of the ejector, an outlet of the water storage tank is communicated with an inlet of the ejector, and an outlet of the water storage tank is communicated with an outlet of the heat exchanger. An outlet of the ejector communicates with an inlet of the phase change heat storage unit, an outlet of the phase change heat storage unit communicates with an inlet of the heat exchanger, an outlet of the heat exchanger communicates with an inlet of the water storage tank, and the energy utilization efficiency of the system and method is high.

The invention relates to a method and a device for producing hydrogen by decomposing water molecules by thermochemical reaction using small amounts of active substances. The thermochemical reaction is initiated by solar energy having a medium concentration of up to 50 times sunlight, which may be effected by linear or parabolic concentrators.

A method for producing hydrogen by thermochemical splitting of water includes injecting one or more feed streams of water into a reaction chamber. The method further includes using a molten salt heated by a subterranean heat source to carry out the thermochemical splitting of water to form hydrogen and oxygen in the reaction chamber. The formed products are subsequently removed from the reaction chamber. Hydrogen formed in the reaction chamber may be used in a downstream process to generate hydrocarbons.

Various aspects of this disclosure relate to large-scale commercial systems and methods of thermochemical processes to produce green hydrogen or syngas from one or more of a hydrocarbon, H2O, and CO2 via a thermochemical gas splitting reactor system. In some embodiments, the systems and methods include a standalone thermochemical reactor that bypasses the requirement for direct concentrated solar radiation as the source of process heat. In some embodiments, the systems and methods include a well-insulated, refractory-lined steel pressure vessel, in which process gases heated indirectly via radiation can be delivered to facilitate the desired thermochemical reactions in a fluidized bed configuration.

The invention discloses a lithium battery thermal runaway early detection device and method based on gas spectrum analysis, and relates to the technical field of thermal runaway detection.A miniature gas sampling channel is arranged in a lithium battery pack or near a single battery cell, gas drainage is configured, gas released in the battery operation process is sampled, and gas sample data is obtained; according to the method, a multi-stage gas spectral analysis process is constructed, multi-dimensional spectral characteristics such as spectral peak intensity, spectral position offset and full width at half maximum are extracted from trace release gas collected in the running process of the lithium battery, a thermal runaway risk vector is constructed, and the thermal runaway risk vector is input into a thermal runaway recognition model MOD for real-time risk judgment. The early thermal chemical reaction process in the battery is effectively identified, the pre-judgment of the thermal runaway trend is completed in advance, the early warning of the thermal runaway state of the lithium battery is realized, the preposition of the system response and the safety protection level are improved, and the overall safety performance and reliability of the battery pack are improved.

The application discloses a high-flux heat exchange device based on a thermo-chemical reaction auxiliary, which comprises a heat exchange chamber and a chemical phase change working medium. The chemical phase change working medium comprises a liquid cooling base fluid and a reversible thermal decomposition solute. The thermal decomposition temperature threshold of the reversible thermal decomposition solute is lower than the physical boiling point of the liquid cooling base fluid under the current environment. When the temperature or pressure of the heat exchange surface reaches the thermal decomposition temperature threshold, the reversible thermal decomposition solute undergoes an endothermic decomposition reaction on the heat exchange surface, rapidly generates a large number of non-condensable bubbles and high-frequency separates, thereby triggering strong local micro-convection disturbance of the fluid and absorbing a large amount of chemical decomposition heat, and finally achieving heat dissipation of the heating element. The application accelerates the transfer of wall heat by using a thermo-chemical reaction, and improves the separation rate of bubbles at the solid-liquid interface, breaks the engineering resistance that bubbles are difficult to nucleate and efficiently separate in traditional boiling heat transfer, and realizes rapid and large absorption and transfer of the combined chemical reaction heat of the solute and the latent heat of vaporization of the base fluid.

The invention relates to the field of thermochemical in-situ reaction, and discloses a thermochemical reaction tank suitable for X-ray transmission in-situ analysis, which comprises a reaction generation module and a base support module, the reaction generation module comprises a reaction tube, a thermocouple, a heating resistance wire and a temperature control device. According to the invention, X-ray transmission-type analysis can be realized, and related structural characteristic changes of the material in a working process in a high-temperature and high-pressure environment can be accurately obtained; the device has a high altitude level time resolution, and has advantages for capturing an intermediate process highly dependent on time in a reaction process; the reaction tank is not limited by reaction gas selection and has a large-temperature-range heating function, so that the reaction tank can meet complex in-situ reaction experiment conditions; the method is high in characterization expansibility, can be combined with a mass spectrometer or a spatial resolution capillary sampling mass spectrometer for use, and simultaneously monitors product dynamic information in a reaction process; the device is small in size, easy to disassemble and convenient to replace to different instrument platforms for working; the device is simple in overall structure, low in manufacturing cost and beneficial to application and popularization.

The invention provides a light energy-electric energy-chemical energy coupling coal-fired unit system and an operation system. The system comprises a coal-fired power generation subsystem, a photovoltaic-thermochemistry subsystem and a Kalina circulation subsystem. The coal-fired power generation subsystem is connected with the photovoltaic-thermochemistry subsystem, and the photovoltaic-thermochemistry subsystem is connected with the Kalina circulation subsystem; the coal-fired power generation subsystem is used for basic power generation and peak regulation of the whole system; the photovoltaic-thermochemistry subsystem is used for converting solar energy into electric energy through a photovoltaic device and driving a reversible thermochemistry device based on a calcium-based compound by using the electric energy, so that conversion and storage of electric energy-heat energy-chemical energy are realized; the Kalina circulation subsystem is used for waste heat utilization of thermal chemical reaction products. The heat storage / release temperature is matched with the coal-fired system through thermochemical reaction pressure regulation and control, dynamic regulation of the Kalina cycle working medium concentration is combined, the irreversible loss of heat transfer is remarkably reduced, and the comprehensive energy utilization efficiency is improved.

The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting a metal, or an alloy thereof, with steam to produce a metal oxide and / or a metal hydroxide and hydrogen. The method then comprises contacting the metal oxide and / or the metal hydroxide produced in the thermochemical reaction with water or a basic aqueous solution to produce a solution comprising a metal ion. Finally, the method comprises conducting an electrochemical reaction by applying a voltage across an anode and a cathode, whereby at least a portion of the cathode contacts the solution comprising the metal ion, to produce hydrogen, oxygen and the metal, or the alloy thereof.

The invention discloses an electricity-heat-hydrogen comprehensive energy system based on thermochemical energy storage, which is characterized in that an outlet of a thermodynamic cycle system is communicated with an inlet of a steam turbine, a steam extraction opening of the steam turbine is communicated with a shell side inlet of a thermochemical reactor, a shell side outlet of the thermochemical reactor is communicated with an inlet of a solid oxide electrolytic tank, and a shell side outlet of the solid oxide electrolytic tank is communicated with a shell side outlet of the steam turbine; a hydrogen outlet of the solid oxide electrolytic tank is communicated with an inlet of the hydrogen storage tank, an oxygen outlet of the solid oxide electrolytic tank is communicated with an inlet of the oxygen storage tank, an outlet of the hydrogen storage tank is communicated with an inlet of the combustion chamber, an outlet of the oxygen storage tank is communicated with an inlet of the combustion chamber, and an outlet of the combustion chamber is communicated with an inlet of the steam turbine. By means of the system, a unit can better absorb new energy for power generation, and stable operation of a power grid is kept.