814 results about "Boiler (power generation)" patented technology

The invention discloses a thermal power generating unit frequency modulation and peak regulation performance optimization method, system and device and a storage medium, and relates to the technical field of thermal power generation control, and the method comprises the steps: obtaining historical working condition data of a thermal power generating unit, building a target prediction model based on the historical working condition data, inputting real-time working condition data to the target prediction model, the method comprises the following steps: determining prediction signals of future coal as fired quantity and pulverized coal flow velocity and load variation of a thermal power generating unit, determining delay information between a coal as fired quantity signal and a pulverized coal flow velocity signal according to the prediction signals and corresponding actual signals, compensating system response lag time difference based on the delay information, and determining the coal as fired quantity according to the load variation. Determining adjustment values of the coal as fired and the air volume, and adjusting the coal as fired and the air volume in real time based on the adjustment values; and on the basis of a cascade control strategy, the air powder flow speed and the air powder temperature of the boiler are adjusted in real time, rapid response to dynamic changes of a combustion system is achieved, and the adjusting capacity of a thermal power generating unit under frequent load fluctuation is improved.

The invention relates to the technical field of peak regulation of power generation systems, in particular to a multi-mode power generation system for a new energy large base and an operation method of the multi-mode power generation system. The multi-mode power generation system comprises a thermal power station and a fused salt energy storage power station. The thermal power station comprises a boiler, a first turbine, a first water return unit and a first generator; the fused salt energy storage power station comprises a high-temperature fused salt tank, a low-temperature fused salt tank, a fused salt heating unit, a steam-water heating unit, a second water return unit, a second steam turbine and a second generator; an air inlet of the fused salt heating unit is configured to obtain steam flowing out of the boiler, and a second discharging opening of the fused salt heating unit is connected with the first water return unit; an air outlet of the steam-water heating unit is connected with the first steam turbine and the second steam turbine. The first water return unit and the second water return unit are connected with a second feeding port of the steam-water heating unit. The multi-mode power generation system can set different operation modes according to different requirements, so that the new energy large base can meet higher requirements.

The invention relates to the field of thermal power generation, and discloses a thermal power boiler combustion optimization method based on multi-parameter feedback control, which comprises the following steps: acquiring key parameters such as oxygen concentration, temperature, pulverized coal concentration, air flow, pulverized coal flow and boiler load in boiler operation; establishing a distributed parameter model for describing dynamic changes of oxygen concentration, temperature and pulverized coal concentration in the hearth along with time and space; key characteristic variables representing the combustion state are extracted through multi-scale analysis; dynamically optimizing multiple parameters of different areas in the hearth based on a distributed feedback controller; a global optimization objective function is constructed, and the ratio of the air flow to the pulverized coal flow is dynamically adjusted; and the optimized control instruction is sent to a boiler system, and combustion parameters are adjusted in real time through an execution mechanism. According to the method, through distributed modeling, multi-scale analysis and feedback control, the combustion efficiency is remarkably improved, pollutant emission is effectively reduced, and the method can adapt to coal quality fluctuation and load change.

The invention discloses an intelligent prediction and scheduling management system based on hazardous waste incineration waste heat recovery power generation, relates to the technical field of hazardous waste incineration waste heat recovery power generation, and aims to monitor key parameters such as temperature, pressure, flow and flue gas components in the hazardous waste incineration process in real time, and determine the hazardous waste incineration waste heat recovery power generation through data processing and feature extraction. And the hazardous waste incineration heat value, the waste heat boiler steam production amount and the power generation amount are accurately predicted. Meanwhile, the system combines power grid load change and price fluctuation, realizes intelligent regulation and control of equipment operation and maximization of waste heat recovery efficiency and generating capacity through an optimization scheduling algorithm, can improve energy recovery efficiency to the maximum extent, reduces energy waste, improves economic benefits and environmental sustainability of the system, and has wide application prospects. The power generation benefit can be improved in the field of hazardous waste incineration, and reference can be provided for other industrial waste heat recovery power generation systems.

The invention discloses a multi-microgrid operation optimization method considering supply and demand flexible double responses. The method comprises the following steps: establishing a cost optimization model of multi-microgrid electric energy cooperation sharing; a gas turbine, a waste heat boiler and an organic Rankine cycle power generation device are introduced to construct a supply side response model for flexible output of electricity and heat energy of the cogeneration unit; a demand side establishes a demand side flexible response model by considering transferability and replaceability of the electric heating load; and a multi-microgrid electric energy sharing cooperative operation model is established based on the Nash negotiation theory, and then the model is decomposed into a microgrid alliance benefit maximization sub-problem and a benefit distribution sub-problem. And in the cooperative income distribution sub-problem, the micro-grids negotiate with each other by taking the electric energy contribution and the marginal contribution degree of the micro-grids in cooperation as bargaining capabilities, so that fair distribution of cooperative income is realized. According to the optimization method provided by the invention, the advantages of flexible supply and demand and resource coordination and complementation can be brought into full play, and the condition of unreasonable income distribution of each micro-grid in the multi-micro-grid cooperation system is improved.

According to the annual constant-temperature flue gas source heat pump system based on gas turbine combined heat and power generation, high-temperature flue gas generated by the gas turbine is recycled so as to reduce pollution and improve the energy utilization rate, the waste heat boiler recycles waste heat of a flue gas high-temperature section, and the temperature control unit supplies water to the waste heat boiler; the heat pump unit is used for recovering waste heat of a low-temperature section in the flue gas and heating water in a pipeline of the temperature control unit; the heat pump unit comprises an evaporator and a condenser; the temperature control unit switches the system operation state according to the seasonal mode and adjusts the gas inlet temperature of the gas turbine to the standard temperature; according to the scheme, through innovative designs of comprehensive cold and heat utilization, cold and heat combined supply, flue gas extraction mode innovation, modular design, condensate water recovery treatment, working medium direct circulation and the like in the system, the heat efficiency, the operation flexibility and the resource utilization efficiency of the system are remarkably improved, and meanwhile the operation risk and the investment cost are reduced.

The utility model provides a flexible peak shaving system for a fused salt energy storage coupling thermal power generating unit. The flexible peak shaving system comprises a thermal power generation system, a fused salt heat absorption unit, a fused salt storage unit and a fused salt heat release unit. In the peak regulation stage of the thermal power generating unit, the fused salt heat absorption unit operates, part of main steam is extracted to serve as a heat source and exchanges heat with fused salt to achieve fused salt heat absorption, meanwhile, the fused salt heat release unit operates, a first steam return pipe is opened and used for supplementing boiler reheat steam, the problem of boiler cold overtemperature during fused salt energy storage is solved, and the system can operate smoothly and safely. When the thermal power generating unit operates at the peak, the fused salt heat release unit operates, the fused salt heat absorption unit does not operate, the first steam return pipe is closed, high-temperature fused salt heats supplied water shunted by the water supply unit to generate steam, and the steam converges to a main steam pipeline and / or a reheat steam pipeline through a pipeline and / or exchanges heat with condensate water of the water supply unit through the pipeline. And the molten salt heat release process is realized.

The invention discloses a combined heat and power system and method for coupling thermochemical energy storage. According to the technical scheme, the combined heat and power system coupled with thermochemical energy storage comprises a thermochemical energy storage device, a compressed air energy storage device, a waste heat boiler and a steam turbine power generation device. In a low ebb of electricity utilization, heat storage is performed on the thermochemical energy storage device by adopting electric energy, and gas exhausted by the thermochemical storage tank is further stored by adopting a compressed air energy storage device; in the power utilization peak or peak, the compressed air energy storage device is started to release energy, the thermochemical energy storage device is started to release heat to the outside, high-temperature gas exhausted through heat release reaction is supplied to the waste heat boiler, steam generated by the waste heat boiler drives the steam turbine power generation device to generate power, and exhausted steam is used for supplying heat to the outside to achieve cogeneration. Thermochemical energy storage, compressed air energy storage, the waste heat boiler and steam turbine power generation are coupled for application, and the energy utilization efficiency of the thermochemical energy storage system is effectively improved.

The invention relates to the technical field of power generation system transformation, in particular to an energy storage power generation system and method based on thermal power plant transformation. The Carnot battery unit comprises a liquid carbon dioxide storage tank, an electric heater, a compressor, a heat storage transducer heat flow channel and an expansion machine which are connected in sequence, and the liquid carbon dioxide storage tank adopts a boiler drum of a thermal power plant and stores liquid carbon dioxide liquefied by a water chilling unit of the thermal power plant; the heat storage circulating unit exchanges heat with a heat flow channel of the heat storage transducer to store heat; the steam power generation unit adopts a thermal power plant steam generator set and extracts heat stored by the heat storage circulation unit for steam power generation. The thermal power generating unit is transformed into the carbon dioxide Carnot battery energy storage system, the defect that a power grid is unstable in the process that a traditional thermal power plant is gradually converted into new energy is overcome, double stable output electric quantity is achieved, the system efficiency is improved, and meanwhile high economic benefits are achieved.

The invention belongs to the technical field of thermal power generation, and relates to a thermal power plant steam turbine dead steam heat exchange device which comprises a boiler, and a dead steam treatment mechanism is mounted on one side of the boiler. The boiler generates high-temperature and high-pressure steam to drive the steam turbine to rotate, heat energy is converted into mechanical energy, the mechanical energy is transmitted to the generator through a coupler, a generator rotor rotates in a magnetic field, electric energy is generated through electromagnetic induction, dead steam generated by the steam turbine is distributed to the heat exchange assembly through a gas conveying pipe, and heat energy is recycled through primary and deep heat exchange and then cooled. And during the period, the water pump is used for assisting water drainage, the smooth proceeding of the water drainage process is ensured, and the condensed water can enter the boiler again to be recycled after being treated, or other treatments are carried out according to actual needs.

The invention discloses a device and method for inhibiting the blockage of a waste heat boiler, and relates to the technical field of waste heat power generation. The device and method for inhibiting the blockage of a waste heat boiler include a machine body, and also include a stirring device, a sewage discharge device and a pretreatment device; wherein, a steam port is fixedly connected to the top of the machine body, a preparation bin is fixedly connected to the left side of the machine body, and a water inlet is fixedly connected to the left side of the preparation bin; wherein, the stirring device includes a motor, a transmission shaft, a support plate 1, a scraper 1, a long plate 1, a baffle, a rotating shaft, a long plate 2, a support plate 2 and a disc; the device and method for inhibiting the blockage of a waste heat boiler, when the support plate 1 and the support plate 2 rotate, the support plate 1 and the support plate 2 will drive the scraper 1 to scrape the inner wall of the machine body, and when the scraper 1 scrapes in the machine body, the scraper 1 will scrape off the impurities and dust inside the machine body, which can effectively prevent the impurities from adhering to the inner wall of the machine body and prevent the machine body from being corroded.

The invention discloses a comprehensive energy optimization scheduling method considering combustion of gas turbines with different hydrogen doping ratios, and belongs to the technical field of gas turbines, and the method comprises the steps: constructing a source-network-load-storage integrated combined cooling heating and power comprehensive energy system which covers an energy production layer, an energy conversion layer, an energy storage layer and an energy consumption layer; wherein in the energy consumption layer, electric load is supplied by gas turbine power generation, wind and light direct supply and energy storage discharge in a combined mode, heat load is borne by gas turbine waste heat, a gas-fired boiler and a heat storage system together, the coverage rate of a sensitive area is increased through the ergodicity of a chaotic system, population aggregation is avoided through initial value sensitivity, and it is ensured that all optimization schemes cover a key decision interval; meanwhile, in the algorithm evolution process, through a self-adaptive crossover variation mechanism, early enhancement of sensitive area exploration to capture efficiency inflection points and later fine development and positioning of an optimal solution, the problem of key solution omission of a traditional algorithm is thoroughly solved, and a more accurate hydrogen doping ratio reference is provided for system operation.

The invention discloses a storage and supply system for enhancing flexible operation of a coal power unit by a pulverized coal bunker, particularly relates to the field of thermal power generation, and is used for solving the problem that fuel conveying and combustion are asynchronous during rapid load adjustment of the coal power unit. Coordination control is carried out with the unified fuel demand as the center, the lag effect of pulverized coal storage and release is accurately predicted and counteracted before pulverized coal enters a boiler, and the pulverized coal conveying rhythm is closely aligned with the actual coal use demand. In this way, the oxygen amount and temperature fluctuation in the boiler combustion process are greatly reduced, and the problems that due to the fact that fuel supply is fast and slow, combustion in the boiler is not stable, and pollutant emission is increased are solved; meanwhile, the whole control method can automatically learn and adjust, frequent human intervention is not needed, operation is simpler, more convenient and safer, the capacity of a power plant for rapidly adapting to power grid load changes is remarkably improved, and the flexible advantage of pulverized coal storage and supply is fully played.

The invention relates to the technical field of ocean engineering, in particular to a test method suitable for an ORC system performance test. The method comprises the following steps that a heat medium boiler, an air cooling tower and an ORC system are connected, a heat source pipeline and a cold source pipeline are established, and temperature parameters are set; the air cooling tower is started to exhaust air and exchange heat with refrigerant water, organic working medium condensation is accelerated, and it is guaranteed that the cooling efficiency reaches the standard; electrical, instrument, logic and safety protection tests are completed; the system is started and continuously operates for 120 minutes, and whether the temperature, the electrical parameters and the mechanical state are normal or not is monitored in real time; a dry type load device is connected to simulate power generation, and the output performance and stability of the ORC system under the load are verified; and closing the equipment and recovering the original pipeline, and simulating all actions before the ORC system is started. Coolant water and an air cooling tower are used for forced ventilation and cooperative heat exchange, and working medium condensation is accelerated. A cable health degree model is introduced, the cable insulation performance is dynamically evaluated by combining parameters such as temperature and load fluctuation, and the test logic is optimized.

The invention provides a thermal power generating unit operation control method and device, electronic equipment and a readable storage medium, and belongs to the technical field of thermal power generation control. The method comprises the steps of obtaining a current operation load rate of a thermal power generating unit; based on the current operation load rate, according to a preset relation table or a preset relation curve, the high-alkali coal blending proportion is determined, and the preset relation table or the preset relation curve is used for representing the corresponding relation between different operation load rates and the high-alkali coal blending proportion; and on the basis of the high-alkali coal blending proportion, an in-furnace raw coal switching system of the thermal power generating unit is controlled to adjust the input amount of high-alkali coal powder and low-alkali coal powder input into the boiler. According to the operation load rate of the thermal power generating unit, the blending proportion of the high-alkali coal in the pulverized coal needed for boiler combustion is determined, normal work of the boiler can be guaranteed, the slag bonding amount can be reduced, the use amount of the high-alkali coal can be increased, and the power generation cost is effectively reduced.

The invention discloses power generation thermal equipment special for waste incineration, and relates to the technical field of waste incineration power generation, the power generation thermal equipment special for waste incineration comprises a heating surface, a dynamic heating mechanism is arranged outside the heating surface, and the dynamic heating mechanism is used for adjusting a heating part so as to improve heat absorption efficiency and comprises a heating cylinder installed in the heating surface; fins are installed outside the heated barrel, surge bins are installed at the upper ends and the lower ends of the fins, and coil springs are installed in the surge bins, so that the heated surface is adjustable, when the smoke is large in displacement and high in flow speed, the smoke drives the heated barrel to rotate through the fins, the back face of the heated barrel is heated as well, and heat absorbed in unit time is increased; the heat exchange process is strengthened, and when the smoke discharge amount is small and the flow speed is low, the fins have the blocking and flow dividing effects on the smoke, so that the flow field of the smoke in the waste heat boiler is more uniform, the situation that the local flow speed is too high or too low is avoided, and the flow resistance is reduced.

The invention discloses a zero-carbon glass kiln process. A system required by the process comprises a photovoltaic power generation device, an air separation device, a water electrolysis hydrogen production device, a mixer, a methanation device, a waste heat boiler I, a reforming device, a glass kiln, a waste heat boiler II and a dust removal and desulfurization device. Green oxygen, green nitrogen and green hydrogen are produced through green electricity driving; the flue gas of the glass kiln is cyclically enriched into high-concentration carbon dioxide (95.0 v% or above), the high-concentration carbon dioxide and green hydrogen are subjected to a methanation reaction to produce methane, and the methane, the carbon dioxide and water vapor are subjected to a reforming reaction to produce carbon monoxide and hydrogen; carbon monoxide and hydrogen are used as fuel of the glass kiln, green oxygen and carbon dioxide are mixed to form carbon-based oxygen-enriched combustion which is used as a combustion improver of the glass kiln, carbon-based oxygen-enriched combustion of the glass kiln is carried out, and redundant carbon dioxide is sold. According to the invention, the purposes of greenness, energy conservation, almost no nitrogen oxide and zero carbon are realized.

The utility model discloses a sealing device for connecting a boiler and a dry bottom hopper, and relates to the technical field of thermal power generation equipment. The device is characterized by comprising an upper connecting plate, the upper connecting plate is welded to a wedge block below a water cooling wall in the boiler, and an inserting plate is fixedly arranged on the outer side of the upper connecting plate; an angle iron flange is coaxially arranged on the upper side of one end, far away from the inserting plate, of the upper ring plate; lower supporting channel steel is arranged below the upper annular plate at intervals, and a skin is arranged between the angle iron flange and the lower supporting channel steel. A non-metal heat insulation assembly is arranged in the space among the lower supporting channel steel, the upper annular plate and the skin and can absorb the deformation of the boiler in the vertical direction when the boiler is heated to expand. The sealing device adapts to deformation generated by the boiler or the dry bottom hopper through deformation of the sealing device, and compared with a water seal tank mode in the prior art, the problems of dust accumulation, corrosion and the like existing in the using process of the water seal tank can be avoided.

A gas resource utilization balance control system and control method based on a steel plant, belonging to the technical field of energy conservation and carbon reduction, solves the technical problem of gas resource waste in the existing gas pipeline network. The present invention is implemented through the following technical scheme: a gas resource utilization balance control system based on a steel plant, which is arranged in parallel with the existing energy consumption pipeline network system, and the existing energy consumption pipeline network system includes a number of user ends arranged in parallel and a gas release system arranged in parallel with the user ends; wherein: the gas resource utilization balance control system includes a gas system, a heat storage system, a power generation system and a power generation coupled with heat storage balance control device; the gas system includes a built-in boiler of a gas unit, and the heat storage system includes a heat storage device and a water supply pump. The present invention has the advantages of safety and practicality, reasonable design, environmental protection and high efficiency, and is suitable for large-scale promotion.

The embodiment of the invention provides a multi-steam-source cooperative frequency modulation combined heat and power generation system and a control method. The system comprises a boiler, a high-pressure cylinder, an intermediate-pressure cylinder, a low-pressure cylinder, a power generator, a multi-stage regenerative heater, a heating system and a heating steam supply pipeline. A main steam outlet of the boiler is connected to the high-pressure cylinder through a main steam pipeline, a steam exhaust port of the high-pressure cylinder is connected to the intermediate-pressure cylinder through a pipeline, a steam exhaust port of the intermediate-pressure cylinder is connected to the low-pressure cylinder through a pipeline, and a steam exhaust port of the low-pressure cylinder is connected to the generator through a pipeline. A condensate water outlet of the medium-pressure cylinder is communicated to a condensate water inlet of the boiler through a first condensate water pipeline; the heating system is communicated with a steam exhaust port of the medium-pressure cylinder through a heating steam supply pipeline; the multi-stage regenerative heater is arranged on the first condensate water pipeline and connected with the high-pressure cylinder and / or the intermediate-pressure cylinder through steam extraction pipelines, and steam extraction adjusting valves are correspondingly arranged on the steam extraction pipeline between the high-pressure cylinder and the multi-stage regenerative heater and / or the steam extraction pipeline between the intermediate-pressure cylinder and the multi-stage regenerative heater.

The invention relates to the technical field of thermal power plant peak regulation, in particular to a thermal power plant peak regulation system based on electric power spot transaction. The peak shaving system comprises a boiler system used for generating high-pressure main steam and reheat steam in the production process and a steam turbine power generation system used for generating power according to the high-pressure main steam generated by the boiler system, and further comprises a control system and a power supply system, the control module is used for generating a first control instruction according to the obtained real-time electricity price and preset electricity price of the electric power spot market, and sending the first control instruction to the fused salt heat storage and exchange system; the fused salt heat storage and exchange system is used for extracting high-pressure main steam and reheated steam generated by the boiler system according to the first control instruction to perform heat exchange with pre-stored low-temperature fused salt; and the extracted high-pressure main steam generated by the boiler system is converted into a liquid-state water solution, the reheated steam is converted into low-temperature steam, and the low-temperature fused salt is converted into high-temperature fused salt.

The utility model discloses a peak regulation and capacity increase system suitable for a supercritical unit, which is characterized in that excessive heat energy and electric energy are stored in fused salt through organic fusion of a steam-fused salt energy storage technology and an electric heating fused salt energy storage technology in the off-peak period of a power grid, and the generated output of a thermal power generating unit is reduced; and in the peak period of the power grid, the stored high-temperature fused salt is used for generating supercritical parameter steam, and the supercritical parameter steam and steam generated by the boiler enter the steam turbine together to do work through expansion, so that the power generation power of the unit is improved. The bidirectional load regulation of the supercritical thermal generator set is realized, and the flexibility of the set is greatly improved. The system disclosed by the utility model not only can reduce the power generation output of the unit in a low-load stage, but also can increase the peak capacity of the unit in a high-load stage, has double effects of downward peak regulation and upward capacity increase, is an important regulation technology for a future high-capacity thermal power generating unit, particularly a supercritical unit, and has a wide application prospect. The method plays an important role in construction of a novel power system.

The invention discloses an integrated heat storage gas-steam combined cycle power generation system and an operation method thereof. The integrated heat storage gas-steam combined cycle power generation system comprises a gas turbine power generation unit, a fused salt heat storage unit and a waste heat boiler steam power generation unit. When sunlight is sufficient, the gas turbine power generation unit is switched to a low-load operation mode, the fused salt heat storage unit heats to generate reheated steam, inlet feed water of the waste heat boiler is preheated, and the peak regulation depth of gas-steam combined cycle is increased; and when sunlight is insufficient, the fused salt heat storage unit continuously releases heat storage capacity to maintain the stability of main steam parameters and quits operation until the heat storage capacity reaches a critical threshold value, at the moment, the gas turbine power generation unit is improved to the reference load to operate, and stable power supply of a power grid is ensured. The novel hybrid power generation system is constructed by fully utilizing the heat storage characteristic of the fused salt and combining the flexible scheduling capability of the gas turbine unit, so that the operation flexibility is improved, the fuel consumption is reduced, and the energy utilization efficiency is improved.

A system for boiling a fluid to produce a vapor through the reaction of one or more reactive gases within the fluid is generally disclosed. The system may include a gas meter to provide specific quantities of the one or more gases to a reaction zone. The system can include electrodes that are constantly operating. Once the one or more gases pass between the electrodes from the gas meter, the electrodes automatically ignite the gas or gases without requiring control systems to trigger the electrodes' operation. The vapor and / or resultant thermal energy generated by the system can be used to provide heat, steam, warmed water, and / or other reactants for use. The vapor generated by the system can be used for power generation to turn a turbine, to provide heat via a radiator, or for various other uses.

The invention discloses a coal power unit flue gas waste heat power generation carbon dioxide capture comprehensive utilization system, which is characterized in that a flue gas waste heat ammonia steam turbine generator set is replaced by a flue gas waste heat low-temperature nitrogen steam turbine generator set or an expansion machine generator set, low-temperature nitrogen after doing work absorbs heat from flue gas, the flue gas is reduced to a lower temperature, and the flue gas waste heat ammonia steam turbine generator set is replaced by the expansion machine generator set. Carbon dioxide trapped after purification treatment is hydrogenated to prepare methanol which returns to the boiler for combustion, and the process is repeated, so that the coal consumption of the boiler can be reduced, and the problems of carbon dioxide absorption and storage are solved; part of power generated by the low-temperature nitrogen steam turbine generator unit or the expansion machine generator unit is used for producing hydrogen / oxygen by electrolyzing water, a low-temperature nitrogen freezing treatment device and other auxiliary machines, and the rest part increases the on-grid power, so that the benefits of the coal power unit are greatly improved. The methanol returns to the boiler for combustion, so that the effects of low-load stable combustion of the boiler and rapid load rising of the boiler can be achieved, and the requirements of deep peak regulation and high load change rate of a new-generation coal power unit are met.

The mobile charging equipment comprises a semi-trailer type vehicle body, an energy storage compartment, a photovoltaic power generation and heat collection device, a solar photovoltaic panel, a storage battery pack, a heat collection device, a water electrolysis hydrogen production pool, a hydrogen storage tank, a boiler device, a steam turbine generator unit and a fuel cell power generation system. By integrating the technologies of solar power generation and heat collection, solid oxide water electrolysis hydrogen production, steam turbine unit power generation, fuel cell power generation and the like, convenient energy supplementation of the electric agricultural machine is achieved. The equipment is an efficient and environment-friendly energy supply platform, automatic control and remote management can be achieved, and operation convenience and efficiency are improved. Meanwhile, the steam turbine power generation and fuel cell technology is adopted to replace a traditional diesel generator, pollutant emission is reduced, and the requirements of green energy and sustainable development are met. In addition, the equipment can serve as energy storage equipment when being idle, peak load shifting of energy is achieved, and agricultural modernization and sustainable development are promoted.

The utility model relates to the technical field of hot steel coil heat recovery, in particular to hot steel coil heat recovery equipment. The hot steel coil heat recovery equipment comprises a heat recovery module A, a heat recovery module B, a heat exchange medium storage tank A, a heat exchange medium storage tank B, a flash evaporation system and a waste heat boiler, and a heat exchange medium stored in the heat exchange medium storage tank A flows through the heat recovery module A for heat exchange and then is input into the heat exchange medium storage tank B; and a heat exchange medium in the heat exchange medium storage tank B is input into the flash evaporation system to generate steam A, the steam A input by the flash evaporation system flows through the heat recovery module B for heat exchange to obtain steam B, the obtained steam B is input into the waste heat boiler, and steam C output by the waste heat boiler is used for power generation or drying or is input into a steam pipe network. The hot steel coil heat recovery equipment and the hot steel coil transfer heat in a direct contact mode. By means of the hot steel coil heat recovery equipment, the investment cost is low, and the heat exchange efficiency and the waste heat recovery rate can be effectively improved.

The invention discloses a thermal power generation equipment control signal optimization method and system based on deep learning, and the method comprises the steps: collecting the operation data of thermal power generation equipment in real time, extracting key features in combination with principal component analysis, and carrying out the modeling and prediction of the spatial features and time sequence features of the equipment through CNN and LSTM, thereby achieving the optimization of the control signal of the thermal power generation equipment. And according to a prediction result of the deep learning model, constructing a multi-objective optimization function of fuel consumption minimization, pollutant emission minimization and equipment efficiency maximization, generating an optimization control signal, and dynamically adjusting operation parameters of equipment, such as fuel flow, air supply quantity and boiler load. And meanwhile, the real-time performance and accuracy of the control signal are ensured by periodically updating the deep learning model. The method can significantly improve the operation efficiency of thermal power generation equipment, reduce fuel consumption and pollution emission, prolong the service life of the equipment, and is suitable for efficient intelligent operation control in the field of thermal power generation.

The utility model discloses a central water treatment filtering device for desalted water production. A raw water inlet pipe of a reservoir is communicated with a water inlet pipeline of each filter; the ultrafiltration processors are connected in series; a water outlet of each filter is communicated with a water inlet pipeline of the first-stage ultrafiltration treater; a water outlet of the N-stage ultrafiltration treater is communicated with a water inlet pipeline of the filtered water storage tank; a water outlet of the filtered water storage tank is communicated with a water inlet pipeline of the primary reverse osmosis processor; all stages of reverse osmosis processors are connected in series, and water outlets of the N stages of reverse osmosis processors are communicated with a demineralized water storage tank pipeline. According to the device, the content of various pollutants in water entering the ultrafilter can be reduced, a filter element for ultrafiltration and reverse osmosis can be protected, the content of various impurity ions in the water after ultrafiltration is reduced, the conductivity of produced water is about 10 us / cm, the hardness is 0.01 mol / L or below, the produced water is used for supplementing water for a steelmaking and steel rolling heating furnace, and generated steam can be used for power generation of a steam turbine. Water consumption is reduced, resources are saved, and the accumulation speed of scale in the boiler is effectively reduced.

The invention discloses a continuous preparation and supply method of green hydrogen, and relates to the technical field of green hydrogen production. Comprising the following steps: (1) generating power by utilizing solar energy, wind energy or tidal energy, introducing the obtained electric energy into an electrolysis center through a line, electrolyzing water by the electrolysis center to produce green oxygen and green hydrogen, and enabling the green oxygen to enter a straw pure-oxygen gasification furnace for gasification reaction to obtain raw material gas; and (2) mixing the raw material gas obtained in the step (1) with green oxygen generated by an electrolysis center, and carrying out pure oxygen combustion in a gas-fired boiler to generate steam and high-purity CO2. According to the method disclosed by the invention, green hydrogen, CO and CO2 can be continuously and stably produced by adopting a straw gasification mode, and particularly, the green hydrogen effectively supplements the unstable green hydrogen production process of wind energy and solar energy, so that the organic combination and supplementation of renewable energy and straw energy are realized. The green hydrogen produced by the method can be used for synthesizing chemicals such as ammonia, methanol, methane and the like.