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

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 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 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 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 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 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 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 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 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 present application relates to a kind of cross-border integrated energy system collaborative operation optimization method considering carbon-green certificate combined transaction, first, build cross-border integrated energy system CBIES, cross-border integrated energy system CBIES including gas turbine, gas boiler, renewable energy unit, energy storage device, electric boiler, wherein renewable energy unit includes wind power generation and photovoltaic power generation, energy storage device includes battery and heat storage tank;Second, propose the cross-border integrated energy system model considering heat network, power grid loss, on the basis of fully considering cross-border energy flow and conversion, introduce cross-border green certificate, carbon transaction, establish the cross-border integrated energy system collaborative optimization model considering carbon-green certificate combined transaction;Finally, the collaborative operation optimization result is obtained by the model simulation established.This application provides optimization method, which can reduce the operation cost of integrated energy system in different countries, and also improve energy optimization configuration and renewable energy consumption amount.

The invention discloses a three-layer dynamic optimization control system for deep peak regulation and primary frequency modulation of a thermal power generating unit, and belongs to the technical field of thermal power generation frequency modulation. A power grid frequency response model based on a traditional unit comprises a global coordination layer, an optimization control layer and an execution control layer. According to the signal uplink path, the execution control layer uploads unit state parameters to the optimization control layer in real time, and the optimization control layer receives signals and uploads dynamic response characteristics to the global coordination layer; the global coordination layer issues an optimization instruction, distributes total frequency modulation power and a power distribution proportion of a boiler and a steam turbine, the optimization control layer receives the optimization instruction from the global coordination layer, optimizes and calculates a unit target power value and a control boundary and issues a signal to the execution control layer, and the execution control layer receives the signal and controls the unit target power value and the control boundary. And stabilizing power grid fluctuation by utilizing turbine and boiler characteristic response. The control precision of the wide load range is improved, the combustion process is optimized, coal consumption and emission are reduced, and the energy efficiency of the unit is improved.

This invention discloses a deep peak-shaving system and method for thermal power plants based on ammonia cracking hydrogen production coupled with deep utilization of waste heat. It relates to the field of thermal power generation and includes a gasifier, an ammonia cracking hydrogen production unit, a cooler, a separator, an ammonia storage tank, an ammonia-hydrogen storage system, a peak-shaving burner, and a boiler. This invention utilizes the waste heat of the thermal power boiler to vaporize liquid ammonia into gaseous ammonia. The ammonia cracking hydrogen production unit uses medium- and high-temperature waste heat or electrical energy, along with an ammonia cracking catalyst, to crack a portion of the ammonia gas, producing an ammonia-hydrogen-nitrogen mixture. This mixture is then separated by a separator to obtain an ammonia-hydrogen mixture. The ammonia-hydrogen mixture is mixed with ammonia gas to produce mixtures with different ammonia-hydrogen ratios, which are stored in the ammonia-hydrogen storage tanks. The ammonia-hydrogen ratio used in the burner is adjusted according to different loads to maintain stable combustion. This invention can maintain stable combustion in the burner under low loads, achieving deep peak-shaving of thermal power plants, and can also deeply utilize waste heat from thermal power plants, improving power generation efficiency.

The invention discloses a waste heat boiler power generation optimization method for a gas-steam combined generator set, and the method comprises the steps: deeply cooling the exhaust gas temperature to below 75 DEG C through a multi-stage anti-corrosion heat exchange device, and carrying out the heat exchange through an intelligent control heat medium water circulation loop; the recycled heat is distributed to natural gas preheating, refrigeration, heat supply, air preheating and the like according to the priority in a cascade mode. According to the system, efficient deep recovery and comprehensive utilization of flue gas waste heat are achieved, the energy efficiency and economical efficiency of the unit are remarkably improved, and safe and reliable operation of the system is ensured through intelligent anti-corrosion control.

The utility model discloses a novel combined cycle unit flue gas waste heat utilization seawater desalination system which comprises a waste heat boiler hot water system, a material water supply system, a cooling water system, a saline water system, a finished product water system and a vacuum system, the waste heat boiler hot water system comprises a waste heat boiler, a steam-water separator, an evaporator and a condenser which are connected in sequence, and the steam output end of the steam-water separator is connected with the evaporator; the hot water output end of the steam-water separator is connected with the waste heat boiler through a hot water return pipeline; a hot water booster pump is arranged on the hot water return pipeline; the evaporators are multi-effect evaporators and have eight effects, and the condensed water output end of the first-effect evaporator of the evaporators is connected with the hot water return pipeline. According to the scheme, the tail heating surface is additionally arranged on the basis of an original boiler, the exhaust gas temperature of the waste heat boiler is reduced, the recycled heat is increased, and the external hot water supply amount is increased under the condition that the power generation output of an original unit is not affected.

The invention discloses a thermal power plant deep peak regulation system and method utilizing high-temperature heat storage energy, and belongs to the field of coupling of industrial high-temperature heat storage energy and thermal power plant deep peak regulation. The system comprises a heating unit which is connected with an electric energy conversion and supply unit and / or a heat energy transfer and storage unit so as to convert electric energy or steam heat energy into heat storage energy of heat storage particles; the heat storage unit is used for storing the high-temperature heat storage particles conveyed by the heating unit; the heat release unit is used for receiving the high-temperature heat storage particles conveyed by the heat storage unit; wherein the heat release unit is a fluidized bed boiler in a thermodynamic system of a thermal power plant, so that heat storage energy of the heat storage particles is transmitted to the original thermodynamic system of the thermal power plant, and deep peak regulation of the thermal power plant is realized through overheating thermal power generation with rated parameters generated by the thermodynamic system. By means of the system, the problem that in the deep peak regulation process of an existing thermal power plant, a thermodynamic system of the thermal power plant and an industrial solid-state high-temperature heat energy storage technology are not coupled is solved.

The invention belongs to the technical field of thermal power generation intelligent control, and discloses a boiler heating surface soot blowing opportunity judgment method and device, equipment and a medium, an input signal is constructed according to the load change rate, a compensation coefficient is output through a trained correction model, a boiler heating surface cleaning factor is compensated, and a soot blowing opportunity judgment result is obtained. Identifying that the boiler is in a statistical controlled stable operation interval, collecting historical measurement values of the compensation cleaning factor under various working conditions, and determining a safe operation lower limit; performing sliding window filtering processing on the current measurement value of the compensation cleaning factor to obtain a target cleaning factor; and if the target cleaning factor is continuously lower than the safe operation lower limit and exceeds the set duration, generating a soot blowing trigger instruction, thereby realizing dynamic compensation of the cleaning factor in a rapid variable load state and accurate screening of the stable operation state of the boiler, reducing misjudgment of the soot blowing opportunity, improving the accuracy of determination of the soot blowing opportunity of the heating surface of the boiler, and improving the reliability of the soot blowing opportunity. And intelligent control over soot blowing operation is improved.

The invention provides a kiln head waste heat utilization method and relates to the technical field of cement production, a kiln head waste heat utilization system is used, the kiln head waste heat utilization system comprises a coal mill circulating air unit and a waste heat power generation air circulating unit, and the coal mill circulating air unit is connected between a coal mill system and a grate cooler air collecting box. The waste heat power generation wind circulation unit at least comprises a first waste heat power generation wind sub-circulation unit, and the kiln head waste heat utilization system cancels a coal mill waste gas discharge coal mill chimney; the kiln head waste heat utilization method comprises the following steps that smoke entering a coal mill system passes through a coal mill circulating air unit and then enters a grate cooler air collecting box to be recycled through the coal mill circulating air unit; a part of smoke entering the waste heat boiler enters an air collecting box of the grate cooler for recycling through the first waste heat power generation air sub-circulation unit by means of the first waste heat power generation air sub-circulation unit. The problems of reducing air consumption, reducing waste gas emission and recovering waste heat of waste gas are solved.

The invention discloses a photo-thermal power generation technology-based power and heat combined supply type virtual power plant optimization scheduling method. The method comprises the steps of constructing a multi-energy virtual power plant model comprising wind power generation, photovoltaic power generation, a photo-thermal power plant, an energy storage device and an electric boiler; utilizing Latin hypercube sampling to process wind and light output uncertainty; a double-layer optimization strategy and a hybrid dragonfly differential evolution algorithm (CT-DADE) based on a chaos theory are adopted to carry out optimization scheduling. An upper-layer optimization scheduling model takes wind and light output deviation minimization and economic benefit maximization as targets, and the output deviation is corrected through energy storage and an electric boiler; and the lower-layer optimization scheduling model optimizes the electric heating load curve by combining the time-of-use electricity price and the flexible load regulation characteristics. According to the method, a virtual power plant model including photo-thermal power generation, wind power generation, photovoltaic power generation, energy storage equipment, an electric boiler and a flexible load is constructed, uncertainty disturbance and supply-demand imbalance of new energy consumption are comprehensively considered, and stable supply and economical operation of an electric heating system are achieved.

The invention discloses a control method for automatic air distribution of a garbage incinerator, which is applied to garbage incineration power generation equipment, and the garbage incineration power generation equipment further comprises a steam boiler and a steam turbine generator unit. The garbage incinerator comprises a drying section, a combustion section and a burnout section; each section comprises two furnace bodies which are communicated with each other; each furnace body is provided with two primary air inlets, the total number of the 12 primary air inlets is 12, and the air inlet flow of primary air is controlled through one primary air baffle; the automatic air distribution system automatically adjusts a primary air baffle through PID, so that each air chamber obtains the required air volume. By adopting the technical scheme, the labor intensity of operators is reduced; adjustment is carried out according to the garbage heat value and the actual combustion working condition, the air volume needed by each air chamber is obtained through calculation, the opening degree is automatically adjusted through the air door baffle PID, automatic air distribution of the garbage incineration grate furnace is achieved, and the garbage incineration efficiency is improved.

The invention discloses a wind and light heat supply type thermal power heat energy improving system based on waste heat collaboration and a control method. The system comprises a photovoltaic power generation unit, a wind power generation unit, a heat supply conversion device, a heat storage device, a heat pump device, a flue gas waste heat recovery device and a central control system. The photovoltaic power generation unit, the wind power generation unit, the heat storage device and the heat pump device are all connected with the heat supply conversion device, and the heat storage device is connected with the boiler. And the heat storage device, the heat pump device and the flue gas waste heat recovery device are all connected with the central control system. By arranging a photovoltaic power generation unit, a wind power generation unit, a heat supply conversion device, a heat storage device, a heat pump device, a flue gas waste heat recovery device and a central control system, a heat energy management structure of new energy electric heating cooperation-flue gas waste heat composite regulation and control-heat storage center management is provided; space-time complementation and energy quality collaboration among different heat sources are truly achieved, and therefore the overall heat efficiency and flexibility of a thermal power plant are remarkably improved.

According to the distributed energy coupling park energy platform energy consumption monitoring system provided by the invention, an energy consumption acquisition-distributed energy operation-energy management three-in-one closed-loop energy consumption monitoring system is constructed, and low-carbon and zero-carbon operation of a park is realized through data driving; the energy consumption acquisition module acquires energy consumption data and operation condition parameters of a park boiler, water consumption equipment, a lighting system, production line equipment and an air conditioning system, and eliminates exceeded abnormal values based on a 3 sigma criterion, so that the data accuracy is guaranteed; the distributed energy operation module collects operation data of waste heat power generation, wind power, photovoltaic, heat pump and hydrogen energy storage equipment, and receives a regulation and control instruction through the control module containing the PID and MPC sub-module; the energy management module outputs a 1h-24h load prediction result through an LSTM neural network, the optimization scheduling unit combines a consumption rate formula and a carbon emission formula to generate a regulation and control instruction containing equipment target parameters, and finally realizes precise monitoring of energy consumption of the park in cooperation with the digital twinborn visual monitoring module of the three-dimensional park.

The invention belongs to the technical field of power system dispatching methods, and particularly relates to a water storage and navigation aid waterway hydrogen chain and drainage basin power system cooperative dispatching method for a hydropower station. Comprising the following steps: establishing an RSOC operation constraint considering flexible conversion of hydrogen production and power generation; constructing an HV space-time energy transfer constraint; constructing a short-term scheduling model of the waterway hydrogen chain basin power system; designing a double-layer algorithm capable of realizing optimal distribution of thermal power of the thermal power plant and the electric boiler; processing the nonlinear constraint of the short-term scheduling model by adopting a linearization method, and solving the short-term scheduling model to obtain an optimization strategy; and guiding short-term cooperative operation of the waterway hydrogen chain and the watershed power system thereof according to the optimization strategy. The scheduling method can further reduce the system operation cost while giving consideration to the energy balance of the waterway hydrogen chain and the watershed power system thereof, coordinates the contradiction between the hydropower station power generation power and the HV transfer feasibility, and improves the operation flexibility of the thermal power plant.

The invention discloses a corn straw biological power generation analysis method based on ecological environment protection, and relates to the technical field of biological power generation analysis, and the corn straw biological power generation analysis method comprises the following steps: continuously scanning a straw flow to obtain multi-source heterogeneous data; inputting multi-source heterogeneous data into the straw characteristic analysis model, and deconstructing key physical and chemical parameters; the key physical and chemical parameters are received, a power generation load instruction and real-time state data of boiler operation are combined, a multi-target optimization problem with the boiler thermal efficiency, the slagging risk index and the key pollutant emission concentration as optimization targets is solved through a power generation prediction control model, and a feeding instruction and a combustion instruction are generated; feeding combustion is monitored, and disturbance parameters and combustion state detection data are obtained; constructing a hybrid control model, and performing control parameter adjustment on known disturbance caused by fuel characteristic fluctuation in disturbance parameters; and the combustion state prediction deviation of the power generation prediction control model and unknown disturbance in the disturbance parameters are adjusted in real time.

The invention provides a high-temperature heat storage method and system of a coupling peak regulation boiler. The method comprises the steps that hot flue gas of the peak shaving boiler and a low-temperature solid particle heat storage material are mixed and subjected to heat exchange, and a high-temperature solid particle heat storage material is obtained; the high-temperature solid particle heat storage material is stored in a heat preservation mode; the high-temperature solid particle heat storage material exchanges heat with water or water vapor to generate high-temperature steam, and at least part of the high-temperature steam is used for power generation; carrying out mixed heat exchange on the high-temperature solid particle heat storage material and gas to obtain high-temperature flue gas; and at least part of the high-temperature flue gas is sent back into the peak regulation boiler. The technical scheme can be widely applied to the technical field of boiler peak regulation.

The invention belongs to the technical field of control of thermal power generation boiler protection systems, and particularly relates to a boiler tripping prevention method and system for a steam turbine bypass system. When the unit load is smaller than 30% of the rated power (bypass capacity) and the bypass system of the unit is in a closed state, a steam turbine trips due to faults, and control logic enables a boiler not to trip and to keep a normal operation state by quickly opening a high bypass pressure regulating valve and a low bypass pressure regulating valve of the bypass system within set time; therefore, on one hand, the bypass system can ensure that the reheater of the unit has a certain steam flow, dry burning of the reheater is avoided, and the effect of protecting the reheater is achieved; and on the other hand, grid-connected power generation of the unit can be quickly recovered after the turbine fault is removed, so that the downtime is reduced, and the stability of the whole system is facilitated.

The invention relates to the technical field of power generation, in particular to a power station boiler high-temperature thick-wall component stress monitoring system and method.The system comprises at least one high-temperature strain gauge, at least one high-temperature sensor, at least one high-temperature sensor, at least one high-temperature sensor and at least one high-temperature sensor, the at least one high-temperature strain gauge deforms under the condition that the temperature of the wall surface is greater than a preset temperature; the at least one temperature sensor is used for collecting the actual temperature of the high-temperature thick-wall part of the power station boiler; the at least one strain collector is used for generating a strain value of the at least one high-temperature strain gauge; and the monitoring assembly is used for inquiring the material elasticity modulus of the power station boiler high-temperature thick-wall component by taking the actual temperature as an index, and calculating the stress value of the power station boiler high-temperature thick-wall component by combining the strain value. According to the invention, the high-temperature stress-strain testing technology can be applied to the stress online monitoring of the high-temperature thick-wall part of the thermal power plant boiler, and the safety risk caused by creep-fatigue damage during the operation of the high-temperature thick-wall pipeline can be effectively predicted.