1118 results about "Boiler (power generation)" patented technology

The invention discloses a steam and fused salt coupled heat storage and release peak shaving system and method. The existing steam sensible heat molten salt heating or pure electric molten salt heating technology has the problems of complex technical process, high construction cost, high implementation difficulty, low system electricity-electricity conversion efficiency and the like. The system comprises a fused salt storage system, a heat storage and exchange system, a heat release and exchange system, boiler equipment and steam turbine equipment, an outlet of the boiler equipment is connected with the steam turbine equipment and the heat storage and exchange system, the fused salt storage system is connected with the heat storage and exchange system and the heat release and exchange system, and the heat release and exchange system is connected with the steam turbine equipment. According to the invention, machine-boiler decoupling and electric heat storage peak regulation of a traditional thermal power plant can be realized. In the heat storage process, latent heat and sensible heat energy of main steam are stored in a fused salt storage system through a heat storage and exchange system, and deep peak regulation and energy storage are achieved; and in the heat release process, heat in the fused salt storage system is released through the heat release heat exchange system, and steam is prepared and supplemented into steam turbine equipment so as to improve the power generation power.

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 discloses a heat supply unit coupling fused salt heat storage power generation peak regulation system and an operation method.The system comprises a power station boiler, a turboset and a fused salt heat storage peak regulation device, and the fused salt heat storage peak regulation device comprises a low-temperature fused salt storage tank, a high-temperature fused salt storage tank, a fused salt heat storage mechanism and a fused salt heat release mechanism; the fused salt heat storage mechanism heats fused salt in a stepped mode through steam waste heat, flue gas waste heat and electric energy for heat storage, heat obtained after the waste heat is recycled is used for heat supply through steam, and when the system is subjected to load rising and peak shaving, the fused salt heat release mechanism conducts three-stage cooling heat exchange on the high-temperature fused salt for heat release. High-parameter steam generated by high-temperature molten salt cascade heat release is returned to the turboset to do work and generate power, and medium-parameter steam is generated to replace steam extraction and heat supply of the turboset to increase power generation of the turboset. By reasonably designing a multi-stage heat exchange flow process in the fused salt heat storage and release process, cascade efficient utilization of different grades of energy is achieved, and the high efficiency and flexibility of system operation are 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 slag sampling device for the garbage power generation boiler comprises a sampling rod, one end of the sampling rod is provided with a grip and a sampling groove, the sampling rod is further provided with a connecting cylinder, a connecting rod, a cleaning lantern ring and a limiting bolt through a vertical rod, the connecting cylinder, the connecting rod, the cleaning lantern ring and the limiting bolt are parallel to the sampling rod, and the limiting bolt is a hand-screwing bolt. According to the slag sampling device for the garbage power generation boiler disclosed by the utility model, not only can the basic requirement of sampling the slag be met, but also the residual slag adhered to the outer side wall of the sampling structure can be cleaned through the residual material cleaning structure after the sampling structure obtains enough slag samples and before the sampling structure leaves the interior of the boiler; and the slag remaining on the outer side wall of the sampling structure is prevented from falling off after the sampling structure moves to the outside of the boiler.

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.

The invention is applicable to the technical field of thermal equipment performance monitoring, and provides a quantitative calculation method for peak regulation unit output by combustion heat value change, which comprises the steps of deriving a main steam flow calculation equation, deriving a unit output calculation method and solving unit output change. According to the method, the variable quantity of the main steam flow before and after the coal low calorific value is changed is obtained according to the mass and energy conservation principle of a unit after the coal low calorific value is changed, and then a quantitative calculation equation of the influence of the main steam flow change on the unit power generation power is obtained through derivation according to thermodynamics and the water vapor acting conversion principle; the calculation iteration thought is combined with a water vapor state equation and a variable working condition equation of steam turbine flow change to check the accuracy of main steam flow calculation, and then the purpose of quantitatively calculating the main steam flow of the peak shaving unit and the unit generation power after the coal heat value changes is achieved. The technical problem that the current boiler cannot quantitatively calculate the output power of the peak regulation unit according to the change of the fuel heat value is solved.

Provided is a boiler in which an ammonia fuel burner (110) has an atomizer (111) that guides ammonia fuel toward a furnace along a second axis (X2) and injects the ammonia fuel from a tip (111a), and the injection amount of ammonia fuel injected from the tip (111a) to one side closer to the center of the furnace than the second axis (X2) is greater than the injection amount of ammonia fuel injected from a plurality of second injection holes (111a2) to the other side closer to the wall surface of the furnace than the second axis (X2).

The invention relates to the technical field of thermal power generation, in particular to thermal power generation waste heat recycling equipment. The tobacco leaf discharging wheel is arranged at the bottom of an inner cavity of the water heat exchange shell, and the center is sleeved on a power output shaft of the motor. A plurality of annular shells are concentrically arranged at the top of the inner cavity of the water heat exchange shell; water inlet and outlet joints are respectively arranged on the top surfaces of the annular shells corresponding to the two sides of the inner cavity partition plate; the water inlet pipe communicates with the water inlet joint; the water outlet pipe is communicated with the water outlet joint; the connecting smoke pipe is used for connecting the smoke discharge elbow and the bottom of the smoke discharge cylinder; the air heat exchange piece comprises annular pipe bodies arranged outside the smoke exhaust cylinder in a sleeving mode in pairs and a plate-shaped shell with the top and the bottom connected with the annular pipe bodies. The air inlet pipe and the exhaust pipe are respectively connected with annular pipe bodies at the top and the bottom of the air heat exchange piece; the air pump output end is connected to the air inlet pipe input end; a strip-shaped groove connected with the plate-shaped shell in an inserted mode is formed in the circumferential wall of the smoke discharging barrel. And the heat recovery rate of waste gas discharged by the thermal power generation boiler 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 invention discloses a double-medium heat storage type gas-steam combined cycle combined heat and power generation unit which comprises a gas turbine power generation system, a waste heat boiler system, a steam turbine power generation system, a flue gas bypass baffle, a fused salt heat storage system, a water heat storage system, a heat storage water feeding pump and the like. In the off-peak period of power utilization of a power grid, the double-medium energy storage system firstly stores exhaust heat of a gas turbine, the effect that a steam turbine is reduced to the minimum load and even stops running is achieved, then residual on-grid electric quantity heat of a unit is stored, and the double-medium energy storage system releases heat and generates steam to supply industrial steam extraction of the unit while storing heat; in the peak period of power utilization of the power grid, the double-medium energy storage system releases heat and generates steam to supply industrial steam extraction of the unit and extrudes steam extraction of the original unit, and the original steam turbine generates power at the peak. A flexible and efficient combined heat and power generation mode is provided, the problems that a gas-steam combined cycle combined heat and power generation unit is low in heat supply energy efficiency and serious in loss in the power utilization trough period of a power grid are solved, and the operation flexibility of the unit is improved.

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 present invention relates to the technical field of power supply control, and specifically to an intelligent control system and method for a power station based on a thermal power unit, comprising: a power grid feedback module, a cabin separation module, a quality monitoring module, a steam output module and a feeding control module, wherein the power grid feedback module is used to evaluate power grid demand and calculate boiler gas pressure, the cabin separation module is used to recover tail gas and separate boiler cabins, the quality monitoring module is used to calculate a steam output function and a driving steam volume, the steam output module is used to mix steam from two cabins, and the feeding control module is used to adjust a fuel feeding speed and parameters of steam in the cabin. The present invention can optimize the energy consumption of a thermal power unit, improve energy utilization efficiency, enable a generator set to achieve stable and reliable power supply, and help improve the power generation efficiency of a thermal power station and reduce the operating cost of the power station.

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 utility model relates to the technical field of garbage recycling power generation, in particular to an environment-optimized efficient garbage incineration power generation device which comprises a main body, a boiler is arranged in the main body, a combustion bottom plate is arranged at the bottom of the boiler, and vent holes are formed in the combustion bottom plate; the extrusion mechanism is arranged in the feeding box, a water outlet is formed in the bottom of the feeding box, and a sewage box is arranged at the top of the feeding box; the purification mechanism is fixedly connected to the side edge of the main body, and the top end of the purification mechanism extends into the boiler; the garbage disposal device has the beneficial effects that through the arrangement of the extrusion mechanism, a first servo motor drives a power roller to rotate, the power roller is meshed with a driven gear through a driving gear to drive an extrusion roller to extrude and push garbage, so that sewage in the garbage is extruded and dried, and the situation that the incineration speed is low and the incineration efficiency is affected due to the sewage in the garbage in subsequent incineration is avoided.

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 photovoltaic and photo-thermal coupled natural gas pressure energy and cold energy power generation, hydrogen production and hydrogen doping system, and belongs to the field of energy recovery. The system comprises a traditional pressure regulating branch and an expansion power generation hydrogen production branch. The traditional pressure regulating branch consists of a pressure regulating valve and a heater; the pressure regulating valve is arranged on the pipeline and is used for regulating flow and controlling a switch; the heater is used for heating natural gas in the traditional pressure regulating branch. The expansion power generation hydrogen production branch is used for generating power by recycling pressure energy of the high-pressure natural gas and cold energy generated by expansion; and meanwhile, the purpose of heating natural gas is achieved. The expansion power generation hydrogen production branch comprises a natural gas expansion machine, a condenser, a secondary heater, a pump, an organic Rankine cycle expansion machine, an evaporator, a heat storage water tank, a photovoltaic photo-thermal assembly, a battery, an ORC power generator, a gas-fired boiler, a natural gas expansion power generator and a water electrolysis hydrogen production device. Low-temperature natural gas flowing out of the natural gas expansion machine is subjected to cold energy recovery through a condenser, and organic Rankine cycle is used for achieving cold energy recovery. The problems of natural gas pressure energy waste, cold energy recovery after natural gas expansion, electrolytic hydrogen production and natural gas hydrogen doping can be solved.

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 a real-time online prediction method for the influence on the output of a thermoelectric unit, which belongs to the technical field of performance monitoring and diagnosis of thermal equipment and comprises the steps of deriving a main steam flow calculation equation, deriving the change of the output of the thermoelectric unit, solving the change of the electric power of the unit and the like. According to the mass and energy conservation principle of the unit after the change of the excess air coefficient, a quantitative calculation equation of the influence of the generation power of the unit caused by the change of the excess air coefficient is obtained by combining a mathematical differential thought; operation data of a benchmark working condition of a unit DCS, unit design parameters, unit test data and unit excess air coefficient variation are input, and real-time online prediction and calculation of the main steam flow and the unit generation power of the thermoelectric unit can be achieved according to excess air coefficient variation in combination with a computer technology and an algorithm program. The problem that the existing boiler cannot quantitatively predict and calculate the power output of the thermoelectric unit according to the boundary condition change of the excess air coefficient is solved.

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.