1235 results about "Superheated steam" patented technology

The invention provides a power plant steam extraction energy storage and power generation optimization method and system based on fused salt heat storage, and relates to the technical field of electric power. The extracted steam is introduced into a multi-stage tandem type steam-molten salt heat exchanger group; when the load of the power grid is higher than a preset dynamic threshold value, conveying the high-temperature fused salt to the cascade fused salt-water heat exchanger group by adopting a multi-path parallel fused salt conveying system; in the fused salt-water heat exchanger group, a structure of combining countercurrent flow heat exchange and a spiral heat exchange pipe is adopted, so that the heat exchange efficiency is improved, and superheated steam is generated; the generated high-temperature and high-pressure steam is conveyed to the improved steam turbine with the variable air inlet area, the air inlet area is dynamically adjusted according to the power grid load requirement, and the efficiency of the steam turbine is optimized; the intelligent power grid technology and the demand side response strategy are utilized to realize bidirectional interaction between the power generation end and the power utilization end, and power supply and demand are dynamically balanced.

The invention discloses a boiler combustion strategy optimization method, system, equipment and medium, and relates to the technical field of combustion strategy optimization, and the method comprises the steps: employing a width-adaptive triangular convolutional neural network to establish a prediction model of boiler thermal efficiency, NOx emission and superheated steam temperature; constructing a boiler multi-target combustion optimization intelligent agent, and introducing a maximum entropy parameter to obtain all boiler combustion optimal strategies as a target, and obtaining any strategy of which the value is higher than a threshold value; and based on the combustion strategy, outputting a next state through the trained prediction model, obtaining a reward corresponding to the current state, and performing iterative optimization on the boiler multi-target combustion optimization agent according to the current state, the combustion strategy, the next state and the reward corresponding to the current state. And taking the combustion strategy until the optimal reward is obtained as the optimal boiler combustion strategy. On the premise of guaranteeing the stability of the hot steam temperature, the effects of reducing the emission concentration and guaranteeing the stability of the heat efficiency of the boiler are achieved.

The invention provides a cooking utensil superheated steam system and a temperature control method thereof, and relates to the technical field of steam cooking. The superheated steam system of the cooking utensil comprises the cooking utensil, a steam module, an ultrasonic heating module, a temperature monitoring module, a cooking data acquisition module, a data analysis module, a model prediction module, a display module, a dynamic adjustment heating strategy, a waste heat recovery module and a preheating box. Ultrasonic vibration is used for assisting heating, water molecules rapidly vibrate in a microwave field to generate heat, the waste heat recovery module captures heat generated in the cooking process through a heat exchanger and is used for preheating the next batch of food, the energy utilization efficiency is remarkably improved, energy waste and carbon emission are reduced, the heating strategy is dynamically adjusted, and the energy utilization rate is increased. According to the real-time sensor data and the prediction model, the heating power, the steam flow and the heating time parameters are automatically optimized, unnecessary energy consumption is avoided, and accurate temperature control and energy consumption optimization are achieved.

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing gas supply system which comprises a first gas supply subsystem and a second gas supply subsystem, the first gas supply subsystem comprises a first pipeline, a first check valve, a first reaction mechanism, a second reaction mechanism and a degassing structure, and the first reaction mechanism, the second reaction mechanism and the first pipeline are sequentially connected; a reactant is arranged in the first reaction mechanism, a catalyst is arranged in the second reaction mechanism, and the first check valve and the degassing structure are arranged on the first pipeline; the second gas supply subsystem is connected with the first pipeline; when the gas source is cut off, the reactant and the catalyst are subjected to chemical reaction in the second reaction mechanism to generate water vapor and oxygen, the degassing structure is used for consuming the oxygen and generating superheated steam, and the superheated steam enters the hydrostatic bearing. The air supply system for the hydrostatic bearing provides the pure water vapor working medium for the hydrostatic bearing, so that the normal operation of the hydrostatic bearing is ensured, and the hydrostatic bearing is prevented from being damaged.

The utility model provides a thermal power and compressed air energy storage coupled deep peak regulation coaxial unit which comprises a thermal power station boiler and further comprises a power generator, a steam turbine unit, a compressor unit, a motor / power generator and an expansion unit which are coaxially connected in sequence. The gas output end of the compressor unit is connected with the input end of the gas storage tank, and the output end of the gas storage tank is connected with the gas input end of the expansion unit; the steam turbine unit comprises a high-pressure cylinder, an intermediate-pressure cylinder and a low-pressure cylinder which are coaxially connected in sequence; a superheated steam pipeline of a thermal power station boiler is communicated with the gas input end of a high-pressure cylinder, the gas output end of a low-pressure cylinder is connected with the shell pass input end of a condenser, and the shell pass output end of the condenser is connected with the tube pass of a low-pressure heater through a condensate pump. The tube pass of the low-pressure heater is sequentially connected with the tube pass of the deaerator and the tube pass of the high-pressure heater, and the tube pass of the high-pressure heater is connected with the thermal power station boiler to form a loop. The advantages of the compressed air energy storage technology are fully exerted, peak regulation can be achieved on the premise that the operation efficiency of the thermal power generating unit is not reduced, meanwhile, the rapid regulation characteristic and flexibility of the unit are improved, and the capacity of the unit for responding to the peak regulation requirement of a power grid is greatly improved.

To provide a hydrogen production system that can perform aqueous reaction to superheated steam by utilizing high-temperature gas exhausted from a carbonization furnace.SOLUTION: A hydrogen production system 1 that hydrolyzes biomass into pellets by using a continuous-type subcritical water comprises: a carbonization furnace 3 which incompletely burns and carbonizes pellets; a carbonization rate measuring device 31 which measures a ratio of carbide; a superheated steam generator 4 which generates superheated steam; a thermal decomposition furnace 5 which generates thermally decomposed gas; a water gas recovery device 6; and a control device 90, where the carbonization furnace 3 has: an input port 301a into which pellets are input; a housing part 301 which houses the input carbide; an exhaust port 301b which exhausts carbide created by carbonizing pellets; and a carbonization degree evaluation part 313 which evaluates a carbonization degree of the created carbide, where a control device 90 controls an atmospheric temperature inside the housing part 301 such that a ratio of the carbide measured by the carbonization rate measuring device 31 and a carbonization degree evaluated by the carbonization degree evaluation part 313 become constant.SELECTED DRAWING: Figure 1

According to the gasification fine slag dewatering and drying method and system based on the fluidized bed dryer, gasification fine slag with high water content can be dewatered and dried, the energy utilization rate is high, and waste of water resources is little. The method comprises the following steps: 1) carrying out flash evaporation concentration, sedimentation and filtration dehydration on the coal gasification black water in the black water treatment unit; (2) gasified fine slag to be treated is fed into a fine slag preheater to be subjected to heat exchange with a heating medium; 3) carrying out heat exchange on the preheated gasified fine slag and the superheated steam in a fluidized bed dryer to obtain dried gasified fine slag and secondary steam; 4) feeding the secondary steam into a secondary steam dust removal unit for dust removal treatment, and then feeding the secondary steam into a fine slag preheater; (5) the secondary steam output by the fine slag preheater is fed into a steam preheater for heat exchange, and preheated secondary steam is obtained; (6) the preheated secondary steam is fed into a steam superheater to be subjected to superheating treatment, and superheated steam is obtained; and feeding the superheated steam into a fluidized bed dryer.

The invention relates to the technical field of bearings, and provides a hydrostatic bearing air supply system capable of improving transient bearing capacity, which comprises a first air supply subsystem and a second air supply subsystem, the first gas supply subsystem comprises a first pipeline, a first switch valve, a reaction mechanism and a degassing mechanism, reactants are arranged in the reaction mechanism, the reaction mechanism is communicated with the first end of the first pipeline, the second end of the first pipeline is used for being communicated with the hydrostatic bearing, and the first switch valve and the degassing mechanism are both arranged on the first pipeline; the degassing mechanism is positioned between the reaction mechanism and the first switch valve; the second air supply subsystem is used for communicating with the hydrostatic bearing through a first pipeline; the first switch valve is used for being opened under the condition that the hydrostatic bearing is impacted, so that water vapor in the hydrostatic bearing enters the reaction mechanism to be chemically reacted with reactants, and water vapor and oxygen are generated; the degassing mechanism is used for consuming oxygen and generating superheated steam. Normal operation of the hydrostatic bearing can be guaranteed, and the hydrostatic bearing is prevented from being damaged due to rotor collision.

The invention discloses a steam reinjection type gas-steam combined cycle system for waste heat recovery. The system comprises a gas turbine FGH / TCA system, a combustion chamber steam reinjection device and a waste heat boiler combined heat exchange module. The gas turbine FGH / TCA system is provided with an FGH heat exchanger and a TCA heat exchanger; a cold side inlet of the FGH heat exchanger is connected with a cold natural gas pipeline, and an outlet is connected with the combustion chamber; the hot side is communicated with a waste heat boiler water pumping and guiding pipeline. The hot side of the TCA heat exchanger is connected with a gas compressor pumping pipeline, and the cold side is communicated with a hot side outlet of the FGH heat exchanger. Part of outlet water from a high-pressure coal economizer and a medium-pressure coal economizer of the waste heat boiler heats cold natural gas to a set temperature in the FGH, then the cold natural gas is fed into the cold side of the TCA heat exchanger to absorb air exhaust heat of an air compressor to become superheated steam, and the superheated steam is injected into a combustion chamber and a cold reconnection box. The problem of unbalanced heat of the FGH / TCA system is solved, the combustion chamber is subjected to steam injection transformation, and the output power and efficiency of the system are improved.

The invention provides a green low-carbon biomass coupling fused salt energy storage methanol preparation system, and belongs to the field of methanol preparation systems. The problem that methanol purge gas is released and residual biomass gas is generated and needs to be treated in the process of preparing methanol through biomass gasification is solved. One part of new energy electricity is used for electrolyzing water, the other part of new energy electricity serves as abandoned electricity to enter a fused salt electric heater, hydrogen generated by electrolyzing water enters a catalytic synthesis tower, oxygen is used for biomass gasification, generated carbon monoxide, hydrogen and carbon dioxide enter the catalytic synthesis tower, and methanol is synthesized in the catalytic synthesis tower. Biomass, redundant biomass gas and formaldehyde purge gas enter the high-temperature and high-pressure biomass fluidized bed boiler, then superheated steam generated by the high-temperature and high-pressure biomass fluidized bed boiler and part of steam serve as a catalytic temperature heat source for methanol production, the remaining steam enters the power generation system to be used for power generation, and stable power supply of the whole system is guaranteed. And the generated high-temperature and high-pressure steam is used for power generation to improve the unit efficiency.

The invention discloses a pyrolysis device and method with instantaneous high temperature rise and directional regulation and control, and the method comprises the following steps: putting a pyrolysis substance into a pyrolysis reaction vessel, introducing inert gas into a superheated steam inlet, and emptying air in the pyrolysis device; superheated steam is introduced into the superheated steam inlet, and a pressure regulating valve is regulated to enable the pressure in the tubular furnace to reach the required pressure; and collecting and treating the pyrolysis product at the pyrolysis product outlet. According to the method, the boiling point of the added water vapor is regulated and controlled by controlling the pressure of a reaction section according to a Clausius-Claelong equation, sufficient heat is provided for pyrolysis substances at a high-gasification latent heat speed of the water vapor, short-time efficient pyrolysis is realized, and production of by-products in the process is reduced compared with slow heating.

The invention belongs to the technical field of slag waste heat recovery and comprehensive utilization, and particularly relates to a copper slag waste heat recovery system and a waste heat recovery method thereof. Comprising a slag ladle, a granulating bin is arranged at a slag outlet of the slag ladle, a spray gun is arranged in the granulating bin, and a revolving cup device is arranged on the spray gun; an outlet of the granulation bin is connected with a boiler, the boiler is connected with a waste heat boiler and a pyrolysis gasification furnace, and the boiler is connected with the waste heat boiler and the pyrolysis gasification furnace; the waste heat boiler is connected with power generation equipment, low-pressure steam generated after power generation of the power generation equipment is used for heating the user heat storage device, and condensate water generated by heating of the user heat storage device enters the boiler. The first hot air in the granulation bin enters the waste heat boiler, and superheated steam generated by the boiler enters the power generation equipment. The granulation method combining gas quenching and centrifugation is adopted, high-temperature gas and superheated steam at different temperatures are obtained through air and water cooling in different environments, the high-temperature gas and the superheated steam are specifically applied to a pyrolysis gasification furnace and a waste heat boiler, and efficient utilization of copper slag waste heat is achieved.

The invention discloses a steam compression system and a control method thereof. The steam compression system comprises a flash tank, at least one stage of steam compressor and a first water circulation pipe. The flash tank is used for enabling the steam generation water heated to the specified flash temperature to be subjected to flash evaporation under the negative pressure condition in the tank to become low-pressure steam; the steam compressor is used for compressing the low-pressure steam into superheated steam of which the saturation pressure is target condensing pressure; and the first water circulating pipe is used for guiding water of a target water source to motors of the steam compressors at all levels and exchanging heat with heat dissipation mechanisms of all the motors, and the water subjected to heat exchange returns to the target water source. Compared with the prior art, heat at the motor is recycled through water circulation, so that the enthalpy value of water for steam generation is increased, energy consumption needed by steam generation is reduced, and the comprehensive energy efficiency of the system is improved.

The invention provides a coal chemical industry gasified black water energy recovery system which comprises a high-pressure flash tank, a black water liquid expansion machine, a vacuum flash tank, a vacuum flash condenser, an extractor and a hot water tower, and the high-pressure flash tank is provided with a gasified black water inlet, a high-temperature steam outlet and a low-temperature black water outlet. The black water liquid expansion machine is provided with a low-temperature black water inlet, a superheated steam outlet and a normal-pressure saturated black water outlet, the vacuum flash tank is provided with a normal-pressure saturated black water inlet, a low-temperature steam outlet and a saturated liquid black water outlet, and the vacuum flash condenser is provided with a low-temperature steam inlet, an uncondensed gas outlet and a condensed water outlet. The extractor is provided with a high-temperature steam inlet, a mixed steam inlet and a steam-water mixture outlet, and the hot water tower is provided with a steam-water mixture inlet, a fresh water inlet, a conversion condensate inlet, a hot water outlet and a grey water outlet. The energy recovery efficiency is greatly improved, the performance of the vacuum system is optimized, the black water concentration effect is improved, and efficient circulation of water resources and full recovery of black water energy are achieved.

The invention discloses a high-pressure combustion combined heat and power generation energy storage system and method for hydrogen and oxygen production through electrolysis, and relates to the field of hydrogen energy storage. After the electrolytic cell produces high-pressure hydrogen and oxygen, the high-pressure hydrogen and oxygen are stored in the hydrogen / oxygen storage tank, the system can operate in a hydrogen / oxygen mode, and in the oxygen mode operation, the hydrogen and oxygen steam mixed gas from the oxygen storage tank and the hydrogen / oxygen evaporation compressor are combusted in the high-pressure combustion chamber to generate superheated steam, and then the superheated steam enters the expansion turbine to do work; due to excessive oxygen, dead steam after acting is separated into two working media through a gas-liquid separator, that is, gas enters a cooler to be cooled and then returns to a combustion chamber through a hydrogen / oxygen evaporation compressor, drainage water generated after liquid enters a heat supply heat exchanger is pressurized through a water pump and then enters a high-temperature combustion chamber, and therefore clean utilization of hydrogen energy and cyclic regeneration of the working media are achieved. The system can realize high power generation efficiency and excellent environmental protection performance, and is suitable for regions requiring stable consumption of fluctuating renewable energy sources, power and heat supply and the like.

The invention relates to the technical field of nuclear energy comprehensive utilization, and discloses an energy system with nuclear energy as base load and a control method.The system comprises a nuclear power secondary loop system, a renewable energy system, an energy storage system, a steam supply system, a seawater desalination system, a hydrogen production system, a heating system and a refrigeration system; the heat of the reactor core enters the steam generator to generate main steam; the photovoltaic module and the wind turbine generator set carry out renewable energy power generation; a storage battery is used for storing renewable energy electric power, and a molten salt heat storage system is used for storing heat energy; the steam supply heat exchanger is used for heating fresh water produced by the seawater desalination system to obtain superheated steam; the low-temperature multi-effect evaporation system and the reverse osmosis membrane method seawater desalination system generate fresh water; the electrolytic bath generates hydrogen and oxygen; the heating system and the refrigerating system are used for refrigerating in summer and heating in winter, and nuclear energy, wind energy, solar energy and the like are coupled and utilized in a stepped mode.

The invention provides an energy gradient utilization steam Rankine cycle power generation system and method for nuclear fusion, and belongs to the field of nuclear fusion energy conversion and utilization. Different temperature heat of a cladding, a divertor and a vacuum chamber is guided into a high-temperature independent heat storage loop, a medium-temperature independent heat storage loop and a low-temperature independent heat storage loop respectively, an operation section stores heat, and a pause section releases heat; feed water is heated step by step through a multi-stage preheater, an evaporator and a superheater according to the sequence of low temperature, medium temperature and high temperature, and superheated steam of 550 DEG C is formed to continuously drive a turbine to generate power. Decoupling of intermittent output of the fusion reactor and continuous operation of the power generation system is achieved, steam extraction of a steam turbine is omitted, the structure is simplified, and the energy utilization rate and the circulation efficiency are improved.

The embodiment of the invention provides a cascade heating superheated steam generation system and a control method thereof, and belongs to the technical field of energy engineering and thermal power. The system comprises: an evaporation device provided with a plurality of heat exchangers, wherein the evaporation device is used for treating preheated produced water into wet saturated steam; wherein the series-parallel connection relation between the heat exchangers in the evaporation device is adjusted based on real-time heat supply demand information; the steam conversion device is used for converting the wet saturated steam into superheated steam for steam injection; the control device is used for determining the serial numbers of the heat exchangers participating in heat exchange and the series-parallel connection relation of the heat exchangers participating in heat exchange based on the real-time heat supply demand information; the fused salt conveying device sequentially passes through the steam conversion device and the evaporation device and is used for providing a heat source for the steam conversion device and the evaporation device. According to the scheme, the method adapts to complex heat supply demand scenes, and therefore an efficient, flexible and intelligent solution is provided for thick oil steam injection.

The invention relates to the technical field of low-grade heat utilization, in particular to a jet boosting organic Rankine cycle combined cooling and power generation system and a jet boosting organic Rankine cycle combined cooling and power generation method. The system comprises a generator, a condenser, a working medium pump, a supersonic vapor-liquid two-phase flow ejector, a first evaporator, an expansion machine, a generator, a first throttling valve, a second evaporator, an absorber, a solution pump, a solution heat exchanger and a second throttling valve which are sequentially connected to form a loop. The organic Rankine cycle and the absorption refrigeration cycle are coupled to reduce the pressure of an outlet of an expansion machine, meanwhile, the supersonic vapor-liquid two-phase flow ejector is used for assisting in boosting to save part of consumed power of a power generation side working medium pump, and heat energy of part of superheated steam at an outlet of an absorption refrigeration subsystem generator is recycled; cogeneration is achieved while the heat efficiency is improved, and high technical economy is achieved.

Provided is a method of manufacturing a glass article, including a molding step of heating a glass base material with a superheated steam to soften the glass base material, and deforming the softened glass base material.

The invention discloses a small micro-superheated steam through-flow type gas condensation boiler, belongs to the technical field of boilers, and solves the problems that the current small gas boiler is developed towards the high-efficiency, low-emission and compact direction, and particularly pays attention to waste heat recovery and steam quality control. Comprising an annular water chamber allowing water to enter, a combustion chamber arranged above the annular water chamber and an ultra-low nitrogen surface fiber combustor located above the combustion chamber and communicated with the combustion chamber, and an annular steam chamber is arranged above the combustion chamber. The ultra-low nitrogen surface fiber burner works to burn gas and raise the temperature, and the composite fin straight water pipe converts water in the water pipe into wet steam through efficient heat exchange of the spiral fins and enters the annular steam chamber. External water is injected into the annular water chamber through the finned tube group of the flue gas condenser and the connecting tube, and then enters the steam chamber through the straight tube. Wet steam in the steam chamber enters the superheater through an inlet pipe to form micro superheated steam. Combustion smoke is condensed and discharged after being filtered by a filter screen and subjected to heat exchange, and dryness of the combustion chamber is guaranteed.

The invention discloses an activated carbon anoxic pyrolysis and steam regeneration process method and device, and relates to the field of activated carbon regeneration. The process method comprises the following steps: S1, dehydration preparation: reducing the moisture content of a carbon layer to 45% through hydraulic conveying and negative pressure dehydration; s2, drying pyrolysis and air stripping, wherein a carbon layer is heated to 300-400 DEG C through circulating heating of superheated steam and tail gas; s3, steam activation: introducing 900 DEG C tail gas to raise the temperature of the carbon layer to 800-850 DEG C for activation reaction; and S4, cooling, namely sequentially cooling to 100 DEG C or below through steam and cold water to complete regeneration of the activated carbon. The energy efficiency utilization rate is excellent, the pore structure is fully recovered, the specific surface area, the polar group content and the adsorption performance of the regenerated activated carbon can be remarkably improved, and the service life of the activated carbon is prolonged.

The invention discloses an electrified transformation fused salt energy storage and steam supply system in the petrochemical industry, and relates to an energy storage and steam supply system. The invention aims to solve the problem of excessive carbon emission in the production process of the existing petrochemical industry. The system comprises a groove type heat collecting system, a hot salt pump, a hot salt tank, a cold salt pump, a cold salt tank, a superheater, an evaporator, a preheater, a front preheater, a deaerator and a water feeding pump, the cold salt pump pumps fused salt in the cold salt tank into the groove type heat collecting system, and the hot salt pump sequentially pumps fused salt in the hot salt tank into the fused salt side of the superheater, the evaporator and the preheater from top to bottom; a water feeding pump sequentially pumps feed water in a deaerator into the water / steam side of the front preheater, the preheater, the evaporator and the superheater from front to back, fused salt and the feed water exchange heat in the pumping process, and superheated steam generated by heating the feed water enters a main steam system, the front preheater and the deaerator through a steam outlet of the superheater. The method is used for electrified transformation of fused salt energy storage and steam supply in the petrochemical industry.

According to the method and system for calculating the efficiency of the low-pressure cylinder of the steam turbine on line, under the reference working condition and multiple working conditions, parameters such as steam pressure, temperature and back pressure of an inlet and an outlet of a first stage, a second stage and a third stage of the low-pressure cylinder are collected, the efficiency of each stage and the efficiency of the low-pressure cylinder are calculated, dimensionless processing is carried out, and the efficiency of the low-pressure cylinder is calculated; and establishing a multiple regression model which takes the superheated steam stage efficiency as an independent variable and takes the low-pressure cylinder efficiency as a dependent variable. And considering the influence of the back pressure on the efficiency of the low-pressure cylinder, establishing a compensation model, and correcting the predicted efficiency of the low-pressure cylinder. In actual operation, the parameters are collected in real time, the efficiency of the current stage is calculated and substituted into the regression model and the compensation model, and the real-time efficiency of the low-pressure cylinder is obtained. According to the method, direct measurement of wet steam parameters is avoided by utilizing superheated steam stage data which are easy to obtain, real-time and accurate calculation of the efficiency of the low-pressure cylinder under different working conditions is realized, and the method can be widely applied to performance monitoring, operation optimization and fault diagnosis of a turboset.

The saturated steam (supplying) supplementing system comprises a main steam pipeline, a steam supplementing pipeline, a condenser and a steam turbine generator, and a main steam-water separator front shut-off valve, a main steam-water separator, a main steam valve and a regulating valve are sequentially arranged on the main steam pipeline. The saturated steam (supplying) supplementing system applied to the steam supplementing type steam turbine can meet the utilization requirement of saturated steam, is suitable for occasions without superheated steam in a plant, can utilize two saturated sources with different pressure grades to generate power, can better recycle the saturated steam, can reduce the probability that the steam carries water, improves the operation safety of a unit, and is suitable for popularization and application. The steam water carrying rate is reduced, the dryness of the saturated steam is improved, the applicability of the saturated steam to a generator set is improved, the influence on the steam source side is reduced, the air exhaust valves and pipelines are arranged on the steam supply pipeline and the steam supplement pipeline, and normal work of the steam source side is not influenced when the steam turbine operates to adjust loads and suddenly change the loads.

The electric steam boiler system is characterized in that a water supplementing pipeline is connected with an electrode boiler through a fourth valve, the output of the electrode boiler is connected with a spherical tank through a pipeline and a first valve, and saturated steam directly discharged from the spherical tank is connected with a user side through a pipeline and a tenth valve; and the output of the spherical tank passes through the solid energy storage superheater before being connected with the user side through a pipeline and a third valve. The system is high in energy storage efficiency, long in service life and high in safety, the solid energy storage superheater directly heats saturated steam stored in the spherical tank, simultaneous charging and discharging can be achieved, the electric steam boiler system can rapidly adapt to changes of different heat using scenes and requirements, and the electric steam boiler system can produce both saturated steam and superheated steam.

The invention relates to the technical field of carbon dioxide capture, in particular to a carbon dioxide regeneration system and a carbon dioxide regeneration method. The carbon dioxide regeneration system comprises a regeneration tower, a reboiler, a regeneration gas cooler, a temperature and pressure reducer, a regeneration gas heat exchanger and a superheated steam pipeline, a barren liquor outlet in the bottom of the regeneration tower is communicated with an inlet of the body part of the reboiler through an eighth circulating pump, and the top of the regeneration tower is communicated with an inlet of a regenerated gas cooler; the superheated steam pipeline is communicated with an inlet of the heating part of the reboiler through the temperature and pressure reducer; an outlet of the heating part of the reboiler is communicated with an inlet of the heating part of the regeneration gas heat exchanger through a second circulating pump; a liquid outlet of the regeneration gas cooler is communicated with an inlet of a body part of the regeneration gas heat exchanger, and an outlet of the body part of the regeneration gas heat exchanger is communicated with the top of the regeneration tower through a third circulating pump. The carbon dioxide regeneration system can prevent the regeneration efficiency of the carbon dioxide gas from being reduced.

A liquid blast furnace slag granulation and waste heat recovery system and method, which comprises a cyclone heat exchange device, a granulation device, and a waste heat recovery device. The granulation device injector sprays compressed air and water into high-speed jets to shear the molten blast furnace slag falling freely into the flow hood from the slag tank, and the molten blast furnace slag is broken and solidified into solid particles under the shearing and impact of the high-speed jets. The granulated blast furnace slag enters the cyclone heat exchanger with high-temperature air and steam to achieve rapid separation. The deoxygenated water is pressurized by a hot water pump and then sent to the spiral pipe bundle to exchange heat with the high-temperature gas outside the pipe to obtain saturated or superheated steam, which is delivered to the second heat exchanger of the waste heat recovery device. The high-temperature slag separated from the gas enters the first heat exchanger, and the heat exchange pipe bundle in the first heat exchanger drum is supplied with cooling water to absorb the heat of the high-temperature slag and convert it into steam, and the temperature of the high-temperature slag is further reduced to below 100 DEG C. The low-temperature slag particles flow out from the bottom of the waste heat recovery device and are sent out for recycling by a conveying device.

The utility model discloses a desuperheater, and belongs to the technical field of steam temperature control. The desuperheater comprises a desuperheating pipeline, a hot steam inlet, a desuperheating water inlet, a swirler and a proper-temperature steam outlet, the swirler is provided with a plurality of swirling vanes, the swirling vanes are arranged in the circumferential direction of the desuperheating pipeline by a circle, and the proper-temperature steam outlet is formed in the circumferential direction of the desuperheating pipeline. The radial outer ends of the rotational flow blades abut against the inner wall of the temperature reduction pipeline, and seen from the axial direction of the temperature reduction pipeline, the side edge of each rotational flow blade is completely located in front of or behind the blade face of the adjacent rotational flow blade. And the parallel projection of the swirler in the axial direction of the temperature reducing pipeline is fully distributed on the cross section of the temperature reducing pipeline. Through the arrangement, the desuperheater is beneficial to full mixing of superheated steam and desuperheating water, and the purposes of rapidly cooling and shortening the desuperheating distance are achieved.