547 results about "Steam system" patented technology

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.

A turbine engine for an aircraft including a combustor, a turbine, and a steam system. The combustor generates combustion gases. The turbine receives the combustion gases and is drivingly coupled to a shaft. The steam system includes a boiler, a superheater, and a steam turbine. The boiler receives water and is fluidly connected to the combustor to receive a first portion of the combustion gases from the combustor and to boil the water to generate steam. The superheater is located downstream of the combustor to receive a second portion of the combustion gases from the combustor and to heat the steam. The steam turbine is fluidly coupled to the superheater to receive the steam from the superheater and to rotate the steam turbine. The steam turbine is drivingly coupled to the shaft.

A turbine engine for an aircraft. The turbine engine includes a combustor, a turbine, a boiler, a steam turbine, and a reheat boiler. The combustor generates combustion gases and the turbine is positioned downstream of the combustor to receive the combustion gases and to rotate the turbine. The boiler is positioned downstream of the combustor to receive the combustion gases and to boil water to generate steam. The steam turbine is fluidly coupled to the boiler to receive the steam from the boiler and to rotate the steam turbine. Each of the turbine and the steam turbine is drivingly coupled to a core shaft to rotate the core shaft. The reheat boiler is fluidly coupled to the steam turbine to receive the steam from the steam turbine and to reheat the steam. The combustor is fluidly coupled to the reheat boiler to receive the reheated steam.

A gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3 that is defined byVGVG⁢B.VG is a gutter volume of the gutter and VGB is a gearbox volume. A gas turbine engine includes the gearbox assembly, a fan, a combustor that generates combustion gases, a turbine, a nacelle that surrounds the fan, and a steam system. The combustor and the turbine define a core air flowpath. Core air flows through the core air flowpath. The steam system that extracts water from the combustion gases, vaporizes the water to generate steam, and injects the steam into the core air flowpath to add mass flow to the core air. A bypass ratio of the gas turbine engine is in a range of 18:1 to 100:1.

A turbine engine for an aircraft. The turbine engine includes a fan, a combustor in a core air flowpath that generates combustion gases, a core shaft, a turbine that receives the combustion gases to rotate the turbine, and a steam system. The steam system extracts water from the combustion gases, vaporizes the water to generate steam, and injects the steam into the core air flowpath. The steam system includes one or more water storage devices that store the water therein. The one or more water storage devices include a first state in which the one or more water storage devices increase or maintain a level of the water as the water flows through the one or more water storage devices, and a second state in which the one or more water storage devices decrease the level of the water in the one or more water storage devices.

The invention provides a PLC-based biomass gasification industrial steam full-automatic intelligent control system and method. The system comprises a data acquisition module, a modeling identification module, a multi-objective optimization module, a rolling prediction control module, a coordination execution module, a self-adaptive correction module and an abnormal fault tolerance and safety control module. The system collects operation data of a feeding system, a gasification furnace, a boiler, a steam-water system and an environmental protection system in real time through a PLC platform, a dynamic coupling model of a combustion side, a steam-water side and an environmental protection side is established, and a multi-target constraint optimization model with stable steam pressure, up-to-standard emission and minimum energy consumption as targets is constructed. According to the invention, unattended operation of the biomass gasification industrial steam system is realized, the system has the advantages of high control precision, low energy consumption, stable emission and strong fault-tolerant capability, and the intelligence and safety of the industrial steam system are obviously improved.

A turbine engine for an aircraft includes a turbo-engine with a core air flow path, a fan having a fan shaft coupled to the turbo-engine to rotate the fan shaft, and a steam system. A combustor is located in the core air flow path to combust fuel and to generate combustion gases. The steam system extracts water from the combustion gases and vaporizes the water to generate steam. The steam system is fluidly coupled to the core air flow path to inject the steam into the core air flow path. The steam system includes a controller configured to determine a water content of the core air upstream of the steam injection location and to change a position of a steam flow control valve to control the flow of the steam into the core air flow path.

The invention relates to the technical field of generator set mixed bed operation monitoring, and discloses a fine processing mixed bed failure situation situation sensing system and method, the sensing system comprises a sampling tube, a sampling electric valve, a sampling isolation valve, a cation resin column, a conductivity meter, a mixed bed failure monitoring device and a resin regeneration system; the sampling pipe extends into the central axis of the fine treatment mixed bed; a plurality of sampling pipes are arranged along the height direction of the fine treatment mixed bed, are sequentially connected with a sampling electric valve and a sampling isolation valve, and then are connected in series to one end of a cation resin column; the other end of the cation resin column is connected with the conductivity meter; the mixed bed failure monitoring device is electrically connected with the sampling electric valve, the sampling isolation valve and the conductivity meter; and the resin regeneration system is connected with a water inlet pipeline and a water outlet pipeline of the fine treatment mixed bed through a fine treatment mixed bed resin inlet valve and a fine treatment mixed bed resin outlet valve respectively. Situation awareness of mixed bed failure is achieved by establishing a layered monitoring system, and long-term stability of water quality of a water vapor system of a power plant is guaranteed.

The invention discloses a steam discharge control method based on pilot valve adjustment, and particularly relates to the technical field of steam discharge, which comprises the following steps: determining the actual pressure and expected pressure of a main valve and the set pressure of a pilot valve, and comparing the relationship between the actual pressure of the main valve and the expected pressure of the main valve to obtain the set pressure of the pilot valve. The hysteresis between the actual pressure and the expected pressure of the main valve in the time delay information is determined, a delay transfer function model of the steam system PID controller in the monitoring time period is obtained, a delay factor of the delay transfer function model is obtained, and the response delay of the steam system in the time delay information is determined; the ARMA model is used for modeling the time sequence data of the actual pressure, the change trend of the actual pressure of the main valve in the pressure change information is determined, the potential risk of the steam system is judged, it can be ensured that the system keeps stable operation in various change environments, and excessive adjustment or control failure of the pilot valve is avoided.

The invention belongs to the field of heat pumps, and provides an integrated cooling and steam supply system which comprises a waste heat drive type absorption refrigerator and a first direct generation type high-temperature steam heat pump which are in bidirectional connection. The waste heat drive type absorption refrigerator comprises a first generator, a first evaporator, an absorber and a first condenser. The first direct generation type high-temperature steam heat pump comprises a first compressor, a throttling mechanism, a steam generator and a water vapor compressor. By absorbing waste heat in the technological process, cooling of an input medium and preparation of high-pressure steam are achieved, recycling of heat is completed, emission of pollutants is reduced, and the energy utilization efficiency is improved; through the first direct generation type high-temperature steam heat pump, loss caused by a conventional flash evaporation process is avoided, and the overall efficiency of the system is improved; the absorber and the first condenser serve as evaporators of the high-temperature steam heat pump, the intermediate circulating water heat exchange process is avoided, and the heat exchange efficiency is improved.

The present invention relates to the technical field of steam heat exchangers, and discloses a heat exchanger device for a steam system, comprising a shell, a mounting plate installed inside the shell, a plurality of pipes installed on the mounting plate, a pipe box installed on one side of the shell, and a partition installed in the pipe box, wherein a protective box is fixedly connected to the outer wall of the pipe box away from the shell, an operating chamber is provided on the side of the protective box away from the pipe box, and a support plate is fixedly connected to the upper end of the inner wall of the operating chamber. This heat exchanger device for a steam system can clean a plurality of pipes separately by arranging an alignment component and a protective component inside the pipe box, so that the inside of the pipe can be flushed more evenly and more cleanly, and no secondary pollution is caused to other pipes; by connecting the alignment component to the connecting component, the rotating mechanism and the moving mechanism, when the alignment component changes the cleaning pipe, the wear between the alignment component and the mounting plate can be reduced, thereby extending the service life.

The utility model belongs to the technical field of steam utilization systems, and particularly relates to a steam system of an acrylic acid device. The steam system of the acrylic acid device comprises a thermoelectric device and the acrylic acid device, the thermoelectric device comprises a 10 # desuperheating pressure reducer, an 8 # desuperheating pressure reducer, a 9 # desuperheating pressure reducer and a 1 # desuperheating pressure reducer, and the acrylic acid device comprises a 7 # desuperheating pressure reducer. The 10 # temperature and pressure reducer is connected with the 9 # temperature and pressure reducer through a 9 # steam pipeline, two pipelines are led out of the 9 # temperature and pressure reducer, one pipeline is connected with a pipeline in the acrylic acid device through a standby pipeline, and the other pipeline is connected with a pipeline led out of the 8 # temperature and pressure reducer. According to the steam system of the acrylic acid device, the thermoelectric device is connected with the acrylic acid device through the two main pipelines, the steam temperature is increased, the temperature and superheat degree of turbine steam are facilitated, and energy conservation and consumption reduction are achieved.

A combustor having a main chamber and a trapped vortex cavity. The main chamber includes an outer liner and an inner liner. The trapped vortex cavity extends from at least one of the outer liner or the inner liner. A plurality of mixing assemblies operably injects a fuel-air mixture into the trapped vortex cavity to produce combustion gases. The trapped vortex cavity injects the combustion gases into the main chamber. A steam system is in fluid communication with the main chamber. The steam system operably injecting steam into the main chamber such that the steam flows downstream of the trapped vortex cavity.

A turbine engine for an aircraft. The turbine engine includes a core turbine engine and a steam system. The steam system extracts water from combustion gases, vaporizes the water to generate steam, and injects the steam into a core air flow path of the core engine to add mass flow to core air. A core hot gas path component may be fluidly connected to a hot gas path that routes combustion gasses from the combustor. The core turbine engine may also include a turbine fluidly connected to the hot gas path to receive the combustion gases. The turbine may include a turbine airfoil. Each of the core hot gas path component and the turbine airfoil includes a combustion-gas-facing surface facing the hot gas path. A hydrophobic coating is formed on the combustion-gas-facing surface, reducing wetting of water vapor within the combustion gases on the core hot gas path component.

The present invention relates to the technical field of steam supply operation. Disclosed are a steam supply operation optimization method and system for an auxiliary steam system. The method comprises: calculating a comprehensive energy efficiency indicator of an auxiliary steam system, carrying out energy efficiency evaluation, and establishing an auxiliary steam system steam supply scheduling model; carrying out dynamic scheduling optimization and adaptive adjustment of auxiliary steam supply; carrying out energy cascade utilization of steam supply operation of the auxiliary steam system, and monitoring an operating condition of each stage of the auxiliary steam system in real time; and establishing an optimization feedback mechanism, and adjusting a steam supply strategy of the auxiliary steam system and a control parameter. In the present invention, an energy efficiency evaluation result is converted into a specific scheduling strategy, thereby achieving more scientific and reasonable steam supply scheduling of the auxiliary steam system, enabling flexible adjustment according to actual requirements, satisfying steam supply requirements under different working conditions, and achieving accurate control over auxiliary steam supply. Cascade utilization is carried out on steam supply operation of the auxiliary steam system, thereby improving energy utilization efficiency to the maximum extent and improving the energy efficiency level of the auxiliary steam system.

The energy storage steam system comprises a main flue, a fused salt heat exchange module and a water heat exchange module are arranged in the main flue, the fused salt heat exchange module comprises a salt heat exchanger, the salt heat exchanger is arranged in the main flue, and the water heat exchange module is arranged in the main flue. The inlet end and the outlet section of the salt heat exchanger communicate with a cold salt tank and a hot salt tank through conveying pipelines correspondingly, the water heat exchange module comprises a water quality heat exchanger, the water quality heat exchanger is arranged in a main flue, and the inlet end and the outlet section of the water quality heat exchanger are arranged in a condensation water tank and a deaerator through conveying pipelines correspondingly; the output end of the deaerator communicates with the fused salt-steam generating device, and the cold salt tank and the hot salt tank communicate with the fused salt-steam generating device. Fused salt is used as a high-temperature heat transfer and storage medium, water is used as a heat transfer and storage medium of a low-temperature area, intermittent flue gas or process gas waste heat is recycled, then the recycled heat is used for generating high-parameter steam, and the requirements for external driving, heat supply, power generation or heat supply and the like are met.

The utility model provides a steam system which comprises a steam generator and an inner container, and the steam generator is used for generating steam; the steam pipe fitting is arranged on the inner container in a penetrating mode, and one end of the steam pipe fitting is connected with the steam generator; the flow blocking piece is arranged at the other end of the steam pipe fitting, at least part of the flow blocking piece and a steam outlet of the steam pipe fitting are opposite and arranged in a spaced mode, a flow blocking channel is defined by the flow blocking piece and at least part of the steam pipe fitting, and the flow blocking channel is communicated with a cavity of the inner container. And steam in the steam pipe fitting passes through the flow blocking channel and then enters the cavity of the inner container. By means of the technical scheme, the technical problem that in the prior art, noise of a steam system is large can be solved.

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.

The utility model discloses a high-parameter thermal power generating unit depressurization blowpipe temporary system, which belongs to the technical field of unit depressurization blowpipes and comprises a primary steam-water system, a secondary steam system, a target plate device and a silencer which are sequentially connected. The primary steam-water system comprises a separator, a superheater and a main steam pipeline which are connected in sequence, the secondary steam system comprises a hot resteam pipeline, a reheater and a cold resteam pipeline which are connected in sequence, the cold resteam pipeline is provided with a main adjacent blowing door, the main steam pipeline is communicated with the cold resteam pipeline through a high-pressure bypass pipeline, and the reheater is communicated with the high-pressure bypass pipeline. And the high-pressure bypass pipeline is provided with a high-pressure bypass adjacent blowing door. The secondary steam system and the high-pressure bypass system both participate in pipe blowing heat storage, the effective time of pipe blowing each time can be prolonged, the pipe blowing frequency is reduced, high efficiency and energy conservation are achieved, and stress damage to a boiler is relieved.

The invention relates to the technical field of temperature control, in particular to an electric heating steam generator control system and a using method, and the system comprises an operation state monitoring module, a dynamic power distribution module, a temperature pressure compensation module, an abnormity monitoring and early warning module and an operation control optimization module. According to the method, by comprehensively mastering the multi-dimensional operation data of the steam system, the over-limit value of the steam temperature adjustment rate is effectively screened, the heating power requirement is accurately evaluated, adjustment lag is avoided, the dynamic compensation power interval adjustment ensures the steam supply stability, heat loss compensation is optimized, and the heat supply quality is improved; the efficient early warning system recognizes pipeline blockage and pressure abnormity, safety is improved, steam flow distribution is optimized, operation efficiency is improved, and reasonable utilization of energy is achieved.

The utility model discloses an energy storage type steam system based on a steam heat accumulator, which comprises a softened water supply unit, a gas steam supply unit, an electric steam boiler, the steam heat accumulator and a second thermal deaerator, the steam distribution cylinder is connected with the second thermal deaerator through a second steam pipeline, water supply of the first thermal deaerator is divided into two paths, the first path is connected with the gas steam boiler through a second water supply pipeline, and the second path is connected with the electric steam boiler through a third water supply pipeline. The electric steam boiler is used for supplying steam in an auxiliary mode, steam can be stored in the off-peak electricity period, the stored steam is used for supplying steam, the steam heat accumulator has the peak load shifting function, the proportion of absorbing green electricity is increased, gas consumption is reduced, energy is saved, emission is reduced, and the influence of steam load fluctuation on the gas steam boiler is eliminated. And the service life of the gas-steam boiler is prolonged.

A turbine engine includes a compressor section for providing a compressed air flow, a fuel system for providing a primary combustor fuel supply, and a secondary combustor fuel supply. A primary combustor, located downstream of the compressor section, combusts the compressed air flow and the primary combustor fuel supply to generate primary combustion products. A turbine section, located downstream of the primary combustor, includes a turbine and a secondary combustor that further combusts the primary combustion products and the fuel from the secondary combustor fuel supply. A steam system provides a steam supply to the secondary combustor. The secondary combustor further combusts the primary combustion products and the secondary combustor fuel supply to generate secondary combustion products, and the turbine section is rotated by the secondary combustor steam supply and the inter-turbine combustion products.

A gas turbine engine includes a fan, a combustor positioned in a core air flowpath that generates combustion gases, a steam system that extracts water from the combustion gases and generates steam, and a gearbox assembly. The steam system includes water storage devices that store the water therein. The water storage devices include a first state in which a level of the water increases or is maintained and a second state in which the level of the water decreases as the water flows through the water storage devices. The gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio defined by:VGVG⁢B·VGis a gutter volume of the gutter and VGB is a gearbox volume.

The invention relates to the technical field of energy recycling, in particular to a winery park source network load storage integrated comprehensive energy system and an operation method. A steam supply system with natural gas, roof photovoltaic, roof photo-thermal, a high-temperature water source heat pump, electric steam storage and a biogas steam boiler and a cold / heat and hot water supply system with a sewage source heat pump, a gas-fired boiler, an air source heat pump and a PVT assembly are constructed, in addition, a light-storage direct-flexible system is constructed in a winery, photovoltaic, energy storage, factory area power utilization and direct-current power distribution are interconnected through the flexible interaction technology, and the energy storage effect is achieved. And an alternating current and direct current power distribution fused light storage and charging direct flexible system is constructed, so that energy conservation, efficiency improvement and green transformation of wine making energy are promoted.

A system for improving a steam oil ratio (SOR) includes a direct steam generator (DSG) boiler fluidly coupled with a downhole portion of a steam system via at least a DSG outlet, wherein the DSG boiler is configured to schedule super-heat delivered to the downhole portion to optimize the SOR associated with the system.

The invention provides a thermal power generating unit fused salt heat supply system, and belongs to the technical field of thermal power generating unit heat supply. The fused salt heat supply system of the thermal power generating unit comprises a steam turbine unit and a fused salt assembly. According to the system, low-temperature fused salt is heated through steam extraction of an intermediate-pressure cylinder of a turboset, and fused salt and extracted steam at different temperatures are generated. And the fused salt assembly performs multi-stage heat exchange by using the fused salt and the extracted steam, so that the deoxygenated feed water is finally heated, and external heat supply steam with high and low parameters is generated. The system effectively completes heat storage and heat release of the fused salt, cyclic utilization of the fused salt is achieved, and the energy efficiency is improved. According to the invention, heat storage is carried out on the fused salt assembly through cascade extraction steam utilization of the turboset, the fused salt assembly raises the temperature of heat supply water with different parameters through heat release, and heat is supplied to the outside after the temperature required by a user is reached.

A turbine engine for an aircraft includes a fan that rotates to generate a volume of air, a core turbine engine, a nacelle, and a steam system. The core turbine engine includes a combustor that generates combustion gases, and a turbine including a shaft. The combustor and the turbine define a core air flowpath. The fan is drivingly coupled to the shaft. The nacelle circumferentially surrounds the fan and defines a bypass airflow passage between the nacelle and the core turbine engine. The volume of air flows into the bypass airflow passage as bypass air and flows into the core air flowpath as core air. The steam system extracts water from the combustion gases, vaporizes the water to generate steam, and injects the steam into the core air flowpath to add mass flow to the core air. A bypass ratio of the turbine engine is greater than 18:1.

The invention relates to the technical field of food processing equipment, in particular to an intelligent pastry continuous leavening and steaming system which comprises a leavening mechanism and a steaming mechanism and further comprises a conveying assembly, a steam supply system and a control system. The conveying assembly penetrates through the leavening mechanism and the steaming mechanism and is used for sequentially conveying pastries into the leavening mechanism to finish leavening and conveying the pastries into the steaming mechanism to finish steaming, and the leavening mechanism and the steaming mechanism are each of a modular structure and are composed of a plurality of independent leavening units or steaming units which are in butt joint front and back; a liftable fermentation section upper cover device is arranged at the top of the fermentation mechanism, a liftable steaming section upper cover device is arranged at the top of the steaming mechanism, the fermentation section upper cover device and the steaming section upper cover device are each provided with a drainage structure, and each drainage structure comprises a flow guide plate and a collecting groove; the control system is electrically connected with the leavening mechanism, the steaming mechanism, the conveying assembly and the steam supply system. The pastry food leavening and steaming device can improve the leavening and steaming efficiency of pastry food.

A turbine engine for an aircraft. The turbine engine includes a combustor, a core shaft, a turbine, and a steam system providing steam to a core air flow path. The steam system includes a boiler that receives combustion gases to boil water to generate steam. A steam turbine is fluidly coupled to the boiler to receive the steam from the boiler and to cause the steam turbine to rotate. The steam turbine is coupled to the core shaft to rotate the core shaft when the steam turbine rotates. The steam system may include a bypass flow path selectively operable to redirect at least one of the steam or water, and to bypass the core air flow path. The turbine engine may also include at least one steam control valve located downstream of the boiler and upstream of the core air flow path to control the flow of steam.

The invention relates to the technical field of nuclear power, in particular to a multi-module high-temperature gas cooled reactor steam system and a control method. The invention relates to a multi-module high-temperature gas cooled reactor steam system, which comprises at least two steam supply subsystems including a first steam supply subsystem and a second steam supply subsystem; the main steam pipeline is suitable for being communicated with a steam turbine generator unit; the first steam supply subsystem comprises a first nuclear steam supply module and a first steam outlet pipeline, and the first nuclear steam supply module is communicated with the main steam pipeline through the first steam outlet pipeline; the second steam supply subsystem comprises a second nuclear steam supply module, a second steam mixer, a second steam discharge pipeline and a second steam recovery pipeline, and the second nuclear steam supply module supplies second pressure main steam. According to the invention, the problem that steam generated by other subsequent nuclear steam supply modules cannot enter a steam turbine generator unit for power generation after the initial reactor core of the first nuclear steam module is established is solved.