126results about "Steam generation using solar heat" patented technology

A solar vapor generation system includes a substrate configured to wick solution from a reservoir. The substrate includes a first planar sheet having a first end, and a second planar sheet having a first end. The first end of the first planar sheet is connected to the first end of the second planar sheet at an angle of less than 180.0 degrees. In some embodiments, the angle is less than 90.0 degrees. At least a portion of the first planar sheet is configured to be in contact with the solution. The system includes a support, configured to support the substrate at a position near a surface of the solution.

A solar collector that comprises a conduit for a working fluid, and a parabolic trough reflector arranged to focus reflected sunlight onto the conduit. The parabolic trough reflector is arranged to pivot around the conduit.

The systems of the present disclosure include a solar-powered steam Rankine cycle (SRC) subsystem to convert solar energy into thermal energy and store the thermal energy; an ejector refrigeration cycle (ERC) subsystem to provide a first refrigeration effect with a first range of temperature based on the thermal energy; an absorption refrigeration cycle (ARC) subsystem to provide a second refrigeration effect with a second range of temperature based on the thermal energy; a brine refrigeration cycle (BRC) subsystem to generate and store when there is no cooling demand and provide a third refrigeration effect with a third range of temperature based on the electrical power generated by the ERC subsystem and the ice being melted; and an adsorption refrigeration cycle (ADRC) subsystem to provide a fourth refrigeration effect with a fourth range of temperature based on the thermal energy.

Provided is a technology capable of adjusting supply and demand of electric power. A compressed air energy storage device 100 comprises: air compressors 6, 7 that generate compressed air; heat exchangers 24, 25 that exchange heat between the compressed air and a heat storage medium; a pressure accumulation tank 8 that stores the compressed air that has undergone heat exchange in the heat exchangers 24, 25; a heat storage tank 21 that stores the heat storage medium that has undergone heat exchange in the heat exchangers 24, 25; a heat exchanger 32 that generates low-pressure steam by heating water through heat exchange with the heat storage medium; a steam compressor 41 that generates high-temperature steam by compressing the low-pressure steam; generators 12, 13 that generate electric power; and expanders 10, 11 that drive the generators 12, 13 by means of the compressed air or the high-temperature steam. The compressed air energy storage device supplies one or more of the compressed air, the high-temperature steam, and the electric power.

The invention belongs to the technical field of heat storage, and provides a paired metal hydride storage tank heat storage system and method for solar power generation. Wherein the paired metal hydride storage tank heat storage system is respectively communicated with the solar concentrating system and the electric power system through a heat exchange medium pipeline; the paired metal hydride storage tank heat storage system is configured in a multi-stage tandem mode, and at least two stages of heat storage systems are sequentially arranged in the flowing direction of heat exchange fluid in the heat output process. Under the operation requirement higher than the threshold load, all levels of heat storage systems are in an activated state, heat exchange fluid flows through each level of system according to a preset path, and heat released by each level of heat storage system is absorbed step by step; and under the condition that the load is lower than the threshold value for operation or the set working condition requirement, at least one stage of heat storage system bypass directly obtains the needed heat from other stages of heat storage systems.

The invention relates to spraying dust removal equipment for preventing atmospheric pollution in a construction site, and belongs to the technical field of environment-friendly dust removal equipment, the spraying dust removal equipment comprises a steam turbine, an atomizing pump, a solar heat collector and a boiler, the boiler is filled with water, and the solar heat collector generates water vapor by heating the boiler. And then the steam enters the pressure storage tank through the back pressure valve, the bottom of the pressure storage tank is communicated with the steam turbine through the linkage electromagnetic valve, a working port of the spray pump is communicated with the output end of the steam turbine, and the spray pump is suitable for spraying water mist. During use, when the pressure in the boiler exceeds a limit value, water vapor enters the pressure storage tank through the back pressure valve. And then the high-pressure steam gathered in the pressure storage tank can be guided into the steam turbine to drive the steam turbine to operate, the spraying pump and the compression fan can be driven to rotate in the operation process of the steam turbine, and therefore airflow released by the steam turbine is output outwards, and mist water is sprayed outwards.

An absorber tube for a parabolic trough solar power plant is described. The absorber tube includes a glass pipe that extends from a first end to a second end of the parabolic trough. A helical pipe is enclosed within the glass pipe. The helical pipe is configured to hold water. A sand filled pipe is surrounded by the helical pipe. The absorber tube further includes an inner pipe, centered within the sand filled pipe and the inner pipe extends from the first end to the second end of the parabolic trough along a central axis of the glass pipe. A solenoid valve is connected between the helical pipe and the inner pipe. The solenoid valve is configured to block the water from entering the inner pipe during periods of high solar irradiance and release the water to the inner pipe during periods of low solar irradiance.

The invention relates to a steam supply device of a solar combined gas boiler. High-pressure unsaturated water is heated into high-pressure saturated water through solar energy, and then the high-pressure saturated water is continuously heated into saturated steam or superheated steam in the gas-fired boiler. Exhaust flue gas of the gas-fired boiler preheats inlet air of the gas-fired boiler through the air / flue gas heat exchanger. In this way, fuel of conventional natural gas can be saved, and about 20-40% of the conventional natural gas can be saved.

An installation (10) for producing electricity (12) and / or mechanical power, comprising: - a CCGT unit (18), - a splitter (26) for receiving and splitting flue gas (68) into a first gas flow (92) and a second gas flow (94), - a CCS unit (28) for receiving the first gas flow and storing CO2, - a renewable electricity production unit (30), - an electrolysis unit (32) for producing an oxygen flow (102), - a mixing unit (34) for receiving the second gas flow and at least part of the oxygen flow, and for producing a working fluid (60) of a gas turbine (20). The installation is configured for switching between: - a first operation mode, in which the renewable electricity production unit produces renewable electricity (36), and the electrolysis unit uses at least some of it, - a second operation mode, in which the renewable electricity production unit is idle, and the electrolysis unit uses electricity (38) from the CCGT unit or a local grid (40).

NUCLEAR STEAM SUPPLY SYSTEM AND METHOD This disclosure relates to a nuclear steam supply system, comprising: a nuclear power plant, a heat source circuit, a working fluid circuit, a steam consumer, and a steam heat accumulator, where the nuclear power plant is connected to the heat source circuit, the working fluid circuit is connected to the steam consumer and the steam heat accumulator, the steam heat accumulator is connected to the steam consumer, and the heat source circuit and the working fluid circuit are independent of each other. This disclosure allows for peak levelling load adjustment of the nuclear power plant and steam load adjustment of the steam consumer, while ensuring the operational safety of an electrical grid and a reactor. Summary figure: Fig. 1

The invention relates to the technical field of central air conditioners, in particular to a solar photovoltaic photo-thermal cold storage system and a central air conditioner cold storage method. The cold storage system comprises a photovoltaic photo-thermal assembly; the hot water circulation pipeline is connected with a cooling water channel of the photovoltaic photo-thermal assembly, a cooling water inlet is used for being connected with a building sewage input end, and water in the hot water circulation pipeline can be cooled under the action of building sewage; a water inlet of the vacuum evaporator is connected with a cooling water outlet of the photo-thermal evaporator, an air inlet of the vacuum evaporator is connected with a photo-thermal steam outlet of the photo-thermal evaporator, and the vacuum evaporator can absorb heat of building sewage through vacuum low-temperature evaporation and convey condensate water and residual water; the fire water tank is connected with the condensate water outlet and the residual water outlet of the vacuum evaporator; the air conditioner cold water heat exchanger is installed in the fire water tank, PVT low-grade heat energy can be directly utilized, and a low-energy-consumption system integrating building cold storage and sewage reuse is achieved. The cold storage method is based on the cold storage system.

A method of manufacturing a titanium dioxide nanomaterial according to the present invention comprises: mixing a titanium (III) chloride solution, ethanol, and a sodium chloride solution to obtain a solution to be sonicated; performing probe ultrasonication to the solution to be sonicated with an opening time and a pulse closing time for a sonicating time at a power of 45 W to 55 W and under a temperature of 23° C. to 27° C. to obtain a reaction solution; adding deionized water dropwise into the reaction solution with a predetermined adding rate, and gradually increasing the temperature of the reaction solution to 80° C. with a predetermined ramping rate to obtain a solution to be centrifuged; and centrifuging the solution to be centrifuged to separate a precipitate, wherein the precipitate includes the titanium dioxide nanomaterial.

A solar power generation system includes a thermal energy storage vessel containing a thermal mass composition operable to store thermal energy, solar energy collection system, and power generation system. The collection system comprises a first closed flow loop including a solar collector which absorbs solar energy and heats a first working fluid. The heated first working fluid recirculates through a first closed flow loop through and heats the thermal mass composition. The generation system comprises a second closed flow loop including a turbine-generator. The second closed flow loop recirculates a second working fluid through the thermal mass composition to absorb thermal energy and heat the second working fluid which flows to the turbine and the generator produces electricity. The second working fluid may be water / steam or a compressible gas. The thermal mass composition comprises a mixture of a phase change material such as salt and a metallic material.

The solar thermodynamic generator includes a quartz window placed on a metal shell to form an electromagnetic resonant cavity for receiving solar energy, a ceramic conduit placed within the metal shell, where a working medium is heated by solar energy within the ceramic conduit, a heat exchanger placed within a vacuum insulated oil tank, a steam generator placed within the vacuum insulated oil tank, a ceramic heating tube placed within a combustion chamber, and a turbine communicating with the steam generator through fifth and sixth pipelines. The present invention is environmentally friendly, safe, low-cost, highly efficient, zero-pollution, zero-emission, and unaffected by weather or environmental factors. Like natural gas, the present invention can be configured to generate electricity on a grid. Furthermore, after hydrogen fuel and hydrogen-silicon fuel are mixed and combusted, the waste hydrogen can be recycled and reused.

The systems of the present disclosure include a solar-powered steam Rankine cycle (SRC) subsystem to convert solar energy into thermal energy and store the thermal energy; an ejector refrigeration cycle (ERC) subsystem to provide a first refrigeration effect with a first range of temperature based on the thermal energy; an absorption refrigeration cycle (ARC) subsystem to provide a second refrigeration effect with a second range of temperature based on the thermal energy; a brine refrigeration cycle (BRC) subsystem to generate and store when there is no cooling demand and provide a third refrigeration effect with a third range of temperature based on the electrical power generated by the ERC subsystem and the ice being melted; and an adsorption refrigeration cycle (ADRC) subsystem to provide a fourth refrigeration effect with a fourth range of temperature based on the thermal energy.

A solar collector that comprises a conduit for a working fluid, and a parabolic trough reflector arranged to focus reflected sunlight onto the conduit. The parabolic trough reflector is arranged to pivot around the conduit.

A solar thermal generator comprises a quartz window which is arranged on a metal shell, forms an electromagnetic resonant cavity structure and is used for receiving solar energy; the ceramic guide pipe is arranged in the metal shell, and the working medium in the ceramic guide pipe is heated through the solar energy; the heat exchanger is arranged in the vacuum heat preservation oil tank; the steam generator is arranged in the vacuum heat preservation oil tank; the ceramic heating pipe is arranged in the combustion chamber; and the turbine is communicated with the steam generator through a fifth pipeline and a sixth pipeline. Compared with traditional solar power generation, the solar power generation system is environmentally friendly, safe, low in cost, high in efficiency, free of pollution and emission and not affected by natural weather and environment. Networking power generation can be dispatched like natural gas. Particularly, after hydrogen and hydrogen-silicon liquefied gas are mixed and combusted, waste hydrogen can be recycled, so that the consumption of hydrogen energy fuel is greatly reduced, and a new and effective technical approach is explored for realizing ideal new energy development.

An electricity generation system including an electricity generating plant with a turbine, a dynamo and a solar power plant having an absorber tube for a parabolic trough solar power plant that includes a glass pipe which extends from a first end to a second end of a parabolic trough, a helical pipe enclosed within the glass pipe. A sand filled pipe is surrounded by the helical pipe. An inner pipe extends from the first end to the second end of the parabolic trough along the central axis of the glass pipe. A solenoid valve is configured to block the water from entering the inner pipe when the solenoid valve is closed and release the water to the inner pipe when the solenoid valve is opened. The turbine is fluidly connected to the solar power plant to receive the steam and produce mechanical energy which rotates the dynamo.

The present invention belongs to the field of evaporative steam technology and specifically discloses a preheated solar-driven interface evaporative steam production system and method. The system comprises a support shell and a steam evaporation assembly disposed at the top of the support shell. The steam evaporation assembly and the inner bottom surface of the support shell are interconnected by multiple water conveying members to form a delivery channel. The steam evaporation assembly comprises a heat insulation layer, a heat absorption layer, and a preheating layer. A placement hole for the preheating layer is provided at the center of the top of the support shell. The outer periphery of the preheating layer and the lower end of the heat absorption layer are integrally formed and fit within the placement hole. A heat insulation layer is provided above the preheating layer. The lower end of the water conveying member is connected to the bottom of the support shell. The upper end of the water conveying member passes upward through the preheating layer and the heat insulation layer in sequence. An evaporation layer is fixedly provided along the edge of the heat insulation layer. The present invention can convert solar energy into thermal energy, which heats and evaporates seawater to form steam, thereby increasing the steam production rate and solving the problem of low solar energy utilization.

The invention discloses a system for exploiting thickened oil through cooperation of solar energy and industrial flue gas and a working method of the system, and belongs to the technical field of thickened oil exploitation auxiliary systems.In the system, a heliostat is used for reflecting and gathering sunlight to a heat absorber; the low-temperature storage tank is used for storing and transmitting cold thermochemical particles; the heat absorber communicates with the high-temperature storage tank; the fluidized bed heat exchanger is sequentially connected with a centrifugal high-pressure steam compressor and a high-pressure static mixer; the input end of the flue gas adsorption device is used for introducing industrial flue gas, the output end of the flue gas adsorption device is communicated with the flue gas analysis device, the carbon dioxide output end of the flue gas analysis device is communicated with the high-pressure static mixer, and the unutilized gas output end of the flue gas adsorption device is communicated to a supplementary gas source inlet of the fluidized bed heat exchanger; the high-pressure static mixer is used for collecting and mixing input media and outputting an efficient oil displacement system for oil and gas field thickened oil recovery. According to the invention, fossil energy consumption and carbon emission are reduced, the continuity of steam supply is ensured, the oil displacement effect is improved, and the reliability is realized.

The invention discloses an integrated tower power generation system of heat pipe type secondary reflection and focusing, wherein an annular heat pipe absorber is suspended above a cylindrical water tank through a bearing tower, a parabolic reflector is mounted on the top of the annular heat pipe absorber, a steam generator is connected above the parabolic reflector through an evaporation riser, the annular heat pipe absorber is connected to the heat exchange inlet of the steam generator through the evaporation riser, the heat exchange outlet of the steam generator is connected to the annular heat pipe absorber through a condensation reflux pipe, the top of the steam generator is connected to a superheat heat exchanger through a steam pipeline, the heat exchange inlet of the superheat heat exchanger is connected to the upper part of the inner cavity of the cylindrical water tank through an evaporation section heat pipe, the heat exchange outlet of the superheat heat exchanger is connected to the bottom of the inner cavity of the cylindrical water tank through a reflux section heat pipe, and the superheat heat exchanger is connected to the steam turbine of the generator through an outlet channel. The power generation system of the invention has the characteristics of high solar energy utilization, strong operability and low cost.

The present invention provides a solar water splitting hydrogen production system coupled with photothermal power generation, belonging to the field of renewable energy utilization. The system includes a catalyst oxygen vacancy generation unit (catalyst deoxygenation unit) and a water splitting hydrogen production unit (hydrogen production unit) based on an oxygen vacancy catalyst. The catalyst deoxygenation unit is connected to the hydrogen production unit; the deoxygenation unit is used to generate photo-induced oxygen vacancies in the catalyst under short-wavelength sunlight and feed them into the hydrogen production unit; the hydrogen production unit includes a thermal reaction component and a first auxiliary component. The thermal reaction component is arranged below the catalyst deoxygenation unit and is respectively connected to the catalyst deoxygenation unit and the first auxiliary component. The thermal reaction component is used to collect long-wavelength sunlight to heat water vapor, decompose water under the action of the oxygen vacancy catalyst to produce hydrogen, and feed it into the first auxiliary component; the first auxiliary component is connected to the deoxygenation unit to separate the hydrogen and return the catalyst to the deoxygenation unit for circulation. The present invention realizes the co-production of green electricity and green hydrogen using full-band solar energy.

The invention discloses a steam generation device based on solar energy and a calcium-based material, and relates to the field of steam generation, and the steam generation device comprises a perovskite solar heat collection plate, a calcium-based reaction chamber, a reaction assembly, a confluence base and a steam generation barrel. According to the steam generation device based on the solar energy and the calcium-based material, steam generation work can be conducted in the daytime and at night, in the daytime, solar energy can be converted into heat energy through the perovskite solar heat collection plate, and therefore steam is generated; calcium hydroxide particles in the inner cavity of the calcium-based reaction chamber can be heated and decomposed through heat energy in the daytime so that the calcium hydroxide particles can become calcium oxide particles, the calcium oxide particles can be sprayed when no light exists at night so that heat can be generated, and steam can be generated through the generated heat at night so that the steam can be recycled. And meanwhile, the sprayed calcium oxide particles can be regenerated into calcium hydroxide particles, so that the calcium hydroxide particles can be recycled.

An installation for producing electricity and / or mechanical power, comprising: a CCGT unit, a splitter for receiving and splitting flue gas into a first gas flow and a second gas flow, a CCS unit for receiving the first gas flow and storing CO2, a renewable electricity production unit, an electrolysis unit for producing an oxygen flow, a mixing unit for receiving the second gas flow and at least part of the oxygen flow, and for producing a working fluid of a gas turbine.The installation is configured for switching between: a first operation mode, in which the renewable electricity production unit produces renewable electricity, and the electrolysis unit uses at least some of it, a second operation mode, in which the renewable electricity production unit is idle, and the electrolysis unit uses electricity from the CCGT unit or a local grid.

The invention discloses an efficient heat energy conversion device and method based on heat radiation, and belongs to the technical field of heat radiation, the efficient heat energy conversion device comprises a supporting frame, a heat radiation structure is arranged at the top of the supporting frame, the heat radiation structure is rotationally connected with the supporting frame, and a rotation driving structure is arranged on the supporting frame; the rotary driving structure is in transmission connection with the heat radiation structure, a heat energy conversion structure is arranged on the supporting frame, the heat energy conversion structure is communicated with the heat radiation structure, and a conversion power generation structure connected with the heat energy conversion structure is arranged on the supporting frame. In the process of receiving illumination, the groove type parabolic mirror can always face a solar beam; sunlight can be incident and focused on the heat collecting pipe at the optimal angle, the solar energy can be incident and focused on the heat collecting pipe at the optimal angle, 30%-40% more solar radiation energy can be received, and the heat collecting efficiency is improved by 20%-30%.

The invention relates to a hybrid hydrogen thermo-electric multi-function industrial scale power plant, a system including such a power plant and connected appliances, a convection oven, and a hot and cold thermal fluid supply method. The invention uses a thermal fluid for heating, a thermal fluid for cooling, heat to both heat and cool the respective thermal fluids, a renewable or waste energy source to generate electricity, and hydrogen to store energy for both heating, cooling, and electricity. Ultimately, the invention allows to work off the grid on an industrial scale thereby having minimal environmental impact.

The invention relates to the technical field of thermal power plant steam turbines, in particular to a method and device for improving the economical efficiency of a low-load steam turbine, electronic equipment and a storage medium. And solar fluctuation is dynamically adjusted based on a heat storage system in the solar steam generation system, the wet steam running time of the low-pressure cylinder is shortened, meanwhile, the heat storage system is dynamically controlled, and the opening degree of a water supply valve and the flow of heat conduction oil are adjusted to adapt to load changes. According to the method, the coal consumption is reduced, the emission pollution is reduced, the energy utilization efficiency is improved, the deep peak regulation capacity is enhanced, and the low-load economy and the system stability are remarkably improved.

The invention provides a photo-thermal power generation system, and belongs to the technical field of solar photo-thermal power generation. The photo-thermal power generation system provided by the invention comprises a mirror field; an air cooling tower; the heat collector is arranged at the top of the air cooling tower; the circulating assembly is arranged in the air cooling tower, and the circulating assembly is connected with the heat collector; the anti-vibration assembly is arranged below the heat collector; a steam generating assembly; the indirect air cooling assembly comprises a condensation part and a condensation liquid pump, the condensation part and the condensation liquid pump are both arranged outside the air cooling tower, the condensation part is connected with the steam generation assembly through a first pipeline and a second pipeline, and the condensation liquid pump is arranged on the first pipeline; the first heat exchanger is arranged on the first pipeline and connected with the circulation assembly. According to the photo-thermal power generation system, the heat collector is arranged at the top of the air cooling tower, a heat absorption tower does not need to be additionally arranged, and the production and construction cost is reduced. Meanwhile, the circulating assembly is arranged in the air cooling tower, so that heat loss existing when the environment temperature is low is reduced, and the heat exchange efficiency is improved.

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a conventional lower-temperature heat source to boost the temperature of a thermal power cycle working fluid to a turbine, thereby increasing efficiency of the power cycle.

The present invention provides a multi-element thermal fluid generation system for heavy oil thermal recovery, which relates to the field of heavy oil thermal recovery and is characterized in that it includes a data acquisition module, an oil reservoir collaboration module, a dual-energy injection module and a transportation and injection module; the data acquisition module collects information such as oil reservoir temperature and pressure through a sensor network, and runs an energy balance model in combination with a data processing platform and an edge computing device to generate preliminary optimization parameters; the oil reservoir collaboration module uses a deep learning prediction model to analyze oil reservoir stability and recovery efficiency, and generates final optimization parameters through an optimization feedback unit to guide the dual-energy injection module to adjust the thermal fluid ratio, temperature and pressure; the dual-energy injection module generates saturated steam and high-temperature thermal fluid through a trough solar collector and a natural gas combustion device, and transmits the mixed steam and high-temperature thermal fluid to the transportation and injection module after being mixed by a dynamic thermal fluid control device; the transportation and injection module injects thermal fluid into the oil reservoir and monitors the status in real time to form a closed-loop control. The system optimizes thermal energy distribution and improves heavy oil recovery efficiency.