91results about "Solar-rays concentration" patented technology

The utility model provides a kind of hexagonal mirror field of multi-tower multiplex heliostat, solar thermal power generation technical field, comprising: at least two heat absorption towers;Multiple regular hexagonal modules, with the heat absorption tower one-to-one correspondence setting, each regular hexagonal module includes the exclusive heliostat array in the central region and the multiplex heliostat array in peripheral region;The regular hexagonal module is spliced with honeycomb arrangement mode, and the multiplex heliostat array of adjacent module shares boundary;The heat absorption tower is independently set in the geometric center position of each regular hexagonal module.The utility model can be through modularization design and honeycomb splicing, solve the problem of shadow shielding, multiplex rate low and expansion difficulty in traditional mirror field arrangement.

This invention provides a solar-powered full-spectrum frequency-division thermo-electric combined-drive air conditioning system and its control method, belonging to the field of solar heat pumps. It addresses the problems of existing solar-powered jet-compression combined refrigeration systems, which cannot effectively utilize all wavelengths of solar energy, suffer from intermittent instability during power supply, and exhibit low cooling efficiency due to excessively high compression ratios under high temperature difference conditions. During conventional cooling, the system allows selection of single-jet cooling, single-compression cooling, jet-compression combined cooling, or dual-jet-compression combined cooling based on daytime or nighttime conditions and cooling requirements, achieving stable all-weather air conditioning while saving energy. In addition to the conventional cooling mode, a dual-jet-compression cooling mode can be operated to achieve high temperature difference cooling while maintaining a constant compression ratio. It fully utilizes solar thermo-electricity for self-generation and consumption, enabling switching between jet and compression air conditioning modes to ensure all-weather air conditioning needs while achieving energy conservation and emission reduction.

The application discloses a kind of power generation systems based on friction nanogenerator, including photo-thermal power generation system, heat storage system and friction nanogenerator component.This system is a kind of comprehensive power generation system that TENG wind power generation system is combined with photo-thermal power generation system, the application will large-area TENG power generation system be arranged in solar photo-thermal power station reflector back with array distribution, saves the support part investment of TENG power generation system.Meanwhile, the electric energy of TENG power generation is directly converted into heat energy storage and is stored in the molten salt energy storage system matched with photo-thermal, realizes the energy storage function of wind power generation, and does not need to increase energy storage investment, saves the investment of downstream power transmission and transformation equipment, inverter and other equipment equipped with TENG power generation system, finally, due to the energy storage of TENG power generation system contribution, mirror field area of photo-thermal power generation system can be reduced, and the investment of photo-thermal power station itself will be reduced.

The application discloses a kind of distributed solar all-weather power generation device based on thermoelectric technology, it is related to distributed energy storage power generation field, in the present application, solar energy can be converted into heat energy storage by cooperating with light tracking and light collecting part and heat storage and heat exchange part, and then heat energy is delivered to thermoelectric power generation part, and heat energy is converted into electric energy by thermoelectric device in thermoelectric power generation part, so that all-weather power generation of equipment is realized by heat storage and thermoelectric power generation;In light tracking and light collecting part, light collecting part and double-shaft light tracking system cooperate, the angle of light collecting part can be adjusted according to the change of solar altitude angle and solar azimuth angle, so that light collecting part can be perpendicular to sunlight to the greatest extent, improve the light collecting efficiency of equipment, realize the efficient capture of solar radiation, thereby improve solar energy utilization and equipment power generation effect;By using ternary carbonate as heat storage medium, its heat storage density is high, so that the amount of heat storage salt required by the equipment is greatly reduced, and the volume of the equipment can be reduced.

This invention discloses a system and method for improving the output of a linear Fresnel molten salt solar thermal power plant, comprising a low-temperature molten salt tank, a high-temperature molten salt tank, a medium-temperature molten salt buffer tank, a linear Fresnel solar collector field, a low-temperature temperature regulating pump, a medium-temperature temperature regulating pump, a low-temperature molten salt pump, and a high-temperature molten salt pump. During the power plant startup or low-irradiation phase, the medium-temperature molten salt at the collector field outlet that has not reached the target temperature is temporarily stored in the medium-temperature molten salt buffer tank to prevent the medium-temperature molten salt from mixing into the high-temperature molten salt tank and causing a decline in the quality of the high-temperature molten salt. During the high-irradiation phase, the qualified high-temperature molten salt is introduced into the high-temperature molten salt tank. Simultaneously, the medium-temperature molten salt in the buffer tank is mixed with the low-temperature molten salt from the low-temperature molten salt tank according to a calculated ratio, and after temperature adjustment, it is pumped back into the collector field for secondary heating to reach the qualified high-temperature molten salt. This ensures that high-quality superheated steam is provided to the turbine during peak irradiation periods, ultimately improving the annual power generation of the power plant, especially the unit's operating rate and output level in winter.

This utility model relates to a solar water heating supply device, belonging to the field of solar water heating supply technology. The device includes a support frame, a water tank fixedly mounted on the top surface of the support frame, a municipal water inlet pipe fixedly connected to one side of the water tank, several vacuum collectors fixedly mounted on both sides of the support frame, one end of each vacuum collector passing through the support frame and fixedly connected to the water tank, and a water inlet pipe fixedly connected to the other side of the water tank. A storage tank is located on one side of the water tank, and an inner tank is installed inside the storage tank. A pressure pump is installed on the water inlet pipe, one end of which passes through the storage tank and is fixedly connected to the inner tank. A stirring assembly is installed inside the inner tank, and an outlet pipe connected to the inner tank is located on one side of the storage tank. A vacuum state is created by utilizing the gap between the storage tank and the inner tank, which prevents heat loss through heat conduction.

The solar thermal power generation system includes a thermal energy storage container containing a thermal mass composition capable of storing thermal energy, a solar energy collection system, and a power generation system. The collection system comprises a first closed-flow loop including a solar thermal collector that absorbs solar energy to heat a first working fluid. The heated first working fluid is recirculated through the first closed-flow loop to heat the thermal mass composition. The power generation system consists of a second closed-flow loop including a turbine generator. The second closed-flow loop recirculates the second working fluid through the thermal mass composition, absorbing thermal energy to heat the second working fluid, which is then fed to a turbine to generate electricity in the generator. The second working fluid is water / steam or a compressible gas. The thermal mass composition consists of a mixture of a phase-change material, such as a salt, and a metallic material.

A lightweight, low stow volume solar concentrator / collector may include one or more reflective surfaces comprising a shape memory material. The solar concentrator includes support frame, a support structure coupled to the support frame, and a reflective surface coupled to the support structure. The reflective surface comprises a shape memory material to transition the reflective surface from a flat configuration to a curved configuration.

This invention discloses a light-controlled molecular heterogeneous thermal storage device, belonging to the field of solar energy storage technology. The device includes a detachably connected first and second shell, both with mirrored inner surfaces. The first shell houses a light source assembly containing a xenon lamp and a first filter; the second shell has a magnetically attachable second filter on its top and multiple circular flow heat exchange channels running through its sides. A rotatable heat storage layer is fitted around each channel, and the interior is filled with a molecular light-switching material. A liquid metal thermally conductive layer is filled between the heat storage layer and the heat exchange channels. This invention achieves switching between natural light and auxiliary light modes through a detachable structure, adapting to different lighting conditions and enabling all-day operation; the rotating heat storage layer and mirrored inner wall ensure uniform illumination, and the liquid metal ensures efficient heat transfer, thereby significantly improving the energy storage and release efficiency of the molecular light-switching material and the system's controllability.

The application belongs to the technical field of solar heat collection and refrigeration system control, and provides an intelligent collaborative control method and system for a trough type solar heat collection and refrigeration system. First, according to multi-source sensing data at different positions of the trough type solar heat collection and refrigeration system, the efficiency priority conditions are divided into a first group of efficiency priority conditions, a second group of efficiency priority conditions and a third group of efficiency priority conditions. Then, when the first group of efficiency priority conditions is met, the control system runs a heat collection-direct drive refrigeration mode; when the second group of energy storage conditions is met and the first group of conditions is not met, the control system runs a heat collection-energy storage mode; and when the third group of energy release conditions is met and the first group of conditions is not met, the control system runs an energy storage-refrigeration mode, realizing dynamic optimization scheduling of the whole chain energy from heat collection, energy storage to refrigeration, fundamentally solving the problem of fragmentation of each link, avoiding energy waste and supply-demand mismatch, and greatly improving the overall energy utilization rate of the system.

The application provides a solar and biogas driven SOFC poly-generation system and method, a heat storage tank of a trough type solar heat collector is communicated with a first heat exchanger in an organic Rankine cycle module, so that working medium in the heat storage tank heats working medium in the organic Rankine cycle module; the first heat exchanger is communicated with a second heat exchanger in an anaerobic digestion module, so that low-temperature working medium drives an anaerobic reaction tank, the second heat exchanger is communicated with a liquid storage tank of the trough type solar heat collector; a CH4 storage tank of the anaerobic digestion module is communicated with a fuel compressor of an SOFC module, and an exhaust gas output pipeline of the SOFC module is communicated with a regenerative steam generator of a Kalina cycle module, so that exhaust gas of the SOFC module drives the Kalina cycle module to generate power; the application couples PTSC with ORC, anaerobic digestion, SOFC and KC, realizes heat and power cogeneration, realizes the renewable nature of input end energy, guarantees high poly-generation efficiency and power generation efficiency, and has the effect of energy saving and consumption reduction.

A system for converting solar energy into electrical energy, comprising a water circuit; an electric heater that increases the temperature of the water in said circuit; a device for converting solar energy into thermal energy of water; a steam generator that converts the thermal energy of water into electrical energy; a converter of said electrical energy; an accumulator; and generators; characterized in that, under conditions of insufficient solar energy, the energy stored in said accumulator is converted by said generators, and this ensures uninterrupted generation of electrical energy both under conditions of sufficient sunlight and under conditions of insufficient sunlight, as well as in the absence of sunlight.

The present invention provides a solar-based multipurpose utility system which is an integrated appliance that uses solar energy to perform various utility functions such as cooking, ice melting, water heating, room heating, and food drying. The phase change material has been used in the system for enhancing the thermal storage capacity of the system. The invention supports the idea of providing wireless remote control for the overall system to the end-user using IoT-based sensors and devices. The system comprises Fresnel lens with cover (21), Fresnel lens (22), ice pot (23), water pipe (24), reflector (25), water storage tank (26), blower (13), phase change material (PCM) filled in evacuated tube arrangement (27), hot air sprayer (28), water filter (15), battery with electronic components (3), water tap (29), temperature and humidity sensor (16), exhaust fan (12), and solar panel (1).

This invention discloses a concentrated photovoltaic-thermal integrated utilization control device, belonging to the field of renewable energy utilization equipment technology. The device includes a mounting column, with a mounting frame fixedly connected to the top. An upper photovoltaic panel and a lower photovoltaic panel are fixedly mounted on the top and bottom of the mounting frame, respectively. Two heat receivers are disposed between the upper and lower photovoltaic panels. Two spectral dividers are fixedly connected to the outer periphery of the top of the mounting column. Through the coordinated design of concentrated frequency division and heat recovery, it achieves efficient utilization of the entire solar spectrum, solving the energy loss problem caused by the separation of traditional photovoltaic power generation and solar thermal utilization. It overcomes the technical bottlenecks of excessive temperature rise of photovoltaic modules, decreased photoelectric conversion efficiency, and waste heat under concentrated conditions, improving the energy output efficiency and operational stability of the entire system.

Solar receiver consisting of absorber panels (1) based on compact structures (2), wherein the absorber panels (1) are convergent on a focal line or a focal point of a concentrating solar collector system (17, 19), so that concentrated solar radiation (4) from the solar concentrator (17, 19), simultaneously is incident on both absorber surface walls (3) of each absorber panel (1). In each absorber panel (1), the compact structure (2) is characterized by a gradual and increasing compactness in the fluid flowing and heating direction, which corresponds to an increasing gradient of net heat flux absorbed by the absorber panel (1); in this way, the thermal fluid flows throughout the absorber panel (1), in paths along a complete panel dimension in a specific direction, hereinafter referred to as fluid flow passes, the compactness being constant in each fluid flow pass, and increasing compared to the previous fluid flow pass, by means of a decrease in the hydraulic diameter that characterizes the compact structure (2) in that fluid flow pass.

This invention discloses a biaxial trough solar collector and its usage method, relating to the field of solar energy technology. The invention includes a solar collector, a biaxial support, an energy distribution mechanism, a heat collection mechanism, and a steam guiding mechanism. The invention incorporates a distribution component within the heat collection mechanism. Equally spaced partition meshes divide the inner cavity of the inner heat collection tube into multiple independent areas, segmentally blocking the free flow of the evaporating liquid. Combined with a water outlet trough on the bottom water pipe for continuous leakage, the evaporating liquid is absorbed by the honeycomb sleeve and held in a specific position, exhibiting a "quasi-solid" distribution. This design effectively overcomes the problem of uneven distribution caused by gravity-induced liquid accumulation at lower elevations when the collector tilts due to angle adjustments of the biaxial support, ensuring uniform heat exchange efficiency of the heat collection tube at different angles.

A method for measuring a shape of a reflector surface of a heliostat at night using a bright star at different elevation and azimuthal settings according to an embodiment of the current invention includes setting the heliostat in fixed orientation such that aberrated and overlapping star images formed are translated due to Earth's rotation in a translation direction across the heliostat array receiver; viewing images of the bright star using a fixed array of cameras placed at or near an array receiver of the heliostat, wherein each camera of the fixed array of cameras has a large aperture lens, and simultaneous exposures are made quickly enough and repeated for long enough, so that, as they translate past the cameras, the aberrated star image is fully sampled in two dimensions, and wherein every point on the reflector surface of the heliostat appears in one or more of the recorded images as being bright from reflected starlight; and processing the recorded images from the fixed array of cameras with a data processor to obtain the surface shape by integration of the surface slopes.

A solar power concentrator system includes a housing and a glass coupled to the housing to define an enclosure therebetween. A trough concentrator is rotatably disposed in the enclosure. The trough concentrator includes a pair of end plates, a tube or pipe extending along the length of the support frame that allows a fluid to pass therethrough, a support frame extending between and attached to the end plates, and a reflective film having opposite edges attached to side rails of the support frame. The reflective film has a curved (e.g., parabolic) shape between the opposite edges and can reflect sunlight onto the tube or pipe. An actuator rotates the trough concentrator about an axis of the end plates to vary an orientation of the reflective film. The glass shields the reflective film of the trough concentrator from wind.

The utility model relates to the technical field of solar light and heat power generation discloses a solar heliostat. The solar heliostat includes: first sub mirror, the distribution of at least two second sub mirrors around the first sub mirror week side, support frame, stand and tracking mechanism, the axis of stand is perpendicular to ground, support frame is located at the top of stand, tracking mechanism is used for driving support frame action, first sub mirror and second sub mirror are located at the side of support frame away from the stand, first sub mirror and support frame fixed connection, every second sub mirror is connected with support frame rotation to the edge part of first sub mirror, the rotation axis of second sub mirror is perpendicular to the arrangement direction of itself and first sub mirror, and is parallel to the mirror surface of first sub mirror, and the part of second sub mirror away from first sub mirror is equipped with support part, and support frame is connected with support part through an adjusting part. The solar heliostat can realize the fast adjustment focal length, and the positioning accuracy is higher, and it is favorable for improving the focusing accuracy of heliostat.

This invention discloses a method and system for scheduling heliostat fields in a multi-tower coupled solar thermal power plant. The method includes: S1. Determining whether each absorber tower is an over-limit tower and whether each receiving area on the absorber is an over-limit area; S2. If at least one over-limit area exists, determining target processing areas according to the degree of over-limit in each receiving area from high to low, using the absorber tower belonging to the target processing area as the target processing tower, and iteratively executing a first scheduling scheme until each receiving area and each target processing tower is within limits; if no over-limit areas exist, proceeding to step S3; S3. If at least one over-limit tower exists, determining target processing towers according to the degree of over-limit in each absorber tower from high to low, and iteratively executing a tower over-limit scheduling scheme until each absorber tower is within limits. Implementing the technical solution of this invention can coordinate tower-level and area-level dual constraints, intelligently, efficiently, and stably completing the scheduling of heliostat fields.

The application relates to the hydrogen energy preparation technical field, in particular to a methanol cracking hydrogen production carbon process and system, the methanol cracking hydrogen production carbon process comprises the following steps: a, preparing methanol gas; b, methanol cracking is carried out through a catalyst system: under an argon atmosphere, the catalyst system is heated to a predetermined temperature, the methanol gas is introduced, and methanol cracking hydrogen production carbon is carried out; the catalyst system comprises an alloy catalyst and a modified metal oxide catalyst; c, product collection: collecting hydrogen and carbon material obtained by cracking. The application provides a methanol cracking hydrogen production carbon process and system, so as to solve the problems of insufficient catalyst activity and selectivity, large reactor energy consumption and high investment.

A mobile system for treatment of a fluid containing organic material using sunlight may provide a trailer and a fluid treatment system mounted on the trailer. The fluid treatment system may include a solar tracking subsystem coupled to the trailer, a lens support mounted on the trailer and controlled by the solar tracking subsystem, a refracting lens coupled to the lens support, and a receiver mounted on the trailer. The receiver may be positioned with respect to the refracting lens to receive substantial concentrated light energy from the sunlight passing through the refracting lens. The fluid may be routed through the receiver for treatment of the organic material with concentrated sunlight.

A solar collector includes 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 utility model belongs to solar hot -blast generating equipment technical field, especially relates to a solar heat collecting device, including bottom plate, the top of bottom plate is fixedly connected with riser and light transmission plate support, is fixedly installed with light transmission plate on light transmission plate support, bottom plate, riser, light transmission plate support and light transmission plate are jointly enclosed and become the heat collecting cavity of cross section shape is triangular structure, the position department of riser and light transmission plate support connection is hinged with reflection component, the position department of light transmission plate support near its both ends all are provided with the adjusting component for adjusting the angle of reflection component, the utility model discloses structure passes through rationalization design, and the sunlight of reflection through reflection plate is irradiated on light transmission plate, and the sunlight that directly strikes on light transmission plate is penetrated into heat collecting cavity together, has improved the heat collecting effect of device greatly, through adjusting component, the angle of reflection plate is adjusted conveniently according to the season difference, thereby guaranteeing the best reflection effect of adjusting component to sunlight in different seasons.

The application discloses a kind of integral liquid filling spectral filtering concentrators based on total reflection, including sealed shell, internal total reflection wall surface and filling in the cavity of spectral selective absorption liquid. Through the oblique design of total reflection wall surface, light occurs total reflection at solid-liquid interface, realizes low-loss concentration;Liquid medium selectively absorbs photovoltaic non-response waveband and converts into heat energy, while cooling battery. Multiple concentrating units can be cascaded into linear and point-type concentrator array, realizing high-multiple concentration. The application solves the technical problems of high optical loss, insufficient spectral utilization, functional separation and complex structure in solar concentration system, realizes the integration of concentration, light filtering and thermal management, and improves the comprehensive utilization efficiency and engineering applicability of solar full spectrum.

This invention belongs to the field of photogrammetry technology and relates to a rapid photogrammetry system and installation method for a parabolic trough solar collector support. It includes: an image acquisition device positioned above the parabolic trough solar collector support to be measured; multiple first reflective markers, each comprising a reflective coating and a circular exposed area on the surface of the reflector support component of the parabolic trough solar collector support; multiple second reflective markers detachably mounted on the ends of the parabolic trough solar collector support and on the collector tube supports of the parabolic trough solar collector support; a measuring scale spaced apart from the parabolic trough solar collector support; and a data processing device connected to the image acquisition device. This invention significantly reduces the installation work of the reflective markers, thereby significantly improving the efficiency of photogrammetry operations.

The application discloses a linear focusing heat collecting system and relates to the technical field of solar heat collectors, which comprises a supporting assembly, a heat collector assembly, a light collector assembly and a driving assembly. The heat collector assembly and the light collector assembly are arranged on the supporting assembly. A straight-through channel is formed in the heat collector assembly, and the channel is used for passing heat transfer medium. The heat collector assembly is arranged at the focal line position of the light collector assembly. The driving assembly can drive the light collector assembly to rotate around the heat collector assembly. The linear focusing heat collecting system is suitable for the operation condition of molten salt as heat transfer medium.