130 results about "Solar concentrator" patented technology

The invention relates to the technical field of energy, in particular to a solar coupling hydrocarbon fuel reforming low-carbon oil displacement system which comprises a solar collecting lens, a gasification cavity, a reaction cavity, a solar heat collector, a condensation cavity, a hydrogen separation assembly and a catalyst. The solar collecting lens is arranged on one side of the solar heat collector; the gasification cavity and the reaction cavity are arranged in the solar heat collector; a hydrogen separation assembly and a catalyst are arranged in the reaction cavity, the gasification cavity is used for gasifying input excessive liquid water and hydrocarbon fuel to obtain gaseous hydrocarbon fuel and excessive water vapor, the gaseous hydrocarbon fuel and the excessive water vapor are subjected to a water vapor reforming reaction under the action of the catalyst, and generated hydrogen is discharged through the hydrogen separation assembly; the remaining carbon dioxide and water vapor are conveyed into a gas injection well to conduct oil displacement on an oil field; the condensation cavity is connected with the mining well. The efficient and environment-friendly device based on hydrocarbon fuel wet reforming directly heats and displaces oil by recovering hydrogen and residual reaction products, so that the energy utilization rate is increased, and carbon dioxide is recovered.

The invention discloses a tower type solar condensation and heat absorption system based on a novel cavity type absorber. The tower type solar condensation and heat absorption system is composed of a condensation mirror field and an absorption tower. The absorption tower comprises two cavity absorbers which are arranged up and down and have the same structure. According to the cavity type absorber, an internal heat absorption pipe set is arranged in a cylindrical heat preservation cavity, and the inner wall face of the heat preservation cavity is coated with a heat absorption coating. The two heat absorbers are provided with lighting openings in one side of the heat preservation cavity, the directions of the lighting openings of the two heat absorbers are opposite, the sides, provided with the lighting openings, of the two heat absorbers serve as the light facing sides of the two heat absorbers respectively, and sunlight converged by mirror fields of the light facing sides of the two heat absorbers is obtained respectively. The heat absorber is provided with an exposed heat-absorbing pipe group on the outer wall surface of the heat-insulating cavity on the light-facing side; the heat absorption medium firstly exchanges heat through the external heat absorption pipe set on the light facing side, and then further absorbs heat through the heat absorption pipe set in the heat preservation cavity. Sunlight is reflected and converged to the light facing sides of the corresponding absorbers through the mirror fields on the two sides of the absorption tower, so that the area of the mirror fields is enlarged, and the field is more fully utilized.

Exemplary embodiments described herein may include lightweight, low stow volume solar concentrator.

A system and method for production of hydrogen from natural gas using a solar powered system are provided. An exemplary solar powered system includes a feed stream including methane and a solar concentrator reactor (SCR) to form hydrogen from the feed stream by pyrolysis. The SCR includes a rotating tubular reactor, a solar absorber material disposed on the rotating tubular reactor, a solar concentrator to focus sunlight on the rotating tubular reactor, and a gas-solid filtration unit to separate solid carbon from the hydrogen. The solar powered system includes a storage tank to hold the hydrogen.

The invention provides a method for measuring energy flux density three-dimensional space distribution of a solar concentrator, and belongs to the technical field of solar photo-thermal power generation. Comprising the steps that an energy flux density sensor array of a main-auxiliary column structure is constructed, main columns are symmetrically arranged with the focus of a condenser as the center, and auxiliary column sensors are located at the centers of adjacent sensors of the main columns; the array is driven by a double-shaft guide rail system to perform multi-plane scanning, and CCD images and energy flux density data are synchronously acquired; establishing a mapping relation between the energy flux density data and the space coordinates based on the optical reference points; in-plane data are processed by adopting a thin-plate spline interpolation method, and three-dimensional energy flux density field reconstruction is realized by combining a trilinear interpolation method. The normalized peak energy flux density gradient between adjacent scanning planes is controlled within 40%. According to the invention, data are directly obtained through the energy flow sensor, CCD gray scale conversion errors are avoided, and the energy flow density three-dimensional space distribution characteristics from a focal plane to a discrete region can be completely represented by adopting the dynamically adjustable scanning plane spacing.

Described is a multi-layer film for solar concentrators, having a first plastic layer with chromophore additives dispersed in it and coupled on at least one of the two faces with a second transparent plastic covering layer which is thicker than the first layer.

The utility model relates to a kind of slot type solar concentrator hydraulic drive device, including concentrator push-pull oil cylinder and its hydraulic drive system, the oil tank of hydraulic drive system is connected with energy accumulator, concentrator push-pull oil cylinder by motor and pump group unit, high-pressure pipeline, valve control unit, the oil tank is aluminum alloy die-casting oil tank, the aluminum alloy die-casting oil tank upper along with the platform lower surface is sealed, waterproof, dust cover is installed on platform upper portion, platform one side fixed mounting adapter mounting vertical plate, the both sides of waterproof, dust cover are equipped with quick detach buckle, so the connection between dust cover and oil tank is fixed without bolt connection, just press buckle, dust cover can be locked, greatly reduce the work hour amount of disassembly and assembly, improve installation efficiency, save time cost.The utility model is resistant to-40°C low temperature, waterproof and dustproof performance is high, with good protective performance, easy to repair and maintain, can be stable under harsh environment, high precision and high service life.

The invention relates to a preparation method of a low-dimensional non-lead perovskite polymer composite material applied to the field of low-dimensional semiconductors, and provides a brand-new micro-emulsion method of proton solvent mediated low-dimensional non-lead perovskite so as to solve the problem of dispersion of the perovskite in a mother liquor medium, improve the uniformity of a perovskite micro-nano structure and improve the performance of the perovskite. The external quantum efficiency of the light-emitting solar concentrator using the composite material is further enhanced, the barrier of distribution regulation and control of the non-lead low-dimensional perovskite in the composite material in the prior art is effectively solved, and the light-emitting solar concentrator based on the non-lead low-dimensional perovskite abandons the introduction of traditional lead metal, so that the light-emitting efficiency of the light-emitting solar concentrator based on the non-lead low-dimensional perovskite is greatly improved. The device is high in environmental protection property, small in environmental harm, low in cost, stable in device output power, suitable for commercial building integrated photovoltaic products including but not limited to photovoltaic windows / roofs / curtain walls and the like, and beneficial to development of the zero-carbon building field.

A high-strength skin-core structure fluorescent solar light-collecting fiber and its preparation method and application. The present invention belongs to the field of solar light-collecting fibers and their preparation. The purpose of the present invention is to solve the technical problem that the existing fluorescent solar light-collecting fibers cannot take into account both excellent light-collecting performance and mechanical properties. The core layer of the high-strength skin-core structure fluorescent solar light-collecting fiber of the present invention is made of polylactic acid and fluorescent material, and the skin layer is a copolymer of tetrafluoroethylene, hexafluoropropylene and vinylidene fluoride. Preparation method: firstly, polylactic acid and fluorescent material are melt-blended and granulated; then melt-spun, and after spinning, different drawing processes are performed, and then heat-set to obtain a high-strength skin-core structure fluorescent solar light-collecting fiber. The present invention obtains a transparent PLA fluorescent solar light-collecting fiber with a certain degree of crystallinity and orientation, excellent mechanical properties and heat resistance through process adjustment.

Industrial plant comprising a heating module (10) which comprises a solar concentrator (11) provided at least with a reflecting surface (12).

A solar concentrator used to harness heat and electrical energy from the sun that is particularly effective for rural areas, as well as a method for using the same. The solar concentrator can be used as a stand alone device for simple energy generation, or as a just a part of a larger energy system. In either scenario the solar concentrator is a cost-efficient, and simple to implement device which makes implementation in low-income, or developing areas much easier than existing solar energy collection devices and systems.

The invention relates to a flat internal reflection shutter type solar concentrator with a curved distribution mirror field, which comprises a mirror field consisting of a plurality of long-strip-shaped reflector units, a reflector rotating shaft, a reflector angle adjusting mechanism, a side surface supporting plate of the mirror field and a solar receiving component. The mirror field faces the outer side of the building, and the solar energy receiving component faces the interior of the building; the reflector units are installed on the side face supporting plate through independent reflector rotating shafts, and the center points of the reflector rotating shafts are distributed on the side face supporting plate in a curve mode. The reflector angle adjusting mechanism is connected with the reflector rotating shafts and used for driving the reflector units to rotate so as to adjust the reflection angles of the reflector units in real time, and incident sunlight is converged to the solar receiving component after being reflected. Compared with the prior art, the light condensing efficiency is improved, and the optical performance is optimized; light pollution is avoided; the structure is compact.

A spectral splitting device (1) for a solar concentrator system, the spectral splitting device (1) configured to receive light from a primary optical element of the solar concentrator system, and the spectral splitting device (1) comprising a tapered body (11) comprising a through channel (12).

An energy harvesting system is disclosed including a plurality of beams connected to form a structural frame, and a plurality of solar concentrator panels mounted on the structural frame to provide a solar concentrator array for reflecting solar radiation onto a plurality of receiver tubes configured to transport a heat transfer fluid to be heated. The beams are configured to support a mobile manipulator for travel along the structural frame for performing at least one operation on the array. A mirror apparatus used in a solar concentrator panel is also disclosed and includes an elongate thin-walled closed structural beam, and a mirror extending along and mounted to a surface of the closed structural beam in a transversely deformed condition to cause the mirror to have a transverse curvature that is selected to focus the solar radiation onto a receiver tube.

An example Fresnel lens design has four segments A-D of equal area which can be manufactured from the same mold, before being rotated and assembled in the pattern shown. The segments A-D have flanges, appropriate to facilitate assembly and structural integrity during the lifetime of the lens.

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.

System (100) for a solar thermal storage capsule, wherein the system (100) comprises: a Scheffler solar concentrator (102) configured to direct concentrated solar flux onto a container of water; and a heat storage capsule comprising a shell enclosing a removable tube (104) arranged in a cantilever configuration, the removable tube containing a phase-change material (106), wherein heated water from the receiver transfers heat energy to the phase change material (106) to store latent heat during a charging phase, and wherein the removable tube (104) is removable to release the stored heat energy to heat water when no solar energy is available.

The present invention discloses a class of perylene diimide luminescent crystals with the characteristics of a magic-angle stacking structure and their applications. In the perylene diimide luminescent crystals with the characteristics of a magic-angle stacking structure, the imide region of the perylene diimide and the substituents are connected by a methylene group, and the types and sizes of the substituents can finely adjust the arrangement of molecules in the crystal. The perylene diimide luminescent crystals can be obtained by solution processing or vapor deposition, and their stacking mode is a staggered stacking, with the slip angle near the magic angle (54.7°), that is, the displacement along the long axis of the molecule and the displacement along the short axis have a crossing angle less than or equal to 30°. The luminescent crystals of the present invention have a broad absorption band in the visible light region, and the fluorescence is mainly in the deep red-near infrared region, and its fluorescence quantum yield ranges from 1% to 100%, and it can be applied in solar concentrators, organic electroluminescent devices, etc.

The present invention discloses a Mn-based metal halide fluorescent solar concentrator device and its preparation method. The method first involves mixing benzyltrimethylammonium bromide, MnBr2, and water in an air atmosphere, stirring to clarify, and then filtering. PEO is then added and thoroughly stirred to dissolve to form a precursor solution. Finally, the precursor solution is applied by blade coating followed by spin coating to form a light-absorbing layer. The thickness of the light-absorbing layer is controlled by regulating the spin coating rate. By selecting the appropriate PEO additive, using a hybrid Mn-based metal halide as a precursor, and employing a solution method of blade coating followed by spin coating, the present invention achieves the preparation of a photovoltaic concentrator with high transparency, high light conversion efficiency, and high edge emission efficiency, without the need for organic solvents or external processing.

The invention discloses an aggregation-induced emission material, and fluorescent power generation glass and a fluorescent solar concentrator prepared based on the aggregation-induced emission material, and relates to the technical field of preparation of fluorescent solar concentrators. The invention provides an organic micromolecule material with an aggregation-induced emission (AIE) characteristic, solves the problem of fluorescence intensity weakening caused by a self-absorption effect in a traditional fluorescent solar concentrator, ensures high fluorescence quantum yield, and reduces reabsorption loss of photons in a transmission process. Besides, the optical waveguide transmission path is further optimized by adopting the design of a multi-layer laminated structure, the photon transmission efficiency is remarkably improved, and the optical waveguide has important positive significance in promoting the technical development of the fluorescent solar concentrator.

A solar concentrator reactor system and method of use for high temperature thermochemical processes. In one embodiment, the solar concentrator reactor system produces a thermochemical reaction of irradiated particles within an enclosed vessel volume of a solar concentrator reactor. In one aspect, the solar concentrator reactor system uses a solar concentrator to irradiate particles of a particle stream within an enclosed vessel volume of a solar concentrator reactor. The thermochemical reaction yields a chemical change of the feedstock and / or phase transition of the feedstock such as the production of a molten reacted material from a solid particulate feed. In one embodiment, the particles are a lunar regolith and the thermochemical reaction yields oxygen.

A solar thermal storage system and method based on quantum dot spectrum modulation, the system is composed of a special working fluid and pipeline, a working fluid spray evaporation section, a molten salt heat exchange section and a working fluid return section; the special working fluid and pipeline include working fluid, a small diameter pipeline and a T-shaped pipeline; the working fluid is a mixture of water and millimeter particles, the millimeter particles are composed of a substrate and a quantum dot thin layer wrapped around the substrate, and the working fluid has an absorption spectrum that matches the solar spectrum; the working fluid spray evaporation section includes a first solar concentrator, a nozzle and a second solar concentrator; the molten salt heat exchange section includes a molten salt tank, a molten salt pump and a molten salt circulation pipeline; the working fluid return section includes a collecting hopper, an insulation blanket and a booster pump. The present invention utilizes the spectral modulation effect of quantum dots on solar energy to match the absorption spectrum of the working fluid with the solar spectrum, efficiently absorb solar energy, and thus realize a system and method for solar thermal storage, which is efficient, environmentally friendly, pollution-free, and has great development potential.

A system and method for separating and utilizing carbon dioxide based on spectral modulation, which consists of a carbon capture part and a carbon dioxide cold storage part; the carbon capture part includes an air pump, a gas-solid mixing chamber, a carbon dioxide absorption cavity, a solar concentrator, a centrifugal separator, a one-way particle release valve, a carbon dioxide desorption cavity, a particle filter layer and related pipelines; the carbon dioxide cold storage part includes a booster pump, a pressure control valve, a reactor, a one-way control valve, a cold storage tank, a circulation pump, a heat exchanger, a reaction solution replenisher and related pipelines. The present invention utilizes the modulation effect of special glass on the solar spectrum, the selective absorption and conversion effect of graphene quantum dots on solar energy, and utilizes multiple bands of sunlight. At the same time, solid particles are used to capture carbon dioxide, thereby realizing a solar-driven carbon dioxide separation and utilization system and method.

The invention discloses an optical anisotropic luminous solar concentrator and a preparation method thereof, and the optical anisotropic luminous solar concentrator is of a layered structure and is prepared by blade coating a halide perovskite CsPbBr3 nanowire layer on a glass substrate. The layered structure is composed of a glass substrate, an ultraviolet curing adhesive layer and at least two functional layers, and each functional layer is composed of a CsPbBr3 perovskite nanowire-polymethyl methacrylate composite light-emitting film. Under the action of the halide perovskite CsPbBr3 nanowire, the probability that fluorescence emitted by the light-emitting solar concentrator is conducted to the side edge parallel to the substrate can be greatly increased, so that the loss of an escape cone in the direction perpendicular to the substrate is reduced; meanwhile, due to the introduced optical spacing layer, the reabsorption loss of the device can be reduced, the conversion efficiency of the device is improved, the transmittance is relatively good, and the preparation cost is relatively low.

The invention discloses an efficient laminated fluorescent solar concentrator based on environment-friendly quantum dots, and belongs to the technical field of solar photoelectric conversion. According to the condenser, an upper layer structure and a lower layer structure are physically attached to form an optical coupling laminated design, wherein the top layer uses environment-friendly carbon quantum dots for absorbing visible light of 300-500 nm as a light-emitting material; and the bottom layer adopts copper-based ternary quantum dots of which the absorption range covers ultraviolet light to near-infrared light. The invention also provides a preparation method of the condenser. The structure not only realizes wide-range efficient absorption and fluorescence convergence of solar spectrum, but also has the characteristics of environmental friendliness and no heavy metal toxicity. Under AM 1.5 G standard illumination, the highest photoelectric conversion efficiency of the laminated condenser reaches 4.48%, and the laminated condenser has excellent stability and environmental protection compatibility and is suitable for building windows, vehicle skyscreens and other scenes.

A luminescent solar concentrator (LSC) includes first, second, and third waveguides and a photovoltaic cell. The first waveguide includes a first substrate and a first luminophore on the first substrate and / or embedded in the first substrate. The second waveguide includes a second substrate and a second luminophore on the second substrate and / or embedded in the second substrate. The third waveguide includes a third substrate and a third luminophore on the third substrate and / or embedded in the third substrate. The photovoltaic cell is coupled to the first, second, and third waveguides. The second waveguide is between the first and third waveguides. The LSC is configured to receive light in a direction defined from the first waveguide to the third waveguide.

The present invention relates to a multi-stage system for heating air for drying in general, applied to the field of thermal engineering and methods, more specifically TO the area of heat transfer and energy efficiency using solar concentrators (3) for heat a fluid, which is stored in a thermal reservoir (1), connected to a main heat exchanger (11) that performs heat exchange with the drying air, which is injected into a dryer (2). In addition to reusing residual air, by heating a secondary heat exchanger (10), it operates with a support system (16) that may be activated when necessary. The system discloses the advantages of using renewable energy for drying without affecting the environment.

The application provides a nanofluid groove type solar concentrator and relates to the technical field of concentrators.The solar concentrator comprises a protective cover, a mounting seat is fixedly connected to the inner wall of the middle position of the bottom of the protective cover, a reflecting mirror is arranged in the mounting seat, and a nanofluid is arranged in a heat collecting pipe.The nanofluid comprises the following raw materials: multi-walled carbon nanotubes, glycerol and betaine.The nanofluid is prepared by compounding nanoparticles and a base fluid, is filled into the heat collecting pipe to perform heat absorption and heat conduction, the multi-walled carbon nanotubes have excellent heat conduction performance, the heat collecting pipe adopting the nanofluid has high efficiency in heat transfer, and due to the good stability of the nanofluid and the high refractive index of the nanoparticles, the nanofluid does not have the phenomena of precipitation and stratification in long-term use, and the heat collecting pipe has high heat transfer and heat conduction efficiency.

A solar concentrator device is provided. The solar concentrator device includes a waveguide having a luminophore and a first refractive index; a photovoltaic component operably coupled to the waveguide; and a film disposed onto a surface of the waveguide, the film having a second refractive index. The second refractive index of the film is lower than the first refractive index of the waveguide. The waveguide and the film are visibly transparent.