34results about How to "Improve energy flow density" patented technology

A double earth polar gas purifying high energy electric field apparatus and a gas high energy discharge purifying method can purify gas efficiently. A high voltage polar is in a filament, net, aperture or tip projection shape and arranged on an external side of a medium; the medium has a channel for air-flow passing; an earth electrode comprises a conductive pipe or a conducting rod arranged in center of the medium channel and a conductive adsorbent arranged on an external side of an outlet of the medium channel. According to the method, the channel for gas flowing is arranged in a high voltage pulsed discharge electric field, which carries out corona-glow discharge in the channel to ionize the gas; the medium forms an additional electric field under effect of the high voltage pulsed electric field and reinforces the electrons or ions together with the high voltage electric field to enhance energy level and discharge energy density, so that high energy charged particles break pollutant chemical bonds and generate active substances in air to complete physical and chemical reactions for degrading and removing gas pollutants and killing bacteria and viruses; and the gas passes through the conductive adsorbent to further enhance purifying effect.

An economic high-carbon wear resistant steel tube with excellent processing properties comprises 0.60-0.72wt% of C, 0.10-0.30wt% of Si, 0.50-1.20wt% of Mn, 0.0030-0.0070wt% of Ca, 0.60-0.86wt% of Cr, 0.015-0.050wt% of Als, 0.015wt% or less of P, and 0.005wt% or less of S. A production method of the steel tube comprises the steps of smelting, continuous casting for blank formation, cast blank slow cooling, cast blank heating, high pressure water de-scaling, hot rolling, front cooling, rolling, air cooling to room temperature, rear cover annealing, air cooling to room temperature, tube making, and induction heat treatment. The production method has the advantages of simple chemical elements, guaranteeing of the mechanical properties, and formation of uniform spherical pearlite structure at all positions of an annealed and rolled steel band, and online continuous induction heat treatment is adopted to make a steel material internally heated, so the heating speed is greatly higher than traditional heating speeds, the heat treatment speed per minute is improved, the heat insulation time can substantially decrease to 0.5-1min and is substantially shorter than traditional heat treatment heat insulation times, the growth tendency of austenite crystal grains is small, no decarburization occurs on surfaces, the production efficiency is improved, and the surface hardness is substantially improved.

The invention discloses a device for testing the performance of a tidal flow energy conversion device through the relative movement thereof. The testing device comprises a water channel, guide rails, a testing mechanism and a dragging and driving device. The movement of the tidal flow is simulated by utilizing the relative movement of the tidal flow energy conversion device, and then the performance of the tidal flow energy conversion device is measured through test instruments and meters. The testing device has the advantages of small floor space, low requirement on a water supply system, less capital investment and simple and convenient operation, and can safely and quickly measure the performance of the tidal flow energy conversion device.

The invention belongs to a light-concentrating crystalline silicon solar battery component, which comprises a light concentrator, a monocrystalline silicon photovoltaic power generating device, a radiating and cooling device and a solar tracking device. The light-concentrating crystalline silicon solar battery component is characterized in that: a monocrystalline silicon solar battery is mounted on the solar tracking device; the upper part of the monocrystalline silicon solar battery is provided with the light concentrator, and the lower part of the monocrystalline silicon solar battery is provided with the radiating and cooling device. The invention has the advantages that: the light concentrating solar battery concentrates sunlight onto the solar battery by a light concentrating mirror; the conversion efficiency can be improved substantially through increasing the energy-flow density on the battery surface; and the usage amount of a material is reduced.

The invention discloses multi-layer graphene fiber paper and a production method thereof. The production method comprises the steps of firstly, depositing a layer of graphene oxide on non-woven fabric, using a radio frequency magnetron sputtering technology to reduce an oxygen-containing functional group on the surface of the graphene oxide and to block a hydrophilic group on the surface of graphene, and meanwhile, in a radio frequency magnetron sputtering process, forming dense small pits in the surface of the graphene to increase a specific surface area of the graphene; and repeating the last step for multiple times to form multiple layers of graphene so as to finally produce the multi-layer graphene fiber paper with a hydrophobic characteristic. The formed graphene layers have certain spacing, so that an adsorbing three-dimensional storage space is expanded, by producing graphene films for multiple times, the tenacity and the foldability of the films can be improved, and carrying and application are convenient.

The invention discloses a diameter-changing tube type air flow tobacco shred drying device based on groove type light gathering solar energy. Sunlight is gathered to a vacuum metal-glass through pipe through an efficient reflecting collecting lens placed on a groove type heat collector support, heat conduction oil is extracted out of a storing and releasing hot oil tank through a circulating oil pump, a valve leading to a heat collector is opened, the heat conduction oil is conveyed into the vacuum metal-glass through pipe through a thermal insulation oil pipe to be heated to a preset temperature, energy of part of heat conduction oil is stored in a phase change material so as to cope with influence of unstable weather factors, another part of heat conduction oil is directly stored, the oil temperature is measured through a temperature sensor in the storing and releasing hot oil tank, a valve leading to a heat exchanger is opened, and the heat conduction oil enters the liquid-gas heat exchanger through a thermal insulation oil pipe to exchange heat with process gas; after heat exchange, the heat conduction oil is circulated into the storing and releasing hot oil tank, a boiler fan blows the heated process gas into a diameter-changing tube, tobacco shreds are dried, and the well dried tobacco shreds enter a cyclone separator along with air flow to be separated; the tobacco shreds fall into a tobacco shred placing box through the blanking airlock position at the bottom of the cyclone separator, and the process gas leaves the top of the cyclone separator and returns to the boiler fan installed at the low position to be circulated. A groove type light gathering system is adopted to supply energy, the tobacco shreds are dried through the diameter-changing type drying tube, energy can be saved, the environment is protected, the plant height requirements of the drying tube are effectively reduced, drying efficiency can be effectively improved, and the diameter-changing tube type air flow tobacco shred drying device has a wide application prospect in the field of solar energy heat utilization.

The invention discloses an intelligent coal gangue activation device which comprises a box body, an automatic locking device and a controller. A pressure safety valve, a micro air compressor and a microwave generator are arranged on the box body, a microwave uniform distribution and diffusion pipe is arranged in the box body, and the micro air compressor is connected with the microwave uniform distribution and diffusion pipe. The upper side and the lower side of the microwave uniform distribution and diffusion pipe are provided with interval hollowed-out protection plates correspondingly, and the microwave uniform distribution and diffusion pipe and the interval hollowed-out protection plates are parallel to the bottom face of the box body. The microwave generator is connected with spiral wave guide tubes oppositely arranged on two sides in the box body, and is used for forming a rotary microwave field. The automatic locking device comprises an upper gangue gate, a lower gangue gate and a hydraulic oil cylinder, and the upper gangue gate and the lower gangue gate form a hinge connection mechanism with the box body through the hydraulic oil cylinder. The micro air compressor, the microwave generator and the automatic locking device are all connected with the controller. The device can achieve clean, safe and large-scale industrial application.

The invention discloses an infrared radiation air conditioner. The infrared radiation air conditioner comprises an energy storing system, an infrared radiation system and an infrared ray receiving andemitting system; the energy storing system comprises a solar water chiller, an energy storing water pond, a water chiller electromagnetic valve, a water chiller throttling valve, a water chiller pump, a solar heat collector, a water heater electromagnetic valve, a water heater throttling valve and a water heater pump; the infrared radiation system comprises a shielding room of a certain area, a stacked capillary pipe net and an infrared reflector; and the infrared ray receiving and emitting system comprises an infrared antenna receiving array, an infrared antenna emitting array, a signal converting system (a signal receiving optical fiber processor, a signal sending optical fiber processor and a signal amplifying system), and a terminal user. Due to the infrared ray receiving and emittingsystem, earth infrared heat energy large in bandwidth and easy to conduct can be efficiently converted into controllable electromagnetic waves relatively small in bandwidth, energy converting and transmitting is performed through antennae, and the radiation air conditioner in a real sense is achieved.

The invention relates to a secondary combination focusing and energy transfer transmission system for solar high-temperature thermoelectric huge practical energy. According to the technical scheme adopted by the invention, an energy concept mistake that colonists plunder colony ore resources to form and leave serious calculation omissions is pointed out and broken through, a process that solar energy is consumed by fossil energy for one hundred million years during a growth forming process is indicated, the strategic concept of realizing solar energy practicability is stated, a series of non-professional and non-scientific technical biases of certain solar energy utilization facilities which are single, extensive, high-consumption and low-efficiency in the prior art in traditional solar energy utilization are overcome, and the scientific theories, the principles, the laws and instruments in optics are innovatively applied to the formation of the solar high-temperature thermoelectric huge practical energy. An optical element and an optical instrument are creatively applied to perform secondary combination focusing processing on sunlight, so that sunlight energy forms parallel directed energy light crosses, and the parallel directed energy light crosses are remotely conveyed by using a double-layer vacuum silver plating and aluminizing glass pipeline to obtain an unexpected technical effect with significant progresses, so that the intermittence of solar energy application is overcome, and the solar high-temperature thermoelectric huge practical energy becomes an energy product with modern large industrial development service opportunities.

A solar concentrating utilization system comprises a plurality of photovoltaic reflecting plates which are arranged in a specific shape and / or arrangement to form a concentrating device, and each photovoltaic reflecting plate is used for absorbing part of sunlight for photovoltaic power generation and reflecting other sunlight which is not absorbed by the photovoltaic reflecting plate or totally reflecting the sunlight; and a concentrating spectrum utilization device which is arranged at or near the focus of the concentrating device formed by the plurality of photovoltaic reflecting plates andis used for utilizing the sunlight reflected by the photovoltaic reflecting plates. According to the system, the solar spectrum suitable for being used by the photovoltaic cell in the solar spectrumis used by the photovoltaic cell, and the sunlight of the residual solar spectrum is gathered to the concentrated spectrum utilization device, so that the full-spectrum utilization of solar energy isrealized. And the energy ratio of photovoltaics to condensation can be adjusted, optimal matching is carried out according to a utilization method, and the overall utilization efficiency of solar energy is improved.

The invention discloses a double-sided heat collection type composite solar heat absorber. The solar heat absorber comprises a heat absorber body, inner side top heliostats, outer side heliostats, inner side bottom heliostats and an arc-shaped reflector; the arc-shaped reflector is fixedly arranged above the heat absorber body; the inner side top heliostats reflect solar radiation to the arc-shaped reflector, and then the solar radiation is reflected to the top of an inner side cavity of the heat absorber body; the inner side bottom heliostats reflect solar radiation to the bottom of the innerside cavity of the heat absorber body; and the outer side heliostats reflect solar radiation to the outer side of the heat absorber body, the heat absorber body further comprises a bipyramid, the bipyramid is formed by connecting two pyramids in a bottom to bottom manner, and the bipyramid is fixed in the middle of a cavity of the heat absorber; and the surface is uniformly coated with a reflecting coating. According to a heat absorption method of the double-sided heat collection type composite solar heat absorber, the inner surface and the outer surface of the heat absorber are heated simultaneously through the heliostats, the heat absorption amount of the heat absorber under the same volume is increased, the energy flow density is improved, the energy utilization rate is increased, andthe heat absorption effect is enhanced.

The invention belongs to a condensation crystalline silicon solar cell module which comprises a condenser, single-crystalline silicon photovoltaic power generation devices, a radiating and cooling device and a solar tracking device. The condensation crystalline silicon solar cell module is characterized in that single-crystal silicon solar cells are mounted on the solar tracking device, the condenser is arranged above the single-crystal silicon solar cells, and the radiating and cooling device is mounted under the single-crystal silicon solar cells. The condensation crystalline silicon solar cell module has the advantages that sunlight can be gathered on the solar cells, namely condensation solar cells, by a condenser lens; energy flux densities on the surfaces of the cells are increased, so that the conversion efficiency can be greatly improved, and the application amount of materials can be reduced.

The invention relates to a vehicle-mounted wind power generator, especially a vehicle-mounted wind power generator using a lift-type impeller blade, including an inner rotor, an outer rotor or a stator, an impeller, a driving blade, a one-way bearing, etc. , the relative speed with the air, the blade captures the wind energy to drive the inner rotor or the outer rotor to rotate to generate electric energy, which supplies power for the motor vehicle power system. The impeller is connected to the inner rotor, the outer rotor is equipped with drive blades, the impeller blades are lift type, the outer rotor drive blades are resistance type or lift type, and the impeller cover is two large. Small in the middle, the "hyperbolic" shape that can concentrate the wind, the impeller is located at the narrow part of the "hyperbolic" impeller wheel cover, and the generator wheel cover can be set in a "hyperbolic" shape or a "funnel shape".

The invention relates to a light mixing device comprising a first primary color light source, a second primary color light source, a third primary color light source, a first projecting device, a second projecting device and a third projecting device, wherein the first projecting device is used for transmitting first primary color light emitted by the first primary color light source; the second projecting device is used for transmitting the first primary color light emitted by the first primary color light source and reflecting second primary color light emitted by the second primary color light source; and the third projecting device is used for reflecting the first primary color light and the second primary color light and transmitting third primary color light emitted by the third primary color light source, or is used for transmitting the first primary color light and the second primary color light and reflecting the third primary color light emitted by the third primary color light source. The light mixing device has the advantages that the light mixing is uniform, the design is simple, the radiating is excellent, and the like.

The invention discloses a point-to-point wireless power supply coil coupling model and a point-to-point wireless power supply system. The point-to-point wireless power supply coil coupling model comprises a transmitting resonant ring and a receiving resonant ring, wherein the transmitting resonant ring and the receiving resonant ring in the point-to-point wireless power supply coil coupling model are mutually coupled, and the transmitting resonant ring and the receiving resonant ring have the same resonant frequency; namely, the transmitting resonant ring and the receiving resonant ring are in a magnetic resonance state; and due to the transmitting resonant ring and the receiving resonant ring in the magnetic resonance state, the transmission efficiency in the wireless power supply process is improved.

The invention relates to the field of solid waste recycling, in particular to a method and system for producing a high-silicon compound fertilizer by activating coal gangue, and the method comprises the following steps: obtaining coal gangue; the coal gangue is subjected to crushing, screening and dust removal crushing, screening and dust removal, and a coal gangue pile is obtained; activating the coal gangue pile by adopting microwave heating of a rotating microwave field and a rotating wind field, and then preserving heat to obtain activated coal gangue; the activated coal gangue is subjected to cold quenching and then smashed, and coal gangue powder is obtained; adding organic matters and trace element additives into the coal gangue powder, and mixing to obtain a mixture; adding beneficial bacteria into the mixture, and mixing to obtain the high-silicon compound fertilizer. The system comprises a dust removal chamber, a crushing cylinder, a microwave heating activation device, a water spraying cold quenching chamber, a crushing chamber, a first stirring tank, an air drying and cooling chamber, a second stirring tank and a compound fertilizer storage chamber, activation is performed by adopting microwave heating including a rotary microwave field and a rotary wind field, so that the effect of producing the fertilizer by utilizing the coal gangue on a large scale is realized.

The present invention is one solar energy heat phase change tracking device. Under the masking board, there are the first heat collecting phase change device and the second heat collecting phase change device on two sides separately, and heat collecting phase change devices are cylindrical. Each of the heat collecting phase change devices has one end connected to one end of driving cylinder separately, and the driving cylinder is provided with piston and connected link rod mechanism. Inside each heat collecting phase change device, there is phase change liquid material. The solar light collector is connected to the solar energy heat phase change tracking device for tracking sun automatically to raise energy flow density. The present invention is simple and low in cost, needs no electric power, and may be used in sun height elevation tracking and sun azimuth tracking.

The invention discloses a cavity type heat absorber and a heat absorbing and storing system. A cavity type heat absorbing opening is formed in the front wall of a cavity type heat absorber body; a heat absorbing pipe set is arranged on the outer surface of the front wall; the heat absorbing pipe set is located on at least one side of the cavity type heat absorbing opening; solar energy of a mirror field is collected to the cavity type heat absorbing opening, the energy flux density in the cavity type heat absorbing opening is high, the solar energy enters the cavity type heat absorber through the cavity type heat absorbing opening to heat particles, and therefore the function of a particle heat absorber is achieved. However, the energy flux density around the cavity type heat absorbing opening is relatively low, but the requirement for the energy flux density of a heat absorption and storage medium with low heat absorption temperature can still be met, and therefore the heat of the part can be absorbed through the heat absorbing pipe set. Heat absorption and storage media with different heat absorption temperatures are adopted, the media with high heat absorption temperature are matched with SCO2 cycle power generation, and the media with low heat absorption temperature are matched with steam Rankine cycle power generation. The two circulation systems are both located in a temperature interval with high efficiency, and the problem that an existing cavity type heat absorber is low in heat absorption efficiency is solved.

A condensing beam-splitting photovoltaic system mainly comprises a first condenser for condensing incident light into condensed light; a beam-splitting element for splitting the condensed light into transmitted light in a specific waveband and reflected light in other wavebands; a second condenser for condensing the reflected light into concentrated light; a collimating lens for collimating the condensed light generated by the first condenser and the projecting condensed light onto the beam-splitting element; a first photovoltaic cell for converting the concentrated light into photovoltaic energy; a second photovoltaic cell for converting the transmitted light into photovoltaic energy. By virtue of the splitting and condensing effect t of the first condenser, the beam-splitting element andthe second condenser, the photovoltaic cells having different PN junctions disposed at a rear end can obtain the matched solar spectral bands and the appropriate amount of solar radiant energy, suchthat the current output from each PN junction of the photovoltaic cells achieves a uniform output effect, thereby contributing to further improving the photoelectric conversion efficiency of the solarcell.

The invention discloses a solar thermal collector. The solar thermal collector comprises two transparent glass blind tubes which are connected with each other in a sleeving manner in the same direction, opening ends of the internal glass blind tube and the external glass blind tube are welded, a vacuum cavity is formed between the internal glass blind tube and the external glass blind tube, metal tubes are arranged in the internal glass blind tube, a heat transfer medium is arranged in each metal tube, a solar thermal absorbing film is arranged on the outer surface of each metal tube, and a light condensing reflector of which the cross section is in the shape of a concave arc is arranged in the vacuum cavity. The thermal collector is simple in structure, easy to process and good in pressure bearing property; and by the light condensing reflector of which the cross section is in the shape of a concave arc, light energy is used fully, moreover, the energy flux density of outer surface layers of the glass tubes can be increased by the gathered light energy, and the output temperature of condensing ends of the glass tubes is higher than the output temperature of other existing thermal collecting tubes.

The invention particularly relates to an electromagnetic thermal therapy suit and a power source knapsack matched with the electromagnetic thermal therapy suit and belongs to the field of electromagnetic thermal therapy instruments. The electromagnetic thermal therapy suit comprises a clothing body and is characterized in that a therapy interlayer is arranged in the clothing body, and 2n magnetic stripes are fixed in the therapy interlayer and arranged in pairs in a mutually parallel mode. Coils are wound on the magnetic stripes. The winding directions of the coils on the adjacent magnetic stripes are opposite. All the coils are connected with inverters together through wires in series, and power interfaces are arranged in the inverters. According to the electromagnetism theory and experimental proof, when the electromagnetic thermal therapy suit is close to the human body, a coupling circuit is formed. After the coupling circuit is formed, electric currents in the thermal therapy suit are induced to the biological circuit of the human body, so that the purposes that the human body currents are adjusted and intensified, and the biological magnetic field is improved are achieved. The thermal therapy suit also can enable the human body to continuously generate a sense of warmth and a temperature needed for maintaining physical health and is particularly suitable for being used by an outdoor worker in winter, a mountaineering enthusiast, a surfer and other activity persons in the low-temperature environment.

The invention discloses a concentrating flat plate type photovoltaic photothermal integrated composite solar heat collector, which relates to the application field of solar photovoltaic photothermal integration, including a linear Fresnel lens, a photovoltaic module and a cooling module; the photovoltaic module is arranged on The solar radiation energy is converted into electric energy under the linear Fresnel lens; the cooling module is arranged under the photovoltaic module for cooling the photovoltaic module, improving photoelectric conversion efficiency, and utilizing waste heat; The cooling module includes a heat-absorbing plate and a PVC structure below it, the upper surface of the PVC structure is provided with an upwardly opening groove, and the upwardly opening groove forms a flow channel on the upper surface of the PVC structure. The invention solves the connection problem between the flow channel and the heat absorbing plate, improves the comprehensive utilization efficiency of the system, has the advantages of simple structure, low cost, light weight and good cooling effect, and is convenient for manufacture and large-scale production.

The invention discloses a solar multi-effect distillation system. The system comprises a seawater desalination device, a solar heat collection plate and a focus reflector, wherein the seawater desalination device is arranged at the right center of the focus reflector; and the solar heat collection plate is arranged on the top surface of the seawater desalination device. According to the invention, the solar heat collection plate is utilized to preheat seawater, and the focus reflector is utilized to heat the seawater to boil the seawater, so the energy utilization rate of the new system is improved; a plurality of heat exchange covers are arranged in the seawater desalination device to promote the coagulation of the inner wall of the seawater desalination device and the flow film distillation on the outer wall of the seawater desalination device, so a new application of a low-temperature and multi-effect distillation technology in a single device is realized, thereby the system has the advantages of apparatus cost reduction, single machine water output improvement, effective recovery of the waste heat of the hot and concentrated seawater through the adoption of a water supply cycle, and apparatus heat efficiency improvement. The system has the characteristics of high energy utilization rate, large desalinated water output, low apparatus cost and the like, and is especially suitable for low-cost and large-scale production.

The invention discloses a solar frequency-division combined power generation device. The solar frequency-division combined power generation device comprises a semi-transparent perovskite solar cell, a Fresnel lens, a condensation reflection mirror and an inorganic solar cell, wherein electric conduction silica gel is arranged on a lower surface of the semi-transparent perovskite solar cell by vacuum molding to form the Fresnel lens, sunlight is incident from an upper surface of the semi-transparent perovskite solar cell, solar spectrum of 300-800 nanometers is absorbed in the semi-transparent perovskite solar cell, and solar spectrum of 800-2,500 nanometers will be condensed on the inorganic solar cell by the condensation reflection mirror. By the solar frequency-division combined power generation device, the photovoltaic power generation efficiency of the semi-transparent perovskite solar cell is effectively improved, the light spot distribution uniformity is improved by the condensation reflection mirror, the efficiency of the inorganic solar cell is improved, and the inorganic solar cell is prevented from being damaged due to an overheat point.

A solar energy concentration and utilization system. The solar energy concentration and utilization system includes: a plurality of photovoltaic reflection panels, which are formed in a specific shape and / or arrangement to form a concentration device. Each photovoltaic reflection panel is used to absorb part of the sunlight for photovoltaic processing. Generate electricity, while reflecting other sunlight that has not been absorbed by the photovoltaic reflective panels, or completely reflecting sunlight; a concentrating spectrum utilization device is placed at or near the focus of the concentrating device formed by the plurality of photovoltaic reflective panels for utilization The photovoltaic reflective panels reflect sunlight. This system realizes the full spectrum utilization of solar energy by utilizing the solar spectrum suitable for photovoltaic cells in the solar spectrum through photovoltaic cells, and concentrating the remaining solar spectrum to the concentrating spectrum utilization device. And the energy ratio of photovoltaic and concentrated light can be adjusted to optimally match according to the utilization method to improve the overall utilization efficiency of solar energy.

The invention discloses a tracking-free solar concentrating system. The tracking-free solar concentrating system comprises a primary light concentrating unit and a heat concentrating part, wherein the primary light concentrating unit comprises a plurality of transmission light condensers which are sequentially spliced and arranged around the heat concentrating part, light rays penetrate through the transmission light condensers to be focused to form focusing areas, the focusing areas deviate from the passing paths along with the change of the incident angle of the sun to form focal planes, and the focal planes corresponding to the transmission light condensers all pass through the heat concentrating part. Under the irradiation of sunlight at any moment, the focusing area of at least one transmission light condenser always passes through the heat concentrating part. Therefore, under the condition that the heat concentrating part does not move, light rays penetrating through the transmission light condensers can be directly gathered on the heat concentrating part all the time, the energy flow density and the light gathering ratio of light spots focused on the heat concentrating part are greatly improved, the light gathering ratio can meet requirements of solar high-temperature utilization scenes such as solar photo-thermal power generation and the like, and the application range of the tracking-free solar concentrating system is expanded.

The invention discloses a multi-layer graphene fiber paper and a preparation method thereof. In the preparation method, a layer of graphene oxide is first deposited on a non-woven fabric, and oxygen-containing functional groups on the surface of the graphene oxide are reduced by radio frequency magnetron sputtering technology. And block the hydrophilic groups on the surface of graphene, and at the same time form dense small pits on the surface of graphene during the radio frequency magnetron sputtering process, increasing the specific surface area of ​​graphene; through repeated repetitions, multi-layer graphene is formed, Finally, a multi-layer graphene fiber paper with hydrophobic properties is prepared; there is a certain distance between the formed graphene layers, which increases the three-dimensional storage space for adsorption, and the multiple preparation of graphene films can increase the toughness and foldability of the film, which is convenient Carry and apply.

A composite solar heat absorber with double-sided heat collection, comprising: a heat absorber body, an inner top heliostat, an outer heliostat, an inner bottom heliostat and an arc-shaped reflector; the arc-shaped reflector is fixed It is arranged above the heat absorber body; the inner top heliostat reflects the solar radiation to the arc reflector and then reflects to the top of the inner chamber of the heat absorber body; the inner bottom heliostat reflects the solar radiation to the heat absorber body The bottom of the inner chamber; the outer heliostat reflects the solar radiation to the outside of the heat absorber body, and the heat absorber body also includes a double cone, the double cone is a cone with two bottom surfaces connected, and the double cone The body is fixed in the middle of the heat sink chamber; the surface is uniformly coated with a reflective coating. A heat absorption method of a double-sided heat-collecting composite solar heat absorber, which simultaneously heats the inner and outer surfaces of the heat absorber through a heliostat, increases the heat absorption of the heat absorber under the same volume, and improves the energy flow density. The utilization rate of energy is increased and the heat absorption effect is enhanced.