789 results about "Solar heat" patented technology

The invention relates to an intelligent generation method, system and device for a passive design scheme of a green building and a medium. The method comprises the following steps: firstly, collecting site limitation data and climate data, inputting the data into a thermal performance simulation model, and outputting building heat loss and solar heat gain distribution; based on the result, a genetic algorithm is used for optimizing parameters such as the building orientation and the window-wall ratio, and a building design parameter combination is formed through energy consumption calculation, standard judgment and iterative optimization. Then, thermal and economic parameters are extracted from the design parameters to construct a data set, the parameters are screened to generate a building layout optimization instruction, and the layout is adjusted in combination with a dynamic adaptation standard to obtain an optimization scheme. And finally, associating the optimized layout with site parameters, performing energy model optimization to form a low-carbon scheme, and coupling environment adaptability data to generate a sustainable development scheme. By means of the method, the problems that traditional design parameter optimization is low in efficiency and multiple targets are difficult to balance can be solved, layout reasonability and energy consumption control precision are improved, and low carbon of the whole life cycle of the building is assisted.

The invention relates to the technical field of drying, and discloses a solar heat collection tube heating and drying device and a tube row manufacturing method thereof.The solar heat collection tube heating and drying device comprises a first rack, and a first heat collection module is arranged on an inclined mounting platform formed by a first-stage step and a second-stage step of the first rack; a drying cavity defined by first steel plates is installed on the outer wall of the three-stage step of the first rack, and a first partition plate is arranged in the drying cavity. A second partition is arranged on the top surface of the first partition, a third partition is arranged on the side wall of the second partition, and an air delivery pipe is arranged between the third partition and the first partition; an air inlet shutter is mounted on the first steel plate, a fan opposite to the air inlet shutter is mounted on the second partition plate, and an exhaust shutter is mounted on the first steel plate; a supporting beam located above the third partition plate is arranged on the first rack, a footstand is arranged on the supporting beam, and a drying bin used for drying corn is placed on the footstand; according to the device, the solar energy utilization rate is increased through the heat collection structure, heat collection and drying chambers are reasonably partitioned, the airflow circulation path is clear, and stable drying of corn is achieved.

The invention provides a solar energy-ground source heat pump coupled intelligent phase change energy storage heat supply method and system which comprises a solar heat collection unit, a ground source heat pump unit, a phase change energy storage unit, a user side heat exchange unit and an AI intelligent control unit. Wherein the solar heat collection unit and the ground source heat pump unit are connected into the input end of the phase change energy storage unit in parallel through a closed-loop pipeline, and the output end of the solar heat collection unit and the output end of the phase change energy storage unit are both connected with the user side heat exchange unit. The AI intelligent control unit is electrically connected with the solar heat collection unit, the ground source heat pump unit, the phase change energy storage unit and the user side heat exchange unit. According to the system, on the premise that the heat supply quality is guaranteed, solar energy which is clean energy is utilized to the maximum extent, dependence on the ground source heat pump and traditional electric power is reduced, operation cost and carbon emission are reduced, and remarkable energy-saving benefits, economical efficiency and environment-friendly value are achieved.

The invention provides a building external window solar heat gain coefficient detection device and a control method thereof. According to the device, a detection chamber is divided into an outdoor environment simulation chamber and a heat metering box environment chamber through a partition wall. And a test piece frame for arranging a tested piece is arranged on the partition wall body. A heat metering box, a cooling circulation system and a data acquisition device are arranged in the heat metering box environment chamber. The heat metering box is provided with an opening located at the test piece frame so as to receive simulation radiation of the outdoor environment simulation chamber penetrating through the tested piece. The detection work of the solar heat gain coefficient of the external window of the building is not influenced by natural conditions such as weather, and the test efficiency is improved. Furthermore, a channel flat pipe and a constant-temperature water bath device in the cooling circulation system are matched with each other, it is guaranteed that the temperature in the environment chamber of the heat metering box is kept stable, and the stability and accuracy of detection data are improved while the structure of the device is simplified.

The invention discloses a fermentation tank external heating and phase change energy storage cooperative temperature control system and an operation method. The system comprises a fermentation tank, a heat storage water tank, a solar heat collection unit, an intelligent temperature control unit and the like. A phase change energy storage layer and a circulating hot water pipe network are compositely packaged on the outer wall of the fermentation tank, the heat storage water tank and the circulating hot water pipe network as well as the solar heat collection unit and the heat storage water tank respectively form a water circulation loop, and solar energy is utilized to heat the heat storage water tank to store water. The intelligent temperature control unit collects multi-source data of the fermentation tank, the phase change energy storage layer, the heat storage water tank and the hot water pipe network through sensors, regulates and controls hot water flowing of the water circulation loop, and achieves intelligent temperature control of the fermentation tank. Through the synergistic effect of the external circulation pipeline and the phase change energy storage layer, precise temperature control of the whole-domain temperature difference of the fermentation tank is achieved, the latent heat characteristic of the phase change material can effectively compensate the thermal hysteresis problem of a traditional heating mode, it is ensured that the activity of methane bacteria is stable, and the temperature uniformity in the fermentation tank is improved.

The invention relates to a multi-energy fusion membrane type humidification / dehumidification solar seawater desalination-water electrolysis integrated hydrogen production system and method, and the system comprises a first solar heat medium flow path, a second solar heat medium flow path, and a first heat exchange medium circulates through a solar heat collector, a liquid storage tank and a first heat exchanger, and is used for heating seawater; according to the second seawater treatment flow path, seawater is converted into hot and humid air through heating and a membrane humidification device, and then the hot and humid air is condensed into pure water through a condenser; pure water is supplemented into the electrolyte tank, the electrolyte circulates, and the power supply module drives the electrolytic hydrogen production device to produce hydrogen. In addition, the system can be additionally provided with a heater and a second heat exchanger to improve the temperature of the electrolyte, finally deep coupling of desalination and hydrogen production is achieved, energy efficiency is improved, and cost is reduced.

The invention relates to the field of solar heating, in particular to a solar heat exchange device which comprises a shell and a bottom plate, the shell and the bottom plate form a closed cavity, a heat absorption layer is arranged on the outer surface of the shell, a heat conduction pipe and a phase change energy storage material are arranged in the cavity, and the inlet end and the outlet end of the heat conduction pipe extend out of the side wall of the shell. The phase change energy storage material is arranged around the heat conduction pipe and fills the cavity, a thermal expansion layer is arranged on the inner surface of the bottom plate, and the thermal expansion layer is arranged at the bottom of the cavity. In the invention, the thermal expansion layer is located below the phase change energy storage material. When the temperature rises, the volume of the thermal expansion layer is increased and pushes the phase change material upwards, so that the liquid level of the phase change material is raised, and the phase change material can be in close contact with the top heat absorption layer continuously even in a liquid state. The problems of gaps and thermal resistance caused by volume shrinkage of the phase change material are effectively avoided, it is guaranteed that heat can be efficiently transmitted to the energy storage medium, and therefore the heat transfer efficiency of the solar heat exchange device is remarkably improved.

The invention provides an intelligent energy efficiency management method and system for a solar photo-thermal-photovoltaic-heat pump coupling system. The method comprises the steps that coupling energy state vectors including photovoltaic power generation real-time output power, the hot air temperature of an air duct outlet of a solar heat collector, the operation frequency of a heat pump compressor and the water temperature of the middle of a heat storage water tank are constructed; dynamically calculating a continuous discriminant quantity and a discrete risk sign based on the vector so as to evaluate the supply and demand trend and the energy efficiency risk of the system; generating a multi-path combined control strategy covering an electric side link, a photo-thermal link, a heat pump link and a heat storage link, and performing effective filtering on a control command in combination with an equipment state inspection result; and finally, executing instructions are issued in stages according to path priorities, so that closed-loop energy efficiency adjustment is realized. According to the invention, the cooperation efficiency and the operation safety of the multi-energy coupling system are improved.

The invention belongs to the technical field of seawater desalination, and particularly relates to a seawater desalination energy recovery device and method. A gas conveying pipe and a water conveying pipe are arranged in the condenser; the air delivery pipe is located outside the water delivery pipe and wraps the water delivery pipe. One end of the gas conveying pipe is communicated with a gas outlet of the solar heat collector; the bottom of the gas conveying pipe is communicated with a group of water collecting pipes; a water inlet head and a water outlet head are respectively arranged at two ends of the water pipe; seawater in the solar heat collector is heated and evaporated through the vacuum heat collecting pipe, formed water vapor enters the air conveying pipe of the condenser through the air outlet and then flows along the interior of the air conveying pipe, and original seawater enters the water conveying pipe through the water inlet head and flows along the interior of the water conveying pipe; steam and seawater reversely flow along the interior of the simulated intestinal tract type pipeline and are separated from each other, heat exchange is continuously carried out between the steam and the seawater through the side wall of the water conveying pipe, and the condensation, heating and energy recovery efficiency is improved.

The invention relates to the field of abandoned oil well transformation application, in particular to a device and method for conducting solar phase change energy storage through an abandoned oil well. According to the technical scheme, a water inlet of a heat storage water tank is connected to a water outlet of a first water pump through a pipeline and a first three-way valve, and a first water pump pipeline is connected with a high-temperature water outlet of a solar heat collection system; a water return port of the solar heat collection system is connected to a user water return pipeline at the heat storage water tank through a second three-way valve; the waste oil well adopted by the invention not only utilizes the geothermal energy of the waste oil well, but also serves as an energy storage container of solar energy, and the heat exchange device adopts a layered variable-pitch spiral tube heat exchanger to adapt to the change of ground temperature and water temperature at different depths; the phase change materials filled in the waste oil well are distributed in a multi-melting-point gradient mode according to changes of ground temperature and water temperature, the problem of large-scale long-time efficient energy storage of solar energy can be solved, the effect of supplementing stratum heat is achieved, and the heat exchange efficiency of the waste oil well serving as an energy storage well can be improved.

The invention discloses a photovoltaic photo-thermal hydrogen production and energy storage system based on nanofluid and a phase change material, and relates to the technical field of photovoltaic photo-thermal hydrogen production and energy storage, the system comprises a photovoltaic photo-thermal assembly, a water tank, a solar heat collector and a PEM electrolytic bath; the photovoltaic photo-thermal assembly comprises a photovoltaic cell, a first thermoelectric generator, a nanofluid channel and a composite phase change material which are arranged from top to bottom. The solar heat collector comprises a second thermoelectric generator, a water fluid channel and a composite phase change material which are arranged from top to bottom; mixed nanofluid in the nanofluid channel enters a heat exchange coil in the water tank for heat exchange; water in the water tank firstly enters a water fluid channel of the solar heat collector to be preheated and then enters the PEM electrolytic bath; the mixed nanofluid is composed of BN, MWCNT nanoparticles and pure water; the composite phase change material is composed of BN, MWCNT nanoparticles and paraffin. Efficient output of heat energy, electric energy and hydrogen energy can be achieved.

An apparatus for thermal ablation testing is provided. The apparatus comprises: a chamber; an optically transparent window in the chamber; a sample holder inside the chamber; a test sample in the sample holder; a number of bare-wire thermocouples connected to the test sample, wherein the thermocouples generate temperature data in the form of voltage; a mass balance inside the chamber, wherein the mass balance is configured to hold the sample holder and dynamically detect changes in mass of the test sample; an external radiant heat source configured to heat the test sample through the window; and a pyrometer directed at the test sample.

The invention relates to the technical field of multi-energy complementation, in particular to a cross-seasonal heat storage mid-deep geothermal energy and solar energy coupling energy supply regulation and control system which comprises a power supply mechanism for supplying power to operation of the system. The heat source mechanism comprises a geothermal assembly and a solar heat supply assembly and can supply heat independently or in a coupled mode. The heat exchange mechanism comprises a heat conduction assembly and a heat pump assembly which communicate with each other, and heat exchange is conducted between heat and a user side with the heat requirement. The heat storage mechanism comprises a first heat storage assembly, and the first heat storage assembly communicates with the heat pump assembly and is used for storing heat of the heat pump assembly; the water supplementing mechanism communicates with the heat conduction assembly and the user side for water supplementing. Through innovative system integration and intelligent control strategies, a full-year tail water heat supplementing mechanism is established, efficient, stable and environment-friendly utilization of energy is achieved, and the system is particularly suitable for regional heating, refrigeration and energy complementation application scenes and has remarkable application and popularization value.

The invention discloses a conducting wire state evaluation method and device based on current-carrying capacity, terminal equipment and a storage medium, and belongs to the field of conducting wires, and the method comprises the steps: determining the conducting wire radiation heat dissipation power, conducting wire convection heat dissipation power and conducting wire sunlight heat absorption power of a target conducting wire according to an environment parameter, a physical attribute parameter and a real-time operation parameter; calculating the theoretical current-carrying capacity of the target wire according to the nominal alternating-current resistance value in the physical attribute parameters, the calculated convection heat dissipation power of the wire, the calculated radiation heat dissipation power of the wire and the calculated sunlight heat absorption power of the wire; and according to the theoretical current-carrying capacity, the load current, the wire convection heat dissipation power, the wire radiation heat dissipation power and the wire sunlight heat absorption power, calibrating the nominal alternating current resistance value to obtain a calibrated alternating current resistance value, and calculating the calibrated current-carrying capacity so as to evaluate the operation state of the target wire. According to the invention, the problem of inaccurate lead state evaluation in the prior art can be solved.

The application provides a solar double-phase-change cascade heat storage system under an oilfield continuous heat load scene, and relates to the technical field of solar heat storage. The system comprises a heat collection, double-phase-change cascade heat storage, heat supply and flow control subsystem. The double-phase-change cascade heat storage subsystem is provided with first and second phase-change heat storage tanks with different phase-change temperatures in parallel. The flow control subsystem switches the fluid path based on the dynamic comparison criterion of the heat collection and heat storage temperatures, and directs the solar energy into the double tanks for cascade latent heat storage according to the heat energy grade. The heat supply subsystem guides the cold crude oil to sequentially absorb the heat released by the double tanks to perform cascade heating. The application overcomes the defect of low fluctuating solar energy capture rate of the traditional single-phase-change system, greatly reduces the irreversible exergy loss of heat transfer through cascade heat storage and release, improves the comprehensive utilization rate of full-band solar energy, and realizes efficient and low-carbon heat supply for oilfields.

The utility model provides a cold, warm and hot water triple-generation system of a two-stage compression ground source heat pump. The cold, warm and hot water triple-generation system comprises a compressor, an intermediate heat exchanger, a buried heat exchanger, a plurality of other heat exchangers, a valve assembly and a solar heat collection assembly. The compressor comprises a low-pressure compressor and a high-pressure compressor; an outlet of the low-pressure compressor is connected with an inlet of the high-pressure The intermediate heat exchanger comprises a first intermediate heat exchanger and a second intermediate heat exchanger; other heat exchangers comprise an outdoor heat exchanger and an indoor heat exchanger; the first intermediate heat exchanger is connected with a low-pressure compressor outlet, the outdoor heat exchanger and the second intermediate heat exchanger. The second intermediate heat exchanger is connected with the indoor heat exchanger; the valve assembly comprises a three-way valve and a four-way valve. The ground source heat pump system solves the problems that an existing ground source heat pump system is single in function and low in working efficiency.

A solar heat pump coupled multi-stage humidification and dehumidification water treatment system and a working method thereof, the system comprising a water treatment circulating subsystem, a solar hot water circulating subsystem and a compression heat pump circulating subsystem; the working method is that raw liquid is heated by solar prepared hot water and a compression heat pump condenser, sequentially enters two-stage humidifiers to exchange heat and mass with air, preheats air and discharges; circulating air sequentially undergoes two humidifications in the two-stage humidifiers, is gradually cooled and dehumidified in a pre-cooler, a dehumidifier and a heat pump evaporator, is preheated by the discharged raw liquid and then undergoes the next cycle, and condensed water obtained by condensing steam in the air is collected into a fresh water tank after heat exchange in a heat pump subcooler. The present application uses the hot raw liquid after one-stage humidification to complete two-stage humidification, uses a pre-cooler, high flow raw liquid and a heat pump evaporator to complete multi-stage dehumidification, and uses the solar hot water system to simultaneously introduce the heat pump system, thereby realizing all-weather fresh water supply demand.

To reduce power consumption when lifting a weight to an elevated position in a gravity energy storage system.SOLUTION: A gravity energy storage system 101 lifts a weight 10 from a low position to a high position during energy storage by winding a wire 12 connected to the weight 10 using a rotary machine 20. During power generation, it lowers the weight 10 from the high position to the low position, inputting rotation to the rotary machine 20, thereby operating the rotary machine 20 as a generator. A platform 30 for placing the weight 10 is provided at the low position. A lift device 32 equipped on the platform 30 operates at the timing when the rotary machine 20 begins winding the wire 12 during the energy storage, lifting the platform 30 using force from the pressure of the operating gas. The pressure of the operating gas increases by vaporizing the operating gas liquid through heat exchange with hot water generated from solar heat.SELECTED DRAWING: Figure 1

The invention discloses paint baking equipment and technology for high-temperature paint of a nickel-based tube panel of a solar heat absorber, and aims at solving the problems that in the paint baking process of high-temperature paint of a tube panel of an existing solar heat absorber, the equipment universality is poor, and a paint film is prone to being damaged due to unreasonable technological parameters. The equipment is high in flexibility, the sectional design can adapt to tube panels of different sizes, and the equipment investment cost is reduced; the process stability is high: through the pre-baking step and the baking temperature adjustment, the paint film explosion is avoided, and the adhesive force is improved by more than 30%; the solar energy absorption rate stably reaches 95%, and the thermal shock resistance of the tube panel can meet more than 1000 times of cycle tests.

The application discloses a kind of proton exchange membrane electrolytic water hydrogen production systems based on solar power generation, solar heat collecting device is electrically connected with anode gas reaction layer and cathode gas reaction layer respectively;The input of first water vapor separation device is connected with the water outlet pipe of anode gas reaction layer, the input of second water vapor separation device is connected with the water outlet pipe of cathode gas reaction layer, and the water outlet of first water vapor separation device and second water vapor separation device is connected with the water inlet of solar heat collecting device;A plurality of grooves are arranged in each U-shaped flow channel, a plurality of first hollow ribs are arranged between adjacent U-shaped flow channels, and a plurality of second hollow ribs are arranged in each U-shaped flow channel.The application changes the distribution and flow state of electrolytic water, realizes the uniform distribution of electrolytic water and reaction gas in the flow channel, and improves the efficiency and stability of electrolytic reaction.

The invention discloses an aerogel heat absorbing body coating applied to a solar heat collector. The heat absorbing body coating is of a multi-layer composite structure and sequentially comprises a core heat absorbing layer and a packaging protection layer from inside to outside. The core heat absorption layer is a composite coating formed by dispersing titanium nitride nanoparticles in a silicon dioxide aerogel matrix. Sunlight absorption is enhanced through the titanium nitride nanoparticles, the thermal emissivity is reduced through the aerogel matrix, and the photothermal conversion efficiency is remarkably improved; and the aluminum oxide packaging layer effectively blocks water and oxygen erosion, so that the coating is stable in performance and excellent in aging resistance in a high-temperature and high-humidity environment, and the service life is remarkably prolonged.

The utility model provides a solar heat collection device, and belongs to the technical field of heat collection devices. A solar heat collection device comprises a frame body, a solar heat collection device and a solar heat collection device, the copper pipe is fixedly connected to the support, and the two ends of the copper pipe extend out of the frame body; the heat insulation cotton is fixed in the frame body, a containing groove matched with the copper pipe is formed in the heat insulation cotton, and the containing groove penetrates through the heat insulation cotton so that the two sides of the heat insulation cotton can make contact with the copper pipe; the two heat absorption plates are fixed to the two sides of the heat insulation cotton respectively and make contact with the copper pipe; and the two transparent cover plates are fixed on the frame body, and the two transparent cover plates are respectively distributed on the outer sides of the two heat absorbing plates.

The application discloses a solar photovoltaic heat composite driving high-efficiency energy-saving heat pump system, and belongs to the technical field of renewable energy utilization and heating ventilation air conditioning. The system comprises a photovoltaic-photothermal integrated heat collecting unit, a composite heat pump circulating unit, a multi-mode energy deployment unit, a direct-current direct-drive compressor unit, a cascade heat storage and energy storage unit, a grid-connected / off-grid switching unit, a user-side multi-working-condition terminal unit, an intelligent collaborative control unit, a night / rainy weather working condition energy supplement unit and an energy efficiency amplification optimization unit. The photovoltaic-photothermal integrated heat collecting unit simultaneously outputs direct-current electricity and low-temperature heat energy, effectively solves the problems of low operation efficiency and poor stability of the existing solar heat pump system in rainy weather and at night, simultaneously realizes multi-working-condition operation of refrigeration, heating, domestic hot water supply and grid-connected power generation, greatly improves the utilization efficiency of solar energy and the operation flexibility of the system, and has remarkable energy-saving effect and wide application prospect.

The application discloses a supercritical CO2 photo-thermal power generation and liquid compression energy storage system and an operation method thereof. The system realizes comprehensive energy storage by combining liquid compression CO2 mixture energy storage and supercritical CO2 mixture photo-thermal power generation through a core low-temperature molten salt storage tank, a solar heat absorber, a high-temperature molten salt storage tank, a molten salt heat exchanger, a high-temperature mixture storage tank, a turbine, a regenerator, a condenser, a low-temperature liquid mixture storage tank, an evaporator and a compressor. The system not only solves the defect that a traditional compressed air energy storage system needs a large storage space, but also avoids the technical difficulty that a new generation of liquefied compressed air energy storage system needs low-temperature cooling.

The utility model discloses pipeline anti-freezing central water purification equipment with a solar heat tracing band, which comprises an equipment main body, and a water inlet, a raw water tank, a pretreatment system, a membrane filtration system, a water purification tank, a water supply pipe network and a water outlet are arranged in the equipment main body. The water supply pipe network is composed of a water supply pipeline, a temperature sensor and a pipeline heat preservation device. A heat tracing band and a power supply system are arranged in the pipeline heat preservation device, and the power supply system is composed of a solar cell panel, a photovoltaic controller, a storage battery, an AC / DC converter, a mains supply and an inverter. Solar energy can be preferentially used for supplying power to the heat tracing band in the pipeline heat preservation device, meanwhile, the mains supply is adopted as an emergency power supply, and when solar energy is insufficient, the mains supply is switched to supply power to the heat tracing band. The system not only reduces the electric power cost, but also realizes the utilization of clean energy, promotes the development of the energy-saving and environment-friendly cause in China, and promotes the construction of a resource-saving and environment-friendly society.

The utility model relates to the technical field of solar heat exchangers, and discloses a novel automatic pipe penetrating device for solar heat exchanger production, which comprises a movable bottom plate, the top of the movable bottom plate is fixedly connected with a movable handrail, the inside of the movable bottom plate is connected with a distance adjusting screw rod, and the bottom of the distance adjusting screw rod is fixedly connected with a protective bottom plate; the top of the movable bottom plate is fixedly connected with a supporting vertical plate. When the rotary limiting screw rod is taken out from the interiors of the supporting vertical plate and the limiting bracket, the rotary shaft is rotated to adjust the rotation angle in the supporting vertical plate, so that the air cylinder and the mounting sleeve can adjust the product at different angles when the product is mounted, and when the rotary shaft and the limiting plate are adjusted to proper positions, the rotary shaft and the mounting sleeve are rotated to adjust the rotation angle. And after the rotating limiting screw rod extends into the limiting plate and the supporting vertical plate, the rotating shaft and the limiting plate which are rotated are conveniently limited and fixed, and the stability when the air cylinder and the mounting sleeve are used for mounting the materials is guaranteed.

A carbon dioxide separation and recovery system having: a heat storage unit for storing solar heat and providing heat; a carbon dioxide absorption liquid circulation and regeneration mechanism that uses the heat provided by the heat storage unit to heat an absorption liquid, which absorbs carbon dioxide contained in a gas, causes the absorption liquid to be heated and regenerated, while releasing the carbon dioxide to be separated and recovered, and then causes carbon dioxide contained in the gas to be absorbed again; and a carbon dioxide gas separation and recovery function.

The present application relates to the technical field of heat pump, and provides a control method and device of a solar heat pump unit and the solar heat pump unit, the solar heat pump unit comprises a water tank, a heat pump module and a solar module for supplying heat to the water tank, the control method of the solar heat pump unit comprises: obtaining a setting mode of the solar heat pump unit; controlling the heat pump module and / or the solar module to start operation according to the setting mode of the solar heat pump unit; wherein the solar heat pump unit has multiple setting modes, and in the multiple setting modes, the degree of user's demand for hot water in the water tank is different. The present application combines the heat pump and the solar energy as a heat source, has multiple operating modes, can achieve the purpose of saving electricity, and can match the corresponding operating mode according to the setting demand of the user, has a wide range of applications, thereby effectively improving the user experience.

The utility model discloses a medium-temperature solar heat collection plate core and a medium-temperature heat collector. The plate core comprises a medium header pipe, a heat collecting wing plate is arranged on the side portion of the medium header pipe, heat collecting blue films are arranged on the upper surfaces of the medium header pipe and the heat collecting wing plate, flow dividing holes are formed in the inlet end and the outlet end of the medium header pipe, a flow dividing cavity in the pipe direction is formed in the heat collecting wing plate, and the flow dividing holes in the two ends communicate with the two ends of the flow dividing cavity correspondingly. The medium header pipe is internally provided with a flow blocking structure which is backward relative to the flow dividing holes in the inlet end in the flow direction. The heat collector further comprises the medium-temperature solar heat collection plate core. The solar heat collector has the beneficial effects that medium fluid in the medium header pipe is shunted into the shunting cavity, and a medium in the shunting cavity is in direct contact with the heat collection wing plate, so that the contact area of the medium and the heat collection wing plate is increased; the machining and manufacturing mode is optimized, and the overall manufacturing cost is reduced; the medium header pipe and the heat collection wing plates are coated with heat collection blue films, and the solar photo-thermal conversion efficiency can be effectively improved.

The present application relates to the field of renewable energy hydrogen production, and more particularly to solar-assisted organic waste gasification and reforming hydrogen production. The system comprises a tower heat absorption device, a molten salt energy storage device, a gasifier, a catalytic reforming device, and a CO2 reaction reducer. The molten salt is heated and stored by solar heat collection, the high-temperature molten salt is used for indirect heat exchange of CO2 reduction and catalytic reforming process, the gasification process is directly heated and driven by the molten salt as a reaction medium, and the molten salt as a reaction medium has a catalytic effect to effectively inhibit the generation of tar. The system breaks through the gas production model relying on electricity, matches the tower type light absorption based on the characteristics of the molten salt, and avoids the efficiency loss caused by single medium or cross-temperature zone heat collection. Not only the energy consumption is reduced, but also a stable technical closed loop of organic waste hydrogen production under multi-level energy gradient is constructed. At the same time, the generated CO2 is introduced into the CO2 reduction reactor to complete the reduction reaction and complete the carbon cycle.