45results about "Heat-exchange conduit materials" patented technology

A solar collector for heating and transferring fluids, having an inlet manifold and an outlet manifold through which fluid is respectively transferred into and out of the solar collector; and a plurality of polymer tubes each connected between the inlet and outlet manifolds, the polymer tubes having co-extruded concentric inner and outer tube layers, wherein the outer tube layer is composed of a harder polymer than the inner tube layer.

A system includes a solar energy receiving device and at least one component in thermal communication with the solar energy receiving device, the at least one component formed from a composite material, the composite material may comprise a matrix of carbon-based fibers, the carbon-based fibers comprising one or more of: mesophase carbon, carbon nanotubes, graphite, graphene and pan carbon. There also could be provided a solar energy receiving device comprising a first surface for receiving solar energy incident thereon, and a second opposing surface, the second surface being electrically conductive; at least one heat transport device in direct contact with at least a portion of the second surface, the at least one heat transport device may comprise at least one internal passage and at least one duct; and a heat transport media flowing within the at least one internal passage and at least one duct.

A plate form solar collector includes a light penetration cover plate, a collecting plate, a heat conduction fluid channel, heat insulating materials and a bottom plate stacked in turn, wherein the heat conduction fluid channel is a pipe fitting composed of an inner layer made of copper materials and aluminum materials. The use of the copper and aluminum composited tube greatly reduces the consumption of the copper materials, reduces the production cost. When the heat conduction fluid channel is welded at the bottom of the collecting plate, the copper aluminium weld is changed into the aluminium-aluminium weld, which reduces the welding difficulty and greatly reduces the investment cost of the welding device, and the aluminium-aluminium weld makes full use of the advantage of high thermal diffusivity of the aluminium metal, advances the conversion efficiency of the collecting plate solar. The collecting plate and the fluid channel are both made of aluminium with fast heat abstraction, wherein the inner layer is the copper material with high thermal conversion efficiency.

The invention relates to a trough type solar all-day heat supply system using dust particles as an energy storage material. According to the technical scheme, a plurality of sets of heat conduction metal are longitudinally arranged in an energy storage tank, a heating heat exchange pipe makes contact with the heat conduction metal, a heat release heat exchange pipe makes contact with the heat conduction metal, and an inner cavity of a dust particle energy storage tank is filled with dust particles; a groove type solar heat collection field heats heat conduction oil and is connected with the dust particle energy storage tank through a heat conduction oil pipe, and the dust particles are heated through the heating heat exchange pipe; and the outer end of the heat release heat exchange pipe is connected with a heat exchanger through the heat conduction oil pipe, heat is released to the heat release heat exchange pipe through the dust particles, and oil well external liquid conveying of the heat exchanger is heated. The trough type solar all-day heat supply system using the dust particles as the energy storage material has the beneficial effects that the dust particles are used as theenergy storage material, the cost of the energy storage material is greatly reduced, the problem of high manufacturing cost of a worldwide heat energy storage system is solved, and the comprehensive manufacturing cost of the energy storage system is 1 / 3-1 / 4 of the manufacturing cost of molten salt energy storage, so that full-time heating application of liquid conveying outside an oil field and anoil well can be achieved.

A solar heat collection system for heating water, the system comprising in one embodiment a plurality of lengths of water conduit pipe inside lengths of water conduit jacket pipe and spaced apart therefrom, with an insulating medium contained between the pipe and jacket pipe. The lengths of water conduit pipe are fluidly connected together to provide a circulation system for the water such that solar heat energy may be provided to a heat load. A variety of connection methods for connecting the lengths of piping are provided and the lengths of piping may be flexible for a variety of solar heat system installations.

The invention provides an energy storing battery and an energy storing system and relates to the technical field of energy storing devices. The energy storing battery comprises an energy storing battery body, a heat exchanging pipe and an energy storing work medium; the heat exchanging pipe and the energy storing work medium are both arranged in the energy storing battery body; and the heat exchanging pipe is used for being communicated with a connection pipeline of a solar heat collecting plate. The solar heat collecting plate converts absorbed solar radiation energy into heat energy which istransmitted to the heat exchanging pipe, and the heat exchanging pipe then transmits the heat to the energy storing work medium to be stored. Under the condition of a sunny day, the solar heat collecting plate continuously absorbs radiation and converts the radiation into the heat energy, and the energy storing work medium continuously absorbs heat and transmits part of the heat into a heating device; and at night or in a rainy day, the energy storing work medium transmits the stored heat into the heating device so that the effect of making the energy storage battery perform continuous heating can be achieved. We can know that from the above, because the energy storing work medium can store the energy absorbed at daytime, under the condition of night or a rainy day, the energy is releasedto the heating device, and therefore heat can be continuously supplied, and heating is continuously performed.

Described herein is a solar-energy converter device (1; 100; 200; 300; 400) comprising a shell (2; 102; 202; 302; 402) and a core (4; 104; 204; 304; 404), inside said shell (2; 102; 202; 302; 402), wherein said shell (2; 102; 202; 302; 402) and said core (4; 104; 204; 304; 404) develop axially along a longitudinal axis (X) and comprise a volume therebetween, said core (4; 104; 204; 304; 404) including a thermally conductive matrix (41; 141; 241; 341; 441) in thermal exchange relationship with said volume, said matrix housing one or more flow conduits (42; 142; 242; 342; 442) for a working fluid, said one or more flow conduits (42; 142; 242; 342; 442) being in thermal exchange relationship with said matrix (41; 141; 241; 341; 441). Moreover described herein is a corresponding solar reactor(500) and a corresponding plant (600).

The invention discloses a metal heat-absorbing plate material for a solar heat collecting tube, which comprises the following components by weight: 40 parts by weight of polyurethane resin, 20 parts by weight of acrylic resin, 5 parts by weight of silicon dioxide, 2-bromine-2 ‑(2‑fluorophenyl)‑1‑cyclopropyl ethyl ketone 1‑5 parts by weight, indium tin oxide 2‑6 parts by weight, antimony tin oxide 1‑5 parts by weight, vanadium oxide 3‑7 parts by weight, modified 2-6 parts by weight of casein, 1-5 parts by weight of sodium ammonium nitrate sodium acetate, 5-9 parts by weight of sodium sulfate decahydrate, 1-5 parts by weight of chlorinated paraffin, 3-7 parts by weight of butyl acetate, 2-6 parts by weight of color paste Parts by weight, 1-5 parts by weight of cyclohexanone, 1-10 parts by weight of ethylene glycol, 0.5-2.5 parts by weight of molybdenum, 0.4-0.8 parts by weight of nickel, and 5-9 parts by weight of adhesive. The invention has the advantages of spectral selectivity, high visible light absorption rate and low emissivity, high thermal efficiency, good light transmission, strong adhesion, good weather resistance of the coating, high hardness, high temperature resistance, etc., ensuring High thermoelectric conversion efficiency and high use intensity.

An improved modular, removable system of building-integrated solar panel photovoltaics for easy residential and commercial roof installation for generating electrical and thermal energy.

The invention discloses a treetop-shaped isothermal-structure solar heat absorber. The heat absorber comprises a plurality of coils which are stacked up and down. The coils are circular. The coils aretightly attached layer by layer, and the radiuses of the coils are gradually decreased from bottom to top so as to form a semi-oval-shaped heat absorbing portion. A branch pipe communicating with thecoils is arranged at one ends of the coils. A header communicating with the coils is arranged at the other ends of the coils. A working medium outlet is formed in the lower end of the header. A working medium inlet is formed in the lower end of the branch pipe. According to the isothermal-structure solar heat absorber, the heterogeneity of density distribution of concentrated solar energy flow and the working medium endothermic temperature rising characteristic are comprehensively considered, the bionic principle that trees efficiently utilize sunlight is used for reference, the treetop-shaped isothermal-structure solar heat absorber is provided, the fact that the endothermic working medium flow rates in the coils are gradually increased from bottom to top of the heat absorber is matchedwith the characteristic value that the concentrated solar energy flow density is gradually decreased from top to bottom in the generatrix direction of the heat absorber, it is guaranteed that the heatabsorber coils are uniform in temperature, and the heat efficiency is high; and each coil is relatively independent, the coil high-temperature heat stress is small, operational reliability is high, and the service life is long.

The invention discloses an indirect type solar water heating system which comprises a water tank, a support, a flat plate type solar heat collector fixed to the support, a water inlet pipeline and a water outlet pipeline and further comprises a copper heat pipe, a closed inner container is arranged in a shell of the water tank, and a row of upper inserting holes are formed in the upper portion of the inner container. The lower portion of the inner container is provided with a row of lower inserting holes coaxial with the upper inserting holes, the flat plate type solar heat collector comprises a shell, a glass cover plate, a heat absorption body and a heat insulation body arranged between the heat absorption body and the shell, and the heat absorption body comprises an upper collecting pipe, a lower collecting pipe, a calandria and a heat absorption plate. The upper collecting pipe is provided with a plurality of sleeves which vertically penetrate through the upper collecting pipe and correspond to the lower inserting holes, the evaporation sections of the copper heat pipes are inserted into the sleeves, the condensation sections of the copper heat pipes penetrate through the lower inserting holes and the upper inserting holes and extend out of the inner container, and the indirect type solar water heating system is compact in structure, resistant to freezing and impact, comfortable in bathing and good in application prospect.

The invention discloses a plate and tube type phase-change solar water heater. The plate and tube type phase-change solar water heater comprises a heat absorbing plate framework, and further comprisesa water supply pipeline, wherein a heat absorbing plate is arranged on the heat absorbing plate framework; a heat conduction pipeline is arranged on the back surface of the heat absorbing plate; a back plate is further arranged on the heat absorbing plate framework; the heat absorbing plate framework, the heat absorbing plate and the back plate define a sealed space; an inner feed box is arrangedin the space; a thermal-insulation material is filled outside the inner feed box; the heat conduction pipeline is a circulating tube, and passes through the inner feed box; an inlet and an outlet ofthe water supply pipeline are formed in the heat absorbing plate framework, the middle section of the water supply pipeline passes though the inner feed box; the inlet is connected with cold water, and the outlet is connected with domestic water. The inner feed box absorbs solar energy in daytime, and storages energy; while hot water is needed, cold water is heated up by the inner feed box, and hot water is output, so that the water heater is suitable for rainy days after a high temperature; and after the inner feed box is heated up, environmental influences at a relatively low temperature onrainy days outside are small, and heat loss is slow, so that the water supply pipeline still can be heated in cloudy and rainy weather.

A solar power tower solar receiver absorber including: an enclosure; at least one panel configured to be illuminated by solar flux; a core made of at least one material with heat conductivity at least partially encompassed by the enclosure; and a plurality of tubes passing through the core and extending substantially in a parallel direction with respect to the panel configured to be illuminated. The tube is configured for circulation of a fluid to be heated, for example a gas for operating a gas turbine.

The invention provides a flat plate solar panel core with an efficient heat collection function and a preparation method thereof, and relates to the technical field of solar energy utilization. The flat plate solar panel core comprises a heat collection plate and a heat conduction pipe; the heat conduction pipe is welded with an aluminum strip, the aluminum strip is provided with a groove matchedwith the heat conduction pipe, and the groove enables the heat conduction pipe to be embedded in the aluminum strip, and the heat conduction pipe is welded to the back face of the heat collection plate through the aluminum strip. The flat plate solar panel core with an efficient heat collection function and the preparation method thereof have the advantages that the groove is adopted, so that theheat transfer area is maximized, the heat transfer efficiency is greatly improved; the heat conduction pipe is welded to the aluminum strip through ultrasonic waves so that the connection between theheat conduction pipe and the aluminum strip is firm, and the situation of descending of the heat transfer efficiency can be prevented; the aluminum strip is adopted to be welded to the back face of the heat collection plate, thereby improving the heat collection efficiency of the heat collection plate, and making the appearance of the heat collection plate attractive; therefore, the connection ofthe solar panel core is firm, the heat transfer efficiency is high, the cost is lower, and the appearance quality of the surface of the heat collection plate is not affected.