59results about How to "High collector temperature" patented technology

The solar water heater is composed of solar energy heat collection device, multifunctional water storage installation, water circulated connecting insulated pipefittings, thermosiphon convective dual cycle plant, unit for feeding and catching water, and air inlet and exhaust unit. Thermosiphon convective dual cycle plant is composed of feed liquid pipe and drainpipe, liquid return pipe, liquid supply pipe, float type discharge pipe, and supply pipe of bottom liquid on throttle three way valve. Through pipes, thermosiphon convective dual cycle plant is installed between multifunctional water storage and solar energy heat collection device. Attaching unit for increasing function of multifunctional thermosiphon convective dual cycle solar water heater is installed on water circulated connecting insulated pipefitting.

The invention relates to a device using solar energy to generate power, in particular to a solar hot gas flow generating device which uses solar energy to enable gas to flow. The solar hot gas flow generating device comprises a heat collecting shed, a flow guiding chimney communicated with the heat collecting shed and a gas flow generator installed in the flow guiding chimney, wherein the heat collecting shed comprises a light-transmitting heat collecting shed which is positioned at the edge of the heat collecting shed and a solar vacuum tube heat collecting module which is connected with the light-transmitting heat collecting shed and is positioned in the middle of the heat collecting shed; olivary flow guiding chambers are uniformly distributed between the heat collecting shed and the ground; the flow guiding chambers and the heat collecting shed are hermetically connected, and the light-transmitting heat collecting shed and the heat collecting module are hermetically connected; and a gas flow generator I is installed in a speed increasing channel formed by the two flow guiding chambers. In the invention, the heat collecting shed comprises a low temperature region and a high temperature region, the speed increasing channel is arranged in the heat collecting shed, solar photovoltaic cells are installed on the heat collecting shed, and the waste heat of the flow guiding chimney is recycled simultaneously, thereby effectively improving the efficiency of the solar hot gas flow generating system, increasing the strength of the heat collecting shed and prolonging the service life of the heat collecting shed.

The invention relates to a vacuum solar collector, comprising outer glass pipe, inner glass pipe and circular vacuum cavity between them. Transduction diaphragm is bonded with outside wall of the inner glass pipe, Variable diameter barrier step assembling sealing face with certain heat insulation performance is set on the sidewall of outer glass pipe or at the connecting sealing position between inner and outer glass pipe of vacuum solar collector. At least one of variable diameters of outer glass pipe is set at the jointing position between inner and outer glass pipe and is joint with reducing diameter of inner glass pipe. Outer sidewall of vacuum solar collector is possibly combined with condenser lens, whose section is ellipse or free-formed surface of closed line made up of curves andarcs. Through the section of condenser lens, vacuum solar collector makes pipe wall with backlight surface combine reflecting surface so that it condenses by reflecting; or by arc fresnel lens, whichis ray-facing surface of outer glass pipe condensing in refraction is accomplished; or reflecting surface with convex-concave groove compounded on backlight surface of circular glass pipe in longitudinal direction, condensing in reflection is completed.

The invention discloses a parabolic slot type solar heat collection device, which is formed by a paraboloidal reflective mirror and a heat collection sleeve, wherein the heat collection sleeve is formed by an outer side combination tube wall and a middle part absorption tube; the middle part absorption tube is sleeved with the outer side combination tube wall; a selective coating is coated on the outer layer of the middle part absorption tube; heat-conducting media are arranged inside the middle part absorption tube; a heat-conducting medium, air, is between the outer side combination tube wall and the middle part absorption tube. According to the device, the problems of single heat-conducting medium and relatively lower heat collection temperature of the traditional slot type solar heat collection tube are solved; the cost of device investment, manufacturing and maintenance of the heat collection tube is lowered; the economy of slot type electric power generation is improved; uniform distribution of internal flow fields and temperature fields of the heat collection tube is facilitated; and heat stress is reduced. Therefore, the requirements of low cost and high power generation efficiency for the solar heat collection device are satisfied.

The invention discloses a solar heat collection and energy storage device, solar thermal electricity generation equipment and a control method of the solar thermal electricity generation equipment. The solar heat collection and energy storage device is formed by a solar heat collection device and a high-temperature energy storage device in a connected mode, and the solar heat collection device is formed in the method that a plurality of heat collection modules and a plurality of focusing modules are connected through a solar heat collection device formed by a plurality connecting pipes in series with step-heating. The solar thermal electricity generation equipment comprises the solar heat collection and energy storage device, an automatic control device and a constant-temperature steamer electricity generation device. Heat energy stored in the solar heat collection and energy storage device is transported to a constant-temperature tank of the constant-temperature steamer electricity generation device to provide thermal electricity generation energy sources for the constant-temperature steamer electricity generation device; the automatic control device is used for controlling the solar heat collection and energy storage device and the constant-temperature steamer electricity generation device to work. The invention further discloses the control method of the solar thermal electricity generation equipment. Compared with the prior art, the solar heat collection and energy storage device, the solar thermal electricity generation equipment and the control method of the solar thermal electricity generation equipment have the advantages that heat collection temperatures are improved, the heat preservation effect is enhanced, heat energy use ratios are high, cost is low, structure is simple and installation is convenient.

The invention discloses a solar flat plate collector capable of exchanging heat through a micro-channel, which comprises a transparent cover plate, a heat-absorbing plate, a thermal-protective coating, a frame, an air collecting pipe, a liquid collecting pipe, a liquid-return pipe, and a plurality of parallel micro-channel pipes forming a detachable type circulating pipe together with an external condensation section, wherein the air collecting pipe is higher than the liquid collecting pipe; a circulating fluid which has gas-liquid phase change within a heat-collecting temperature scope is filled in the detachable type circulating pipe; the volume of the filled circulating fluid is 10%-90% of the volume of the detachable type circulating pipe; and a stable airlift pump effect is formed in the micro-channel by the circulating fluid. By utilizing the high heat-transfer efficiency of micro-channel and the specific airlift pump effect, the heat-transfer efficiency of the solar flat plate collector is increased, the weight of a heat absorber in the traditional solar flat plate collector is reduced, and the range of application temperature and the scope of application occasion of the solar flat plate collector are widened.

The invention discloses a novel solar heat pipe heat collecting and storing floor radiation heating system, comprising an outdoor flat plate solar heat collector, a fixing device and an indoor floor radiation cooling device; the outdoor solar flat plate heat collector comprises a heat pipe group with fins, a heat collecting plate, a honeycomb interlayer, a metal frame outer box body, a transparent glass cover plate and a heat preservation material; the heat pipe group, the heat collecting plate and the honeycomb interlayer are arranged in the metal frame outer box body; the transparent glass cover plate is positioned at the upper part of the metal frame outer box body; the heat preservation material is filled in the inside wall of the metal frame outer box body; the indoor floor radiation cooling device comprises an underground cooling header and an indoor heat pipe group which are connected to each other; a heat conduction material and a phase change material are filled in the underground cooling header; the evaporation section of the heat pipe group with the fins is positioned in the metal frame outer box body; the condensation section of the heat pipe group with the fins is positioned in the underground cooling header. The system does not need any power system, is energy-saving and environment-friendly and can be used as assisting heating equipment and main heating equipment.

The invention relates to a moderate temperature straight all-glass vacuum heat collecting tube which comprises a glass outer tube (1), a glass inner tube (2), a first bellows expansion joint (3(A)), a second bellows expansion joint (3(B)), a first metal connecting tube (9(A)) and a second metal connecting tube (9(B)), wherein one end of the glass outer tube (1) is in sealing connection with one end of the first bellows expansion joint (3(A)) via a first transition connecting ring (6(A)); the other end of the glass outer tube (1) is in sealing connection with one end of the second bellows expansion joint (3(B)) via a second transition connecting ring (6(B)); the other ends of the bellows expansion joints are in sealing connection with the two ends of the glass inner tube (2) via transition connecting rings; and the first metal connecting tube (9(A)) and the second metal connecting tube (9(B)) are welded at outer side orifices of the first bellows expansion joint (3(A)) and the second bellows expansion joint (3(B)) respectively. The tube is lower in cost and sealing connection difficulty, and is applicable to solar moderate temperature heat utilization systems of industrial heating, heat energy refrigeration and the like.

The solar water heater is composed of solar energy heat collection device, multifunctional water storage installation, water circulated connecting insulated pipefitting, thermosiphon convective cycle plant, unit for feeding and catching water, and air inlet and exhaust unit. The collection device is composed of solar energy heat collection components, fastening frame, and collecting boxes for heat preservation connected to each other. The collection device is a module composed of vacuum heat collection tube through collecting boxes and a set of fastening frame. Fluid director positioned by support card is installed inside tube cavity of one-way solar vacuum heat collection tube. Bar type fluid director is installed inside tube of straight through collection tube. Through fastening device and seal ring, the collecting boxes hold down seal. The said pipe fittings are connected to the heat collection device, and the water storage. The attaching unit is added to the solar water heater.

The invention relates to a solar light condensation heat collecting system and method. The system at least comprises a heat collector, a vertical reflecting mirror assembly, a chassis, a chassis driving mechanism, a Fresnel reflecting mirror assembly, a bearing base, a circular guide rail, a rotating connecting rod, a connecting rod driving mechanism and a solar control unit; the vertical reflecting mirror assembly is a reflecting mirror arranged around the heat collector and is arranged towards the sun, the axis of the vertical reflecting mirror assembly is parallel to the central axis of theheat collector, and the vertical reflecting mirror assembly is used for reflecting incident light of the sun to the heat absorption face of the heat collector; the Fresnel reflecting mirror assemblyis arranged on the other side of the heat collector and used for concentrating and reflecting sunlight on the other side of the heat collector to the heat absorption face of the heat collector; the highest point of the Fresnel reflecting mirror assembly can not influence the process that the sunlight is projected to the heat absorption face of the heat collector; and the Fresnel reflecting mirrorassembly is arranged on the other side of the heat collector and used for concentrating and reflecting sunlight on the other side of the heat collector to the heat absorption face of the heat collector. The solar light condensation heat collecting system has the characteristics of being low in cost and high in efficiency and concentration ratio.

The invention relates to a metal vacuum high-temperature heat collection pipe, which includes a glass outer pipe, a metal inner pipe penetrating the glass outer pipe, corrugated pipes and connecting flanges, wherein the two ends of the glass outer pipe are hermetically connected with the corrugated pipes respectively; the corrugated pipes are hermetically connected onto the metal inner pipe through the connecting flanges; and a vacuum cavity is formed between the glass outer pipe, the corrugated pipes and the metal inner pipe. The metal vacuum high-temperature heat collection pipe is characterized in that the glass outer pipe is wrapped with a thermal insulation reflective layer provided with an entrance window; the entrance window is parallel to the medial axis of the glass outer pipe, and extends to the other end from one end of the glass outer pipe; and the width of the entrance window is 20 to 180 radian. As the glass outer pipe of the heat collection pipe is wrapped with a thermal insulation reflective layer, the thermal radiation emitted by the heat collection pipe at a high temperature is reflected back to the heat collection pipe for secondary absorption, and further effectively increase the heat collection temperature of the heat collection pipe, as a result, the use amount of heat collection pipes designed for object thermal energy heat collection is reduced, the investment scale for the heat collection system is reduced, and the occupied area is reduced.

The invention discloses a concentrated type solar heat collection module, and belongs to a core component of solar heat collection engineering. The module is composed of a heat exchange header, a vacuum heat collection pipe, a concentrated reflecting screen, a heat collection pipe bracket and an anti-falling net. The concentrated reflecting screen is connected with the heat exchange header, the vacuum heat collection pipe is inserted in a socket hole in the heat exchange header, the heat collection pipe bracket is fixed at the other end of the concentrated reflecting screen, the heat collection pipe bracket is utilized for fixing the tail of the vacuum heat collection pipe, the anti-falling net is fixed on the concentrated reflecting screen and the vacuum heat collection pipe, and the heat exchange header, the concentrated reflecting screen and the heat collection pipe bracket are solidly connected together. Sunshine is concentrated on the vacuum heat collection pipe through the concentrated reflecting screen, so that the temperature of heat-conducting media inside the vacuum heat collection pipe is increased, and heat can be transmitted to water in the vacuum heat collection pipe by the heat-conducting media through a pressure-resisting heat exchange pipe until the water is boiling or vaporized so as to be utilized. The module can be mounted in a united mode so as to provide drinking boiled water or high-temperature steam.

The invention discloses a passive-type double-flow-passage solar water boiler which comprises a solar thermal collector, a water boiling tank and a thermal accumulator mounted in the water boiling tank. The solar thermal collector is composed of a full-vacuum glass thermal collecting pipe, a metal-bar-shaped thermal pipe, thermal conduction aluminum foil and a steam pocket. The vaporization end ofthe metal-bar-shaped thermal pipe and an aluminum finned pipe are inserted into the full-vacuum glass thermal collecting pipe jointly, and the condensation end of the thermal pipe is inserted into the cylindrical steam pocket which communicates with the water boiling tank through a thermal-insulating anti-pressing rubber pipe. The water boiling tank is internally provided with the thermal accumulator which is filled with a paraffin phase-change thermal accumulating material. According to the passive-type double-flow-passage solar water boiler, solar energy is absorbed through the vacuum glassthermal collecting pipe, through the thermal pipe, heat is transferred to the steam pocket quickly, and cold water in the steam pocket is heated; and the cold water in the steam pocket is heated intoa saturated steam state and enters the water boiling tank through the thermal-insulating anti-pressing rubber pipe to be mixed with and heat cold water in the water boiling tank. The passive-type double-flow-passage solar water boiler can operate under the normal pressure, power does not need to be additionally provided, the thermal efficiency is high, and the passive-type double-flow-passage solar water boiler can further be used for boiling fresh water and spraying steam for a long time.

The invention provides a light condensation-light split photovoltaic/photothermal integration system based on an absorption heat pump. A heat collector is mounted at the middle part of a butterfly light condensation device; a light split plate, a light homogenization cylinder, a battery and a cooling back plate are mounted on the butterfly light condensation device; the cooling back plate and theheat collector communicate with the absorption heat pump; the absorption heat pump communicates with a first heat exchanger and a third valve; the third valve communicates with a fourth valve, a heatuser and a second heat exchanger; the first heat exchanger and the second heat exchanger communicate by using a pipeline; a first valve, a low-temperature heat storer, a high-temperature heat storer and a fifth valve are mounted on the connecting pipeline; the absorption heat pump communicates with the first heat exchanger, the second heat exchanger, a second valve and a sixth valve; and the sixthvalve communicates with the second valve and a supplement heater. The system increases the afterheat temperature of the cooling back plate through a Libr-H2O absorption heat pump to supply heat to users, realizes sunlight full-spectrum classification efficient utilization, and greatly improves the sunlight utilization rate.

The invention relates to a wall-hanging-type heat collector adopting half-edge compound parabolic concentrating devices. The wall-hanging-type heat collector comprises a flat glass plate (2), an outer frame (3) and a plurality of half-edge compound parabolic concentrating devices (1), wherein the flat glass plate (2) with a south-facing surface is vertically arranged and connected with the outer frame (3), the half-edge compound parabolic concentrating devices (1) are vertically distributed in the east-west direction, arranged in a space enclosed by the flat glass plate (2) and the outer frame (3) and fixed on the outer frame (3), and each half-edge compound parabolic concentrating device (1) comprises a half-edge compound parabolic reflecting plate (1-2) and a glass vacuum heat-collecting tube (1-1) which is arranged at the lower end of the half-edge compound parabolic reflecting plate (1-2). The wall-hanging-type heat collector has attractive appearance, convenient mounting, low cost, high solar energy utilization rate and heat-collecting temperature.

The invention discloses an internal-concentrator honeycomb sandwich plate type solar collector which is improved for being installed on a family balcony vertically on the basis of a two-layer honeycomb sandwich plate type solar collector (201010608016.2). The internal-concentrator honeycomb sandwich plate type solar collector is characterized in that the two-side lighting and internal-concentrator honeycomb sandwich structural technology is adopted. The internal-concentrator honeycomb sandwich plate type solar collector has the advantages of greatly improving utilization rate of solar energy, reducing cost, and being wide in applicability, safe, reliable and easy in industrialization.

The present invention relates to one kind of heat exchange system, and is especially one solar heat exchange system with high temperature heat conducting medium. It has heat collector comprising several stages of solar heat absorbing vacuum tubes, heat exchanger and storage cylinder with high temperature heat conducting medium, connected via pipeline. One circulating pump is set in the inlet of the heat collector and can raise the temperature of the heat conducting oil to 200 deg.c. The heat conducting oil entering into the heat exchanger transmit heat to other object. The present invention may be produced in fast solar water boiler, solar energy air conditioner, solar energy rice cooker, solar energy stoving device, etc.

The invention discloses a compound parabolic concentrating power generation-phase change heat storage device and belongs to the field of solar energy heat utilization and solar energy thermoelectric power generation. The device is composed of a heat collecting module (composed of an evacuated solar collector tube, a compound parabolic condenser and a flat miniature heat pipe array), a power generation module (composed of the flat miniature heat pipe array and a thermoelectric power generation piece), a heat storage module (composed of a flat miniature heat pipe, heat exchanging fins, a heat storage material and a heat storage box body), and a cooling water pipe, wherein the flat miniature heat pipe array component is used as a heat transmission conductor in the device; heat received by a vacuum tube can be rapidly transmitted to a first power generation module by the flat miniature heat pipe array, the flat miniature heat pipe array and the heat storage module jointly provide temperature difference for the first power generation module to generate electricity energy; in addition, the heat storage module can provide a heat source for a second power generation module; the heat storage module and a cooling module jointly provide temperature difference for the second power generation module and generate electricity energy and heat energy; and the electricity energy generated by thefirst and second power generation modules can be directly consumed by electric equipment or is stored through a storage battery.