68results about How to "Increase the heat collecting area" patented technology

The invention discloses a modified solar chimney system which comprises a transparent glass cover plate, a solar collecting panel mounted on a outer wall facing the south, an air passage formed between the transparent glass cover plate and the solar collecting panel, and wind guide rotating exhaust hood disposed at the top of the air passage. A plurality of longitudinal ribs protruding towards the air passage are disposed on the solar collecting panel, so that solar collecting area is increased effectively, more solar radiation can be absorbed, and heat exchange effect between the air and the solar collecting panel can be intensified by the longitudinal ribs.

The invention relates to a multistage double effect distillation seawater desalination technology with heating seawater by solar energy. The technology comprises the following steps: seawater is delivered to a high cistern by a seawater pump; the seawater in the high cistern is delivered to a system for water supply through a water supply tube and a condenser inlet tube; the seawater is heated to a certain temperature by adsorbing latent heat of steam in an evaporator through all condensers of the system, and enters the evaporator after being heated to a designed temperature by a rapid heater with solar energy; the seawater enters the evaporator, becomes superheated water and is gasified rapidly and partially because a pressure in the evaporator is controlled to be lower than a saturation vapor pressure corresponding to a temperature of hot seawater; and a part of ungasified hot seawater enters a next stage evaporator and a part enters heat-collecting tubes at two sides of the evaporator. The heat-collecting tubes are provided with annular imbibition films, and the hot seawater flows from top to bottom after entering the heat-collecting tubes. In a flow process, the hot seawater is delivered to upper half parts of inner cavities of the heat-collecting tubes because of capillary imbibition actions of the imbibition films. The hot seawater is evaporated to steam because the heat-collecting tubes have a high temperature under the sunlight, the steam rises along the inner cavities of the heat-collecting tubes and enters the condenser to obtain fresh water which flows into a fresh water tank and then is output by a fresh water tube. Unevaporated concentrated seawater enters a concentrated water tank and is ouput by an inlet/outlet tube.

The invention relates to a recovery type solar drying device, comprising: 1. a hot air flow heat-collecting and heat-storing circulating system implemented by components such as an all-glass vacuum heat-collecting tube, a heat tube (2), a heat-dissipating piece (3), a metal net layer (4), a pebble heat-storing device (5), a heat exchange device (9), a variable-frequency speed-regulating fan (8) and the like; 2. a material drying system implemented by components such as a material drying insulating box (10), a netty material drying box (21), a fan (24), a material (25) to be dried and the like; 3. a dried material water recovery system implemented by components such as a dried material steam discharge device (11), a condensing device (12), a dried material water recovery pipeline (14) and the like; and 4. components including a valve, an electric auxiliary heating device, a sensor and the like. The recovery type solar drying device has wide application range, can dry different types of materials and form series of products of the solar drying device.

The invention discloses a full-glass solar vacuum heat-collecting tube and a preparation method of the full-glass solar vacuum heat-collecting tube. The heat-collecting tube comprises a vestlet, an inner tube and a support component, wherein an antioxidant selective absorbing coating is arranged on the outer surface of the inner tube, and the coating is sequentially composed of a diffusional bonding layer, an infrared reflection layer, a diffusional impervious layer, an absorbed layer, a suede texture layer and a decreased layer from a base material to the outside in an overlapped mode. By the adoption of the antioxidant solar spectrum selective absorbing coating, even the vacuum degree in a vacuum layer of the vacuum heat-collecting tube reduces or completely disappears, a solar spectrum absorbing film layer has high inoxidizability, the film layer can still work normally, the service life of the heat-collecting tube is greatly prolonged, the evacuation time when the heat-collecting tube is manufactured is short, gas is removed by high temperature, and meanwhile a non-evapotranspired-type getter is activated, the production efficiency is high, the production cost is reduced, and actual heat-collecting area is increased.

The invention relates to a fast-response thermal protection varistor, comprising a shell in which a fuse and a varistor are arranged. An insulating layer is arranged between the fuse and the varistor. The insulating layer is connected with the varistor by a metal conductor through high temperature metal. The fast-response thermal protection varistor ensures that the low temperature alloy fuse can sense the heat of the varistor directly and quickly. Furthermore, the fast-response thermal protection varistor has large collector area, short heat transfer path and high heating efficiency and effectively prevents the aging of the varistor.

This invention is a solar energy heat collecting and storage system that combines to the external wall of building. It belongs to the field of new energy resources. It includes cold air inlet opening, hot air outlet opening, natural convection venting, valve, sunlight board, V type heat absorbing board coated with selective coat and masonry wall. The masonry wall forms the external skeleton of the whole system. The V type aluminum board, the superior surface of which is coated with selective absorbing coat, can effectively increase heating collecting area. It has high absorption rate and low emissivity. The sunlight board can transmit light and preserve temperature. The masonry wall acts as heating storage element. This invention has advantages for the rebuilding of existing house to solar house. It saves the cost. It also avoids leaking, corrosion and freezing.

The invention relates to a water leakage automatically protecting device of a solar water heater, which comprises a connecting pipe, a water cork, a free block, a pulley, a rope and a pore plate, wherein the connecting pipe comprises a circular bedplate, a big circular pipe and a small circular pipe; the big circular pipe and the small circular pipe are respectively sleeved with a big sealing ring and a small sealing ring; the big circular pipe is connected with a hot water storage tank through the big sealing ring in a socket joint and sealing way and is communicated with the hot water storage tank; the small circular pipe is connected with the inner pipe wall of a vacuum pipe through the small sealing ring in a socket joint and sealing way and is communicated with the vacuum pipe; one end of the water cork is fixed on the circular bedplate in the connecting pipe, the other end of the water cork is connected with one end of the rope, and the other end of the rope is connected with the free block through the pulley. When the vacuum pipe is broken to leak water, water in the vacuum pipe is directly communicated with air to lead the upper face and the lower face of the water cork to form the pressure difference, the water cork overcomes the pull force of the free block under the action of the water flow and the pressure difference and rapidly plugs on the circular bedplate so as to block the channel of the hot water storage tank and the broken vacuum pipe.

This invention provides a solar seawater desalination device. The solar seawater desalination device comprises a vacuum pump, a water inlet pump, a solar receiving pond and a low-temperature multi-stage distillation system. A water outlet of the solar receiving pond is connected with the low-temperature multi-stage distillation system. The solar receiving pond comprises multiple stages of water ponds connected in series, and coated vacuum glass is used for the water ponds so that a ceiling can be formed; intercepting filtering cloth is arranged in the water ponds; the low-temperature multi-stage distillation system comprises multiple stages of low-temperature multi-effect vacuum cabins connected in series; an evaporating and condensing heat exchange plate is horizontally arranged in each cabin, the tail end of each evaporating and condensing heat exchange plate is connected with the vacuum pump, and the two ends of each evaporating and condensing heat exchange plate and the bottom of the corresponding cabin are sealed so that a sealed cavity can be formed; a water passing hole is formed in the lower portion of the connection face of every two cabins; the top of the previous-stage cabin and the bottom of the later-stage sealed cavity are connected with a steam pipe; a fresh water flow-out port is formed in the bottom of each sealed cavity; the vacuum degree of each later-stage cabin is lower than that of the corresponding previous-stage cabin due to the vacuum pump. The technical effects of reducing water making cost and improving water making efficiency are achieved.

The invention relates to an energy saving environment protection multifunctional solar water heater in the application field of cleaning energies. The invention is characterized in that the invention mainly comprises a vapor collecting draught pipeline, a vapor condensing distilled water manufacturing device, a solar heat collecting device and a hot water outlet tube, etc. At least one vapor collecting draught pipeline is led out by an insulating water storage tank. The vapor collecting draught pipeline is provided with at least one vapor inlet communicated with the top part of the insulating water storage tank. The vapor is fed out from the insulating water storage tank and is finally condensed to generate distilled water and the distilled water is collected and utilized. The invention has the beneficial effects that the invention can effectively utilize the solar energy and utilize the solar water heater to manufacture enough distilled water for drinking. The invention has a simple structure, can fully utilize the existing device, has a low technical reform investment and a broad market prospect and can increase the competitive strength of an enterprise.

The invention discloses a photo-thermal mirror medium-high-temperature solar heat supply heating and heat collection device. The photo-thermal mirror medium-high-temperature solar heat supply heating and heat collection device comprises an L-shaped positioning support as well as an upper heat collection header and a lower heat collection header which are installed on two ends of the positioning support, wherein the upper heat collection header is communicated with the lower heat collection header in a sealing manner through a photo-thermal heat collection pipe, a prism radiation plate which is used for reflecting light passing through a gap between the photo-thermal heat collection pipes is arranged on the positioning support, a prismatic surface of the prism radiation plate is used for radiating the light passing through the gap between the photo-thermal heat collection pipes to the back surface of the photo-thermal heat collection pipes; the heat efficiency and defrosting and snow removal effect of the solar heat collector are greatly improved; moreover, the structure is simple, easiness in production and installation can be realized, and the photo-thermal mirror medium-high-temperature solar heat supply heating and heat collection device can be widely applied to the shower, heating and steam collection and supply of units such as individual residential buildings, institute groups and the like.

A novel solar hand lamp comprises a lamp body, a turning cover, a base and a battery box, wherein the turning cover is mounted at the top end of the lamp body, the base is mounted at the bottom end of the lamp body, the battery box is mounted at the bottom end of the base, a handle is mounted on two sides of the turning cover, stainless steel supports are mounted on the periphery of the outer part of the lamp body, a transparent lampshade is mounted on inner sides of the stainless steel supports, an illumination lamp is mounted inside the transparent lampshade, an insect killing lamp is mounted on the left side of the base, a manual power generation rod is mounted on the right side of the base, a storage battery and a power storage module are mounted inside the base, and USB interfaces, a control panel and a charging port are sequentially mounted at the upper end of the front side of the base from left to right. The lamp has multiple power supply modes such as a solar power supply mode, a mains power supply mode, a dry battery power supply mode and a manual power generation mode, and charging is not limited; besides, free dimming can be realized, and different requirements of people are met; the USB interfaces are arranged, and the lamp has functions of a mobile power supply, a field guide and insect killing and has the advantages that the lamp is efficient, energy-saving, rich in function and convenient to operate.

The invention discloses a finned u-shaped solar collector tube, which mainly comprises a u-shaped copper tube, a sail-shaped fin, a single-sealing cover, a transparent heat preservation tube, a reflective diaphragm and the like. Due to the adoption of a vacuum sealing heat preservation measure combining the single-sealing cover and the single-layer transparent heat preservation tube, the finned u-shaped solar collector tube realizes the heat collection scheme of directly taking the fin of the u-shaped copper tube as a solar irradiation surface, changes heat collection and heat transfer ways adopted in the prior art, cancels redundant low-efficiency intermediate heat transfer links, simplifies a structure, directly transfers radiation energy collected by the fin into a heat transfer medium in the u-shaped copper tube, remarkably reduces the surface temperature of the irradiation surface, improves a heat transfer rate and heat efficiency, enables a plurality of technical measures such as the sail-shaped fin, a heat absorption channel, reflective heat-aggregation, a matt black body and the like capable of increasing an effective heat collection area and improving the heat collection efficiency to be applied to achieve the technical effects of radiant absorptance alpha of 96 percent, the heat efficiency improved by about 40 percent and reduction in the cost, has the characteristics of rational structural design, reduction in the cost, improved heat efficiency and the like, and the advantages of low heat diffusion loss, high heat transfer rate, reliability, simple process and the like, and is convenient to arrange and easy to produce in large scale.

The invention provides a full-glass vacuum pipe solar water heater for heating. A water storage case is obliquely fixed, so an inclined angle is formed between the water storage tank and the horizontal line; the inclined angle is 10 to 25 degrees more than local latitude; a row of full-glass heat pipe vacuum heat collection pipes is respectively transversely arranged in the left and right sides of the water storage tank; a condensate end of each full-glass heat pipe vacuum heat collection pipe skews a corner toward the bottom of the water storage case; and the corner is more than zero degree and less than 20 degrees. The water heater is installed at high inclined angle, so higher heat can be achieved in winter and solar energy heating can be facilitated; less heat is achieved in summer, so excessive heat of the water heater can be avoided, thereby being quite suitable for solar energy heating systems; no water exists in the pipe during operation of the water heater, so pipe freeze in winter can be prevented; and when one heat collection pipe is broken, leakage of water in the water storage case can be avoided, so the heat collector can be still used normally.

The invention relates to a novel efficient solar air heat collector device with a permeable trapezoid structure. The solar air heat collector device comprises a shell, an edge pressing section, an inner core and the like, wherein the inner core comprises a cover plate, a plurality of efficient heat-insulating layers, a permeable trapezoid heat absorption plate, a heat absorption heat pipe and a stainless steel support. The heat absorption plate has a permeable trapezoid structure, so that a heat collection area can be increased, and air entering a heat collector is disturbed to promote heat exchange between the air and the heat absorption plate; the trapezoid heat absorption plate divides a heat collection cavity into two closed heating channels along the thickness direction to extend a heating path, and by a heat absorption net structure covering the heat absorption plate, the heat exchange efficiency and the heating efficiency are improved; the heat-insulating layers comprise an aluminum foil plate, asbestos gauze, a heat-insulating plate, asbestos gauze and an outer layer plastic plate sequentially from inside to outside; the asbestos gauze is made of rock wool or mineral wool, and the heat-insulating plate is made of rigid polyurethane; and a layer of electric heating blanket is arranged between the aluminum foil plate and the asbestos gauze and is used for performing electrical heating automatically, so that the solar air heat collector device operates conveniently at night or under the adverse weather condition.

The invention discloses a solar power-generating and warming drying water heater. The solar power-generating and warming drying water heater comprises a framework, a water storage tank, a heat collecting plate, hollow glass, a solar photovoltaic cell panel, a cover plate mesh, and a water pump, wherein a bottom plate is arranged at one side of the framework; the water storage tank is arranged on the inner lower part of the framework, and an opening is formed in the upper part of the water storage tank; a water inlet and outlet tube which penetrates through the framework is arranged in the side surface of the water storage tank; a heat-preservation heat insulation material is filled between the water storage tank and the framework; the heat collecting plate is arranged in the opening end in the storage tank body, is of a waveform structure, and made from an aluminum material; the hollow glass is arranged above the heat collecting plate, and the two sides of the hollow glass are fixed on the side wall of the framework; an air-heating outlet is formed in one side surface of the framework between the hollow glass and the heat collecting plate, and a gas exhausting tube is arranged on the other side surface of the framework; the solar photovoltaic cell panel is arranged along the peripheral direction of the inner side of the framework above the hollow glass, and wiring ends are led out through the two guide wires; the cover plate mesh is arranged above the hollow glass of the framework, and the two sides of the cover plate mesh are fixed on the side wall of the framework; and the water pump is connected to the water storage tank through the pipeline. The solar power-generating and warming drying water heater has the functions of solar power generating, heat collecting, warming, drying and the like.

The invention discloses a all-glass vacuum multi-inner-tube communicated type solar heat collection tube, which is composed of a plurality of inner glass tubes (2-4) and an outer glass circular tube, wherein the plurality of inner glass tubes are mutually sealed by smelting in a same plane surface firstly, and then are integrally sealed by smelting with one end of the outer glass circular tube; the plurality of inner glass tubes and the other end of the outer glass circular tube are sealed to form free ends respectively; the space between the inner glass tubes and the outer glass circular tube is vacuum. According to the invention, the key points are that the plurality of inner glass tubes (2-4) are adopted, and bottom parts of the all inner tubes are communicated; the cross section of the outer glass tube is circular; solar absorbing layer antireflecting films are coated on external surfaces of the plurality of inner glass tubes; the plurality of inner glass tubes guarantee that a larger collecting area is provided and the material cost is saved, and meanwhile, a higher collection efficiency is realized; the outer glass circular tube overcomes the shortage of hail-resistance of an outer tube with other shapes, and the difficulty of connecting with a water tank. Therefore, the solar power heat collection tube is suitable for products of water boilers, steam generators, solar water heaters, and the like.

The invention discloses a variable runner metal wire-rock heat storage type solar heat collector. A heat collection and storage section of a variable-diameter runner is filled with metal wires and rock particles, so that increase of a heat exchange area is realized, heat exchange time is prolonged, and continuous disturbance of fluid can be realized, and therefore, the heat exchange effect of a system is further strengthened; the heat collector has an automatic heat sensible and storage function while quickly collecting heat, and has the characteristics of high heat collection and transfer speed, a wide heat collection material source, a wide heat storage material source, a low price, high thermal stability and heating efficiency, small thermal loss, a high outlet air temperature, and energy conservation and environment protection.

A novel energy-concentrated integrated solar water heater is provided, which is quite different from the vacuum tubular type solar water heater, the flat plate solar water heater and integral-type solar water heater, and integrates the functions of the solar water heater and the electrical water heater. The novel solar water heater can be easily installed on southern walls and floors of buildings, without occupying any space indoor; and can normally work all day around in a way that the water is supplemented as being consumed under the electrical heating conditions. The novel solar water heater comprises a special corrugated metal heat-collecting core which can efficiently increase heat-collection area and heat-collection efficiency and increase the heat yield; a quadrate separated water tank which is integrated with a mainframe and installed outdoors. The novel solar water heater has functions of preventing dry burning, stroke, water leakage, power leakage, freezing and heat waste, and is safe to use. The novel solar water heater further comprises an intelligent control system for ensuring functions of temperature stabilization, timing, circulation, water supplementation, water consumption, drainage, time-delay and electrical heating.

The invention provides a manufacturing method and application of a whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel. The manufacturing method is characterized in that rare earth aluminum alloy is squeezed to form a whole-flow-passage rare earth aluminum alloy solar panel blank, the surface of the front face of the blank is subjected to chemical processing to form a solar heat collection layer, the surface of the back face of the blank is also subjected to chemical processing to form a solar heat collection layer, or the surface of the front face of the blank is coated with solar energy absorption coating, the surface of the back face of the blank is also coated with solar energy absorption coating, and therefore the whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel 1 with the base layer being the whole-flow-passage rare earth aluminum alloy structure layer 1-1 and the front surface layer and the back surface layer being the solar heat collection layers 1-2 is obtained. The application of the whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel is a split type whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar water heater. Compared with the prior art, the heat collection and transfer area is substantially increased, heat conduction is quicker and more direct, solar heat collection and transfer efficiency is substantially improved.

The invention provides a solar photovoltaic-photothermal-hot wind integrated heat collection device. The device comprises a solar photovoltaic system, a solar photothermal system and a solar hot windsystem. The solar photovoltaic-photothermal-hot wind integrated heat collection device has the beneficial effects that a trinity of photovoltaic, photo-thermal and hot wind is adopted; automatic switching of multiple modes can be achieved; meanwhile, different modes of automatic spreading of a V-pattern solar photovoltaic panel can be cooperated; and thus solar energy utilization efficiency can beraised by 5%-15%. By means of the device, combined operation of the three systems can be achieved; the device can be applied to different occasions; and modes can be chosen automatically and switchedaccording to judging conditions by the device, and electricity energy, hot wind and hot water can be provided simultaneously for electrical appliances.

The invention provides a manufacturing method and application of a flat box type double-sided heat collection type solar thermal collector, and belongs to the technical field of solar thermal collectors. Compared with the prior art, the manufacturing method has the advantages that the heat collection area of the flat box type solar thermal collector is greatly enlarged, and therefore the heat collection and transfer efficiency of the thermal collector is greatly improved, the problem of water quality pollution of the solar thermal collector is solved, and the hot water yield can be adjusted according to the weather.