132 results about "Solar chimney" patented technology

A solar power arrangement for converting solar energy into electricity comprising; a solar chimney, the chimney having a flared base spaced from the ground the chimney including a transparent surface to allow solar energy to heat air within the solar chimney. A first air turbine drives a first generator, and the chimney including an exhaust. The first air turbine drives an air compressor and wherein the compressor includes an ambient air intake and a plurality of pipes for receiving compressed attached to the solar chimney. A plurality of heliostats focus solar energy on the pipes to heat the compressed air contained therein and a second turbine driven by expansion of the compressed air wherein the second turbine drives a second generator.

A solar chimney assembly including a chimney (3) is build using a mountain (11) as support. The chimney (3) receives air from a solar heat collector (1) that heats the air below it creating an updraft of air. The air goes up because of the difference in temperature and the difference of pressure between the base and the top of the chimney. This higher the difference of temperature and pressure, the faster the air will go up. An array of turbines (2) is driven by the air. The chimney (3) will be as high as the mountain (approximately 1,000 meters high or higher) and will go above the inversion layer or thermic ceiling (10). At the top of the chimney, a fine mist of electrically charged water (5), taken from a reservoir (4) is sprayed across the top of the tower, attracting pollution in the air like sulfur dioxide, soot and other particles. The water will fall because of gravity and will be collected in a second reservoir (6) and will be used to send it down the mountain through a pipe (7) to generate additional electric power with a turbine (8).

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.

A solar chimney includes a solar collector which heats air in the chimney, producing updrafts which can be harnessed to perform useful work. The solar collector may be located inside or outside the chimney. The device may include a reservoir for storing a heat transfer fluid, thus enabling the device to be used during both day and night. The solar chimney may be equipped with both internal and external solar collectors, operating in parallel. The solar chimney may also be equipped with multiple external solar collectors, connected in parallel to a reservoir. The solar chimney of the invention provides a convenient and practical way to convert solar energy into electrical power.

A floating solar chimney includes several parts, e.g., the Main Chimney, the Heavy Base, and the Folding Lower Part. The main chimney includes cylindrical balloon rings full of non flammable light gas. The cylindrical balloon rings are tied with the help of supporting rings so that together they form one or more compact units of the main chimney. The compact parts of the main chimney are fastened on the heavy base. The successive compact parts are separated by separating rings filled with environmental air that can go in and out of the separating rings, so that the dynamic independence of the successive compact parts is ensured. The main chimney, which can float, is configured to sit on a chimney seat, and is connected to the heavy base. The lower part of the heavy base is fastened to the folding lower part. The air can enter and come out freely from the rings of folding lower part in order to enable the floating solar chimney to achieve any suitable decline as dictated by the exterior winds.

The invention provides a solar-energy hot airflow station based on solar wall technique, comprising a solar-energy chimney, a wind turbine at the lower part of the chimney and a generator. The invention is characterized in that the chimney is build near the building wall whose face and two sides are made from transparent material, the chimney is arranged with thermal insulated material near the wall, while the outer face of the insulated material is disposed with energy storage device. The invention has the advantages in low cost and wide application.

The invention relates to a solar chimney power generation system combining the photovoltaic technology, comprising a solar chimney and a solar thermal collector, wherein, the ceiling of the solar thermal collector is stuck with a thin film solar PV panel; or the bottom surface of the solar thermal collector is paved with the solar panel. The thin film solar PV panel stuck on the ceiling of the solar thermal collector is non-light tight. The solar panel paved on the bottom surface of the solar thermal collector is an ordinary monocrystalline silicon solar PV panel. The system can take full advantage of the light energy and the heat energy of the solar energy, after the solar panel converts the light energy of the solar energy into the electrical energy, the remaining solar energy is used for heating the air entering the solar thermal collector in the form of heat energy; the PV panel can be cooled perfectly to guarantee the efficiency and the generated output of the PV power generation system; the system raises the rate of utilization of the solar chimney power generation system on the solar energy and raises the generating efficiency of the solar chimney power generation system by about 30 percents.

The invention discloses a distillation desalination system for a solar chimney, comprising: the solar chimney positioned above a heat collecting shed, wherein a source water pool and a fresh water pool are arranged on the periphery of the heat collecting shed, and a concentrated brine pool is arranged right below the solar chimney; an indirect-type condenser is arranged at the top part of the solar chimney, the outer wall of the indirect-type condenser is coated with heat insulation material, a source water feeding pipeline is connected between the source water pool and an inlet of the indirect-type condenser, and a water delivery pump is arranged in the source water feeding pipeline; a nozzle used for atomizing source water is arranged in the solar chimney, a source water draining pipeline is arranged between an outlet of the indirect-type condenser and the nozzle, and the pipeline is provided with a high pressure pump; and a fresh water collecting tank is arranged below the indirect-type condenser, and the pipeline is connected between the fresh water collecting tank and the fresh water pool. Simultaneously, the invention also discloses a desalination process by using the distillation desalination system. The invention solves the technical problems such as low heat transfer efficiency, slow evaporation speed, low fresh water yield, high specific investment of equipment and the like in the conventional solar distillation technology.

The invention relates to the technical field of ventilation for buildings, in particular to an air conditioning energy saving system for strengthening natural ventilation. The air conditioning energy saving system comprises a basement (4), a plant building (3) located above the basement, an inclined roof (2) arranged on the plant building (3) and a hood (1) arranged on the inclined roof (2). The basement (4) is provided with an air supply mechanism (41) which is used for supplying air in the basement (4) into a ventilating wall body (31) of the plant building above the basement. The basement (4) is communicated with an air inlet (42) in the ground. Compared with the prior art, the air conditioning energy saving system for strengthening the natural ventilation has the advantages that a ventilation system in a plant is transformed, the air in the basement and solar energy are utilized for achieving the effects of indoor air conditioning and ventilation, and therefore the amount of electricity consumed for the air conditioning and the ventilation of the plant building is reduced greatly; specially, the ventilating wall effectively utilizes the solar energy and combines a solar wall technology with a solar chimney technology in an organic mode, so that the contradictory problem that the same wall body cannot be used both in winter and in summer is solved, and full utilization of the solar energy by a single wall body in different seasons is realized; moreover, the air conditioning energy saving system is low in manufacturing cost and suitable for being popularized and promoted in a plurality of regions.

The invention discloses a solar heat collection and ventilation system for a passive house. The solar heat collection and ventilation system is composed of a TROMBE wall, a slanting roof solar chimneyand a two-phase closed type thermosiphon, wherein the TROMBE wall comprises a transparent glass cover plate, an air interlayer, a heavy wall, an air valve, a heavy wall upper indoor air inlet and a heavy wall lower indoor air outlet; the slanting roof solar chimney is composed of a transparent cover plate, an air interlayer, a slanting roof, a heat absorption plate and a heat insulation plate. Anair baffle is arranged at the junction between the slanting roof solar chimney and the TROMBE wall; the two-phase closed type thermosiphon is composed of an evaporator, a condenser, a rising air pipe, a downflow liquid pipe and control valves. Through the solar heat collection and ventilation system, the defects that a traditional heat collection and ventilation system is single in function and poor in effect are overcome. The solar heat collection and ventilation system has the advantages of being high in heat collection and ventilation ability, diversified in function and easy to operate and not consuming energy. The solar heat collection and ventilation system is used for conducting natural ventilation and preventing indoor overheat in summer and making domestic hot water and can achieve solar hot air heating and fresh air preheating in winter.

The invention relates to a solar wall heat supplying and radiating system. The solar wall heat supply and radiating system comprises a solar wall frame, insulation boards, transparent curtain wall boards, solar air heat collection boards, temperature sensors, deflectors, air inlet holes, exhaust outlets, axial fans, temperature control fan speed controllers, air supply ducts, an energy storage wall and a solar chimney, wherein the solar wall frame is installed on an outer wall on the sunny slope of a building; the insulation boards are embedded in the inner side of the frame, and an inner wall and an outer wall of the frame; the solar air heat collection boards with the temperature sensors are installed between the transparent curtain wall boards and the insulation boards on the outer wall to form an outer cavity and an inner cavity of a solar wall; the movable deflectors are arranged in the middle of each layer of the inner cavity and the floor portion of the inner cavity and the outer cavity; the axial fans are installed on the exhaust outlets and are controlled by the temperature control fan speed controllers; the air supply ducts are connected with the axial fans and the energy storage wall; the top end of the solar wall is connected with a section of the solar chimney. The solar wall heat supplying and radiating system can supply heat for the building in winter and can ventilate and radiate the building in summer, so that the application space is wide.

The present invention relates to a heat collector for solar hot air power generation system, includes solar chimney, heat collectors, transparent material spacing plate disposed vertically along circular tangential direction with 0.8-2 m which is the same center of circle of heat collectors, lower edge of transparent material spacing plate clings to floor of heat collectors, upper edge clings to ceiling of heat collectors; the apparent material spacing plate divides heat collectors into at least 24 regions equally along circumference; outer edge of apparent material spacing plate through to outer margin of heat collectors, and its length is 60-110m. The present invention improves Plate solar energy collector heat collecting stripe heat-collecting efficiency of solar hot air power generation system heat collectors, thereby improving its generating efficiency. Because of increasing heat collectors heating surface, so reducing heat dissipation losses of heat collectors; guiding function of plate glass to air current reaches airflow request when reaches air arriving turbine generator entrance, flowing loss of airflow is decreased.

The invention relates to a solar chimney power generation system combined with a phase-change heat storage technology. The solar chimney power generation system comprises a solar chimney, a solar heat collector and a turbine generator which is arranged at the bottom of the solar chimney, wherein a phase-change heat storage material is spread at the bottom of the solar heat collector. At night, power generated by the turbine generator is driven by the heat released with the aid of the phase-change heat storage material, the solar chimney power generator system is combined with the phase-change heat storage technology, so that the advantages of both the solar chimney power generator system and the phase-change heat storage technology are brought into the furthest role, the electricity output of the solar chimney, in particular the electricity output at night can be increased, the problem in the traditional solar chimney power generation system can be effectively solved, the rate of multipurpose utilization of solar energy is increased, meanwhile, the power generation cost is reduced, and the application scope of the solar chimney power generation system is expanded.

The invention discloses a tower type solar chimney salt, water and electricity cogeneration system and an operation method thereof. The tower type solar chimney salt, water and electricity cogeneration system is characterized by comprising a heat-collecting shed and a solar chimney located at the center of the heat-collecting shed, and the heat-collecting shed comprises a heat-collecting shed cover plate, heat-collecting shed supports, a heat accumulation layer and a salt water pool. The tower type solar chimney salt, water and electricity cogeneration achieves the beneficial effects that the tower type solar chimney salt, water and electricity cogeneration comprises a non-light-condensing type solar hot airflow system, a reflective type Fresnel light condensation system and a humidification-dehumidification seawater desalination system; by utilizing the solar hot airflow system generating electric energy and a strong upflow, seawater in the salt water pool is evaporated; by utilizing the reflective type Fresnel light condensation system, air is further heated in the chimney, part of heat is conducted to the salt water pool at the same time to improve temperature of salt water, and then evaporation is enhanced; and by utilizing a humidification-dehumidification seawater desalination scheme, seawater desalination is performed. Through adoption of a reflective type Fresnel light condensation lens, the radius of the heat-collecting shed cannot be too large, the height of the chimney also cannot be too high, multiple types of energy are fully recovered, and heat efficiency of the system is provided.

A solar chimney includes a solar collector which heats air in the chimney, producing updrafts which can be harnessed to perform useful work. The solar collector may be located inside or outside the chimney. The device may include a reservoir for storing a heat transfer fluid, thus enabling the device to be used during both day and night. The solar chimney may be equipped with both internal and external solar collectors, operating in parallel. The solar chimney may also be equipped with multiple external solar collectors, connected in parallel to a reservoir. The solar chimney of the invention provides a convenient and practical way to convert solar energy into electrical power.

A solar chimney includes a solar collector which heats air in the chimney, producing updrafts which can be harnessed to perform useful work. The solar collector may be located inside or outside the chimney. The device may include a reservoir for storing a heat transfer fluid, thus enabling the device to be used during both day and night. The solar chimney may be equipped with both internal and external solar collectors, operating in parallel. The solar chimney may also be equipped with multiple external solar collectors, connected in parallel to a reservoir. The solar chimney of the invention provides a convenient and practical way to convert solar energy into electrical power.

The invention relates to an oil recovering device, in particular to a water surface oil recovering device. The oil recovering device solves the problems that the traditional mechanical device has low recovery rate for a thin oil layer when recovering water surface floating oil, and emulsified oil and high-viscosity oil are difficult to scrape off during recovery. An oil recovering box is fixedly arranged on the side wall of a support bracket; an output shaft of a motor is in drive connection with a deoiling wheel shaft; an oil sucking wheel is installed on an oil sucking wheel shaft; the oil sucking wheel and a deoiling wheel are in drive connection by a deoiling belt; and a wind outlet of a solar air heat collector is communicated with a wind inlet of a transmitting flow guide heat insulating shield. The transmitting flow guide heat insulating shield is positioned above the deoiling wheel and communicated with a solar chimney. The second scheme is characterized in that the water surface oil recovering device is heated by an air heater; a flow guide blade is arranged in the transmitting flow guide heat insulating shield; and an angle between the flow guide blade and the wind outlet of the air heater is an acute angle. The third scheme is characterized in that the water surface oil recovering device is heated by the air heater, and a transmitting wind guide pipe is communicatedwith a plurality of branch pipes. The fourth scheme is characterized in that an electric heating component is installed in the deoiling wheel for heating. The water surface oil recovering device is used for water surface oil recovery.

Heated air rises in a long, diagonal chimney up the side of a mountain. The airflow in the chimney turns wind turbines. Air entering the chimney's feeder tubes is heated in stages, where each stage has its own solar concentration and thermal insulation needs. Water, water vapor and air can be preheated as they are shipped to a chimney's lower end. Both low heat for preheating and high heat can be stored for night electricity generation and for continuing the chimney's electric production during cloudy periods. A pressurized chimney or tube may be built with cables pulling the sides outward or holding the sides inward as needed, with separate air fairing and weather protection layers for the chimney or tube. Putting wind turbines in series in a chimney can lessen the air pressure stresses on the chimney's roof.Water vapor rising a considerable elevation in a diagonal chimney will condense, giving up latent heat to the chimney air as it produces distilled water or mountaintop snow. Artificial thunderstorm cells downwind from the chimney may be discouraged through a reduction in negative ions in the outgoing air and through thorough mixing of chimney air with the atmosphere at the chimney's top.

The utility model relates to a rapid fermentation device for straw fertilizer. The fermentation device has a number of divergent pipes. The divergent pipes are radially arranged on the circumference of the divergent pipe base. The divergent pipes are densely distributed with divergent holes. Install the pipe joint on the dissipating tube base to form a hot air dissipating device; install a hot air dissipating device at the bottom of the fermentation tank. The air outlet and the air outlet of the electric heating hot air device are connected. In the weather without sunshine, the electric heating hot air device is started, and the hot air generated by the electric heating hot air device is sent to the bottom of the fermentation tank through the three-way valve. The fermentation tank has straws and is covered with a fermentation tank cover.

The invention discloses a dust collection device of a grass cutter. The technical scheme realizing the dust collection device of the invention has the following key points: the dust collection device comprises a receiving hopper and a conveying belt between the receiving hopper and outlet of a cutting roller; an air chimney is arranged on a sealed casing above the conveying belt; and an exhaust fan is arranged in the air chimney. In comparison with the prior art, the dust collection device provided by the invention has the advantages of clean air of grass cutting processing environment, and less dust in feed grass.

A solar chimney power generation and photovoltaic power generation combined structure and a varied air duct control method belong to the technical field of solar power generation. The solar chimney power generation and photovoltaic power generation combined structure is characterized in that radiating fins are arranged below photovoltaic components, and a wind baffle plate assembly is arranged between a heat collection shelter and a heat absorption membrane. The control method is as follows: 1, setting initial values; 2, acquiring signals; 3, judging whether Vw exceeds V3, if so, executing the step 4, and otherwise, calling for MPPT (maximum power point tracking) and executing the step 6; 4, judging whether the system output power is larger than Pe, if so, executing the step 5, and otherwise, calling for MPPT and executing the step 6; 5, judging whether Vw exceeds Vo, if so, starting braking and executing the step 6, and otherwise, calling for MPPT and executing the step 6; 6, acquiring signals; 7, judging whether the component temperature signal is lower than Ts, if so, stopping the program, and otherwise, delaying acquiring the signals and executing the step 8; 8, judging whether the temperature difference exceeds Delta, if so, then T'=T-1, theta'=theta+Delta and executing the step9, and otherwise, T'=T+1, theta'=theta-Delta and executing the step 9; 9, judging whether T' is less than 1 minute, if so, T'=1, then executing the step 10, and otherwise, keeping T' unchanged and executing the step 10; and 10, judging whether theta is less than 45 degrees, if so, keeping theta unchanged and returning to the step 2, and otherwise, enabling theta to be 45 degrees and returning to the step 2.

The invention discloses a wall-roof type solar chimney experimental device, which relates to the fields of solar chimney and natural ventilation. The wall-roof type solar chimney experimental device comprises a model room (10) and the solar chimney, wherein an opening at one side of the model room (10) is connected with a solar chimney channel; the other side of the model room (10) is provided with an air inlet (24); a smoke generation device (9) is arranged in the model room (10); the solar chimney is composed of a vertical-section pipe section and an inclined-section pipe section; the vertical-section pipe section is composed of a vertical-section heating wall (6), vertical section side walls (7), flange grooves (8) and a movable wall (11), wherein two sides of the vertical-section heating wall (6) are fixedly connected with the vertical section side walls (7); the opposite surfaces of the vertical section side walls (7) at the two sides are provided with three flange grooves (8); and the movable wall (11) is inserted into any one of the three flange grooves to form a sealed chimney environment without cross sections. The wall-roof type solar chimney experimental device is provided with a width regulation device to regulate the width of the solar chimney so as to simulate the ventilation effect of the solar chimney under different widths.

A system for preparing fresh water by air and hydraulically generating electric energy, used to treat water, bittern, or industrial sewage, is composed of a solar heat collecting shed, a solar chimney on said shed, an indirect condensing unit on the top of said chimney, and a hydraulic turbogenerator set under said chimney. The water is forced to evaporate and the indirect heat exchanger is used to condense the wet and hot air to become fresh water. The fresh water stream can drive said turbogenerator.

The invention discloses a salt-water-electricity cogeneration system of a sun-tracking solar chimney and an operation method of the salt-water-electricity cogeneration system. The salt-water-electricity cogeneration system is characterized by comprising a heat collecting shed, the solar chimney arranged in the center of the heat collecting shed, and a wind driven generator arranged in the junction between the heat collecting shed and the solar chimney; a plurality of heliostats are arranged on the edge of the heat collecting shed. The salt-water-electricity cogeneration system and the operation method have the benefits that double advantages of the solar chimney and a solar tower are integrated, solar energy can be utilized through condensing coupling or non-concentrating coupling, the area of the heat collecting shed and the height of the solar chimney can be effectively reduced, various types of energy can be sufficiently recovered, and the heat efficiency of the salt-water-electricity cogeneration system is improved.

The invention discloses a passive heating and ventilation system for coupling a solar chimney and a separated type heat pipe. The passive heating and ventilation system is composed of four subsystemsincluding a passive solar house, the solar chimney, the separated type heat pipe and domestic hot water. The passive house is a two-storey or multi-storey building; the solar chimney includes a double-layer transparent glass cover plate, an air interlayer, a heavy wall, an air valve, an air inlet, an air outlet and a heat absorbing plate; and the separated heat pipe is composed of an evaporator, acondenser, a rising air pipe, a descending liquid pipe and a control valve. The passive heating and ventilation system can overcome the shortcomings that a traditional passive solar house heating andventilation system is single in function and low in efficiency, causes overheating in summer and the like, and has the advantages of the good heating and ventilation effect, the various functions, the large use range and the improvement of the indoor thermal environment. Heat can be dissipated to the outside in summer to prevent indoor overheating caused by the solar chimney, meanwhile, domestichot water is produced, and the heating effect can be maximized in winter.

The invention provides a multifunctional ventilating energy-saving window which comprises a window frame, inner layer glass and outer layer glass. A plurality of polarizing coatings with the same size are arranged on the end face of one side of each piece of the glass in a plated mode, the polarizing directions of the adjacent two polarizing coatings are perpendicular to each other, the number of the polarizing coatings on the inner layer glass is larger than the polarizing coatings on the outer layer glass by one, the inner layer glass can horizontally move along a sliding rail under the action of a transmission device, indoor shutters and outdoor shutters are arranged on the two end faces, located indoors and outdoors, of the upper portion and the lower portion of a frame body of the window frame respectively, and filter screens and anion generators are arranged in an upper cavity and a lower cavity of the frame body of the window frame. According to the multifunctional ventilating energy-saving window, the polarization theory in optics and the solar chimney theory are used for achieving the effects of adjusting indoor light ray intensity and natural ventilation, and meanwhile air entering a room can be purified.

The invention discloses an evaporation cooling ventilation air conditioner system for a data center based on a solar chimney. The system comprises an evaporation cooling unit arranged outside a data center machine room. The evaporation cooling unit is connected with the data center machine tool through a cold air conveying pipeline and an air return pipe, and the top of the data center machine room is further provided with an exhaust system. According to the evaporation cooling ventilation air conditioner system, since evaporation cooling has the characteristics of the large air amount, smallenthalpy difference, cooling and humidification, the way that a cold channel in the data center exhausts hot airflow out of the room is adopted, cold airflow and hot airflow can be completely isolated, and meanwhile humidity accumulation in the machine room can be avoided; in addition, the solar chimney is arranged, hot airflow in a hot channel can be directly exhausted out of the room through thesolar chimney, an exhaust fan is omitted, and the indoor airflow distribution mode is optimized; and the two factors are combined, renewable energy sources such as solar energy and outdoor environment dry air energy are sufficiently utilized, and energy consumption of a refrigeration system of the data center can be reduced to the minimum.