12 results about "Solar chimney" patented technology

A hybrid solar chimney to provide energy gain, wherein at least one chimney (2) which the suction-draft process (vacuum effect) is created of the air whose density is reduced by the horizontal wing (11) and at least one greenhouse (3) to heat the air in the chimney (2).

The invention provides a substation cable trench solar chimney performance simulation method, a heat dissipation and dehumidification system and a substation, and the method comprises the steps: firstly obtaining the structural data of the substation, and determining the model information of a solar chimney according to the structural data; secondly, fluid numerical simulation is carried out according to the structural data and the model information, and the influence relation of each target parameter on the cable trench dehumidification effect is determined; verifying whether the influence relationship is accurate or not according to data measured by a transformer substation reduced scale experiment; and finally, when the influence relationship of each target parameter on the dehumidification effect is accurate, taking the influence relationship as a performance simulation result of the solar chimney. A solar chimney matched with the structure of a transformer substation is arranged, then numerical simulation is carried out, the influence relation between moisture flow in the transformer substation and the solar chimney and target parameters is solved after verification and serves as a simulation result, and therefore under which conditions, the solar chimney can be used for dehumidification, operation of a ventilation / dehumidification system is reduced, and the ventilation / dehumidification efficiency is improved. The operation cost is reduced.

This invention provides a small-scale seawater desalination device based on the Miura folding method and the solar chimney effect, comprising a seawater evaporation chamber, a heat collection shed, a chimney, and a condensate collection system. The heat collection shed is fixedly installed above the seawater evaporation chamber and covers the opening on the upper surface of the chamber. The heat collection shed is a flat plate structure with folds formed by the Miura folding method, and several Fresnel lenses are adhered to it. A ring-shaped chimney water collection trough is installed at the bottom of the chimney. The chimney is a tubular structure with folds formed by the Miura folding method. The condensate collection system includes a water collection hood and an auxiliary collection pipe. The water collection hood is installed at the top of the chimney and includes a shell, a fine condensate mesh, and a ring-shaped water collection trough. The auxiliary collection pipe connects to a drain hole on the chimney water collection trough. This invention improves solar thermal efficiency, seawater evaporation rate, and water vapor guiding efficiency.

The invention provides a ventilation structure and a ventilation method of a blockhouse in a plateau area. The ventilation structure of the blockhouse in the plateau area comprises the blockhouse, a solar chimney, an additional sunlight room and a heat collection and storage wall. The solar chimney is connected with a plurality of living rooms through the ventilation pipeline, the air flow path is optimized through the air caps and the air guide plates, and the ventilation efficiency and the dehumidification capacity are improved. The additional sunlight room and the heat collection and storage wall are communicated with the living room through a plurality of upper and lower air ports, and dynamic exchange of cold air and hot air is achieved by combining a partition plate and a control mechanism. In summer, cold air is introduced by opening the lower air port, and hot air is exhausted in cooperation with the chimney effect; in winter, the additional sunlight room utilizes solar energy to heat air, circulates and exchanges with the interior of a room, isolates cold air from entering the room, and achieves dynamic balance of indoor heat preservation and ventilation. The solar chimney and the additional sunlight room are matched with each other, so that the ventilation efficiency and the thermal comfort are improved, and an efficient ventilation scheme is provided for the plateau area blockhouse.

A solar chimney salt lake brine enrichment system and method, comprising a heat collection shed, a chimney, a base, a spraying device and a partition; the heat collection shed is arranged above the base, an opening is arranged at the center of the heat collection shed, the opening is connected with the chimney, and a plurality of spraying devices are arranged on the inner lower surface of the heat collection shed; the partition is arranged on the base, and the base is divided into a plurality of brine evaporation chambers by the partition; the heat collection shed and the partition are both filled with phase change materials. The whole is a solar chimney structure, which can utilize the chimney effect and the greenhouse effect to improve the evaporation rate of the salt field brine; meanwhile, the spraying devices are arranged in the chambers formed by the heat collection shed and the partition, independent atomization and concentration of the brine are realized, the brine contacts with the air in the form of droplets, the heat exchange efficiency is improved, and more importantly, the combination and use of the phase change materials and the spraying devices can weaken the interference of external climate change, so that the brine is concentrated according to the designed route, and the controllability of the quality of the refined salt is improved.

The invention provides a small seawater desalination device based on Miura folding and a solar chimney effect. The small seawater desalination device comprises a seawater evaporation chamber, a heat collection shed, a chimney and a condensation water collection system, the heat collection shed is fixedly mounted above the seawater evaporation chamber and covers an opening in the upper surface of the seawater evaporation chamber; the heat collecting shed is of a flat plate structure with creases formed through a Miura folding method, and a plurality of Fresnel lenses are bonded to the heat collecting shed. A circle of annular chimney water collecting tank is mounted at the bottom of the chimney; the chimney is of a tubular structure with creases formed by a Miura folding method; the condensation water collecting system comprises a water collecting cover and an auxiliary collecting pipe; the water collecting cover is installed on the top of the chimney and comprises a shell, a condensation fine net and an annular water collecting groove. And the auxiliary collecting pipe is communicated with a drain hole in the chimney water collecting tank. The solar heat collection efficiency, the seawater evaporation rate and the water vapor guide efficiency are improved.

A system for adjusting and controlling temperature of an intelligent new energy farmhouse integrated with tunnel wind and solar energy. The system includes a house, a solar chimney system, a solar power supply system and a tunnel wind system. The house includes walls and a sunroom is mounted on outside of one of the walls; the house is provided with detection module being connected to master control module; the solar chimney system includes first Venturi tube provided on top of the house and connected to solar chimney which extends longitudinally along inside of the one of the walls; the solar power supply system is provided on top of the house; and the tunnel wind system comprises a water cellar with duct assembly provided inside the water cellar, one end of the duct assembly is connected to forced draft system and the other end is connected to interior of the house.

The invention provides a method, a device and equipment for optimizing geometric parameters of a solar chimney and a medium. Relates to the technical field of design optimization. Comprising the steps of obtaining a plurality of groups of initial geometric parameters based on installation space limitation of a solar chimney in a target building; constructing a geometric parameter-indoor thermal comfort and geometric parameter-ventilation performance data set on the basis of analogue simulation of indoor thermal comfort and ventilation performance generated by applying each group of initial geometric parameters to the target building; training a pre-constructed neural network based on the two groups of data sets to obtain a first model for mapping the geometric parameters into indoor thermal comfort and a second model for mapping the geometric parameters into ventilation performance; and by taking the output maximization of the first model and the output maximization of the second model as optimization objectives, optimizing the geometric parameters of the solar chimney through a multi-objective optimization algorithm to obtain an optimization result. The nonlinear coupling relation between the geometric parameters and the multiple optimization targets can be accurately captured, and a better parameter result is obtained.

The application discloses a solar chimney and an automatic adjustment method and system of operation mode thereof and a storage medium, and the method comprises the following steps: collecting outdoor temperature T1, indoor temperature T2 and temperature T3 at a house air inlet; comparing the indoor temperature T1, the outdoor temperature T2, the temperature T3 at the house air inlet with preset temperature judgment parameters T A , B , C , D to determine the operation mode of the solar chimney; and outputting corresponding execution signals to an electric actuator according to the operation mode to control the opening or closing of a corresponding air valve, so that the automatic adjustment of the operation mode of the solar chimney is realized. According to the method, the opening or closing of the air inlet can be automatically controlled according to the indoor and outdoor temperature difference by collecting the indoor and outdoor temperatures and the temperature at the house air inlet, so that the errors in manual operation can be reduced, the living environment can be improved, and the comfort of living can be ensured.

The present invention discloses a solar chimney power generation system coupled with compressed air energy storage, which includes a solar thermal power generation unit and a compressed air energy storage unit, as well as an internal microgrid and an external power grid. The solar thermal power generation unit utilizes the turbine generator and thermoelectric conversion materials of the solar chimney to convert solar energy into electrical energy, and transmits the electrical energy to the internal microgrid. The compressed air energy storage unit utilizes a compressor unit driven by the internal microgrid or the external power grid to compress air and store it in a high-pressure air storage tank, and utilizes an expansion unit to release the compressed air and drive a generator to transmit the electrical energy to the external power grid. The system also utilizes an interstage cooler and an interstage reheater, as well as a cold storage tank and a heat storage tank, to regulate the temperature and pressure of the medium between the compressor unit and the expansion unit, thereby improving the efficiency and performance of the system. The system can improve the power fluctuation problem of the solar chimney power generation system and improve the power generation efficiency and stability.

Disclosed is a solar thermal turbine arranged at the centre of a chimney with a tangential inlet and provided with a Tesla valve.

The application provides a high-salinity wastewater resource recycling zero-emission device driven by solar energy and a use method thereof. The high-salinity wastewater resource recycling zero-emission device driven by solar energy comprises a first subsystem for primary concentration of wastewater, the first subsystem comprises a solar chimney and the like for controlling heat dissipation in the system, a pump and a pipeline are arranged below a saltwater pool, and are connected to a second subsystem for secondary concentration, and belongs to the technical field of industrial wastewater treatment processes. The application realizes comprehensive utilization of solar energy through photovoltaic-photothermal coupling technology, and deeply treats high-salinity wastewater. The integrated process of photovoltaic-photothermal, a solar chimney, interfacial evaporation, thin-film evaporation, cooling crystallization and electro-catalytic oxidation realizes efficient reuse of inorganic salts in high-salinity wastewater and zero emission of wastewater, and has the characteristics of low energy consumption, low treatment cost, advanced process and environmental protection.