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INVENTION
Russian Federation Patent RU2013656
POWER PLANT
Name of the inventor: Yury Belyayev
The name of the patentee: Belyaev Yuri Mikhailovich
Address for correspondence:
Starting date of the patent: 1987.12.03
Usage: in devices for converting solar energy into electricity. The inventive power plant comprises a duct coated with a transparent collector and placed therein solar radiation absorbing substrate 3 positioned at the focus of concentrating elements 4, 5 the heated element in contact with the bottom surface of the substrate, and an air turbine. Concentrating elements 4 are transparent coated substrate from the duct 3 is provided with ribs 9, and the heated element 5 is designed as a heat accumulator. Furthermore, the installation includes thermocouples 10, hot junctions which are heatable elements and are located in the cold stream of cold air.
DESCRIPTION OF THE INVENTION
The invention is designed to convert solar energy into electrical energy and can be used in the construction of power plants.
Power plant is known which comprises a transparent collector duct, turbine and solar concentrators located under the transparent cover.
Disadvantages of this installation: low efficiency, that is, to the hubs are arranged so that impede the free movement of airflow functional use concentrators air heating, the heating temperature is small, there is no solar accumulator (thermal) energy...
The closest to the claimed number of common features for a power plant, comprising a duct, a manifold with a transparent covering and placed therein the absorbent substrate located in the focal plane of concentrating elements, heated member in contact with the bottom surface of the substrate, and an air turbine.
However, this installation and low efficiency of the solar energy concentrator as the incident radiation is converted to a limited angle on a small area, heat accumulators have no additional solar energy converters.
The purpose of the present invention - increase the use of solar energy.
This object is achieved in that in a power plant comprising a duct, a manifold with a transparent covering and placed therein absorbing solar radiation substrate situated in the focus of the concentrating elements, heated member in contact with the lower surface of the substrate, and an air turbine concentrating elements serve clearcoat and the substrate is provided with ribs. Thus heatable element may be formed as a heat accumulator. The installation may further comprise thermocouples, the hot junctions which are heatable element, and arranged in the cold stream of cold air.
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FIG. 1 schematically shows a power plant, placed on the slope; FIG. 2 and 3 and concentrating elements accumulating unit; FIG. 4 and 5 - form of concentrating elements clearcoat collector at a central location of the duct.
The letters in the drawings are indicated: C - air flow direction; And - the direction of the solar radiation.
The power plant comprises a collector 1 with the transparent cover 2 and absorbing solar radiation substrate 3. Transparent cover 2 is in the form of concentrating elements 4, the focus of which is placed the substrate 3, contacting the lower part with heating element 5. In this case, the heated element can be formed as a teploakkuumulyatora, for example in the form of tubes 6 with the coolant.
1 communicates with a collector duct 7 in the upper part of which is placed an air turbine 8.
When the substrate 3 is provided with ribs 9, providing intensive heat transfer from the substrate to the air flow. To make more efficient use of solar energy plant can be provided with thermocouples 10, hot junctions which are heated by element 5, and cold junctions are located in a stream of cold air.
Works setting follows. Solar radiation and directs concentrating elements 4 a transparent coating on the substrate 2 3. Part of the radiation is absorbed by the air, but most of it is absorbed by the proportion of the substrate 3. Next, on the substrate 3 by the thermal energy of the ribs 9 is partially on the radiation-convective heat exchange with the air volume, and some may go on heating of the material volume element 5 (FIG. 2). By concentrating solar radiation on the substrate 3, the temperature may reach high values (more than 100 ° C). Due to the problems under the coating temperature and pressure fluctuations on the duct 2 and the outlet 7 is formed with the upward movement of the air at high speed (up to 70 m / s) in the duct 7 (FIG. 1), wherein upon exposure to the turbine 8 generates electricity. Airflow helps while cooling the cold junctions of thermocouples 10, which heats the hot junctions on a substrate 3, so get extra energy. At night and in the winter the air is heated by the heat from the battery (Fig. 2) or with the coolant pipe 6 (Fig. 3). If necessary, installation can be operated as a heat collector. The intensive heat radiation substrate and the described installation the temperature and power achieved is much higher than that of analogues and the prototype there ppichem hubs performing the function of the coating, prevent heat losses, which increases the efficiency of the plant.
The described installation can be used both in the creation of low-power installations, and large hot air power (tens or hundreds of megawatts). Due to a very low electricity cost and environmental safety such power plant (power plant) can now successfully compete with nuclear power plants and thermal power plants.
CLAIM
1. The power plant comprising a duct with a transparent coating and substrate absorbing the solar radiation, positioned in the focus of the concentrating elements, heated member in contact with the bottom surface of the substrate, wherein the concentrating elements serve transparent coating and substrate by the duct is provided with ribs.
2. Installation according to Claim. 1, characterized in that the heated element is a heat accumulator.
3. Installation according to Claim. 1, characterized in that it further comprises thermocouples, the hot junctions which are heatable element, and arranged in the cold stream of cold air.
print version
Publication date 26.03.2007gg
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