On the side of the Focheng Road in the Jiangning Development Zone in Nanjing, there is a tower. The 32-sided large mirror under the tower brushed the receiver facing the top of the tower to realize photoelectric conversion. This is the first tower solar thermal power generation demonstration project in China. Solar experts said that the cost of solar power may fall to 6 after 4 years. For the first time, if it was used, it would be cheaper than coal. Yesterday, the reporter visited the advanced project named "Oriental One".
The reporter saw that the large mirrors arranged neatly on one side of the project site, each mirror area of ​​22 square meters, consisting of 9 small square mirrors. Professionals told reporters that this is the "heliostat", which tracks the sun every moment and reflects the sunlight in a fixed direction.
Xu Ning, who is in charge of the project's technology, told reporters that it is necessary to adjust the angle of the heliostat through the computer to make all the heliostats reflect the sunlight onto the receiver to achieve the "focus" effect. When the power generation system is working, there will be a very bright spot on the receiver, that is, all the heliostats reflect the sunlight, which can heat the air temperature to 1000 degrees Celsius, and the high temperature pressurized air will make the gas machine The wheel rotates to drive the generator to generate electricity.
It is reported that China's tower-type solar thermal power generation system is only experimentally successful and has not yet been put into use. At present, the research and development expert group of the project is based on this system research, starting the trough solar thermal power generation project to prepare for the early establishment of a commercial megawatt solar power station. The characteristic of solar power generation is that the larger the scale, the lower the cost and the cheaper the electricity price. Solar experts said that after four years, the cost of solar power may drop to six cents, and ordinary people can use this new energy.
The reporter saw that the large mirrors arranged neatly on one side of the project site, each mirror area of ​​22 square meters, consisting of 9 small square mirrors. Professionals told reporters that this is the "heliostat", which tracks the sun every moment and reflects the sunlight in a fixed direction.
Xu Ning, who is in charge of the project's technology, told reporters that it is necessary to adjust the angle of the heliostat through the computer to make all the heliostats reflect the sunlight onto the receiver to achieve the "focus" effect. When the power generation system is working, there will be a very bright spot on the receiver, that is, all the heliostats reflect the sunlight, which can heat the air temperature to 1000 degrees Celsius, and the high temperature pressurized air will make the gas machine The wheel rotates to drive the generator to generate electricity.
It is reported that China's tower-type solar thermal power generation system is only experimentally successful and has not yet been put into use. At present, the research and development expert group of the project is based on this system research, starting the trough solar thermal power generation project to prepare for the early establishment of a commercial megawatt solar power station. The characteristic of solar power generation is that the larger the scale, the lower the cost and the cheaper the electricity price. Solar experts said that after four years, the cost of solar power may drop to six cents, and ordinary people can use this new energy.
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