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◎ Science and Technology Daily reporter He Liang

On July 16, the reporter learned from the Three Gorges Group that the main project of the world's first "twin towers and one machine" solar and thermal energy storage power station has entered the debugging stage, and the engineering team is rushing for the construction period and striving to put into production by the end of this year.

The solar thermal energy storage power station is equipped with two adjacent heat absorption towers and shares a steam turbine generator. Nearly 30,000 heliostats are installed under the towers, and the lighting area reaches 800,000 square meters.

"The power station uses mirrors that track the rotation of the sun to concentrate sunlight into the heat absorption tower to heat the molten salt, thereby driving the steam turbine to generate electricity." said Wen Jianghong, manager of the Guazhou Solar Thermal Energy Storage Project of Three Gorges Group.

It is understood that the photothermal energy storage power station adopts a double tower and double mirror field design. The heliostat located in the middle area of the two mirror fields can serve any heat absorption tower and can improve the optical efficiency by about 24% under the same boundary conditions., and equipped with a 6-hour molten salt heat storage system, it has the characteristics of long heat storage time, fast response speed, stable output power, etc., and has better peak shaving performance.

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The world's first "twin towers and one machine" solar thermal energy storage power station is expected to be put into operation by the end of the year

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source: The picture in the Science and Technology Daily article is provided by Three Gorges Group

edit:Liu Yiyang

audit:Zhang Shuang

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