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World's First 1.24 Million-KW Highly-Efficient Ultra Supercritical Coal-Fired Power Generation Project Completed

Updated: 2020-08-07

The No. 6 generator unit of the 2×1.24 million kW Huaxia Yangxi Power Plant in South China's Guangdong province recently passed a 168-hour full-load trial operation test, bringing a close to the project.

Designed by China Energy Engineering Group Guangzhou Electric Power Design Institute Co., Ltd of China Energy Engineering Group Co., Ltd. (Energy China Group) in Guangdong, the project was generally contracted by Guangdong Power Engineering Co., Ltd and Guangdong Electric Power Engineering Bureau Co., Ltd., subsidiaries of Energy China Group.

So far, the generator has the largest single-unit capacity at full speed and the highest steam parameter of its kind already in service in China. Unit coal consumption and pollutant emissions of the generator are also the lowest, making it a model green coal-fired project.

Guangzhou Electric Power Design Institute Co., Ltd innovatively used a line-shaped funnel layout to allow application of the highly-efficient turbine pedestal spring vibration isolation platen, non-motile dust removal, "pretreatment+TMF+STRO+DTRO" desulfurization wastewater treatment and treatment of the flue-gas joints.

An advanced three-dimensional collaborative design, an on-site bussing technique and internet technologies were also used to improve automated operation and management of the power plant.

The project meets the highest international requirements in respect to security, environmental protection and energy efficiency.

Moreover, it has complete proprietary intellectual property rights in parameters, volume and modular design and has obtained 28 patents.

The No. 5 unit of the plant completed the 168-hour trial operation at full load on July 7.

The operation of the plant is proof that China has stepped onto a new stage in design, manufacturing, construction and operation of large-capacity, high-parameter ultra super-critical power plants.

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A view of the 2×1.24 million kW Huaxia Yangxi Power Plant in South China's Guangdong province [Photo/sasac.gov.cn]



(Executive editor: Wang Ruoting)

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