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China has launched the world's first 660 MW CFB steam power unit with a pressure of 29,3 MPa and a temperature of 605 °C, setting new global standards for efficiency and performance.
China has just set a new standard in the power generation sector with the successful completion of tests of the first circulating fluidized bed unit. (CFB) ultra-supercritical in the world, with a capacity of 660 MW.
The project is a global milestone and reinforces China's leadership in technological innovation in the energy sector.
The unit was developed by Harbin Electric Corporation (HEC) in collaboration with the Binchang Project, located in Shaanxi Province.
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The initiative has the endorsement of Ministry of Science and Technology and National Energy Administration from China, consolidating the country as a global pioneer in efficiency and sustainability in the sector.
Clean and efficient technology
The project features an ultra-parameter CFB boiler, a technology that is increasingly gaining relevance due to its advanced performance. Unlike traditional pulverized coal boilers, CFB boilers use fluidized bed materials, which create a dense and highly efficient thermal environment.
Materials are constantly recirculated between cyclone separators and external heat exchangers, ensuring optimal combustion and significantly reduced emissions.
According to studies, this process is more adaptable to different types of fuels, such as low calorific value coal, sludge and gangue.
Researchers also improved computational fluid dynamics (CFD) models to analyze the performance of CFB boilers. This allowed them to identify how particle distribution and fuel types impact temperature and thermal efficiency.
Unmatched thermal efficiency
The project's turbine is another highlight. Air-cooled and reverse-flow, it is a single-shaft type, with three cylinders and two exhaust fans.
With a main steam temperature of 605°C and reheat steam at 623°C, the turbine achieves thermal efficiency at levels never seen before in CFB boilers.
The generator also deserves a mention. Designed by HEC, it offers high wide-load efficiency, minimal vibration and exceptional performance even in challenging conditions such as peak shaving and leading phase operations.
The boiler operates at a main steam pressure of 29,3 MPa, a feat equivalent to the pressure exerted by four adults on a single section of pipe. This demonstrates not only the robustness of the design, but also the technological precision achieved.
Commitment to sustainability
Technological advancement also has a direct impact on China’s commitment to “carbon peak” and “carbon neutrality” goals.
Even with the rapid rise of renewable sources, fossil fuels will continue to play a strategic role in China's energy mix. Therefore, cleaner and more efficient technologies, such as CFB boilers, are essential to reduce emissions without compromising power generation.
The unit achieved a desulfurization rate of 95%, ensuring ultra-low emissions and contributing to a cleaner future.
Regional impact and industrial advancement
The completion of the first phase of the Binchang project also has a direct socio-economic impact. It is estimated that the facility will convert approximately two million tons of low-grade coal, sludge and gangue annually. In addition, it will utilize two million tons of mine water, transforming waste into an efficient source of heat and electricity.
The plant will provide 6 million GJ of heat, meeting the industrial steam and heating needs of Binzhou City. This will alleviate the power shortage in the region and strengthen the stability of the local power system.
The project also boosts regional industrial development and improves the quality of life of the local population.
Consolidated global leadership
Harbin Electric Corporation is responsible for the complete project—from boiler to the turbine and generator. The boiler, developed by Harbin Boiler Company, reflects remarkable progress in terms of emissions, energy consumption and operational efficiency.
According to HEC, this is the world's best CFB boiler technology, with its own intellectual property rights and entirely manufactured in China.
"Successful operation of 660 MW ultra-supercritical CFB boiler fills significant gap in global technology and paves the way for new advancements in power generation“, the company highlighted in a statement.
This milestone represents a significant leap forward for the industry, not only in China but internationally. The success of the Binchang project solidifies the country’s position as a global leader in advanced energy technologies and marks the beginning of a new era for large-scale CFB boilers.
