Another Weapon for National Strength: 15 MW Heavy-Duty Gas Turbine Goes Offline, Accelerating Domestic Production

Tech 2024-08-02 15:31:35 Source: Network

Another Weapon for National Strength: 15 MW Heavy-Duty Gas Turbine Goes Offline, Accelerating Domestic ProductionIn recent years, with the implementation of the national energy structure adjustment and green low-carbon development strategy, gas turbines, as efficient and clean energy conversion equipment, have become increasingly important. As the "crown jewel" of equipment manufacturing, the research and manufacture of heavy-duty gas turbines has always been an important indicator of a country's industrial level, and it is also related to national energy security and comprehensive competitiveness

Another Weapon for National Strength: 15 MW Heavy-Duty Gas Turbine Goes Offline, Accelerating Domestic Production

In recent years, with the implementation of the national energy structure adjustment and green low-carbon development strategy, gas turbines, as efficient and clean energy conversion equipment, have become increasingly important. As the "crown jewel" of equipment manufacturing, the research and manufacture of heavy-duty gas turbines has always been an important indicator of a country's industrial level, and it is also related to national energy security and comprehensive competitiveness. Recently, a 15 MW heavy-duty gas turbine (code-named "G15") independently developed by China Dongfang Electric Corporation was launched in Deyang, Sichuan, marking a new milestone in the development of China's heavy-duty gas turbine industry, and providing strong support for promoting energy transformation and achieving "dual carbon" goals.

"G15": Another Breakthrough in Domestic Heavy-Duty Gas Turbines

The successful launch of the "G15" is another major breakthrough in China's domestication of heavy-duty gas turbines, following the delivery of the first independently developed F-class 50 MW heavy-duty gas turbine by Dongfang Electric Corporation in 2022. As the most efficient thermal-electric conversion power generation equipment to date, heavy-duty gas turbines are known as the crown jewel of equipment manufacturing, and their design and manufacture are extremely difficult, having long been monopolized by international giants.

The development of the "G15" began in 2019 and, after four years of hard work, finally achieved a breakthrough from conceptual design to component manufacturing. The unit has a power output of 16.5 MW, a thermal efficiency of 35%, and a combined cycle power generation capacity of over 22,000 kWh per hour, which can meet the electricity demand of 2,500 households for one day. Compared with thermal power plants of the same power output, the "G15" can reduce carbon emissions by over 150,000 tons per year, demonstrating significant energy-saving and environmental protection advantages.

Advantages of "G15": Diversified Applications, Intelligent Manufacturing

The "G15" unit contains as many as 20,000 parts, is highly integrated, and is compact in size. It can be used not only for cogeneration, distributed energy, and offshore platform power generation, but can also be coupled with green low-carbon technologies such as photovoltaics and energy storage to build integrated energy applications for various miniaturized scenarios, providing multiple solutions for efficient energy utilization and clean production.

To improve integration accuracy, Dongfang Electric Corporation has integrated 5G, artificial intelligence, industrial big data, precision casting, supersonic flame spraying, 3D printing, and industrial robots to build nine intelligent manufacturing production lines for gas turbines, realizing digital and intelligent transformation from design, manufacturing to testing. This move not only improves production efficiency and product quality, but also lays a solid foundation for the future development of the gas turbine industry.

Accelerated Domestication: From Complete Machines to Core Components

The heavy-duty gas turbine industry chain is complex, involving multiple links, including materials, forgings, core components, and control systems. For a long time, China has faced "bottlenecks" in these key areas. With the successful launch of the "G15", progress in independent research and development of complete machines is accelerating the process of domestic replacement of key components.

In recent years, China has established a relatively complete industrial chain in gas turbine design and manufacturing, and has made breakthrough progress in the domestication of key components. For example, Wu Lin, from the Heavy-Duty Gas Turbine Equipment Research Institute of the National Key Laboratory of Dongfang Steam Turbine, said that among the many components of a heavy-duty gas turbine, hot-end components account for only about 10%, but their economic value accounts for about 30% to 40%. In recent years, domestication has been successful, and in 2022, the first independently developed F-class 50 MW heavy-duty gas turbine delivered by Dongfang Electric Corporation marked a breakthrough for China's heavy-duty gas turbine manufacturing. The recent launch of the "G15" shows that progress in independent research and development of complete machines is accelerating the process of domestic replacement of key components.

In addition to domestic replacement of the gas turbine itself, replacement of the control system, known as the "brain," is also crucial and a challenge that needs to be constantly overcome. Currently, China Huadian Corporation has made related breakthroughs in this area. Tang Cheng, deputy head of the Gas Turbine Management Office of the company's production technology department, said that in the future, the company will carry out pilot projects on the basis of the traditional control system models that have been successfully developed, and will also conduct technical research and development of new gas control systems, especially advanced control systems that use model algorithms.

Future Prospects: Continuous Efforts, Leading Industry Development

The successful launch of the "G15" not only marks a major breakthrough in China's heavy-duty gas turbine industry, but also points the way for future development.

Another Weapon for National Strength: 15 MW Heavy-Duty Gas Turbine Goes Offline, Accelerating Domestic Production

In the future, China will continue to make efforts in the development of 80 MW heavy-duty gas turbines, hydrogen-blending gas turbines, and pure hydrogen gas turbines, continuously improving gas turbine technology and moving towards high-end and specialized development. Based on the successful experience of the G50 and G15, Dongfang Electric Corporation will continue to promote the research and development of a series of independent gas turbines, accelerate the formation of a gas turbine spectrum, meet diverse application needs, contribute to the optimization and adjustment of China's energy structure, ensure China's autonomy and stability in the energy field, and further ensure national energy security.

The Future of the Gas Turbine Industry: Opportunities and Challenges Coexist

Against the backdrop of energy transformation, the gas turbine industry has ushered in new development opportunities. The 14th Five-Year Plan emphasizes the need to further promote gas turbine technology, move towards high-end and specialized development, and promote the domestication of gas turbines.

A recent research report released by CITIC Securities indicates that since 2021, the approval of gas power projects has accelerated significantly, the amount of projects under construction by energy operators has increased, and leading core equipment manufacturers are driving capacity expansion. Multidimensional data verify that the upcycle of the gas turbine manufacturing sector has begun. At the same time, the diversification of imported gas sources and the decline in natural gas prices will stimulate short-term and medium-term demand, while electricity market reform will pave the way for long-term development. The sustainability of this upcycle in the gas turbine sector is supported.

Based on this, the acceleration of domestication of gas turbines suggests focusing on core companies involved in key areas, including high-temperature alloys, castings and forgings, and complete equipment.

Conclusion

The successful launch of the "G15" marks a new milestone in the development of China's heavy-duty gas turbine industry, providing strong support for promoting energy transformation and achieving "dual carbon" goals. In the future, China will continue to increase investment in the gas turbine industry, continuously enhancing its independent innovation capabilities, promoting high-quality development of the gas turbine industry, and making greater contributions to achieving national energy security and sustainable economic and social development.

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