600 °C ultra-supercritical thermal power unit steel pipe is a key core technology of China's steel industry, which saves a large number of coal-fired power generation users, while generating profits for the country nearly 10 billion yuan. Its birth marks that China has become a leading country in coal-fired power generation technology. Recently, the technology won the first prize of the National Science and Technology Progress Award.
The major scientific and technological achievements conquered by a number of domestic units, including Baosteel Group and China Steel Research Technology Group, centered on the scientific and technological development of the 600°C ultra-supercritical thermal power unit boiler tubes, and after 10 years, China's super The key boiler tubes of the supercritical fossil-fired power plant have historically spanned from scratch, from being to full, and from all-to-better. In the past 10 years, the domestic market share of domestic high-pressure boiler tubes adopting this advanced technology has jumped from 27% to 86%, and the foreign market share has jumped from zero to 25%. At the same time, it has successfully exported to Japan, Europe and the United States, and changed the world. Boiler pipe market structure. The project team has achieved sales revenue of 45.576 billion yuan, a profit of 9.751 billion yuan, a tax of 1.995 billion yuan, and an export value of 4.8 billion yuan.
It is understood that more than 80% of China's electricity comes from coal-fired power generation. For a long time, the steam parameters of our country's thermal power units have been low, resulting in low thermal efficiency, high coal consumption, and serious pollutant emissions. The "bottleneck" restricting the increase of steam parameters is the boiler tube of the thermal power unit. The 600°C ultra-supercritical unit is by far the most advanced commercial coal-fired power generation technology. At the beginning of this century, China began to develop this unit, but the key boiler tubes all depend on imports. Foreign technology monopolizes, the price is slightly higher, and the supply is not timely, threatening China's energy security .
Boiler pipes must be in service for a long period of time under high temperature, high pressure, and various corrosive environments. The research and development are difficult and the cycle is long. There are still many technical problems that need to be resolved in the use of key boiler tubes abroad in power stations around the world. Under this circumstance, the Ministry of Science and Technology established national key projects in 2003 and 2007 respectively, and organized related industry leading units to carry out joint technological research around 600°C ultra-supercritical boiler tubes and achieved major breakthroughs in various technical fields. So far, it has formulated the first international boiler steam corrosion evaluation industry standard, forming 80 patents (including 31 invention patents), and 38 enterprise technical secrets, revised two national standards, formulated two industrial standards, published monographs. 4 departments, published 134 papers.
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