The World's First Pure-Hydrogen-for-Metallurgy Project in Operation
From：
Zhonglin International Group Date：01-19 1153 Belong to：Industry Related
On January 6, 2024, China Iron & Steel Research Institute Group (CISRI) independently developed and constructed the world's first pure hydrogen multi-stable shaft furnace demonstration project, which was officially put into operation in Lingang District, Linyi City, Shandong Province. This marks the first successful application of China's pure hydrogen shaft furnace project, marking a breakthrough in China's independent research and development of pure hydrogen metallurgy technology, as well as a technological leap from "rich hydrogen" metallurgy to "pure hydrogen" metallurgy, It is of great significance to promote China's steel industry to achieve high-level technological self-reliance and achieve the vision of carbon neutrality as soon as possible.
Currently, countries around the world are increasingly valuing environmental protection and increasing their efforts to research methods for reducing carbon dioxide emissions. At present, the method of using carbon as a reducing agent for blast furnace smelting is very mature, and the space for reducing carbon dioxide emissions is very limited. Therefore, many countries are studying the method of using hydrogen for smelting, especially in the European Union region, where steel companies are actively planning and constructing. Except for the HYBRIT project in Sweden for pilot testing, all other projects are in the planning and construction stage.
CISRI is the first to carry out key core technology research and development in pure hydrogen metallurgy in China. Zhang Shaoming, a member of the National Committee of the Chinese People's Political Consultative Conference, Secretary of the Party Committee and Chairman of China Steel Research Institute, submitted a proposal to strengthen the research and development of key hydrogen metallurgy technologies and promote the low-carbon goal of the steel industry at the fourth meeting of the 13th National Committee of the Chinese People's Political Consultative Conference, and received an excellent proposal. With the support of the National Development and Reform Commission's Greenization Project and the China Steel Research and Development Corporation's major special project, the company has successively developed green and clean production processes for pure hydrogen metallurgy, multi steady state system technology, high-quality oxidation pellet preparation process, modular key equipment technology, multi process intelligent collaborative optimization system technology, and hydrogen metallurgy multi physical field process simulation technology based on digital twins, breaking through the challenges of pure hydrogen high-temperature heating, safe and efficient reduction The technological bottlenecks of modular equipment and multi steady state systems have formed a pure hydrogen metallurgy process, control, safety, and intelligent process system. Through integrated demonstration, pure hydrogen metallurgy overall engineering technology has been formed, providing support for achieving China's "carbon neutrality" goal.
The demonstration project adopts the complete set of pure hydrogen vertical furnace technology independently developed and designed by China Steel Research Institute. The equipment localization rate has reached 100%, laying a good foundation for the large-scale industrial application of pure hydrogen metallurgy technology in China. Currently, the production capacity is 50000 tons. The project uses 99.5% hydrogen gas as the reducing gas, and the reduced metallized pellets are directly cooled with hydrogen gas in the furnace, greatly improving thermal efficiency. To ensure the utilization rate of hydrogen, self-developed specialized materials and heating systems are used to stabilize the hydrogen temperature at 1000 ℃. At present, it has been running smoothly for 300 hours, with a metallization rate exceeding 93%, meeting various continuous operation assessment indicators. The product can be further refined to prepare ultra clean and high-purity iron or ultra pure iron, which can be used as raw materials for the preparation of high-end special materials and electromagnetic materials, as well as as as as substrates for the preparation of high-end steel.
Looking ahead to the future, CISRI will work together with major domestic and foreign steel enterprises on the basis of the first demonstration project to build a "basic research technology innovation engineering transformation product upgrading" pure hydrogen metallurgy full industry chain innovation system, and build an internationally leading steel metallurgy green and high-end technology innovation and achievement transformation base, making steel research contributions to the high-quality development of the steel industry.
Currently, countries around the world are increasingly valuing environmental protection and increasing their efforts to research methods for reducing carbon dioxide emissions. At present, the method of using carbon as a reducing agent for blast furnace smelting is very mature, and the space for reducing carbon dioxide emissions is very limited. Therefore, many countries are studying the method of using hydrogen for smelting, especially in the European Union region, where steel companies are actively planning and constructing. Except for the HYBRIT project in Sweden for pilot testing, all other projects are in the planning and construction stage.
CISRI is the first to carry out key core technology research and development in pure hydrogen metallurgy in China. Zhang Shaoming, a member of the National Committee of the Chinese People's Political Consultative Conference, Secretary of the Party Committee and Chairman of China Steel Research Institute, submitted a proposal to strengthen the research and development of key hydrogen metallurgy technologies and promote the low-carbon goal of the steel industry at the fourth meeting of the 13th National Committee of the Chinese People's Political Consultative Conference, and received an excellent proposal. With the support of the National Development and Reform Commission's Greenization Project and the China Steel Research and Development Corporation's major special project, the company has successively developed green and clean production processes for pure hydrogen metallurgy, multi steady state system technology, high-quality oxidation pellet preparation process, modular key equipment technology, multi process intelligent collaborative optimization system technology, and hydrogen metallurgy multi physical field process simulation technology based on digital twins, breaking through the challenges of pure hydrogen high-temperature heating, safe and efficient reduction The technological bottlenecks of modular equipment and multi steady state systems have formed a pure hydrogen metallurgy process, control, safety, and intelligent process system. Through integrated demonstration, pure hydrogen metallurgy overall engineering technology has been formed, providing support for achieving China's "carbon neutrality" goal.
The demonstration project adopts the complete set of pure hydrogen vertical furnace technology independently developed and designed by China Steel Research Institute. The equipment localization rate has reached 100%, laying a good foundation for the large-scale industrial application of pure hydrogen metallurgy technology in China. Currently, the production capacity is 50000 tons. The project uses 99.5% hydrogen gas as the reducing gas, and the reduced metallized pellets are directly cooled with hydrogen gas in the furnace, greatly improving thermal efficiency. To ensure the utilization rate of hydrogen, self-developed specialized materials and heating systems are used to stabilize the hydrogen temperature at 1000 ℃. At present, it has been running smoothly for 300 hours, with a metallization rate exceeding 93%, meeting various continuous operation assessment indicators. The product can be further refined to prepare ultra clean and high-purity iron or ultra pure iron, which can be used as raw materials for the preparation of high-end special materials and electromagnetic materials, as well as as as as substrates for the preparation of high-end steel.
Looking ahead to the future, CISRI will work together with major domestic and foreign steel enterprises on the basis of the first demonstration project to build a "basic research technology innovation engineering transformation product upgrading" pure hydrogen metallurgy full industry chain innovation system, and build an internationally leading steel metallurgy green and high-end technology innovation and achievement transformation base, making steel research contributions to the high-quality development of the steel industry.
