Green development is an intrinsic requirement for high-quality development, and the steel industry is an important area for achieving green and low-carbon development. On December 25, at the "Beijing-Tianjin-Hebei Green Development Conference", Fan Tiejun, president of the Metallurgical Industry Planning and Research Institute, believed that in recent years, the pace of low-carbon technology innovation in China's iron and steel industry has been accelerating from "exploration" to "practice". Iron and steel enterprises have accelerated the adjustment of the raw fuel structure by applying typical technologies such as large-scale blast furnace ultra-high proportion pellet smelting and blast furnace hydrogen-rich smeltingThrough the application of typical technologies such as green and efficient smelting of electric furnaces, direct reduction of hydrogen shaft furnaces, and hydrogen-based melting reduction of ironmaking, the adjustment of process structure is acceleratedThrough the application of typical technologies such as top gas circulating oxygen blast furnace smelting, the process structure adjustment is acceleratedThrough the application of typical technologies such as carbon sequestration and steel co-production, we have accelerated the promotion of industrial synergy, and made positive progress and remarkable results in the field of low-carbon steel technology.
The iron and steel industry has always been the mainstay of the country's economic construction, and the large quantity and high price of steel products have supported the rapid development of China's industrialization and urbanization, and promoted the national economy to maintain medium and high-speed growth and build a well-off society in an all-round way. Fan Tiejun said that the rich variety and reliable performance of steel products will support the coordinated development of China's new industrialization, informatization, urbanization and agricultural modernization, and help build a modern socialist country. Moreover, steel is the most green and low-carbon competitive basic material, with better environmental harmony, can be recycled indefinitely, and its output ranks first in the world's metal production. After exploration, steady development and accelerated development, China's iron and steel industry has now entered a stage of comprehensive development, showing a trend of high-quality development.
In recent years, the development of China's iron and steel industry has made remarkable achievements. In terms of high-end, breakthroughs have been made in the problem of short board materials, the proportion of production and application of high-performance steel has increased significantly, and the number of first products has been increasing. In terms of intelligence, iron and steel enterprises have introduced intelligent equipment to achieve 3D job substitution;Use big data, artificial intelligence and other technologies to achieve intelligent decision-making;And build a lighthouse factory to lead the digital intelligence steel. In terms of greening, China's iron and steel industry implements the world's most stringent environmental protection emission standards, accelerates ultra-low emission transformation with high standards, does a solid job in pollutant emission reduction and governance, and carries out in-depth energy-saving transformation, so as to promote carbon peak and carbon neutrality in a steady and orderly manner. From the analysis of international trends, the global response to climate change has become the focus of attention of the international community. In order to actively respond to the impact of the introduction of the EU's Carbon Border Adjustment Mechanism (CBAM) and better meet the new demand for "green steel and low-carbon steel" put forward by downstream steel manufacturers, the low-carbon transformation of China's steel industry is imperative. From the analysis of national policy guidance, China adheres to the principle of establishing first and then breaking down, systematically promoting low-carbon transformation, and promoting the gradual shift from dual control of energy consumption to dual control of carbon emissions. At present, China's iron and steel industry is still facing a series of severe challenges such as weak carbon management foundation, difficult carbon control, and high carbon reduction costs.
According to Fan Tiejun's analysis, the pace of low-carbon development of China's iron and steel enterprises is also accelerating, and the "5+1" low-carbon transformation path is scientifically formulated and accelerated to implement the action plan. In terms of promoting green layout, we will strive to optimize the industrial layout, increase green logistics, and promote green products throughout the life cycleIn terms of energy conservation and energy efficiency, efforts will be made to promote advanced and applicable energy-saving technologies, increase the self-generation rate of waste heat and energy, and accelerate the application of digital and intelligent technologiesIn terms of optimizing energy consumption and process structure, we will strive to optimize the structure of raw fuels, increase the utilization of scrap steel resources, and develop new and renewable energyIn terms of building a circular economy industrial chain, efforts will be made to integrate regional energy, strengthen the resource utilization of solid waste, and promote the co-production of steelIn terms of the application of breakthrough low-carbon technologies, efforts will be made to promote the application of technologies such as blast furnace low-carbon smelting technology, non-blast furnace ironmaking technology, and carbon capture, utilization and storage technologyIn terms of institutional construction and policy system support, efforts will be made to further strengthen carbon emission reduction targets, carbon markets, standard systems, technological innovation, climate investment and financing, and capacity building.
Green and low-carbon, standard-led, improved industrial concentration, digitalization and intelligence will achieve four-dimensional support for the high-quality development of the steel industry. In view of the recent green development of the iron and steel industry, Zhang Longqiang, Secretary of the Party Committee and President of the Metallurgical Industry Information Standards Research Institute, put forward three suggestions.
The first is to ensure survival, in terms of ultra-low emissions, the Beijing-Tianjin-Hebei iron and steel enterprises need to complete the transformation, and at the same time meet the new version of the atmosphere ten, PM25 down 20% requirements;In terms of energy efficiency improvement, by 2025, the number of enterprises with energy efficiency below the benchmark level will be eliminated, and the energy efficiency level will need to be vigorously improved. The second is to promote upgrading, and actively participate in green manufacturing, green design products, green factories, green industrial parks and green chain evaluation standard system;Actively participate in the formulation and revision of national standards and international standards, and enhance the right to speak on green and low-carbon and intelligent manufacturing standards for steel. The third is to seek development, develop green steel, make full use of the green energy advantages of offshore wind power around the Bohai Sea, lay out and develop zero-carbon steel bases in a timely manner, and establish green development advantagesEnhance carbon storage capacity, assess the current status of carbon assets, fully tap the potential of carbon assets, plan carbon assets in advance, and improve the ability to respond to carbon tariffs.
In fact, in recent years, China's steel industry has closely focused on the national "double carbon" goal, researched and formulated low-carbon technology paths, and promoted low-carbon transformation in a solid and orderly manner. Among them, low-carbon technologies are mainly divided into three categories: carbon-free technologies, carbon-reduction technologies, and decarbonization technologies. At this stage, China's iron and steel industry should accelerate the promotion of energy efficiency improvement, energy structure optimization and other carbon reduction technologiesCarry out carbon-free technologies such as new energy and renewable energy utilization according to local conditions, as well as decarbonization technologies such as carbon fixation and tempering co-production;Focus on R&D and demonstration of carbon reduction technologies such as advanced low-carbon metallurgy, as well as decarbonization technologies such as CCUS (carbon capture, utilization and storage technology) and DAC (direct air carbon capture technology). （Meng Fanjun
Review: Yu Zaozao.
Editor-in-charge: Huo Yue.
Editor: Hu Na.