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Mao Xinping: in the“Double-carbon” background, the steel industry to improve energy efficiency is of great significance

"Promoting energy efficiency in the steel industry is an inherent requirement for industrial transformation and upgrading to achieve high-quality development, and an important way to reduce carbon emissions in the steel industry and achieve the goal of carbon neutrality." 

"The world now has a basic consensus on carbon neutrality." He said China faces great challenges in the face of the global trend of carbon neutrality. First, the carbon emission reduction time is short and the task is heavy. China's carbon emissions are large, accounting for 30% of the world's, but the time from carbon peak to carbon neutrality is only half of that of developed countries. The intensity of emission reduction is unprecedented and the speed is unprecedented. Second, economic transformation and upgrading are under great pressure. The traditional "three high and one low" industries (high input, high energy consumption, high pollution and low efficiency) still account for a high proportion. Third, it is difficult to transform the energy system. "One coal monopoly" seriously restricts the development of emission reduction. According to statistics, coal accounted for 58 percent of the country's energy consumption and 80 percent of total carbon dioxide emissions in 2019.

 "The Party's 20th National Congress also made it clear that we will actively yet prudently promote peak carbon neutrality. This sends two important messages: first, peak carbon neutrality must be taken seriously as a national strategy; The second is to stress prudent progress, in the process of promoting carbon peak carbon neutrality should fully consider the balance between the country's economic and social development." 'he said.

"Through technological progress, the steel industry has achieved remarkable results in green and low-carbon development."  In terms of emission reduction, over the past 30 years, carbon dioxide emissions per ton of steel have dropped from 3.87 tons to 1.89 tons, a decrease of about 51 percent. "It should be recognized that our steel industry faces many problems in the context of dual carbon." He pointed out that in addition to the challenges of a large total steel capacity, a process structure dominated by blast furnaces and converters, an energy structure dominated by coal, and a low concentration of the industry, the steel industry is now also facing challenges from downstream industries, namely the market's urgent demand for steel ecological materials.

He believes that low-carbon development will build a higher level of dynamic balance between supply and demand, optimize the structure of technological processes, promote the technological revolution of the industry, promote the intelligent upgrading of the industry, accelerate the promotion of multi-industry collaboration, and jointly promote environmental governance. It can be said that the process of achieving the goal of carbon neutrality is the process of comprehensively improving the technological innovation ability of the steel industry, the process of significantly improving the comprehensive competitiveness of the steel industry, and the process of moving from a steel power to a steel power.

 "At the top of the list is system energy efficiency." He explained that the energy efficiency improvement of the system is through the application of in-depth energy-saving technology and equipment upgrading, to achieve fine control of energy, waste heat and energy receivable, to achieve the ultimate energy efficiency of the whole system.

"Improving energy efficiency involves technological progress in the whole process of mining, beneficiation, iron making, steel making and steel rolling, and all-round technological innovation in process, equipment and intelligent manufacturing." 

 To achieve carbon neutrality in the steel industry is a systematic project, which requires a thorough and scientific plan of action and systematic work."