It is understood that coking products, such as coke, benzene products, synthetic ammonia, chemical fertilizers, and various chemical gases, must be produced in the steel production process. According to news from the China Iron and Steel Association, the energy efficiency of steel production in China is currently only 30%, and the chemical gas produced by coking and chemical process has been widely used in steel production, and it has already accounted for 47% of the energy needed for steel production. . A chemical gas produced by a company with an annual output of 10 million tons of steel can replace the coal needed for a power plant with an annual output of 1.2 million kilowatts. While making full use of coking chemical products to create tens of billions of yuan in wealth, the steel industry has also reduced the amount of gas and solid waste emissions. But for a long time, these coking chemical products were only considered as by-products. With the increasing progress in steel production technology, the value of coking chemical products is increasing. In particular, with the concept of circular economy, coking chemical products have received attention from a strategic height and have been included in the first complete steel industry policy since the founding of the People's Republic of China.
The China Iron and Steel Association clearly stated that the development of coking chemical industry should be included in the scope of industrial development, and coking chemical industry and steel industry should be developed simultaneously. Luo Bingsheng, executive vice president of the China Iron and Steel Association, pointed out that although coking chemical industry is a subsidiary industry of the steel industry, coking chemical products have become an indispensable secondary energy source and a higher value-added product in the steel industry. Last year, the industry’s total sales revenue was more than 500 billion yuan, of which sales revenue from coking chemical industry reached nearly 30 billion yuan.
It is understood that in 2004, China’s steel production reached 272 million tons, ranking the first in the world for nine consecutive years. It is the sum of the steel output of Japan, the United States, and Russia that ranks from 2 to 4 places. However, in recent years, the development of China's steel industry has problems such as unreasonable production layout, low industrial concentration, outstanding product structure contradiction, weak technological innovation capability, and low level of production capacity. In the newly promulgated “Iron and Steel Industry Development Policyâ€, the steel industry clearly stated that it is necessary to vigorously develop the circular economy, which depends to a large extent on the development of coking chemical industry.
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