SMM News: in recent years, under the action of environmental protection and limited production, blast furnace ironmaking continues to increase the amount of scrap steel, some enterprises blast furnace scrap amount has reached 300kg / ton. At the same time, the consumption of scrap steel in converter is also increasing, and converter is still the main body of scrap steel consumption. According to statistics, in 2018, the amount of scrap steel consumed by key statistical units in converters was 58.275 million tons, an increase of 13.0562 million tons over 2017. At present, the proportion of scrap steel used in converter is 9.38%, which has not reached the ideal state of 15% to 20%. There is still great potential for converter steelmaking to increase the amount of scrap steel.
Judging from the consumption of scrap steel by electric furnace, in 2018, the amount of scrap steel consumed by electric furnace in key statistical units was 16.5917 million tons, an increase of 2.3787 million tons over 2017. The output of EAF steel was 38.0237 million tons, an increase of 8.56% over 2017, accounting for 5.41% of the steel output of key statistical units (EAF steel ratio). The production cost of electric furnace is higher than that of converter. In the future, the electric furnace process should improve the technical level of secondary metallurgy (refining) and produce high, fine and pointed products in order to meet the demand of various industries for high quality steel and replace imports. In order to improve the stability of EAF steel quality, we should start with the quality stability of scrap steel and implement the fine material policy.
At present, China actually consumes more than 140 million tons of scrap steel every year. Due to the scope of statistics, the current statistics are on the low side. In addition, the production of social scrap is also increasing year by year. In 2018, China produced 78.3231 million tons of scrap steel, an increase of 15.3255 million tons over 2017. However, as 65 per cent of our steel is used for capital construction (housing and transportation) and the cycle of scrap returning to society is long, scrap production will not increase significantly in recent years. It is estimated that the amount of scrap steel resources in China will reach 209.6 million tons in 2020, 272.2 million tons in 2025 and 346 million tons in 2030.
At present, there are mainly four problems in China's scrap steel industry: first, the processing capacity of scrap steel processing standard enterprises accounts for only 30% of the total amount of social scrap steel, which is far from the demand of iron and steel industry; Second, the overall equipment level of scrap steel processing is on the low side, and a large number of disassembly lines such as waste cars have not yet been established; third, there is a lack of reliable classification statistical data of scrap steel resources and technical standards of scrap processing products. Fourth, the tax policy of scrap steel import and processing and distribution enterprises is not conducive to the recovery and utilization of scrap steel. Therefore, the scrap industry should aim at the above problems, improve the management level of scrap, implement fine management, scientific processing and classified sales, so as to meet the needs of all kinds of users.
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