soderberg / carbon electrode paste

Pubdate: 08-17 2021

Consumption analysis of soderberg / carbon electrode paste during steelmaking

soderberg / carbon electrode paste

In the steelmaking process, soderberg / carbon electrode paste will produce a certain amount of consumption, which can be divided into normal consumption and extraordinary consumption. In normal consumption, there are three types of consumption: arc consumption, chemical consumption and oxidation consumption. Although they cause the loss of soderberg / carbon electrode paste, they do it differently.

First of all, the arc consumption is also called evaporative consumption, because the soderberg / carbon electrode paste and the charge will generate a high temperature as high as 3000 ℃, soderberg / carbon electrode paste will continue to be consumed, accounting for about 40% of the normal consumption.

Secondly, chemical consumption refers to the reaction between soderberg/carbon electrode paste and certain impurities of iron, calcium and strong oxides in steel or iron in molten steel. This consumption is also directly related to the quality of the steel and the diameter of the soderberg / carbon electrode paste. Then the oxidation consumption refers to the consumption produced by the reaction with oxygen in the steelmaking process, and is related to the furnace atmosphere, gas temperature and gas flow. 50% ≤ 60% of normal consumption is found, which is the largest consumption. The last extreme consumption refers to the damage of the machine when it is used in the wear phase.


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