Do you Know the Consumption of Graphite Electrodes in the Steelmaking Process?

Jan. 11, 2021

As a Graphite Electrodes Solutions Supplier, I would like to share with you the consumption of graphite electrodes in the steelmaking process.

Graphite Electrodes

Graphite Electrodes

In the process of steelmaking, graphite electrodes will produce some consumption, which can be divided into normal consumption and extraordinary consumption. In normal consumption, there are three kinds of arc consumption, chemical consumption, and oxidation consumption. 

1. Arc consumption is again called evaporation consumption, because there will be a high temperature of up to 3000 ℃ between the electrode and the charge, and there will be continuous consumption of the graphite electrode, which accounts for about 40% of the normal consumption.

2. Chemical consumption refers to the reaction between the electrode and some impurity iron, calcium, and manganese oxides in the steel or the reaction with the iron in the molten steel. This consumption is directly related to the quality of the steel and the diameter of the graphite electrode. 

3. Oxidation consumption refers to the consumption caused by the reaction with oxygen in the process of steelmaking. It is related to the atmosphere, gas temperature and gas flow rate in the furnace. It is found in the normal consumption of 50%-60%, which is the largest consumption. 

4. Extreme consumption is the breakage of the machine when it is used.

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