Classification of steel converters and refractory materials required



1. Oxygen top blowing converter

Oxygen top-blowing converter is the most widely used one in steelmaking converters. It is to charge the main raw materials, namely molten iron and return to work, into the furnace, add limestone, fluorite and other auxiliary materials, and then pass the oxygen gun through the furnace mouth. A steelmaking method in which pure oxygen is blown into molten iron for smelting. The oxygen top-blowing converter has the advantages of not using foreign fuels, low equipment and production costs, high production efficiency, and fast construction speed. Therefore, it has been rapidly popularized and has become the main equipment for contemporary steelmaking.

2. Electric (arc) furnace

The steel-making electric (arc) furnace stone is first charged with scrap steel or reduced iron, and the furnace charge is melted by the electric arc generated between the charge and the electrode, and the refining operation is carried out under the condition that the electric arc continues to heat. The molten steel with the required composition and temperature is a kind of thermal equipment that converts electrical energy into heat to smelt metal. Electric (arc) furnace steelmaking has the advantages of using scrap steel as the main raw material, high temperature, capable of controlling the atmosphere in the furnace, and particularly suitable for smelting alloy steel.

3. Mixing furnace

The mixer is a thermal equipment for storing molten iron in the steelmaking workshop.

4. Mixed rail car

The iron mixer is also called a torpedo car because it resembles a fish. It is a kind of thermal equipment for storing and transporting molten iron from the blast furnace to the transfer workshop.

5. Iron furnace

The cupola (cupola) is one of the main thermal equipment in the foundry. It is used to melt pig iron lumps and overheat molten iron in order to obtain good quality molten iron.

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