Application of refractory material in induction furnace

Posted by ariel li on July 20th, 2017

The quality and performance of medium frequency induction furnace lining refractory materials have a significant impact on the service life of medium frequency induction furnace.

When the induction coil is energized, it generates a large electromagnetic field and make the Medium frequency induction furnace raw materials refractory materials for sale produce a large eddy current, resulting in raw material heating, heating and melting. The raw material is added by adding a metallurgical material such as an iron alloy, melting into the required composition and quality of steel, and cast into cast parts.


General induction furnace is relatively small, mainly used to smelting some of the precision castings steel. In recent years has also used it to smelting stainless steel. The refractory material for induction furnace used for medium frequency induction furnace is simple, generally are knot material. For the melting of the cast iron induction furnace generally use quartz quality knot material with the cheaper price, refractory brick china the service life is from 20 to 40 furnace times. When smelting some gradual progress steel, the smelting temperature is high, smelting conditions are also more bad, quartz quality knotting material greatly reduced the service life, has been unable to meet the requirements. At this time with magnesia, aluminum magnesia, magnesia-chrome dry knot material, but also the use of silicon-based ramming material, there are some induction furnace used to do the ready-made crucible.

That is, to open the induction furnace, ladle brick the good crucible placed in the induction furnace, the crucible and the gap between the induction coil with dry knot material to fight the real, this method is easy to replace, can improve the utilization of equipment.

This refractory suppliers crucible is typically cast with refractory castables similar to the chemical composition of dry kneading materials and is hardened and dried. The service life of high-quality alkaline dry ramming material or corundum spinel stone ramming material can reach more than 70 times.


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