What is lining of induction furnace?

What is lining of induction furnace?

The most commonly used lining material for induction furnace is acidic lining. It normally consists of high purity silica ramming mass. Silica ramming mass is used for melting carbon steels with carbon content higher than 0.1 %.

What is induction furnace in manufacturing process?

In the induction furnace, a coil carrying alternating electric current surrounds the container or chamber of metal. Eddy currents are induced in the metal (charge), the circulation of these currents producing extremely high temperatures for melting the metals and for making alloys of exact composition.

What is used to line furnaces?

Magnesium oxide is used to make linings for some furnaces. It is known as a refractory material – which just means that it is resistant to heat. Magnesium oxide has a high melting point (2852°C) and so resists the high temperatures in a furnace.

What is basic lining?

A lining for furnaces, converters, etc., formed of nonsiliceous material, usually limestone, dolomite, lime, magnesia, or ferrous oxide.

Which of the following can be used as a lining in the furnace to remove basic impurities?

Calcined dolomite is used to give a basic lining to a furnace.

What are the types of induction furnace?

Types of induction furnace

  • Core type induction furnace.
  • Vertical core type induction furnace.
  • Indirect core type induction furnace.
  • Core less induction furnace.

What is refractory process?

Refractory manufacturing involves four processes: raw material processing, forming, firing, and final processing. Firing involves heating the refractory material to high temperatures in a periodic (batch) or continuous tunnel kiln to form the ceramic bond that gives the product its refractory properties.

What is refractory example?

Examples of conducting refractories are SiC and ZrC, whereas examples of nonconducting refractories are silica and alumina. Insulating refractories include calcium silicate materials, kaolin, and zirconia. Insulating refractories are used to reduce the rate of heat loss through furnace walls.

Which of the following is a synonym for the word refractory?

Some common synonyms of refractory are headstrong, intractable, recalcitrant, ungovernable, unruly, and willful.

What are the significance of lining of refractory in a furnace?

A modern blast furnace (BF) is refractory lined to protect the furnace shell from the high temperatures and abrasive materials inside the furnace. The refractory lining is cooled to further enhance the protection against the dispatch of excess heat that can destroy the refractory lining.

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