An induction furnace is an electric furnace that uses the induction electric heating effect of materials to heat or melt materials. The main components of an induction furnace include the inductor, furnace body, power supply, capacitor, and control system.
The main components of an induction furnace include the inductor, furnace body, power supply, capacitor, and control system.
Under the action of the alternating electromagnetic field in the induction furnace, eddy currents are generated inside the material to achieve the effect of heating or melting. Under the stirring action of this alternating magnetic field, the composition and temperature of materials in the furnace are relatively uniform, the forging heating temperature can reach 1250 ℃, and the smelting temperature can reach 1650 ℃.
Induction Furnace Application:
In addition to heating or smelting in the atmosphere, the induction furnace can also be heated or smelted in vacuum, argon, neon and other protective atmospheres to meet the requirements of special quality.
Induction furnaces have outstanding advantages in the fields of diathermy or smelting soft magnetic alloys, high resistance alloys, platinum group alloys, heat-resistant, corrosion-resistant, wear-resistant alloys, and pure metals. An induction furnace is generally divided into an induction heating furnace and a smelting furnace.
An electric furnace uses the induction current generated by the induction coil to heat materials. If the metal material is heated, place it in a crucible made of refractory material. If nonmetallic materials are heated, put the materials in a graphite crucible.
When the AC frequency is increased, the induced current frequency is correspondingly increased, and the heat generated is increased. The induction furnace heats rapidly has a high temperature and is easy to operate and control. The materials are less polluted in the heating process, which can ensure product quality. It is mainly used for smelting special high-temperature materials, and can also be used as heating and control equipment for growing single crystals from melts.
A smelting furnace is divided into cored induction furnace and a coreless induction furnace.
Cored Induction Furnace Application
The cored induction furnace has an iron core passing through the inductor and is powered by a power frequency power supply. It is mainly used for smelting and heat preservation of various cast iron, brass, bronze, zinc, and other metals. Its electrical efficiency is more than 90%. It can use waste furnace materials and has low smelting costs. The maximum furnace capacity is 270 tons.
Coreless Induction Furnace Application:
The coreless induction furnace has no iron core passing through the inductor, which is divided into power frequency induction furnace, triple frequency induction furnace, generator set medium frequency induction furnace, silicon controlled medium frequency induction furnace, and high-frequency induction furnace.
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