Vacuum Levitation Melting Furnace

Vacuum Levitation Melting Furnace

Widely used in titanium, zirconium, nickel, copper and other materials smelting purification, titanium alloy smelting and centrifugal casting; It can also be used for the refining of rare earth materials, refractory metals, semiconductor materials and radioactive materials.

Vacuum levitation melting furnace is under vacuum conditions to the smelting of metal or non-metal solid charge, formed by the induction coil of high frequency or frequency of alternating electric field, and by using cooled metal crucible as “shaped” of magnetic field, space, energy, magnetic energy to focus on crucible volume on the burden of the near surface to form a strong eddy current, on the one hand to release the joule heat melting furnace charge, on the other hand the melt suspension by lorentz force field (or suspended) and stir. Due to the effect of magnetic levitation melt and the inner wall of the crucible out of contact, between the melt and the crucible wall so heat behavior for radiation heat by conduction heat change, leading to the cooling speed reduction. Make melt can achieve very high temperature (1700 ℃ — 2000 ℃) for smelting high melting point metal or alloy.

Widely used in titanium, zirconium, nickel, copper and other materials smelting purification, titanium alloy smelting and centrifugal casting; It can also be used for the refining of rare earth materials, refractory metals, semiconductor materials and radioactive materials.

Features:

1. The suspension of the furnace charge during smelting can effectively prevent the pollution caused by the contact between the furnace material and the crucible wall. Suitable for obtaining high purity or extremely reactive metals and non-metallic materials.

2.By medium frequency induction coil or high frequency current to control the temperature of the melt and suspension, and thus may achieve good control ability, at the same time itself is a kind of non-contact induction heating method of heating mode, avoids using plasma beam, electron beam heating methods, such as to the impact of the crucible and metal solution and volatile. The water – cooling crucible induction melting method has special significance.

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