Vacuum Heat Treat Furnace and Levitation Induction Melting Furnace

Applications

Vacuum levitation melting furnace is a new furnace applying the method of electromagnetic induction vacuum levitation melting with water-cooled crucible. It is to place the melted metal or non-metallic solids in the high-frequency or intermediate frequency alternating electric field formed by the induction coil under vacuum conditions, and use the water-cooled metal crucible as the "energy collector" of the magnetic field, so that the energy magnetic field energy is concentrated in the volume space of the crucible, and then a strong eddy current is formed near the surface of the target melt materials.

On the one hand, Joule heat is released to the target melt material; on the other hand, Lorentz force field is formed to suspend (or semi suspend) and stir the target melt material. Due to the effect of magnetic levitation, the target melt material is separated from the inner wall of the crucible, so the heat dissipation behavior between the target melt material and the crucible wall changes from conduction heat dissipation to radiation heat dissipation, which leads to a reduction of heat dissipation rate. The target melt material can reach a very high temperature (1700 ℃ - 2000 ℃), which is suitable for smelting high melting point metals or their alloys. 

Detail & Parts

Advantages

• The suspension of target melt material during smelting will effectively prevent the pollution caused by the contact of the crucible wall. It is suitable for obtaining high purity or extremely active metal and non-metallic materials. 
• Moreover, the water-cooled crucible controls the temperature rise and suspension of the target melt material through the medium frequency or high frequency current of the induction coil, so it is possible to achieve a good control capability. 
• At the same time, the induction heating method itself is a non-contact heating method, which avoids the impact and volatilization of the crucible and metal solution caused by plasma beam, electron beam and other heating methods.

Technical specifications

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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