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Vacuum atomization experimental metal powder making equipment
2019111215194795
2019111215194795

Vacuum atomization experimental metal powder making equipment

The vacuum levitation melting gas atomization powder making equipment uses the principle of intermediate frequency induction heating to melt the metal material under vacuum conditions (or inert gas), and at the same time uses magnetic extrusion and stirring to push the liquid metal away from the water-cooled copper crucible, in a suspended state , To avoid the crucible pollution of liquid metal. After smelting, the liquid metal flows out through the nozzle at the bottom of the crucible, is atomized by the high-pressure gas and quickly solidifies into powder, which can better control the alloy composition.
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Principle and purpose:

The vacuum levitation melting gas atomization powder making equipment uses the principle of intermediate frequency induction heating to melt the metal material under vacuum conditions (or inert gas), and simultaneously uses magnetic extrusion and stirring to push the liquid metal away from the water-cooled copper crucible, in a suspended state , To avoid the crucible pollution of liquid metal. After smelting, the liquid metal flows out through the nozzle at the bottom of the crucible, is atomized by the high-pressure gas and quickly solidifies into powder, which can better control the alloy composition.

Features:

1. It can be used to prepare high purity refractory alloy powders such as pure titanium and various titanium alloys.

2. The powder ball prepared by the atomization method is high, the composition is not divided, and the oxygen ationist is low.

3. By adjusting the process parameters, the oxygen content and granularity of different alloy powders can be optimized.

4. Atomized high-pressure gas is in the two-phase flow state of supersonic gas, which can quickly reduce the powder temperature and obtain a better spherical degree.

5. The suspension melting of copper cold wall can avoid the pollution of molten metal caused by crucibles.

Product description
详情
Device parameters
Device parameters Copper cold wall crucible / ceramic crucible
Atomization form Micro compression, small expansion supersonic laminar flow atomization
Atomizing gas velocity 1.2Ma
Atomization efficiency 5-25Kg/min
Furnace weight 2-5Kg / 5~20Kg
Alloy feeding form Without breaking the vacuum, alloying elements and trace elements can be added arbitrarily
Power supply intermediate frequency power Copper cold wall crucible<250Kw / Ceramic crucible<50Kw
Infrared temperature measurement ≤3000℃ / ≤2000℃
Cooling water flow 30-60m³/h
Equipment size (3~5)X(3~5)X(4~6)m

 

Process parameters
Atomizing gas pressure 1.2~3MPa
Maximum melting temperature Copper cold wall<3200℃/ Ceramic crucible<1800℃
Atomizing gas flow 18-30m³/min
Powder temperature after atomization ≤60℃

 

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