Vacuum Granulator

The vacuum granulator is used to produce high quality and homogenous master grains and alloy grains, starting from raw material molten by induction heating in a protective atmosphere, and then poured into a water tank passing through a multi-hollowed crucible that acts as flow breaker.

The vacuum granulator adopts fully vacuum and inert gas melting and granulating, the machine can automatically stir in melting and the finished products have no oxidization, producing equal particles, good color and good sphere.

The vacuum granulator is especially suitable for the easily oxidized metals and alloys.

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The vacuum granulator

Details of vacuum granulator

Parameter of vacuum granulator

Model number	SPB-VS5	SPB-VS10	SPB-VS20
Photo
Power source	Three phase 380V, 50/60Hz	Three phase 380V, 50/60Hz	Three phase 380V, 50/60Hz
Power	15 kw	15 kw	25kw
Casting system	Vacuum casting system	Vacuum casting system	Vacuum casting system
Applicable metal	Gold, K-Gold, Silver, Copper, Brass, Bronze, and their alloys	Gold, K-Gold, Silver, Copper, Brass, Bronze, and their alloys	Gold, K-Gold, Silver, Copper, Brass, Bronze, and their alloys
Melting time	5-6 min	5-6 min	5-6 min
The Max capacity	24K Gold: 5.0 kg 925 Silver: 2.5 kg	24K Gold: 10.0 kg 925 Silver: 5.0 kg	24K Gold: 20.0 kg 925 Silver: 10.0 kg
Max heating temperature	1600℃	1600℃	1600℃
Max. temp control k-type	1100℃	1100℃	1100℃
Casting chamber size	D275*H1100mm	D330*H840mm	D385*H1000mm
Dimension	7309351600mm	80010201700mm	85010501800mm
Weight	175KG	235KG	265KG
Protective gas	Argon	Argon	Argon
Vacuum pump (Optional)	63 m³/hour	63 m³/hour	63 m³/hour
Control of temperature	by PID	by PID	by PID
Accuracy of temperature	±2 degrees Celsius	±2 degrees Celsius	±2 degrees Celsius
Vacuum filter	Y	Y	Y
Vacuum leakage detector	Y	Y	Y
Casting chamber lift	Y	Y	Y

Features of vacuum granulator

Heating coil with low-voltage design, insulted heating, safe, and table.
The induction generator is designed to allow the homogenization of the alloy thanks to the stirring effect of the magnetic field which works while the metal is being melted in the crucible.
Water in the tank is continuously circulating and it is cooled by a powerful chiller to keep the process variables under control and obtaining consistency and quality in the produced grains.
Easy to get materials from granulating barrel and can supplement cooling water.
The finished products have no oxidization, producing equal particles, good color and good sphere.
The equipment is equipped with a water pump in the water tank. The vortex is generated by the water pump to keep the water flowing, which prevents the particles from sticking together during the granulation process and ensures the granules more independent.