3000ºC Induction Heated Vacuum Furnace with Option of Molten Salt Electrolysis- VMC3000

• Working Voltage: 460V AC +/- 10%, 50/ 60Hz, Three Phases (380VAC, 3phase available upon request)
• Working Current: 20~130 Amps 
• Max. Input Power: 70 KW
  
• Output Frequency: 5 - 20 kHz 
• Induction Coil: φ380 OD xφ364 ID x 120 H (mm)
• Protection: Automatic water pressure, over-temperature, and over-power protection
• Refractory Assembling: Complete refractory assembling made of graphite felt and alumina.

• IR temperature sensor 
• Digital controller with 30-segment programmable
• Overheating & thermocouple failure protection
• Max. working temperature: 3000ºC ( < 30 minutes)
• ±2 °C temperature accuracy.
• Recommended Heating Rate: 
• 10 ºC/ minute (1000ºC-2000ºC)
• 6 ºC/ minute (2000ºC~3000ºC)
• Optional: Eurothermo Controller with +/- 0.1ºC accuracy at an extra cost

 Vacuum Chamber

• The chamber is made of SS304 with a double-layer water-cooling jacket.
• Chamber size: OD Φ730 x IDφ700 x L 580mm
• One Φ35 mm window is installed on the top of the chamber for the IR sensor.
• One Φ120 mm window is installed on the front door of the chamber for observation
• .Gas inlet and outlet ports are built in with a gas flow meter 20 - 200 ml adjustable.
• Vacuum level: 10 -2 torr by a mechanical pump and 10-5 torr by a turbo pump

Graphite Crucible & Refractory Liners

• High Purity Graphite Crucible: 114 O.D. x 100 ID x 142H ( mm) ( ~1 L)  is included for induction heating.
• Max. melting capability: 4 kg for Iron (tested)
• The multi-layer special design refractory liner is included.
• Note: Graphite crucible is consumable, please click the picture on the left to order a spare

Pressure Gauge

• Anti-Corrosive Capacitance Diaphragm Gauge (Gas Independent), with a measurement range from 3.8 x 10E-5 to 1013 torr

Vacuum Pump

(Optional)

• One 156 L/m Rotary Vane Vacuum Pump is for a rough vacuum. 
• Turbopump is available upon request
• Anti-Corrosive Capacitance Diaphragm Gauge (Gas Independent), with a measurement range up to 3.8 x 10E-5 torr, is included with a mechanical pump

Water Chiller

(Optional)

• One recirculating water chiller is recommended 
• Cooling capacity >15 kW

• NRTL Certification is available upon request at an extra cost
• An isolated transformer will also be needed for UL certification

• 460-480VAC, 150A
• 100KW total power is required
• Other working voltage is also available upon request. 

 Ar gas purifier (optional)

• A passive argon gas purifier is optional. which can remove O2, CO2, H2O impurities to < 1 ppm
• Working pressure: < 1.0 MPa
• Gas flow rate: 4M3/h
• Automatic regeneration function is built in.
• Gas inlet and outlet port size: 1/4“
• Dimension; 420*580*1060mm 

 Electrodes feedthrough (optional)

• This furnace can be modified into a molten salt electrolysis furnace with an electrode feedthrough
• Two or three electrodes can be inserted into the heated crucible via the air-tight lifting fixture for noble or rare earth metal refining with a DC power supply