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MTI  |  SKU: VMP-1750

Plasma-Assisted Melting Furnace for Metal Recovery from Oxide Slags - VMP-1750

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Plasma-Assisted Melting Furnace for Metal Recovery from Oxide Slags - VMP-1750

MTI

Overview

VMP-1750 is a customized furnace for recovering valuable metals from oxide slags. It combines induction heating and reverse-polarity transferred Arc Plasma together in a high vacuum chamber. The induction heating will melt slags in a graphite crucible, and water cold anode electrode will produce a high-temperature plasma to separate noble metals from oxide slag by electrolysis.

Specifications

Vacuum Chamber Stainless steel vacuum chamber ID Ø315 mm × 315 mm H
Water-cooled SS chamber for prolonged melting time <= 3 hrs.
Ø120 mm quartz observation window.
DN160 ISO-K port for connection with a turbo pump
KF40/25 port for connection with a rough pump
1/4" gas inlet and bleed valve as a gas outlet
Pressure safety relief valve @ 3 psig
Induction Heater 15KW (30-80Khz) Dual Station Bench Top Induction Heater with Timer Control & Temp Controller Port
Power input: 208-240V AC, 50/60 Hz, three phases, 50 A
One control panel adjusts the heating power output with automatic PID temperature control via C type thermal couple
IR temperature sensor is optional at extra cost if the working temperature is > 1800 °C
Two induction coils are included.
Coil 1: Ø72 OD × Ø62 ID × 80 H mm;
Coil 2: Ø102 OD × Ø92 ID × 100 H mm
Graphite Crucible Two graphite crucibles are included
Graphite crucible 1: Ø47 OD × Ø35 ID × 88 H mm; working volume ~70 ml (up to 400g Fe alloy)
Graphite crucible 2: Ø75 OD × Ø60 ID × 105 H mm; working volume ~250 ml (up to 1200g Fe alloy)
One water-cooled copper electrode is connected to the graphite crucible on the bottom as cathode.
Arc Generator and Electrode 208 - 240 VAC, 1ph, 50/60Hz, 7.3 kW included
DC output: 315A/22.6V @ 60% duty cycle
244A/20.0V @ 100% duty cycle (continuous operation)
The HF function is included for easy arcing without contact with slags.
One water-cold copper electrode is inserted into the vacuum chamber and connected to the arc generator as an anode for electrolysis
Vacuum Pump One 156 L/m Rotary Vane Vacuum Pump is included to achieve a 10-2 torr 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
One flowmeter 0- 1000ml is built in the gas line
Water Chiller One recirculating water chiller with a 58 L/minute flow rate is included
Temperature range: 5 - 30°C
Water Flow Rate: 58 L/min
Water Tank: 70 Liters made of stainless steel
Power 220VAC +/- 10%, three-phase, 7.1KW, 50/60 Hz
Compliance NRTL Certification is available upon request at an extra cost
An isolated transformer will also be needed for UL certification
Power requirement 220VAC +/-10%, a three-phase power panel is required
30 KW total power is required.

Warranty

One-Year limited warranty.

The One Year Limited Warranty does NOT cover:

  • Consumable parts, such as graphite dies, O-rings, crucibles, screws, washers, glassware, etc.
  • Any damage and rust resulting from improper storage or maintenance.
  • Any damages caused by the use of corrosive and acidic gases.
  • Any damage resulting from failing to adhere to the individual product's specific operation requirements, such as water cooling, venting, etc.
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