Ultra High Temperature Induction Heated Vacuum Furnace with Molten Salt Electrolysis Capability and 3000 Degree Precision Control

Vacuum Induction Melting Furnace

Ultra High Temperature Induction Heated Vacuum Furnace with Molten Salt Electrolysis Capability and 3000 Degree Precision Control

Item Number: TU-RL18

Maximum Operating Temperature: 3000ºC Max. Induction Input Power: 70 KW Ultimate Vacuum Level: 10^-5 torr (with optional Turbo Pump)
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Product Overview

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This ultra-high temperature thermal processing system represents the pinnacle of material science engineering, capable of reaching sustained operating temperatures of 3000ºC. By utilizing advanced induction heating technology within a controlled vacuum or inert gas environment, the equipment provides an unparalleled environment for the graphitization of carbon fibers and the sintering of high-performance ceramic materials. Its design prioritizes thermal uniformity and rapid response, ensuring that critical research and production processes can be executed with absolute repeatability.

Targeting high-end industrial R&D and metallurgical laboratories, this unit is engineered to bridge the gap between experimental development and pilot-scale production. It is particularly suited for industries involved in aerospace, advanced electronics, and nuclear materials, where extreme thermal conditions are a prerequisite for structural integrity and chemical purity. The system is designed for high-duty cycles, providing the reliability required for intensive thermal protocols while maintaining a focus on operator safety and equipment longevity.

Confidence in performance is built into every component of this system. From the robust stainless steel vacuum chamber to the precision-tuned induction frequency controller, the unit is manufactured to withstand the extreme stresses of near-plasma temperatures. Industrial procurement teams can rely on this equipment to deliver consistent results under demanding conditions, supported by integrated protection systems that monitor water pressure, temperature thresholds, and power delivery in real-time.

Key Features

  • Ultra-High Temperature Precision: The system achieves a peak operating temperature of 3000ºC, supported by a 30-segment programmable digital controller and IR sensor for stable thermal management at scales beyond conventional resistive heating capabilities.
  • High-Frequency Induction Technology: Utilizing a 70 kW induction power supply with an output frequency of 5 - 20 kHz, the equipment ensures efficient and rapid energy transfer directly to the graphite crucible, minimizing heat loss and maximizing thermal ramp rates.
  • Integrated Molten Salt Electrolysis: An optional feedthrough flange allows for the installation of electrodes, transforming the unit into a high-temperature electrolysis furnace for the refining of rare earth and noble metals.
  • Robust Vacuum Engineering: The double-layered SS304 water-cooled jacketed chamber supports high vacuum levels down to 10^-2 torr with the included rotary pump, with options for turbo-molecular pumps to reach 10^-5 torr.
  • Advanced Safety Protection: Automatic interlocks for water pressure, over-temperature, and over-power ensure that the system remains protected against operational fluctuations, safeguarding both the equipment and the experimental samples.
  • Precision Atmosphere Control: Integrated gas inlet and outlet ports with adjustable flow meters (20-200 ml) allow for precise atmospheric modification using argon or other inert gases for sensitive processes.
  • Efficient Cooling System: A high-capacity 7.1kW recirculating water chiller with a 117L/minute flow rate is integrated to manage thermal loads, ensuring the vacuum chamber and induction coils remain within safe operating limits during prolonged high-temp cycles.
  • Premium Refractory Assembly: The internal chamber is lined with a multi-layer assembly of graphite felt and alumina, specifically designed to withstand extreme thermal gradients while providing superior insulation.
  • Scalable Performance: The unit supports high-purity graphite crucibles with a 1L capacity (up to 4kg iron melting capability), making it ideal for both high-value material synthesis and specialized metallurgical testing.

Applications

Application Description Key Benefit
Carbon Fiber Graphitization High-temperature treatment of carbon precursors to improve molecular alignment and conductivity. Enhanced structural integrity and electrical properties of finished fibers.
Ceramic Sintering Consolidation of advanced technical ceramics (e.g., Boron Carbide, Silicon Carbide) at temperatures exceeding 2500ºC. Achieving near-theoretical density and exceptional hardness in technical parts.
Molten Salt Electrolysis Extraction and refining of rare earth elements or reactive metals using high-temperature molten salt baths. High-purity metal recovery and efficient electrochemical processing.
Vacuum Induction Melting Melting and alloying of high-purity metals or reactive alloys in a vacuum to prevent oxidation. Minimal contamination and precise control over alloy composition.
Graphite Purification Removal of trace impurities from graphite components through high-temperature vaporization. Production of ultra-high purity graphite for semiconductor and nuclear use.
Aerospace Materials R&D Testing of thermal protection systems and high-temperature composite materials for space re-entry. Realistic simulation of extreme environmental conditions.
Nuclear Fuel Research Synthesis and characterization of refractory materials for next-generation fission or fusion reactors. Stable performance under extreme thermal and chemical stresses.

Technical Specifications

Model: TU-RL18 - Core System Parameters

Parameter Specifications
Max. Working Temperature 3000ºC (duration < 30 minutes)
Temperature Accuracy +/- 2 ºC (Optional Eurotherm +/- 0.1ºC)
Recommended Heating Rate 10 ºC/min (1000-2000ºC); 6 ºC/min (2000-3000ºC)
Temperature Sensor Infrared (IR) temperature sensor
Temperature Controller Digital, 30-segment programmable with overheat protection

TU-RL18 - Induction Power & Heating

Component Specification
Input Voltage 460V AC +/- 10%, 50/ 60Hz, Three Phase (380V Optional)
Max. Input Power 70 KW (100KW total system power required)
Working Current 20 ~ 130 Amps
Output Frequency 5 - 20 kHz
Induction Coil Dimensions φ380 OD x φ364 ID x 120 H (mm)
Refractory Material Graphite felt and Alumina assembling

TU-RL18 - Vacuum and Chamber Design

Feature Specification
Chamber Material SS304 Stainless Steel with double-layer water cooling jacket
Chamber Dimensions OD Φ730 x ID φ700 x L 580 mm
Vacuum Pump 156 L/m Rotary Vane Pump (Included)
Vacuum Level 10^-2 torr (Rotary); 10^-5 torr (Optional Turbo Pump)
Observation Ports Φ35 mm (Top for IR); Φ120 mm (Front for observation)
Atmosphere Control Built-in gas flow meter (20 - 200 ml/min)

TU-RL18 - Crucible and Refractory Liners

Item Specification
Graphite Crucible Size 114 O.D. x 100 ID x 142H (mm) (~1 Liter)
Melting Capability Tested up to 4 kg Iron
Liner Type Multi-layer special design refractory liner

TU-RL18 - Cooling and Environmental

Unit Specification
Water Chiller Flow Rate 117 L/minute
Chiller Power 220VAC, 3-phase, 7.1KW
Water Tank Capacity 70 Liters (Stainless Steel)
Gas Purifier (Optional) Removes O2, CO2, H2O to < 1 ppm; 4M3/h flow
Electrode Feedthrough Optional lifting fixture for 2-3 electrodes

Why Choose High Temperature Induction Heated Vacuum Furnace

  • Unmatched Thermal Performance: This furnace is one of the few systems in its class capable of reliable 3000ºC operation, offering a significant competitive advantage for researchers working on advanced carbon and ceramic materials.
  • Multi-Process Versatility: The unique ability to switch between vacuum induction melting, high-temperature sintering, and molten salt electrolysis makes this equipment an incredibly efficient investment for multi-disciplinary labs.
  • Precision Engineered Reliability: From the water-cooled SS304 chamber to the high-frequency induction power supply, every component is selected for its ability to maintain operational consistency in extreme environments.
  • Superior Atmosphere Control: With optional turbo-pumping and argon gas purification systems, this unit provides the ultra-pure conditions necessary for the synthesis of next-generation materials.
  • Customizable Configuration: We offer extensive customization, including electrode feedthroughs, Eurotherm controllers, and specialized crucible materials to meet the exact requirements of your industrial process.

Our engineering team is ready to discuss how this advanced induction heating system can elevate your material science research. Contact us today for a technical consultation or a formal quotation tailored to your specifications.

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