Tube Furnace
Ultra High Temperature 2300C Induction Heated Graphite Tube Furnace with Infrared Control
Item Number: TU-88
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Product Overview
This ultra-high temperature thermal processing system represents the pinnacle of induction heating technology, designed specifically for laboratories and industrial research facilities requiring temperatures up to 2300ºC. By utilizing high-frequency electromagnetic induction, the equipment delivers exceptionally rapid heating rates and superior energy efficiency compared to traditional resistive heating elements. The core value proposition of this unit lies in its ability to maintain stable, extreme thermal environments within a controlled atmosphere or high vacuum, making it an indispensable tool for advanced crystallography, carbonization, and refractory material studies.
Primarily utilized in material science, aerospace engineering, and metallurgy, this system is optimized for processes such as sintering high-performance ceramics, heat-treating graphite, and synthesizing advanced composites. It is engineered to withstand the rigorous demands of high-temperature cycles, ensuring that researchers can push the boundaries of material performance without compromising equipment integrity. The integration of high-purity graphite components and advanced insulation ensures that thermal loss is minimized even at peak operational capacity.
Reliability is the cornerstone of this industrial-grade furnace. Every component, from the German-engineered infrared temperature sensor to the robust induction power supply, is selected for its ability to perform under demanding conditions. The structural design isolates the high-temperature zone within a protective quartz envelope, providing a clean and secure environment for critical samples. Procurement teams and laboratory managers can rely on this system for consistent, repeatable results across long-duration experimental protocols, backed by comprehensive safety protections and a durable construction profile.
Key Features
- Advanced Induction Heating Power Supply: The system is powered by a 35 KW induction heater with an adjustable output frequency of 80 to 200 kHz, allowing for highly efficient energy coupling to the graphite heating element for ultra-fast thermal response.
- Extreme Temperature Capability: Engineered for extreme R&D, this unit achieves a maximum short-term working temperature of 2300ºC and enables continuous operation between 1200ºC and 2200ºC for prolonged heat treatment cycles.
- Precision Infrared Temperature Sensing: Equipped with a German-made IR sensor, the equipment measures surface temperature directly and accurately, avoiding the drift and degradation issues common with physical thermocouples at temperatures exceeding 1800ºC.
- High-Purity Graphite Thermal Zone: The 30 mm ID graphite tube is surrounded by high-purity carbon felt insulation, ensuring maximum heat retention and uniform temperature distribution within the 60 mm constant temperature zone.
- Robust Vacuum and Atmospheric Controls: The system features a double-sealed fused quartz tube with stainless steel flanges, supporting vacuum levels down to 10-5 torr with optional turbopumps and precise gas inlet controls for controlled atmosphere processing.
- Programmable PID Intelligence: A 30-segment programmable controller allows for precise adjustment of heating rates, cooling rates, and dwell times, enabling the execution of complex thermal profiles with a temperature accuracy of +/- 2ºC.
- Comprehensive Safety Protections: The integrated induction unit includes automatic protection protocols for water pressure, over-temperature conditions, and electrical overload, ensuring the safety of both the operator and the facility.
- Integrated Water Cooling Architecture: The design requires a high-flow water cooling system (>116 L/min) to maintain the induction coil's integrity, ensuring the equipment remains thermally stable during high-power output phases.
- Customizable Material Compatibility: For applications involving carbon-sensitive materials, the graphite tube can be upgraded with a YSZ ceramic coating to prevent carbon contamination while maintaining high-temperature performance.
- Modular Vacuum Interface: Featuring KF25 ports and high-precision pressure gauges, the system allows for seamless integration with various vacuum pumping stations and digital monitoring equipment.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Carbon Fiber Carbonization | High-temperature processing of carbon precursor materials to align molecular structures. | Produces superior tensile strength and modulus in finished fibers. |
| Ceramic Sintering | Rapid sintering of ultra-high temperature ceramics (UHTCs) like Boron Carbide or Silicon Carbide. | Achieves near-theoretical density with minimal grain growth due to fast heating. |
| Graphitization Research | Converting amorphous carbon materials into structured crystalline graphite at temperatures above 2000ºC. | Precise control over crystallinity and thermal conductivity properties. |
| Refractory Metal Alloying | Melting and alloying of tungsten, molybdenum, or tantalum in a controlled vacuum environment. | Ensures zero oxidation and high purity for aerospace-grade alloy development. |
| Synthetic Crystal Growth | Providing the high thermal gradients required for vertical or horizontal Bridgman crystal growth techniques. | High thermal stability ensures uniform crystal structure and fewer lattice defects. |
| Nuclear Material Testing | Simulating extreme thermal conditions for graphite-moderated reactor components and fuel cladding. | Safe, reproducible environment for testing material degradation at extreme heat. |
| CVD/Chemical Vapor Deposition | Using the high-temp zone to catalyze gas-phase reactions for coating substrates with refractory layers. | Enables dense, uniform coatings on complex industrial components. |
Technical Specifications
| Parameter | Specification Details (Model: TU-88) |
|---|---|
| Induction Heater Power | 35 KW Maximum Input Power |
| Input Voltage | 208~240V AC, 50/60Hz, Three Phase |
| Working Current | 96 Amp (Requires 100A External Breaker) |
| Output Frequency | 80 - 200 kHz (Adjustable) |
| Duty Cycle | 80% |
| Max. Working Temp. | 2300ºC (Duration < 60 minutes) |
| Continuous Temp. Range | 1200ºC ~ 2200ºC |
| Temp. Accuracy | +/- 2 ºC |
| Heating Rate | ≤ 40ºC/min (up to 1600ºC); ≤ 30ºC/min (1600ºC - 2300ºC) |
| Cooling Rate | ≤ 30ºC/min (1000ºC - 2300ºC) |
| Temperature Sensor | German-made IR Infrared Sensor |
| Graphite Tube Dimensions | 40 mm OD x 30 mm ID x 300 mm L |
| Quartz Outer Tube | 100 mm OD x 90 mm ID x 700 mm L |
| Induction Coil | Water-cooled, 135 mm ID x 300 mm L |
| Constant Temp. Zone | 60 mm (±5ºC) |
| Thermal Insulation | High-purity Carbon Felt |
| Vacuum Flanges | Left: IR sensor port, Gas-in, Gauge; Right: KF25, Gas-out |
| Vacuum Levels | 10⁻² torr (Mechanical Pump); 10⁻⁵ torr (Turbo Pump) |
| Cooling Requirement | Water Chiller with > 116 L/min Flow Rate |
| Protection Systems | Water pressure, Over-temperature, Load Overcurrent |
| Compliance | NRTL Certification available upon request |
Why Choose this Induction Heated Furnace
- Superior Thermal Efficiency: The induction heating principle ensures that energy is focused directly on the graphite element, significantly reducing heat-up times and operational electricity costs compared to resistive furnaces.
- Industrial-Grade Reliability: Built with premium components including a German IR sensor and robust stainless steel vacuum flanges, the system is designed for longevity in high-throughput research environments.
- Precision Atmosphere Control: The dual-tube design with high-quality seals allows for ultra-stable vacuum or inert gas conditions, protecting sensitive materials from oxidation even at 2300ºC.
- Versatile Customization: From YSZ ceramic coatings for carbon-sensitive applications to various vacuum pump upgrades, this system can be tailored to meet the specific technical requirements of your R&D projects.
- Expert Engineering Support: As a leading manufacturer of thermal equipment, we provide comprehensive technical documentation and responsive support to ensure your system operates at peak performance from day one.
To discuss how this advanced thermal system can enhance your material processing capabilities or to request a detailed quotation, please contact our technical sales team today.
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