Tube Furnace
Vertical Openable Tube Furnace 0-1700c High Temperature Laboratory System for CVD and Vacuum Heat Treatment
Item Number: TU-21
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Product Overview



This high-temperature experimental equipment represents the pinnacle of thermal engineering, specifically designed for rigorous material research, development, and process validation. By integrating high-temperature heating, sophisticated vacuum-atmosphere control, and rapid thermal processing capabilities, the equipment serves as a versatile platform for the most demanding laboratory environments. The vertical openable structure is engineered for maximum accessibility and flexibility, allowing researchers to transition seamlessly from basic material sintering to complex chemical vapor deposition (CVD) or vacuum annealing. Built with industrial robustness, this unit provides the precision required by materials scientists in university laboratories, semiconductor R&D centers, and aerospace manufacturing. It reflects a commitment to engineering excellence, ensuring that every thermal cycle is consistent, repeatable, and safe, even when operating at temperatures up to 1700℃ in high-vacuum or specialized gas atmospheres.
Key Features
- Vertical Openable Architecture: The furnace body is designed to separate vertically, providing 180-degree access to the reaction tube for easy loading, maintenance, and the integration of internal monitoring sensors or quenching modules.
- Triple-Zone Precision Heating: Advanced multi-stage programming through independent regulation of three separate temperature zones ensures a wide constant temperature region with optimized thermal compensation for ±1.5℃ uniformity.
- High-Purity Alumina Insulation: The chamber utilizes 1700-grade high-purity alumina polycrystalline fiber, a material selected for its exceptionally low heat capacity and superior resistance to thermal shock, ensuring rapid heat-up and energy efficiency.
- Advanced MoSi2 Heating Elements: Equipped with high-density silicon molybdenum rods, the heating system is capable of sustained operation at extreme temperatures, with optional upgrades available for environments requiring up to 1800℃.
- Integrated Fast-Cooling System: A built-in air-cooling circulation system and optional water-cooling flanges facilitate a high-speed thermal drop, enabling samples to undergo quenching treatment within 10 seconds for phase-change studies.
- Sophisticated Vacuum Sealing: The equipment features a double O-type fluorine rubber sealing system and water-cooled flanges, achieving a vacuum leakage rate of ≤5×10⁻⁴ Pa-m³/s when paired with high-performance molecular pump units.
- Intelligent PID Control Logic: Utilizing premium Japanese Shimaden or European Continental instrumentation, the system supports 50-segment programming, RS485 communication, and the storage of multiple preset process profiles.
- Atmospheric Management Suite: A dual-way mass flow meter system with high-precision solenoid valves and pressure regulators allows for the controlled introduction of inert or reactive gases, including hydrogen.
- Comprehensive Safety Interlocks: The system is protected by multiple safety layers, including over-temperature automatic power-off, broken thermocouple alarms, water pressure monitoring, and emergency pressure relief valves.
- Modular Expansion Compatibility: Designed for versatility, the platform supports external modules such as rotary sample stages, infrared thermometers, and gas analyzers to adapt to evolving research requirements.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Semiconductor CVD | Deposition of thin films and nanomaterials on silicon or sapphire substrates using vapor precursors. | Precise gas flow and temperature control ensure uniform film thickness and high purity. |
| Aerospace Ceramics | High-temperature sintering and stress-testing of ceramic matrix composites (CMCs) and turbine components. | Vertical orientation accommodates long structural parts while maintaining extreme thermal stability. |
| Lithium Battery R&D | Calcination and synthesis of cathode/anode materials under controlled nitrogen or argon atmospheres. | High repeatability of thermal cycles leads to consistent electrochemical performance data. |
| Vacuum Annealing | Stress relief and grain structure refinement of refractory metals and specialty alloys in oxygen-free environments. | Prevents oxidation and contamination, maintaining the metallurgical integrity of the sample. |
| Rapid Quenching | Testing material properties after sudden temperature drops to simulate industrial cooling processes. | Enables the study of non-equilibrium phases and microstructure development in seconds. |
| Solid State Lighting | Synthesis of phosphors and optical crystals requiring high-purity thermal environments. | Clean alumina chamber prevents dopant cross-contamination and ensures high luminescence yield. |
| Carbon Nanotube Growth | Vertical growth of CNT forests and graphene structures via chemical vapor deposition. | Optimized thermal gradients across the growth zone provide superior alignment and density. |
Technical Specifications
| Parameter Category | Specification Details for TU-21 |
|---|---|
| Maximum Operating Temperature | 1700℃ (MoSi2 Heating Elements); Optional 1800℃ (Graphite/SiC) |
| Heating Rate | Maximum ≤15℃/min; Recommended ≤10℃/min |
| Cooling Rate | Maximum ≤10℃/min; Quenching module achieves ≤10s drop |
| Temperature Uniformity | ±1.5℃ (Within 150mm constant temperature zone) |
| Temperature Control | Japan Shimaden FP93 / Continental 3504; 50 segments; PID Auto-tune |
| Furnace Chamber Material | 1700-grade high purity alumina polycrystalline fiber |
| Standard Tube Size | Corundum Tube (Outer Diameter Φ60mm × Length 1200mm) |
| Tube Material Options | Quartz, Stainless Steel, or Custom Refractory Tubes (Φ30-100mm) |
| Pressure Resistance | ≤ 0.1MPa (Vacuum/Positive Pressure) |
| Vacuum Performance | Mechanical Pump: 5×10⁻² Pa; Molecular Pump: 5×10⁻⁴ Pa |
| Sealing Interface | Double O-type Fluorine Rubber (250℃ rated) + KF25 Flange |
| Gas Control System | Double-way Mass Flow Meter (0-500sccm); Accuracy ±1% |
| Power Configuration | Support for 220V/380V voltage customization |
| Structural Design | Vertical double-layer stainless steel shell with integrated air cooling |
| Safety Protection | Over-temp power-off, broken coupling, water/gas pressure alarms, leakage breaker |
| External Dimensions | Vertical footprint with mobile wheels and horizontal adjustment feet |
Why Choose Us
- Proven Long-Term Reliability: Built with industrial-grade components and a double-layer shell, this furnace is engineered for continuous operation in high-stakes research environments without performance degradation.
- Exceptional Thermal Precision: The three-zone independent compensation technology provides a level of temperature uniformity and stability that is critical for the success of sensitive CVD and sintering processes.
- Unmatched Modular Flexibility: Whether you require high vacuum, specialized gas circuits, or rotary sample stages, this system is designed to grow with your research needs through its modular interface.
- Stringent Safety Standards: From hydrogen gas handling to high-pressure relief, the system incorporates redundant safety mechanisms to protect your laboratory personnel and your high-value materials.
- Precision Manufacturing: Every unit undergoes rigorous calibration and vacuum leak testing to ensure it meets our exacting standards for industrial robustness and technical excellence.
Contact our technical sales team today for a detailed quote or to discuss a customized solution tailored to your specific material processing requirements.
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