Tube Furnace
Dual Heating Zone 1200C Compact Split Tube Furnace with Optional 1" - 2" Tube and Vacuum Flanges
Item Number: TU-29
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Product Overview


This high-performance thermal processing system is a compact, benchtop solution designed for advanced material research and industrial thermal processing. Featuring a unique split-chamber design, the equipment allows researchers to easily access the process tube, facilitating rapid sample loading and unloading while simplifying the integration of complex internal experimental setups. The dual-zone configuration provides exceptional flexibility, allowing for the creation of precise temperature gradients or a significantly extended constant temperature zone, making it a cornerstone tool for modern laboratory environments.
Optimized for reliability, this unit is widely utilized in semiconductor development, battery research, and metallurgical studies. It excels in applications requiring controlled atmospheres or vacuum conditions, thanks to its robust sealing technology. By integrating high-purity alumina fiber insulation and precision-engineered heating elements, the system ensures rapid thermal response times and superior energy efficiency, catering to the demanding needs of both academic institutions and private sector R&D departments.
Engineered to withstand the rigors of continuous operation, this equipment offers a stable and repeatable thermal environment. The double-layer steel structure minimizes outer surface temperatures, ensuring operator safety while maintaining internal thermal stability. With its versatile tube size options and sophisticated control architecture, this system provides the precision and durability required for sensitive chemical vapor deposition (CVD) processes, annealing, and sintering operations under stringent conditions.
Key Features
- Independent Dual-Zone Control: This system features two separate heating zones, each managed by its own precision PID controller. This allows operators to establish a 200°C temperature gradient or maintain a 100mm uniform temperature zone, providing unparalleled control over growth kinetics and vapor pressure.
- Ergonomic Split-Chamber Design: The furnace housing is hinged lengthwise, allowing for easy opening. This design facilitates quick tube replacement, cleaning, and the ability to monitor the reaction tube status without dismantling the entire heating assembly.
- Advanced PID Programming: Equipped with two built-in digital controllers, the unit supports up to 30 programmable segments for heating, soaking, and cooling. This automation ensures high repeatability for complex thermal cycles and reduces the risk of human error during long-duration experiments.
- High-Purity Alumina Insulation: The heating chamber is lined with high-purity Al2O3 fibrous insulation. This material is chosen for its low thermal mass and excellent insulating properties, which significantly reduce power consumption and allow for heating rates up to 20°C per minute.
- Enhanced Vacuum and Gas Handling: The inclusion of stainless steel vacuum sealing flanges with 1/4" barb fittings enables operation under vacuum or controlled gas flow. This is critical for preventing oxidation and managing reactive gas environments during sensitive processing steps.
- Robust Safety Architecture: The equipment includes integrated over-temperature protection and thermocouple failure alarms. The double-shell construction utilizes air cooling to keep the external surface safe to touch even when the internal chamber is operating at 1200°C.
- Precision Heating Elements: Utilizing Fe-Cr-Al alloy elements doped with molybdenum, the furnace delivers consistent radiant heat and a long service life. The high-purity alumina coating on the refractory ceramics further protects the elements from chemical degradation.
- Versatile Tube Compatibility: Designed to accommodate various research scales, the system can be configured with either 1" or 2" O.D. quartz tubes. This flexibility allows researchers to scale their experiments or adjust tube volume based on specific sample requirements.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| TMD Nanoribbon Growth | Precise control over chalcogen vapor pressure by maintaining a temperature differential between upstream and downstream zones. | Enables independent adjustment of growth rates and nanoribbon width through supersaturation control. |
| Catalytic Pyrolysis | Processing of organic waste or polymers within a controlled quartz tube environment at specific heating rates. | Prevents localized overheating and ensures uniform distribution of pyrolysis products like gas and char. |
| Semiconductor Annealing | High-temperature treatment of silicon wafers or thin films under vacuum or inert gas to repair lattice defects. | Improves electrical properties and material crystalline structure with high repeatability. |
| CVD / PECVD Research | Serving as the thermal core for chemical vapor deposition systems to synthesize carbon nanotubes or graphene. | Provides the stable thermal environment necessary for uniform gas-phase reactions and high-quality film growth. |
| Ceramic Sintering | Consolidating ceramic powders into dense parts at temperatures up to 1200°C. | Achieving high density and mechanical strength through uniform thermal distribution across the heating zones. |
| Battery Material Synthesis | Calcination and thermal treatment of cathode or anode active materials in controlled atmospheres. | Ensures chemical homogeneity and consistent electrochemical performance of the synthesized powders. |
Technical Specifications
General System Parameters
| Feature | Specification Details (Model TU-29) |
|---|---|
| Model Number | TU-29 |
| Voltage / Power | 110V AC, Single Phase, 50/60 Hz; 1.5 KW |
| Maximum Temperature | 1200°C (< 1 hour duration) |
| Continuous Operating Temp. | 1100°C |
| Maximum Heating Rate | ≤ 20°C/min |
| Total Heating Zone Length | 200 mm (Two 100 mm independent zones) |
| Temperature Accuracy | +/- 1°C |
| Heating Elements | Fe-Cr-Al Alloy doped by Mo |
| Controller Type | Dual PID automatic control via solid-state relay; 30 programmable steps |
| Vacuum Level | 10-2 torr (Mechanical Pump); 10-4 torr (Turbo Pump with blocks) |
| Net Weight | 35 Kg |
Constant Temperature Zone Performance
| Performance Metric | Zone Length @ +/- 1°C | Zone Length @ +/- 2°C | Zone Length @ +/- 5°C |
|---|---|---|---|
| Uniformity (Dual Zone Matched) | 50 mm | 70 mm | 100 mm |
Temperature Gradient Capability
| Metric | Maximum Value |
|---|---|
| Max. Temperature Gradient | 1°C / mm (Single zone heating mode) |
| Max. Adjacent Zone Difference | ~100°C (One zone active, without internal isolator) |
Process Tube & Flange Options
| Tube Option | Dimensions (O.D. x I.D. x L) | Included Accessories |
|---|---|---|
| 1" Quartz Tube | 25mm x 22mm x 450mm | Two fibrous ceramic tube blocks; Stainless steel vacuum flanges |
| 2" Quartz Tube | 50mm x 44mm x 600mm | Two radiation-blocking ceramic blocks; Stainless steel vacuum flanges |
Dimensions & Weight
| Configuration | Length | Width | Height |
|---|---|---|---|
| Lid Closed | 340 mm | 300 mm | 400 mm |
| Lid Open | 340 mm | 300 mm | 560 mm |
Why Choose This Split Tube Furnace
- Precision Engineering: The dual-zone independent control architecture allows for sophisticated thermal profiling that single-zone furnaces cannot match, providing a significant advantage for gradient-dependent material synthesis.
- Exceptional Build Quality: Constructed with a double-layer steel shell and high-grade refractory ceramics, this unit is designed for longevity in industrial and high-use research environments.
- Operational Versatility: Whether your process requires a high vacuum, an inert atmosphere, or a specific temperature gradient, this compact system adapts to your requirements with modular tube and flange options.
- Safety and Reliability: Built-in fail-safes, including over-temperature protection and cooling fan systems, ensure that both the equipment and the operator remain protected during high-temperature cycles.
- Proven Performance: Our furnaces are trusted by leading global research institutions for their consistency, repeatability, and robust thermal performance in demanding applications.
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