Rotary Furnace
Two Zone Rotary CVD Furnace with Automatic Feeding and Receiving System for Powder Processing
Item Number: TU-X04
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Product Overview
This advanced thermal processing system is engineered for high-precision Chemical Vapor Deposition (CVD) and calcination of powder materials. By integrating a dual-zone heating architecture with a sophisticated rotary mechanism, the equipment ensures exceptional thermal uniformity and constant material agitation. This synergy is critical for researchers and manufacturers developing high-performance battery materials and inorganic compounds where consistency at the molecular level is paramount for electrochemical performance. The system streamlines the transition from batch to continuous processing, significantly reducing manual intervention and potential contamination.
Designed for continuous operation, the system features a robust automatic feeding and receiving mechanism that allows for seamless material throughput without atmospheric exposure. This makes it an ideal solution for synthesizing sensitive Li-Ion battery cathode and anode materials, such as silicon-carbon composites and various metal oxides. The unit's ability to maintain a controlled atmosphere while rotating ensures that every particle is exposed to uniform thermal and chemical conditions, facilitating superior crystalline growth and surface coating quality. This furnace represents a significant leap in throughput for laboratory and pilot-scale material synthesis.
Built with industrial-grade components, this unit offers the reliability required for intensive R&D and demanding industrial cycles. The combination of a vacuum-sealed swivel assembly, precision PID controllers, and a double-shell casing provides a stable and safe environment for complex thermal recipes. Whether used for academic material science or industrial chemical processing, this system delivers the repeatability and performance necessary for cutting-edge technological development, ensuring that experimental results can be reliably scaled to production volumes.
Key Features
- Continuous Automatic Powder Handling: The integrated compact feeder is mounted via a vacuum-sealed swivel assembly, allowing for precise control of material distribution inside the tube while maintaining atmospheric integrity.
- Dual-Zone Thermal Precision: Two independently controlled heating zones (200mm each) provide a versatile temperature profile, enabling the creation of specific thermal gradients or an extended constant temperature zone of 400mm.
- Dynamic Rotary Mechanism: A gear-driven DC motor rotates the processing tube at speeds up to 10 RPM, utilizing internal mixing blades to ensure uniform heat and gas exposure for every particle in the batch.
- Adjustable Tilt Configuration: The entire furnace body can be tilted from -5° to 20°, providing the mechanical flexibility to control material transit time and flow characteristics during continuous processing.
- High-Integrity Vacuum Sealing: Equipped with 60mm stainless steel sealing flanges and rotatable gas connectors, the system achieves a vacuum level of 4.5x10-2 torr, essential for high-purity CVD processes.
- Air-Free Collection System: The 1-liter stainless steel receiving tank features a KF40 butterfly valve, allowing users to collect and transport fired powders without exposing sensitive materials to oxygen or moisture.
- Advanced Insulation and Cooling: Utilizing high-purity alumina fibrous insulation and a double-shell casing with triple cooling fans, the system maximizes energy efficiency while keeping the exterior surfaces safe to touch.
- Rapid Thermal Response: The split-cover design not only facilitates easy loading and unloading of the quartz tube but also enables faster cooling rates for high-throughput testing cycles.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Li-Ion Battery Materials | Synthesis of cathode materials such as LiFePO3 and LiMnNiO3 with conductive coatings. | Enhanced electrochemical stability and capacity. |
| Anode Material Preparation | Continuous rotary CVD for silicon/carbon (Si/C) composite anode materials. | Superior particle coating uniformity and throughput. |
| Inorganic Calcination | High-temperature processing of inorganic compounds and industrial catalysts. | Improved chemical homogeneity and phase purity. |
| Nano-layer Embedding | Scalable synthesis of silicon-nanolayers embedded in graphite for high-energy density batteries. | Controlled deposition thickness at the nanoscale. |
| Powder Metallurgy | Sintering and heat treatment of metallic powders under inert or reducing atmospheres. | Reduced oxidation and improved particle bonding. |
| Advanced Ceramics | Continuous thermal treatment of ceramic precursors and specialized oxide powders. | Consistent grain size and structural integrity. |
Technical Specifications
| Parameter | Specification Details (Model: TU-X04) |
|---|---|
| Working Voltage | Furnace: AC 208-240V, Single Phase (30A Breaker); Feeder: AC 208-240V |
| Output Power | Furnace: 3.5 KW; Feeder: 200 W |
| Maximum Temperature | 1150 °C (< 30 min) |
| Continuous Temperature | 1100 °C |
| Heating Zone Length | Dual Zones: 200 mm each (Total 400 mm) |
| Constant Temp Zone | 200 mm (within +/- 1°C when zones are matched) |
| Processing Tube | Fused Quartz, φ100 mm * 3 mm * 1200 mm with 4 Mixing Blades |
| Tumbling Volume | 3200 ml |
| Rotating Speed | 1 - 10 RPM (Variable) |
| Furnace Tilt Angle | -5° to 20° |
| Feeding System | 1L Stainless Steel Tank; Max Rate 97 cm³/min (Adjustable) |
| Receiving System | 1L Stainless Steel Tank with KF40 Butterfly Valve |
| Vacuum Level | 4.5 x 10-2 Torr (Leak rate < 0.1 mtorr/s) |
| Temperature Control | Dual PID Digital Controllers; 30 Programmable Segments |
| Thermocouple | Two Omega K-type (3mm OD x 6" L) |
| Compliance | CE Certified; NRTL (UL61010) or CSA available upon request |
| Sealing Flange | 60 mm SS Sealing Flange with rotatable gas connector needle valves |
Why Choose Us
- Engineered for Precision: Our dual-zone architecture and PID control system deliver unmatched thermal accuracy, ensuring that your delicate CVD processes are repeatable every single time.
- Superior Material Integrity: The integrated air-free receiving system is specifically designed for the next generation of battery materials, preventing the degradation of sensitive powders between processing and analysis.
- Robust Industrial Build: From the gear-driven rotary motor to the high-purity alumina insulation, every component is selected for long-term durability in high-cycle laboratory environments.
- Versatile Process Control: With adjustable tilt, variable rotation speed, and precise feeding rates, this system offers more control variables than standard tube furnaces, allowing for deeper process optimization.
- Safety and Certification: This system is CE certified and built to rigorous safety standards, providing peace of mind for institutional and industrial facilities.
For custom configurations or to discuss your specific powder processing requirements, please contact our technical sales team for a detailed quote.
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