300MM Large Diameter Tube Furnace – TT-LDTF-300-1200
The 300MM Large Diameter Tube Furnace – TT-LDTF-300-1200 is designed with a wide tube diameter, an extended constant-temperature zone, and precise temperature control, making it ideal for sintering multiple samples or conducting pilot-scale experiments. This furnace delivers reliable and consistent thermal performance, ensuring uniform heating for a variety of research and industrial applications.
Commonly used in semiconductor research, nanomaterials, carbon fiber, and graphene processing, the TT-LDTF-300-1200 offers a cost-effective solution for advanced thermal processing. It features a Φ300 mm quartz reactor tube with a 900 mm heating zone, supporting continuous operation at 1100°C and reaching a maximum temperature of 1200°C. Heating is achieved using 1500-type polycrystalline alumina ceramic fiber elements, with temperature monitoring provided by an N-type thermocouple. The system operates on 380V/12 kW, providing efficient and robust performance for laboratory and pilot-scale applications.
Semiconductor Research – Provides precise, uniform thermal treatment for semiconductor wafers and components. Supports processes such as annealing, sintering, and material doping with accurate temperature control up to 1200°C.
Nanomaterials & Graphene Processing – Ideal for sintering and heat treatment of advanced nanomaterials, including graphene and carbon-based structures. Ensures consistent thermal profiles for reproducible material properties.
Lithium Battery Materials – Supports pilot-scale processing of cathode and anode materials for lithium-ion batteries. Maintains uniform heating and gradient temperature capability for material optimization.
Advanced Energy & Materials Research – Enables thermal processing of high-performance ceramics, carbon fibers, and composite materials. Delivers stable high-temperature operation for R&D and production testing.
Pilot-Scale Sintering – Extended constant-temperature zones and multiple independently controlled heating segments allow for efficient batch processing and pilot-scale experiments.
Vacuum & Controlled Atmosphere Applications – Compatible with vacuum and inert gas environments. Supports a wide range of CVD processes and other controlled-atmosphere thermal treatments.
Industrial R&D & Process Development – Provides reliable, high-capacity thermal performance for laboratory and industrial pilot studies. Suitable for new materials testing, small-batch production, and process validation.
Quality Assurance & Safety – Equipped with PID temperature control, high-grade thermocouples, over-temperature protection, and automatic fault shutdown. Meets rigorous standards for consistent performance and operator safety.
Universities & Research Institutes – Suitable for advanced studies in materials science, chemical engineering, and energy research. Offers programmable heating profiles and high-temperature stability for experimental reproducibility.
Energy & Cost Efficiency – Designed with multi-layer insulation, efficient HRE heating elements, and a heat-insulating furnace shell to reduce energy consumption while maintaining uniform temperature distribution.
The large-diameter tube furnace consists of a heating system, temperature control system, working tube, sealing kit, and an automatic lid-opening mechanism. It supports both vacuum and atmosphere environments, making it suitable for a wide range of CVD processes. Multiple temperature zones can be configured to create a highly uniform thermal field and support gradient temperature experiments across various materials.
This furnace is widely used for pilot-scale sintering, as well as processing materials in fields such as graphene, lithium battery electrodes, semiconductors, and advanced energy and materials sectors requiring batch heat treatment.
Furnace Shell
- Constructed from Q235 low-carbon steel with an electrostatic, corrosion-resistant finish
- Durable double-layer metal frame integrated with a heat-insulating fan structure to ensure low surface temperature
- Horizontal configuration with a top-opening design for user-friendly access
Refractory Insulation
- Multi-layer insulation composed of lightweight alumina ceramic fiber and premium insulation board
- Free from asbestos
- Minimizes heat loss and reduces energy usage
Heating System
- Built with high-performance metal and ceramic heating elements that provide radiant heating throughout the chamber
- Energy-efficient design ensures long service life
- Circular or dual-side heating layout for excellent thermal uniformity
- Three-zone heating configuration with independent control for each zone, enhancing temperature consistency
Temperature Control Panel
- PID control with SSR/SCR output for precise thermal regulation
- Uses high-grade thermocouples with extended lifespan
- Includes heating status indicator and over-temperature alarm buzzer
Program Controller
- Capable of handling complex thermal cycles
- User-friendly interface with flexible program configuration
- Supports up to 32 programmable segments
- Safety features include over-temperature alerts and automatic fault protection
Vacuum and Atmosphere Compatibility
- Fitted with a 304 stainless steel sealing flange for vacuum or gas-filled operation
- Comes standard with a high-quality quartz tube; optional metal or alumina tubes available based on application needs
| Model | TT-LDTF-150-1200 | TT-LDTF-200-1200 | TT-LDTF-280-1200 | TT-LDTF-350-1200 |
| Furnace tube size | Φ150×1500mm | Φ200×1500mm | Φ280×1500mm | Φ350×1500mm |
| Heating zone | 900mm | 900mm | 900mm | 900mm |
| Max temperature | 1200℃ | |||
| Working temperature | 1100℃ | |||
| Heating element | HRE high temperature alloy resistance wire | |||
| Chamber material | Polycrystalline inorganic alumina ceramic fiber material prepared by wet vacuum filtration | |||
| Temperature control accuracy | ±1℃ | |||
| Temperature measuring element | N-type thermocouple | |||
| Temperature control instrument | Intelligent microcomputer PID temperature control instrument, SSR voltage regulation control, PID parameter self-tuning function; programmable 30 program segments, program temperature rise, program heat preservation, program cooling; three-stage partition control | |||
| Heating rate | 1-20℃/min free adjustment | |||
| Furnace structure | Furnace temperature control integrated structure | |||
| Standard configuration | Modular control, it will send out sound and light alarm signal for over temperature and broken coupler in the working process, and automatically complete the protection action | |||
| Safety protection | The equipment is equipped with a circuit breaker, which will automatically pop open in case of short circuit leakage, which can protect the safety of equipment and operators | |||
| Furnace shell | The shell is processed by high-quality cold-rolled steel sheet CNC machine tools, after welding, grinding, polishing, phosphating, pickling, and electrostatic spraying of plastic powder on the surface | |||
| Quality certification | ISO9001 CE SGS TUV | |||
| Standard configuration | 1 furnace body 2. Power cord 3 meters 3. 1 piece thermocouple 4. 1 piece manual 5. 1 piece furnace hook 6. One pair of high temperature gloves | |||
| Optional | 1. Optional rotary vane vacuum pump (vacuum degree ≤ 5pa) 2. Optional diffusion pump vacuum unit (vacuum degree ≤6.67×10-2pa) 3. Optional molecular pump vacuum unit (vacuum degree ≤6.67×10-4pa) 4. Optional digital vacuum gauge (1.0×105-1.0×10-1pa) 5. Optional float flowmeter (range 100-1000ml/min) 6. Optional quartz boat, metal crucible and other material loading containers | |||
| OEM | According to the output requirements of the actual material of the user, the customization of special specifications of the product can be realized | |||