200MM 3-Zone Large Diameter Tube Furnace – TT-LDTF-200-1200
200MM 3-Zone Large Diameter Tube Furnace – TT-LDTF-200-1200 features an extended heating zone and precise temperature control, making it ideal for sintering multiple samples or conducting pilot-scale tests.
This model is commonly used in the semiconductor, nanomaterials, carbon fiber, and graphene sectors. It offers an efficient and economical solution for advanced thermal processing.
Pilot-Scale Sintering & Heat Treatment – Supports high-volume sintering and batch thermal processing of advanced materials, including graphene, carbon fibers, lithium-ion battery electrodes, and semiconductors. Provides uniform heating with multi-zone control for reproducible and reliable results.
Chemical Vapor Deposition (CVD) & Controlled Atmosphere Processing – Enables precise thermal treatments under vacuum or inert gas conditions. The three independently controlled zones allow for uniform temperature distribution and thermal gradient experiments, critical for material property optimization.
Semiconductor & Nanomaterials Research – Ideal for annealing, activation, and heat treatment of semiconductor substrates and nanostructures. Delivers precise, programmable temperature profiles for functional nanomaterials research and pilot-scale production.
Advanced Materials & Energy Storage – Facilitates high-temperature processing of materials used in energy storage systems, high-performance composites, and emerging energy technologies. Ensures consistent thermal performance across large-diameter samples.
Laboratory & Industrial Applications – Designed with a top-opening, horizontal furnace body and durable construction for safe and efficient operation. Compatible with quartz, metal, or alumina tubes and supports optional vacuum systems for flexible research and production conditions.
Customizable Thermal Processing – Offers tube diameters from Φ150 mm to Φ350 mm with a 900 mm heating zone. Heating elements, power, and control options can be tailored to meet specific process requirements. Multi-zone, programmable PID control supports automated thermal cycles for complex experiments or pilot-scale operations.
Safety & Compliance – Equipped with over-temperature alarms, system fault protection, and circuit breakers to ensure operator and equipment safety. The robust shell and insulation provide minimal heat loss, energy efficiency, and compliance with ISO9001, CE, SGS, and TUV standards.
The 200mm large-diameter tube furnace consists of a heating system, temperature control system, working tube, sealing kit, and an automatic top-opening cover. It supports operation under vacuum or controlled atmosphere, making it suitable for a wide range of CVD process applications. The furnace allows for multiple temperature zones to be configured, ensuring high thermal uniformity and enabling thermal gradient experiments.
This model is frequently used in pilot-scale sintering and batch heat treatment across industries working with graphene materials, lithium battery electrodes, semiconductors, new energy solutions, and advanced materials.
Furnace Shell
- The shell is constructed from Q235 low-carbon steel with an electrostatically applied, corrosion-resistant finish.
A robust double-layer metal frame integrates an insulated fan design, helping maintain a low external surface temperature.
Features a horizontal orientation with a top-opening structure for ease of operation.
Refractory Material
- The furnace features a multi-layer insulation system made from lightweight alumina ceramic fiber and a premium-grade insulation board. It is asbestos-free, offering minimal heat loss and improved energy efficiency.
Heating System
- High-performance metal and ceramic heating elements ensure efficient, radiation-based heat transfer throughout the chamber.
- Configured with ring or dual-side heating for enhanced temperature uniformity.
- Three-zone design with independent control for each zone, improving overall temperature consistency.
Temperature Control Panel
- PID control with SSR/SCR output for accurate temperature regulation
- Durable, internationally standardized thermocouple
- Includes a heating status indicator and over-temperature alarm buzzer
Program Controller
- Advanced controller designed for demanding thermal processes
- User-friendly interface with flexible programming options
- Supports up to 30 programmable segments
- Built-in over-temperature and system fault alarms with automatic safety features
Vacuum and Atmosphere Capability
- Comes with a 304 stainless steel sealing flange to create a vacuum or inert gas environment within the tube
- Compatible with high-quality quartz, metal, or alumina working tubes for adaptability across different process conditions
| 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 | |||