1700°C Controlled Atmosphere Furnace

Standard Equipment

• Tmax：1700℃
• Thermocouple type K
• Touchscreen Control System
• Long-term operating temperature: ≤1650°C
• Control range: 50°C to 1700°C
• Temperature Measurement
• Thermocouple: Type B (range: 0-1780°C)
• Heating Elements & Installation
• Heating elements: Silicon molybdenum rods (MoSi₂)
• Installation position: Mounted on both sides of the furnace chamber
• Temperature Control Accuracy
• ±1°C (integrated circuit control, no overshooting)
• Furnace Structure & Material
• Double-layer air-cooled carbon steel structure with optimized airflow baffles:
  • Ensures efficient cooling circulation around the furnace shell
  • Cools heating element terminals before exhausting, preventing high-temperature oxidation
  • Maintains a safe working environment
• Door Mechanism
• 180° side-hinged opening with elastic locking system:
  • Side-mounted locks accommodate thermal expansion of refractory materials
  • Ensures tight sealing while allowing free contraction/expansion
• External Furnace Temperature
• ≤45°C during operation
• Gas Connections
• Inlet Port: 1 (standard)
• Outlet Port: 1 (standard)
• Compatible Atmospheres:
  • Inert Gases: Nitrogen (N₂), Argon (Ar)
  • Process Gases: Carbon Monoxide (CO), Oxygen (O₂), etc.
• Computer Communication Interfaces
• RS485 (Modbus RTU protocol supported)
• RS232 (for direct PC communication)
• USB (data export & firmware updates)

• Model	Chamber Size (mm)	Volume (L)	External Size (mm)	Voltage	Power (kW)	Weight (kg)
  GWDL-1700XA-A-4.5L	200×150×150	4.5	570×400×710	220V	4	180
  GWDL-1700XA-A-7.2L	300×200×120	7.2	770×632×905	220V	5	200
  GWDL-1700XA-A-12L	300×200×200	12	770×632×985	380V	8	240
  GWDL-1700XA-A-16L	400×250×160	16	870×682×945	380V	10	260
  GWDL-1700XA-A-27L	300×300×300	27	770×732×1085	380V	12	280
  GWDL-1700XA-A-30L	500×300×200	30	970×732×985	380V	15	280
  GWDL-1700XA-A-45L	500×300×300	45	970×732×1085	380V	18	320

Additional Equipment

• Lift door：Pneumatic door opening, controlled by foot pedal, with hot surface facing away from the operator.
• Touchscreen: Multilingual menu, multiple temperature rise process curve storage, historical curve storage, and data reports (7 inches).
• Computer Control: Controls furnace start, pause, stop, stores historical curves, sets temperature rise curves, reads temperature rise curves, sets parameters, etc.
• Siemens PLC Control: Real-time data reading with open ports for data communication with upstream and downstream equipment.
• Manual or automatic gas supply system
• Observation Window: Designed on the furnace door with high-temperature-resistant quartz glass.
• Movable Casters: Two swivel casters and two fixed casters.
• Rapid Cooling: Achieved with a frequency inverter and centrifugal fan for programmable cooling control.
• Quick Discharge Rack: The material rack is made of high-temperature steel, with wear-resistant heavy-duty refractory bricks on the top, enabling rapid
• transfer of materials from the furnace to an external platform in high-temperature environments.
• Multi-Point Temperature Control: Independent temperature control on multiple sides for improved temperature uniformity.
• High temperature furnace chamber with multi-sided heating for very good temperature uniformity.
• Stirring Fan: Metal stirring fan, can be linked with PLC to automatically start at designated temperature segments.
• Independent Control Cabinet: Separate control cabinet with an extended control cable length (up to 5 meters).
• Heat Storage Furnace Bottom: The furnace bottom sinks 50mm with a hollow design, supported by multiple vertical columns, increasing Ceramic Load-Bearing Plate and ensuring uniform heat distribution at the bottom.
• Exhaust Gas Treatment: Adds VOC exhaust gas treatment furnace with a capacity of 40m³/H or 80m³/H.
• Corrosion-Resistant Furnace Lining: Furnace lining material resistant to acids, alkalis, and hydrofluoric acid corrosion.
• Heating Element Protection: Prevents contamination from powder and corrosion from volatile substances and scratch.
• Clean Furnace Lining: Furnace lining made of ceramics, high-temperature glass, and high-temperature metals to prevent dust and volatile substances.
• Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
• Customizable charging racks according to requirements, for loading the furnace in two levels.