Rotary Tube Furnace 1200-1400℃

Rotary tube furnace is designed for calcining inorganic compound with better uniformity, especially excellent for preparing Li-lon battery cathode materials with conductive or protective coating on powder, Such as LiFePO3, LiMnNiO3, etc in R&D laboratory.



  • Ⅰ. Technical Specifications
  • Max. temperature
  • 1400℃ (<2 hours)
  • Working temperature
  • 1300℃
  • Standard Temperature controlling
  • PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor.
  • 51 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • Built in PID Auto-Tune function with overheating & broken thermcouple broken protection.
  • Over temperature protection and alarm allows for operation without attendant.
  • Optional of Temperature controlling
  • Software (Furnace can be operated by PC by installing a control software)
  • Touch screen temperature controller
  • Temperature accuracy
  • ±1℃
  • Heating rate
  • <15℃/min
  • Tube rotating speed
  • 0-7 RPM vailable
  • Furnace tilt angle
  • 0-30°variable
  • Thermocouple
  • S type (Pt-Rh to Pt-Rh) with 99.7% purity Alumina tube
  • Heating element
  • SIC heating elements
  • Furnace Chamber
  • Three layers of ceramic fiber insulation materials
  • First layer: 1700℃ ceramic fiber board.
  • Second layer: 1430℃ ceramic fiber board.
  • Third layer: 1260℃ ceramic fiber board.
  • Furnace structure
  • Double layer steel casing with dual cooling fan, surface temperature below 60℃.
  • Vacuum system
  • Double stage rotary vane vacuum pump with magnetic valve to prevent the oil absorbed to tube.
  • Self-expansion type double silicon ring flange, 304 stainless steel HCP.
  • Needle valve + Mechanical vacuum gauge + Discharge valve
  • Warranty
  • One year limited warranty with lifetime support. (Consumable parts such as heating elements and crucibles are not covered by the warranty, please order the replacement at related products)
  • ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of One Year Limited Warranty.
  • Certifications
  • CE
  • Ⅱ. Application Notes   
  • Using Attentions
  • Cooling rate shall also not exceed 5℃/min.
  • Toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision.
  • Small cracks may appear on the surface of the refractory ceramics over extended use.
  • The tube furnace is avoid use vacuum above 1500℃, otherwise the tube will be serious deformation.


Our Standard Models