A Harper Model similar to HOU-6D60-RTA-26 is offered with the follwing specifications

• 4.6 x 0.8 x 1.8 m (L x W x H)
• 1550 °C operating temperature (max 1650°C)
• 3 Zones
• Silicon carbide Heating Elements (Temperature 1700 deg C)
• Elements positioned above and below the rotary tube
• Zone Lengths
  • Zone 1: 20 in. (508 mm) With 3 in. Baffle
  • Zone 2: 20 in. (508 mm) With 3 in. Baffle
  • Zone 3: 20 in. (508 mm)
• Fiber Insulation, purified, stable up to 1800°C.
• Insulation thickness will be nominal 8 inches.
• External temperature of the furnace max. 35°C
• Feed
  • Volumetric, Screw-type Feeder
• Feeding controls
  • Gas tight seal between the feeding system and entry hood
  • Material in contact with material: Stainless Steel (316)
• High Heat Tube
  • The high-heat process tube will be manufactured of a special, high-temperature ceramic capable of withstanding the process temperature (1550°C, maximum 1700°C) and stresses achieved in the furnace.
  • Diameter: 4” ID (101,6 mm)
  • Length: 120” (3.05 m) Overall with 60” (1.5 m) heated length devoted to process
  • easy exchangeable
• Exit and Entrance Hoods
  • Vents to remove process gases will be supplied by Harper International on the top of the furnace. Piping, thermal oxidizers or other furnace off- gas processors from the furnace are by Customer
  • Gas Tight also for Argon/Hydrogen or Nitrogen/Hydrogen (Forming gas)
  • Stainless Steel (304ss)
  • Includes one Clean Out Port in either the exit or entry hoods
  • One (1) Discharge Valve (Screw-type Exiting) included
  • Flange connection (Type ISO 4") to customer-supplied collection container
• Tube Drive
  • Tube Speed Range 1 To 5 RPM
  • Drive Motor will be ½ Horsepower Rating
• Tube Seals
  • Graphite Ring
  • Stainless Steel Bellows
  • Nitrogen / Argon Purge
• Control Systems
  • Temperature Control System
    • Enclosure to contain instruments, in base of unit
    • Three (3) thermocouples, three (3) dual element thermocouples serving as process control and over temperature protection
    • Three (3) Discrete Temperature Controllers
    • Three (3) Discrete Over-temperature Protection Controller
    • Electronic, programmable controller for control of heating zones
  • Power Control System
    • Three (3) SCR power controllers with transformers
  • Atmosphere System
    • Includes One (1) Flow Meter for electronic adjustment of process gas flow rate
    • Gas distribution and electronic flow meters to rotary seals
    • Process gas panel is included
  • Mechanical System
    • Digital Inclinometer for accurate display of the tube angle (min. ± 5 deg).
    • Variable speed drive for control of Tube RPM (electronically controlled)
  • Electric
    • 415V/3L/N/PE Line voltage, 50 Hz

Number of operating hours: 0

The unit is ready to pickup at our Karlstein facility.

Price: 220.000 EUR