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Rotary Tube Furnaces for Continuous Processes up to 1300 °C

The RSRC rotary tube furnaces are particularly suitable for processes where continuously running batch material is heated for a short time.

The rotary tube furnace is positioned slightly inclined heated-up to the target temperature. The material is then continuously supplied at the upper end of the tube. It passes through the heated area of the tube and falls on the lower end out of the tube. The time of heat treatment results from the inclination angle, the rotational speed and the length of the working tube, as well as from the flow properties of the batch material.

Equipped with the optional closed loading system for 5 liter charge material incl. receptacle, the rotary tube furnace can also be used for processes under protective gas or vacuum.

Depending on process, charge and required maximum temperature, different working tubes made of quartz glass, ceramics or metal to be used. This rotary tube furnace is therefore highly adaptable for different processes.

Category: .
  • Tmax 1100 °C
  • Working tube made of quartz glass open at both sides
  • Thermocouple type K
  • Tmax 1300 °C
  • Open tube made of ceramics C 530
  • Thermocouple type S
  • Heating elements on support tubes provide for free radiation
  • Housing made of sheets of textured stainless steel
  • Adjustable drive of approx. 2-45 rpm
  • Digital display unit for the tilting angle of the rotary tube furnace
  • Beltless drive and split-type furnace housing (opening temperature < 180 °C) provide for very easy tube removal
  • Compact system, rotary tube furnace positioned on a base frame with
    • Manual spindle drive with crank to preset the tilting angle
    • Switchgear and controls integrated
    • Castors
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
  • Additional equipment
  • Three-zone control for the optimization of temperature uniformity
  • Temperature display unit in the working tube with measurement by means of an additional thermocouple
  • Charge control by means of an additional thermocouple in the working tube
  • Different gassing systems with good flushing of the charge with process gas in counterflow (only in combination with feeding system below)
  • Check valve at gas outlet avoids intrusion of false air
  • Vacuum design, up to 10-2 mbar depending on the applied pump
  • Charging system for continuous material transport, consisting of:
  • Stainless steel funnel incl. electric vibration generator to optimize the material feeding into the working tube
  • Electrically driven screw-conveyor at the inlet of the working tube with 10, 20 or 40 mm pitch and adjustable speed between 0.28 and 6 revolutions per minute, different gear transmissions for other speeds on request
  • Collecting bottle made of laboratory glass at the outlet of the working tube
  • Suitable for operation in gas atmosphere or vacuum
  • Working tubes made of differents materials
  • Quartz glass batch reactors, Tmax 1100 °C
  • Higher temperatures up to 1600 °C available on request
  • Digital display unit for the tilting angle of the furnace
  • Electric linear drive for the adjustment of the tilting angle
  • PLC controls for temperature control and the control of connected aggregates such as gearshift and speed of the screw-conveyor, speed of the working tube, switching of the vibration generator, etc.
  • Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control
  • Model Tmax Outer dimensions in mm Max. outer Heated Length constant Tube length Connected Electrical Weight
              tube Ø length Temperature +/- 5 K in mm3   load   in
      °C3 W D H in mm in mm single zoned three zoned in mm kW connection* kg
    RSRC 80-500/11 1100 2505 1045 1655 80 500 170 250 1540 3.7 1-phase 555
    RSRC 80-750/11 1100 2755 1045 1655 80 750 250 375 1790 4.9 3-phase2 570
    RSRC 120-500/11 1100 2505 1045 1715 110 500 170 250 1540 5.1 3-phase2 585
    RSRC 120-750/11 1100 2755 1045 1715 110 750 250 375 1790 6.6 3-phase1 600
    RSRC 120-1000/11 1100 3005 1045 1715 110 1000 330 500 2040 9.3 3-phase1 605
                             
    RSRC 80-500/13 1300 2505 1045 1655 80 500 170 250 1540 6.3 3-phase1 555
    RSRC 80-750/13 1300 2755 1045 1655 80 750 250 375 1790 9.6 3-phase1 570
    RSRC 120-500/13 1300 2505 1045 1715 110 500 170 250 1540 8.1 3-phase1 585
    RSRC 120-750/13 1300 2755 1045 1715 110 750 250 375 1790 12.9 3-phase1 600
    RSRC 120-1000/13 1300 3005 1045 1715 110 1000 330 500 2040 12.9 3-phase1 605
    Article No. Description
    Exhaust systems/Accessories
    631000140 Chimney for connection to an exhaust pipe
    631000812 Chimney with fan, to remove exhaust gas from the furnace better.
    631000166 Catalytic converter with fan for removal of organic components from the exhaust air.
    699000408 Round saggar (Ø 115 mm x 35 mm) for furnaces LHT/LB, Tmax 1650 °C
    699000984 Round lid for furnaces LHT/LB, Tmax 1650 °C
    699000279 Square saggar for furnaces HTC and LHT, Tmax 1600 °C
    699000985 Square lid for furnaces HTC and LHT, Tmax 1600 °C
    493000002 Various tongs for easy loading and unloading of the furnace. (300mm)
    493000003 Various tongs for easy loading and unloading of the furnace. (500mm)