Double Arm Kneader Mixer

  • Two mixing blades placed in a ‘w’ shaped horizontal trough
  • Commonly used blade types are the sigma blade, masticator blade, spiral blade, shredder and naben blade
  • Rotation of the blades is either tangential to each other or the blades may overlap within the trough.
  • Blades pass the container walls and each other at close clearances generally (1-2 mm)
  • The mixer bowl may be jacketed for circulation of heating or cooling media.
  • Viscosity range  upto 10 million cps
  • Viscous mass of material is pulled, sheared, compressed, kneaded and folded by the action of the blades against the walls of the mixer trough.
  • Fill Up  is 40 – 65 % of bowl volume
  • Mixing homogeneity upto 99 percent
  • Specific power – 45 to 75 kW/ m3
  • Discharge of the material from the mixer
  •  By tilting of the mixer container
  •  Bottom discharge valve
  •  Through an extruder, screw
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