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ComessaRotary Tubes

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Rotary tube is composed of one slightly sloped shell, fitted with two riding rings supported by four rollers and driven by a chain drive or a girth gear assembly. Internal spiral flights and lifters allow conveying of product from the inlet to the outlet of the shell and insure a proper and efficient thermal exchange between product and process gas.

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Rotary tubes can be used in various configurations : co-current, counter current, indirectly heated through the shell or by means of internal tubular exchanger.

They are dedicated to a large range of divided solids from fine powders to large particles.

  • Handling of heterogeneous products with a large range of shape size and density
  • Proven technology
  • Heavy duty
  • High drying / calcining temperature
  • High flexibility
  • High evaporation
  • Large capacity