Rotary Dryer Principle | Rotary Dryer Manufacturers and Suppliers

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Rotary Dryer Principle:

An industrial dryer which is used to reduce the liquid humidity content of the substance, it is managed by taking it at the direct contact with a heated gas is known as rotary dryer. Here the complete knowledge regarding Rotary Dryer and its Principle is given in following section.

In this dryer there is some steel beams which are used to support a large, rotating cylindrical tube. It is used to reduce the moisture of the material or to dry it. Rotatory Dryer is the one other name of Rotary Dryer. It can be functioned directly with the heated gas.

Functions of Rotary Dryer:

  • Convenient and dependable operation
  • Convenient for transportation
  • High efficiency, low energy consumption
  • Reasonable framework


  • Design permits highest possible drying temperatures.
  • Drying, cooling or calcination.
  • Efficient drying of materials with high moisture contents.
  • Handles a wide range of materials with increased residence time.
  • High thermal efficiency.


  • A wide range of application, fluid confrontation is low, you can use it to dry granule-like materials, for those adhesion material, it is also very beneficial.
  • Cleaning easy.
  • Large production capacity, continuous operation.
  • Operating flexibility, production flow allows the thing to have a bigger fluctuation range, which will not affect the quality of the product.
  • Simple structure, easy to operate; less failure, low maintenance costs.


  • The equipment is large, one-time investment is high.
  • The thermal efficiency is lower than the heat loss (steam tube rotary dryer thermal efficiency is high).
  • The installation and removal are difficult.
  • The material in the dryer stay a long time, the material granules residence time have large differences.

Applications of Rotary Dryer:

  • Coal,
  • Drying sands,
  • Fertilizers,
  • Filter cakes,
  • Iron sulphate,
  • Limestone,
  • Ores,
  • Sewage sludge
  • Stones and soil,
  • Wood chips


We are a leading scientific laboratory equipment company. And we are the top Rotary Dryer manufacturer in India, based in Ambala.

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