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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. 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.
ADVANTAGES OF THIS TECHNOLOGY
Handling of heterogeneous products with a large range of shape size and density
High drying / calcining temperature
All kind of powders, crystals, beads, granules, fibers, cakes, chips, for all industries (chemical, food, mineral, etc.)
COMESSA, SOLUTIONS FOR THERMAL PROCESSING OF DIVIDED SOLIDS.
A RECOGNIZED EXPERIENCE FOR OPTIMIZED SOLUTIONS, SINCE 1920.
A FULL RANGE OF CUSTOM-BUILT EQUIPEMENT :
COMESSA supplies solutions for thermal treatments of divided solids: drying, cooling, calcining, gas-solid reaction, granulation and coating for fertilizers, cooking and toasting for agro-food products.
COMESSA can propose taylor-made solutions for a wide range of technologies:
COMESSA is serving all kind of industries: chemical, fertilizers, agro-food, minerals, environment/recycling.
- Drying and Cooling
- Gas-solid reactions
- Granulation and Coating
- Cooking and Roasting