5 products found

Comessa S.A. Products

• Fluid Beds

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  Comessa - Static Fluidized Bed

  The fluidization is a state of dynamic balance of a divided solid in an ascending moving gas. It confers hydraulic properties to solids (angle of repose equal to zero, easy spreading, total filling of a receiver in which the product is fluidized). Such method of bringing in contact a solid with a gas, allows high mass and heat transfers. Mechanical energy transferred by gas to the particles is low enough to prevent attrition. Crystals for instance will ...

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  Comessa - High Temperature Fluidized Bed

  In complementto standard static or vibrating fluidized beds, suitable to work up to 400°C COMESSA designs also high temperature fluid beds up to 950°C. This batch fluidized bed is constituted by a metallic cylindrical reactor heated through the wall, allowing an internal controlled atmosphere, independent from heating load. The retort can be externally heated by radiation with electrical coils or by hot ...

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  Comessa - Vibrating Fluidized Bed

  Fluidization confers to a divided solid the properties of a fluid. Products with a wide particle size distribution or including large particles, cannot be processed in a static fluidization equipment. It is the same for products discharged from centrifuges which are sticky or include lumps and which will not permit treatment by direct fluidization. Comessa developed the vibrating fluidized bed to solve most of these delicate drying problems. In such case, ...

• Band Dryers

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  Comessa - Band Dryers

  Band dryer is composed of one perforated conveyor supporting a layer of product passed through by process gas. Dryer is constituted by several modular sections with independent heating and air circulation systems. Process gas is blown whether downward or upward or in a combined arrangement in order to improve homogeneity of treatment. Cooling section can be foreseen after drying ...

• Flash Dryers

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  Comessa - Flash Dryers

  Flash drying works on the principle of pneumatic transport using hot air. Wet product is introduced into a high velocity air stream through a special Venturi ...