ROTARY TUBES
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ROTARY TUBES PRINCIPLE 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 H andling 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 Indirect rotary tube with heat exchanger Direct rotary tube MAIN APPLICATIONS MAIN PROCESSES PILOT TEST LABORATORY All kind of powders, crystals, beads, granules, fibers, cakes, chips, for all industries (chemical, food, mineral, etc.) Drying, cooling, calcining, reaction, reduction, dehydration, solvant removal, granulation, coating, polishing, shake-out, etc. For determination of rotary tube parameters and possibility to perform semi industrial tests. 101, rue du Rhin-Napoléon 67100 STRASBOURG FRANCE

can propose different types of rotary tubes COMBINED DRYER / COOLER This kind of convective rotary tube is composed of two distinct sections (drying and cooling). WITH INTERMEDIATE TRANSFER BOX WITH CENTRAL TUBE Independent sections separated by a partition wall allowing : Transfer of product through this intermediate partition Injection or exhaust of process air through this partition No internal separation between drying and cooling zones. Cooling air is re-used for drying after getting mixed with additional make-up air injected trough central pipe. INDIRECTLY HEATED WITH HEATING MANTEL...