Hardening tunnel for packaged and unpackaged products, consisting of an isothermal cell inside which runs a spiral conveyor belt wound with a single or double drum. The number of turns for each drum as well as the width of the conveyor varies according to the hardening time required and the size of the containers. The structure is completely in stainless steel.
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Hardening tunnel for packaged and unpackaged products, consisting of an isothermal cell inside which runs a spiral conveyor belt wound with a single or double drum. The cooling system with evaporators and refrigeration units can be Freon, Ammonia or C02, depending on the needs, sized according to the production needs. The evaporators, complete with axial fans, are designed to extend to the full height and width of the spiral allowing the air to be blown horizontally in an almost identical manner on all the spirals. The electric control panel of the line is equipped with a Touch Screen Operator Panel, Plc, activation switches and emergency buttons. The control hardware can be SIEMENS, ROCKWELL / ALLEN BRADLEY, or other of the same level. The line is supplied turnkey complete with all accessories and connections.