DOHMEYER Screw Conveyors are not only made for horizontal conveying processes but also slightly upwards, while the products in the cryogenic screw conveyor are gently sprayed and mixed with liquid nitrogen or liquid carbon dioxide. Cryogenic screw conveyors can cool or freeze a wide variety of products, typically to prepare the texture and temperature before grinding (coffee, spices, herbs, …). Cryo Screw conveyors are saving time, reduces labour cost, eliminates handling and is more hygienic than conventional methods. DOHMEYER Cryo Screw Conveyors are tailor made with vacuum tube screws insulation or PIR insulated trough with doors for easy access and cleaning of the screw. Adjustable paddles ensuring a better homogeneous cooling or freezing of the product.