Plug & Dry – material drying all-in-one-solution

Eisbär, Hall 10, Booth H48

In the field of auxiliary equipment, Eisbär manufactures systems to improve quality and productivity for the plastics industry, specialising in products to avoid condensation on the moulds, drying of plastic resin and the process of PET flakes.

Manufacturers are aware of the insufficient or incorrect drying. The results are the production of scrap and impair the quality of the product which leads to costly complaints. The production of high-quality products are the top priority objectives of the plastics processor. For these reasons, it demands a controlled drying process with operational reliability. The continuous and energy-saving drying from Eisbär intends to satisfy these demands.

Space for installing material drying systems is expensive and often limited. Eisbär Plug & Dry is an all-in-one-solution for efficient material drying. Power connection and material supply line is all that is requested to start the process as this system is running without cooling water. The energy-efficient compact module Plug & Dry for drying PET granules and flakes consisting of material dryer, drying hopper and material conveyance is characterised by compact design and offers a multitude of advantages. Highest efficiency for low throughputs (25-200 kg/h) combined with lower space requirement compared to conventional drying systems.

The system offers conditions using a closed circuit for continuous and rapid material drying. The adsorption drying technology offers user-optimised design and easy maintenance. The continuous drying process, lowest energy consumption and long life are basic advantages of the system to ensure optimal material drying.

The heart of the continuous material drying process is the slowly rotating adsorption wheel with its multitude of honeycombed, axially aligned tunnels. The inner walls of the tunnels are lined with a desiccant. As it flows through the lower half of the adsorption wheel, the process air is dehumidified by the dessiccant. During the next quarter-turn, hot regeneration air flows through the tunnel and in turn dehumidifies the desiccant. In the next quarter-turn, the adsoprtion wheel is cooled to operating temperature and is then able to dehumidify process air again.

To operate the interface system there is a touch panel with graphics capabilites. On a series of monitor pages, the operator can call up operating parameters in different languages, such as for instance process-air dew point, filling level in the drying hopper, delivery capacities, valve status or process temperatures. On this monitor pages one can adjust process set points and alarm settings. After selecting with the cursor, the monitor displays the type of error, the time at which it occurred and a fault signal number.

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