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the use of screen changer in extruder

The screen changer is a manual or automatic switching device that includes one or more filters. It is used to filter out foreign particles and impurities when plasticizing material flow screen. The filter is supported by an alloy porous plate. The porous plate is mounted on a plate or column type carrier, and the carrier can be moved to switch between the working position of a system and the off-line position of the off-line. The exchanger can be installed in any new or existing extruder, melt pump, reactor or other extrusion line. It can be used to filter any type of polymer, rubber or ceramic melt.

In the production of plastic extrusion, there may be a variety of impurities and foreign bodies, as well as small crystalline particles that are incompletely plasticized, especially in the recycling process of recycled plastic, such as paper, aluminum foil, sand, iron, copper wire, wood chip, defoaming agent and so on. Impurity filtration will cause the decline of product quality, the increase of the product and the interruption of production, even the damage to the extrusion equipment, so that the huge waste of raw materials is produced, the production cost and energy consumption are high, the production capacity is relatively lower, and the labor intensity of the workers is increased.

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Batte is a professional screen changer manufacturer, supplying screen changer, especially screen changer for extrusion mould.