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Pelletizers | machinery


onto existing pelletizers. The choice of angled or straight blades depends


primarily on product viscosity. Higher viscosity prod- ucts, which are a little harder to cut, will display a cleaner cut with an angled blade. Angled blades are also somewhat more wear resistant when cutting highly filled products. However, in the past designers were forced to use straight blades if they needed to increase the number of blades on the hub. Asmuss says the cast blades give more design freedom. A recently introduced optional belt filter for the


temperature-controlled water system of Nordson BKG Master-Line underwater pelletizers reduces downtime and operator intervention by providing continuous, auto- mated filtration of fines. The new water filtration system also has a finer filter mesh - 150 µm against the 200 µm capability of the standard system. As a modular system that can be interchanged with


the standard alternative, the new belt filter opens up the possibility of upgrading the standard system on previously installed Master-Line equipment. The continuously moving filter screen is constantly cleaned by spray nozzles at one end and a scraper at the other,


Left: Part of the water slide conveyor on Bay Plastics Machinery’s latest CXP series strand pelletizer


allowing fines to be collected in a catch basin beneath the belt. In the standard version, fines are collected on a large woven wire-mesh screen in a filter drawer that must be periodically removed and cleaned, a process that may require interrupting production. “The new belt-filter module provides users of Master-Line pelletizers with the finer-filtration and self-cleaning features that were previously available only on our more


Engineered


Engineered Pelletizing Solutions Manufactured


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