Experiences with derrick high speed screening machines in the finest screening of high quality quartz sands

摘要

In September 2001, Strobel Quartz Sand GmbH in Freihung celebrated their 125th company anniversary. For this reason the company presented the historic development of the nationally known extraction and refinement enterprise for high quality industrial sands and reported, among other things, on the new operational development, the arrangement of dry final product fine grading with Derrick high speed screening machines.