Grinding process and unit, and corresponding production process of a hydraulic binder
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United States of America Patent
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Aug 25, 2015
Grant Date -
Nov 27, 2014
app pub date -
Nov 30, 2012
filing date -
Dec 16, 2011
priority date (Note) -
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Abstract
A grinding process, in a grinding unit including a first shop including a first mill and a first separator, an outlet from the first mill being connected to an inlet of the first separator; a second shop including a second separator and a second mill, an outlet from the second separator being connected to an inlet of the second mill; the second separator being fed by the material coming from the first separator, wherein the first separator is operated at a tangential speed of 15 to 25 m/s and a radial speed of 3.5 to 5 m/s; and the second separator is operated at a tangential speed of 20 to 50 m/s and a radial speed of 2.5 to 4 m/s.
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