Grinding aid additives for dry fine grinding processes . Aug 14, In various dry fine grinding applications, socalled grinding aids (GA) are added to the feed material or directly into the mill either to a) increase the production capacity, b) reduce the specific energy demand, which is required to obtain a certain product quality, or c) achieve finer material or a …
How Diesel Locomotives Work . The hybrid diesel locomotive is an incredible display of power and ingenuity. It combines some great mechanical technology, including a huge, 12cylinder, twostroke diesel engine, with some heavy duty electric motors and generators, throwing in a little bit of computer technology for good measure.