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German Technology Makes an IMPACT

Published Monday, November 01, 2004

If the idea of horizontally feeding 6- × 6-ft chunks of limestone under a single rotor with impact bars sounds foreign that's because it is. The Schlagwalzenbrecher, which translates “impact roll crusher,” was first developed by DBT Mineral Processing for crushing at German long-wall coal mines. For 25 years, the same technology has been adopted for low-silica limestone operations. Since these crushers were introduced to the United States five years ago, 14 have been sold. DBT Mineral Processing Vice President for North America Ed Kelleher, says there are about 250 impact roll crushers processing aggregates in other parts ...

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