Pit & Quarry, July 2018
HYDRAULIC BREAKING Were getting maximum efficiency and very little recirculating load while averaging 80 percent of our crushed material going directly out to the finished saleable product stockpile SCOTT SKERSTON RIVERSTONE GROUP valve failed and would not reset the clamp pressure Skerston says The counterclockwise rotation allowed the cone to open preventing any damage to internal components When older style cones lose clamp pressure the bowl tightens down often snapping the shaft and leading to machine failure Another feature that prevents costly damage to the new cones crushing chamber is a unique tramp relief system First its designed with fewer accumulators for minimized maintenance but most important is the inclusion of a secondary pressure relief valve that ensures the crusher will open if a tramp event occurs says Mike Schultz crushing product manager at Superior This means even if an accumulator fails the secondary relief valve will provide immediate pressure relief allowing the crusher to open Additionally Schultz points to an inverted design of the tramp release cylinders where the hydraulic cylinder rod seal is not exposed during operation This reduces the potential of contamination and failure he says Vantage an in house cone crusher automation package is the latest addition to the Patriot series Its completely built in house with no third parties involved allowing one call service and support Schultz says EQUIPMENT LIFE CYCLE MANAGEMENT As the RiverStone Group upgraded its crushing circuits Skerston worked closely with Chris Wade a customer service and technical support technician at Superior which operates a 70000 sq ft crushing equipment and parts distribution center in Pekin Illinois Chris along with the service and parts support team has specialized in cone crushing for many years Skerston says They know how to analyze our application to make us more efficient Its such an advantage to rely upon the knowledge of the equipment manufacturer The product and parts support CRUSHING Plant superintendent Scott Skerston oversaw crushing circuit upgrades that have nearly doubled tons per hour output is excellent and the Patriot cone does just what its designed to do P Q Carol Wasson is a veteran freelance writer for the aggregate and construction equipment industries Protect your Crushers from Damage Caused by Tramp Metal PROTECTOR HD METAL DETECTOR Heavy Duty 1 4 Steel Construction Digital Signal Processing Touchscreen Controls WWW ADSDETECTION COM 414 672 0553 SHIPPED IN 2 WEEKS OR LESS A Sister Company of Milwaukee WI USA pitandquarry com July 2018 PIT QUARRY 25
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