Pit & Quarry, October 2010
deck but not the second is conveyed to a 57 stone stockpile Limestone passing the second deck is stockpiled separately for the 89 stone product Fines passing through the bottom deck are flumed to a 44 in double screw washer where the minus 200 mesh material is removed Its one screening son of a gun Parker says It gives us a wonderful product that is very clean and well graded Although designed for 300 tph the circuit has produced in excess of 400 tph of saleable product at times At the heart of the circuit lies a Terex Cedarapids 4040 horizontal shaft impact crusher delivering high production capacities Overs from the top screen deck typically minus 5 in material are fed into the impactor and then rescreened and sent to the different product stockpiles We only see about 13 to 15 percent returns from the crusher Parker adds Room for growth By March MFM received and put into production all of the crushing and hauling equipment Investment in this new up O P E R A T I O N S The new articulated trucks at MFM seen at left and on the next page were selected to keep pace with the companys new high production primary and secondary crushing circuits 26 PIT QUARRY October 2010 www pitandquarry com
You must have JavaScript enabled to view digital editions.
