PURPOSE: To mechanically discharge remaining cement in a cement silo. ;CONSTITUTION: In a cement silo wherein the floor 4 is tilted toward the outlet and the product cement is discharged by jetting air from the floor 4, when the product cement is weathered, the weathered remaining cement is discharged by a scavenging robot 6. That is the scavenging robot 6 is equipped with a self running vehicle wherein a horizontally rotating boom 13 is attached to the vehicle and a working cup 17 which can change the direction up and down and forward is attached to the boom 13. A sucking hose 18 is connected with the upper face of the working cup 17 and while the working cup 18 being put to the remaining cement, the remaining cement is sucked and discharged.;COPYRIGHT: (C)1993,JPO&Japio
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