Relationship between Homogenization and Pit Crane Scatter Operation in General Waste Incineration Plant

Abstract

For stable combustion of general waste incineration, homogenization of the waste put into the furnace is required. For this purpose, a method of agitating the accumulated waste in the pit using an overhead crane with a bucket is adopted. For example, high waste is piled on top of waste with a low calorific value, and the bucket is repeatedly picked up and released to agitate. In addition, when there is a large deviation from the standard waste quality, the bucket is gradually opened while the crane is traversing or running to scatter the waste in the pit, aiming for an agitation effect. Recently, as the automation of facilities progresses, there is an increasing need to quantitatively grasp the scatter performed by operators. In this report, we verified how effective the scatter operation is in the homogenization of waste in medium- to long-term operation. Considering the difficulty of medium- and long-term verification using an actual machine, we developed a simulator using a discrete system simulation, evaluated the scatter operation, and clarified its characteristics.