Method for producing sample from filter or fly ash

摘要

An apparatus and a method for producing samples of a finely granular and dry material for measuring the residual carbon content thereof. The material is fed by a torque monitored conveyor screw to a measuring chamber and is progressively compacted therein. At an abrupt increase in screw torque feeding of the material ceases yielding a sample in the measuring chamber of a reproducible degree of compaction.