Apparatus and method employing an inlet extension for transporting and metering fine particulate and powdery material

摘要

A solids pump apparatus for transporting and metering particulate material including a transport channel having an inlet and an outlet. The transport channel is formed between substantially opposed faces of first and second rotary discs movable between the inlet and outlet towards the outlet and at least one arcuate wall extending between the inlet and outlet. The apparatus further includes an inlet extension and a device provided adjacent the inlet extension for improving the flow of the fine and powdery particulate solids within the apparatus.