feed hopper structure for treating plastic granular material thereby establishing a mass flow and method for controlling the downward flow of granular material in a feed hopper

摘要

feed sump structure for treating granular material and method for controlling downward flow of granular material in a feed sump, comprising an inner sidewall section arranged in use as an upper tubular sidewall, a tapered bottom section having a delivery nozzle and an elongate supplement body, characterized in that the supplement comprises an upper portion and a lower portion disposed on the lower tapered portion of the feed tank and tapered away from the upper portion, the upper portion axially. extending from the bottom of the lower portion to at least half of the upper tubular section at an angle syn 242 with respect to a vertical line.