Patent ID: 9206548
Filing Date: 2015-12-08
Classification: D21C,Y10T

Abstract:
1. An apparatus for regulating a smelt flow from a recovery boiler to a dissolving tank, the apparatus comprising: a restrictor assembly disposed proximate a smelt spout, between the recovery boiler and the dissolving tank, wherein the restrictor assembly comprises at least a restrictor plate and an actuator for controlling a position of the restrictor plate, wherein a portion of the restrictor plate configured to restrict smelt flow is a continuous piece having an area defined by a first side opposite a second side and a height of the continuous piece, and wherein the restrictor plate is adapted to rotate between a first position and a second position, wherein the first position is such that the restrictor plate does not partially or substantially restrict the smelt flow to reduce a rate of the smelt flow traveling from the recovery boiler to the dissolving tank through the smelt spout, and wherein the second position is such that the area of the continuous piece of the restrictor plate fills a smelt spout area defined by a first wall of the smelt spout opposite a second wall of the smelt spout and a height of the continuous piece extending into the smelt spout to partially or substantially restrict the smelt flow to reduce the rate of smelt flow flowing through the smelt spout.