Patent ID: 7100521
Filing Date: 2006-09-05
Classification: B01D,F23J

Abstract:
1. A three-dimensional baffle for aerodynamically separating ash particles from a flow of flue gas flowing through an economizer gas outlet flue having a front wall, a rear wall, a width measured between side walls connected to the front and rear walls, and an economizer gas outlet, comprising: a plurality of triangular baffle plates arranged in a three dimensional configuration and connected to one another so as to form a plurality of inverted pyramid shapes when the baffle is attached to the rear wall and placed across a width of the economizer gas outlet flue just below the economizer gas outlet, the plurality of triangular baffle plates forming each of the inverted pyramids forming three sides of each inverted pyramid, each inverted pyramid shape connected side by side to an adjacent pyramid shape across the width of the economizer gas outlet flue, an open, fourth side of each of the inverted pyramid shapes located on a side of the baffle closest to the front wall when the baffle is placed within the economizer gas outlet flue just below the economizer gas outlet.