Patent ID: 8955776
Filing Date: 2015-02-17
Classification: B05B,F23D,Y10T

Abstract:
1. A high-wear solid fuel nozzle transition section comprised of: a plurality of interleaved corner pieces and wall pieces each having tab edges welded to tab edges of adjacent wall pieces and corner pieces, respectively, to form a conduit having an inlet end and an outlet end; each corner piece formed from a flat corner elongated trapezoidal-shape metal piece with a corner inner face, a corner outer face, two corner longitudinal edges, a corner inlet edge, and a corner outlet edge with the two corner longitudinal edges folded toward each other along at least one corner crease area into a corner shape at least near the corner outlet edge, and the corner inlet edge rolled toward the corner inner face into a curved shape, each wall piece formed from a flat wall elongated trapezoidal-shape metal piece with a wall inner face, a wall outer face, two wall longitudinal edges, a flat wall inlet edge, and a wall outlet edge rolled toward the wall inner face into a curved shape, the wall pieces and the corner pieces each having a high-wear weld overlay section covering at least a portion of the wall inner face and the corner inner face, respectively.