Ceramic heat shield for gas turbine flame tube - comprises number of blocks arranged next to one another clamped on cold side of holder

摘要

Each block (2) is attached to the flame tube (1) by at least one holder (3), and consists of a cold side (4) facing the tube wall, a hot side (5) turned away from the tube wall, and at least two flanks which join the cold and hot sides. The holders (3) are fixed to the flame tube, and contain at least two clamp lugs which engage the cold side of the block between the flanks. Each block has grooves in its flanks, and each clamp lug has a clamping arc which engages in a groove. Each block has a support side (11) joining the cold and hot sides, and forming an angle with the flanks. The holders (3) each have a support (12) which locates against the block support side (11). USE - As a heat shield for the flame tube of a gas turbine.