High-temperature reheater anti-friction device

A high-temperature reheater anti-friction device for anti-friction of metal tubes (6) on a heated surface of a high-temperature reheater adjacent to a soot blower (5);

• wherein the high-temperature reheater anti-friction device comprises a hole-type tube clamp (1), an anti-friction box (2) and an anti-friction cover (3) arranged on the metal tubes (6) on the heated surface of the high-temperature reheater, the metal tube (6) comprises a plurality of furnace tubes arranged in parallel at equal intervals, each furnace tube comprises a U-shaped bent tube section (62) and a vertical tube section (61) arranged above the U-shaped bent tube section, the hole-type tube clamp (1) is sleeved and clamped on the vertical tube section (61) of the metal tube (6), the anti-friction box (2) is covered on the vertical tube section (61) adjacent to the side of the soot blower (5), the anti-friction cover (3) comprises a 90° anti-friction cover (32) covering the outermost furnace tube on the side, adjacent to the soot blower (5), of the U-shaped bent tube section (62), and a straight anti-friction cover (31) covering the innermost furnace tube on the side, adjacent to the soot blower (5), of the vertical tube section (61), the top of the 90° anti-friction cover (32) is welded to the bottom of the anti-friction box (2), and the top of the straight anti-friction cover (31) is welded to the bottom of the hole-type tube clamp (1).