SPACING DEVICE FOR HEATING SIDE OF BOILER Russian patent published in 1994 - IPC

FIELD: heat and power engineering. SUBSTANCE: clamp 2 and plate 3 are interconnected and enclose heat exchanging pipes 1 arranged in the same plane. Clamp 2 and plate 3 prevents from displacements of the pipe. Rods 4, which are rigidly connected with clamp 2 for instance and positioned between pipes 1, provide a given spacing between pipes 1. For preventing against sliding of clamp 2 and plate 3 over the pipes one of middle pipes has a part with ribs 6. Clamp 2 and plate 3 bear on the ribs. When different linear extension of pipes 1 occurs the spacing device provides free movements of the pipes along their axis. EFFECT: improved design. 2 dwg