A HEAT CONDUCTING SUPPORT DEVICE FOR HORIZONTAL COILS LOCATED THE BUNDLE CHAMBER OF FLUIDIZED BED COMBUSTION BOILERS

摘要

The invention relates to a heat conducting support device for horizontal coils located in the bundle chamber of fluidized bed combustion boilers comprising at least one vertical steam cooled hanger tube (1) allowing a plurality pairs of horizontal coils (2) to be shrink fitted through at least one solid forged strap (3) with the vertical tube (1); and a spacer sleeve (5) provided in between each pair of forged straps (3), wherein each strap (3) is provided with a central hole (6) including a countersunk groove, and wherein the central hole (6) is constructed with close tolerance to allow the shrink-fil of the forged strap (3) and the tube assembly (1,2).