Proceedings PaperQuantitative Analysis Of Sludge Incinerators
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A detailed study of four multiple hearth sludge incinerators was undertaken to determine the cause of observed outer wall deterioration. A qualitative inspection revealed little evidence of existing or developing structural defects. A subsequent quantitative analysis determined surface heat losses, effective R-values and temperature profiles for incinerator wall components. From this data it was hypothesized that extensive areas of saturated insulation was present within the incinerator walls and the saturating material was causing the shell deterioration. This hypothesis was proven by subsequent tests.