DEVICE FOR HEATING AIR BY FLUE GASES
One or more tube sections (2) mate with a supply flue (1). Each section (2) comprises heat-exchange tubes (3) attached to tube plates (4). A device for protection of the heat-exchange tubes (3) against abrasive wear incorporates at least one screen (5) formed by corrugated sheets facing each other a...
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Format: | Patent |
Sprache: | eng |
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