FURNACE AIR FEEDING DEVICE Russian patent published in 1994 - IPC

FIELD: power engineering. SUBSTANCE: walls of air feed box 2 which has end outlet embrasure 3 are made from longitudinal cooling tubes 4 and spacers 5 positioned in between. Sections of spacers 5 located inside the furnace are made with apertures 9. A splitter longitudinally inclined at a sharp angle to its spacer 5 and tightly adjacent to it by the front down the air flow end is mounted in box 2 opposite to each aperture 9. EFFECT: improved structure. 3 dwg