HOT-WATER BOILER Russian patent published in 1994 - IPC

FIELD: heat power engineering. SUBSTANCE: hot-water boiler has housing embracing the furnace chamber with door and rows of fire smoke tubes which receive heat exchange intensifiers provided with flow turbulators. Heat exchange intensifiers are made in form of stack of plates mounted longitudinally relative to guides arranged diametrically on the tube walls. Thickness of plates of each above lying row exceeds that of underlying row. Plates are detachable. Flow turbulators are made in form of holes in plates. Flow turbulators are made in form of V-shaped projections with their points directed towards flow. EFFECT: enhanced efficiency. 5 cl, 8 dwg