HOT-WATER BOILER Russian patent published in 2005 - IPC

FIELD: heating water; heating systems or hot water supply systems.

SUBSTANCE: proposed hot-water boiler has shell with water inlet and outlet, furnace chamber with burners, fire tubes provided with inserts and communicated by their inlets with furnace chamber and with flue gas manifold by their outlets; flue gas manifold is connected with smoke stack. Cross-section of inserts has shape of cross, for example. Mounted over periphery of inserts are turbulators in form of nozzles cut in necks; diameter of nozzle neck is equal to 0.5-0.9 of inner diameter of fire tube; distance between turbulators is equal to 0.5-2.5 of inner diameter of fire tube. Turbulators may be stamped from sheet. Water section of hot-water boiler may be divided into two cavities brought into communication; water inlet is located in upper part and outlet is located in lower part.

EFFECT: enhanced efficiency of boiler.

2 cl, 4 dwg