HOT-WATER BOILER Russian patent published in 1999 - IPC

FIELD: heat supply systems of public services, industrial and agricultural objects. SUBSTANCE: furnace is formed by front and hearth baffle walls, inner and outer side baffle walls, roof and rear baffle walls. Baffle walls are provided with two rows of windows and consist of horizontal and vertical tubes connected with headers. Longitudinal headers are connected by means of vertical baffle wall provided with two rows of windows and located in center of furnace chamber. Tubes of front baffle wall are set apart for burner devices and are connected with external tubes of roof baffle wall. Front baffle wall is connected with horizontal headers whose ends are connected with front vertical headers. Boiler may be provided with anticorrosive coat. EFFECT: increased heat extraction from furnace chamber and reduced losses of heat. 6 cl, 7 dwg