BOILER Russian patent published in 2002 - IPC

FIELD: generation of steam; heat-power engineering. SUBSTANCE: proposed boiler has furnace with front, side and rear baffle walls with slag screen in upper portion; furnace is made from gastight tubes rigidly secured by bands, drum which is mounted on roof beams of framework by its supports. Tubes of side water walls are communicated with drum through chambers and steam-escape tubes; tubes of front and rear baffle walls are directly communicated with drum. Furnace is supported by bearing strake of boiler mounted below slag screen by means of brackets which are secured to tubes of baffle walls and are rigidly secured together by means of angle-pieces whose flanges are mounted on supporting strake of boiler; end brackets of baffle walls are located at several rows of tubes from corners of furnace. EFFECT: enhanced durability of boiler. 3 cl, 7 dwg