HOT-WATER BOILER Russian patent published in 1996 - IPC

FIELD: heat engineering water heating systems and heating of various liquids. SUBSTANCE: hot-water boiler consists of shell 1, furnace 2 with fire grate 3, transverse water walls 4 and bundles, brickwork 6, hinged baffle plate 8, thermal protective cover 9 and heat-air linings. After firing up of furnace material on fire grate 3 and complete loading of furnace 2, continuous burning of fuel is started. Lower layer burns freely, space between surface of burning and suspended walls 4 is fed with oxygen of air with no interference; any fuel is burning intensively. According to degree of settling of fuel, walls of water jacket of shell 1 and inclined walls of transverse shields 4 are connected to heating of heat-transfer agent. EFFECT: enhanced efficiency. 2 dwg