WATER-HEATING SYSTEM, HOT-WATER HEATING AND HOT-WATER SUPPLY SYSTEMS Russian patent published in 1998 - IPC

FIELD: water supply system. SUBSTANCE: device that has casing 1 with furnace 2 provided in top wall with cover 3 for charging it with solid fuel, ash bin 4 with aperture for door 5, mounts 7 for grate bars 6, compartment 20 with water-heating tank having vertical fire tubes 24 and vertical wall 22 between furnace 2 and compartment 20 forming flue 23 interconnecting the latter is furnished, in addition, with waterwalls 12, 13, 14 whose top parts have projections 16; waterwall 14 is placed on above vertical wall 22 and functions as its extension; side walls of furnace 2 have pins 17 for mounting waterwalls and suspension grate bar 15. When device is designed to burn solid fuel, mentioned mounts in furnace 2 carry horizontal grate bar 6 and door 5 is installed in aperture of ash bin 4; device is also provided with vertical suspension grate bar 15 and intermediate inclined waterwall 13 supported by the latter at its bottom end, both secured by pins 17. Waterwall 12 is set in inclined position and rests on intermediate waterwall 13 both forming surface curved towards internal wall of furnace 2. Horizontal grate bar may be provided with stops 9 and end ports 9 to pass air from ash bin; inclined grate bar 10 and curvilinear perforated wall 11 are installed above ports 8 on stops 9. When designed to burn gas, furnace 2 has gas burner mounted in aperture of door 5 of ash bin 4, waterwall 12 is placed horizontally in top part of furnace 2. EFFECT: enlarged functional capabilities. 6 cl, 5 dwg