HOT-WATER BOILER Russian patent published in 2013 - IPC F24H1/00 

FIELD: heating.

SUBSTANCE: hot-water boiler includes a furnace, rear and front end walls, a gas duct and a water-tube heat exchanger, a return water and supply distributor and return water and supply connection pipes; heat exchanger is formed with horizontal transversely finned steel tubes fixed only on rear end wall of the boiler and welded to position plates, together with which they can be moved along a position pin relative to the boiler; front and rear end walls of the furnace are made in the form of a flat plate; rear wall is provided with a cylindrical water chamber separated into two individual cavities: return water distributor and supply distributor, and front wall is provided with a detachable non-cooled cover plate.

EFFECT: improving maintainability and reliability of hot-water boiler with simultaneous improvement of its efficiency due to reduction of heat losses.

2 cl, 7 dwg