Водогрійний котел

Abstract

A hot water boiler includes a body, combustion chamber, afterburning chamber, heat exchanger, branch pipes for supply and discharge of heat carrier connected to the water jacket of the boiler, the branch pipe for discharge of combustion products. The combustion chamber is placed over the afterburning chamber made of thermo-stable material. The chambers are connected to each other through a rectangular channel where openings for supply of secondary air are placed, and the openings for supply of primary air are provided in the walls of the combustion chamber equipped as well with an additional burner for combustion of natural gas. The heat exchanger of the hot water boiler is arranged as vertical and is equipped with intensifiers of heat exchange as plates and is placed over the afterburning chamber near the loading chamber. Over the heat exchanger a branch pipe for discharge of combustion products is provided.