HEAT EXCHANGER ELEMENT Russian patent published in 2023 - IPC F23L15/04 

FIELD: heat exchange equipment.

SUBSTANCE: invention relates to recovery heating devices for gas furnaces and can be used for high-temperature heating of air used for burning fuel in heating and thermal furnaces. The heat exchange element of the heat exchanger contains an external heat transfer pipe and a distribution chamber, which are plugged with bottoms at one end and connected to the air supply and exhaust pipes at the other. Gas outlets are located in the wall of the distribution chamber.

EFFECT: diameters of the gas outlet holes increase from the center in the directions of the blind and outlet ends.

1 cl, 3 dwg