AIR HEATER WITH FLUE GAS, INSTALLATION METHOD, AIR PIPE COMPONENT FOR AIR HEATER WITH FLUE GAS Russian patent published in 2015 - IPC F28D7/16 

FIELD: heating.

SUBSTANCE: invention refers to heat engineering and can be used for pipe installation in heat exchangers. Air heater with flue gas and method of air pipe installation for air heater with flue gas includes air pipe kit connected to the air heater, and the method involves cutting of air pipe connected to the heater and removal of the air pipe part to be replaced from the air heater; further the method involves installation of a separate new air pipe replacing the removed part of air duct, and tight connection of the new air duct to the remaining part as an extension. Connection is implemented by mounting coupling with one end connected to the end of new air pipe and the other end inserted in the remaining part of heater air pipe.

EFFECT: simplified repair and replacement of air pipes in heater.

15 cl, 7 dwg