AIR HEATER - GAS DUCT Russian patent published in 2017 - IPC F24H3/02 F23J11/00 

FIELD: power industry.

SUBSTANCE: air heater - gas duct includes a housing, consisting of a frame and glass blocks with air channels, made from heat-resistant low-alkali glass with an elastic gasket between them, laid forming the longitudinal gas ducts between them. The housing consists of connected with each other sections, arranged from the side and inner walls, bottom, ceiling and sectional air collectors. The glass blocks are made of various configurations: with a through longitudinal air channel, with a longitudinal air channel plugged from the end face, with the longitudinal air channel plugged from the end face and connected to one lateral intake opening, plugged from the end face with the longitudinal air channel, connected to two lateral intake openings: direct U-shaped, angle L-shaped. Intake openings and air channels of the side and internal walls, bottom, ceilings in each section are communicated between each other and connected with its sectional air collector, respectively, which in its turn connected through the air pipe to the main air manifold.

EFFECT: increase of the air heater-gas duct efficiency.

8 dwg