DEVICE FOR CONTACT HEAT RECOVERY Russian patent published in 2006 - IPC F24H1/10 

FIELD: heat power engineering.

SUBSTANCE: device for contact heat recovery comprises vertical housing provided with the top gas discharging collector and bottom gas supplying collector provided with openings, nozzle with sprayer, and control gate. The outlet face of the perforated conical ring with central gas bypass is mounted above its bottom base. The collector is defined by the ring chamber mounted on the housing and having common wall with it, which is provided with movably control gate. The wall and gate have openings that arranged over periphery in rows. The flowing sections of the openings in the wall of the housing and control gate increase upward. The output face of the gas bypass of the ring is provided with saw-tooth teeth.

EFFECT: enhanced efficiency.

1 cl, 4 dwg