| 摘要 |
FIELD: ventilation.SUBSTANCE: supply and exhaust ventilation device with heat recovery comprises a housing and a tube bundle of a recuperative heat exchanger, located in it with a radial gap, and a double-circuit fan located on the side of the intake air supply, and in the radial gap at the ends of the device the semi-cylindrical inserts are oppositely installed, overlapping the half of the radial gap and interconnected by two oppositely arranged longitudinal partitions. The exhaust air intake opening of the premises is located in the lower part of the device, and the exhaust air outlet opening is in the upper part.EFFECT: increased efficiency of heat transfer while reducing the labour intensity of the device manufacturing.3 cl, 2 dwg |
