FIELD: ventilation.
SUBSTANCE: invention relates to ventilation and air conditioning systems and can be used to create optimal microclimate parameters in public and industrial buildings for various purposes. Recirculating air distributor contains a static pressure chamber with outlets, an outdoor air nozzle, a recirculation air nozzle with an inlet fan installed in it, fan speed converter, temperature sensors, controller, while the outlines of the outdoor air and recirculation air being separated in the static pressure chamber, circuit of recirculation air in the static pressure chamber is divided into three zones: the inner zone A, the middle zone B and the outer zone C, areas of zones A, B and C have a ratio of 1/2.75/4.58, and at the recirculation air inlet in zones B and C there are control dampers installed.
EFFECT: ensuring the permanence of the characteristics of the supply jet and aerodynamic resistance in the outdoor air network with a change in the flow rate of the recirculation air.
1 cl, 2 dwg
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