FIELD: ventilation.
SUBSTANCE: invention relates to ventilation and can be used for underground tunnel ventilation systems. System includes inlet and exhaust ventilation chambers of tunnel ventilation with delivery and suction channels respectively. At that, in it on the haul there is one ventilation shaft divided into two compartments with two supply ventilation chambers. Between the well and stations there are breakdowns with fans, and at stations two exhaust ventilation chambers are located.
EFFECT: technical result consists in improvement of ventilation efficiency at unidirectional tunnel ventilation scheme on long hauls (more than 2–2,5 km).
1 cl, 1 dwg
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