FIELD: physics; heating.
SUBSTANCE: air exhausted from restricted space and moved outside of specified restricted space serves as base air environment for oxygen production. Oxygen is released from specified air environment, and generated residual gas is out from restricted space. Released oxygen is supplied back to restricted space. And oxygen is supplied through relative automatic controller. Air exhaust from restricted space is combined with additional supply of outside air. Plant consists of internal device mounted inside of restricted space, external device and air supply unit. It is possible to deliver air to restricted space while air is sampled with simultaneous circulation, cooling (heating), draining and air disinfection in restricted space.
EFFECT: air quality improvement and provided safe level of oxygen.
18 cl, 7 dwg
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