FIELD: ventilation.
SUBSTANCE: ventilation system of a production plant includes an exhaust duct of dust-loaded air, which includes a fan with an electric motor. The electric motor is connected to an automatic control unit of air flow rate, which is connected to an optic dust concentration sensor consisting of an emitter and a receiver, which are installed in aerodynamic channels.
EFFECT: ventilation system of a production plant allows more objective evaluation of labour conditions and improving quality of the ventilation system control.
1 dwg
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Authors
Dates
2014-03-20—Published
2012-08-15—Filed