FUME HOOD SYSTEM FOR LABORATORY WITH INDOOR SUCTION AND EXHAUST

摘要

The present invention relates to a fume hood system for a laboratory use, which releases harmful chemicals or pollutants and comprises a fume hood installed in a laboratory (1). More specifically, the fume hood system of the present invention comprises: an air exhaust fan (110) exhausting internal air; a plurality of fume hoods (120) connected to an exhaust duct (113) through a fume hood exhaust duct (126); an Individual hood controlling part (130) controlling an operation of an air exhaust proportional control damper (124) and an air exhaust booster fan (125); an air supply apparatus supplying external air; a laboratory air supply duct (150) supplying external air to each laboratory (1); a between-laboratory pressure differential sensor (160) sensing a discrepancy in pressure of internal and external laboratory; and a central control part (170) controlling air exhaust and supply and adjusting an amount of air exhaust and supply.