LOCAL EXHAUST VENTILATION SYSTEM USING ROTARY TYPE DOUBLE JOINT DUCT WHICH HAS IMPROVED VENTILATION EFFICIENCY

摘要

PURPOSE: A local exhaust ventilation system using rotary type double joint duct is provided to connect multiple ducts and rotors.;CONSTITUTION: A local exhaust ventilation system using rotary type double joint duct comprises an exhaust hood(10), a first rotator(20), a first rotation duct(30), a second rotator(40), a connection duct(50), a second rotation duct(60), a third rotator(70), an exhaust duct(80), a supporting member(90), a contaminant processing unit, a blower. The exhaust hood is located on the upper part of a contaminant exhaustion part and sucks contaminants. The first rotor is formed on the top of the exhaust hood.;COPYRIGHT KIPO 2012