EXHAUST VENTILATION UNIT FOR WELDING LARGE-DIMENSION ARTICLES

摘要

An exhaust ventilation unit for welding large-dimension articles consists of an exhaust cowl. A mouth of the exhaust cowl is installed on a receiving box, lateral side of which is equipped with a suction opening. In this case, mobile vertical curtains-screens are located perpendicular to the plane of suction, and in parallel to the plane of suction a mobile horizontal curtain-screen is located, which are hingedly connected with receiving box.