APPARATUS FOR CONTROLLING COMBINED AIR POLLUTION WITH SAFE RECOVERY AND CONTROL OF GASES IN STEEL CONVERTER CONTAINER BLOWED BY THE BOTTOM

摘要

The equipment consists of a converter blown with oxygen from the bottom and with mouth aperture. The water-cooled bell-shaped hood with interior diameter equal to the mouth aperture has a moveable skirt element which can be advanced or withdrawn to adjust and vary the air-gap between the bell and the mouth.