still in the treatment from the oven chambers in elketriska furnaces avgaende exhaust, by natural draught welcome from the oven chamber and device for utovande of

摘要

The installation comprises an elbow, at the top of which is an inlet valve to a water spray fitted chimney to provide extraction suction. The bulk of the gas is however passed downwards through washers and dust extraction equipment to be emitted into atmosphere through another chimney. The design economises in capital and running expenses of large fans. It is esp., for use in conjunction with steel making.