Apparatus for blowing powdery refining agent into refining vesse

Details Apparatus for blowing powdery refining agent into refining vesse Apparatus for blowing powdery refining agent into refining vesse

1985-02-21

1986-09-23

Rutledge, L. Dewayne

Metallurgical apparatus

With control means responsive to sensed condition

With means supplying a treating agent

266216, 266267, C21B 502

Patent

active

046131132

ABSTRACT:
Disclosed herein is an apparatus for blowing a powdery refining agent into a refining vessel which is adapted to blow the powder into a molten metal bath of the refining vessel together with a refining gas by feeding the powder from a pressure vessel to a main pipe for the supply of the refining gas. The pressure vessel is connected to the main pipe through a plurality of transportation pipes each provided with an on-off valve and connected to a secondary gas pipe for introduction of the refining gas downstream of the on-off valve. The secondary gas pipe is provided with a flow control valve.

REFERENCES:
patent: 3689045 (1972-09-01), Coulter et al.
patent: 4136857 (1979-01-01), Kolb
patent: 4286774 (1981-09-01), Benatar
patent: 4395166 (1983-07-01), Ulveling

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