Metallurgical apparatus – Means for introducing fluent into vessel – e.g. – tuyere – Having means for simultaneously feeding diverse materials
Patent
1990-01-05
1991-08-06
Kastler, S.
Metallurgical apparatus
Means for introducing fluent into vessel, e.g., tuyere
Having means for simultaneously feeding diverse materials
266216, 266224, C21B 716
Patent
active
050370723
ABSTRACT:
An injection block of an injection valve is disclosed which is normally intended for installation in a metallurgical vessel or holding vessel containing ferrous metal. Other metals can be similarly treated by injection metallurgy, but the maximum utility is believed to be involved in the processing and metallurgical finishing of ferrous metals. The injection block is provided with orifice passages terminating in orifices through which the injections are gas driven, wire fed or in pellet form inserted into the molten metal in the vessel. The orifice passages are angled in one of two directions or a combination of the two directions, radially relative to the axis of the injection block and/or tangentially away from an element that is parallel to the axis of the injection block so as to circumvolve the axis of the injection block. The method of the present invention is directed to a method of injecting material into a liquid metal held within a vessel in such a fashion that they will initially be impelled on an axis which is not along or parallel to the vertical axis of the vessel regardless of the mounting position of the injection mechanism to thereby promote bubble break-up and maximum dispersion of the injection.
REFERENCES:
patent: 4575393 (1986-03-01), Bates et al.
patent: 4771992 (1988-09-01), King
patent: 4840356 (1989-06-01), Labate
King Patrick D.
Shapland Earl P.
Dominik Jack E.
Flo-Con Systems, Inc.
Kastler S.
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