Corps rotatif, appareil et procédé de traitement du métal en fusion

Drehkörper, Vorrichtung und Verfahren zur Behandlung von Metallschmelzen

Rotary device, apparatus and method for treating molten metal

Abstract

A rotary device for dispersing gas in molten metal comprises a hollow shaft (1) and a hollow rotor (2) attached to the shaft (1), the rotor (2) having a plurality of vanes (11) extending from the shaft (1) towards the periphery of the rotor (2) and dividing the rotor (2) into a plurality of compartments (C), each compartment (C) having an inlet (9) adjacent the shaft (1) and an outlet (10) adjacent the periphery of the rotor (2), and the rotor (2) having means for passing gas from the discharge end (8) of the shaft (1) into the compartments (C), wherein the discharge end (8) of the shaft (1) opens into a manifold (M) in the rotor (2) and the inlets (9) for the compartments (C) are present in the wall (6a) of the manifold (M). When the device is rotated in molten metal contained in a vessel and gas is passed down the shaft (1), metal is drawn into the manifold (M) and breaks up the gas stream emerging from the shaft (1) into very small bubbles. The gas/metal dispersion flows into the compartments (C) through the inlets (9) and out through the peripheral outlets (10) and the gas is dispersed through the whole body of molten metal.

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Patent Citations (3)

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NO-Patent Citations (0)

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Cited By (15)

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    BE-1003516-A3April 14, 1992Rech S Et Dev DesaarLance de soufflage multi-tubes.
    DE-19703062-C1March 26, 1998Conradty Mechanical & ElectricVorrichtung zur Dispergierung von Gasen in einer Metallschmelze
    DE-202013102823-U1August 14, 2013Jap Trading S.R.O.Vorrichtung zum Raffinieren von Metallschmelzen
    EP-0396267-A1November 07, 1990Foseco International LimitedMethod and apparatus for the treatment of molten metals
    EP-0423098-A1April 17, 1991RECHERCHES ET DEVELOPPEMENTS DESAAR, société anonymeMulti-tube blowing lance
    EP-0438004-A1July 24, 1991PECHINEY RECHERCHE (Groupement d'Intérêt Economique régi par l'Ordonnance du 23 Septembre 1967)Verfahren und Vorrichtung zum Herstellen von Verbundwerkstoff-Körpern mit Metallmatrix
    EP-0476534-A1March 25, 1992VAW Aluminium AGVorrichtung zum Reinigen von NE-Metallschmelzen, insbesondere Aluminiumschmelzen
    EP-0495581-A2July 22, 1992Foseco International LimitedTube tournant pour transporter des matériaux granulés
    EP-0495581-A3February 03, 1993Foseco International LimitedRotary pipe conveyor apparatus for granular materials
    EP-1132487-A1September 12, 2001Alcan International LimitedSpülgasbehandlung von Metallschmelzen mittels Rotationsinjektoren
    EP-2739927-B1October 07, 2015Jap Trading S.r.o.Dispositif de raffinage de métal en fusion
    FR-2656001-A1June 21, 1991Pechiney RechercheProcede et dispositif d'elaboration de produits composites a matrice metallique.
    FR-2763079-A1November 13, 1998GraphitechRotor et installation pour le traitement d'un bain de metal liquide
    GB-2396310-AJune 23, 2004Foseco IntRotary device with vanes for dispersing a gas in a molten metal
    WO-2014005560-A1January 09, 2014Jap Trading S.R.O.Vorrichtung zum raffinieren von metallschmelzen