A trough for cooling and delivering molten metal to a casting station. The trough comprises a refractory portion for holding the molten metal and heat transfer means associated to external walls of the refractory portion for extracting heat from the molten metal. The heat transfer means may comprise a fluidized bed compartment for holding and fluidizing a fluidization material. Also, the heat transfer means may comprise a cooling jacket, an inner wall of the cooling jacket and the external walls of the refractory portion defining the fluidized bed compartment.

A trough for cooling and delivering molten metal to a casting station. The trough comprises a refractory portion for holding the molten metal and heat transfer means associated to external walls of the refractory portion for extracting heat from the molten metal. The heat transfer means may comprise a fluidized bed compartment for holding and fluidizing a fluidization material. Also, the heat transfer means may comprise a cooling jacket, an inner wall of the cooling jacket and the external walls of the refractory portion defining the fluidized bed compartment.

A molten metal processing device including a molten metal containment structure for reception and transport of molten metal along a longitudinal length thereof. The device further includes a cooling unit for the containment structure including a cooling channel for passage of a liquid medium therein, and an ultrasonic probe disposed in relation to the cooling channel such that ultrasonic waves are coupled through the liquid medium in the cooling channel and through the molten metal containment structure into the molten metal.

A molten metal processing device including a molten metal containment structure for reception and transport of molten metal along a longitudinal length thereof. The device further includes a cooling unit for the containment structure including a cooling channel for passage of a liquid medium therein, and an ultrasonic probe disposed in relation to the cooling channel such that ultrasonic waves are coupled through the liquid medium in the cooling channel and through the molten metal containment structure into the molten metal.

The disclosure relates to a device for producing an investment casting component, comprising a melting chamber having an induction coil assembly disposed in the melting chamber, wherein the induction coil assembly is adapted to melt off an electrode at least partially received therein to produce a ceramic-free continuous melt jet having a melt flow rate MFR of at least 2.5 kg/min. The device further comprises a casting chamber downstream of the melting chamber and connected thereto, with an investment casting mold received or receivable therein for being filled by means of the ceramic-free, continuous melt jet.

The disclosure relates to a device for producing an investment casting component, comprising a melting chamber having an induction coil assembly disposed in the melting chamber, wherein the induction coil assembly is adapted to melt off an electrode at least partially received therein to produce a ceramic-free continuous melt jet having a melt flow rate MFR of at least 2.5 kg/min. The device further comprises a casting chamber downstream of the melting chamber and connected thereto, with an investment casting mold received or receivable therein for being filled by means of the ceramic-free, continuous melt jet.

An embodiment of the present invention relates to a method for manufacturing high-chromium (Cr) molten steel having a chromium (Cr) content of 4.5 wt % to 5.5 wt %, and the method may comprise the operations of: inserting molten steel into a steel converter used in the process of manufacturing stainless steel; and inputting chromium (Cr)-containing chromium steel alloy into the steel converter such that the content of chromium (Cr) in the molten steel reaches 4.5 wt % to 5.5 wt %. Therefore, according to the embodiments of the present invention, high-chromium (Cr) molten steel can be manufactured by using a steel converter that is used in the steelmaking process of other steel types, without contaminating same.

An embodiment of the present invention relates to a method for manufacturing high-chromium (Cr) molten steel having a chromium (Cr) content of 4.5 wt % to 5.5 wt %, and the method may comprise the operations of: inserting molten steel into a steel converter used in the process of manufacturing stainless steel; and inputting chromium (Cr)-containing chromium steel alloy into the steel converter such that the content of chromium (Cr) in the molten steel reaches 4.5 wt % to 5.5 wt %. Therefore, according to the embodiments of the present invention, high-chromium (Cr) molten steel can be manufactured by using a steel converter that is used in the steelmaking process of other steel types, without contaminating same.