Described is an oven (1) for melting precious and non-precious metals, non-metallic materials such as ashes, organic industrial waste, inorganic material such as ceramics, which are heat-resistant and not, in particular in the jewellery sector, comprising an outer unit (2) forming an inner space (6) and having an inductive thermal unit (3) positioned around the inner space (6); an inner unit (4) positioned in the inner space (6) and having a melting chamber (5) for a metal to be melted and operating in conjunction with the inductive thermal unit (3) in such a way that a heating of the inner unit (4) by the inductive thermal unit (3) causes the melting of the metal in the melting pot (5). In particular, the melting chamber (5) has an opening (11) for loading and unloading the metal. The inner unit (4) is rotatably mounted in a motor-driven fashion on the outer unit (2) about an axis of rotation (Z) suitable for mixing the metal contained in the melting chamber (5). Moreover, the outer unit (2) has rotatable supporting means (21) defining a tilting axis (Y) perpendicular to the axis of rotation (Z) and suitable for unloading liquid metal from the melting chamber (5).

A channel type induction furnace with a furnace floor that is inclined downwards from an operative rear of the furnace hearth towards an opposing operative front of the hearth, with a wall at the front comprising a bottom section and a top section, with the bottom section extending further into the hearth than the top section, and the bottom section terminating in an upper edge in abutment with the top section, with a down-passage to an induction heater, located proximate the front wall, having an inlet in the floor at a location proximate the base of the front wall and up passage(s) having an outlet in the floor at a location in abutment with the base of the bottom section and with the bottom section being provided with a vertical slot extending upwards above the or each up-passage through it and opening onto the upper edge of the bottom section.

A sealed tilt pour electric induction furnace and furnace system is provided for supplying a reactive molten material from the furnace to a reactive molten material processing apparatus without exposing the reactive molten material to the ambient environment. The rotating component of a rotary union is connected to the furnace's enclosed furnace pour spout and rotates simultaneously with the tilt pour furnace about a common horizontally oriented rotational axis to supply the reactive molten material to the reactive molten material processing apparatus connected to the stationary component of the rotary union.

Apparatus for the production of metal including a furnace for melting metal provided with a crucible inside which a metal charge is melted. The furnace provides for tapping a liquid metal disposed on the bottom of the crucible and includes a tapping channel for the transfer of the liquid metal from the furnace. The apparatus also includes a delivery unit for delivering inert material (S) having a delivery device for the selective delivery of the inert material (S) into the tapping channel.

To provide a technique that reliably and quickly melts conductive metal, there is provided a conductive metal melting method including: rotating a magnetic field device formed of a permanent magnet, which includes a permanent magnet, about a vertical axis near a driving flow channel of a flow channel that includes an inlet through which conductive molten metal flows into the flow channel from the outside and an outlet through which the molten metal is discharged to the outside and includes a vortex chamber provided between the driving flow channel provided on an upstream side and an outflow channel provided on a downstream side, and moving lines of magnetic force of the permanent magnet while the lines of magnetic force of the permanent magnet pass through the molten metal present in the driving flow channel; allowing the molten metal to flow into the vortex chamber by an electromagnetic force generated with the movement to generate the vortex of the molten metal in the vortex chamber into which the raw material is to be put; and discharging the molten metal to the outside from the outlet. The conductive metal melting method further includes driving the molten metal present in the outflow channel toward the outlet by an electromagnetic force generated with the movement of the lines of magnetic force as necessary.

High alumina cement is produced in a submerged combustion melter, cooled and ground.

High alumina cement is produced in a submerged combustion melter, cooled and ground.

An apparatus to move and preheat metal material (M) to be fed to a container comprises a containing structure, having an internal compartment and provided with a support wall, a conveyor for the material (M), a fume transit section whose volume reduces as it is distanced from said container along the longitudinal development of said containing structure, and a collector for hot fumes (F) whose volume increases in a manner correlated to said reduction in the fume transit section. The collector is located below said conveyor inside the internal compartment essentially along the entire longitudinal development of said containing structure. Moreover, one or more through apertures are made in said support wall to put the conveyor and the collector into fluidic connection.

High alumina cement is produced in a submerged combustion melter, cooled and ground.

A method of driving conductive molten metal and a melting furnace, the method including making direct current flow vertically between a first electrode, and applying a magnetic field radially toward the center of a melting chamber from the outside of the melting furnace or toward the outside of the melting furnace from the center of the melting chamber to apply torque. The method further includes rotating the molten metal by the torque to discharge the molten metal to a holding furnace, which is provided on the melting chamber, from an outlet opening of a partition plate provided between the melting chamber and the holding furnace and to suck the molten metal, which is present in the holding furnace, from an inlet opening of the partition plate.