An device for manufacturing an active alloy includes: a melting chamber including: a working pipe surrounded by an induction coil and forming a working area; a chamber base disposed below the working pipe and communicated with the working pipe, and including: a gas inlet hole; a vacuum pump connection port; and a vacuum sensor, for measuring a vacuum degree in the working pipe; a chamber door communicated with the chamber base; a first bracket passing through the chamber base, and moving towards a direction away from or near the working area; a second bracket extending into the working pipe, and moving towards a direction away from or near the working area; and a material recycling seat which can extend into the chamber base in a push and pull way.

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

A process for melting metal parts and casting the melt in at least one mould and a corresponding combined melting and casting furnace plant are described. In the process, metal parts to be melted are brought into a crucible furnace, and a molten metal is produced therein and made ready for casting. A riser tube integrated in a lid of the crucible furnace is heated in a position remote from the crucible furnace, and the lid with heated riser tube is brought into a position closing the crucible furnace, in which the riser tube projects into the molten metal. A mould is arranged on the lid in a casting position above the riser tube, and the molten metal is introduced into the mould from below by pressurising the melt in the crucible furnace. The combined melting and casting furnace plant is designed to carry out such a process.

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 metal material supply device which is annexed to a metal melting furnace has a vibration trough for transporting metal material to be supplied to a crucible; the transported metal material is discharged from a material discharge port that is provided at the front end of the vibration trough; the metal material supply device is movable between a material supply position where the material discharge port is disposed above the crucible and a retracted position from the material supply position, and supplies the metal material to the crucible at the material supply position; the upper end of the metal material supplied to the crucible and piled up is detected by a microwave level meter, and the material supply operation by driving the vibration trough is controlled on the basis of the detected value.

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

A strip casting system for aluminium and/or aluminium alloys comprising a casting furnace and a revolving chill mould having a casting gap. The revolving chill mould is designed as a roll pair, roller pair, caterpillar pair or belt pair. The strip casting system has an active means for transporting metal melt from the casting furnace to the casting gap and a casting region arranged in front of the casting gap. The casting region is delimited on one side by the revolving chill mould. A melt pool is formed in the casting region, from which metal melt flows or is drawn into the casting gap. The casting furnace is connected to the casting region by a pipe system with means for feeding the metal melt into the casting region, which can feed the metal melt to the casting region below the surface of the melt pool formed in the casting region.

A dross processing system crucible comprising a substantially vertical inner wall having an upper end, a lower end, an outer surface, and an inner surface, a bottom having an upper surface and a lower surface, the upper surface affixed to the lower end of the inner wall. A blockable port is disposed in the bottom, and a thermal insulating material covers the outer surface of the vertical inner wall and the lower surface of the bottom. An outer vessel is affixed to the upper end of the substantially vertical inner wall, and the thermal insulating material is disposed between the outer surface of the inner wall and the outer vessel.

In production of a reactive metal using a melting furnace for producing metal having a hearth, ingots can be efficiently produced by efficiently cooling the ingots extracted from the mold provided in the melting furnace. In addition, an apparatus structure in which multiple ingots can be produced with high efficiency and high quality from one hearth, is provided. A melting furnace for producing metal is provided, the furnace has a hearth for having molten metal formed by melting raw material, a mold in which the molten metal is poured, an extracting jig which is provided below the mold for extracting ingot cooled and solidified downwardly, a cooling member for cooling the ingot extracted downwardly of the mold, and an outer case for keeping the hearth, the mold, the extracting jig, and the cooling member separated from the air, wherein at least one mold and extracting jig are provided in the outer case, and the cooling member is provided between the outer case and the ingot, or between the multiple ingots.

The invention relates to a melting apparatus (100) for melting paraffin (1), having: a melting container (110) for receiving paraffin (1) to be melted; a storage container (190) for storing molten paraffin (4); having a melting container heating device (120) for heating the melting container (110), having a storage container heating device (191) for heating the storage container (190), having a fluid connection (113) fluidically connecting the melting container (110) and the storage container; the melting container (110), the storage container (190), and the fluid connection (113) being arranged so that molten paraffin (4) flows out of the melting container (110) into the storage container (190).