A transverse field induction heating apparatus for the inductive heating of sheet metal in a rolling mill includes an upper inductor and a lower inductor. The upper inductor includes two adjacently positioned upper partial induction loops which are series-connected and fed an electrical current in opposite directions. The lower inductor includes two adjacently positioned lower partial induction loops which are series-connected and fed an electrical current in opposite directions. The electrical current in both partial induction loops is oriented in an opposing direction. Each of the upper and lower partial induction loop is structured to be moved individually perpendicular to a sheet axis and includes a rounded head positioned adjacent to each other such that the rounded head is shaped as a hammer head.

Disclosed is a heating element for a dental furnace including a tube element for accommodating a heating coil inside the tube element. At least one closing element may be connected to at least one open end of the tube element, wherein electrical connectors may be led through the closing element and fused with the element. The tube element may be made from a ceramic material, such as oxide ceramics, that may be connected to the connector via a plurality of intermediate glasses/transition glasses and glass solder to compensate for different heat expansion coefficients such that up to 500° C. gas escaping from the tube element may not enter due to a thermal action, providing that operational safety of the heating element is ensured. Further, disclosed is a dental furnace including such a heating element.

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.

Apparatuses for interfacing with an electrode provided with a melting furnace including a vessel and an electrode. In some embodiments, a support assembly (50) supports the electrode outside of the vessel, and includes a cart (102) or similar apparatus that permits or facilitates selective vertical movement of the electrode and selective transverse movement of the electrode. In some embodiments, a push assembly (52) interfaces with a rear face of the electrode outside of the vessel, and is operable to apply a pushing force onto the rear face. The push assembly can include one or more tracks (e.g., threaded screw) that supports a body between opposing arms of a fixed frame. The body can translate along the tracks to apply a pushing force onto the electrode.

A method for producing a metal ingot by using an electron-beam melting furnace having an electron gun and a hearth that accumulates a molten metal of a metal raw material, wherein the metal raw material is supplied to the position on a supply line disposed along a second side wall of the hearth that accumulates the molten metal of the metal raw material. A first electron beam is radiated along a first irradiation line that is disposed along the supply line and is closer to a central part of the hearth relative to the supply line on the surface of the molten metal, wherein a surface temperature (T2) of the molten metal at the first irradiation line is made higher than an average surface temperature (T0) of the entire surface of the molten metal in the hearth.

A heat treatment apparatus used in a process of recovering lithium carbonate from a waste cathode material and a lithium carbonate recovery apparatus using the same are provided. The heat treatment apparatus includes a heat treatment furnace having an inlet through which an object to be treated is input and an outlet through which the heat-treated object is discharged, a support section rotatably supporting the heat treatment furnace, a burner provided in the heat treatment furnace to supply combustion gas to the heat treatment furnace, and an exhaust gas re-supply device re-supplying a portion of the combustion gas discharged from the heat treatment furnace to the heat treatment furnace, wherein the heat treatment furnace is divided into a first region in which the inlet is disposed, a second region connected to the first region, and a third region connected to the second region and in which the burner is disposed.

An insulation element for the thermal insulation of an inductively heatable high-temperature treatment zone. A wall of the insulation element contains a flat material, the resistivity of which is ρF 10-5 to 10-1 Ωm and which encloses a hollow space extending through the insulation element and includes a discontinuity, in which the resistivity ρU is greater than ρF. The discontinuity extends from the external surface of the flat material into the flat material but does not interrupt the flat material over the entire cross section of the flat material.

Systems and methods for fabrication of ceramics from celestial materials using microwave sintering and mechanical compression for space mining applications are disclosed. In one aspect, a chamber for sintering loose mineral material into solid ceramic shapes includes a plurality of zirconia insulting plates configured to clamp the mineral material and forming a cavity in which the mineral loose material is contained, and at least one dipole array configured to generate microwave energy and apply the microwave energy to the mineral material.

The furnace system for controlling of individual temperature through selectively radiating of electromagnetic waves according to the present invention comprises: a heating body unit for heating a melt to a predetermined temperature; a heating sensing unit for selectively measuring the internal temperature of the heating body unit to calculate predetermined temperature information; a heating cover unit that selectively covers the heating body unit to prevent a predetermined heat from being diffused to the outside so that the melt maintains a predetermined temperature; and a radiating unit receiving the predetermined temperature information from the heating sensing unit and selectively irradiating a predetermined electromagnetic wave so that the melt becomes the predetermined temperature.

A furnace system including an outer shell which comprises a top flange, an elongated body portion, and a bottom flange, wherein the outer shell is a pressure vessel, with no penetrations in the elongated body portion; a heater assembly which comprises (i) a single-piece annular shaped insulation layer, and (ii) a plurality of heaters embedded in the insulation layer, wherein the heater assembly is disposed within the elongated body portion of the outer shell; and an innermost layer disposed within the annular-shaped insulation layer, wherein the innermost layer is a baffle tube configured to force a natural convective flow, wherein each of the plurality of heaters is individually controllable and the plurality of heaters are configured to heat different zones within the furnace to different temperatures and/or at different rates. The system may be used to heat treat magnet materials, such as those formed of Bi-2212, therein.