Steel sheets for hot stamping accommodated in a far-infrared radiation multi-stage type heating furnace are stably supported over a long period of time using steel sheet support members having a small projected area and inhibited from thermally deforming. The far-infrared radiation multi-stage type heating furnace includes: heating units and a ceiling unit arranged in a vertical direction with multiple stages to accommodate aluminum-coated steel sheets or zinc- coated steel sheets for hot stamping; and far-infrared radiation heaters disposed within the heating units and the ceiling unit to heat the steel sheets for hot stamping to a temperature ranging from the Ac.sub.3 transformation temperature to 950° C. Steel sheet support members are mounted to the heating units to support the steel sheets for hot stamping by point contact or line contact with the steel sheets for hot stamping.

A radiant element for heating an oven is disclosed. The radiant element comprises a first end; a second free end; a radiant structure between said first end and second end; a conduit for an energy feed inside said radiant structure; a first attachment leg for mechanically coupling the radiant structure to a support, a first coupling means comprising a first portion arranged to be stationary with respect to said support, and a second portion stationary relative to said first leg, the first portion and the second portion being mechanically coupled via a first interface so as to allow a relative displacement between the first portion and second portion.

An impedance heated continuous emission monitoring system has a first terminal of an electric power source connected to an input end of a tube communicating an emissions stack with an emissions analyzer and a second terminal of the electric power source connected to an output end of the tube. An electric current produced by the electric power source flows through the tube and heats the tube by impedance. Heating the tube maintains the temperature of the emissions travelling through the tube from the stack to the emissions analyzer above a dew point temperature of the emissions.

The invention relates to a device for heat treatment of a product, including: an enclosure comprising a casing made of refractory material; a screw mounted to turn in the casing about a geometric axis of rotation in order to move the product between an inlet of the casing and an outlet of the casing, the screw furthermore forming a heating means for heat treatment of the product by supplying electricity to the screw. According to the invention, the device comprises at least one heating element for heating the casing in operation, the heating element being arranged inside at least one of the walls of the casing. The invention also relates to a corresponding method.

An apparatus (10) comprising a heating chamber (12). The heating chamber (12) comprises electric heating means (14) for heating the interior (16) of the heating chamber (12) to denature asbestos or asbestos in asbestos comprising structures located in the interior (16) of the heating chamber (12). The apparatus (10) comprises a primary filter (18) downstream of the heating chamber (12). The apparatus (10) comprises an induced draft fan (20) downstream of the primary filter (18), wherein the apparatus (10) is configured such that in use the induced draft fan (20) draws emissions from the heating chamber (12) through the primary filter (18). The apparatus (10) comprises a discharge stack (22) downstream of the primary filter (18). The discharge stack (22) comprises an outlet (24) for venting emissions to external atmosphere.

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 apparatus for heating a metal billet such as a billet of non-ferrous metal, includes a frame, a heating container having a longitudinal billet receiving inner space, and at least one heater element configured to heat the heating container. The heating container is divided along parting surfaces into parts. The parts are movable arranged with respect to each other. Each part has a contact surface facing the longitudinal billet receiving inner space. Each part has at least one heater element configured to heat the part.

The present disclosure relates to a device for indirect heating by radiation in the form of a radiant housing having two front walls and two side walls and comprising at least one heat source, the radiant housing having front walls joining one another such that the housing has a lenticular shape in cross-section.

A method for heating a blank or a preformed steel sheet component for hot forming and/or quench hardening purposes. In at least some regions, the heating is carried out to a temperature above AC3; the heating of the Hank is embodied as a rapid heating and to this end, the blank is heated in a first zone at an average heating rate of >25 K/s up to about 600° C. and above this temperature, is heated at an average heating rate of >10 K/s up to a maximum of the AC3 temperature and then is transferred to a second zone in which the blank that has been preheated in the first zone is heated in at least some regions to temperatures greater than AC3, in particular >850° C., with the heating rate in the second zone being >10 K/s. The invention also relates to a device for carrying out the method.

A tunnel oven and associated method for the heat treatment of friction elements, and in particular braking elements such as brake pads is provided. The friction elements are arranged on a resting surface of a conveyor device, are moved between an inlet opening and an outlet opening of the tunnel oven, and are heated by irradiation by at least one heating device. The heating device includes a radiating plate made from stainless steel arranged facing the conveyor device and heated by electromagnetic induction using at least one inductor arranged facing the radiating plate and spaced apart therefrom on the side opposite to the conveyor device. A cooling air flow for the braking elements between the resting surface and the radiating plate is directed in counterflow to a feeding direction of the conveyor device.