A system for melting a pelleted charge material including a furnace having a feed end configured to receive a solid pelleted charge material and a discharge end opposite the feed end configured to discharge a molten charge material and a slag, a conveyor configured to feed the pelleted charge material into the feed end of the furnace, at least one oxy-fuel burner positioned to direct heat into a melting zone near the feed end to heat and at least partially melt the pelleted charge material to form the molten charge material and slag, wherein the oxy-fuel burner uses an oxidant having at least 70% molecular oxygen, and at least one flue for exhausting burner combustion products from the furnace.

Systems and methods for generation of porous silicate aggregates are disclosed. For example, the manufacturing systems may include a conveyor element, multiple hoppers positioned over a first section of the conveyor element, one or more derricks and/or holding elements to move and/or hold the hoppers, a kiln positioned with respect to a second portion of the conveyor element, and/or computing components to allow for control of the components of the system. The system may produce single-layer products in a continuous fashion, multi-layered products having multiple physical and/or chemical properties, and/or more than one product at a time.

A heat treatment apparatus includes a furnace body in which a material is transferred and heat treated, a sagger disposed inside the furnace body and configured to receive and transport the material, a roller configured to transport the sagger, and a heater disposed at a position apart from the sagger. The sagger seated on the roller includes a plurality of saggers. The heater includes an upper heater disposed above the sagger and a lower heater disposed under the sagger, based on a third direction which is a height direction of the furnace body, and the lower heater is disposed closer to the roller than to a bottom surface of the furnace body.

A horizontal heat treatment device continuously subjects an untreated continuous flat object to heat treatment while horizontally transferring the untreated object within a heat treatment chamber. Seal chambers are interconnected to the untreated-object loading opening and treated-object unloading opening of the heat treatment chamber. A passage is connected to an opening of each of the seal chambers, the opening located on the side opposite the heat treatment chamber. The untreated-object passage loading opening interconnected to the untreated-object seal chamber loading opening and the treated-object passage unloading opening interconnected to the treated-object seal chamber unloading opening are the untreated-object loading opening and treated-object unloading opening of the heat treatment device. A pair of gas ejection nozzles are provided at upper and lower positions of the passages. The nozzles eject gas in specific directions, and the nozzle openings have a specific shape, a direction, and a length.

An energy-saving charge transport system in a press-furnace line, for articles to be baked from the press to the furnace and for articles baked to a finished product storage area, having two levels of a heat tunnel, wherein articles to be baked are arranged on empty transport pallets in two trains of the press, two heat recovery tunnels, the right heat recovery tunnel and the left heat recovery tunnel are situated under the furnace and outside said furnace, the furnace comprises inside two on the contrary movable tracks for articles to be baked, each of the heat recovery tunnel having a down level for baked articles and an upper level for raw articles, said baked and raw articles moveably on the contrary directions, said levels arranged respectively with the right train of the press and the left train of the press, a first actuator cyclically pushes the pallets with the product to be baked arranged in the first train and delivers the pallets onto the upper level of the first heat recovery tunnel, the transport pallets with the raw charge are delivered, one after the other, to a first elevator, that delivers the pallets with the raw charge onto a level of left-hand furnace track.

A transporting apparatus for rolling ingots, having at least one travelling carriage, includes a tilting frame and a guide frame, wherein the tilting frame has at least one longitudinally displaceable transporting carriage with a rail section, which is intended for accommodating an ingot rest and, for the purpose of forming a rail extension, can be positioned collinearly in relation to a furnace rail, and the guide frame has at least one hook carriage, which can be moved essentially parallel to the transporting carriage and comprises at least one tiltable hook for engaging in the ingot rest.

A transfer apparatus includes a first transfer assembly configured to allow a plurality of objects to be introduced and including a plurality of first rollers and a first driver configured to drive the plurality of first rollers, a second transfer assembly including a plurality of second rollers, a plurality of alignment areas on the plurality of second rollers, and a plurality of second drivers configured to drive the plurality of second rollers, wherein a number of the plurality of alignment areas may correspond to a maximum number of the objects allowed to be introduced, and a third transfer assembly configured to allow the objects to discharge therefrom and including a plurality of third rollers and a third driver configured to drive the plurality of third rollers wherein the second transfer assembly further includes a first controller configured to individually control rotational speeds of the plurality of second rollers.

A thermal processing furnace for workpieces has a blowing hood in which a nozzle is installed, the nozzle blowing a gas flow to thermally process a workpiece, including a driving mechanism that adjusts a distance between the nozzle and a portion of the workpiece facing the nozzle so that the gas flow blown from the nozzle impinges on workpieces of various dimensions at a desired flow velocity, wherein a plurality of nozzles are arranged as the nozzle along a conveying direction of the workpiece in a zone where the thermal processing is performed, and the driving mechanism adjusts a distance between each of the nozzles and a portion of the workpiece facing the nozzle individually in each of the plurality of nozzles.

A method for heat treatment, a heat treatment apparatus, and a heat treatment system that is capable of performing highly precise and efficient control of heat treatment. A heat treatment furnace has in-furnace structures made of graphite and has a heat-treatment chamber in which heat treatment of materials to be treated is performed. A value of G.sup.0 (standard formation Gibbs energy) is computed with reference to the sensor information from respective sensors, and an Ellingham diagram, a control range, and a status of the heat treatment furnace in operation expressed by G.sup.0 are displayed on a display device. A control unit controls a flow rate of neutral gas or inactive gas as atmosphere gas or a flow velocity of the gas so that G.sup.0 is within the control range.

A heat treatment system may include: a heat treatment furnace; a return line; and a processor. The return line may include: a first processing line; a second processing line; an entrance line connected to the first processing line and the second processing line and located upstream of the first processing line and the second processing line on the return line; and an exit line connected to the first processing line and the second processing line and located downstream of the first processing line and the second processing line on the return line. The processor may include: a configured to process the saggar on the first processing line; and a configured to process the saggar on the second processing line.