Abstract: A film stretching system having the following features: a stretching oven having a plurality of treatment zones through which a plastic foil film can be guided from a feed side to an outlet side through the stretching oven in the drawing-off direction, supply air can be supplied to the respective treatment zone and exhaust air can be discharged therefrom, the ventilation system for the treatment zones is constructed in such a way that exhaust air extracted from the last treatment zone in the drawing-off direction of the plastic foil film is supplied to at least two upstream treatment zones in the drawing-off direction of the plastic foil film, wherein a volume fraction of the exhaust air extracted from the last treatment zone is supplied to only one of the at least two treatment zones and another volume fraction is supplied to only one other of the at least two treatment zones.

Abstract: The invention relates to a heat box for thermally conditioning preforms (10) that consist of a thermoplastic material and are provided for blow moulding, in which two lateral walls (32) and one base wall (34) delimit a heat tunnel through which the preforms (10) are conveyed, said heat tunnel comprising at least two parallel heat channels, and a heating unit (14) being arranged between two adjacent, particularly parallel heat channels and comprising a plurality of rod-shaped heating elements (16) that extend longitudinally in the conveyor direction of the preforms (10).

Abstract: A substrate heat treatment device includes: a heating plate that mounts a wafer and performs a heat treatment on the wafer; a substrate transfer arm that transfers the wafer to the heating plate and is movable from and toward the heating plate; a transfer arm moving device that moves the substrate transfer arm between a position above the heating plate and a standby position of the substrate transfer arm apart from the heating plate; a substrate transfer device that transfers the wafer to and from the substrate transfer arm located at the standby position. The substrate heat treatment device further includes a cooling arm serving as a substrate holding unit configured to cool a previously heat-treated wafer by the heating plate and transfer a next wafer to the heating plate while the previously heat-treated wafer is transferred to the substrate transfer device.

Abstract: A susceptor support shaft for an epitaxial growth apparatus capable of forming a high quality epitaxial film by suppressing in-plane resistance variation of the epitaxial film due to deflection of a susceptor, wherein the susceptor support shaft supports a susceptor at an underneath portion of the susceptor in an epitaxial growth apparatus. The susceptor support shaft includes a support column located substantially coaxial with a center of the susceptor; a plurality of arms extending radially from the support column to positions under a peripheral portion of the susceptor; an arm connecting member connecting tips of the arms next to each other; and support pins extending from the arm connecting member, thereby supporting the susceptor.

Abstract: The invention relates to equipment (3) for drawing a film made of synthetic material, which includes longitudinal drawing means (11) and transverse drawing means (15) comprising a drawing enclosure (16), an air outlet opening (17) leading into the enclosure and an air inlet opening (18) leading into the enclosure. The transverse drawing means further comprise an air recirculation circuit (19) connecting the air inlet and outlet openings (18, 17) and designed to redirect the air from the air outlet opening towards the air inlet opening.

Abstract: A heat treatment apparatus for performing heat treatment of processing objects at a time without changing the interior configuration of a conventional clean room even when the processing objects are large-sized. The heat treatment apparatus is installed in a clean room. The heat treatment apparatus includes: a heat treatment furnace including a vertical processing chamber having a furnace opening at the top and adapted to house and heat-treat processing objects, a heat insulator that surrounds the circumference of the processing chamber, and a heater provided on the inner peripheral surface of the heat insulator; a lid for closing the furnace opening of the processing chamber; and a holding tool, hung via a heat-retaining cylinder from the lid, for holding the processing objects in multiple stages. The heat treatment furnace of the heat treatment apparatus, for the most part in the height direction, lies beneath the floor of the clean room.

Abstract: A heat shrink tunnel with width adjustment includes a pair of opposing side wall assemblies, each assembly including an outer wall and an inner perforated wall defining a plenum therebetween. The opposing side walls define a product path therebetween having a longitudinal axis. The side wall assemblies are movable toward and away from the axis. A heater/blower assembly is disposed in each of the opposing side walls, each having an outlet directed into the product path and drawing air from the product path, through its respective plenum. A top wall extends between the pair of opposing side wall assemblies and has an adjustable width to accommodate movement of the side wall assemblies.

Abstract: A heat treatment furnace of an embodiment includes a chassis, a heater to heat an inside of the chassis, a table rotatably arranged in the chassis, in which an opening portion is formed at a central axis side, and a guide which is fixed inside the chassis, is arranged above the table, and is formed so as to become in a spiral shape from an outer circumferential side of the table toward the opening portion.

Abstract: In the method according to the invention for producing cement clinker, raw cement meal is preheated in a preheater, the preheated raw cement meal is precalcined in a calciner and the precalcined raw cement meal is burnt in a kiln, fuel and combustion air having an oxygen content of at least 75 mol % being used in the calciner, and the raw cement meal being precalcined in a fluidised bed in the calciner. The exhaust gases occurring in the kiln are delivered to the preheater, bypassing the calciner, and the exhaust gases of the calciner are delivered to a CO2 preparation device.

Abstract: A low impact belt dryer is presented for drying pellets while minimizing high-energy pellet collisions that may create pellet dust or cause pellets to fracture. The dryer includes a vacuum chamber having multiple air knife assemblies that direct high velocity drying fluid towards the pellets and though a liquid-permeable pellet-impermeable belt to a vacuum port. The low impact dryer may also include a centrifugal dryer for dewatering the pellets before they pass though the vacuum chamber. The conveyor belt of the dryer may transport the pellets through multiple desiccation chambers where low velocity air is directed upwards though the belt to both dry and levitate the pellets above the belt. The dryer may also include a cleaning chamber for removing debris from the liquid-permeable pellet-impermeable belt.

Abstract: The invention relates to a roller hearth furnace for heating workpieces, comprising at least one furnace chamber for receiving the workpieces, the chamber having at least two lateral furnace walls. At least one transport roller for transporting the workpieces through the furnace chamber is arranged inside the furnace chamber, and each of the furnace walls has at least one opening through which the transport roller can be guided. At least one rolling bearing unit is arranged on each of the outer sides of the furnace walls, said rolling bearing unit being designed to accommodate and support the transport roller outside the furnace chamber.

Abstract: The present invention relates to a device (100) for the heat treatment of substrates and to a method for recording measurement data in said device, where said device (100) comprises at least one heatable chamber (102), a carrier system (108), a sensor assembly (112), and an actuator (111) that is independent of the carrier system (108). The carrier system (108) is designed to carry substrates, whereas the sensor assembly (112) is further configured for coupling to a data recording and/or data storage device (130). The actuator (111) is coupled to the sensor assembly (112) and is configured to position the sensor assembly (112) within the heatable chamber (102).

Abstract: A furnace loading system for use with a heat treating furnace is disclosed. The furnace loading system includes a platform and a support structure mounted on the platform. First and second transport rails are mounted on the support structure. The furnace loading system also includes a transfer cart that is adapted for supporting a work load and for moving along the transport rails. A lift mechanism is operatively mounted on the transfer cart for vertically displacing a work load supported on the transfer cart. The furnace loading system also includes a drive mechanism mounted on the support structure and operatively connected to the transfer cart for displacing the cart along the rails. A traction device is operatively connected to the platform for moving the furnace loading system relative to a heat treating furnace.

Abstract: The application describes an apparatus and a method for the thermal treatment of substrates, in particular thin film substrates for photovoltaic applications. The apparatus comprises at least one substrate carrier for supporting a substrate, a heating unit having at least one heating element for heating a substrate located on the substrate carrier and at least one heating element carrier for supporting the at least one heating element. The heating element carrier is designed to allow a local change in distance between the substrate carrier and the heating element, so as to be able to provide locally different heating intensities. In the method such a change in distance is carried out during the thermal treatment.

Abstract: A facility for heat-shrinking sleeves made of heat-shrinkable material inserted onto supports, such as containers, includes an enclosure provided with a heat-diffusion means, a conveyor for carrying the supports through the enclosure between an intake of the enclosure and an output of the enclosure, the enclosure including a base and a hood which is mounted mobile between an open position allowing access to the conveyor and an operational position in which said hood is sealingly mounted on the base, the hood comprising two openings through which the conveyor extends when the hood is in operational position. The hood comprises an inner partition mounted mobile between a retracted position and a service position in which the partition defines with the side walls of the hood and the base a main chamber of the enclosure subjected to the action of the heat-diffusion means when the hood is in operational position.

Abstract: A lip rolling machine for forming a lip on the rim of preformed containers such as cups, including a set of spaced apart tubular oven guide bars guiding a train of nested cups through an oven for preheating the rims thereof. One of the guide bars is driven to be rotated driven by a variable speed motor and a belt drive so as to maintain rotation of the train of cups while passing through the oven. One embodiment includes a fixed inner tube having an outer tube rotated on the inner but.

Abstract: A label manufacturing apparatus includes a thermal head and a device for transporting a heat sensitive adhesive sheet. The control device operates the head in synchronization with timing of transporting of the sheet to activate the adhesive, determines if heating based on a last row of a heating pattern is completed before a trailing end of the sheet reaches a set position contacting the head, controls driving of the transporting device so that when it is determined that the heating based on the heating pattern last row is completed, the sheet is transported until the trailing end passes through the set position, and controls driving of the head so that when it is determined that the heating based on the last row of the heating pattern is completed, the heating based on the last row of the heating pattern is repeated until the trailing end passes through the set position.

Abstract: A label manufacturing apparatus has a thermal head with heating elements for heating at least a part of a heat sensitive adhesive sheet to place it into an adhesive state when the heat sensitive sheet is transported through a preselected position of the label manufacturing apparatus in which the heat sensitive sheet contacts the heating elements of the thermal head. A control device selectively operates the heating elements of the thermal head in synchronization with timing of transporting of the heat sensitive adhesive sheet through the preselected position to thereby heat the part of the heat sensitive adhesive sheet and place into the adhesive state, and stops operation of the heating elements so that a trailing end portion of the heat sensitive sheet is not heated and is not placed into an adhesive state when the trailing end portion reaches the preselected position.

Abstract: There is provided a system and method for heating at least one workpiece in a furnace by which the workpiece is heated by heating facilities. An exemplary method comprises heating a complete workpiece with the heating facilities. The exemplary method also comprises moving the workpiece out of the furnace such that a first portion of the workpiece is still inside the furnace while a second portion of the workpiece is outside the furnace and holding the workpiece at this position for a predetermined time period. Finally, the exemplary method comprises moving the complete workpiece out of the furnace.

Abstract: A modular mobile furnace train apparatus and a process is disclosed. Mobile furnaces may be interconnected in series to form a modular mobile furnace train. Exhaust gas may then flow through mobile furnaces in a furnace train, allowing for more effective heat transfer to payload being heated as well as increasing energy recapture. Volatile gasses emitted by the payload may be combusted. This recapture reduces production of carbon dioxide and reduces the amount of energy required during the firing while the combustion of volatiles reduces exhaust pollutants. A fire line is an area where heat is applied, while a service line is an area where loading, unloading, inspection, and ongoing maintenance may take place. The modular mobile furnace train allows separation of the fire and maintenance which reduces worker exposure to dangerous environments while decreasing operational costs. Furthermore, the modular mobile furnace facility is less costly to build and operate.

Abstract: The invention relates to a method and equipment for the continuous sintering of mineral material in a sintering furnace (S). In the method, a material bed (2) is formed on a conveyor base (1), the material bed (2) is conveyed by the conveyor base (1) through the process zones (I-VII) of the sintering furnace that have different temperatures, the zones including at least one drying zone (I), at least one cooling zone (VII), and at least one other process zone (II, III, IV, V, VI) between the said drying zone and cooling zone, and gas is conducted through the conveyor base and the material bed (2), when the material bed travels through the process zones (I-VII), and gas is circulated in a circulation gas duct (3) from the last cooling zone (VII) to the drying zone (I). Part of the gas flow that is conducted to the drying zone (I) in the circulation gas duct (3) is removed as an exhaust gas flow (B) by the exhaust gas blower (5) of an exhaust gas duct (4).

Abstract: A walking beam type heat treatment apparatus including a heating furnace having a heating body to heat a substrate by radiation, a pair of first beams that are rod-like and provided in the heating furnace and a second beam disposed between the pair of the first beams, one of the pair of the first beams and the second beam relatively moving alternately in longitudinal and vertical directions repeatedly to the other of the pair of the first beams and the second beam, to cause to deliver and receive the substrate between the pair of the first beams and the second beam, and accordingly, to convey the substrate through the heating furnace, includes a side edge support protrusion that protrudes from each of the pair of the first beams such that the side edge support protrusion can horizontally support the substrate in abutting contact with a side edge of the substrate; and a front edge support protrusion and a rear edge support protrusion that protrude from the second beam such that the front edge support protrusio

Abstract: A method for firing raw ceramic blanks in a furnace includes the steps of guiding trains of blanks running parallel to one another along a longitudinal furnace section having a firing zone, wherein the trains are moved in opposite directions during one movement operation, and the furnace is loaded using blanks to be moved in a first direction. A furnace for firing raw ceramic blanks having a plurality of trains which are arranged parallel to one another and can move along a longitudinal furnace section, so trains comprising a plurality of furnace bogies on which the blanks are to be arranged, wherein the furnace section has a firing zone, and wherein the trains are moved in opposite directions, and the furnace is at a first end of the furnace section for loading the blanks to be moved in a first direction into the furnace.

Abstract: The invention relates to a roller hearth furnace (1) for heating and/or temperature equilibration of continuous cast products (2), comprising a first series of rollers (13) running in the longitudinal direction (12) and a second parallel series of rollers (15) on the outlet side (14), wherein a buffer zone (16) with lifting elements (17) for the perpendicular transport of the continuous cast product (2) is arranged between the series of rollers (13, 15). Furthermore, alternative arrangements for a further process route (28) are provided.

Abstract: A heat treatment apparatus for performing heat treatment of processing objects at a time without changing the interior configuration of a conventional clean room even when the processing objects are large-sized. The heat treatment apparatus is installed in a clean room. The heat treatment apparatus includes: a heat treatment furnace including a vertical processing chamber having a furnace opening at the top and adapted to house and heat-treat processing objects, a heat insulator that surrounds the circumference of the processing chamber, and a heater provided on the inner peripheral surface of the heat insulator; a lid for closing the furnace opening of the processing chamber; and a holding tool, hung via a heat-retaining cylinder from the lid, for holding the processing objects in multiple stages. The heat treatment furnace of the heat treatment apparatus, for the most part in the height direction, lies beneath the floor of the clean room.

Abstract: The invention relates to a method of heating glass panels for tempering. The horizontal glass panels are heated in a lehr by upper and lower convection blast and by upper and lower radiation heating, information representing a load of the glass panels and used for the control and/or regulation of heating is read, the upper radiation heating is controlled and/or regulated in the way of a matrix by a profiling both in a conveying direction and a direction lateral thereto. At least the upper convection blast is controlled and/or regulated in various sections of the lehr in the way of a matrix by a profiling both in a conveying direction and a direction lateral thereto, and the relative blast effects of convection blowing elements successive in the conveying direction are regulated for a profiling in the conveying direction. The invention relates also to an apparatus applying the method.

Abstract: In a method of recycling sealed batteries, the batteries are shredded to form a shredded feedstock. The shredded feedstock is heated above ambient temperature and rolled to form a dried material. The dried material is screen separated into a coarse fraction and a powder fraction and the powder fraction is output. A system for recycling sealed cell batteries comprises an oven with a first conveyor extending into the oven. A rotatable tunnel extends within the oven from an output of the first conveyor. The tunnel has a spiral vane depending from its inner surface which extends along a length of the tunnel. A second conveyor is positioned below an output of the rotatable tunnel.

Abstract: A device intended to assist in the accurate and controlled shrinkage of thermo-shrinkable container-jacketing material. Said device producing at least an elevated temperature in a heated processing zone. Heat energy available in said heated processing zone primarily derived from a first heat source, preferably pressurized steam. Said first heat source steam exhibiting preferred characteristics related to the controlled shrinking of thermo-shrinkable materials. A second heat source, other than steam, acting in cooperative relationship with said first heat source steam, delaying the decay of one or more preferred characteristics of said first heat source steam. Said first heat source steam, urging said heat-shrinkable materials to shrink, substantially conforming to receiving containers in a preferred manner along one or more axis.

Abstract: A method for recycling glass mat waste, wound rovings, and other products includes providing a source of glass mat, or a plurality of rovings, for example on a roll, and routing the glass mat or rovings into a submerged combustion melter. An unwind system and a pair of powered nip rolls, powered conveyors, or other arrangement may work in combination to provide a substantially consistent rate of material into the melter. The melter may operate under less than atmospheric pressure to avoid fumes escaping the melter. A slot in the melter allows ingress of the glass mat or rovings into the melter, and a glass mat former such as a folder may be used to ensure that the mat fits through the slot. Alternatively, the glass mat may be cut by a slitter prior to entering the slot.

Abstract: A heat tunnel for applying heated air to articles enclosed in shrink-wrap film includes at least one air supply unit; a conveyor; and a heat shroud spaced from the conveyor. The air supply unit includes a source of heated air, a fan, a heated air plenum, air ducts, and a return air plenum. Multiple air supply units can be provided along the conveyor to create a heat tunnel of desired length.

Abstract: A to-be-burned object including a metal Si component or SiC or Si3N4 can be burned in such a manner that vaporized SiO can be safely exhausted without causing SiO attached to a wall of a furnace or an inner face of an exhaust duct. An exhaust method of a continuous furnace for continuously burning a to-be-burned object containing a metal Si component or highly-fire-resistant SiC or Si3N4 includes steps of 1) exhausting in-furnace gas including SiO vaporized during a burning process. An exhaust duct 2 used for this exhaust is provided at an upper part of a side wall 12 of the furnace having a higher temperature (1300 degrees C. or more) than a concentration temperature of SiO vaporized during a burning process. 2) oxidizing the exhausted SiO at the outside of the furnace to detoxify SiO. The in-furnace gas exhausted by the exhaust duct 2 is guided to an exhaust pipe 3 connected to an outlet of the exhaust duct 2 at the outside of the furnace. This exhaust pipe 3 includes oxygen supply holes 31a and 31b.

Abstract: In the method according to the invention for producing cement clinker, raw cement meal is preheated in a preheater, the preheated raw cement meal is precalcined in a calciner and the precalcined raw cement meal is burnt in a kiln, fuel and combustion air having an oxygen content of at least 75 mol % being used in the calciner, and the raw cement meal being precalcined in a fluidised bed in the calciner. The exhaust gases occurring in the kiln are delivered to the preheater, bypassing the calciner, and the exhaust gases of the calciner are delivered to a CO2 preparation device.

Abstract: A hearth roll apparatus for feeding a strip sheet in an annealing furnace is disclosed. The hearth roll apparatus includes a ceramic tube which is provided inside the annealing furnace to contactingly feed a strip sheet, a roll shaft which is coupled to a first end of the ceramic tube and extends across the annealing furnace through the ceramic tube, a tube fixing sleeve which is coupled to a second end of the ceramic tube and through which a portion of the roll shaft is inserted, and a tension generating unit which interlocks with the roll shaft and the tube fixing sleeve and supplies a tensile force for stretching the roll shaft in a longitudinal direction. Accordingly, thermal deformation like creep buy which the roll shaft is bent down is minimized, and a line speed of the strip sheet can be increased by high-speed rotation of the hearth roll.

Abstract: A device and process for heating wood for the purpose of eradicating burrowed pests such as gypsy moths and emerald ash borer beetles are disclosed. The device is used for treating firewood and pallets made of wood to insure that burrowed pests are killed before transporting the wood across state lines in following of state regulations. The device comprises a conveyor adapted for transporting firewood or pallets an insulated and heated chamber. The wood core temperature of the wood is monitored using wireless temperature sensors. Conveyor speed is adjusted according to temperature readings in order to achieve a threshold wood core temperature and in order to maintain the threshold wood core temperature for the minimum required period of time.

Abstract: A heat treatment apparatus and a heat treatment method using the same are disclosed. In the method, a support plate on which a device substrate is mounted is loaded into the heat treatment apparatus using a transfer unit in an in-line manner, and the device substrate mounted on the support plate is heat-treated using the heat treatment apparatus.

Abstract: Rapid heating of a lithographic printing plate is achieved by feeding the printing plate along a substantially curved path that is adjacent to one or more curved pads of an air bearing that is pressurized with heated air. The one or more curved pads are constructed such that the substantially curved path is curved with an axis of curvature substantially perpendicular to the feed direction of the printing plate. The plate is additionally elastically bent to follow and conform to the substantially curved path. The substantially curved path minimizes printing plate distortion during heating, and thus prevents the plate from being damaged from contact with any of the one or more curved pads. The one or more curved pads are also arranged to allow for exceptionally good heat transfer characteristics and thus more effective plate heating.

Abstract: Disclosed are devices and methods for supporting glass sheets during a thermal treatment process, such as heat treating, to maintain the physical geometry of the glass sheets. The device can comprise means for separating adjacent glass sheets to prevent them from touching. The separating means can comprise a separation comb having projections and channels configured for receiving the glass sheets, separating rods configured to be positioned between the glass sheets, or a combination of separation combs and separating rods.

Abstract: The present invention discloses a pre-shrink oven and a shrink oven are located at positions where a conveyer belt travels according to a labeling process of bottles. The pre-shrink oven has adjustable steam ejection ducts at two sides thereof. The shrink oven has steam nozzles at two sides. The steam generators are located at the periphery of the shrink oven to generate and deliver steam of different pressures through pipes to the adjustable steam ejection ducts of the pre-shrink oven and the steam nozzles of the shrink oven. When the steam is delivered to the pre-shrink oven heated air passes through apertures of the steam tube to partially preheat and shrink a shrink film without dropping before a final shrinking process is finished. Steam delivered through the steam nozzles can shrink the shrink film securely on bottle bodies of the bottles.

Abstract: A pusher furnace includes furnace sections having respective susceptors, a slide rail extending through the furnace sections for sliding pusher plates thereon and an alignment assembly for aligning the susceptors and slide rails of adjacent furnace sections. A support structure spaces the susceptors from insulation therebelow to protect the insulation from degradation from contact with the susceptors. The susceptors are slidably mounted on the support structure to accommodate thermal expansion and shrinkage of the susceptor. The upstream end of the slide rails have beveled upper edges to help prevent the pusher plates from catching thereon. The upstream ends are also laterally tapered to reduce the degree of force encountered should a pusher plate catch thereon. Adjacent insulation members have expansion joints filled with a refractory felt. The susceptors slidably and sealingly engage exhaust ports to allow for thermal expansion and shrinkage of the susceptor without damaging the exhaust port.

Abstract: An elevated temperature forming system in which a sheet metal workpiece is provided in a first stage position of a multi-stage pre-heater, is heated to a first stage temperature lower than a desired pre-heat temperature, is moved to a final stage position where it is heated to a desired final stage temperature, is transferred to a forming press, and is formed by the forming press. The preheater includes upper and lower platens that transfer heat into workpieces disposed between the platens. A shim spaces the upper platen from the lower platen by a distance greater than a thickness of the workpieces to be heated by the platens and less than a distance at which the upper platen would require an undesirably high input of energy to effectively heat the workpiece without being pressed into contact with the workpiece.

Abstract: A reflow furnace comprises: a carrier device to carry a printed circuit board with electronic components mounted thereon; a heating chamber to heat through an ambient gas the printed circuit board carried therein to solder the electronic components on a surface of the printed circuit board; and an ambient gas purification equipment including a retrieving device to retrieve a part of the ambient gas containing vaporized flux component when soldering, a heating device to heat the retrieved ambient gas to a desired temperature, an oxidation catalyst to burn the flux component contained in the heated ambient gas, and a returning device to return a high temperature gas after being burned to the heating chamber.

Abstract: Apparatus for the combustion of gas exiting from an electric arc furnace where the heat of combustion is used for the preheating of scraps entering the furnace wherein the apparatus has an insertion device for introducing comburent substance into a preheating chamber or loading tunnel for scrap metal where the loding tunnel has an inlet section for scrap metal, a seal section to prevent an uncontrolled entrance of air in the tunnel, a heating section and an unloading section for delivering scrap metal to the furnace. The insertion device for the comburent substance has one or more adjustable openings placed in the loading tunnel, and said apparatus comprises a device or a series of devices.

Abstract: A curing oven, particularly for curing a continuous mat of mineral wool fibres mixed with binder has an air injecting system for injecting ambient air into at least one heating zone in circumstances in which there is a risk of inadequate ventilation.

Abstract: A baking apparatus includes a baking chamber and a plurality of guide rolls provided inside the baking chamber so that their respective rotation shafts extend parallel or substantially parallel to each other. The baking apparatus bakes a thin film on a film substrate contained in the baking chamber, while sequentially passing the film substrate to the plurality of guide rolls. The plurality of guide rolls are arranged in a spiral manner in the order that the film substrate is passed.

Abstract: Provided is a complex sintering furnace to sequentially perform a bake-out process and a sintering process for molding ceramic products. The complex sintering furnace includes: a support frame; a pair of furnace bodies supported on the top of the support frame and having a built-in heat insulator covered by a disc-shaped cover; a pair of rails arranged under the support frame in parallel in a length direction along arrangement of the furnace bodies; a rotating base horizontally transferred along the rails and rotatably connected to bottoms of the furnace bodies when the rotating base is vertically transferred directly under the bottoms of the furnace bodies, the rotating base including a separately rotating setter mounted the top thereof; and an ascending/descending apparatus mounted under the rotating bases and having a ball-screw type rotation shaft to vertically ascend/descend the rotating base at the same time of the separate rotation of the setters.

Abstract: An apparatus for treating a product comprises movement means able to move the product in a direction of feed through at least a treatment sector, the treatment being temporally defined by a predetermined duration. The movement means comprise at least a conveyor belt closed in a ring that supports the product and extends along a path between an entrance and an exit of the treatment sector. The conveyor belt is at least partly made of flexible material and is able to be disposed along the path in a plurality of loops, which develop in a direction substantially transverse with respect to the direction of advance, so that the product follows the loops along the path.

Abstract: Hot products of combustion are provided beside an outer surface of a load to be heated, and are given a non-uniform temperature profile in a control direction extending across the outer surface of the load. The non-uniform temperature profile of the hot products of combustion is varied within a range that is predetermined relative to the distance that the outer surface of the load extends in the control direction, whereby the load can be given a predetermined temperature profile in the control direction.

Abstract: The invention relates to a roller hearth furnace (1) for heating and/or temperature equilibration of continuous cast products (2), comprising a first series of rollers (13) running in the longitudinal direction (12) and a second parallel series of rollers (15) on the outlet side (14), wherein a buffer zone (16) with lifting elements (17) for the perpendicular transport of the continuous cast product (2) is arranged between the series of rollers (13, 15). Furthermore, alternative arrangements for a further process route (28) are provided.

Abstract: A furnace for heat treating components, especially relatively long components such as main shafts of gas turbine engines, comprises means for mounting a number of components vertically and conveying them repeatedly around a circular path surrounding one or more heating elements, while simultaneously rotating the components about their vertical axes. This allows uniform heat treatment of the components, even when long treatment times are needed. Loading and unloading chambers adjacent to the main chamber permit automated loading and unloading of components without disturbing the environment within the main chamber.

Abstract: A conveyor oven has a modulating gas valve which raises and lowers the thermal output of a burner that heats the oven. A bypass line passes a minimum amount of gas to prevent the burner from completely shutting down during periods while the oven remains above a threshold demand for more heat. Electrical isolation is provided between temperature controlling devices to prevent an electrical feed back which might otherwise prevent a complete shut down of the oven during hazardous conditions.