86results about "Furnace heating elements" patented technology

A spiral electric radiant tube comprises a spiral electric heating wire, a spiral magnetic column, a magnetic disk and a radiant tube sleeve. A cavity structure is arranged in the radiant tube sleeve, a plurality of spiral magnetic columns are arranged in the cavity structure, a plurality of magnetic discs are arranged on the spiral magnetic columns in a sleeving mode, the spiral magnetic columns are fixedly installed in the radiant tube sleeve through the magnetic discs, and the spiral electric heating wire is evenly wound in the axial direction of the spiral magnetic columns. According to the method, the spiral electric radiant tube is accurately controlled through a model combining a single neuron model and a PID control model, a Delta learning rule is adopted, and the function relationship between the weighting coefficient and the input, output and output deviation of the neuron is considered; when the Delta learning rule is adopted, the connection weight can be adjusted according to the difference between the actual output and the expected output of the neuron, and the weight coefficient can be adjusted online according to the learning capability and the self-adaptability of the neural network, so that the method has a more stable tracking characteristic and better robustness, and has higher self-adaptability and higher control precision.

This application provides a heater for a single crystal furnace and a single crystal furnace. In one example, a heater for a single crystal furnace includes a heating cylinder and an electrode footplate. The heating cylinder has a cylindrical structure arranged around a crucible in the single crystal furnace. The electrode footplate includes a first electrode footplate supporting one side of the heating cylinder and configured to connect to a first electrode of a power supply, and a second electrode footplate supporting another side of the heating cylinder and configured to connect to a second electrode of the power supply. A resistivity of a material of the electrode footplate is less than a resistivity of a material of the heating cylinder.

To provide a heating treatment apparatus which can suppress the generation of particles even when each heater stretches in a direction along a central axis upon the ON / OFF time of the heater.SOLUTION: A heating treatment apparatus comprises: a chamber for storing a workpiece; bar-shaped plural heaters 33 which are provided inside the chamber; and either a first support part 34 or a second support part for supporting the heaters at the inside of the chamber. The plural heaters are lined up in a heater central axis cross direction, and the first support part comprises: a first plate 34a2 provided below the heaters; and a rolling part 34a provided between the heaters and the first plate, brought into contact with the heaters and the first plate and movable in the heater central axis direction. The second support part comprises: a holding part for holding the heaters; and a second plate which is connected to the holding part and is elastically deformable in the central axis direction of the heaters in response to the stretching of the heaters.SELECTED DRAWING: Figure 8

A system, method, and apparatus for electrically shielding heated components, and more particularly, a system, method, and apparatus for electrically shielding electrically heated components in a manner compatible with a GFCI (Ground Failure Circuit Breaker) protected circuit are provided. An example includes an electrically shielded heating assembly including: a conductor, where the conductor is a heating element connected through a GFCI between a power line and a neutral line of an electrical circuit; and a shield proximate to the conductor and connected to the GFCI, where the shield receives a portion of the current from the conductor and returns the portion of the received current to the GFCI.

The invention relates to a heating assembly (16) for an industrial furnace (10) and comprising a radiant housing (18) extending along a first main axis (23) in the industrial furnace (10) and supported by a first support (26) and a second support (27), and an electrical heating insert (60) extending along a second main axis (61) and arranged in the radiant housing (18), wherein the radiant housing (18) is configured for operating in a plurality of angular positions relative to the first main axis (23), and wherein the first support (26) and the second support (27) comprise supporting means (30) for allowing a rotation of the radiant housing (18) around the first main axis (23) during a maintenance operation in order to compensate for previous deformation of the radiant housing (18) and therefore extend the service life of the radiant housing (18).

According to the present invention, provided is a heater including a heat generating member being conductive and configured to radiate heat rays by being fed with electric power, a tubular member constituted by a metal and accommodating the heat generating member, and an intermediate member arranged between the heat generating member and the tubular member and constituted by an electrically insulating material, wherein the intermediate member is arranged and / or configured so as not to block, among the heat rays radiated from the heat generating member, at least light having a wavelength of from 1 µm to 2 um from reaching the tubular member, a maximum distance between the intermediate member and the tubular member is twice or less the thickness of the intermediate member, and a maximum distance between the heat generating member and the intermediate member is less than twice the thickness of the intermediate member.

The utility model discloses a quartz tube supporting structure of a high temperature heater, which comprises pulleys and a circular arc long block, a group of pulley mounting grooves are distributed on the circular arc wall of the inner side of the circular arc long block, and each pulley mounting groove is internally and rotatably provided with a pulley. And part of the pulley surface of each pulley is in contact with the corresponding surface of the quartz tube. The quartz tube conveying device is reasonable in structural design, a plurality of arc long blocks with a group of pulleys are linearly arranged in the heating furnace body at equal intervals to form a conveying structure which is in rolling contact with a quartz tube, and a structure for preventing the quartz tube from laterally slipping is formed between the pulleys at the two ends and the pulley in the middle area. The quartz tube is prevented from sliding, bumping and impacting on the heater unit, the use safety and stability of the furnace body are improved, the quartz tube is convenient to mount and dismount through rolling displacement, and the abnormal fusion deformation of the quartz tube caused by direct contact between the quartz tube and the heating wire is avoided.

An indirectly heated electrical rotary kiln including a longitudinal inner shell for conveying process material therethrough, the inner shell being rotatable about its longitudinal axis. The rotary kiln further includes a stationary shroud arranged along the length and around the cross-sectional perimeter of the inner shell, thereby surrounding said inner shell, and a shroud module detachable from the remaining shroud, and formed as a longitudinal section and a cross-sectional perimeter segment of the shroud. The rotary kiln further includes an electrical heating element provided on the shroud module on an inside of the shroud, said heating element being configured to heat the inner shell, when in use. Methods for replacing a heating element of the rotary kiln are also disclosed.

A heating module (10) comprising at least one heating element (12) configured to convert electric energy into heat during operation, whereby the at least one heating element (12) comprises ceramic material and is arranged to form at least one heating zone (14, 16, 18) comprising a plurality of shanks (30). The at least one heating zone (14, 16, 18) is configured to radiate heat outwards from the heating module (10) in a diverging manner. Each shank (30) is clamped to the external surface (24) of the heating module (10) and the lower end (34) of each shank (30) is unsecured, thereby securing the heating zone in position while permitting a lower end (34) of the heating zone to move vertically downwards. The heating element forms a plurality of heating zones, the heating zones (14, 16, 18) being arranged longitudinally at a plurality of vertical levels.

A heating device and method for substrate glass production are provided. The device includes a furnace tray and multiple heating members. On the furnace tray's side facing the glass substrate, multiple grooves are arrayed along its height; each groove body penetrates the furnace tray along its length direction, with one heating member inside and extending along the groove body's length direction. Each heating member includes a fixing rod disposed in the groove body and fixedly mounted to the furnace tray and a heating wire wound around an outer circumferential surface of the fixing rod along a length direction of the fixing rod. In a thickness direction of the furnace tray, an outer diameter of the heating wire is greater than a height of the groove body. An inner side surface of the groove body has a reflective layer with a preset distance from the heating member.

The invention relates to the technical field of heating furnaces, in particular to a heating device and method for a pressure reaction kettle. The heating device comprises a furnace body, wherein the furnace body comprises an upper furnace shell, a lower furnace shell and a heat insulation ring; a bearing ring is installed on the upper portion of the upper furnace shell, a top cover is installed on the top of the upper furnace shell, and a bottom plate is installed at the bottom of the lower furnace shell. The heat insulation ring is clamped between the upper furnace shell and the lower furnace shell; a plurality of heating units are arranged on the inner side of the upper furnace shell and the inner side of the lower furnace shell; first adjusting screw rods in one-to-one correspondence with the heating units are in threaded connection in the upper furnace shell; second adjusting screw rods in one-to-one correspondence with the heating units are in threaded connection in the lower furnace shell; and temperature monitoring assemblies are mounted in the upper furnace shell and the lower furnace shell. The heating device can uniformly heat the pressure reaction kettle in the axial direction and the circumferential direction; under the condition that a certain heating unit is suddenly damaged, the uniform axial heating effect can be kept by adjusting the height positions of other heating units.

The present application relates to heating furnace technical field, specifically to a kind of heating device and method for pressure reaction kettle.The heating device includes furnace body, furnace body is on furnace shell, lower furnace shell and heat insulation ring;Ring is installed on the upper furnace shell upper portion, top cover is installed on the top of upper furnace shell, bottom plate is installed on the bottom of lower furnace shell;Heat insulation ring is clamped between upper furnace shell and lower furnace shell;Multiple heating units are provided in the inner side of upper furnace shell and lower furnace shell;First adjusting screw is screw-connected with heating unit one-to-one in the inner side of upper furnace shell;Second adjusting screw is screw-connected with heating unit one-to-one in the inner side of lower furnace shell;Temperature monitoring component is installed in the inner side of upper furnace shell and lower furnace shell.The heating device can be heated to pressure reaction kettle in axial and circumferential direction evenly;In the case where a certain heating unit is suddenly damaged, the height position of other heating units is adjusted to maintain uniform axial heating effect.

The present invention relates to an alloy material including an alloy containing at least Ni, Al, and Ti, the alloy material including a matrix phase with a face-centered cubic (FCC) structure and precipitates formed within the matrix phase, exhibiting predetermined peak characteristics and having high resistivity.

A receiver for irregularly shaped bricks cast from non-volatile bituminous material includes a receiver with a specialized storage chamber that can receive viscous bituminous material and a concave lid preferably modified with a radiant heating system that can accept and melt or soften arriving bricks. The lid includes multiple openings or other delivery routes that funnel the melted bituminous material to the chamber below. The radiant heating system can be electrical where cables or grids are embedded in the lid or where conductive materials coat or are distributed throughout the lid. Alternatively, the radiant heating system can be hydronic where channels or conduits are embedded in the lid to circulate heated liquid such as water or water mixed with propylene glycol. The receiver can also include blenders, skimmers, and additional heaters to further skim, blend, or process the bituminous material collected in the chamber.

This composition includes a Ru-Mo-W alloy having, in atomic%, a chemical composition including Mo: greater than 0% and 49% or less and W: greater than 0% and 45% or less, and the total content of Mo and W in the Ru-Mo-W alloy is greater than 30% and less than 50%.

The present disclosure discloses a heater in a Hot-Zone of a single crystal pulling apparatus and a single crystal pulling apparatus. The heater in the Hot-Zone of the single crystal pulling apparatus includes a side-main heater and an auxiliary heater. Each of the side-main heater and the auxiliary heater is a cylindrical structure with openings at two ends thereof. Each of the side-main heater and the auxiliary heater includes a top open end and a bottom open end. The auxiliary heater is sleeved around the side-main heater, and the top open end of the auxiliary heater extends out of the top open end of the side-main heater.

The invention provides a glass plate module which can be arranged in an automobile in a lifting manner. The glass plate module comprises a glass plate; a heating wire provided outside the test area specified in JIS R3212 in the glass plate; the heating wire is arranged on the glass plate, the power supply part is arranged on the glass plate and used for supplying power to the heating wire, when the glass plate is located at the uppermost position, a waist line making contact with a sealing component on the automobile is defined, and at least one part of the heating wire is arranged along the waist line.

A heating element can be moved by a machine, such as a machine including a fan, an actuator, or a conveyor. The heating element can be attached to or embedded in a fan or an actuator. Or, the heating element can be attached to or embedded in a conveyor belt of a conveyor. A combination of a heating element and a mover machine can be further combined with a heat radiating wall. The heating element and the machine can be arranged behind the wall. And, when the heating element and the machine are powered on, the heating element converts electrical energy into heat, which increases the temperature of the wall, and the machine moves the heating element to be next to different areas of the wall. This allows for heat to be distributed more evenly to the wall than it would be if the heating element did not move.

This invention relates to an infrared heater, a fixed structure, and a drying oven. The infrared heater comprises a heating element that radiates infrared rays when heated, an inner tube housing the heating element and forming a heating unit together with the heating element, and an outer tube housing the heating unit detachably. The inner and outer tubes are made of insulating inorganic material and function as low-pass filters absorbing infrared rays with wavelengths greater than 6 μm. The outer tube has a first end with an insertion port for inserting the heating unit. The heating unit has a third end disposed on the first end side and equipped with a power supply unit for supplying power to the heating element. The inner tube has a first flange portion disposed on the third end side and having a diameter larger than the outer diameter of the inner tube. The insertion port of the outer tube has a second flange portion that abuts against the first flange portion when the heating unit is housed inside the outer tube. A space for cooling fluid to flow is formed between the inner and outer tubes. The outer tube has a fluid supply port and a fluid discharge port.

A method of transporting non-volatile bituminous materials from a first location to a second location involves carrying a plurality of irregular bricks formed by the bituminous material in transport chambers carried by vehicles. Bricks are defined by a plurality of non-planar surface, which create gaps between adjacent bricks, and can further include polymer skeletons and other features that help them float. The bricks can travel by land, sea, air, or rail and need not be heated while in transit. Transport chambers have active or preferably passive environmental control systems to circulate cooling air, water, or other substances through the chamber and the gaps between adjacent bricks. In a preferred embodiment, ambient air circulates among the bricks during travel by land and ambient water circulates among the bricks during marine travel. The vehicles carrying the transport chambers can be low-emissions or zero-emission vehicles including fuel-cell powered trains and ships.

The present invention relates to an electrically heated furnace, particularly a furnace for chemical reactions, comprising: a. a furnace chamber including: i. one or more process tubes extending through the furnace chamber; and ii. a plurality of electrically heated heating means disposed inside the furnace chamber for heating the one or more process tubes; and b. an electrical power supply disposed outside the furnace chamber for supplying electrical power to the electrically heated heating means, wherein a. the electrical power supply comprises one or more enclosures connected to but spaced apart from the exterior of the furnace chamber; and b. the electrically heated heating means are connected to an electrical power supply source within the enclosure by one or more electrical connecting rods passing through the wall of the enclosure via one or more hermetic electrical feedthroughs. The present invention also provides a process for conducting chemical reactions in a furnace.

Support for a radiant housing in an industrial furnace The invention relates to a support (27) for supporting a radiant housing (18) within a furnace chamber (11) of an industrial furnace (10), the radiant housing (18) extending along a first main axis (23) and comprising a first end (181), a second end (182) and an electrical heating insert (60), wherein the support (27) comprises a coupling interface (33) for mechanically coupling with a socket (46) in the furnace chamber (11), and wherein the support (27) comprises a bearing (31) for supporting the second end (182) of the radiant housing (18), the bearing (31) being configured for allowing a rotation of the radiant housing (18) around the first main axis (23). The rotation of the radiant housing (18) around the first main axis (23) allows previous deformation of the radiant housing (18) to be compensated for, thereby extending the service life of the radiant housing (18).

Systems and methods are described for a multi-layer heating system. The heating system may include an electrically conductive refractory layer; an electrically insulating layer; and a thermally insulating layer between the electrically conductive refractory layer and the electrically insulating layer. The electrically conductive refractory layer may operate at a significantly higher temperature than the electrically insulating layer. The heating system may also include a wall of a furnace, and an air gap between the thermally insulating layer and the wall of the furnace.

Systems, methods, and apparatus are provided for electrically shielding a heated component, more specifically, in a manner compatible with a circuit protected by a GFCI (Ground Fault Circuit Interrupter). An example is a heated component that is electrically shielded, comprising: a conductor which is a heating element connected between a power line and the neutral line of the circuit from a GFCI; and a shield adjacent to the conductor and connected to the GFCI, the shield receiving a portion of the current from the conductor and returning a portion of the received current to the GFCI.

The invention relates to an Electric heating element (30), in particular for arrangement in a furnace, configured to provide radiant heat, in particular to a heat sink (20). The electric heating element (30) comprises an electric resistance heating element (31) having in its cross section a width and a thickness, wherein the width is greater than the thickness, wherein the electric resistance heating element (31) comprises a middle section (31a), and two end sections (31b) on opposite sides of the middle section (31a) in a width direction (W) of the electric resistance heating element (31). An angle of each corner of at least one of the two end sections (31b) is greater than 90° and / or the outer surface of the at least one of the two end sections (31b) is a curved surface. The invention further relates to a furnace and a method for performing a chemical process and / or for heating a process medium.

The invention discloses a heating control system and a control method thereof, the heating control system comprises a first heating unit, a zero-crossing detection switch unit, a plurality of wave-losing control driving units, a control unit, an input unit and a voltage conversion unit, and each wave-losing control driving unit comprises an optocoupler driving module and a zero-crossing trigger module; the input end of the optocoupler driving module is electrically connected with the output end of the control unit and the output end of the voltage conversion unit, the output end of the optocoupler driving module is electrically connected with the control end of the zero-crossing trigger module, and the input end of the zero-crossing trigger module is electrically connected with the output end of the voltage conversion unit. The output end of the zero-crossing trigger module and one end of the power supply end are connected in series with the first heating pipe. The control unit determines whether to carry out wave loss control on the first heating pipe or not according to the set heating mode and the collected voltage signal of the power supply end, the working state of the zero-crossing trigger module is controlled, electromagnetic interference is not likely to be generated during wave loss control, high-speed response can be achieved, different heating modes can be achieved, and the barbecue experience feeling is better.

In a component (1) with a layered structure, at least one heat-conducting layer (5) is provided, in which a conducting element (2) intended to receive a heat-conducting medium is accommodated. A heat storage layer (3) adjoins the heat conducting layer (5), wherein the heat storage layer (3) comprises a natural stone. The conducting element (2) is accommodated in the heat-conducting layer (5) in a heat transfer element (5′), wherein the heat transfer element (5′) consists essentially of a powdered natural stone. The building element (1) is prefabricated in a production facility before it is transported to a construction site by connecting, preferably gluing, a heat-conducting layer (5), in which a conducting element (2) receiving a heat-conducting medium is accommodated in a heat transfer element (5′) consisting essentially of a powdered natural stone, on one broad side to a heat storage layer (3) made of a natural stone and on the opposite broad side to a supporting and / or insulating layer (4; 9).

The preform (2) heat treatment unit (1) comprises an enclosure delimited by a first wall (4) and a second wall (8), the first wall (4) comprising at least one first heating element (6) and the second wall (8) comprising at least one second heating element (10), forming, with the first heating element (6), a pair of heating elements, the first heating element (6) and the second heating element (10) extending at least partially opposite each other on either side of the enclosure, each heating element (6, 10) being electrically supplied by a current source (24). The first and second heating elements (6, 10) of said pair of heating elements are electrically connected in series to the same current source (24).

Radiant element, usable in at least one furnace for heat treatment, and / or for continuous galvanizing and annealing lines of sheet metal strips or plates and / or other products made of steel and / or other metals and / or for the modernization of at least one pre-existing furnace, wherein the radiant element is used to emit and / or radiate heat, wherein the radiant element has a main longitudinal extension (L) and a transversal extension (M), perpendicular to the main longitudinal extension (L), and includes a shaped wall which defines an external surface, an internal surface and an internal cavity, in addition to at least two main hollow seats, adapted in use to house at least one heating means and at least one connection seat; radiant system and use of this radiant element.

An electrically conductive firebrick connector includes a base having a bottom surface configured to support the firebrick connector when placed on a flat surface; a first cylindrical protrusion having a first end extending away from the base on a first lateral side of the base and a second end configured to be connected to a cylindrically shaped firebrick; wherein the first cylindrical protrusion comprises an electrically conductive firebrick material; a second cylindrical protrusion having a first end extending away from the base on a second lateral side of the base and a second end configured to be connected to another cylindrically shaped firebrick; wherein the second cylindrical protrusion comprises an electrically conductive firebrick material; wherein the first and second cylindrical protrusions are connected to each other by a concave electrically conductive firebrick structure forming part of the base.