581 results about "Heating furnace" patented technology

The invention relates to the technical field of medium-frequency induction heating furnaces, in particular to a medium-frequency induction heating furnace body, a furnace body manufacturing method anda temperature control method. The medium-frequency induction heating furnace body comprises a furnace lining, a material channel allowing a blank to pass through is formed in the middle of the furnace lining, and an induction coil which extends in axial direction of the material channel and is spirally wound on outer side of the material channel is arranged in the furnace lining; and a pluralityof temperature measuring holes are formed in the side wall of the furnace lining in the axial direction of the furnace lining at intervals, the temperature measuring holes are formed in the radial direction of the furnace lining and penetrate through the side wall of the furnace lining, and the temperature measuring holes are located at the intervals between every two adjacent turns of coils of the induction coil. The invention further provides a manufacturing method of the medium-frequency induction heating furnace body and a temperature control method of the medium-frequency induction heating furnace. According to the furnace body, the temperature measuring holes are formed in the side wall of the furnace body for temperature measurement instead of adopting the temperature measurement mode at a discharge port so that the temperature measurement accuracy can be improved.

The application discloses a method for reducing energy consumption by optimizing production of a natural power factor and secondary voltage of a ferrosilicon electric arc furnace, and belongs to the technical field of ferrosilicon smelting. The method solves the problems of low power factor, blind secondary voltage regulation, high power consumption and poor furnace stability in the traditional process. The method comprises three-stage operation methods. The first stage is a voltage lifting and furnace condition adapting stage, the second stage is a voltage stabilizing and parameter coordinating optimizing stage, and the third stage is a parameter solidifying and efficiency enhancing stage. The method takes the improvement of the operating resistance of the electric arc furnace as the core, controls the whole process in stages, constructs a benign smelting cycle of "high voltage-low current-high power factor", realizes the synchronous optimization of the natural power factor and the secondary voltage, and greatly improves the economy and production stability of the ferrosilicon smelting.

Provided is a method of hot rolling that obtains a good shape for hot-rolled coils. The method of hot rolling of the present disclosure includes hot rolling a slab after heating the slab in a heating furnace. Skids that support and transport the slab shift at least once in the heating furnace. A maximum arrival temperature Ta in °C reached by the slab from when the slab is charged into the heating furnace until prior to undergoing a shift furthest on a slab extraction side of the heating furnace and a maximum arrival temperature Tb in °C reached by the slab after undergoing the shift furthest on the slab extraction side of the heating furnace and until being extracted from the heating furnace satisfy Tb + 80 °C > Ta > Tb + 10 °C. Ta is the maximum arrival temperature reached by the slab in the heating furnace and is 1150 °C or higher. The slab has a chemical composition such that a y phase ratio at Ta is 25 mol% or less.

This invention proposes an energy-saving waste lithium battery pyrolysis recycling furnace and method, relating to the field of lithium battery pyrolysis recycling technology. It includes a support base and a recycling furnace body connected above the support base. The furnace body includes a heating furnace tube, a feeding assembly movably disposed inside the heating furnace tube, and front and rear door assemblies respectively disposed at both ends of the furnace body. Multiple heat-insulating components are rotatably disposed on the outer side of the heating furnace tube, and a heating assembly is disposed near the rear end of the heating furnace tube. The heating assembly is connected to a feeding structure, which is connected to the multiple heat-insulating components, which are connected to the heating furnace tube. The energy-saving waste lithium battery pyrolysis recycling furnace and method provided by this invention avoids the problems of high energy consumption, material sticking to the walls, and inconvenient installation and disassembly of existing waste battery pyrolysis recycling equipment. The overall operation of the device is convenient and feasible, and it has excellent application effects.

The application discloses a heating furnace roller bed polishing device and a polishing method, and belongs to the field of heating furnace roller bed polishing devices. The device comprises a mobile carrier, a lifting mechanism, a transverse moving mechanism, a polishing unit, an electric control unit, a cable drum and a counterweight assembly. The mobile carrier is suitable for being hoisted to the heating furnace roller bed and moving along the extension direction of the roller bed. The lifting mechanism is arranged on the mobile carrier. The transverse moving mechanism is arranged on the lifting mechanism. The polishing unit is arranged on the transverse moving mechanism and located on one side of the mobile carrier. The polishing unit comprises a driving wheel, a driven wheel, a sand belt, a driven wheel supporting arm and an elastic tensioning assembly. The lifting mechanism can drive the polishing unit to descend towards the roller bed. The transverse moving mechanism can drive the polishing unit to move along the axial direction of the roller bed. The electric control unit is used for controlling the mobile carrier to automatically change positions at a preset roller bed interval. The application can realize automatic polishing of the roller bed in the semi-closed, high-temperature and high-dust environment of the heating furnace, reduces manual work in the furnace, improves polishing efficiency and reduces operation risks.

This utility model relates to a sliding-rail type tubular Joule furnace, including a furnace box, a tube cavity, a three-way bracket, a sample stage, an infrared temperature probe, and a data control system. The furnace box houses a power supply control system; vacuum flange two and vacuum flange one are respectively installed at the left and right ends of the tube cavity. The design, where two power output wires are connected to the sample stage via vacuum electrodes without passing through the right side of the tube cavity, allows the tube cavity to slide freely left and right as needed, maximizing the exposure of the sample stage and facilitating sample installation and replacement. The tube cavity is constructed from commonly used tube furnace materials such as quartz tubes, corundum tubes, and composite structures, allowing for quick and low-cost replacement as needed while ensuring system sealing. Employing a flange structure common in tube furnaces, with pre-installed inlet and outlet ports, it facilitates various operations such as heating, gas collection, and distillation without requiring additional devices.

1. Name of the designed product: electric heating furnace (25D1205). 2. Use of the designed product: for cooking food and heating various vessels. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The present invention relates to a method for heating a steel sheet or a blank for hot press forming, in which the heating method comprises: a step of preparing a steel sheet or a blank; and a heating step in which the steel sheet or the blank is passed through a heating furnace including two or more zones, wherein, in the heating step, the temperature and residence time of each zone are controlled such that Hsum, which is represented by relational expression 1, is 1.00 or more.

This invention belongs to the field of metallic materials and provides a method for manufacturing a 500MPa grade steel plate that can be welded in a low-temperature environment without preheating. The steel plate adopts a low-carbon, low-manganese chemical composition system and adds microalloying elements such as V-N, Ti, and Mo to refine the grain size. The (Ti+V) / (C+N) ratio is precisely controlled. By adding La, Ca, Mg, and Zr, fine and dispersed oxide particles are formed in the steel, improving the uniformity of performance in the thickness direction of the steel plate. The manufacturing method includes smelting, continuous casting, furnace heating, rolling, online cooling, and tempering. The steel plate produced by this invention has a yield strength of 530~580MPa, a tensile strength of 630~670MPa, an elongation after fracture ≥24%, an impact energy of ≥240J at -80℃, a tensile strength of 650~680MPa after welding in a 0℃ environment, and an impact energy of ≥150J at -60℃ in the heat-affected zone.

The utility model discloses a kind of heating furnace furnace wall equipment mounting hole cleaning tools, belong to installation equipment furnace wall hole cleaning technical field, including cleaning head, cleaning head includes integrally connected conical front end and circular table shape rear end, circular table shape rear end side surface is provided with spiral structure along axial direction, circular table shape rear end rear portion is connected with the front end of connecting rod, the rear end of connecting rod is connected with handle, handle is equipped with heat insulation layer on it.The utility model can completely remove blockage, cleaning effect is good, and has the advantages of easy operation and high temperature resistance.

This invention belongs to the field of heat treatment, specifically a heat treatment device for an integrated ball-and-socket valve tappet with an anti-deformation structure. It includes: a material-holding mechanism for supporting the tappet within a heating furnace; and a limiting mechanism disposed on the material-holding mechanism for limiting the lugs at the top of the tappet, reducing deformation during heat treatment. The material-holding mechanism includes a material rack and at least one material tray disposed on the rack. The bottom of the material tray has a grid structure and multiple mounting holes that are interference-fitted with guide bodies for loading the tappet. The limiting mechanism includes a transmission mechanism and a limiter. By setting the limiter, the two thinner lugs on the tappet can be limited to reduce deformation during heat treatment. The mounting holes also allow the tappet to be placed vertically during heat treatment, reducing elliptical deformation of the top lugs due to gravity.

This invention discloses an ultra-high strength hydroformed structural component and its manufacturing process, comprising the following steps: First, an aluminum-silicon coated aluminized hot-formed steel pipe is selected to form a welded pipe, and the substrate of the structural component is obtained by hydroforming; Second, a pretreatment system is established for the substrate before heating, and the substrate from step one is transferred into the solution in the pretreatment system and immersed; Third, the pretreated substrate is placed in a heating furnace at - degrees Celsius, so that the solution forms carbides under high temperature, and the substrate is removed after being heated to the set temperature; Fourth, the substrate from step three is placed in a mold with a water flow cooling function, and the upper and lower molds are pressed together to quickly cool and quench the pipe. This invention relates to the field of industrial production technology. This invention can form carbides in the substrate under high temperature through immersion in the solution, without forming oxides, which greatly improves the structural strength of the structural component.

The application discloses an alloy cushion block for a large walking beam heating furnace and a preparation method thereof, and the preparation method comprises the following steps: S1, determining the melting point of the alloy cushion block based on the atomic penetration depth of an alloy B containing FeO on multiple different alloy A with a melting point higher than that of the alloy B; S2, studying the load-bearing condition of the alloy cushion block to determine the required compressive strength; S3, designing the composition of the alloy cushion block; and S4, carrying out the industrial design of the alloy cushion block and starting smelting. Through reasonable alloy composition and production process design, the application provides a high-temperature heat-resistant alloy cushion block, improves the strength and melting point of the alloy cushion block, enables the alloy cushion block to maintain high strength at high temperature, solves the problem of FeO bonding in a molten state, reduces the phenomenon of heating furnace nodulation, and has universality and is suitable for various casting processes.

This invention discloses an immersive VR / AR-based method for training and remote collaborative operation and maintenance of a heating furnace. This invention achieves two-way AR / VR collaborative operation and maintenance functionality, enabling remote experts to provide real-time guidance to on-site personnel through 3D annotations, filling the technological gap between training and operation and maintenance. Simultaneously, this invention utilizes customized high-fidelity rendering tailored to the unique physical phenomena of the heating furnace, surpassing existing general-purpose physics engines. The AR application scenario of this invention involves collaboration between experts and on-site personnel, rather than individual learning by trainees. It employs SLAM + 3D point cloud to achieve precise alignment between virtual and real spaces, and uses a two-way communication protocol to achieve real-time mapping of interactive commands, solving the technical challenge of existing AR systems' inability to support remote expert collaboration.

The utility model relates to adsorption appearance technical field, concretely provides a kind of sample pretreatment equipment and adsorption appearance, the present application aims at solving how to improve the problem of test efficiency.For this purpose, the sample pretreatment equipment of the present application is connected by the one end of first installation passage on mounting mechanism with inlet and outlet air mechanism, the other end is used to install sample tube neck, and first installation passage is coaxially arranged with heating passage on heating furnace, so that the tube bottom of sample tube installed in first installation passage can be inserted into corresponding heating passage when heating furnace is close to mounting mechanism, pretreatment operation is carried out, and then improve test efficiency, solve the problem that test efficiency is influenced by needing to be manually loaded into heating furnace and manually connected with inlet and outlet air mechanism in prior art.

The present invention provides a kiln equipped with a foldable furnace body, which can be easily folded for convenient portability and storage. Furthermore, it provides a heating device that can heat the firing space and simultaneously heat the area above the top lid. [Solution] In a kiln comprising a base, a foldable furnace body, a top lid, and a heating device, the base has an upper storage tank, the foldable furnace body has multiple wall plates that can change between an unfolded state and a folded state, the top plate of the top lid is recessed to form a heating tank, the heating device is provided inside the top lid and is located on the opposite side of the heating tank, when the foldable furnace body is in the unfolded state the wall plates are formed together to surround the firing space and are detachably inserted into the upper storage tank, and the top lid detachably covers the upper side of the foldable furnace body. At this time the heating device faces the firing space and heats the firing space and the heating tank simultaneously with the generated thermal energy.

This invention provides a feedforward control system for improving the control accuracy of a heating furnace, comprising: a temperature sampling device that periodically collects the temperature of the heating furnace at preset time intervals; a feedforward temperature determination device for determining a feedforward temperature based on the temperature at the previous moment and the actual temperature; a furnace temperature control device for processing the feedforward temperature using a furnace temperature PID control method to obtain a furnace temperature control quantity; and a gas supply device for adjusting the gas supply to the heating furnace according to the furnace temperature control quantity, so as to adjust the temperature of the heating furnace towards a preset target temperature. This invention solves the problem of significantly reducing temperature overshoot without sacrificing the heating furnace temperature adjustment speed.

This invention relates to the field of vacuum heat treatment technology, specifically to a vacuum heat treatment furnace. It comprises an arc-shaped temperature-conducting plate between the inner wall of the furnace and the heating tubes, and a transition furnace surrounding the furnace, forming a transition cavity. The transition cavity connects to a pre-evacuation assembly, which is configured as a steam jet pump. A heat-insulating assembly, including an electric cylinder and a temperature sensor, is mounted on the furnace; the electric cylinder is connected to the arc-shaped temperature-conducting plate. The transition cavity consists of two non-communicating secondary chambers: one secondary chamber connects to the inlet of a cooling tank assembly and the interior of the furnace, and the other secondary chamber connects to the outlet of the cooling tank assembly and the interior of the furnace. The cooling tank assembly includes an inner tank and an outer tank. The inner tank stores a low-temperature inert gas, and a low-temperature liquid inert gas is stored between the inner and outer tanks, connected to the bottom of one of the secondary chambers via a liquid-cooling pipe. This invention addresses the technical problem of shortening the vacuuming and heating time and the heat treatment time in vacuum heat treatment.

This utility model relates to the field of valve technology, and specifically to a valve plate sealing structure for a reversing valve of a heating furnace. The reversing valve includes a valve body, a valve plate, a partition plate, a valve plate pull rod, and a pneumatic actuator. The lower surface of the valve plate has a valve plate sealing ring groove, and the bottom of the groove has a dovetail groove. The upper surface of the partition plate has a partition plate sealing ring groove. A sealing ring is provided between the valve plate sealing ring groove and the partition plate sealing ring groove. The upper part of the sealing ring is embedded in the valve plate sealing ring groove, and the top of the sealing ring tightly fits with the dovetail groove of the valve plate sealing ring groove and is bonded to it. When the valve plate and the partition plate are pressed together, the bottom of the sealing ring makes sealing contact with the partition plate sealing ring groove. At this time, a pre-reserved gap is provided between the valve plate and the partition plate. This utility model ensures a sealing effect through the cooperation of the sealing ring with the valve plate sealing ring groove and the partition plate sealing ring groove. The sealing ring is easy to replace.

This invention belongs to the field of combustion control technology for heating furnaces, specifically a dynamic prediction method for air-fuel ratio based on combustion control in heating furnaces. It includes preprocessing raw monitoring data from the heating furnace operation process based on combustion mechanisms, constructing a multi-dimensional input vector, outputting the optimal air-fuel ratio prediction value for future moments based on an improved LSTM neural network model, and adjusting the combustion air supply to the heating furnace according to the optimal air-fuel ratio prediction value. This invention effectively solves the problem of slow response to gas fluctuations and changes in operating conditions in traditional methods through the synergistic driving of mechanisms and data, significantly improving the accuracy and real-time performance of combustion control. Furthermore, by deeply integrating physical mechanisms, it enhances the model's generalization ability and interpretability, significantly improving the thermal efficiency of the heating furnace and reducing unit product energy consumption and harmful gas emissions.

The utility model discloses a kind of heat recovery type chemical production drying equipment, including shell, feed inlet, propelling rod, motor one and support rod, the upper end of the shell is equipped with feed inlet, the lower end of the feed inlet is equipped with propelling rod, the output shaft one side of motor two is fixedly installed with gear, the side of the shell is equipped with heating furnace, the upper end surface of the shell is equipped with induced draft fan, the side of the induced draft fan is equipped with dust collector.The heat recovery type chemical production drying equipment, starting motor two, drying barrel starts to rotate, since the inside of heat-absorbing plate is evenly distributed with meshed aluminum band, the material to be dried will be divided by meshed aluminum band in the process of falling, since multiple heat-absorbing plates are set, the material to be dried will be fully contacted with hot air in the process of falling, not only that, after aluminum band in heat-absorbing plate absorbs the heat of hot air, the aluminum band of heating can also play the effect of accelerating drying, to improve the efficiency of drying.

This application discloses an apparatus for preparing carbon nanotube powder and its application. The apparatus includes a carbon source and catalyst introduction unit, a carbon nanotube growth unit, and a temperature control unit. The carbon source and catalyst introduction unit includes a gas flow control module, a first raw material storage container, a first pressure controller, a second raw material storage container, and a second pressure controller; each of the two raw material storage containers is equipped with an independent heating module. The carbon nanotube growth unit includes a gas mixing container, a plasma generation module, a vacuum module, a heating furnace, and a reaction pipeline. The temperature control unit independently controls each heating module. This apparatus can accommodate raw materials in different physical states, solves the problem of uneven and difficult-to-control catalyst particle size, and enables precise control of the diameter and wall number of carbon nanotubes, producing high-purity, high-quality single-walled carbon nanotube powder. It is of great significance for the scientific research and large-scale production of high-purity, high-quality single-walled carbon nanotube powder.

This invention relates to an apparatus and method for preparing magnesium alloy wire for arc additive manufacturing by pulsed current-assisted hot drawing with a roller die, belonging to the field of magnesium alloy wire preparation technology. The apparatus includes a pay-off frame, a straightener, a tubular heating furnace, a pulse power supply, a roller die, and a drawing machine. The roller die includes a roller die frame and roller sets. The roller die frame includes an elliptical roller die frame and a circular roller die frame. The elliptical roller die frame contains an elliptical roller set, and the circular roller die frame contains a circular roller set. The rollers of the elliptical and circular roller sets are fixed to the elliptical and circular roller die frames by high-temperature resistant ceramic bearings. This method uses a pulsed current to connect the electrodes to the rollers and the pulse power supply, transmitting the pulsed current to the wire through the rollers. Furthermore, the rollers and wire maintain close contact at all times, avoiding or even eliminating the adverse effects of friction and arcing between the electrodes and wire on the surface quality of the wire during conventional electroplastic drawing.

The purpose of the present invention is to provide a combustion-type ammonia decomposition device wherein NH3 and an oxidant are supplied to the combustion-type ammonia decomposition device, combustion heat generated by a combustor is utilized to the maximum extent as heat for decomposing NH3 into N2 and H2, and, furthermore, the decomposition gas is purified to efficiently produce H2. Provided is a combustion-type ammonia decomposition device (101) comprising a combustor (11) configured by a burner, a combustion furnace (12) in which the combustor (11) is disposed, a heating furnace (14) connected following the combustion furnace (12), and a catalyst vessel (15) connected following the heating furnace (14), wherein: in the combustion furnace (12), NH3 and an oxidant supplied to the combustor (11) are combusted, and a combustion gas containing steam and N2 generated in the combustion furnace (12) is supplied to the subsequent heating furnace (14); in the heating furnace (14), NH3 supplied separately to the heating furnace (14) is heated and decomposed by the combustion gas, and decomposition gas produced by decomposing the NH3 in the heating furnace (14) is supplied to the subsequent catalyst vessel (15); and in the catalyst vessel (15), residual NH3 contained in the decomposition gas is decomposed by using a catalyst (16).

The application discloses a heating furnace control method, device, equipment and storage medium for delayed coking, and the method comprises the following steps: generating a three-dimensional thermodynamic model of the heating furnace and performing gridding according to heating furnace modeling; obtaining simulation results of the three-dimensional thermodynamic model according to preset input parameters; judging whether the outlet cross-section position of the heating furnace includes a grid exceeding a preset target temperature range, if yes, updating the heat source power and returning to the simulation result calculation step; if no and the current judgment is the first judgment, updating the feeding rate and returning to the simulation result calculation step; if no and the current judgment is not the first judgment, going to the next step; judging whether the heating furnace includes a grid exceeding the preset upper limit of free state coke content, if yes, updating the heat source power and the feeding rate and returning to the simulation result calculation step; if no, generating a control instruction according to the current heat source power and the feeding rate. The application can fully exert the production efficiency of the heating furnace.

A heat treatment transfer and hoisting system includes a basket and hoisting hooks. The basket comprises a set of baskets (1) stacked sequentially. A lifting frame (2) is installed inside the basket (1). A set of hooks (3) are arranged in a ring on the lifting frame (2). The hooks (3) on the lower basket (1) are hooked to the bottom of the upper basket (1). The advantages are: multiple baskets can be stacked and hoisted into the heating furnace simultaneously for heat treatment. The basket has good stability, which improves the heat treatment efficiency. The hooks have a fast hoisting speed, good hoisting stability, and are easy to assemble and disassemble.

This utility model belongs to the technical field, specifically relating to a heating structure for a pyrolysis furnace. It includes: a heating chamber disposed below the pyrolysis furnace, with at least one vent hole at the top of the heating chamber corresponding to the bottom of the pyrolysis furnace; a heating hood covering the heating chamber and the outside of the pyrolysis furnace, with an exhaust port at the top of the heating hood, and a heating channel forming inside the heating hood connecting the exhaust port and the vent hole; and a burner nozzle connected to the interior of the heating chamber. This utility model addresses the problem of uneven heating and heat loss in traditional direct heating methods. By blowing hot air through the vent hole at the top of the heating chamber, direct contact between the heat source and the pyrolysis furnace is avoided, changing the traditional direct heating to indirect heating. Simultaneously, the enclosed interior of the heating chamber and the top vent hole constrain the flow of hot air, ensuring that heating primarily occurs at the bottom of the material accumulation area, preventing airflow diffusion and reducing heat loss.

This invention discloses a nitrogen-free atmospheric pressure superconducting heater, which relates to the field of heaters. The heater includes a heater body, within which an oil-water coil, an oxygen preheating pipe, a natural gas preheating pipe, and a combustion chamber are arranged. A superconducting heat pipe is installed at the top of the combustion chamber. A pure oxygen generator is installed at one end of the oxygen preheating pipe, and a natural gas source is installed at one end of the natural gas preheating pipe. An oxygen-enriched burner is installed on the side of the heater body. This nitrogen-free atmospheric pressure superconducting heater integrates environmental protection, energy saving, and safety. It solves the problems of inaccurate nitrogen control and inability to ensure long-term stable NOx compliance in existing heaters with low-NOx burners; it also solves the problem of existing heaters using conventional low-NOx burners generating large amounts of sulfurized condensate that corrodes the chimney; and it addresses the issues of existing heaters operating under closed pressure, being pressure vessels requiring mandatory annual inspections of the equipment and safety accessories, posing high-pressure risks and complex maintenance requirements.

This invention discloses a simulated oxidation detection device and method for lead-acid battery casings, including a heating furnace, a beaker placed on the furnace, and an adjusting bracket placed on the side of the furnace. One end of the adjusting bracket extends above the beaker, and a temperature measuring element and a sample are connected to the adjusting bracket, with the temperature measuring element and the sample immersed in cooling water. During detection, the heating furnace is turned on, and cooling water from a workshop water bath is placed in the beaker, with the internal water temperature heated to a stable 40℃±1℃. Two prepared samples are taken: sample A is wrapped with a PE protective film, and sample B is without a film. They are connected to the bracket, with one end immersed in water, and continuously bathed for 24 hours. Finally, the two samples are compared with a control sample. Compared with existing technologies, this invention has a scientifically sound structure, is simple and convenient to operate, and can screen out batches of ABS granules with poor acid resistance and heat resistance at the material stage, preventing them from flowing into subsequent injection molding and battery assembly processes, thus eliminating the phenomenon of discoloration and mottling of the casing from the source.

The utility model discloses an electrode boiler heating system relates to electrode boiler technical field, including crowbar piece one, the one side of crowbar piece one is provided with crowbar piece two and crowbar piece three, and crowbar piece two sets up on the upside of crowbar piece three, and the electrode type hot water boiler is contained in crowbar piece one, and the high pressure equipment is installed in crowbar piece two, and the low pressure equipment is contained in crowbar piece three. Through above-mentioned technical scheme, the electrode type hot water boiler is no longer the heating furnace of separate but a heating system, and the different crowding of setting can make the different equipment install in the different position and be convenient for management, and the electrode heating furnace main part is high -tension wire, and the high -voltage electric equipment is placed in the same place and will be more safe.