613 results about "Electromagnetic heating" patented technology

The application discloses an electromagnetic heating circuit, a control method and device of an electrical appliance, and the electrical appliance. The circuit comprises at least two resonance modules, at least two switch modules, an inverter module, a gating module, an oscillation driving module, a voltage signal extraction module, and a control module. The switch module comprises a fixed end, a movable end, a first position end, and a second position end. The fixed end of the at least two switch modules is connected to the at least two resonance modules one by one. The inverter module is connected to the first position end. The gating module is connected to the second position end. The oscillation driving module is connected to the gating module. The voltage signal extraction module is connected to the oscillation driving module. The control module is connected to the inverter module, the voltage signal extraction module, the gating module, and the at least two switch modules. The technical scheme provided by the embodiment of the application can detect whether a pot is placed at a position corresponding to a resonance module not in a heating state when part of the resonance modules in the electromagnetic heating circuit are in the heating state.

The utility model relates to the technical field of food processing equipment, in particular to multifunctional puffing equipment which is composed of a screw power system, a feeding system, a puffing system, an electromagnetic heating device, a control box and a base. Continuous quantitative feeding is kept under the airtight condition, materials are heated, boosted and cured through electromagnetic heating and pressurizing of the puffing cavity, discharging, continuous quantitative feeding and discharging are achieved through the intelligent pulse type air escape valve under propelling of rotation of the screw, the industrialization degree and the automation degree are improved, and heat loss and noise pollution are reduced. And a forming processing device is additionally arranged at the discharge hole, so that a formed product can be produced. According to the present invention, the airflow puffing principle and the extrusion puffing principle are combined together, such that the defects that the continuous feeding cannot be performed through the airflow puffing and the extrusion puffing machine barrel cannot rotate are overcome, and the heating and pressurization method of the puffing cavity is adopted so as to reduce the internal friction force of the machine part, and improve the puffing efficiency and the quality of the puffed material.

The invention discloses an intelligent electromagnetic heating safety control system for an oil field, and relates to the technical field of heating control, the system is composed of a plurality of functional modules, and the system comprises a feature extraction module for collecting time sequence data of intelligent electromagnetic heating equipment, including air outlet temperature, pressure and hot air flow, performing phase-space reconstruction on the time sequence data, performing singular value decomposition on the reconstructed time sequence data, and extracting dynamic association features; the data migration module is used for constructing a health model adaptive to a new working condition by adopting a deep migration learning method and combining with the time sequence data under the current working condition based on normal operation data under historical similar working conditions; and the fault prediction and diagnosis module is used for acquiring the dynamic correlation features, inputting the dynamic correlation features into the health model to obtain health feature representation, health degree and fault prediction time, calculating residual errors based on the health feature representation, introducing time-frequency features, and adopting a support vector machine classifier to take the time-frequency features and the residual errors as input.

The invention discloses an electromagnetic heating system, and a method and a device for detecting the thermistor of the electromagnetic heating system. The method comprises the following steps of: recording the temperature value obtained by the thermistor as a first temperature value when the electromagnetic heating system is powered on; recording the temperature value obtained by the thermistoras a second temperature value when the electromagnetic heating system is in a standby state; obtaining the maximum temperature value and the minimum temperature value of the temperature value obtainedby the thermistor in a continuously preset second preset time every other first preset time during the heating process of the electromagnetic heating system; and judging whether the thermistor is ina failure state or not according to the first temperature value and / or the second temperature value, the maximum temperature value, and the minimum temperature value. The method for detecting the thermistor of the electromagnetic heating system judges whether the thermistor fails or not according to the static temperature values at the time of power-on and standby and the dynamic temperature valuein the heating process, so that the accuracy and the reliability of the judgment are greatly improved, and the safety of the system is improved.

The invention discloses a working parameter determination method and device, electromagnetic heating equipment and a storage medium, the method is applied to the electromagnetic heating equipment with a plurality of detection devices, and the detection devices are used for detecting working parameters of corresponding positions; the method comprises the steps that under the condition that electromagnetic heating equipment heats cookware, detection devices covered by the cookware are classified into detection groups according to the current heating position of the cookware; and determining the working parameters corresponding to the cookware according to the detection data corresponding to the detection device with the normal working state in the detection group under the condition that the working state of at least one detection device in the detection group is abnormal and the working state of at least one detection device in the detection group is normal, so that the working parameters of the cookware are determined according to the detection data corresponding to the detection device with the normal working state in the detection group. Under the condition that the working states of part of the detection devices are abnormal, the working parameters can be determined through the detection devices in the normal working states, and the probability of normal working of the electromagnetic heating equipment is effectively improved.

The utility model relates to the technical field of bicycle chain wheel production, in particular to bicycle chain wheel carburizing and quenching equipment which comprises a base, a first groove body is formed in the top of the base, a heating assembly is arranged on the inner side of the first groove body, and the heating assembly comprises a stainless steel plate fixed to the inner side of the first groove body through bolts. An electric heating wire is fixed in the stainless steel plate through a bolt; the electric heating wire can heat the carburizing material and the bicycle chain wheel in the first groove body to 900-950 DEG C, carburizing is conducted on the bicycle chain wheel, the carburized bicycle chain wheel can be heated through the electromagnetic heater, the heated bicycle chain wheel is moved into clear water in the second groove body, quenching is conducted on the bicycle chain wheel, and the service life of the bicycle chain wheel is prolonged. The sliding sleeves at the two ends of the interior of the structural base are arranged on the outer sides of the transverse rods in a sleeving mode, so that the pushing assembly can move, the bicycle chain wheel can move between the first groove body and the second groove body, and the bicycle chain wheel can be directly quenched after being carburized.

This application discloses an electromagnetic heating circuit, a control method, a device, and an electrical device. The electromagnetic heating circuit includes N resonant modules, an inverter module, N pot detection modules corresponding one-to-one with the N resonant modules, N switching switches corresponding one-to-one with the N resonant modules, a first expansion module, and a control module. The first expansion module may include multiple first expansion units, with any N first connection terminals of the multiple first expansion units connected one-to-one with the N pot detection modules. A first common connection terminal is connected to a first interface of the control module, allowing the control module to receive N pot detection signals output by the N pot detection modules through multiple first interfaces, while the number of first interfaces is much smaller than the number of pot detection modules. Therefore, the electromagnetic heating circuit in this application can expand the input of the control module by setting a first expansion module, thereby saving interface resources of the control module and reducing the difficulty of chip selection.

This utility model relates to a leveling device for molybdenum sheets after rolling. This utility model effectively solves the problems of uneven leveling, difficulty in effectively eliminating longitudinal and transverse deformation of molybdenum sheets, and difficulty in eliminating residual stress within the molybdenum sheets caused by existing leveling devices. This molybdenum sheet leveling device allows the upper and lower sets of movable pressure rollers to simultaneously form a V-shaped arrangement, applying a combined radial extrusion force and axial tensile force to the molybdenum sheet. This effectively eliminates longitudinal and transverse deformation residual stress of the molybdenum sheet simultaneously, thus solving the problem of incomplete stress elimination caused by traditional uniaxial leveling. The bottom roller mechanism and the top pressure roller mechanism can also level the molybdenum sheet and form a continuous roller pressing channel, achieving uniform conveying of the molybdenum sheet and significantly improving leveling efficiency. The electromagnetic heating unit can heat the molybdenum sheet, reducing its yield strength, making it easier to eliminate deep residual stress, improving deformation recovery rate, and thus improving the processing quality of the molybdenum sheet.

The invention relates to the technical field of solid waste harmless and recycling equipment, in particular to a gradient temperature pyrolysis-melting vitrification integrated treatment device and process for red mud. According to the device, an electromagnetic heating rotary kiln pyrolysis section and an electrode melting section are directly coupled with a material transfer device through high-temperature atmosphere isolation. The process comprises the following steps: granulating red mud, a reducing agent and a flux, feeding into a rotary kiln of which the temperature is accurately controlled by multiple groups of electromagnetic induction coils in a partitioned manner, and sequentially completing dehydration, selective reduction and iron particle polymerization to produce gt; high-temperature pyrolysis slag at 1000 DEG C; the pyrolysis slag directly falls into an electric melting pool to complete melting and iron-slag liquid phase separation under absolute isolation of reducing atmosphere and oxidizing atmosphere by the device, and pig iron and a stable glass body are respectively obtained. Through the design of'hot slag direct melting 'and'energy closed loop', the problems of high energy consumption and complex flow of the traditional process are solved, and efficient recovery of iron resources in the red mud and thorough harmless and high-valued utilization of the residues are realized.

The embodiment of the invention provides a winter construction reinforced concrete electromagnetic curing method and system based on a layered progressive mathematical control framework, and belongs to the technical field of crossing of intelligent construction, advanced process control and computational mathematics. The method comprises the following steps: acquiring temperature, hydration degree and environmental parameters in real time, performing space-time fusion with electromagnetic heating input, constructing a maintenance state feature vector, establishing a parameterized grey box prediction model based on a multi-physics coupling mechanism, and realizing online joint estimation of state and model parameters by combining Bayesian inference and unscented Kalman filtering. On this basis, distributed robust model predictive control is introduced, modeling is carried out on external disturbance uncertainty, an optimal heating strategy is generated, finally, execution of all heating subareas is coordinated through a distributed cooperative control algorithm, global optimization of the maintenance process is achieved, the temperature difference risk in winter construction is effectively reduced, and the maintenance efficiency is improved. The maintenance energy efficiency and the system operation stability are improved.

The invention discloses an electromagnetic heating assembly and an electric cooking utensil, and relates to the technical field of electromagnetic heating devices, and the electromagnetic heating assembly comprises an installation support which is configured to be in an arc shape and forms a containing groove; the coil structure comprises a first coil and a second coil, the first coil is fixed in the containing groove and is coaxial with the containing groove, a plurality of second coils are arranged outside the first coil in a circumferential array mode, and every two adjacent second coils are connected in series or in parallel. The first coil is connected in series or in parallel with one of the second coils; wherein the first coil and the second coil are formed by winding aluminum-based graphene wires. According to the technical scheme provided by the invention, the heating range is expanded, the manufacturing cost is reduced, and the occupied volume is reduced.

The utility model discloses a high-frequency quenching device for high-strength bolt production, which comprises a frame and a cooling tank positioned at the front end of the frame, a high-frequency quenching mechanism is arranged on the frame, and a reciprocating lifting mechanism is arranged in the cooling tank. The high-frequency quenching mechanism comprises a driving motor, a group of rotating shafts, two groups of chain gears, a group of transmission chains, a plurality of groups of bearing plates, a mounting plate, a high-frequency quenching machine and an electromagnetic heating coil. The continuous quenching device has the beneficial effects that a group of transmission chains drive a plurality of groups of bearing plates to rotate and are matched with a high-frequency quenching machine to drive an electromagnetic heating coil to carry out continuous quenching treatment on the head of the high-strength bolt, so that the quenching efficiency is improved; the quenched high-strength bolt falls into the bearing screen frame, the reciprocating lifting mechanism drives the bearing screen frame to do reciprocating lifting motion in the cooling tank, the head of the high-strength bolt is rapidly cooled, cooling of the head of the high-strength bolt is more uniform, after cooling is completed, the bearing screen frame is lifted to the top, and the high-strength bolt is conveniently taken out.

The utility model discloses an engineering plastic molecular chain double-bond stabilizing device, and relates to the technical field of plastic double-bond stabilization, the engineering plastic molecular chain double-bond stabilizing device comprises a support frame, the top surface of the support frame is provided with a transmission case, one end of the transmission case is provided with an extrusion screw rod, and the other end of the transmission case is provided with a screw rod; an electromagnetic heater is arranged on the surface of the outer side of the extrusion screw rod, a pretreatment assembly is arranged on the upper portion of the extrusion screw rod and comprises a supporting frame and a hollow sleeve, a feeding port is formed in the inner wall of the supporting frame, a stirring tank is installed on the top face of the feeding port, and stirring blades are rotationally connected to the inner wall of the stirring tank; a double-bond material pipe and a plastic particle pipe are mounted on the top surface of the stirring tank. Through the synergistic effect of the spiral heating oil cavity in the stirring tank and the stirring blades, double-bond materials and plastic particles are pre-reacted under heating of the hollow sleeve, and the double-bond breakage risk in the subsequent high-temperature hot melting stage is reduced.

The invention provides a fluidized bed carbonyl method powder surface modification production device and a use method thereof, belongs to the technical field of powder metallurgy and atomic vapor deposition, and solves the problem of lack of a stable and efficient fluidized bed carbonyl method powder surface modification production device in the prior art. An electromagnetic heater is arranged on the fluidized bed reactor, a fluidized bed hood is arranged at the bottom of the fluidized bed reactor, the fluidized bed reactor is sequentially connected with a cyclone separator and a dust collector, the dust collector is connected with the fluidized bed reactor, the cyclone separator and the dust collector are respectively connected with a passivation bin, and the passivation bin is connected with multistage linear screening equipment. According to the method, a chemical fluidized bed technology and a material chemical vapor deposition preparation technology are combined, the characteristics of high purity, low thermal dissociation temperature and the like of a carbonyl metal intermediate compound are utilized, carbonyl nickel liquid is used as a raw material, and atomic vapor deposition coating of high-purity nickel metal atoms is carried out.

The invention discloses a mineral geological exploration device, which belongs to the field of mineral drilling, and comprises a drilling machine body, a vertical plate arranged on the drilling machine body, a lifting part and a traction part arranged on the vertical plate, and a downward drilling part arranged on the vertical plate and connected with the lifting part, the supporting table and the drill rod slip are fixed to one side of the drilling rig body and located below the vertical plate, and the drill rod slip is located below the supporting table; according to the scheme, the locking treatment assembly is arranged, and the joint of the two drill rods can be heated through the electromagnetic heating part; heat is firstly generated on the surface of the female buckle, the temperature of the female buckle is rapidly increased by utilizing an alternating magnetic field, so that the female buckle generates radial thermal expansion, the diameter of the female buckle is increased, and the thread fit tightness between the male buckle and the female buckle is instantaneously reduced within an extremely short time when the heat is not conducted to the inner-layer male buckle, so that the friction torque is greatly reduced, and conditions are created for subsequently applying the shackle torque; and the success rate of detaching the drill rod after the drill rod is stuck is improved.

The utility model discloses a temperature control device for strip steel production, which comprises a bottom plate, a support plate fixedly mounted at the top of the bottom plate, an electromagnetic heating ring fixedly mounted on the support plate and used for heating strip steel, an adjusting component mounted on one side of a port of the electromagnetic heating ring, a dust removal component mounted on the adjusting component, and a temperature control component mounted on the dust removal component. According to the utility model, through the cooperative use of the adjusting part and the dust removal part, impurities such as dust on the inner ring wall of the electromagnetic heating ring can be effectively and automatically cleaned, and the stable working performance of the electromagnetic heating ring is ensured; and heating efficiency reduction, non-uniform heating and potential safety hazards caused by dust are reduced, time and labor are saved, and cleaning and high efficiency are achieved.

The application provides a busbar welding device, which comprises a welding bearing table and a welding head. The welding head is arranged above the welding bearing table, and an electromagnetic heating assembly is arranged in the welding head. The welding head is used for pressing a welding wire group at the end of a battery string to a busbar on the welding bearing table, and heating the pressed welding wire group and the busbar through the electromagnetic heating assembly. A protruding part is arranged at the bottom of the welding head, or a protruding part is arranged on the welding bearing table. When the welding head presses the welding wire group at the end of the battery string to the busbar on the welding bearing table, the protruding part is used for bending the welding wire group between the battery piece at the end of the battery string and the bearing surface downward or upward. The busbar welding device provided by the application can bend the welding wire group between the battery piece at the end of the battery string and the bearing surface upward or downward. The bent part of the welding wire group is away from the welding area, so that the potential difference in the welding wire group is reduced, the induced current in the welding wire group is small, and the risk of melting of the welding wire is reduced.

The application discloses an electromagnetic heating cooking appliance. It comprises a control device, an electromagnetic heating module, a cooking container, and a working condition display component. The electromagnetic heating module comprises at least one electromagnetic coil for generating an alternating magnetic field under the control of the control device, and the magnetic field area of the alternating magnetic field is non-uniformly distributed in the circumferential direction of the electromagnetic heating module; the cooking container comprises a ferromagnetic material, which is arranged in the magnetically inducible area of the electromagnetic heating module, and the central axis of the cooking container is substantially coincident with the central axis of the electromagnetic heating module; the working condition display component is electrically connected to the control device. The control device is configured to simultaneously perform the following operations during at least part of the cooking process: relatively rotating the cooking container and at least part of the electromagnetic heating module around the central axis to relatively rotate the alternating magnetic field and the cooking container; and making the working condition display component output at least a first visual signal representing the relative rotation.

The invention relates to the technical field of environmental protection equipment and solid waste treatment, and discloses a fly ash treatment device, system and method of an electromagnetic heating superheated steam coupling rotary kiln. Superheated steam with precise temperature control (400 + / -0.5 DEG C) is generated through multi-stage electromagnetic induction heating; and injecting into a rotary kiln through a specially designed steam distribution system to form a gas-solid two-phase spiral flow with fly ash, thereby realizing the degradation rate of 99.8% of dioxin and the stabilization of more than 95% of heavy metals. The system comprises an electromagnetic heating superheated steam generator, a rotary kiln pyrolyzing furnace, a cooperative control system and a waste heat recovery device, has the characteristics of low energy consumption (less than or equal to 180kWh / t), high efficiency, no secondary pollution and the like, and is suitable for harmless treatment of household garbage incineration fly ash.

The utility model provides a kind of electromagnetic heating vulcanization device for making solid tire belongs to tire production technology and equipment field.It includes two outer mould cover, two outer mould cover are disconnected between by intermediate heating plate, and the side of two outer mould cover away from intermediate heating plate is equipped with upper heating plate and lower heating plate, the upper heating plate, lower heating plate and intermediate heating plate inside are equipped with electromagnetic heating coil assembly, the side of the mould cavity in outer mould cover is also equipped with several electromagnetic heating coil assembly, two sets of outer mould cover share an intermediate heating plate, intermediate heating plate is equivalent to the lower heating plate of upper outer mould cover, and equivalent to the upper heating plate of lower outer mould cover, compared with traditional each outer mould cover needs upper and lower heating plate, when working, the energy consumed by the unit work of one heating plate can be saved.

The invention relates to a single crystal furnace and a control method thereof. The single crystal furnace comprises a furnace body; the crucible is arranged in the furnace body; the water cooling screen is positioned above the crucible; the guide cylinder is arranged in the furnace body and surrounds the peripheral side of the water cooling screen; and the electromagnetic heating piece is arranged on the peripheral side of the water cooling screen in a surrounding mode and located on the inner side of the flow guide cylinder, the electromagnetic heating piece is further located at the end, close to the crucible, of the water cooling screen, synchronously ascends and descends along with the water cooling screen and the flow guide cylinder, and the electromagnetic heating piece is used for heating a solid-liquid interface between the silicon liquid and the crystal bar. Therefore, the electromagnetic heating element can locally heat the silicon liquid, so that a supercooling area generated on the surface of the silicon liquid due to too high pulling speed in the growth process of the czochralski silicon single crystal is eliminated, the crystal twisting phenomenon is inhibited, the uniformity and high quality of crystal growth are ensured, the yield of the crystal can be ensured, and the uniformity of a thermal field is ensured.

The utility model discloses an electromagnetic heating humidifier which comprises a shell, an electromagnetic heating device, an electromagnetic heating device, an electromagnetic heating device, an electromagnetic heating device and an electromagnetic heating device. The middle of the shell is provided with a containing box, and the bottom of the containing box is provided with a plurality of hanging pins and connecting pins. The electromagnetic heating assembly is arranged in the shell and located below the containing box. The water tank is detachably arranged in the accommodating box; the base plate is arranged at the bottom of the shell, the weight of the humidifier acts on the base plate through butt joint and fixation of the connecting columns and the connecting feet, the base plate is provided with a weighing sensor, and the weighing sensor is electrically connected with the circuit board. According to the utility model, the weighing sensor is used for indirectly monitoring the water quantity, the signal interference of a magnetic conductive material to the sensor is avoided, the compatibility problem of the detachable water tank and electromagnetic heating is solved, the balance between the convenient cleaning of the detachable water tank and the electromagnetic heating efficiency is realized, and the installation limitation of the sensor is avoided through indirect weight detection; the rigid connection structure ensures the pressure measurement precision and effectively reduces the risk of dry burning.

The utility model relates to the field of plastic particle production, in particular to a granulator for particle manufacturing, which comprises a heating cylinder at the upper end of a support frame and a cooling component arranged at one end of an extrusion device, the heating cylinder comprises a cylinder body and a heat preservation layer, and the cooling component is arranged at one end of the extrusion device and comprises a cooling sleeve attached to the side surface of the extrusion device. The device has the advantages that the electromagnetic heating device is matched with the solenoid to heat and melt materials, the stirring motor and the stirring blades can stir the materials, it is guaranteed that the materials are fully heated, the materials are evenly mixed, and the particle forming effect is good. Good conditions are provided for subsequent extrusion granulation, and the granulation quality is improved; a cooling sleeve, a cooling pipe, a circulating pump and a cooling fan in the cooling assembly are matched with one another, the position near a discharging plate is cooled before materials are extruded, the extruded materials are cooled, the adhesion is reduced, mutual adsorption and adhesion after cutting are avoided, and the granulation effect is guaranteed.

This utility model discloses a hydraulic circuit for a roll edge heating device, including a cylinder connected to a heating head. The hydraulic circuit of the cylinder is equipped with an electromagnetic directional valve for controlling the forward and backward movement of the cylinder. A pressure reducing valve (P port) and an A port pressure reducing valve (A port) are also installed on the P port of the hydraulic circuit. A pressure sensor A is located near the A port pressure reducing valve, and a pressure sensor B is located near the cylinder itself. A proportional throttle valve is located near pressure sensor A. This structure and method change the design concept, achieving automatic calibration of the zero-position gap between the electromagnetic heating head and the roll from the hydraulic circuit. This makes operation more convenient and provides precise positioning. After calibration, there is no need to contact the roll each time, ensuring safe and reliable use.

The utility model discloses a ring forge piece quenching device which comprises a quenching shell, a rectangular notch is formed in the inner wall of one side of the quenching shell in a penetrating mode, a fixing clamping plate is installed on the inner wall of the rectangular notch in a clamped mode, electromagnetic heating rings distributed at equal intervals are installed on the fixing clamping plate, and a water drainage pipe is communicated with the inner wall of the bottom of the quenching shell. A first electric telescopic rod is fixed to the outer wall of one side of the quenching shell through bolts, a fixing block is welded to the outer wall of the top of the first electric telescopic rod, and a second electric telescopic rod is fixed to the middle of the outer wall of the side, close to the quenching shell, of the fixing block through screws. According to the ring forge piece clamping device, the distance between the arc-shaped clamping blocks at the bottom can be driven to be adjusted by controlling stretching and retracting of the servo air cylinder, so that ring forge pieces of different sizes can be clamped and fixed, the scalding risk caused by manual clamping of workers can be avoided, three ring forge pieces can be clamped at the same time, and the machining efficiency of the ring forge pieces is greatly improved.

The invention discloses an electromagnetic heat effect analysis method and device of an antenna array, electronic equipment and a computer program product. The method comprises the steps that a plurality of antenna sub-domains of an antenna array are obtained, and the interface where the antenna sub-domains make contact with one another meets the electromagnetic continuity condition and the heat conduction condition; an electromagnetic control model is adopted to conduct parallel analysis on the multiple antenna sub-domains, the sub-domain electromagnetic loss of each antenna sub-domain is obtained, and the sub-domain electromagnetic loss is used for being converted into a sub-domain thermal load; performing parallel analysis on the plurality of antenna sub-domains by adopting a temperature field control model to obtain a sub-domain temperature field of each antenna sub-domain; and integrating the electromagnetic characteristics of the plurality of sub-domains according to an electromagnetic continuous condition to obtain overall electromagnetic distribution information of the antenna array, and integrating the temperature fields of the plurality of sub-domains according to a heat conduction condition to obtain overall temperature distribution information of the antenna array. According to the invention, the technical problem of low efficiency of electromagnetic heat effect analysis of a large-scale antenna array in the prior art is solved.

The application provides a commercial electromagnetic range. The electromagnetic range adopts a fully-closed structure to ensure the heat preservation performance of the system, and utilizes the combination mode of an external barrel-shaped electromagnetic heater and an internal columnar electromagnetic heater to realize bidirectional heating of the inside and outside of food materials, thereby ensuring the sufficiency and uniformity of food heating. In the structure, a furnace body is lined on the inner wall of the barrel-shaped electromagnetic heater, the columnar electromagnetic heater extends into the furnace body, a support body is arranged at the bottom of the pot body, a cylindrical base is arranged on the support body, a through hole is arranged at the bottom end of the cylindrical base, a retaining ring is fixed at the through hole, a support column bottom end is connected with a connecting column, the connecting column is screwed with a threaded pipe, the connecting column is connected with a main shaft of a motor, two half-ring-shaped electrode sheets are arranged on the barrel-shaped electromagnetic heater, a plurality of angle plates are connected between the two electrode sheets, and a retaining ring is fixedly connected with the outer periphery of the plurality of angle plates. The application makes the firepower of the electromagnetic range more sufficient, and can be applied to commercial large-scale cooking.

The application belongs to the technical field of methanol engine and discloses a marine pure methanol engine ignition preheating device and a control method, which comprises a control unit, a mounting sleeve and a spark plug heating device, the mounting sleeve is mounted on an engine cylinder head, the mounting sleeve comprises a lower mounting sleeve and an upper extension sleeve; the control unit comprises a first temperature sensor and a methanol injector arranged in an engine cylinder body, an engine ECU, a spark plug preheating control unit, a flywheel signal fluted disc connected with an engine rotor, a flywheel position sensor arranged at the flywheel signal fluted disc and a second temperature sensor connected with the spark plug; the spark plug heating device comprises a spark plug fixedly connected with the lower mounting sleeve, an electromagnetic heating coil arranged in the lower mounting sleeve and a terminal post. The application strengthens the atomization effect of the methanol in the cylinder by the mode of heating the spark plug through the electromagnetic induction coil, and prevents the problem of the spark plug immersion and the failure to ignite.

This application discloses an electromagnetic heating method for tire vulcanization, comprising the following steps: Step one, dividing the tire mold into multiple regions corresponding to the tire crown, bead, and sidewall; applying heating power to each region using an electromagnetic heating device, the heating power matching the heat required by each region during the vulcanization process; Step two, dividing the tire vulcanization process into at least two dynamic control stages, including a rapid heating stage and a constant-temperature vulcanization stage; and calling an independent, pre-set set of control parameters for each dynamic control stage to perform real-time closed-loop feedback adjustment of the heating power. This electromagnetic heating method for tire vulcanization enables efficient, energy-saving, and intelligent precise temperature control throughout the entire tire vulcanization process, thereby achieving high-quality, low-energy, and intelligent tire manufacturing.

The utility model relates to the technical field of excrement treatment, in particular to an excrement ammonia gas treatment technology. Water is mostly contained in the black water tank, part of water resources are recycled from the black water tank, and waste of the water resources can be reduced. An ammonia oxidation starting and maintaining system based on electromagnetic induction comprises a black water tank and further comprises an oxidation furnace. The oxidizing furnace comprises a furnace body; a stirring impeller is arranged at the bottom of the furnace body and is connected with a driving motor; an electromagnetic induction coil is arranged outside the furnace body and is connected with an electromagnetic heater driving circuit; the oxidation furnace is provided with a material input port, an oxygen input port and an overflow discharge port; the black water tank pipeline is communicated with the material input port and the overflow discharge port is communicated with the black water tank. The device has the beneficial effects that the innocent treatment efficiency of the excrement is high, and heat generated by combustion of combustible gas in the excrement is used for ammonia oxidation, so that the consumption of electric energy can be reduced, and the treatment and recovery cost is saved.