54 results about "Plasma flame" patented technology

A vacuum induction melting (VIM) furnace and method of using. A VIM is configured for use with metal-containing carbon powders. In operation, the metal-containing carbon powders are formed into a pellet so as to minimize or eliminate ejection of material during introduction of the pellet into the VIM processor. The VIM processor may be substituted or used in combination with a vacuum arc melt processing apparatus, an electron beam melt furnace, an ion plating furnace, a plasma flame source, a smelter, a traditional metal-metal melt furnace, or any equivalent. Pelletizing can be accomplished through use of a press or through application of any pelletizing technique and / or use of any apparatus that is able to generate pellets that have sufficient mass to avoid ejection from a VIM processor.

The invention relates to the technical field of plasma spraying, in particular to metal powder plasma spraying equipment which is characterized in that a nozzle is mounted on a spray gun, a powder conveying pipe is mounted at the nozzle, a plurality of gas conveying pipelines are uniformly arranged on the side wall of the spray pipe around the axis of the spray pipe, and an annular pipeline is fixedly mounted on the outer side wall of the spray pipe; the annular pipeline is communicated with the gas conveying pipeline, the annular pipeline is connected with an argon supply system through a flow guide pipe, an annular groove is formed in the end face, located at the outlet, of the spray pipe, and the gas conveying pipeline is communicated with the annular groove. According to the invention, the metal powder is prevented from leaving the plasma flame due to turbulent flow of the mixed gas, so that the spraying phenomenon is avoided, and the utilization rate of the spraying material of the metal powder plasma spraying process is improved on the premise of ensuring that the production efficiency of the metal powder plasma spraying process is not changed. The invention further provides a metal powder plasma spraying process.

The invention provides an embedded multifunctional plasma flame stabilizer, and relates to the technical field of plasma ignition combustion supporting. The embedded multifunctional plasma flame stabilizer comprises an evaporative flame stabilizer and an embedded exciter, wherein the evaporative flame stabilizer is provided with a combustion area defined by apron boards; the embedded exciter is installed on the surface, facing the combustion area, of the apron board. The exciter is directly integrated on the inner side of the skirt board of the flame stabilizer, and the space utilization rate and the system integration degree are improved on the premise that the aerodynamic configuration and the installation mode are not changed. The discharge area of the exciter covers the backflow area, active free radicals can be generated and local heat can be released under complex and changeable conditions, the reaction activity of mixed gas is enhanced, the ignition delay time is shortened, the ignition boundary is expanded, meanwhile, atomization and mixing are improved, the combustion efficiency is improved, and flame quenching is restrained. The device has ignition assistance, continuous excitation and active thermochemical regulation and control capabilities, and is suitable for a compact combustion chamber environment.

The application discloses a stable discharging circuit of an electric flame cooker and the electric flame cooker, and belongs to the technical field of electric flame cookers. The stable discharging circuit of the electric flame cooker comprises a single boosting transformer and multiple groups of discharging circuits; the multiple groups of discharging circuits comprise a first discharging circuit, a second discharging circuit and an Nth discharging circuit which are connected in parallel with each other. The single discharging circuit of the application cannot pull down and clamp the voltage of other discharging circuits when first breakdown occurs, all discharging devices (positive and negative electrodes) can be reliably broken down in turn, and the phenomenon of no current and no discharging in some branches is eliminated; under the stable state, the electrode voltages of all branches are consistent, the currents are balanced, and the sizes of plasma flames are uniform.

The invention discloses a method for preparing SiC superfine and ultrapure powder by using a polycarbosilane synthesis byproduct, and relates to the field of materials. According to the preparation method, liquid polycarbosilane (LPCS) and a silicon-rich compound are jointly pyrolyzed into SiC superfine powder in a plasma flame heating mode, residual raw materials are decomposed again by utilizing waste heat of mixed gas, the by-product LPCS in polycarbosilane (PCS) production is fully utilized, and waste is turned into wealth; the particle size of the prepared SiC ultrafine powder is less than or equal to 500nm, and the particle size distribution is uniform; the Si / C ratio of the raw material is improved by adding the silicon-rich compound, and preparation of the ultra-pure SiC powder is achieved.

The utility model discloses a monitorable electric flame stove which comprises a stove shell, a stove head, a control module, a plasma driving circuit, a positioning module and a wireless communication module, the stove head is arranged at the top of the stove shell, and a plasma electrode is arranged on the stove head; the input end of the plasma driving circuit is connected with the control module, the output end of the plasma driving circuit is connected with the plasma electrode, and the plasma driving circuit is used for outputting high-voltage electricity under the control of the control module to enable the plasma electrode to generate plasma flames; the positioning module is connected with the control module and is used for acquiring position information of the electric flame stove; and the wireless communication module is connected with the control module and is used for transmitting the position information and the use data of the electric flame stove to a remote monitoring terminal. According to the electric flame stove capable of being monitored, the positioning module and the wireless communication module are arranged, so that a remote monitoring function is achieved, a user can obtain position information and use data of the electric flame stove in real time, particularly, safety guarantee is provided for remote monitoring of special groups such as old people, and potential safety hazards in use of the stove are reduced.

The invention discloses a method for preparing a double-layer Y2O3 etching-resistant coating through atmosphere and suspension plasma spraying, and particularly relates to the technical field of coating preparation. The method comprises the following steps: carrying out sand blasting, high-pressure water washing, blow-drying and drying pretreatment on an aluminum-based sample; spraying high-purity Y2O3 powder on the surface of the sample by adopting an atmospheric plasma spraying technology to form an APS bottom layer; grinding the surface of the APS bottom layer; putting the ground sample into an annealing furnace for annealing; after the sample is cooled, the Y2O3 suspension is injected into high-energy plasma flame flow through plasma spraying equipment, the Y2O3 suspension is melted and then impacts the surface of the APS bottom layer, the SPS top layer is formed after cooling, and finally the double-layer high-density Y2O3 etching-resistant coating is obtained. Through the double-layer structure design of APS bottoming and SPS top layer, grinding and annealing processes are combined to eliminate interlayer stress, corrosion resistance and dimensional stability are both considered, the preparation cost is lower than that of a full SPS coating, and the method is suitable for surface protection of cavity parts of semiconductor etching equipment.

The utility model relates to the technical field of plasma generator reaction, in particular to a multi-channel powder feeding device which structurally and mainly comprises an air source, a powder feeding mechanism and a plurality of powder feeding units. The powder feeding mechanism comprises a plurality of powder inlet pipes connected with the powder feeding units, a water inlet pipe, a water outlet pipe, a water cooling outer pipe, a water cooling inner pipe, a graphite mixing spray head, a plasma generator and a plasma flame. By means of the structure, a plurality of powder feeding pipes can be gathered together, various kinds of powder are mixed and then sprayed into plasma flames for high-temperature reaction, in this way, it can be avoided that one feeding system is used for each kind of powder, the whole structure is simpler, and cost is lower.

The utility model relates to the technical field of plasma flame detection, in particular to a plasma image flame detection probe, which comprises a protective tube and a protective seat fixedly mounted at the right end of the protective tube, a probe is arranged in the protective tube, an adjusting mechanism for adjusting the position of the probe is arranged in the protective tube, and a protective mechanism for protecting the probe is arranged in the protective seat. The adjusting mechanism comprises a mounting rod fixedly mounted in the protection tube, a first sliding rod is arranged in the mounting rod, a second sliding rod is arranged in the first sliding rod, one end, far away from the mounting rod, of the second sliding rod is fixedly connected with the probe, and the protection mechanism comprises a plurality of groups of protection plates rotationally mounted on the protection seat. According to the flame detection probe, the extension length of the probe is adjusted through the arranged adjusting mechanism, so that the flame detection probe can be adjusted to be proper in length according to actual use occasions, the use requirement is met, and the situation that the flame detection probe at a fixed distance influences judgment of a worker on the combustion stability of a boiler is avoided.

The application provides a kind of plasma flame type wall-hanging stove, belongs to heating equipment technical field, the wall-hanging stove includes water outlet pipe, flue, combustion stove main body and pump water component, combustion stove main body includes stove shell, heat exchange pipe, heat conduction fin, wiping assembly and plasma torch generator;Plasma torch generator is located at the bottom of stove shell, for generating high-temperature plasma flame;Heat exchange pipe is S-shaped coiled in the position close to the top of stove shell, and its two ends are connected with water outlet pipe and pump water component respectively, and heat conduction fin is arranged at the interval in the gap of heat exchange pipe;Wiping assembly is arranged at the lower side of heat conduction fin, and is in contact with the lower surface of heat exchange pipe.The application effectively removes attached soot by wiping assembly sliding wiping the lower surface of heat exchange pipe when the wall-hanging stove is stopped, avoids dust layer to reduce heat exchange efficiency, and at the same time, S-shaped heat exchange pipe and heat conduction fin synergistically act to significantly increase heat exchange area, improve heat energy utilization rate.

The invention relates to the technical field of plasma flame cutting, and discloses a plasma flame cutting machine and process based on mechanical parking equipment manufacturing, and the plasma flame cutting machine based on mechanical parking equipment manufacturing comprises a cutting machine main body and a plasma spray head arranged at the top of the cutting machine main body; the adjusting mechanism is arranged at the bottom of the plasma nozzle; the adjusting mechanism comprises a sleeve arranged at the bottom of the plasma nozzle, a plurality of limiting blocks arranged on the inner wall of the bottom of the sleeve in an annular array mode, a plurality of driving plates arranged on the sleeve in an annular array mode and located at the intervals of the different limiting blocks, driven plates arranged at the tops of the limiting blocks, and driving grooves symmetrically formed in the outer walls of the tops of the driven plates. The driving blocks are symmetrically arranged at the top of the driving plate; and the rotating block is arranged at the bottom of the sleeve. And by arranging the rinsing mechanism, the spray head can meet the cutting requirements of different materials, adjustability of the water curtain coverage range is achieved, and the equipment can meet the different cutting requirements.

The present disclosure relates to the field of plasma ignition, and disclosed are a plasma ignition system, method and apparatus, an electronic device, and a storage medium. The main technical solution comprises: an ignition module, an electrical module, a gas supply module, a driving module, a cooling module, and a control module; the ignition module is placed on the wall of a boiler; the electrical module, the gas supply module, the driving module, the cooling module and the control module are separately connected to the ignition module; pulverized coal is placed in the boiler; the driving module, the gas supply module, the cooling module and the control module are separately connected to the electrical module; and the gas supply module and the cooling module are separately connected to the control module. Compared with the related art, in embodiments of the present disclosure, the plasma ignition system is used to generate plasma flame to ignite the pulverized coal in the boiler without using fuel oil, thereby reducing ignition costs.

The invention relates to a plasma scouring particle preparation and optimization method based on solid rocket engine working condition calibration, and belongs to the field of plasma ablation. The method comprises the following steps: sampling from a specified part of a target solid rocket engine, observing and recording the section diameter of the tail end of a fiber after the material is ablated, and recording as D1; the preparation method comprises the following steps: by taking aluminum oxide powder as a main raw material, doping carbon powder with a certain mass ratio w, mixing, and then carrying out ball milling for a ball milling time t, so as to obtain primarily prepared washing particles; spraying out the prepared scouring particles and plasma flames together, and carrying out an ablation scouring test on a sample; the included angle alpha 2 between the sample and the plasma flame is consistent with the included angle alpha 1 between the fuel gas and the calibration part in the actual working condition of the engine; observing the diameter of the cross section of the tail end of the fiber on the surface of the ablated sample, recording as D2, and calculating the ratio c of D2 to D1, wherein c = D2 / D1; and performing iterative optimization. According to the invention, the precision degree of simulating the working condition of the solid rocket engine in the plasma ablation scouring process is improved.

The present application relates to the field of electrochemistry, especially a toxic gas treatment method using plasma flame, comprising the following steps: S1: a plasma torch generates a plasma flame; S2: toxic gas is collected by an air inlet cavity and transmitted to a reaction cavity; S3: the reaction cavity decomposes and reacts the toxic gas by the plasma flame generated by the plasma torch; S4: the transition of the product is carried out through an intermediate flange; S5: soluble products and dust are absorbed and treated through a water tank and a spray tower, and finally the product is released from an exhaust port. The present application uses a gas transmission path containing a plasma flame to treat harmful gas, judges the remaining gas in the plasma torch through a remaining capacity model, and safely locks the torch according to the remaining capacity threshold, ensuring the safe operation of the equipment; and the treatment process is automatically operated throughout, simple to operate, the equipment is corrosion-resistant, has a long service life, and has excellent harmful gas treatment efficiency.

The invention discloses a plasma cutting forming device for preparing a motorcycle frame, and relates to the technical field of plasma cutting, the plasma cutting forming device comprises a gun head and a handle, an air supply structure is jointly installed between the gun head and the handle, a nozzle is installed on the gun head in a threaded mode and communicated with the gun head, and the air supply structure injects air into the nozzle to form plasma flames. The device has the advantages that automatic dynamic synchronization of the cutting speed and the air inflow is achieved through the speed synchronizing mechanism, different cutting working conditions are accurately adapted, the problems of notch burning loss, slag adhering or incomplete cutting caused by mismatching of the cutting speed and the air inflow are solved, and the machining precision of the frame component is remarkably improved. In the aspect of height adaptation, manual rough adjustment and automatic self-adaptive fine adjustment are combined, the machining requirements of frame components with different thicknesses can be met, the surface flatness difference of workpieces can be coped with, operation is easy and convenient, and the manual adjustment difficulty is reduced.

The application belongs to the technical field of mass spectrometry instruments, and particularly relates to a mass spectrometry ion source device and a mass spectrometer comprising the same. The mass spectrometry ion source device comprises: a sample inlet device, a plasma ion source and a gas curtain, the sample inlet device is communicated with a structure for generating plasma in the interior of the plasma ion source through a first sample inlet channel, the sample inlet device is connected with the gas curtain through a second sample inlet channel, a high-temperature plasma flame outlet is arranged at the tail of the plasma ion source, and the direction in which the high-temperature plasma flame outlet sprays high-temperature plasma flame and the direction in which the gas curtain sprays gas are arranged to intersect each other. The application further provides a mass spectrometer with the above mass spectrometry ion source device. The mass spectrometry ion source device can simultaneously perform elementization high-energy ionization and organic matter ionization on a sample, so as to achieve the purpose of simultaneously detecting inorganic elements and organic elements in the sample by using mass spectrometry, and has a good application prospect.

This invention discloses a main reactor structure with branch pipes for high-temperature graphite purification, relating to the fields of high-temperature metallurgy and graphite purification technology. Specifically, it is a main reactor structure with branch pipes for high-temperature graphite purification, comprising a high-temperature plasma source, a double-layer water-cooled jacketed chamber, connecting pipes with branch pipes, and a multi-layer mesh perforated structure at the branch pipe bends. The high-temperature plasma source provides the heat source. The upper and lower ends of the double-layer water-cooled jacketed chamber are respectively connected to the heat source and the discharge, and its chamber wall is provided with spiral cooling water channels. The connecting pipes with branch pipes are located in the middle, extending into the chamber to form bends, and multi-layer mesh perforated structures are set at the bends, with their openings parallel to the direction of the plasma flame. This structure, by optimizing the branch pipe layout and mesh structure, effectively improves the mixing efficiency of high-temperature gas and graphite raw materials, enhances the impurity removal effect, and utilizes a water-cooling system to control the reaction temperature, thereby improving the graphite purification quality and equipment operational stability.

The utility model discloses an electric flame furnace head and electric flame range with it can restrain ozone, wherein, this electric flame furnace head includes panel and plasma electrode subassembly, is equipped with electrode sheath on the panel, the upper end of electrode sheath has the flame mouth, plasma electrode subassembly is located in electrode sheath, plasma electrode subassembly includes anode piece and cathode piece, the surface of anode piece and / or cathode piece forms nanometer -sized coating, wherein, nanometer -sized coating at least includes titanium dioxide layer, to the anode piece and / or cathode piece is isolated protection to the degradation ozone and nitrogen oxides in plasma flame, the electric flame furnace head and electric flame range with it can restrain ozone of the utility model, in keeping the efficient heating performance of arc plasma flame, effectively reduced the generation and emission of harmful gas, improved the security of use.

The invention provides a normal-pressure microwave plasma processing system and a control method, and the system comprises a microwave generation unit which is configured to generate microwave energy; the plasma spray head is electrically connected with the microwave generation unit through a transmission line and is used for coupling microwave energy with working gas and generating a low-temperature plasma flame body under normal pressure; the gas path supply unit is used for providing clean working gas for the plasma nozzle; the control unit is electrically connected with the microwave generation unit and the gas path supply unit; the man-machine interaction unit is electrically connected with the control unit and is used for setting system parameters and displaying a system state; the input / output interface is configured to receive a signal from the outside and output a system state signal and an analog quantity signal corresponding to the microwave output power to the outside; the power supply unit is used for supplying power to all components of the system. The problem that the prior art depends on a vacuum environment or low pressure and high pressure is solved, equipment complexity and cost are reduced, and a vacuum system and high-purity gas are not needed.

The invention discloses a plasma generator and a singeing machine, and belongs to the technical field of plasma. The plasma generator comprises a left electrode, a right electrode, a ceramic chip, a bottom plate, a base plate and a ceramic tube. The core improvement is that the left electrode and the right electrode adopt a symmetrical special outline design (a narrowing section, a transition expansion section and a slowly-narrowing section are integrally formed), so that an electric field is highly concentrated, arc striking is easy, and the plasma generation efficiency is improved; meanwhile, a gas buffer cavity is formed between the bottom plate and the base plate, so that a gas source is uniformly diffused before entering a discharge area, and the plasma flame is ensured to be stable and uniform. The singeing machine integrates a plurality of plasma generators and is matched with a gas adjusting system consisting of an air compressor, a gas tank, a mixer and the like and a speed-adjustable cloth guide roller, so that efficient, uniform and low-temperature singeing of the fabric is realized.

The invention provides strontium-doped lanthanum ferrite / zirconium oxide spraying powder and a preparation method thereof, and belongs to the technical field of radar wave-absorbing material spraying powder. After the raw material powder is subjected to wet ball milling, spray granulation is directly performed to obtain the agglomerated powder, so that the raw material powder is prevented from agglomerating in the solid-phase sintering process and the particle size is increased; the preparation method comprises the following steps: agglomerating lanthanum ferrite / zirconium oxide powder, then melting the agglomerated powder into spherical liquid drops in plasma flame flow by adopting induction plasma, further fully diffusing the components in the melting process to form strontium-doped lanthanum ferrite / zirconium oxide, and cooling to obtain the high-sphericity strontium-doped lanthanum ferrite / zirconium oxide spraying powder. The raw material powder is directly subjected to spray granulation after being subjected to ball milling, solid-phase synthesis and high spheroidization of the raw material powder are achieved at the same time through induction plasma, the process is simplified, and the synthesis efficiency is improved.

The invention belongs to the technical field of quartz glass, and particularly relates to a preparation method for improving the defect of interstitial chlorine molecules of high-purity quartz glass. A plasma chemical vapor deposition method is adopted for preparation, and the preparation method comprises the following steps that working gas is ionized through the inductive coupling effect of a high-frequency electromagnetic field to generate plasma flames; the method comprises the following steps: introducing a SiCl4 raw material into plasma flame for reaction, and depositing generated SiO2 particles to form quartz glass; and the working gas comprises air and inert gas. According to the method, the oxygen partial pressure in the reaction process is reduced, and the defect number of interstitial chlorine molecules Cl2 can be reduced. Therefore, according to the preparation method provided by the invention, the ultraviolet radiation resistance of the high-purity quartz glass is improved by regulating and controlling the atmosphere of PCVD preparation and inhibiting the defect of interstitial chlorine molecules, and the performance requirements of technologies such as precision optics and high-end semiconductors are met.

The application discloses a kind of plasma tail gas high-temperature processing devices of fire and gas distribution, including combustion cavity, plasma torch and gas distribution fire distributor, relative combustion cavity external plasma torch is opposite built-in gas distribution fire distributor;Gas distribution fire distributor includes fire cone and gas distribution ring, the center of fire cone is provided with fire passage, its conical surface is fire surface, and plasma flame sprayed to the top end of fire cone is formed by fire passage and fire surface center plasma flame column and peripheral plasma flame ring by fire;Gas distribution ring is provided with inner layer gas distribution hole and outer layer gas distribution hole in its gas distribution ring cavity, and inner layer helical gas distribution ring cavity is arranged corresponding to inner layer gas distribution hole, and outer layer helical gas distribution ring cavity is arranged corresponding to outer layer gas distribution hole, and tail gas is helically downwardly guided to form inner layer helical tail gas rotation flow in inner layer helical gas distribution ring cavity, and tail gas is helically downwardly guided to form outer layer helical tail gas rotation flow in outer layer helical gas distribution ring cavity.The application realizes the efficient processing of tail gas by the synergistic effect of layered plasma flame and rotational flow tail gas.

The invention provides an externally-attached multifunctional plasma flame stabilizer, and relates to the technical field of plasma ignition combustion supporting. Comprising an evaporative flame stabilizer and an externally-attached exciter. The evaporative flame stabilizer is provided with a combustion area defined by apron boards, and the apron boards are provided with notches penetrating through the inside and the outside. And the externally attached exciter is embedded into the notch. According to the design, on the premise that the aerodynamic shape and the internal flow field of the flame stabilizer are not changed, high integration of the ignition function and the flame stabilizing function is achieved, occupation of the combustion area space and interference of main airflow are avoided, and the device compactness and the engineering applicability are improved. A gliding arc discharge plasma exciter is adopted, non-equilibrium plasmas can be generated under the atmospheric pressure and act on a backflow area, ignition reliability is enhanced, fuel atomization and evaporation are promoted, the ignition boundary is expanded, flame quenching is restrained, the device is suitable for poor working conditions such as low equivalence ratio, low temperature, low pressure or high flow speed, and jump from passive flame stabilization to active intensified combustion is achieved.

The invention discloses a method and device for preparing an optical fiber preform through deposition in a normal-pressure plasma flame tube, and the method comprises the following steps: arranging a quartz liner tube in a resonant cavity in a penetrating manner, transmitting normal-pressure microwaves to the quartz liner tube through a waveguide system and the resonant cavity in sequence, and introducing reaction gas into the quartz liner tube in a strong electromagnetic field environment, the reaction gas is excited by normal-pressure microwaves, a first plasma flame is generated in the quartz liner tube, the quartz liner tube is controlled to rotate at a first speed, the resonant cavity is controlled to move at a second speed, the reaction gas is pyrolyzed in the quartz liner tube, a loose body is deposited on the inner surface of the quartz liner tube, and the quartz liner tube with the loose body deposited is obtained, and forming a hollow preform by the quartz liner tube on which the loose body is deposited, sintering the hollow preform to obtain a vitrified hollow preform, and melting and shrinking the vitrified hollow preform to obtain the optical fiber preform. The prepared loose body is more uniform in dispersity, high in deposition efficiency and more beneficial to manufacturing of large-size preforms.

The invention discloses a preparation method of a high-purity single-walled carbon nanotube, which comprises the following operation steps: S1, continuously introducing inert gas into a closed gasification chamber, firstly starting a plasma gun to generate high-temperature flame, and then introducing a catalyst into the plasma high-temperature flame for gasification; s2, the gasified mixed product is screened through a screening unit, catalyst particles with the particle size not meeting the requirement are screened out for use, and the catalyst particles with the particle size meeting the requirement and the catalyst in the molten state are rapidly fed into a closed floating growth chamber and mixed with a carbon source introduced into the growth chamber for reaction; and S3, controlling the temperature in the growth chamber to be in a proper constant-temperature state, and reacting for a period of time to prepare the high-purity single-walled carbon nanotube. According to the preparation method of the high-purity single-walled carbon nanotube provided by the invention, the content of the single-walled carbon nanotube in the product can be ensured to be relatively high, the preparation efficiency is relatively high, and the cost of rear-end purification treatment is reduced.

The utility model discloses an electric flame stove with an empty burning alarm function, which comprises an electric flame stove shell, a flame tube, a control circuit board, a magnetic block and an alarm circuit, one end of the flame tube is arranged in the electric flame stove shell, and the other end of the flame tube extends outwards; the control circuit board is arranged in the electric flame stove shell and comprises a controller and a flame driving circuit, and the controller is used for controlling the flame driving circuit to generate plasma flames and outputting the plasma flames from the flame tube; the control circuit board further comprises an infrared temperature measurement circuit, the infrared temperature measurement circuit is arranged on the electric flame stove shell, the infrared temperature measurement circuit is electrically connected with the controller, and the controller is further used for obtaining temperature information of the heating kettle through the infrared temperature measurement circuit; the alarm circuit is connected with the controller, and when the controller detects that the temperature is higher than a set temperature value, the alarm circuit gives an alarm prompt to remind a user to handle in time, so that accidents such as fire disasters or burnout of the metal pot are avoided.

The application discloses a stable discharging circuit of an electric flame cooker and the electric flame cooker, and belongs to the technical field of electric flame cookers. The stable discharging circuit of the electric flame cooker comprises a single boosting transformer and multiple groups of discharging circuits; the multiple groups of discharging circuits comprise a first discharging circuit, a second discharging circuit and an Nth discharging circuit which are connected in parallel with each other. The single discharging circuit of the application cannot pull down and clamp the voltage of other discharging circuits when first breakdown occurs, all discharging devices (positive and negative electrodes) can be reliably broken down in turn, and the phenomenon of no current and no discharging in some branches is eliminated; under the stable state, the electrode voltages of all branches are consistent, the currents are balanced, and the sizes of plasma flames are uniform.

The application discloses a single anode electric flame burner, comprising a ceramic shell, a single anode needle, a cathode pot ring, a spiral heating pipe, a heating coil and a blower. The single electrode structure of the application completely solves the problems of voltage drop and asynchronous discharge of multiple electrodes in parallel. The single anode needle of the application discharges with the annular cathode pot ring, improving the stability of the electric flame burner. The spiral heating pipe prolongs the heat exchange stroke, and the heat insulation cotton reduces heat loss, so that the air preheating efficiency is improved. The long discharge gap makes the ionization coverage wide, increasing the ionization efficiency, and thus the thermal efficiency of the electric flame burner is improved. The high-energy plasma flame generated by the long discharge gap can meet the high-power heating demand, and is suitable for high-temperature heating of commercial kitchens and industries.

The invention discloses an electric flame furnace end with a single anode. The electric flame furnace end comprises a ceramic shell, a single anode needle, a cathode pot ring, a spiral heating pipe, a heating coil and an air blower. According to the single-electrode structure, the problems of low voltage and asynchronous discharge of multi-electrode parallel connection are thoroughly solved; according to the invention, only the single anode needle is arranged and discharges with the annular cathode pot ring, so that the stability of the electric flame stove is improved; the spiral heating pipe prolongs the heat exchange stroke, the heat insulation cotton reduces heat loss, the air preheating efficiency is improved, the ionization coverage range is wide due to the long discharge gap, the ionization efficiency is improved, and then the thermal efficiency of the electric flame stove is improved; the high-energy plasma flame generated by the relatively long discharge distance can meet the high-power heating requirement, and is suitable for quick frying of commercial kitchens and industrial high-temperature heating.