474 results about "Plasma jet" patented technology

The invention is applicable to the technical field of microwave plasmas, and provides a normal-pressure microwave plasma jet device which comprises an outer conductor, an inner conductor coaxially arranged in the outer conductor, a nozzle in threaded connection with the bottom end of the outer conductor, a pin at the end of a radio frequency connector connected with the inner conductor through a connecting conductor, and a gas pipe joint in threaded connection with the outer conductor. The short-circuit plug screw is in threaded connection with the top end of the outer conductor, a short-circuit reflecting surface is arranged at the bottom of a connecting piece installed in the short-circuit plug screw, and the air guide ring is nested on the inner conductor and located between the radio-frequency connector and the air pipe joint; the scheme is simple, reliable and low in cost, stable normal-pressure microwave plasma jet can be obtained without configuring a complex control module to adjust the impedance matching degree of the system, the gas flowing state can be more stable, plasma at an outlet is prevented from being affected, the short-circuit reflecting surface is further designed to be in a threaded up-and-down adjusting mode, and the service life of the system is prolonged. And the impedance matching effect is achieved by finely adjusting the short-circuit reflecting surface.

The invention discloses a system and a method for rapidly and efficiently decomposing ammonia to produce hydrogen through cooperation of plasma catalysis. Ammonia gas enters the normal-pressure arc temperature plasma reactor to form rotating gas flow, is ionized into high-activity plasma under the driving of high-voltage electricity, and is pushed by the rotating gas flow and a gradually-shrinking opening of the reactor to form large-area three-dimensional plasma jet flow, and jet flow gas upwards flows into a coaxial upper-layer catalytic area and downwards flows into a coaxial outer-layer catalytic area due to the limitation of a wall surface; and the reacted gas flows out from a gas guide hole at the lower part. Ammonia gas is firstly activated and pre-decomposed in the arc temperature plasma area and then secondarily decomposed in the coaxial catalytic area, heat of the temperature plasma area directly acts on the catalytic area, and external heating is not needed. The whole structure is that the temperature plasma area and the catalytic area are coaxially integrated, so that the waste heat utilization rate and the reaction energy efficiency are improved. The system is simple and compact in structure, can flexibly supply hydrogen in a distributed manner, is high in energy density, and can be directly driven by wind, light and green electricity.

The invention discloses a furnace end uniform in heating. The furnace end comprises a top plate, a bottom plate and a plurality of plasma combustors. A furnace chamber is defined by the top plate and the bottom plate. Due to the fact that the air inlet holes are formed in the radial direction, the position and size precision of the air inlet holes can be guaranteed by adopting a machine to pre-embed the needles and pull the needles, manual intervention is not needed, the labor cost is reduced, gas can directly impact the anode needles and take away part of heat generated by the anode needles, and a certain cooling effect on the anode needles is achieved; the electric arc generated between the anode needle and the cathode pintle is maintained in the axis space, so that direct interference or influence of airflow on the electric arc in the area is avoided; by arranging the cathode pintle, the plasma jet impacts the head of the cathode pintle and then is sprayed out in the radial direction, the energy of the plasma jet is dispersed in a larger range, the concentration ratio and the energy density of the jet are reduced, the phenomenon of local overheating is avoided, and uniform heating of cookware is achieved.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention belongs to the technical field of metal mines, and particularly relates to a rail cleaning device and a rail cleaning method.The rail cleaning device is characterized by comprising an electric driving device, a scraper device, a cleaning device, a dust suction device and a deep cleaning device, and the scraper device comprises a sliding groove, a sliding way, a rectangular spring arranged outside the sliding way and a triangular sliding block; a scraper assembly is arranged at the end of each sliding groove, a baffle and an arc-shaped stop block are arranged on the lower portion of each sliding groove, the sweeping device comprises a first cylindrical rolling brush and a second cylindrical rolling brush, the dust suction device comprises a dust suction opening, a filter screen and a fan, and the deep cleaning device comprises a laser plasma ejector. The scraping and shoveling device, the sweeping device, the dust suction device and the deep cleaning device are integrated, low-speed deep cleaning is carried out on the rail, slag sludge, rust and ice layers on the top of the rail are cleaned up, the number of times of emergency stop caused by slipping can be reduced, meanwhile, the number of times of turnover accidents caused by brake failure is reduced, and the service life of the rail is prolonged. The running condition of the mine car is effectively improved.

The invention discloses a curved surface microstructure laser-plasma combined machining device and method, and belongs to the technical field of non-traditional machining. The curved surface microstructure laser-plasma combined machining device comprises a plasma power supply, a gas supply system, a plasma generator, a nozzle assembly, a laser unit, a multi-axis moving unit, a vacuum clamp, a servo control system, a control panel and a machine tool body; and laser-plasma combined machining of the curved surface microstructure can be realized by combining linkage and interpolation movement of each shaft. Femtosecond laser is introduced into a plasma generation area, controllable output of a discharge plasma source is excited by the laser, micro plasma jet in a specific wavelength range is selected for micro-area localization machining, and the problem of machining defects caused by fluctuation and uneven distribution of jet particle energy in atmospheric plasma machining is solved. And meanwhile, laser is used for preheating in the machining area, energy needed by atom stripping of the to-be-machined material is reduced, the material atom stripping time is shortened, and the micro-plasma jet machining efficiency is greatly improved.

The utility model relates to the technical field of plasma paint spraying equipment, in particular to plasma paint spraying processing electromechanical equipment which comprises an equipment body, a spray gun adjusting mechanism and a spray gun body, the spray gun adjusting mechanism is arranged on the left side of the equipment body, the spray gun body is arranged on the left side of the spray gun adjusting mechanism, and a spray gun nozzle is fixedly connected to the left end of the spray gun body. According to the powder spraying device, through the arrangement of the powder conveying pipe, the powder outlet pipe, the confluence cover, the circulation sleeve and the small air pump, powder to be sprayed can be sprayed out in a dispersed mode through the powder conveying pipe and the powder outlet pipe, waste or pollution caused by the fact that the powder to be sprayed drifts away is prevented through the confluence cover, and the powder to be sprayed can be sprayed out in a dispersed mode. The airflow generated by the small air pump forms rotational flow through the circulation sleeve, the powder in the confluence cover is blown up, the powder is taken away by the plasma jet, and the device can limit the drifting range of the powder to be sprayed, so that the utilization rate of the powder to be sprayed is greatly improved, and the spraying efficiency is effectively improved.

The invention belongs to the technical field of microwave plasmas, and particularly relates to a magnetized atmospheric pressure pulse microwave plasma jet discharger. The discharger is reasonable in design, microwave energy is fed into the discharge chamber through the SMA interface, high electric field intensity is formed at the tip of the hollow needle electrode, and fed working gas is disrupted and discharged; a magnet exciting coil outside the quartz tube generates an axial magnetic field inside the quartz tube through direct current, electrons do spiral cycloid motion in an electromagnetic field, and electron cyclotron resonance can be achieved under the field. Through magnetic field constraint, high-energy electrons are constrained in a core area, a motion path is prolonged, effective collision times are increased, gas dissociation efficiency and ionization degree are improved, and collision loss of the electrons and a wall surface is reduced; the plasma jet performance is improved; the device works in an atmospheric pressure environment, does not need a vacuum system, reduces equipment cost and maintenance difficulty, reduces electrode sputtering and cavity corrosion, and prolongs the service life of core components.

The invention discloses a pulse modulation plasma jet generation method and application thereof, and particularly relates to the field of microelectronics, and the method comprises the following steps: I, constructing a multidisciplinary association database, modulating a high-voltage pulse power supply, and optimizing pulse waveform parameters at the same time; iI, pulse voltage is applied through a high-voltage electrode to generate plasma jet, a coupling simulation model is established, and the evolution process of the plasma jet is simulated; according to the method, the requirement of manual operation can be reduced, subjective deviation and information loss are avoided, the robustness of resisting environmental interference is improved, and the method can adapt to the high-speed and high-precision process requirement; the testing of invalid parameter combinations can be avoided, the searching capability is improved, the experiment or simulation frequency is reduced, the anti-interference capability of the jet system on working condition fluctuation is improved, and the maintenance frequency is reduced.

The invention discloses a CFD-DEM-based dense charging bed particle distribution calculation method under the action of plasma jet, and the method comprises the steps: employing a zero-dimensional mathematical physical model which comprises pulse circuit discharge, capillary ablation and plasma jet and generates plasma through capillary ablation; obtaining a curve fitting formula of the plasma jet temperature and pressure changing along with time; acquiring initial information of the dense charging bed; establishing a dense charging bed geometric model, setting geometric dimension parameters of the dense charging bed model, performing grid division, and establishing a dense charging bed plasma jet point fire transfer model in a CFD solver; establishing a particle model in a DEM solver; and coupling Fluent and Edem calculation software, carrying out transient calculation solution, and synchronously carrying out numerical calculation on the CFD solver to obtain simulation result data. According to the method, the instantaneous speed distribution of the particles moving in the medicine chamber and the final accumulation condition of the particles in the medicine chamber can be obtained.

The invention belongs to the field of surface icing resistance of metal materials, and particularly relates to a machining method of a surface icing-resistant microstructure. The anti-icing structure is prepared on the 30CrMnSiNi2A surface by using micro-milling and surface modification technologies, the operation is simple, the cost is low, the processing efficiency is higher, and the preparation of a large-area anti-icing surface of a material is expected to be realized. And meanwhile, the method is also suitable for preparing anti-icing structure surfaces of other materials. Atmospheric pressure cold plasma jet is adopted, localized modification is conducted on the material surface through the Rehbinder effect, and the machining quality and machining efficiency of the anti-icing structure are improved. And the modified surface is cut in time, so that the material characteristics of the anti-icing surface are not influenced, and the influence on the service performance of the material is avoided. The device is simple and easy to operate, small in space size and high in adaptability, when the device is used, only the plasma spray head needs to be aligned with a machining area, additional modification does not need to be conducted on a machine tool, and the production cost is reduced.

The invention discloses a plasma jet form control method, device, equipment and medium, according to the scheme, a deep learning model is utilized to establish a mapping relation between an electromagnetic parameter and a jet form, key characteristics such as a jet diffusion angle, length and temperature distribution can be predicted with high precision, and the regulation and control accuracy is remarkably improved; besides, through a closed-loop control process, sensor data acquisition, error analysis and dynamic regulation and control are combined, environment change and target form deviation are responded in real time, and the quick response capability of the regulation and control system is ensured.

The invention discloses a preparation method and application of crab shell chitin without chemical decolorization, and the preparation method comprises the following steps: crushing the crab shell of Eriocheir sinensis to obtain crab shell powder; dissolving crab shell powder in distilled water according to a ratio of 1: 10-1: 30 (w / v) to obtain a crab shell powder solution; treating the crab shell powder solution by using plasma jet (PJ), washing to be neutral, and drying to obtain plasma pretreated crab shell powder; dissolving the crab shell powder pretreated by the plasma into 0.1-3M hydrochloric acid (HCl) solution according to the ratio of (1: 10)-(1: 30) (w / v), and carrying out demineralization treatment; washing the demineralized solid matter to be neutral, performing deproteinization treatment by using 0.1-3M sodium hydroxide (NaOH) solution, washing to be neutral, and drying to obtain white solid crab shell chitin. In the extraction process of the crab shell chitin, a strong oxidant (such as H2O2) is not required to be used for decoloring, the color is close to that of commercial chitin, and the process is simple, green and environment-friendly; meanwhile, the production cost is reduced.

The utility model discloses a pre-treatment promoting device for fruits with waxy epidermis, which adopts a cold plasma jet device to release jet cold plasma to an objective table, so as to change charge distribution on the waxy epidermis surface by using a variable electric field and generated free radicals and free electrons in the discharge process of the jet cold plasma. Meanwhile, due to the etching effect of jet flow cold plasma treatment, wax on the epidermis of the fruits with wax on the epidermis is broken, a new moisture diffusion channel is formed, and therefore the diffusion rate and quality of the moisture of the fruits in the drying process are improved. The device is suitable for pre-treatment of fruits with waxy epidermis, has the advantages of rapid and efficient dehydration and drying and continuous drying promotion treatment of the fruits, is simple and convenient to operate, mild in condition, green and safe, remarkable in drying promotion effect, high in treatment speed and more environment-friendly, gets rid of dependence of dipping and drying promotion by using a chemical drying promoter at present, and has a wide application prospect. The drying quality and the eating safety of the fruits with waxy epidermis are improved.

The invention relates to the technical field of cutting equipment, and provides heat exchanger tube nest numerical control cutting equipment and a high-precision cutting method.The heat exchanger tube nest numerical control cutting equipment comprises a base, a first supporting plate, a second supporting plate and a third supporting plate are arranged on the base in the length direction of the base, and the first supporting plate is slidably connected to the base; the second supporting plate and the third supporting plate are both fixed to the base. According to the vertical cutting device, a second rotating disc is accurately controlled to rotate through a third driving mechanism, the second rotating disc rotates to drive a stop lever to move in a limiting groove, a support is pushed to rotate with a third hinged shaft as the center, and the spraying direction of a plasma spraying gun is tangent to the tube wall of the tube nest; when plasma is cut, a reflecting surface is formed on the inner wall of the other side, so that plasma hedging is caused, the plasma beam is jetted in the tangential direction through tangent angle cutting, the hedging phenomenon is avoided, the cutting gap is controlled, and the cutting precision is improved compared with a traditional mode.

The invention discloses a high-efficiency furnace end and an electric flame stove. The high-efficiency furnace end comprises an upper shell, a lower shell and a plurality of anode needles arranged between the upper shell and the lower shell, the upper shell is provided with a plurality of cathode tubes corresponding to the anode needles, and upper ceramic tubes are arranged below the bottoms of the cathode tubes; the lower shell is provided with a plurality of arc striking pieces corresponding to the anode pins, lower ceramic tubes are arranged on the outer sides of the arc striking pieces, and the tops of the lower ceramic tubes abut against the bottoms of the upper ceramic tubes. Two discharge areas are arranged, the avalanche effect of secondary ionization is formed, extremely high temperature plasma jet is finally formed, and efficient heat transfer is achieved; the cathode tube, the upper ceramic tube, the anode needle and the lower ceramic tube of each group are connected in an abutting manner, and finally, the plasma accessory is stabilized by utilizing the tightening force between the upper shell and the lower shell, so that the mounting and dismounting efficiency is improved, the complexity of mounting and reworking or overhauling is reduced, and the cost is effectively controlled.

The invention discloses a plasma jet device based on ionic wind driving, which comprises a hollow cylinder, a high-voltage metal needle electrode plate is mounted in the cylinder, a plurality of high-voltage metal needle electrodes are fixed on the high-voltage metal needle electrode plate in an annular array manner and are connected with a high-voltage excitation power supply circuit, and the inner wall of the cylinder is covered with a metal wall ground electrode. The insulating medium rings cling to the metal wall ground electrode and are arranged at intervals from the high-voltage metal needle electrode plate; the needle body of the high-voltage metal needle electrode, the insulating medium ring and the metal wall ground electrode form a plasma jet structure, the needle head of the high-voltage metal needle electrode and the metal wall ground electrode form an ionic wind generation structure, ionic wind generation areas and plasma generation areas are arranged in a staggered manner, and generation of plasma jet is driven by multistage ionic wind. The ion wind structure and the plasma jet structure are coupled, large gas carrier equipment is not needed, the application scene of the device is expanded, and meanwhile the plasma jet performance is improved.

The invention relates to the technical field of zinc-based material powder additive manufacturing, in particular to a zinc-based material powder additive manufacturing system and a manufacturing method thereof.The zinc-based material powder additive manufacturing method comprises the following steps that zinc-based alloy powder is obtained and subjected to surface activating treatment through plasma jet; determining cold spraying process parameters based on the oxygen content of the activated powder; cold spraying-laser composite deposition is executed, and compact green bodies are formed on the substrate layer by layer; and the metallurgical bonding state between deposits is determined, and selective laser remelting is triggered to eliminate interface defects. According to the method, a composite oxide layer is generated on the surface of the powder through Ar-mixed gas and plasma jet treatment with the power of 8-12 kW, excessive oxidation can be prevented, the powder activity can be improved, and a good foundation is laid for subsequent spraying deposition.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention relates to a method for coating a workpiece surface (133) in which an atmospheric plasma jet (26) is generated by means of a plasma nozzle (2), in which a coating material is supplied to the generated plasma jet (26) and in which the plasma jet (26) with the coating material is directed towards the workpiece surface (133) to be coated, wherein the coating material is supplied to the generated plasma jet (26) by supplying a filament (34) containing or consisting of the coating material to the generated plasma jet (26).The invention further relates to a device (100, 200, 300, 400) for coating a workpiece surface (133) with a plasma nozzle (2) which is configured to generate an atmospheric plasma jet (26), wherein the plasma nozzle (2) has a nozzle opening (6) from which the plasma jet (26) exits during operation, and with a filament feeder (124) which is arranged and configured to supply a filament (34) to the plasma jet (26) generated during operation, and to a use of the device (100, 200, 300, 400).

The invention relates to a method for treating a reflective optical element (1) for the VUV wavelength range having an aluminum surface (3). The treatment of the reflective optical element (1) comprises irradiating the reflective optical element (1) with a hydrogen plasma jet (10) to remove the aluminum oxide layer (4) formed on the aluminum surface (3). The invention also relates to a reflective optical element (1) for use in the VUV wavelength range treated by such a method, and to an optical arrangement comprising at least one such optical element (1).

An embodiment of the disclosure provides a plasma coating method of a nanovesicle surface and a plasma jet device for plasma coating of a nanovesicle surface. The plasma coating method of a nanovesicle surface according to an embodiment of the disclosure may be provided as a simple method for changing the surface charge of a nanovesicle from negative to neutral by utilizing the characteristic that when a neutral object meets a negatively charged object, electrons of the neutral object repel electrons of the negatively charged object and the negatively charged object becomes positively charged.

The invention provides a core-shell structure powder preparation method which comprises the following steps: in a reaction chamber in an inert gas atmosphere, melting a metal raw material by using plasma jet, and crushing the molten metal raw material into metal powder which is a metal core of a core-shell structure. And meanwhile, precursor gas is introduced into the reaction chamber, so that the precursor gas is cracked under the combined action of high-energy plasma, high temperature, metal surface catalysis and the like and is recombined into a deposition layer on the surface of the metal core, and the core-shell structure powder with the metal core inside and the deposition layer outside is obtained at the moment. According to the core-shell structure powder preparation method provided by the invention, the gas is used as a precursor material, and under the combined action of the high-energy plasma and the high-temperature metal, the precursor gas can immediately complete cracking deposition of the shell material while melting and crushing the metal raw material through plasma jet, so that the deposition efficiency is high; and in addition, the gaseous precursor is relatively high in purity, so that the metal powder can be effectively prevented from being oxidized.

The invention discloses a preparation process and device of conductive carbon black, and the preparation process comprises the following steps: providing a high-temperature composite airflow which comprises a plasma jet flow, a natural gas rotational flow and an air rotational flow from inside to outside; spraying the high-temperature composite gas flow into a reaction area, radially spraying preheated raw oil into the center of the reaction area, and converging the high-temperature composite gas flow and the preheated raw oil to generate a high-temperature cracking reaction to obtain high-temperature flue gas; and carrying out quenching separation and tail gas circulation on the high-temperature flue gas to obtain the conductive carbon black. The method for producing the high-end conductive carbon black for the lithium battery is based on a traditional oil furnace method and combined with a plasma technology, and continuous and stable production of the high-end conductive carbon black for the lithium battery in a plasma oil furnace system is achieved.

The invention provides a plasma virtual control surface and control mechanism control distribution method for reentry flight of a high-speed aircraft. The method comprises the following steps: firstly, determining that the aircraft enters a reentry flight stage; secondly, the needed torque is calculated according to an attitude controller; then designing control distribution models of a plasma active flow control system, a pneumatic control surface control mechanism and an RCS backstepping control system based on a depth deterministic strategy gradient reinforcement learning algorithm; and the high-speed aircraft completes reentry flight based on the control distribution parameters obtained by the control distribution model. Auxiliary control is achieved through the plasma jet, and a new way is provided for accurate control over the aircraft. According to the method, control means can be reasonably distributed according to the early stage, the middle stage and the later stage of reentry flight, and relevant parameters of all control systems are determined. The reinforcement learning algorithm is used for processing the nonlinear characteristics of the input power and control output of the plasma exciter and the nonlinearity and uncertainty of aerodynamic characteristics in an attitude control model, the stability of a control system can be improved, and the method has a good application prospect.

The utility model discloses a high-efficiency furnace end and an electric flame stove. The high-efficiency furnace end comprises an upper shell, a lower shell and a plurality of anode needles arranged between the upper shell and the lower shell, the upper shell is provided with a plurality of cathode tubes corresponding to the anode needles, and upper ceramic tubes are arranged below the bottoms of the cathode tubes; the lower shell is provided with a plurality of arc striking pieces corresponding to the anode pins, lower ceramic tubes are arranged on the outer sides of the arc striking pieces, and the tops of the lower ceramic tubes abut against the bottoms of the upper ceramic tubes. According to the utility model, the two discharge areas are arranged to form an avalanche effect of secondary ionization, and finally an extremely high temperature plasma jet is formed, so that efficient heat transfer is realized; the cathode tubes, the upper ceramic tubes, the anode needles and the lower ceramic tubes of each group are connected in an abutting manner, and finally, plasma accessories are stabilized by utilizing tightening force between the upper shell and the lower shell, so that the mounting and dismounting efficiency is improved, the complexity of mounting and reworking or overhauling is reduced, and the cost is effectively controlled.

The application discloses a kind of plasma jet array devices for large size epoxy surface modification, including frame, tank, gas cylinder for loading inert gas, aperture network, high voltage power supply and metal insert;Tank and metal insert are fixed on frame, tank is flat tank and its slot is formed with jet airway for placing and fixing epoxy insulation, the bottom and side of tank are provided with jet spout arranged in array, jet spout is connected by gas inlet pipe, gas inlet pipe is arranged in the inside of side plate and bottom plate of tank;Aperture network is connected on jet spout and connects high voltage power supply, tank is grounded by wire;Metal insert is inserted above epoxy insulation, metal insert is grounded by wire.The application also discloses the use method applied to the above device.Adopting the application, the surface of large size epoxy insulation can be quickly and uniformly modified, and the charge release capacity is improved.

The invention discloses a novel mixed insulator for a coastal operation environment and a preparation method thereof, and relates to the field of insulators. The preparation method comprises the following steps: manufacturing a mold, controlling the thickness of the surface silicone rubber to be 1-8mm, and enabling the insulator to be a porcelain or glass insulator; carrying out surface treatment on the insulator by adopting a plasma jet technology; placing the insulator in the mold, injecting the high-temperature vulcanized silicone rubber banburying material into the mold, and curing and demolding to obtain the high-temperature vulcanized silicone rubber. A layer of high-temperature silicone rubber with a breakdown-resistant effect is vulcanized on the surface of the porcelain / glass insulator, hydrophobicity is improved, surface creepage density is reduced, electrochemical corrosion is reduced, the anti-pollution flashover performance of the composite insulator is combined, meanwhile, the excellent mechanical performance of the porcelain / glass insulator is reserved, and the operation requirements of insulators in coastal areas can be met.

The invention belongs to the technical field of combustion equipment, and relates to a plasma ignition system and a using method thereof. The system comprises a plasma generator, a combustor, a power supply system, a carrier working medium system and a cooling water system, an anode and a cathode of the plasma generator are coaxially arranged to form an electric arc cavity and a surrounding cooling water cavity, and the anode is provided with a compressed air inlet and a plasma jet outlet; the plasma combustor is sequentially and coaxially sleeved with a first-stage center cylinder, a second-stage combustion cylinder and an outer wall cylinder from inside to outside, the first-stage center cylinder communicates with the jet flow outlet, and the outer wall cylinder is provided with a pulverized coal inlet; the power supply system supplies power to the generator through the isolation transformer and the rectifier cabinet. The carrier working medium system supplies air to the compressed air inlet; the cooling water system enables demineralized water to circulate in the cooling water cavity. Efficient and stable ignition and low-nitrogen combustion of pulverized coal are achieved, the ignition reliability is remarkably improved, the system service life is remarkably prolonged, and the operation automation level is remarkably improved.

The present application relates to a kind of catalyst synergistic plasma to regulate the method of active substance content in plasma activated water, belong to plasma activated water preparation technical field.The present application uses catalyst synergistic plasma to prepare the device of activated water, catalyst is filled in the discharge region of dielectric barrier discharge plasma jet device, the working gas flow of inlet pipe is adjusted by mass flowmeter, low-temperature plasma power is powered to high-voltage electrode, working gas starts discharge to generate plasma in discharge region, while, under the coupling catalysis of catalyst, the content of active substance in plasma is improved, the water body in plasma active substance activated water storage container is activated, and plasma activated water is formed;The content of active substance in plasma activated water is regulated by changing catalyst type and the component of working gas in gas cylinder.The present application improves the content of active substance in plasma working gas by catalyst coupling plasma, and the content of active substance in plasma activated water is improved.