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708 results about "High voltage electrode" patented technology

Dielectric barrier plasma generator and plasma discharge starting method for dielectric barrier plasma generator

A dielectric barrier plasma generator includes: a dielectric substrate, a high-voltage electrode provided on a first surface of the dielectric substrate, a low-voltage electrode provided to face a second surface of the dielectric substrate, a power introduction section provided at a first end of the high-voltage electrode, a gas channel formed from a first end to a second end thereof between the dielectric substrate and the low-voltage electrode to allow gas to flow from the first end of the gas channel to the second end thereof, and a blowout outlet formed at the second end of the gas channel to blow out the gas that has flown through the gas channel and plasma that has been generated in the gas channel. The dielectric substrate includes a portion having a thickness being thinner when being closer to the blowout outlet.
Owner:USHIO INC

Plasma enhanced direct injection type liquid ammonia atomizing nozzle and liquid ammonia burner

The invention discloses a plasma-enhanced direct-injection type liquid ammonia atomizing nozzle and a liquid ammonia combustor, and belongs to the field of liquid fuel combustion. The plasma-enhanced direct-injection type liquid ammonia atomizing nozzle comprises a liquid ammonia channel, a compressed air channel, an atomizing channel, a secondary air channel and a heating assembly, wherein the outlet end of the compressed air channel and the outlet end of the liquid ammonia channel are both communicated with the atomizing channel; the heating assembly comprises a high-voltage electrode, a ground electrode and a central air channel, the ground electrode is arranged on the outer side of the high-voltage electrode, and an outlet of the central air channel faces a discharge area formed by the high-voltage electrode and the ground electrode; a discharge area formed by the high-voltage electrode and the ground electrode is close to the liquid ammonia channel; a ground electrode hole is formed in the position, close to the liquid ammonia channel, of the ground electrode. Self-evaporation of preheated liquid ammonia is achieved through small plasma flames, efficient atomization of large-flow liquid ammonia is achieved, and consumption of atomization media is reduced while stable combustion is achieved.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Physical separation and recovery device for metal-containing plastic

The physical separation and recovery device comprises a pulverizer, a pulverizing roller is rotationally connected into the pulverizer, a sieve plate is fixedly connected to the position, located below the pulverizing roller, in the pulverizer, and a sorting box is fixedly connected to one side of the pulverizer; a grounding roller in transmission connection with the smashing roller is fixedly connected into the sorting box and used for compensating and stabilizing an electric field, a high-voltage electrode is fixedly connected to one side of the grounding roller and used for generating a high-voltage electrostatic field, and the device is provided with a feeding mechanism which comprises a feeding box, a feeding frame, an air cylinder and other components. Materials can be automatically fed into the crusher for crushing treatment, so that the working efficiency is improved; the partition plate which is fixedly connected with the top of the feeding frame and is of an inverted L-shaped structure is used for blocking materials and can also form an impact area to primarily separate large materials and prevent the large materials from being clamped and suspended in the pulverizer; according to the device, uniform material distribution and vibration discharging of materials are achieved through the spiral blade, the rotary material distribution pipe, the cam and other components.
Owner:JIEYANG JIEDONG HONGTAO PLASTIC TECH CO LTD

High-power sliding arc igniter based on gas-liquid cooling electrode and operation method of high-power sliding arc igniter

The invention discloses a high-power sliding arc igniter based on a gas-liquid cooling electrode and an operation method of the high-power sliding arc igniter, and relates to the field of high-end equipment, a high-voltage electrode is located at the tail end of an inner-layer sleeve, and insulation between the high-voltage electrode and a low-voltage electrode is achieved through a first cyclone and an insulation interface. Sliding arc discharge is generated by the high-voltage electrode and the low-voltage electrode, a rotary sliding arc is formed under the action of strong rotational flow, and large-area discharge is generated; meanwhile, liquid ammonia is introduced into the high-voltage electrode and the low-voltage electrode, the surface temperature of the electrodes is reduced, the service life of the electrodes is prolonged and higher discharge power is allowed in the liquid ammonia gasification heat absorption process, and gasified ammonia is sprayed out through small-diameter holes and mixed with sliding arc plasmas to form flames. The defects that a high-power sliding arc electrode is high in temperature, short in service life and the like are overcome, and the sliding arc power, the electrode service life and the ignition performance can be greatly improved within the limited size.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Multi-sample insulation and voltage resistance test system for insulating material

The invention discloses a multi-sample insulation and voltage resistance test system of an insulation material, the system comprises a protection inductor and a plurality of test units, each test unit comprises a high-voltage relay, a high-voltage electrode, a low-voltage electrode, a detection impedance circuit, a protection resistor, an insulation support and a voltage monitoring unit, the protection inductor is preposed in the system, and the protection resistor is moved backwards; the high-voltage relay obtains power through the protection inductor, the high-voltage electrode is connected with the high-voltage relay, and the insulating material is arranged between the low-voltage electrode and the high-voltage electrode. The high-voltage end of the detection impedance circuit is connected with the low-voltage electrode, and the low-voltage end of the detection impedance circuit is grounded; the voltage monitoring unit is connected with the high-voltage end of the detection impedance circuit to monitor whether the voltage of the high-voltage end exceeds a preset value; and the circuit control end of the voltage monitoring unit is connected with the controlled end of the high-voltage relay, so that the high-voltage relay is in an off state when the voltage of the high-voltage end exceeds a preset value. According to the system, the test efficiency of the withstand voltage breakdown test of the insulating material can be enhanced.
Owner:EAST CHINA BRANCH OF STATE GRID CORP +1

Primary and secondary fusion pole-mounted circuit breaker state monitoring system and method

The invention discloses a primary and secondary fusion pole-mounted circuit breaker state monitoring system and method, and relates to the technical field of power system automation. The system comprises a native signal acquisition module which is used for multiplexing an inherent electrical loop of a circuit breaker and acquiring a current signal of an opening and closing coil and a capacitive reactance change signal of a parasitic capacitor between a high-voltage electrode and a grounding end; and the edge analysis module is used for processing the signal acquired by the original signal acquisition module, including generating a mechanical health degree through feature extraction and state mapping, calculating an insulation aging index based on capacitive reactance change, and dynamically correcting a monitoring reference in combination with a digital twin model and a filtering algorithm. Non-auxiliary element monitoring is realized by multiplexing the inherent electrical loop of the circuit breaker, so that the service life of the monitoring system and the service life of primary equipment are completely synchronous, and elements do not need to be replaced in the whole life cycle; errors introduced by additional sensors are avoided by using the original electrical signals, and the mechanical fault recognition and insulation state evaluation precision is remarkably improved.
Owner:ZHEJIANG CHUSHENG ELECTRIC CO LTD

Test device for the insulation performance of a lightning rod resistance disc

A testing device for the insulation performance of a lightning arrester resistance disk, comprising a housing (1), a module placement cover (2), and an insulation testing device, characterized in that the insulation testing device comprises a high-voltage electrode common end tool plate (4), a channel signal switching plate (5), and a low-voltage electrode end tool plate (6), the high-voltage electrode common end tool plate (4), the channel signal switching plate (5), and the low-voltage electrode end tool plate (6) being sequentially distributed from top to bottom inside the housing (1);and wherein the front of the housing (1) is provided with an insertion slot (8), and wherein a resistor disk mounting bracket (9) comprising a pull-out frame (12) is movably inserted into the inner wall of the insertion slot (8), and wherein a resistor disk receiving plate (11) is movably inserted into the inner wall of the pull-out frame (12), and wherein a resistor disk placing groove (17) is provided on the upper surface of the resistor disk receiving plate (11), and wherein the resistor disk mounting bracket (9) is located between the tool plate of the common end of the high-voltage electrode (4) and the channel signal circuit board (5);
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD +1

Systems and methods for generating ozone

An ozone generating cell includes a corona discharge chamber with a curved side wall. The cell includes a high-voltage electrode, a ground electrode, and a dielectric material positioned between the high-voltage electrode and the ground electrode. The cell includes a gas channel formed between the dielectric material and the ground electrode. The channel has a first end in fluid communication with a gas opening in the dielectric material, which is in fluid communication with a gas port. The channel has a second end in fluid communication with another gas port. The channel further includes multiple concentric segments between the first and second ends of the channel.
Owner:PRESERVATION TECH LLC

Device for converting biomass tar through plasma multi-mode coupling catalyst

The invention discloses a device for converting biomass tar by coupling plasma multi-mode with a catalyst. A plasma reactor of the device comprises a coaxial DBD body discharge structure and a structural catalyst channel internal discharge structure; the alternating-current high-voltage electrode bar, the dielectric tube and the ground electrode form coaxial DBD body discharge in an inner cavity of the dielectric tube; catalyst particles in the inner cavity of the medium tube and the structural catalyst form voltage difference at the upper end and the lower end of the structural catalyst under the combined action of an alternating-current electric field and a direct-current electric field to form discharge in a structural catalyst channel; and meanwhile, gas which flows upwards from the structural catalyst and is activated by the plasma enables catalyst particles to be in a fluidized state, and interaction between the catalyst and the plasma is realized by combining coaxial DBD discharge. The whole reaction efficiency is improved by combining direct-current and alternating-current dual-power-supply driving and fluidized bed and packed bed two-mode coupling catalysts, rapid and efficient tar treatment can be achieved, and operability and economical efficiency of the tar treatment process are improved.
Owner:NANJING TECH UNIV

Portable auxiliary device for batch test of 10kV lightning arresters

The invention relates to a portable auxiliary device for batch test of 10kV lightning arresters. The portable auxiliary device sequentially comprises a foldable support frame, a rotary base and a manual lifting rod from bottom to top, the support frame is an electric lifting rod for lifting the rotary base and the manual lifting rod; the top end of the supporting frame is sleeved with the rotating base, the rotating motor is in transmission connection with the rotating base, the rotating base is provided with a plurality of mounting strips arrayed in the circumferential direction of the supporting frame, and the length directions of the mounting strips are arranged in the radial direction of the supporting frame; three clamping grooves for fixing lightning arrester flange plates of the lightning arresters are formed in the mounting strips; the motor driving module is used for adjusting the lifting height of the supporting frame and the rotating angle of the rotating base. The wireless remote control module is used for remotely controlling the motor driving module; a high-voltage electrode array of the high-voltage electrode corresponds to the three clamping grooves and is used for synchronously applying test voltage; and the grounding end integrated board module is used for realizing parallel connection and electrification of a plurality of lightning arresters. The auxiliary device is portable and safe, and batch testing of lightning arresters is realized.
Owner:STATE GRID CORPORATION OF CHINA +1

Hexapole ring array plasma generating device for sterilization and disinfection

The application discloses a six-pole ring plasma generating device for sterilization and disinfection, which is composed of a plasma generating area, a plasma activated water storage area and a plasma special power supply; the plasma generating area is composed of a fan, a single-pole high-voltage electrode column, a quartz tube, a six-pole grounding electrode column and a ring electrode fixing plate; the upper side wall of the plasma generating area is provided with a circular air hole in the center; the plasma activated water storage area is located below the plasma generating area and communicates with the plasma generating area; the left side wall of the plasma activated water storage area is provided with a circular water injection hole in the center, and the front side communicates with a water faucet. Gas enters the plasma generating area through the circular air hole and generates plasma under the action of high voltage. The gas carrying the plasma enters the plasma activated water storage area, so that ordinary water is changed into plasma activated water, and the plasma activated water can be taken through the water faucet.
Owner:GANNAN NORMAL UNIV

Dielectric barrier discharge reactor with double-dielectric coating structure

The invention provides a dielectric barrier discharge reactor with a double-dielectric coating structure, which belongs to the technical field of plasma discharge and dielectric engineering and comprises a DBD (dielectric barrier discharge) power supply, a gas supply and flow control module and a coaxial DBD reactor body. The body is of a coaxial hierarchical structure, a coaxial high-voltage electrode is arranged on the inner side of a hollow quartz tube, a first dielectric layer and a second dielectric layer are attached to and wrap the outer side of the hollow quartz tube to form a radial dielectric constant gradient, a grounding electrode wraps the second dielectric layer, and the two axial ends of the grounding electrode are sleeved with hoops to be clamped and fixed. Two ends of the quartz tube are hermetically connected with PTFE joints with air inlets and air outlets; the DBD power source is electrically connected with the high-voltage electrode through a high-voltage wire, and the gas supply and flow control module is communicated with the PTFE connector through a pipeline. The invention solves the problems of large energy loss and poor discharge stability caused by easy uncontrollable micro-gap between the external electrode and the dielectric tube of the existing dielectric barrier discharge reactor, and is suitable for the scenes of ozone generation, surface modification, plasma catalysis and the like.
Owner:HEFEI UNIV OF TECH

Ionization chamber with adjustable polar plate distance and adjusting method

The invention provides an ionization chamber with an adjustable polar plate distance and an adjusting method, and the ionization chamber comprises a housing which is provided with a through hole for a beam to pass through; the collector is fixed in the shell; the high-voltage electrode and the collector are arranged at an interval; the spacer ring is connected with the collector, and the spacer ring is located between the collector and the high-voltage electrode; the adjusting assembly comprises a lead screw, the lead screw is connected with the high-voltage electrode, the lead screw is rotatably arranged relative to the adjusting assembly, and the high-voltage electrode is driven to move by rotating the lead screw, so that the distance between the collector and the high-voltage electrode is adjusted. According to the ionization chamber with the adjustable polar plate distance and the adjusting method, the technical problem that the monitoring result of the radiotherapy dose rate is inaccurate due to the influence of ion recombination in the ionization chamber in the related technology is solved.
Owner:ZHONGJIU FLASH MEDICAL TECHNOLOGY CO LTD

A plasma-enhanced direct-injection liquid ammonia atomizing nozzle and a liquid ammonia burner

ActiveCN119642193BBurnersCombustorLiquid fuel
The present invention discloses a plasma-enhanced direct-injection liquid ammonia atomizing nozzle and a liquid ammonia burner, which belong to the field of liquid fuel combustion. The plasma-enhanced direct-injection liquid ammonia atomizing nozzle comprises a liquid ammonia channel, a compressed air channel, an atomizing channel, a secondary air channel and a heating component, wherein the outlet end of the compressed air channel and the outlet end of the liquid ammonia channel are both connected to the atomizing channel; the heating component comprises a high-voltage electrode, a ground electrode and a central air channel, the ground electrode is arranged on the outside of the high-voltage electrode, and the outlet of the central air channel faces the discharge area formed by the high-voltage electrode and the ground electrode; the discharge area formed by the high-voltage electrode and the ground electrode is close to the liquid ammonia channel; a ground electrode hole is arranged on the ground electrode near the liquid ammonia channel. The present invention realizes the self-evaporation of the preheated part of the liquid ammonia through a small plasma flame, realizes the efficient atomization and stable combustion of large-flow liquid ammonia, and reduces the consumption of the atomizing medium.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Pulse modulation plasma jet generation method and application thereof

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.
Owner:DONGHUA UNIV

Device and method for synthesizing ammonium nitrate through underwater bubble plasma electro-catalysis

In the device, a plurality of low-temperature plasma reactors are fixed in an absorption liquid storage tank in an array manner, a quartz tube is immersed in liquid in the absorption liquid storage tank, and a plurality of through micropores are uniformly distributed in the bottom of the quartz tube; the lower end of the connecting fastener is fixed with the orifice of the quartz tube, and the side edge of the connecting fastener is provided with an air tube; the metal electrode is fixed through the upper end of the connecting firmware and extends into the quartz tube to serve as a high-voltage electrode; the discharge power supply is connected with the metal electrode and the ground electrode, so that the low-temperature plasma reactor generates bubble plasma in liquid; the electrolytic cell is communicated with an absorption liquid storage tank through a switch pipeline, the working electrode is provided with foamy copper as an electro-catalysis material, and the working electrode, the platinum wire counter electrode and the silver / silver chloride reference electrode form a three-electrode electrochemical structure to electrocatalytically synthesize ammonium nitrate in the electrolytic cell.
Owner:XI AN JIAOTONG UNIV

Preparation method of high-performance modified dry electrode and application of high-performance modified dry electrode in lithium metal battery

The invention discloses a preparation method of a high-performance modified dry-method electrode and application of the high-performance modified dry-method electrode in a lithium metal battery, the method comprises the following steps: step 1, heating and hot-melting succinonitrile under a hydrothermal condition to obtain clear and transparent liquid, and then adding lithium salt into the clear and transparent liquid to complete preparation of a dry-method modified additive; 2, premixing a positive electrode material, vapor-phase growth carbon fibers and a dry-method modified additive; 3, adding an adhesive into the premixed material to obtain a modified dry-method electrode material; and step 4, pouring the modified dry-method electrode powder into a mortar, after preliminary film formation, gradually thinning to 60-75 m in thickness under a roller press, and finally performing hot rolling with a current collector to complete the preparation of the modified dry-method electrode. According to the invention, by adding the additive into the dry electrode, an excellent high-voltage-resistant electrode interface is constructed, and the lithium ion conduction rate of the electrode is improved, so that the electrochemical performance of the dry electrode is further improved, and the application of the dry electrode in a high-voltage lithium metal battery is promoted.
Owner:HARBIN INST OF TECH

Device and method for verifying performance of electromagnetic field composite energy-taking passive sensor

The invention discloses a device and method for verifying the performance of an electromagnetic field composite energy-taking passive sensor, and the device comprises a verification box which is internally provided with a dual-channel excitation source which is used for outputting magnetic field excitation and electric field excitation. The double-channel excitation source comprises high-voltage electrode plates installed on the left inner wall and the right inner wall of the verification box, two symmetrical brackets fixed to the bottom of the verification box, a convex bottom table fixed to the top ends of the two brackets, and a Helmholtz coil installed at the top end of the convex bottom table. According to the invention, the magnetic field and the electric field are arranged to be a vertically-crossed dual-channel excitation structure, so that excitation of fundamental waves and harmonic waves can be simultaneously or independently carried out to generate electromagnetic composite fields with different waveforms and different phase angles, and an excitation environment is provided for the composite energy-taking sensor through electromagnetic field excitation for a period of time; therefore, the performance of the sensor can be tested in various scenes.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

Device for preparing plasma activating solution on large scale and application of device in food sterilization

The invention discloses a device for preparing a plasma activating solution on a large scale and application of the device in food sterilization. The device comprises a power supply, a gas supply system, a water tank and at least one mixed plasma reactor, the hybrid plasma reactor is arranged in the water tank and comprises a medium pipe, a rod-shaped grounding electrode, a first high-voltage electrode and a second high-voltage electrode; the rod-shaped grounding electrode, the first high-voltage electrode and the second high-voltage electrode are fixed in the dielectric tube; the first high-voltage electrode is a metal tube and sleeves the rod-shaped grounding electrode, and the rod-shaped grounding electrode is located in the center of the first high-voltage electrode; a dielectric layer is arranged on the inner surface of the first high-voltage electrode; the second high-voltage electrode is arranged below the first high-voltage electrode and sleeved outside the rod-shaped grounding electrode, and the rod-shaped grounding electrode is located at the center of the second high-voltage electrode. According to the invention, the variety and concentration of active ingredients in the plasma activating solution are improved, high-level food sterilization application is realized, and the device has spectral antibacterial property, is simple, energy-saving and extensible, and can be suitable for various food sterilization scenes.
Owner:SOUTH CHINA UNIV OF TECH

Graphene carbon nano tube composite conductive paste for high-voltage electrode and preparation method of graphene carbon nano tube composite conductive paste

The invention relates to the technical field of conductive agents, and particularly discloses graphene carbon nanotube composite conductive paste for a high-voltage electrode and a preparation method of the graphene carbon nanotube composite conductive paste. The graphene carbon nanotube composite conductive paste for the high-voltage electrode is prepared from the following raw materials in parts by weight: 2 to 6 parts of carboxylated single-walled carbon nanotube powder, 1 to 3 parts of fluorinated modified graphene powder, 0.6 to 1.2 parts of superfine carbon black, 2 to 4 parts of an ionic liquid dispersing agent, 0.2 to 0.4 part of a rheology modifier and 80 to 100 parts of N-methyl pyrrolidone. According to the graphene carbon nanotube composite conductive paste for the high-voltage electrode, the breakdown field strength can be remarkably improved, partial discharge is inhibited, and high conductivity is kept while the high-voltage service life is prolonged.
Owner:江苏希诚新材料科技有限公司

Plasma coupling fluidized catalyst device

The invention provides a plasma coupling fluidized catalyst device which is characterized in that a first conical quartz tube is arranged in the middle of an inner medium tube, a first cylindrical quartz tube is arranged at the upper end of the inner medium tube, a second cylindrical quartz tube is arranged at the lower end of the inner medium tube, a high-voltage electrode covers the outer wall of the conical quartz tube, and an inner ground electrode is arranged in the inner medium tube; the inner ground electrode comprises a cylindrical metal rod and a conical metal rod, an air outlet is formed in the outer medium pipe, the outer ground electrode covers the outer wall of the outer medium pipe, and the bottom end air inlet device is arranged in the bottom end of the outer medium pipe. According to the invention, gas molecules are helped to reach a vibration excitation state, and conversion of the gas molecules is promoted. Compared with other dielectric barrier discharge devices, heat generated by discharge of the dielectric barrier discharge device is beneficial to activation of a catalyst, and an integrated air inlet device is used, so that all airflow is sprayed out through micro-inclined capillary micropores and acts on floating of the catalyst more accurately, and loss of air pressure is reduced. The device has low requirements on the material and temperature of the reactor, and realizes efficient conversion of the benzene ring-containing compound gas within a short time.
Owner:SOUTHEAST UNIV

A high-disturbance nozzle structure based on plasma-excited coupled pneumatically assisted atomization

This invention discloses a high-disturbance spray boom structure based on plasma-excited coupled aerodynamically assisted atomization, relating to the field of afterburner technology for aero-engines. It includes: a shell with an air inlet; a fuel pipe with a fuel delivery channel; the fuel pipe extending into the shell and forming an air channel with it; a first insulating platform with a collision atomization zone and an atomization development zone; the first insulating platform is connected to the output end of the fuel pipe, and its neck has several fuel-gas atomization channels; a second insulating platform with a plasma discharge region; the second insulating platform is snapped into the first insulating platform; a high-voltage electrode located between the first and second insulating platforms; and a grounding electrode located between the second insulating platform and the shell. This invention employs the coupling of plasma excitation with aerodynamically assisted atomization and cross-collision to perform three consecutive actions on the fuel spray, thereby improving the fuel atomization performance of the high-disturbance spray boom.
Owner:SHENYANG AEROSPACE UNIVERSITY

Heat storage high-voltage electrode boiler control system

The invention discloses a heat storage high-voltage electrode boiler control system, and relates to the technical field of boiler control. Sensors of different types are installed at a plurality of key positions of the system, and the sensors are used for collecting multi-dimensional data of normal operation samples and scaling samples; recording the working intensity grade and the total working duration grade of the boiler in a normal state in one day, marking each date to obtain a date marking sequence, counting the number from 0 to 8, and if one of the numbers exceeds a number threshold value, starting a boiler electrode scaling risk test; the method comprises the following steps: collecting an overall electricity consumption low-peak period time interval and a real cooling time interval of a city within one day, solving an intersection to obtain a test time interval, training a normal sample and a scaling sample by using an extreme gradient boost tree XGBoost model to obtain a scale layer thickness, calculating a scaling risk score through the scale layer thickness, and obtaining different descaling methods adopted for different grades.
Owner:TAISHAN GROUP

Plasma enhanced reaction device and low-concentration light hydrocarbon oxidative conversion method

The invention relates to the technical field of plasmas, and discloses a plasma enhanced reaction device and a low-concentration light hydrocarbon oxidative conversion method. The device comprises a high-voltage electrode, more than two ground electrodes, more than two third electrodes and a plasma reaction tube which are coaxially arranged, the high-voltage electrode is arranged along the axis of the plasma reaction tube, the ground electrodes and the third electrodes are arranged in parallel along the outer wall of the plasma reaction tube, and the ground electrodes and the third electrodes are arranged at intervals; a reaction cavity is formed between the high-voltage electrode and the inner wall of the plasma reaction tube, the high-voltage electrode and the ground electrode form more than two discharge areas in the reaction cavity, the high-voltage electrode and the third electrode form more than two induction electric field areas in the reaction cavity, and the induction electric field areas are filled with metal frame organic materials serving as catalysts. The plasma enhanced reaction device disclosed by the invention is used for carrying out oxidative conversion on low-concentration light hydrocarbon, and a relatively good conversion effect can be obtained.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Ion beam current accelerating tube with dual-suppression and focusing functions and ion implanter comprising ion beam current accelerating tube

The invention discloses an ion beam current accelerating tube with double suppression and focusing functions and an ion implanter comprising the ion beam current accelerating tube, and the ion beam current accelerating tube comprises a high-voltage electrode assembly, a middle electrode assembly, a suppression electrode assembly and a ground electrode assembly which are sequentially arranged along the movement direction of an ion beam current, insulating rings are arranged between the middle electrode assembly and the high-voltage electrode assembly and between the middle electrode assembly and the ground electrode assembly, the suppression electrode assembly is connected to the center of the ground electrode assembly, and the suppression electrode assembly comprises a suppression electrode ring and a suppression permanent magnet which are arranged in sequence; the high-voltage electrode assembly, the intermediate electrode assembly, the suppression electrode assembly, the ground electrode assembly and the insulating ring are in sealed connection, so that a vacuum environment is formed in the ion beam current accelerating tube. The device has the advantages of being compact in structure, high in stability, beneficial to improving the production efficiency of SiC devices and the like, and ion beam focusing and secondary electron suppression can be well achieved.
Owner:BEIJING SHUOKE ZHONGKEXIN ELECTRONICS EQUIP CO LTD

Waste recovery device for foam box production

The invention relates to the technical field of foam box waste recovery, and discloses a foam box production waste recovery device which comprises a support, and a feeding mechanism, a crushing mechanism and an extrusion mechanism are sequentially arranged on the support in the foam moving direction. The feeding mechanism comprises a base plate obliquely arranged on the support, the two ends of the base plate are rotationally connected with conveying rollers, the two conveying rollers are connected with the two ends of a conveying belt, a material taking needle is arranged on the outer side of the conveying belt, a suspension frame is arranged on the side face of the base plate, and a material guide groove parallel to the base plate is formed in the side, close to the ground, of the suspension frame. A high-voltage electrode plate is arranged on the side, close to the material guide groove, of the base plate, and after the material taking needle moves to the position between the high-voltage electrode plate and the material guide groove, static electricity is generated at the tip end of the material taking needle. By arranging the high-voltage electrode plate, the end of the material taking needle has static electricity, the material taking needle enables small-particle foam to directionally move along the material guide groove through the electrostatic adsorption effect, and flying of the small-particle foam is avoided.
Owner:YUNNAN CUIZHUO NEW MATERIAL TECH CO LTD

High-energy remote chamber ignition system

An ignition method is provided for an internal combustion engine having an engine cylinder and a remote ignition chamber in fluid communication with the main combustion chamber via a tubing assembly. The remote ignition chamber and tube are charged with a first combustible charge gas. The main combustion chamber is charged with a second combustible charge gas. A plurality of high-voltage electrodes arranged along the tube are used to pretreat the first combustible charge gas to generate radicals therein. The pretreated first combustible charge gas is ignited to produce a deflagration flame. A plurality of high-energy discharge sparkplugs arranged along the tube are used to sense a property of the deflagration flame. When the sensed property of the deflagration flame is within predetermined threshold limits, at least one of the high-energy discharge sparkplugs is used to provide a transient high energy spark to the deflagration flame to stimulate deflagration-to-detonation transition.
Owner:ZHENG MING

Plasma activated water preparation device

The invention relates to the technical field of plasma activated water preparation, and discloses a plasma activated water preparation device. The plasma activated water preparation device comprises a plasma generation module. The plasma generation module comprises a tube body, a high-voltage electrode, an insulating medium layer and a low-voltage electrode. An air inlet and a plurality of micropores are formed in the pipe body; at least part of the high-voltage electrode is arranged in the tube body, and a gap is formed between the high-voltage electrode and the inner surface of the tube body; the micropores and the air inlet are communicated with the gap; the outer surface of the high-voltage electrode is covered with an insulating medium layer; the low-voltage electrode is arranged on the outer surface of the tube body and used for making contact with a target activation solution. In the invention, the low-voltage electrode and the high-voltage electrode are respectively arranged on the outer surface and inside the tube body, so that the relative physical space positions of the high-voltage electrode and the low-voltage electrode are always kept unchanged, and field intensity which is not dynamically influenced by bubbles is formed; the problem that an existing plasma activated water preparation device is low in activated water preparation efficiency can be solved.
Owner:BEIJING MEDICAL PLASMA LABORATORY TECHNOLOGY CO LTD

Composite electrolyte for high-voltage solid-state lithium battery and preparation method

The invention relates to a high-voltage polyoxyethylene (PEO)-based solid electrolyte and a preparation method thereof, and belongs to the technical field of solid-state battery materials. The electrolyte is composed of a polymer substrate, an inorganic filler, a cosolvent and a lithium salt, the polymer substrate is a PEO-polyacrylonitrile (PAN) composite substrate; the inorganic filler is lithium titanium aluminum phosphate LATP, and the cosolvent is fluoroethylene carbonate FEC; the lithium salt is lithium bis (trifluoromethanesulfonic acid) imide LiTFSI and lithium difluoro (oxalato) borate LiDFOB; the dispersing agent is acetonitrile ACN. The method has the advantages that PEO and FEC are complexed to form a new structure, and room-temperature efficient operation of a single-salt (LiTFSI) system is realized; and meanwhile, LiDFOB is cooperatively introduced to construct a stable passivation layer on a positive electrode interface, FEC synchronously induces to generate LiF-rich stable SEI on a lithium negative electrode, and the interface compatibility and electrochemical stability of the electrolyte to a high-voltage electrode are remarkably improved.
Owner:NANJING FORESTRY UNIV