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85 results about "Plasma heating" patented technology

Plasma heating performed by the plasma current and the injection of fast atoms and use of high-frequency and ultrahigh-frequency (UHF) power (in the case of a hot plasma also by charged products of the fusion reaction).

Plasma heating hydrogen-rich direct reduction ironmaking system and method

The invention provides a plasma heating hydrogen-rich direct reduction ironmaking system and method. The system comprises a plasma shaft furnace, a heat exchanger, a washer, a desulfurization device, a dehydration device and a pressurization device, the plasma shaft furnace comprises a feeding area, a reduction area, a blanking area and a plasma heating area from top to bottom; the plasma heating area is provided with a hydrogen plasma torch, a thermal reduction gas circulation outlet and a hydrogen inlet; and the hydrogen plasma torch is used for heating and ionizing hydrogen entering from the hydrogen inlet. According to the system and method, the green electricity hydrogen plasma torch is adopted for heating and ionizing hydrogen, then sponge iron is heated and reduced to produce molten iron, compared with a traditional hydrogen heating mode, the heating speed is high, the temperature is high, carbon-containing fuel is not combusted, safety and hydrogen embrittlement are achieved, compared with a traditional shaft furnace for producing sponge iron, low-quality ore can be adopted for producing molten iron, and the production cost is low. The control is convenient.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD

Electrical power generation apparatus and method

PCT designated stageWO2025210348A1Power plants using nuclear energyCosmonautic vehiclesNuclear engineeringAuxiliary power unit
A mobile fusion device (MFD) comprises three main sections: the MFD reactor (467), MFD support sub-systems (468), and the MFD support and fuel injection sub-systems (469), which are indicated by broken lines in Figure 1 The MFD reactor (467) is where the Deuterium and Tritium fuel is heated to high enough temperatures and densities and confinement times that fusion occurs, releasing neutrons that are absorbed in and heats up the 17Li-83Pb breeder blanket where more Tritium fuel is bred and where heat is transferred to Helium coolant. The MFD support sub-systems (468) houses auxiliary power units that generate electricity to power the electrical sub-systems of the MFD, and houses the MFD control computer, and where the Helium coolant is cryogenically cooled and purified, and where the 17Li-83Pb breeder blanket fluid is purified by separating and storing Deuterium fuel and Tritium fuel and Helium coolant, and where a Helium heat exchanger is located. The MFD support and fuel injection sub-systems (469) houses Deuterium and Tritium neutral beam injection plasma heating systems and a Deuterium and Tritium fuel gas puffer system and a Deuterium and Tritium fuel storage and pellet manufacturing system, and where the 17Li-83Pb breeder blanket fluid is purified by separating and storing Deuterium fuel and Tritium fuel and Helium coolant, and where a Helium heat exchanger is located, and where the Helium coolant is cryogenically cooled and purified, and houses auxiliary power units that generate electricity to power the electrical sub-systems of the MFD. The MFD is housed within a multi-layered pressurised outer containment pod MLP, which has a multi-layered pressurised rear access hatch MLH. The MFD is mounted on a sliding raft SR for ease of access.
Owner:SEWELL GARY

Preparation method and application of narrow-diameter-distribution carbon nanotubes

The invention belongs to the field of nano material preparation, and particularly discloses a preparation method and application of a narrow-diameter-distribution carbon nanotube, and the preparation method comprises the following steps: heating raw material mixed gas to 900-1500 DEG C for reaction, and introducing pulse gas in the reaction process to prepare the carbon nanotube, the raw material mixed gas contains a catalyst, a carbon source and an etching agent; the heating comprises at least two methods of plasma heating, microwave heating, silicon carbide rod heating, silicon molybdenum rod heating, resistance wire heating and electromagnetic induction heating. According to the preparation method disclosed by the invention, the high-quality narrow-diameter-distribution single-wall / double-wall carbon nanotubes can be prepared on a large scale, the single-time continuous operation time in actual production exceeds 45h, the unit yield can reach more than 190g / h, the purity of the product single-wall / double-wall carbon nanotubes is greater than 85%, the average G / D ratio is greater than 85, and the quality and the yield of the prepared carbon nanotubes are remarkably improved.
Owner:FOSHAN GRIFFIN NEW ENERGY CO LTD +1

Method for improving film thickness stability of semiconductor process equipment

The invention provides a method for improving the film thickness stability of semiconductor process equipment. The method comprises the following steps: judging whether the accumulated film thickness of a spray header reaches a preset threshold value or not, and if so, executing cleaning; the step of plasma heating is executed after cleaning is finished, the temperature of a spray header is increased through the bombardment effect of non-reactive gas plasma, and the problem that the film thickness jumps in the initial stage of cleaning is solved; when the deposition process is executed, the film thickness compensation step is executed according to the current accumulated film thickness data, the deposition time is adjusted by establishing a deposition rate attenuation model, and the problem that the film thickness is reduced under the high accumulated film thickness is solved. According to the invention, the defect of no active temperature control machine can be made up, and the film thickness fluctuation between wafers is controlled within 1%.
Owner:SHANGHAI HUALI INTEGRATED CIRCUIT CORP

Pole piece processing device and method, pole piece, battery monomer, secondary battery and power utilization device

The embodiment of the invention provides a pole piece processing device and method, a pole piece, a battery monomer, a secondary battery and an electric device, in the pole piece processing device, the pole piece comprises a current collector and a film layer arranged on the surface of at least one side of the current collector, and the device comprises a plasma heating module used for applying a plasma beam to the film layer, the power P of the plasma heating module is greater than or equal to 1kW and less than or equal to 25kW; and the conveying module is used for conveying the rolled pole piece to the plasma heating module along the feeding direction. The treatment device can improve the wettability of the pole piece and reduce the expansion rate of the pole piece.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Furnace top gas cyclic reforming process and system

The invention discloses a furnace top gas cyclic reforming process and system, and the reforming process comprises the following steps: S1, heating furnace top gas generated by a blast furnace to 1000-1200 DEG C to obtain high-temperature gas; s2, mixing the high-temperature coal gas with coal, and carrying out electromagnetic induction heating coal gas reforming reaction to generate reduced coal gas which is 900-1000 DEG C and contains CO and H2; s3, performing plasma heating on the reduced gas to 1400-1800 DEG C to obtain high-temperature reduced gas; s4, recycling the high-temperature reduction coal gas to the lower part of the blast furnace for circular treatment; according to the method, a carbon capture device of a conventional oxygen blast furnace and a top combustion type gas heating furnace and a CO2 removal device of a carbon circulation blast furnace are replaced by circular reforming of the furnace top gas, so that the energy consumption and the equipment investment of the technological process are reduced.
Owner:UNIV OF SCI & TECH BEIJING

Double-flow slab tundish with double-electrode plasma heating function

The invention discloses a double-flow slab tundish with a double-electrode plasma heating function. The double-flow slab tundish comprises a tundish body and a tundish cover arranged at the top of the tundish body, and a turbulence controller is arranged at the bottom of the tundish body; a barrage structure is arranged at one end of the interior of the tundish, and a uniflow control wall structure is arranged at the other end of the interior of the tundish. And a dual-electrode plasma heating device is arranged on the ladle cover. Single-flow pouring of the double-flow tundish is achieved, the size of a low-temperature area and the size of a dead area are reduced, slag entrapment is prevented, the temperature in the tundish is uniform, and the plasma heating efficiency is improved. And meanwhile, the tundish casting allowance is reduced.
Owner:BAOSHAN IRON & STEEL CO LTD +2

Aerosol-generating device

The invention discloses an aerosol generating device. The aerosol generating device comprises a heating body and a control circuit. The control circuit is configured to heat the heating element by a plasma pulse heating method. According to the aerosol generating device, the control circuit adopts a plasma pulse heating mode to heat the heating body. The plasma heating has the characteristic of rapid heating and cooling, so that the time delay between the heating curve and the heating power is relatively small, the temperature of the heating body can be accurately controlled, the phenomenon that the aerosol generating substrate is burnt is avoided, and the taste is ensured. And by adopting a pulse heating mode in plasma heating, the temperature fluctuation of the heating body can be controlled, the kinetic reaction in the heating process is enriched, and the taste is further improved.
Owner:SMOORE INTERNATIONAL HOLDINGS LIMITED

Chuck and semiconductor apparatus

PendingCN122396274AWaferPlasma heating
The application relates to the technical field of semiconductor equipment, in particular to a chuck and a semiconductor equipment, which comprises a chuck body, a flow channel is arranged in the chuck body, a plurality of convex parts are arranged on the surface of the chuck body for carrying a wafer, and the plurality of convex parts are arranged at intervals, a plurality of blocking parts are arranged in the chuck body, the blocking parts are arranged between the flow channel and the convex parts, and the blocking parts are arranged along the axial direction of the chuck body, the projection of each blocking part at least partially coincides with the projection of the corresponding convex part, and the thermal conductivity of the blocking parts is lower than that of the chuck body. By arranging the blocking parts below the high-thermal-conductivity regions, i.e. the convex parts, of the chuck, the blocking parts can reduce the thermal conductivity from the wafer to the chuck cooling in the corresponding local regions, thereby targetedly compensating the heat conduction difference caused by the structural difference between the direct contact area and the non-direct contact area, so that the temperature change trend under the plasma heating condition is consistent in each region of the wafer, and the uniformity of the wafer temperature is improved.
Owner:SHENZHEN SICARRIER IND MACHINES CO LTD

Waste plasma treatment device

The present invention discloses a waste plasma treatment device, which includes a furnace body, a pool body mechanism and a plasma heating mechanism. The inner lining of the furnace body is provided with a heat-insulating refractory layer, and a feeding port for continuous feeding is opened thereon. The pool body mechanism includes a material pool and a molten liquid pool arranged from top to bottom in the furnace body, and a partition plate that separates the material pool and the molten liquid pool up and down. An electric heating device is arranged in the material pool, and an overflow port is arranged on the material pool. The upper-layer molten liquid in the material pool overflows into the molten liquid pool through a drainage pipeline. The plasma heating mechanism includes multiple groups of primary plasma torches and multiple groups of secondary plasma torches. In the present invention, waste materials enter the furnace body directly through the feeding port without being crushed and fall into the material pool. The multiple groups of primary plasma torches and the electric heating device cooperate with each other to heat and melt the newly entered waste materials, and then the molten liquid is treated twice by the multiple groups of primary plasma torches and the multiple groups of secondary plasma torches, so that the residual organic matter in the molten liquid is completely oxidized and decomposed and removed.
Owner:安徽中科大禹科技有限公司

Method for controlling aerosol-generating device

The invention discloses a control method of an aerosol generating device. The control method comprises the steps that the current heating time of the plasma heating assembly is obtained; inquiring the current set output power of the plasma power supply corresponding to the current heating time of the plasma heating assembly according to a preset curve graph, wherein the preset curve graph is a corresponding relation curve graph of the heating time and the set output power; querying the set frequency of the switch corresponding to the current set output power according to a mapping relation table, wherein the mapping relation table is a mapping relation table of the set output power and the frequency of the switch; and controlling the switch to work according to the set frequency of the switch. Thus, the current set output power of the plasma power supply can be determined according to the current heating time of the plasma heating assembly, the frequency of the switch is flexibly adjusted according to the set output power determined in real time, and then the purposes of optimizing performance and reducing loss are achieved.
Owner:SMOORE INTERNATIONAL HOLDINGS LIMITED

A Rotating Mirror Driving Mechanism for a Thermonuclear Fusion Device

The present invention relates to the technical field of plasma heating, and particularly to a rotating mirror drive mechanism for a thermonuclear fusion device, which includes a housing, a first mounting bracket, a rotating member, a cooling sleeve and a driving device; the housing has a fusion chamber, the first mounting bracket is arranged in the fusion chamber, and the first mounting bracket is connected with a pin shaft for driving the rotating mirror to rotate; the cooling sleeve is arranged in the fusion chamber, and the cooling sleeve has a first mounting hole and a first cooling flow channel; the first end of the rotating member is in transmission connection with the pin shaft, and the second end of the rotating member passes through the first mounting hole and extends outside the housing; the driving device is fixed outside the housing, and the output end of the driving device is connected with the second end of the rotating member to drive the rotating member to rotate. By introducing a coolant into the first cooling flow channel, the rotating member can be cooled, the temperature of the rotating shaft is reduced, so that the operating temperature of the driving device in contact with the rotating member is reduced, and the service life of the driving device is prolonged.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES +2

System and method for electrical heat exchanger apparatus and reaction technology (e-heart)

An electrically heated apparatus for thermal processing, and methods for using same are provided. The electrically heated apparatus can include a housing having at least one inlet and at least one outlet disposed thereon, and two or more stages disposed within the housing, wherein each stage comprises one or more independently controlled internal heating elements (IC-IHEs) and / or one or more independently controlled external heating elements (IC-EHEs). Power provided to each IC-THE and / or TC-EHE can be controlled independently of one another to allow dynamic adjustment of heat or temperature profile along a length of the housing. Power to the IC-IHEs and / or IC-EHEs can derive from ohmic, resistive, induction, microwaves, electric arc, radio frequency, infrared, laser, plasma heating, or a combination thereof, and provide a source of heat.
Owner:PURDUE RES FOUND

High-temperature evaporation equipment for manufacturing nano metal powder and feeding and heating remote control system

The application discloses a feeding and heating remote control system for manufacturing nano metal powder, which comprises internet, a switch, and a server computer, and is characterized in that the system further comprises a metal material feeding device, a client APP, a single-chip microcomputer controller, a radar liquid level meter, an infrared thermometer, a high-frequency generator, a plasma power supply, and a high-temperature evaporation device; the server computer comprises CPU programming software and nano metal powder feeding and heating automatic control software; the client APP is a nano metal powder production feeding and heating remote control software, and a control interface of the client APP comprises plasma heating control, inductance heating control, furnace temperature setting, and feeding setting; the feeding setting comprises automatic feeding and manual feeding, and the automatic feeding comprises feeding amount setting and feeding frequency setting; due to the adoption of the internet and the client APP, feeding and heating intelligentization of nano metal powder production can be realized through remote control, production personnel can be saved, occupational hazards of operating personnel under high temperature can be avoided, production cost can be reduced, and the production efficiency of the nano metal powder can be improved.
Owner:HANGZHOU XINCHUAN NEW MATERIALS CO LTD

System and method for consolidating and reducing materials by using CO medium and plasma hot blast stove

The invention discloses a plasma hot blast stove consolidation reduction material system using CO as a medium. The plasma hot blast stove consolidation reduction material system comprises a plasma heating device, a consolidation reduction material device, a preheating air supply device and a cooling device. The material consolidation and reduction device comprises a preheating section, a consolidation and reduction section and a cooling section and is used for sequentially preheating, consolidating and reducing and cooling the materials, so that the materials in the form of powder pellets form target materials; the preheating gas supply device is used for conveying preheating gas generated by flue gas waste heat and material sensible heat in the consolidation reduction section according to a preset first temperature range into the preheating section and preheating the materials; the plasma heating device adopts CO as a medium to generate high-temperature CO plasma gas, and the materials in the consolidation reduction section are consolidated and reduced through the high-temperature CO plasma gas according to a preset second temperature range; and the cooling device adopts CO as a medium to generate low-temperature gas in a preset third temperature range, and conveys the low-temperature gas to the cooling section, so that a target material can be formed when the material is cooled to be less than or equal to 100 DEG C.
Owner:ZHONGCHENG CARBON ASSET MANAGEMENT (BEIJING) CO LTD

A tubular arc plasma heating test device with jetting at both ends

The present invention discloses a tubular arc plasma heating test device with jetting at both ends, which includes a rear nozzle, a rear gas mixing chamber, a rear magnetic field coil, a rear electrode, a rear electrode insulating sheet, an air inlet chamber, a front electrode insulating sheet, a front electrode, a front magnetic field coil, a front gas mixing chamber and a front nozzle. The front and rear electrode insulating sheets, the front and rear electrodes, the front and rear gas mixing chambers and the front and rear nozzles are symmetrically arranged on both sides in sequence with the air inlet chamber as the center. After the gas entering from the air inlet chamber is heated by the arc inside, it is mixed with the entering gas in the gas mixing chamber and is symmetrically ejected through the rear nozzle and the front nozzle respectively to form a rear high-temperature jet and a front high-temperature jet. The present invention improves the service life of the rear electrode and the long-time test ability of the entire tubular arc plasma heating test device. By using the high-temperature jets with completely consistent parameters such as total pressure and total enthalpy symmetrically ejected from both ends, the assessment of two identical heat protection materials or the screening of two different heat protection materials can be completed through a single test, doubling the test efficiency.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Systems, devices, and methods for electron beams for plasma heating

A long-pulse, high-power electron beam using a plasma emitter for plasma heating includes an arc plasma source, an electron optical system consisting of a system of accelerating grids, a beamline including a magnetic system for providing effective electron beam shaping, transport, and ultimately injection into a plasma confinement device of interest, a plasma generator coil, a plasma emitter coil, a lens coil, and a beam transport coil. In one embodiment, the electron beam source further comprises a beam emitter configured to provide an annular beam.
Owner:TAE TECHNOLOGIES INC

Method for direct reduction of iron ore in a shaft furnace by plasma heating and iron production by reduction

This invention proposes a plasma-heated direct reduction vertical shaft furnace and a method for reduction ironmaking. The vertical shaft furnace has a furnace body and a hopper. The furnace body includes an independent cylinder and a furnace cooling section. The independent cylinder is connected to the hopper, and hollow graphite electrodes are installed on the independent cylinder. The hollow graphite electrodes are connected to a reducing gas source device to ionize a first portion of the reducing gas supplied by the reducing gas source device and generate high-temperature ionized gas. The furnace cooling section is located below the independent cylinder and is connected to the reducing gas source device. A second portion of the reducing gas supplied by the reducing gas source device enters the furnace cooling section and is preheated by the high-temperature reduced iron therein. The preheated second portion of the reducing gas enters the independent cylinder and, together with the high-temperature ionized gas, reduces the green pellets that have entered the independent cylinder. This invention avoids the safety hazards associated with heating outside the vertical shaft furnace and the transportation of high-temperature reducing gas.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD

Multi-element alloy catalysts for hydrogen production by water electrolysis in alkaline electrolyzers, their preparation methods and applications

This invention discloses a multi-element alloy catalyst for hydrogen production via water electrolysis in an alkaline electrolyzer, its preparation method, and its application, relating to the field of catalyst technology for hydrogen production via water electrolysis. The catalyst comprises a multi-element alloy component and a rare earth metal oxide component; based on the total mass of the multi-element alloy catalyst, the mass fraction of the multi-element alloy component is 70%–99.9%, and the mass fraction of the rare earth metal oxide component is 0.1%–30%. The multi-element alloy component contains Fe, Ni, Cr, and Mn. In preparation, the above metals are first mixed in proportion, then evaporated by plasma heating and condensed with an inert gas to obtain alloy powder, which is then mixed with rare earth oxide powder. This method is simple and easily scalable. The resulting catalyst exhibits high activity and long-term operational stability in the alkaline oxygen evolution reaction, while effectively reducing material costs by utilizing inexpensive metal elements, providing a feasible technical solution for efficient and low-cost hydrogen production via water electrolysis.
Owner:XIAN THERMAL POWER RES INST CO LTD +2

Plasma external deposition device and method

The invention relates to a plasma external deposition device and method.The device comprises a rack, a microwave generator and a waveguide, the microwave generator and the waveguide are arranged on the rack, one end of the waveguide is connected with the output end of the microwave generator, and the plasma external deposition device is characterized in that a microwave end is arranged at the other end of the waveguide, and a vertically-perpendicular quartz glass tube is arranged on the near end face of the microwave end; the lower end of the quartz glass tube is communicated with a fuel gas source, a raw material spray pipe facing an opening is correspondingly arranged at the opening in the upper end of the quartz glass tube, a preform rotating chuck device is arranged on the rack corresponding to the opening in the upper end of the quartz glass tube, and the preform rotating chuck device or the microwave generator is connected with a reciprocating mechanism. By adopting the microwave plasma heating system with higher frequency, the energy coupling efficiency is improved, and the miniaturization of equipment is also realized. The material is fed from the outside of the plasma torch, and the silicon-fluorine raw material directly acts on the preform for radio-frequency plasma deposition, so that the utilization rate of the raw material and the deposition rate are improved. The device is reasonable in arrangement and compact in structure, the refractive index of the deposition layer can be accurately controlled, and the uniformity of the deposition layer is improved.
Owner:YOFC QUARTZ MATERIALS (EZHOU) CO LTD

Method for controlling aerosol-generating device and aerosol-generating device

The invention discloses a control method of an aerosol generating device and the aerosol generating device. The control method of the aerosol generating device comprises the following steps: acquiring a corresponding relation between heating power and output voltage of a plasma heating body; judging the heating stage of the plasma heating body; when the plasma heating body is in the first heating stage, first target output voltage of the plasma heating body is determined according to first target heating power of the first heating stage and the corresponding relation; when the plasma heating body is in a second heating stage, second target output voltage of the plasma heating body is adjusted and controlled through PID based on second target heating power of the second heating stage; wherein the first target heating power is greater than or equal to the second target heating power. Therefore, in the arcing stage, the output voltage can quickly reach the breakdown voltage, and after arcing, continuous discharge can be realized, so that the risk that the insulating material is broken down is reduced, and the reliability of the plasma heating body is improved.
Owner:SMOORE INTERNATIONAL HOLDINGS LIMITED

Plasma coking device

The utility model discloses a plasma coking device, which comprises: a coking main body, which comprises a carbonization chamber and a combustion chamber which are mutually independent, the carbonization chamber is internally provided with a first plasma heating assembly, and the first plasma heating assembly is used for heating blended coal in the carbonization chamber to generate raw coke oven gas; the coal gas condensation and purification assembly is communicated with the carbonization chamber through a first pipeline and is used for cooling tar in the raw coke oven gas to form purified coal gas. Plasma heating is adopted, the heating efficiency is high, temperature control is accurate, and the coking quality and the production efficiency can be improved. And meanwhile, the raw gas is treated through the gas condensation purification and plasma desulfurization assembly, so that the emission of pollutants is reduced, and better environmental protection benefits are achieved. Moreover, the desulfurized coal gas is combusted in the combustion chamber, so that the cyclic utilization of energy is realized, and the energy utilization rate is improved.
Owner:HEBEI CNC RISUN ENERGY LTD

Alumina powder preparation system and method based on plasma heating and chlorination process

The invention discloses an aluminum oxide (Al2O3) powder preparation system and method based on a plasma heating and chlorination method, and solves the problems of insufficient reaction temperature, dependence on an external heat source, scabbing and agglomeration and the like in a traditional method. The system comprises an AlCl3 preheating sublimation device, a plasma torch, a Laval nozzle, a negative pressure chamber, a Venturi nozzle reactor, a cooling separation device and a tail gas treatment device. Through the synergistic effect of plasma heating and supersonic airflow, efficient oxidation of AlCl3 is realized, scabbing is inhibited, and aluminum oxide powder with high purity and narrow particle size distribution is continuously produced. The innovation points are that plasma-supersonic speed cooperation improves the product quality and efficiency, negative pressure material guiding reduces the blocking risk, the crystal form is controllable, and the cooling design reduces the production cost. The nano alpha-Al2O3 and submicron gamma-Al2O3 powder meeting the requirements in the fields of electronics, ceramics, catalysts and the like is successfully prepared.
Owner:HENAN ZHONGZHUAN NEW MATERIAL CO LTD +3

Semiconductor processing tool and methods of operation

Example implementations described herein include a laser source and associated methods of operation that can balance or reduce uneven beam profile problem and even improve plasma heating efficiency to enhance conversion efficiency and intensity for extreme ultraviolet radiation generation. The laser source described herein generates an auxiliary laser beam to augment a pre-pulse laser beam and / or a main-pulse laser beam, such that uneven beam profiles may be corrected and / or compensated. This may improve an intensity of the laser source and also improve an energy distribution from the laser source to a droplet of a target material, effective to increase an overall operating efficiency of the laser source.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Plasma heating dryer

A plasma heating dryer belongs to the technical field of dryers. The utility model solves the problems of low heat utilization rate and low heat efficiency of the dryer caused by heat loss during operation of a heat source, heat exchange heater heat preservation and waste heat utilization of the traditional dryer. The device comprises a roller tunnel, an air exhaust end, a heat exchange power part, a heat energy transmission part and an air inlet distribution part, the input end of the roller tunnel is connected with the heat energy transmission part, the output end of the roller tunnel is connected with the air exhaust end, and the heat exchange power part is connected between the air exhaust end and the heat energy transmission part. An air inlet distribution part is connected between the heat energy transmission part and the roller tunnel, and the heat exchange power part is arranged below the roller tunnel. According to the plasma heating dryer, the utilization efficiency of a heat source is improved, energy consumption is reduced, and the heating efficiency is improved.
Owner:HEILONGJIANG JIAYUEDA WASHING TECHNOLOGY CO LTD

Three-stage composite kiln for preparing spherical alumina

The application discloses a three-section composite kiln for preparing spherical alumina, which comprises an infrared preheating section, a microwave medium-high temperature phase conversion section and a plasma heating section which are sequentially and tightly connected; the microwave medium-high temperature phase conversion section is connected with the infrared preheating section and the plasma heating section through a first microwave energy suppressor, and the microwave medium-high temperature phase conversion section is connected with the plasma heating section through a second microwave energy suppressor, so as to protect the safety of the operators of the equipment; the infrared preheating section, the microwave medium-high temperature phase conversion section and the plasma heating section are sequentially connected to form the main body of the three-section composite kiln for preparing spherical alumina; the infrared preheating section is used as a pretreatment section and is used for drying and dehydrating alumina raw materials; the microwave medium-high temperature phase conversion section is used as a crystal phase conversion section and is used for converting alumina from a gamma phase to an alpha phase through microwave radiation; and the plasma heating section is used as a spherical shaping section and is used for spherical shaping of molten alumina particles through gas suspension turbulent flow.
Owner:HENAN PHOTOSYNTHETIC NEW ENERGY TECHNOLOGY CO LTD +1

Hydrogen production and carbon sequestration via high temperature cracking of natural gas in an inductively heated fluidized carbon particle bed

Embodiments of the invention relate to systems and methods for cracking hydrocarbons into hydrogen gas and carbon using heating of a fluidized bed. The systems and methods utilize electrically conductive carbon or graphite particles as a fluidized bed material for heating hydrocarbon feedstock to at least a pyrolysis temperature. The electrically conductive carbon, graphite, or other particles may be heated by electrically powered sources that include induction heating, microwave heating, millimeter wave heating, joule heating and / or plasma heating. Combustion heating may also be employed in varying amounts with varying combinations of electrically powered heating sources.
Owner:INENTEC INC

System and method for producing metallized pellets based on plasma heating

The application relates to the technical field of metallized pellets, and provides a system and a method for producing metallized pellets based on plasma heating, the system comprising a methane gas cabinet, a plasma exciter, a filtering chamber, a collecting chamber, a smoke hood, a reduction unit and a flue gas treatment station; the methane gas cabinet, the plasma exciter, the filtering chamber, the collecting chamber and the smoke hood are sequentially connected; high-temperature flue gas enters the reduction unit through the smoke hood to reduce the pellets. The method comprises the following steps: nitrogen replacement in a front gas replacement chamber; methane gas is sent into the reduction unit after plasma excitation; the pellets are reduced into metallized pellets; nitrogen replacement in a rear gas replacement chamber; flue gas recycling treatment and nitrogen and methane recycling. The method can obtain energy while treating methane, compared with a traditional gas-based shaft furnace, a large amount of external heating is reduced, and carbon emission can be reduced by more than 80%; meanwhile, the phenomenon of carbon deposition in the traditional reaction process is prevented, so that the furnace lining is protected, and the service life is prolonged.
Owner:UNIV OF SCI & TECH BEIJING +1

Plasma heating tundish cover structure of tundish

The tundish plasma heating tundish cover structure comprises the tundish cover body and the electrode holes formed in the tundish cover body, and the electrode holes can provide installation positions for electrodes, so that the tundish cover body can meet the requirements of the tundish plasma heating technology, meanwhile, the tundish baking function and the molten steel heating function are considered, and the tundish plasma heating effect is improved. According to the tundish plasma heating ladle cover structure, the motor insertion adjusting time of molten steel in a furnace is saved, the installation position can be provided for the electrode, and the technical requirement for tundish plasma heating can be met.
Owner:WUHU XINXING DUCTILE IRON PIPES

A method and device for adjusting circuit operating parameters

The present invention discloses a method and device for adjusting circuit operating parameters. The method includes: obtaining the initial circuit operating parameters of a device using plasma heating; inputting the initial circuit operating parameters into a preset first model to calculate plasma stability and system energy consumption, obtaining the initial stability value and the initial system energy consumption value of the circuit; taking the initial circuit operating parameters as the initial position parameters of each particle, performing fitness calculation according to the initial position parameters, the initial stability value, the initial system energy consumption value, the first model and a preset particle swarm optimization algorithm, obtaining the target circuit operating parameters that maximize the plasma stability value and minimize the system energy consumption value; and adjusting the initial circuit operating parameters to the target circuit operating parameters. This solution can dynamically adjust the working parameters of the boost circuit through the preset particle swarm optimization algorithm, significantly improve the stability of the plasma, reduce energy consumption, and improve the working efficiency of the device using plasma heating.
Owner:SHENZHEN TERRA MAESTRO TECHNOLOGY CO LTD