163 results about "Plasma torch" patented technology

A plasma torch assembly 70 comprises a plurality of plasma torch apertures. Each of these plasma torch apertures is adapted to receive a plasma torch 71, 72 and 73. The plasma torch assembly 70 also c

An apparatus may include a bracket having a post-tensioned cable tunnel and a pair of tabs configured to receive a post-tensioned cable and to prevent rotation of the bracket relative to the post-tensioned cable. An apparatus may include a plasma torch attachment member configured to releasably engage with the head of a plasma cutting torch of the type having a plasma cutting tip attached thereto, and to rotatably attach to the bracket such that the plasma cutting tip may be moved in an arc relative to the post-tensioned cable.

The invention relates to a sample analysis system. The sample analysis system is provided with a lens demisting device. The sample analysis system includes a plasma torch device (200) including a body defining a plasma chamber (202) and a plasma torch (201) supported by the body in the plasma chamber (202). The plasma torch (201) is electrically coupled to a power source and is operable to form a plasma from the sample fluid in the plasma chamber (202) when energized. The sample analysis system also includes a spectrometer (300) configured to analyze the plasma to measure an analyte of interest in the sample fluid by light emitted by the plasma. The spectrometer (300) comprises a collector tube (301) in visual communication with the plasma chamber (202), the collector tube (301) comprising a proximal end and a distal end, the distal end being equipped with a lens (302) configured to collect light emitted by the plasma. The light collecting tube (301) is at least partially inserted into the central passage (616) of the gas hood (610) such that the distal end of the light collecting tube (301) with the lens (302) is at least partially enclosed by the gas hood (610). A distal end (612) of the gas hood (610) includes a gas outlet port (619) and a gas inlet port (618) fluidly coupled with a source of pressurized gas, the gas hood configured to discharge a stream of gas across an exposed surface of the lens (302) to at least minimize fogging of the lens (302).

The utility model provides a plasma torch and a plasma furnace for disposing radioactive wastes, and aims to solve the technical problem of radioactive leakage when a cathode is replaced midway. The plasma torch comprises an anode tube which is internally provided with an anode material, one end of the anode tube is a nozzle, the other end of the anode tube is a connecting part, and the connecting part is provided with a working gas channel; one end of the cathode rod is movably arranged in the connecting part, the cathode rod is made of a cathode material, and a gap exists between the end part of the cathode rod and the anode material; the driving end of the driving part is in power connection with the cathode rod, and the driving part is used for driving the cathode rod to move into the anode tube; the cathode of the plasma power supply is electrically connected with the cathode rod, and the anode is electrically connected with the anode material; and the output end of the working gas supply device is communicated with the working gas channel. According to the plasma torch, the cathode rod is made to move in the connecting part through the driving piece, the distance between the cathode rod and the anode material is reduced, and therefore radioactive leakage caused by cathode material replacement is avoided.

A method for processing a substrate includes loading the substrate on a substrate holder coupled to a scanning tool and disposed in a processing chamber, the substrate including an etch mask disposed over an underlying layer. The method further includes orienting, using the scanning tool, the substrate holder relative to a plasma torch at a tilt angle, the plasma torch being disposed in the processing chamber and including a plasma nozzle, the tilt angle being an angle between the plasma torch and a normal direction of the substrate holder. And the method further includes generating, using the plasma torch, a plasma jet over an area of the substrate holder, and scanning, while maintaining a distance between an end of the plasma nozzle and a surface of the substrate, the substrate relative to the plasma jet to form features on the underlying layer at the tilt angle.

The invention discloses a system for hydrogen production and carbon production through methane cracking synergistically enhanced by plasma. The system comprises a gas source, a cracking reaction bin and a plasma torch, a double-layer stainless steel sleeve catalytic carrier is arranged in the cracking reaction bin, the double-layer stainless steel sleeve catalytic carrier comprises an inner-layer sleeve and an outer-layer sleeve, through holes with the aperture of 5-10 microns are distributed in the inner-layer sleeve, and through holes with the aperture of 20-50 microns are distributed in the outer-layer sleeve; the inner wall of the inner-layer sleeve is coated with a catalytic coating; the gas source provides and conveys methane gas into the cracking reaction bin; and the direct-current plasma torch conveys high-temperature plasma into the double-layer stainless steel sleeve catalytic carrier. A double-layer porous stainless steel sleeve is constructed in a plasma reaction cracking bin to serve as a catalytic carrier to load a catalytic coating, and a deep coupling structure of plasma cracking and catalytic cracking is constructed; and efficient conversion of methane and synchronous preparation of a high-added-value carbon material and high-purity hydrogen energy are realized.

The invention relates to the use of at least one plasma torch in combination with at least one microwave generator for heating during the production and / or thermal treatment of inorganic raw materials and / or products, in particular during the thermal treatment, sintering or melting of inorganic raw materials or the production, sintering or thermal post-treatment of ceramics, refractory ceramics, technical ceramics, construction ceramics, glass, cement, metals, composite materials or carbon-containing or carbon-bonded products, a method using at least one plasma torch in combination with at least one microwave generator and a device for the production and / or thermal treatment of inorganic raw materials and / or products.

The utility model relates to the technical field of powder manufacturing, in particular to a device for preparing powder for additive manufacturing through multi-wire plasma atomization, which comprises a machine body and a plasma torch, the machine body is provided with a working cavity and a mounting groove communicated with the working cavity, a mounting block is inserted in the mounting groove, and the plasma torch is arranged in the mounting groove. The plasma torch is arranged on the installation block, the plasma torch is arranged in the working cavity and used for atomization, the plasma torch can penetrate through the installation groove, and an assembling assembly is arranged between the machine body and the installation block and used for assembling the installation block on the machine body. The atomization device has the effect of improving the disassembly convenience of the atomization mechanism.

The invention relates to the technical field of smelting, and discloses a method for preparing carbide slag from titanium-containing blast furnace slag based on a multi-physical field synergistic effect, which comprises the following steps: continuously introducing molten titanium-containing blast furnace slag obtained in a blast furnace process into a reactor; in the reactor, generating a high-temperature cavity in a slag layer through the synergistic effect of a plasma torch immersed in the slag and an external rotating magnetic field; carbon-containing gas is injected into the high-temperature cavity, and a laser beam penetrating through the slag layer is synchronously emitted so that the local temperature in the high-temperature cavity can reach the preset temperature; a vapor deposition carbonization reaction of the titanium oxide is completed in the high-temperature cavity to generate titanium carbide; and carrying out gradient cooling and gravity separation on the reacted slag, and recovering a titanium carbide enriched slag layer. The flash selective gas phase carbonization of the titanium oxide is realized by introducing the dual-energy field synergistic effect of the high-frequency pulse plasma torch and the high-energy focused laser beam, and the reaction time is effectively shortened.

The invention relates to the technical field of hydrogen production, and discloses a low-temperature plasma hydrogen generator which comprises an induction high-frequency oscillation transformer and a hydrogen generation reactor, and the induction high-frequency oscillation transformer comprises a transformer base, a primary winding coil, a magnetic steel sheet, a secondary winding coil and an output terminal. According to the low-temperature plasma hydrogen generator, water vapor is generated after a primary winding coil is connected with a 380V alternating current power supply and industrial pure water is injected into a secondary winding coil, the water vapor enters a reactor tank body, and an output terminal supplies power to a plasma torch; part of industrial pure water entering from the water input port at the bottom is instantly cracked into hydrogen and oxygen by the plasma torch, and the part of hydrogen and oxygen are subjected to catalytic cracking reaction with water vapor input from the induction evaporator under the action of the plasma torch, so that more hydrogen and oxygen are produced; as the electromagnetic induction and the plasma discharge effect are combined, the energy consumption is lower than that of the traditional water electrolysis hydrogen production equipment.

A plasma torch is provided with a snap-fit connection device for an electrode and comprises at least one electrical power supply means (3) for the electrode (5). The device (1) comprises a first connection element (9) and a second connection element (11) mutually fixable and detachable in a reversible and repeatable manner to place them (9, 11) in mutual mechanical and electrical connected (F) and disconnected (S) conditions. One of such first (9) or second (11) connection elements is attached to a distal end of the power supply means (3) and the other (11, 9) is attached to a proximal end of the electrode (5).

This invention provides a method and apparatus for preparing nano-tin oxide powder using a liquid tin-feed plasma device. The method includes: S1: heating and melting tin raw material into liquid tin; S2: using a working gas excited by a high-frequency electromagnetic field of a plasma generator to form a high-temperature plasma torch, atomizing and breaking the liquid tin into micron-sized continuous fine streams through a nozzle, which are then injected at high speed into the plasma glow core region for further vaporization into tin vapor; S3: using the working gas to carry the tin vapor and reacting with simultaneously introduced oxygen to generate tin oxide aerosol; S4: the aerosol undergoing staged quenching to form nano-tin oxide powder. This invention utilizes high-frequency plasma equipment to directly vaporize and oxidize molten metallic tin to prepare nano-tin oxide (SnO2) powder. This method is simple, efficient, and has the potential for industrial-scale production, resulting in uniform particle dispersion and resistance to agglomeration.

This invention discloses a preparation process for high-carbon ferrochrome based on plasma spheroidization technology, belonging to the field of powder metallurgy. The process involves crushing and ball milling high-carbon ferrochrome blocks to obtain pre-formed powder, adding tannic acid, urea, nickel acetate tetrahydrate, and citric acid for coating, followed by spray drying. After pre-reduction carbonization in an argon-hydrogen atmosphere, the powder is then spheroidized using a radio frequency inductively coupled plasma torch. In-situ nanostructure growth is achieved in a mixed atmosphere of argon, hydrogen, and acetylene. Nickel acetate is reduced to catalytically active elemental nickel nanoparticles under the action of hydrogen and carbon monoxide. The powder is then cooled, graded, and inertly encapsulated to obtain a high-sphericity, low-oxygen-content, high-carbon ferrochrome-based core-shell structured spherical powder. The process flow of this invention is continuous and controllable, effectively improving powder flowability, bulk density, hardness, and corrosion resistance, and is applicable to additive manufacturing, thermal spraying, and powder metallurgy forming.

A method for the production of hydrogen gas comprising (i) providing a DC electrical power supply, (ii) providing a plasma reactor with chamber 105, plasma torch 135 with a plasma cathode extending in

The invention relates to a plasma torch installation (1) comprising a torch chamber (10) capable of containing an active electrode, an introduction chamber (20) extending along a longitudinal axis (A) and allowing the introduction of an additional electrode, and a transit device (30) for moving an additional electrode from the introduction chamber to the torch chamber. The introduction chamber comprises a sealed wall (21), the sealed wall comprising an inlet (211) and an outlet (212) forming two openings in the wall, and the inlet comprises a first shut-off member (2111) and the outlet comprises a second shut-off member (2121) that are configured to respectively close the inlet and the outlet of the introduction chamber in a sealed manner. Transit elements for the additional electrode and a possibility of storing a plurality of additional electrodes in the introduction chamber are presented.

The invention discloses an improved water-cooled plasma spray gun system for wire / powder synchronous spraying. The improved water-cooled plasma spray gun system comprises a plasma spray gun; the insulating base plate is arranged on one side of the plasma spray gun, and the insulating base plate can transversely move relative to the plasma spray gun; the water cooling bracket is arranged on one side, opposite to the plasma spray gun, of the insulating base plate, and the water cooling bracket can rotate relative to the insulating base plate; the water-cooling wire feeding device is detachably arranged at one end of the water-cooling support, and the water-cooling wire feeding device is selectively arranged opposite to the jet flow of the plasma spray gun; wherein the transverse movement of the insulating base plate and the rotation of the water-cooling bracket can be adjusted at the same time. The method has the characteristics that the adjustment process of the metal wire is optimized, the operation efficiency is improved, and the air cooling effect is remarkably improved.

The invention relates to the technical field of welding, in particular to a plasma welding machine for steel pipe cutting, which comprises an operating table, a first sliding seat and a second sliding seat are slidably arranged at the upper end of the operating table, a plurality of groups of fixing plates are slidably arranged in the first sliding seat and the second sliding seat, and an annular sliding rail is mounted at the center of the upper end of the operating table. Two sets of plasma welding machines slide in the annular sliding rail, air exhaust grooves are formed in the two sides of the first sliding seat and the two sides of the second sliding seat correspondingly, and one end of each air exhaust groove communicates with an exhaust fan. Argon acts on the welding position, a local inert protection atmosphere is formed, contact between air and the welding area is effectively reduced, the welding quality is improved, and the welding quality is improved. Welding defects such as oxidation and air holes are reduced, the compactness and mechanical property of a welding seam are improved, meanwhile, argon is controlled to be conveyed only during welding through sliding of the second baffle, the consumable cost is reduced, argon is prevented from diffusing around the device, and potential safety hazards caused by too high local argon concentration are prevented.

The utility model discloses an electrical control device of a plasma torch testing device. The electrical control device comprises a control module and a power supply module. The control module is connected with the first testing mechanism and the second testing mechanism. The power supply module comprises a first control switch and a second control switch, one end of the second control switch is connected in series with the other end of the first control switch; the input end of the direct-current power supply is connected with the other end of the second control switch; the control module power supply circuit is electrically connected with the output end of the direct-current power supply; the first to-be-tested plasma torch power supply circuit is electrically connected with the other end of the first control switch; the second to-be-tested plasma torch power supply circuit is electrically connected with the other end of the first control switch; the first test mechanism power supply circuit is electrically connected with the output end of the direct-current power supply; and the second test mechanism power supply circuit is electrically connected with the output end of the direct-current power supply. The control module and the power supply module are arranged to realize the electrical control of the plasma torch testing device, and the safety is improved through the hierarchical control switch.

The invention discloses a frequency conversion linkage control system of energy-saving semiconductor waste gas washing equipment, which comprises a waste gas treatment unit, an auxiliary power unit, a frequency conversion driving module, a sensor network and an intelligent control unit, and is characterized in that the waste gas treatment unit comprises a plasma reaction cavity and a washing tower, and a plasma torch is arranged in the plasma reaction cavity; the auxiliary power unit comprises a fan and a circulating water pump; the variable-frequency driving module is electrically connected with the fan and the circulating water pump; the sensor network comprises a component sensor, a flow sensor and a pressure sensor; a fuzzy PID control algorithm is arranged in the intelligent control unit, and the intelligent control unit is electrically connected with the sensor network, the variable frequency driving module and the waste gas treatment unit. The system has the beneficial effects that through multi-parameter real-time monitoring and multi-unit cooperative control, dynamic and accurate matching of the waste gas treatment capacity is achieved, and system energy consumption and washing liquid consumption are remarkably reduced. The system has self-learning and predictive adjusting capabilities and adapts to complex and changeable semiconductor waste gas working conditions.

The invention discloses a water-cooled plasma spray gun system for long-time efficient wire / powder spraying. The water-cooled plasma spray gun system comprises a plasma spray gun; the insulating plate is detachably arranged on one side of the plasma spray gun, and the insulating plate can rotate relative to the plasma spray gun; the water cooling support is detachably arranged on the other side, opposite to the plasma spray gun, of the insulating plate, and the water cooling support can transversely move relative to the insulating plate; and the wire feeding device is detachably arranged at one end of the water cooling support, and the wire feeding device is selectively arranged opposite to the jet flow of the plasma spray gun. The device has the characteristics that the position of the metal wire can be conveniently corrected, the low-temperature state of the wire feeding structure is effectively guaranteed, and the spraying efficiency is improved.

The application discloses a model prediction control-based temperature control system and method of a plasma incinerator, and the system comprises a model prediction control module, a chromatographic temperature detector and a plasma torch; the model prediction control module is used for constructing a prediction model and obtaining a control output of a plasma incinerator hearth temperature based on the prediction model; the chromatographic temperature detector is used for measuring a temperature value of the plasma incinerator hearth and feeding back the temperature value to the model prediction control module; the model prediction control module is further used for correcting the control output based on the temperature value to obtain a next-time prediction output of the plasma incinerator hearth temperature; and the plasma torch controls the opening degree based on the control output to complete temperature control. The application can guarantee that the hearth temperature of the plasma incinerator is in a stable state during combustion, effectively suppresses the generation of harmful flue gas, realizes energy saving and emission reduction, and has high practicability.

The invention belongs to the technical field of aluminum-based composite material preparation, and particularly discloses a method for preparing an aluminum-based composite material through plasma-assisted smelting. The method comprises the following steps: heating and melting pure aluminum or aluminum alloy to obtain a melt; argon is conveyed into a reaction cavity of the plasma torch, voltage is applied to ionize the argon into plasma, and a plasma jet is formed and enters a temperature control device; the reinforcement particles are input into a temperature control device in a gas-solid two-phase flow mode to make contact with and be mixed with the plasma jet flow, and a plasma / argon / reinforcement particle three-phase mixed jet flow is formed; the temperature of the three-phase mixed jet flow is regulated and controlled, and the three-phase mixed jet flow is introduced into the melt through a guide pipe to act on the melt; and the melt is subjected to slagging-off treatment and then is poured into a blank, and the aluminum-based composite material is obtained. According to the method, argon plasma and reinforcement particle gas-solid two-phase flow are utilized to form three-phase mixed jet flow to act on the aluminum alloy melt, and the aluminum-based composite material which is clean, uniform in dispersion, good in interface bonding and remarkably improved in performance is prepared.

The utility model provides an organic waste plasma pyrolysis and cracking integrated device, relates to the technical field of garbage resource utilization, the organic waste plasma pyrolysis and cracking integrated device comprises a box shell, a plasma torch, a pyrolysis mechanism and a feed pipe, a cracking chamber is formed in the box shell, a hydrogen outlet is formed in the box shell, and the plasma torch is arranged in the cracking chamber. The hydrogen outlet is communicated with the cracking chamber; the plasma torch is arranged on the box shell, and the output end of the plasma torch is located in the cracking chamber; the pyrolysis mechanism comprises a pyrolysis chamber arranged in the cracking chamber and an exhaust pipe, one end of the exhaust pipe is communicated with the pyrolysis chamber, the other end of the exhaust pipe protrudes out of the box shell, a sealing plug is connected to the exhaust pipe, the exhaust pipe is further communicated with a gas guide pipe, and the other end of the gas guide pipe is communicated to the plasma torch; one end of the feeding pipe is communicated with the pyrolysis chamber, and the other end is connected with a feeding furnace door. The pyrolysis chamber is arranged in the cracking chamber, the high-temperature environment in the cracking chamber is fully utilized, and the high temperature in the cracking chamber can directly act on the pyrolysis chamber, so that the pyrolysis process is more efficient, the heat loss is reduced, and the energy consumption is reduced.

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

The invention discloses a direct-current arc water vapor plasma torch waste treatment system which comprises a waste water vapor generating unit, a plasma torch unit, a waste water vapor generating unit, a waste water vapor generating unit, a waste water vapor generating unit, a waste water vapor generating unit, a waste water vapor generating unit, a waste water vapor generating unit, a waste water vapor generating unit and a waste water vapor generating unit, the cooling water unit is configured to provide circulating cooling water for the plasma torch unit; and the plasma torch unit is configured to ionize the high-temperature water vapor generated by the waste water vapor generation unit and generate stable high-temperature jet flow. The problem that the nitrogen / air plasma torch releases high-concentration nitrogen oxide pollutants can be avoided, the waste water is used as a source item, stable water vapor high-temperature jet flow can be formed after the waste water is treated, and the treatment requirements of different types of waste can be met. The system provided by the invention is simple and reliable in equipment and low in cost; the operation method is simple and high in automation degree.

The utility model relates to a compressed waveguide cavity type microwave plasma torch, comprising an input waveguide, the input end of which is provided with a front end interface, and the input end of the input waveguide is connected with a microwave generating device through the front end interface and is used for inputting microwaves; the input end of the tapered waveguide is connected with the output end of the input waveguide, and the tapered waveguide is used for compressing microwaves and generating standing waves at the output end; the first air inlet is connected with the side wall of the input waveguide at a set angle; the second air inlet is connected with the side wall of the tapered waveguide at a set angle; the input end of the reaction waveguide is connected with the output end of the tapered waveguide, the output end of the reaction waveguide is connected with the input end of the connection waveguide, and the output end of the connection waveguide forms a flame ejection port. According to the utility model, the plasma torch can be stably formed in the fixed area in the waveguide cavity in the microwave transmission process without depending on any traditional plasma torch constraint structure.

This utility model relates to a calibration device for an ICP emission spectrometer, which includes a plasma torch. The calibration device includes: a light source emitting a first emitted light; a collimation module collimating the first emitted light to form a second emitted light containing a collimated beam; a switchable beam splitter converting the second emitted light into axial and / or radial optical paths; a first lens assembly optically processing the axial optical path to match the axial emitted light of the plasma torch; and a second lens assembly optically processing the radial optical path to match the radial emitted light of the plasma torch. This calibration device introduces controllable optical signals into the original optical path without altering the internal optical structure, thereby generating a plasma equivalent light field to simulate the spatial position and beam distribution characteristics of axial and radial plasma emission.

The present invention relates to a process for preparing a mineral melt in a cupola furnace that comprises a plasma torch that heats mineral material and waste or recycled mineral material to form the melt, wherein the waste or recycled mineral 5 material is introduced into the furnace through a waste inlet located in the side wall of the furnace hot zone.

The invention relates to the technical field of chemical defense, in particular to a method for measuring the content of copper and manganese in a Hopcalite agent. The method comprises the following steps: performing acid decomposition on a sample, filtering into a solution, introducing a plasma torch flame, exciting a copper element in the solution to emit a characteristic spectral line (wavelength of 324.754 nm) of the copper element and exciting a manganese element in the solution to emit a characteristic spectral line (wavelength of 260.569 nm) of the manganese element under the high-temperature action of plasma, and determining the concentration of the copper element according to the direct proportion relation between the spectral line intensity and the concentration of the solution. The contents of copper and manganese elements can be solved; the method is simple and convenient to operate, accurate and reliable, high in practicability and easy to implement. By measuring the contents of copper and manganese in the Hopcalite, the conversion rate of the preparation raw materials of the Hopcalite can be calculated, so that technical guidance is provided for production and process improvement of the Hopcalite.

This invention discloses a harmless treatment device and method for SF6 waste gas degradation using atmospheric pressure microwave plasma. The device includes a plasma generator, a plasma reactor, a tail gas treatment device, and a gas distribution system. The gas distribution system is connected to the plasma generator, mixing SF6 with an auxiliary gas and transmitting the mixture to the plasma generator for ionization to obtain a plasma torch. The plasma torch is then ejected into the plasma reactor in the desired direction. A porous active solid material within the reactor contacts and is heated. The porous active solid material spontaneously reacts with molecules / ions in the plasma torch, generating solid reactants and non-alkaline tail gas, which undergo a secondary reaction to achieve harmless treatment. This invention solves the technical problems of low flow rates and difficulty in suppressing harmful byproducts in related technologies for SF6 degradation, achieving convenient, efficient, reliable, and low-cost degradation treatment of SF6 waste gas.