high frequency induction plasmatron
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High-frequency induction plasmatron
Rydkin Maxim
“Thermal physics”
master of science course, first year
Introduction
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Liquid
Solid
Gas
Plasma
Social image of matter states
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Plasma = partially or fully ionized gas, which shows collective behavior
Definitions
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Plasma = partially or fully ionized gas, which shows collective behavior
Plasmatron = plasma generator
Definitions
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Plasmatron classification
Electrodeless plasmaElectrode plasma
Technical (low-temperature) plasma
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Plasmatron classification
Electrodeless plasmaElectrode plasma
Technical (low-temperature) plasma
gas
2nd electrode1st electrode
arc
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Plasmatron classification
Electrodeless plasmaElectrode plasma
Technical (low-temperature) plasma
gas
2nd electrode1st electrode
arc
- Higher durability
No electrode erosion
- Pure plasma
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Plasmatron classification
Electrodeless plasma
ICP(inductively coupled plasma)
CCP(capacitively …)
Other(laser …)
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Plasmatron classification
HF SHF
Temperature(1 atm.)
Current frequency
7000 – 11000 K
ICP(inductively coupled plasma)
60 kHz – 60 MHz 900 MHz – 5 GHz
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inductor
HFgenerator
HF induction plasmatron (scheme)
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Electromagnetic transformations
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Electromagnetic transformations
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Non-flow stationary discharge (energy balance)
Foucaultcurrents
E/m energy
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Non-flow stationary discharge (energy balance)
Foucaultcurrents
E/m energy
Joule heat
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Non-flow stationary discharge (energy balance)
Foucaultcurrents
E/m energy
Joule heat
Ionization energy(discharge maintaining)
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E/m energy
Joule heat
Ionization energy(discharge maintaining)
Heat transfer(mainly, through walls)
Non-flow stationary discharge (energy balance)
Foucaultcurrents
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inductor
HFgenerator
Non-flow stationary discharge
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plasma-forming gas
inductor
HFgenerator
Stationary discharge in flow
plasma jet
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plasma-forming gas
chamberinductor
HFgenerator
plasma jet
HF induction plasmatron (scheme)
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Water-cooled quartz chamber
Chamber types
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Water-cooled quartz chamber
Metal slotted chamber
Chamber types
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Water-cooled quartz chamber
Porous quartz/ceramic chamber
Metal slotted chamber
Chamber types
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Induction plasmatron (scheme)
plasma-forming gas
chamberinductor
HFgenerator
gas stabilization(shielding gas)
plasma jet
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Gas stabilization
Axial Vortex
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Gas stabilization
Axial Vortex
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Applications
Plasma tool Welding
Cutting
Deposition of refractorymaterials (W, Mo, …)
Boring
Surface treatment
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Applications
Plasma tool
Reduction of purematerials from theiroxides and chlorides
(Ta, Ti, Ge, U…)
Plasmachemicalreactor
TiO2 production
Spheroidizing
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Applications
Plasma tool
Plasmachemicalreactor
Metallurgicalplasmatrons
Metal refining
Dispersed materialsproduction
Monocrystal materialsproduction
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Applications
Plasma tool
Plasmachemicalreactor
Metallurgicalplasmatrons
Plasmaburner (torch)
Incineration of garbage
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Applications
Plasma tool
Plasmachemicalreactor
Metallurgicalplasmatrons
Plasmaburner (torch)
Plasmatronsfor R&D
Study of:- aerodynamics processes
- thermal physics processes
Spectral analysis(ICP spectroscopy)
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Thanks for your attention!
Questions & answers session