Plasma torch

A plasma torch (also known as a plasma arc, plasma gun, plasma cutter, or plasmatron) is a device for generating a directed flow of plasma.[1][2][3]
The plasma jet can be used for applications including
Types
Transferred vs. non-transferred
There are two types of DC torches: non-transferred and transferred. In non-transferred DC torches, the electrodes are inside the body/housing of the torch itself (creating the arc there). Whereas in a transferred torch one electrode is outside (and is usually the conductive material to be treated), allowing the arc to form outside of the torch over a larger distance.
A benefit of transferred DC torches is that the plasma arc is formed outside the water-cooled body, preventing heat loss—as is the case with non-transferred torches, where their electrical-to-
The quality of plasma produced is a function of density (pressure), temperature and torch power (the greater the better). With regards to the efficiency of the torch itself—this can vary among manufacturers and torch technology; though for example, Leal-Quirós reports that for Westinghouse Plasma Corp. torches "a thermal efficiency of 90% is easily possible; the efficiency represents the percentage of arc power that exits the torch and enters the process".[7]
Thermal plasma DC torches, non-transferred arc, hot cathode

In a DC torch, the
For example, a research plasma torch at the Institute of Plasma Physics (IPP) in Prague, Czech Republic, functions with an
Furthermore, the flow-rate of the carrier gas can be raised to promote a larger, more projecting plasma jet, provided that the arc current is sufficiently increased; and vice versa.
The plasma flame of a real plasma torch is a few inches long at most; it is to be distinguished from
Gallery
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Close up of a Hypertherm HyPerformance plasma torch cutting metal
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PrototypeCNCto cut and bevel half-inch steel plate. Laser marking of the front and back of the plate was also done in earlier operations.
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Sector field ICP-MS torch
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Sector field ICP-MS torch
See also
- Plasma source
References
- ISBN 978-1-4018-1046-7.
- doi:10.5604/01.3001.0010.2942 (inactive 1 November 2024).)
{{cite journal}}
: CS1 maint: DOI inactive as of November 2024 (link - ^ "Energy Recovery from Waste of Printed Circuit Boards in Plasmatron Plasma Reactor". Polish Journal of Environmental Studies. 23 (1): 277–281.
- ^ Szałatkiewicz, J. (2014). "Energy Recovery from Waste of Printed Circuit Boards in Plasmatron Plasma Reactor" (PDF). Polish Journal of Environmental Studies. 23 (1): 5.
- ^ S2CID 206069219.
- ^ S2CID 36444561.
- .
- ^ Kavka, T; Chumak, O.; Sember, V.; Hrabovsky, M. (July 2007). "Processes in Gerdien arc generated by hybrid gas-water torch". 28th ICPIG.