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Platelet-cooled plasma arc torch. Final report

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/105084

Subject(s) - electrode , arc (geometry) , plasma arc welding , plasma torch , plasma , water cooling , torch , materials science , corrosion , electric arc , layer (electronics) , nuclear engineering , metallurgy , composite material , chemistry , mechanical engineering , engineering , physics , quantum mechanics , welding

In this 12-month program sponsored by the DOE Morgantown Energy Technology Center, Aerojet designed, fabricated, and tested six platelet cooled electrodes for a Retech 75T (90 MW) plasma arc torch capable of processing mixed radioactive waste. Two of the electrodes with gas injection through the electrode wall demonstrated between eight and forty times the life of conventional water cooled electrodes. If a similar life increase can be produced in a 1 Mw size electrode, then electrodes possessing thousands, rather than hundreds, of hours of life will be available to DOE for potential application to mixed radioactive waste processing

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