FIELD: plasma equipment.
SUBSTANCE: plasma torch comprises at least two cylindrical graphite electrodes. Inner electrode is coaxially built into the outer electrode. At least one of the electrodes has a barrel riveting structure comprising rivets or sections, which form a ring or barrel, so that at least one of the electrodes is made with possibility of (i) providing thermal stress relief or (ii) providing controlled thermal cracking.
EFFECT: higher efficiency of both burner and reactor.
18 cl, 3 dwg
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