H - Electricity – 05 – H
Patent
H - Electricity
05
H
H05H 1/30 (2006.01) B22F 1/00 (2006.01) B22F 9/08 (2006.01) C01F 7/42 (2006.01)
Patent
CA 2291683
The invention concerns an inductive plasma torch comprising an external tube, an intermediate tube and a central injector (16) including at least a central tube (20, 21) injecting reagent and a peripheral sheathing tube (22). A gas similar to plasma gas is injected into the space between the central tube (20, 21) and the sheathing tube (22), in conditions suited for obtaining a laminar flow, said flow remaining laminar up to the plasma torch central zone. The sheathing tube emerges substantially at the first turn of the inductor coil.
L'invention concerne une torche à plasma inductif comprenant un tube extérieur, un tube intermédiaire et un injecteur central (16) comprenant au moins un tube central d'injection (20, 21) de réactif et un tube de gainage périphérique (22). On injecte dans l'espace compris entre le tube central (20, 21) et le tube de gainage (22) un gaz de même nature que le gaz plasmagène, dans des conditions propres à obtenir un écoulement laminaire, cet écoulement restant laminaire jusqu'à la zone centrale de plasma de la torche. Le tube de gainage débouche sensiblement au niveau du premier tour de l'enroulement inducteur.
Centre National de La Recherche Scientifique
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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