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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (印刷)

10−40 kW STEAM RESPECTIVELY MULTI-GAS THERMAL PLASMA TORCH DEVELOPMENT

B. Glocker
Steinbeis Transferzentrum Raumfahrtsystem, Der Schone Weg 6, 72766 Reutlingen

G. Nentwig
Steinbeis Transferzentrum Raumfahrtsystem, Der Schone Weg 6, 72766 Reutlingen

E. Messerschmid
Steinbeis Transferzentrum Raumfahrtsystem, Der Schone Weg 6, 72766 Reutlingen

要約

At the Transferzentrum Raumfahrtsysteme a new plasma torch for steam and for oxidizing plasma gases including pure oxygen has been developed for environmental applications. To avoid extensive electrode erosion using gases containing oxygen, a special configuration of the electrodes is used. As a result of this development the described plasma torch PBR08 was run for several hours with about 0,5 g/s steam and about 0,05 g/s Argon as protection of the cathode without erosion problems at a power level of 8 to 32 kW. Together with this torch, the complete operating subsystems were developed containing an evaporator system for the water, the cooling system and the power supply.