Apparatus and method for starting a plasma arc treatment system

Details Apparatus and method for starting a plasma arc treatment system Apparatus and method for starting a plasma arc treatment system

1994-03-28

1996-06-18

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912138, 21912159, 21912143, 373 22, 266200, 75959, B23K 1000

Patent

active

055280129

ABSTRACT:
An ignitable material is positioned in contact with a slag contained within a plasma arc treatment system having an electrode and an electrical ground. The slag is initially at a temperature below a conducting temperature at which the slag will conduct electricity between the electrode and grounding network. The ignitable material has a self-sustaining reaction which releases heat energy upon ignition. The ignitable material is ignited with a pilot arc thereby heating at least a portion of the slag to the conducting temperature so that an arc between the electrode and grounding network can be sustained.

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patent: 5199973 (1993-04-01), Funk, Sr.
patent: 5378261 (1995-01-01), Aizatulov et al.

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