Method and means for use in the installation of plasma generators in shaft furnaces
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United States of America Patent
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-
Jan 20, 1987
Grant Date -
N/A
app pub date -
Mar 28, 1985
filing date -
Oct 19, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a method and a means for facilitating the replacement of plasma generators and for minimizing the heat losses during installation of a plasma generator in a shaft furnace, particularly for plasma generators of the type comprising cylindrical electrodes between which an electric arc is generated, the bases of the arc being caused to rotate by means of electric field coils arranged around said electrodes. To achieve this at least the field coil (7) surrounding the electrode nearest to the nose (12) of the plasma generator, together with its connections for coolant and electricity, is permanently secured in the wall (1) of the shaft furnace in conjunction with the opening (6) for insertion of the plasma generator (11) into the shaft furnace.
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