Seal for steel furnace emissions
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United States of America Patent
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-
Dec 21, 1999
Grant Date -
N/A
app pub date -
Feb 19, 1998
filing date -
Feb 17, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A seal for a high temperature treatment vessel, particularly those common to the steel industry, has a primary purpose to prevent gases from escaping the treatment vessel. The seal is provided by a positive gas pressure curtain barrier means, a plurality of mechanical seal and a means of aspirating gases escaping past the seals for recycling into the vessel.
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