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Over the last few years, Tata Steel
UK Port Talbot has since embarked on a
programme to improve the RH and RD
degasser snorkel life through material
selection, design optimisation and process
control. The combined effort has resulted in
steady improvement of the overall
performance of the degassers up to 2008.
The reduction in snorkel life from 2009 was
primarily due to the low production, which
resulted in a large variation in utilisation rate.
One of the main factors limiting the
snorkel life is the wear of the upper snorkel,
particularly around the Ar tuyeres. In a few
cases, the excessive wear occurred in the
areas just above the lower row of Ar tuyeres
at the early stage of the campaign, as shown
in Fig.3 (a).

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