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Control for Aluminum Production and Other Processing Industries
book

Control for Aluminum Production and Other Processing Industries

by Mark P. Taylor, John J. Chen, Brent Richmond Young
October 2013
Intermediate to advanced content levelIntermediate to advanced
252 pages
8h 17m
English
CRC Press
Content preview from Control for Aluminum Production and Other Processing Industries
75Potline Process Control Failure
Pot design Sidewall High Shell T in
local area only,
rather than across
most of pot
perimeter
(highΔT)
Red plates on
young pots, Si in
the metal of
these pots.
New generation or
design of pot may
all have a ‘eet’
sidewall problem.
Use of excessive
compressed air
plus tapouts.
Monitor group of
each new generation
of pot design to pick
up problems.
Thermally model
each design before
acceptance using
qualied experts.
Air movers or heat
exchangers (with
fans) for
minimum air
usage. Tune ledge
prole using
metal, cover and
voltage, pot by
pot. Remove air
wherever possible
after rebalancing.
Perimeter joint
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Publisher Resources

ISBN: 9781466514690