Improving process efficiency - THE IMPEC WAY

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Improving process efficiency- THE IMPEC WAY
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IMPEC AS

• Established in 1974
• Close to smelters and customers
• Licensed technology
• Focus on HSE

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Products

• IMPEC is supplier of Rodding Shops and other
  products for the Aluminium Industry
• IMPEC has done modifications with full capacity
  in existing rodding shop
• We can offer all equipments used in modern
  rodding shop
• Own in house engineering
• Supplier of equipment for electrolysis
• Specialists in aluminium welding (bus bars,
  transitions joints, steel copper, etc)

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Rod/yoke straightening

• Automatically straightens all bent rods.
• Ensures correct angle between yoke and rod.
• Special couplings to prevent leakage from
  cylinders.

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Rod Grinding

• To improve the surface finish
• Removes spikes, marks and scratches
• Increases current efficiency
• Can brush one or two sides
• Delivered with collector and suction
• Easy to install in existing plant
• References
• Hydro Aluminium - Norway
• Slovalco - Slovakia

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Induction heating

• We deliver silent inductor heaters for
• Pre-warming before dipping in graphite
• Pre-warming of stubs before casting
• Heating of stubs before stub straightening
• Drying of stub holes
• References
• Hydro Aluminium Årdal, Høyanger, Karmoy,
  Sunndal
• Elkem Norway
• Sør Norge Aluminium Norway
• Dubal - Dubai

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Induction heating
Stub hole dryer. Induction heater coil inserted
in stub hole. Maximum power efficiency.
Stub hole sprayed with water
Heating for 30 sek with 70kW
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Tumblers

• IMPEC delivers tumbler systems to the rodding
  shop
• Thimble tumbler
• Clean the remains of carbon and bath from the
  thimbles
• Flexible loading and unloading of thimbles
• The cleaning process is done by batches

References Kubal - Sweden
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Tumblers
References Elkem Mosjøen - Norway Hydro Ardal
- Norway Qatalum - Qatar

• Butt tumbler
• Cleans the sodium of the carbon butts.
• Handles full size butts coming from the butt
  stripper
• The cleaning process is a continuous process or
  by batches.

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Stub straightening

• Unique design that
• Straighten stubs without applying any force to
  the yoke / spider
• Same machine can be used for different stub size
• Same design for all kind of yoke / spider
  configurations
• Standardized components
• Straighten pins with diameter190mm and length of
  250mm.
• Equipped with silent induction heater and vision
  system for accurate straightening of individual
  stubs

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Vision for Rodding

• Butt Classification
• Butt Dimension
• Height, Area or Volume
• Bath Inspection
• Area and Coverage
• Classification
• Stub Classification/Stub Measurement
• 2D Measurement (cowboy)
• 3D Measurement
• Stub Length, Diameter (min, max, mean)
• Stub Shape Classification
• Bimetal Crack Detection - tbd
• Rod Tracking System
• Reading number on anode
• Reading numbers / position in pot line

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Vision for Rodding

• Multiple application are connected over tcp/ip to
  a Scorpion Vision Rodding Server
• Low deployment and installation cost with digital
  ip-cameras
• Remote support and configuration

References Hydro Aluminium Årdal, Sunndal,
Høyanger, Karmøy, Neuss. Slovalco -
Slovakia Qatalum Qatar Søral - Norway Dubal -
Dubai
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Anode slot cutting machine

• Lyng Blade
• High performance
• Long lifetime
• Narrow cut-less waste
• Patented

• Rigid construction
• High capacity
• Flexibility
• Range of slots, depth and slope
• Fast tool replacement

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Anode jacking frame / Rack Raiser

• Manual or semi-automatic
• Proven technology
• Easy operation and maintenance
• Low weight

References Hydro Aluminium Norway Kubal -
Sweden
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Offline butt stripper

• Machine for stripping butts that cant go into
  the rodding shop.
• Full size carbon blocks
• Butts attached to faulty rod (broken, bended)
• Forklift mounted model
• Using hydraulic power from forklift
• Stand alone machine
• Complete independent machine
• Crawl hoist unit for feeding of anode assembly

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IMPECs equipment

• Turn-key system
• ensures system interfaces
• Flexible capacity
• Cost efficient
• Field proven equipment
• approved components chosen by experience
• Low maintenance cost
• High quality
• Reliable
• User friendly

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Experience

• IMPEC represents more than 30 years of experience
  from the aluminum industry.
• Selected partners and suppliers
• Experience in pot room optimization and current
  increase.
• Process understanding.
• Skilled staffs within
• Operation
• Maintenance
• Technology
• Construction

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Reference

• Our references in offering systems and solutions
  for primary aluminium industry are
• Hydro Aluminium (Norway Germany)
• Årdal, Sunndal, Karmøy, Høyanger, Neuss
• SØRAL, (Norway)
• ELKEM, (Norway)
• ALBA, (Bahrain)
• SLOVALCO, (Slovakia)
• NORDURAL, (Iceland)
• KUBAL, (Sweden)
• MOZAL, (Mozambique)
• QATALUM, (Qatar)
• Dubal, (Dubai)

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Norwegian Suppliers to the primary and secondary
aluminium industry
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Contact us

• IMPEC AS
• Post box 131
• N-6882 Øvre Årdal, Norway
• Tel. [phone]
• Fax. [phone] www.impec.no
• post_at_impec.no