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The
new and unique BRM bath removal mill was developed to meet higher
standards in the rodding plant. Our customers adressed a need for a
technology that could increase productivity, reduce down-time to zero
and reduce operation cost. Aftera about a year and a half in operation
at Europes largest smelter the Hydro Aluminium Sunndal plant, the BRM
has proven to be the solution for a tough anode rodding environment.
Sixty used anodes per hour can be pushed through the BRM.
Normally the butts cleaning starts with a pair of hydraulic “jaws”
forcing the bath apart from the anode remnants (butts). This method can
give large pieces of bath causing problems downstream in the bath
processing line. Further these hydraulic “jaws” can cause loosing of
the anode rest into the downstream bath processing line. The BRM gives
the cleaning process a better performance. Two highly powered cutter
heads removes the bath layer in a combined shearing and tearing process
on both sides of the anode studs. This method gives reduced size of the
largest pieces while at the same time the mill avoids producing fine
grain fraction due to the special cutter head design and the mill
performance. The anode remnants(butts) loss is reduced substantially by
this milling process compared to a conventional cleaning process. A
suction arrangement combined with a closed milling process chamber
gives a process with almost no dust contamination to the surroundings.
Noise and vibration are at an acceptable level. The arrangement is
economically and technical highly competitive to the conventional
process equipment.
In addition to the BRM Heggset Engineering has recently developed the
BRJ stub cleaner(for removing bath between studs) and the BRC chain
cleaner. Together these three products will provide a complete,
automatic bath removal line before sand blasting.
Download video of the BRM in operation: BRM.mpg
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