Chain maker rolls out savings
July 1st 2008 Renold has achieved cost
savings of £33 000 per annum
since installing vibratory
finishing machines from
Wheelabrator Group.
The machines – from the
Walther Trowal range – are
used for deburring and
finishing chain side plates and
rollers. Discharge from the
machines includes abrasive
media, an industrial liquid
cleaning compound and
powder degreasant, which
Renold was keen to clean and
re-use to meet its strict
environmental targets.
Wheelabrator Group evaluated
Renold's needs and after extensive
trials suggested a Centrifugal
Recirculatory Process Water
System (Walther Trowal ZA06
machine), which can clean up to
2m3 of effluent per hour, removing
solids and oils. The process is
initially charged with fresh water
and specially formulated Trowal
cleaning compound, which are
delivered to the machines, used for
process operation and returned via
a transfer system.
Where parts to be cleaned are
badly contaminated, a powder
degreasant can be added to the
mix, but in most cases the recirculated
process liquid alone can
meet the desired cleaning
requirements.
Installation of the ZA06 has
afforded Renold substantial
savings in water use. The company
is now using 3882m3 less per
annum. chemical usage too is less,
leading to a reduction in site
effluent treatment and discharge,
as well as costs, with a predicted
annual saving of £33 000 based on
data from the first three months of
use.
Specific recommendations and
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