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December 2003
Christmas greetings from ROCKLABS World Leaders in
the manufacture of Sample Preparation Equipment.
ROCKLABS has continued
to expand the range of Mechanised and Automated Systems.Our experienced
in-house design team ensure that every System is designed to meet
the specific requirements of each customer. We do not believe in
the theory that “one solution fits all”.
Mechanised
System for Papua New Guinea…more details
The
Mechanised System built for the Porgera gold mine in New Guinea
was designed to increase the sample throughput rate by first screening
their 25kg blast hole samples. The fine fraction is removed, reducing
the load on the crusher, therefore providing faster crushing.
Mechanised
System for Bauxite mine…more details
The
Mechanised System built for the Timan mine was designed to crush
hard and soft bauxite conglomerates. The System included a Big
Boyd crusher for crushing lump sizes up to a maximum of 200 mm
Automated
System for Barrick Goldstrike Mine USA…more details
ROCKLABS recently
installed the 4th Automated Sample Preparation System at the Goldstrike
Mine in Nevada USA.
Reference Material for Gold
Assaying…
8 new values
have been added, increasing the range to 26.
We
wish you and your families a Happy Christmas and a prosperous New
Year.
Beulah Johnson
Export Sales Manager
Porgera Mechanised System
The Porgera Mechanised System is designed to increase the sample
throughput rate for large blast hole samples by first screening
the dried sample. The fine fraction is removed, reducing the load
on the crusher, therefore providing faster crushing.Both the screened
material and crushed material arrive at the vibratory feeder and
are split with the ROCKLABS Rotary Sample Divider. Samples are
collected and the waste is transferred outside the building via
a conveyor.
The System is designed to minimise fine dust escaping
in the air. There are 10 suction points in total (5 on each side
of the System).
The Porgera System has two units, as mirror images
above the central waste conveyor, to accommodate each day’s
production. There is a simple sample loading unit on each side
which allows the Operator to load the sample up into the hopper.
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Timan Mechanised System
Whole sample is crushed finely in two stages consecutively.
Stage
one - 25 mm
Stage two -2mm
The second stage of crushing is combined
with splitting out a 1500 gram split.
The Operator loads the
1500 gram of crushed material into a separate ROCKLABS CRM/RSD
Combo. The sample is pulverised in the CRM. The RSD provides
two analytical portions plus the Remainder.
Sample type - Hard and soft Bauxites, Conglomerates
Sample
weight - up to 50 kg
Lump size - up to 200 mm
Production - one
sample (50 kg) every 10 minutes
Operation - one full-time Operator
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Barrick Automated System 4
This System receives finely crushed samples from
ROCKLABS System 2 which was installed 4 years ago. The crushed
material is rotary split, coarsely pulverised, rotary split, finely
pulverised and split into test tubes and a plastic cup, ready for
analysis.
The first System in the world where the final analytical
sample is automatically
rotary split from the pulverised material
and weighed, ready for analysis.
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