IM 2019 April 19 | Page 78

COMMINUTION
parameters inside mills in real time, in
collaboration with an undisclosed industry
partner, it said.
Dr Shelley said field pilot trials were underway
and the company was excited by the results it
had seen to date. “Real-time data from inside the
mill could provide significant insight into
operating a mill, such that it spends more
running time in an optimised state,” he said.
“Sensor tags are implanted into the grinding
media. The tags transmit data, while in-flight
inside the mill, to an electronic receiver via a
series of antennas.”
These digital solutions are only likely to
become more effective as the companies
supplying them obtain more real-time data and
translate mineral processing expert knowledge
within the group to the machine-learning
systems.
As Özer said, in reference to Metso Metrics,
“In the near future, to get the full
benefits…Metso experts will be required to
codify their know-how into software that
monitors data in real-time, to better leverage
scarce skills and to provide rapid feedback to
operators of equipment and processes on
opportunities and problems.”
of the comminution equipment in the future,
there will be other driving factors than grade,
most important being scarcity of water, enforcing
mining operations and, hence, manufacturers to
consider dry comminution and classification
alternatives.”
He said future circuits – when it comes to
water consumption reduction – may comprise a
primary crusher, screening-sorting station,
HPGR-dry ball mills or vertical spindle mills to
reduce water requirements.
Future comminution circuits
These digital enablers could end up providing
the information METS companies require to build
equipment that solves the energy and water
resource dilemma miners are faced with.
Özer said: “When it comes to design features
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Eriez’s HydroFloat technology has potential to
significantly cut costs and boost processing
efficiency, particularly in relation to grinding
energy and media consumption, and capital
equipment, according to CEEC.
CEEC sponsor, Eriez, could offer the industry a
helping hand when it comes to reducing the use
of energy used in circuits.
Its HydroFloat™ technology has potential to
significantly cut costs and boost processing
efficiency, particularly in relation to grinding
energy and media consumption, and capital
equipment, according to CEEC.
CEEC said: “HydroFloat™ has a fluidised bed
which increases particle contact with bubbles
and reduces the turbulent action of conventional
mechanical flotation cells. As a result, much
coarser particles are able to be recovered with
minimal surface area exposure.”
This technology has already been installed in
operations in Australia and piloted in North
America, according to CEEC.
Developments such as EcoTails – being
pushed by Goldcorp and FLSmidth (and reported
on in IM’s Water Management feature in March) –
is also aimed at reducing the amount of fresh
water consumption through the creation of a
GeoWaste product.
Judging by this, it looks like mining equipment
and service firms are doing their best to ensure
the ambitious energy and water targets mining
companies have set are realised. IM