Lower costs due to lower reagent consumption, longer mechanism life and less maintenance
Adequate residence time for optimum recovery and concentrate grade
Extremely reliable, maintenance kept to a minimum
Treat many particle sizes efficiently
Benefit from more profitable minerals concentration
The ideal flotation machine for your mining operations will deliver high recovery and grade with easier start-up, simpler operation, lower reagent consumption, longer mechanism life and less required maintenance. The WEMCO 1+1 is just that solution.
What we offer
Higher recovery and grade with easier start-up
Available in 13 cell sizes, from 1 to 3,000 cubic feet, the Wemco 1+1 can meet your requirements for virtually any application or particle size.
Unique flotation mechanism
At the heart of each WEMCO 1+1 cell is a patented rotor-disperser that delivers intense mixing and aeration. Ambient air is drawn into the cell uniformly distributed throughout the pulp, providing optimum air/particle contact. In larger cells, a false bottom and draft tube channel slurry flow, ensures high re-circulation and eliminates your need for sanding. Also available as the InertGas™ design for use in copper/moly separation resulting in lower reagent consumption and eliminating the need for nitrogen supply.
A simple and rugged construction
make the WEMCO 1+1 flotation
mechanism extremely reliable and
keeps your maintenance to a minimum.
A heavy-duty bearing stand supports
the motor driven V-belt and shaft
assembly. Twin oversized antifriction
bearings mounted in cast iron
housing maintain accurate shaft
alignment, ensuring you get smooth, trouble free
rotor operation. The stand pipe,
disperser, and hood are suspended
beneath the base plate.
Key benefits
A durable and flexible solution
Efficient recovery
This combination of efficient aeration and optimum solids suspension gives you the highest specie recovery and concentrate grade performance available, and reduces your reagent consumption.
Cost benefits through Airflow
Airflow into the pulp is induced by the turning rotor. No forced air supply system is required, eliminating the need for you to operate blowers and distribution piping - and thereby cutting your costs. Airflow compensation for varying feed densities is automatic, minimising the operator attention required. Another benefit is that you can remove a single mechanism for service without interrupting production, unlike forced-air systems which require you to shut down an entire cell bank for service access to a single mechanism. And more uptime means more productivity.
Operate either clockwise or counter-clockwise
Complete sectional symmetry allows you to operate the 1+1 rotor either clockwise or counter-clockwise and to rotate it end-for-end. This allows for the transposition of worn and unworn surfaces and further extending mechanism life.
Treat multiple particle sizes
WEMCO 1+1 flotation cells are commonly used in coarse float applications such as phosphate and potash with feeds of up to 85% plus 65 mesh and maximum particle sizes as large as 10 - 12 mesh, so you can easily treat many particle sizes.
Product features
Intense mixing and aeration
Flexible, Modular Tank and
Box Design
The basic module of the WEMCO 1+1 flotation system is a cell consisting
of a single tank and mechanism.
Several cells are bolted together to
form a flotation machine with feed,
connection and discharge boxes as
required. Pulp level in the tanks is
controlled by automatically operated
dart valves in the connection and
discharge boxes. All boxes are
elastomer-lined for maximum abrasion
resistance.
Elevated Rotor Position
To reduce wear on your rotor and
disperser surfaces, the 1+1 aeration
mechanism is positioned well above the tank
bottom, eliminating contact with
abrasive, oversized tramp material.
After shutdown, the elevated rotor
allows 1+1 cells to be restarted
instantly, unlike conventional designs where the rotor and floor-mounted stator are located in the zone of heaviest solids
accumulation.
Large design clearances
Aerator mechanism erosion is further
reduced by large design clearances
between rotor and disperser. Normal
wear life of a WEMCO 1+1 mechanism
is 2-4 times that of closely spaced
conventional rotor/stator designs.
Because WEMCO mechanisms stay
within design tolerances longer, you can maintain peak metallurgical performance over a longer period,
further enhancing your profitability.
Reliable, Automatic Level
Control
A unique electronic/pneumatic level
control system uses dual bubble tubes
or ultra-sonic devices so you can accurately
measure and precisely control pulp
level regardless of fluctuations in
density. Convenient panel displays
provides you with continuous, easy-to-read
access to operating information. This
PLC unit integrates easily with mill
DCS systems for complete remote
operation from your control room,
including set point and process
variable readout.