As abrasive mining slurries often have sub-micron sized content of 80% or more and a Sp. Gr. of around 2.0, the operating conditions present a major challenge to the process equipment, especially to the pumps involved.
The Peristaltic Hose Pump offer a more reliable solution for the handling of such fluids.
A large variety of rigid hoses in different materials allow for the optimal selection to suit the fluids handled.
When a hose eventually wears out and needs replacement, the spare part costs and downtime and labor involved are substantially lower than similar costs for other pumping devices such as centrifugal pumps.
Centrifugal pumps will need to be either of special alloys or lined with rubber or similar. In the event of a lined pump it is usually impossible to repair the liner in a damaged unit, and the unit will need a total replacement. This will either involve costly downtime or expensive inventories of replacement equipment on site.
The nature of the chemical reagents will cause most diaphragm pumps to clog, thus resulting in an increased usage of chemicals, higher operating costs and lower plant efficiencies. Centrifugal pumps may clog or run dry, resulting in burnt stators or worse.
The LSM Pumps Hose Pump is self priming and have dry running capability (will not be damaged)! The immense suction of the reinforced hose provides suction capability of up to 30’ (9.5m) H20 vacuum. The pumps deliver an upstream pressure (head) of 230 psig (16 Bar). Due to this, the Peristaltic Hose Pump is often preferred in flotation of cells, primary mineral and tailings retreatment plants as well as heap leaching installations.
The Peristaltic Hose Pump will normally run longer before maintenance, and when a hose exchange is eventually performed, this ONLY means the swap of the hose - no other parts are needed! The hose is a relatively low cost maintenance item. A hose exchange is performed within half an hour and without any disconnect of pipes or electrical installations. It is also not necessary to use special tools for the hose exchange.
As an added bonus, the Peristaltic Pump is fully reversible and can be used to clear choked pipelines, for example a thickener underflow line. No re-wiring or change of piping is required. The pumps can be reversed with the flip of an electronic switch. For pumping applications where the application does not allow this option, the factory will deliver a one-way-only design where the reverse mode is factory blocked.
Compared to other Peristaltic Hose Pumps, the LSM Pumps design generally offers more than double the service life for their hoses. This is due to a larger rotor diameter as well as a lower rotational velocity for the rollers. The larger diameter allows for longer hoses, which means less wear per inch of hose, per gallon pumped fluid. The hose life increase exponentially the lower the rotational speed of the rollers.
There are many applications for the pumping of slurries and chemicals in mining, as example:
Slurry Transfer Descalant Concentrate Mill Feed
Cyanide Dosing Reagent Dosing Thickener Underflow Rec.
Lead Nitrate Dosing Froth Flotation CuSO4 Activator Dosing
Some of the slurries pumped are:
Iron Ore Uranium Cobalt
Vanadium Silver Gold concentrate
Nickel Chrome Silica (SiO2)
Platinum Pyrite Copper concentrate
Today the LSM Pumps factory also produces the
With a pumping capacity of high density fluids in excess of
The toughest pumps from the problem solver supplying you with