Spiral Concentrators
AMP® offers a wide range of concentrating spirals, manufactured by the renowned Mineral Technologies. Our experience, technology and know-how during decades of service to the process industries leads to efficient solutions in all fields of mineral fines separation and concentration by specifying and supplying the most suitable spiral model for each application.
Type
LG
Application
For feed material containing less than 5% heavy minerals.
Type
MG
Application
For feed material with up to 20% heavy minerals.
Type
HG
Application
For high grade feed material, generally greater than 20% heavy minerals.
Type
VHG
Application
For final enrichment of high grade feed material (>90% HM).
Type
FM
Application
For feeding mineral fines in the 30-150 micron range
Type
WW
Application
To improve grade control in specific applications (iron ore, industrial sands, etc.) by adding water to the process.
Type
HC
Application
High capacity spirals designed for more efficient and compact large tonnage plants. Possibility of adding washing water in some models.
Type
LD
Application
For the treatment of coal fines.
Type
LC
Application
For the separation of coal fines with low shear point.
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Process Solutions
Solutions by Industry
Construction
Interchangeable feed box of integral polyurethane modular construction for proper in-line connection and long spiral life. Cutter configuration designed for each application. Concentrate diverter for higher grades of final product. Repulping devices to optimize recovery and grade of processed product. Integral polyurethane product discharge box ensures long service life without splashing or spillage. Integrated chute system. Appropriate top or bottom feed systems to optimize recovery. Simplicity in process circuits to minimize investment cost. Optional availability with or without wash water.
Applications
- Concentration of rutile, ilmenite and zirconium.
- Treatment of iron, chromium and manganese ores.
- Concentration of tin, tantalum and tungsten ores.
- Recovery of gold, native copper and base metals.
- Silica sand and pumice treatment.
- Removal of contaminants from sands and coal.
- Concentration of titanium-magnetite.
- Garnet, cyanite and andalusite recovery.
Advantages
- Single, double, triple and quadruple inlet spiral configurations according to capacity requirements.
- Availability of up to 48 inlets per bank of spirals according to capacity requirements, minimizing space occupation.
- Low investment cost in its installation.
- Low maintenance.
- Minimal operating cost and long service life.
- Separation efficiency with minimum operator attention.