Wet Drum Magnetic Separator For CPP CR9/21-P2L - OB

Pulp Volume Capacity: 294 m³/h nominal.  336 m³/h maximum.
Magnetite Solids Capacity: Up to 59 t/h at 200g/L recommended or 74 t/h at 250 g/L maximum.
Magnetite recovery efficiency*: 99.9 %.
Magnetite recovered at*: 2.3 R.D.
Magnet Assembly:

Radial field type with Ferrite magnets sandwiched between steel poles.

Effective Angle = 136 °

Ferrite magnets Y30BH type.
bHc ~ 2800 Oersteds.
Br    ~ 3800 Gauss.

Magnetising Field:

Gauss

~2000
~1500
~1000
~ 550

Gauss ²/cm

~1020 000
~650 000
~290 000
~ 75 000

 

Drum
10 mm
25 mm
50 mm

Gauss measurements are the vertical fields measured at the poles, with axial type probe.

Tank Style: Counter-rotation.
Special Features: Tank with overflow compartment for clarified water.  Flanged pipe outlet at bottom of compartment. Clarified water amount set by full width adjustable weir plate.
Drum Drive:

Helical bevel gearbox with flange
mounted electric motor.
Manufacturer : SEW-Eurodrive
Arrangement:  Shaft mount   FA97  2.2 kw.
Drum speed:    8 r/m.
Motor mechanical protection:  IP65.

Drum Bearings:

Spherical Roller type, designation 22220 cck. Re-lubrication – not required on drive side (shielded type); through grease nipple at end of shaft on non-drive end.

Drum Drive shaft support bearing: Plumber block type, designation SNH520. Re-lubrication through grease nipple on housing.
Trash Screen: Installed in feed box.
Cleaning: 200mm bung at either end of tub and feedbox and flush with the bottom.
Pulp Level Setting: By orifice plates at tank outlets.
Drum Adjustment: Horizontal and vertical – with jacking bolts – adjustment can be made in operation.
Factory settings:-
Drum – Tank gap 50 mm.
Drum – Mags. discharge gap 40 mm.
Magnet Assembly adjustment:

Angular – with spanner fixed to non-drive end of magnet support shaft.  Position set at factory.

Construction Materials:

 

 

Feedbox and Tank: 3 & 4,5 mm Stainless steel (304)
Drum Shell: 3 mm Stainless steel (304)
Wear Wrap: 3 mm Stainless steel (304)
Drum Ends: 12 mm Stainless steel (304)
Trash Screen: Stainless steel 304 wire 3mm Ø x 10 mm aperture.
Support Frame: Carbon steel (ms), sections and plate.
Magnet Assembly support shaft: Carbon steel (En3a).
Bearing Enclosure: Carbon steel (ms).
Corrosion Protection:  
Carbon Steel Parts: Sandblast and three coat epoxy paint System D.F.T. 105 microns; or galvanised.
Stainless Steel parts: Acid cleaned polished.
Proprietary Items:

Manufacturers standard finish.

* With magnetite size distribution, typically:-
95 % < 53 microns
90 % < 45 microns
30 % < 10 microns
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