Description
2 Phase Decanter Centrifuges Description
The machine starts and speeds up automatically.When the proper working condition are met and the revolving drum reaches the feeding speed,the feeding valve opens and allows suspension which will be separated to enter into the product compartment of the spiral feeder through the feeding pipe.After the preliminary speed-up,the suspension passes the outlet of compartment and into the drum.Because of centrifugal force,the suspension in the drum is quickly divided into two phases;the heavier solid phase deposits to the inner wall of the drum and driven by the differential gear which results in the non-cynchronous movement between the spiral feeder and the drum.the solid phase will be transferred into the small end for further dehydration and finally discharged through solid phase outlet.The separated liquid flows out though the big end or will be driven out by centrifugal pump.
2 Phase Decanter Centrifuges Model
| Model |
Drum diameter
mm
|
Length
mm
|
Maximum speed
rpm
|
Hightest separation
factor g
|
Mixture capacity
m3/h
|
Motor Power
Kw
|
| LW250-900 | 250 | 900 | 5000 | 3500 | 0.5-3 | 11/5.5 |
| LW350-1500 | 350 | 1500 | 3800 | 2850 | 1-5 | 18.5/5.5 |
| LW400-1200 | 400 | 1200 | 3400 | 2581 | 1-8 | 22/7.5 |
| LW400-1600 | 400 | 1600 | 3400 | 2581 | 2-10 | 22/7.5 |
| LW400-1800 | 400 | 1800 | 3400 | 2581 | 2-12 | 22/7.5 |
| LW450-1800 | 450 | 1800 | 3200 | 2572 | 5-20 | 30/7.5 |
| LW450-2000 | 450 | 2000 | 3200 | 2572 | 5-25 | 30/7.5 |
| LW530-2280 | 530 | 2280 | 2800 | 2350 | 10-50 | 45/15 |
| LW600-2400 | 600 | 2400 | 2600 | 2265 | 15-65 | 55/18.5 |
| LW650-2600 | 650 | 2600 | 2400 | 2100 | 20-80 | 55/90 |
| LW720-2500 | 720 | 2500 | 2200 | 1950 | 25-90 | 75/90 |
| LW800-2560 | 800 | 2560 | 2000 | 1800 | 30-100 | 90/132 |
| LW800-3200 | 800 | 3200 | 2000 | 1800 | 30-110 | 90/132 |
| LW900-3200 | 800 | 3200 | 1800 | 1650 | 30-150 | 132/200 |
2 Phase Decanter Centrifuges Technical
All contact parts can be made by SS304/SS316L/Duplex Steel 2205 Automatic adjustment of differential speed via VFD,Siemens PLC Spiral :
Surfacing welding tungsten carbide grinding
Two motor drive
Approximately 80 to 90% of the oil is recovered
Low labor costs due to continuous and automatic operation
Highest g-force for higher solids output
Belts for both primary motor and secondary
NSK/SKF Bearing
2 Phase Decanter Centrifuges Features
Decanter centrifuges have a clean appearance and have little to no odour problems.
Not only is the device easy to install and fast at starting up and shutting down but also only requires a small area for operation compared to other competitive processes.
The decanter centrifuge is versatile as different lengths of the cylindrical bowl section and the cone angle can be selected for different applications.
Also, the system can be pre-programmed with various design curves to predict the sludge type, while some competitive processes, such as a belt filter press, cannot change the belt type to operate for different sludge types.Its versatility allows the machine to have various functions such as operating for thickening or dewatering.
2 Phase Decanter Centrifuges Application
Paper sludge
Weather desulfurization sludge
Power plant sludge
Activated sludge
Ammonia sludge
Car wash sludge
Sludge drilling mud
Coal flotation waste
Cryolite flotation liquid
