2 Phase Decanter Centrifuges Description
The feed product is pumped into the decanter centrifuge through an inlet. Feed into a horizontal bowl and then rotate. The bowl consists of a cylindrical portion and a conical portion. The separation takes place in the cylindrical part of the bowl. Fast rotation produces centrifugal forces of up to 4000 x g. Under these forces, solid particles with a higher density are collected and compacted on the wall of the bowl. The scroll (also a screw conveyor or screw conveyor) rotates inside the bowl at slightly different speeds. This speed difference is called a differential speed. In this way, the scroll conveys the precipitated particles along the cylindrical portion of the bowl to the conical end of the bowl. At the smallest end of the conical portion of the filter bowl, dehydrated solids leave the filter bowl through the discharge port. The clarified liquid exits through the mating disc (internal centrifugal pump).
2 Phase Decanter Centrifuges Model
Model
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
Waste water treatment
Food processing
Waste recycling
Fish processing
Beneficiation
Organic Chemicals
Inorganic chemical industry
Polymer industry
Chemicals
Name: Ashely Li
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