Ore Dressing Equipment Innovative Solid Bowl Decanter Centrifuge
1. Product introduction of sedimentation centrifuge
Sedimentation centrifuge is a new type of horizontal spiral
unloading centrifuge, its working principle is the use of
solid-liquid specific gravity difference, and rely on centrifugal
force field to expand thousands of times, the solid phase is
sedimentation under the action of centrifugal force, so as to
achieve solid-liquid separation, and under the action of a special
mechanism, respectively discharged from the body. When the
centrifugal filtration because of solid particles easy to plug the
filter medium and filter resistance is too large or too much fine
particles leakage, the filter centrifuge can not achieve the ideal
separation effect, at this time the sedimentation centrifuge has
the incomparable advantages of the filter. The solid particles with
small particle size can be separated from the liquid phase by
centrifugal sedimentation principle.
2. TCL, TC series sedimentation centrifuge technical
performance:
| Item | Unit | Model |
| TCL-0918 | TCL-0924 | TCL-1134 | TCL-1418B | TCL-0924 | TCL-1134 |
| Diameter of big end of drum | mm | 900 | | 1104 | 1358 | 900 | 1100 |
| Drum length | mm | 1722 | | 3212 | 1868 | 2440 | 3350 |
| Drum speed | r/min | 800;1000 | | 900;1100;1300 | 480;550;650 | 1000 | 850 |
| Main motor power | Kw | 100 | | 300 | 190 | 110 | 300 |
| Handle material | | Flotation cleaned coal | Flotation cleaned coal | Flotation cleaned coal | Pipeline coal | Flotation cleaned coal | Wast coal | Wast coal |
| Feed material concentration | % | 25～35 | 25～35 | ≥30 | 50 | 25～35 | | |
Processing capacity (Dry materials) | t/h | 10～20 | 15～25 | 40～50 | 50～60 | 10～25 | 15～30 |
| Product water | % | 15～20 | 15～20 | 15～20 | 13～20 | 30～35 | 30～35 |
| Dimension | L | mm | 4.04 | 4.64 | 9.22 | 470 | 4.82 | |
| W | mm | 3.5 | 3.28 | 2.96 | 3.996 | 2.9 | |
| H | mm | 1.47 | 1.47 | 2.47 | 2.05 | 1.46 | |
| Machine weight | t | 11.34 | 11.9 | 24 | 18 | 13 | |
3. Structural characteristics
Shafting sedimentation centrifuge has rigid shaft and flexible
shaft. Generally, the running speed is not too high, the rotor
diameter is larger, and the liquid flow is better centrifuge
usually designed into a rigid shaft. The original research machine
is designed for rigid shaft, its drum shaft diameter is large
(Φ125mm), its critical speed is greater than the working speed,
drum shaft and support bearing spacing is large (800mm), set a
large size bearing, the height of the whole rotating shafting is
also reduced, because there is no vibration problem when the
critical speed, its vibration reduction structure is simplified
accordingly. The spherical support usually required for flexible
shafts is removed. Its advantage is that the working speed is lower
than the first order critical speed, there is no vibration problem
when the critical speed, can be operated in a wide range of speed.
The structure of the rigid shaft itself can be set with large size
bearings, which have a better stress state and can improve the life
of the whole machine. Its disadvantage is that disassembly and
maintenance is not easy to achieve full remote operation.
