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Ore Dressing Equipment 3 Phase Horizontal Decanter Centrifuge for Waste Oil
1. Working principle of sedimentation centrifuge Ore Dressing Equipment
A centrifuge for separating suspension components by centrifugal sedimentation. The suspension added to the drum forms a circular liquid layer under the action of centrifugal force, in which the solid particles settle onto the drum wall and form sediment. The clarified liquid is discharged through the drum overflow port or suction pipe, called separation liquid. The sediment is discharged manually or mechanically at the end of separation. Solid particles in the process of settling to the drum wall, but also with the liquid flow for axial movement, when the feed amount is too large, with the liquid flow to the overflow mouth, and has not settled to the wall of the fine particles with the separation liquid discharged to the drum, so that the separation liquid turbidity. For the difficult to separate suspension with small density difference between solid and liquid phase, small solid particles or large liquid viscosity, a sedimentation centrifuge with high separation factor should be selected to prolong the suspension's stay time in the drum (such as reducing the feed amount or using a long drum, etc.), so as to ensure the clarification of the separation liquid. Sedimentation centrifuge has a wide range of uses, especially suitable for centrifugal filtration because solid particles are easy to block the filter medium and filtration resistance is too large or fine particles leakage is too much suspension separation, but the moisture content of sediment is high. Sedimentation centrifuge can be used for crystallization, chemical precipitation, coal and other suspension separation, dehydration of sewage sludge and animal and plant oil residue clarification, etc.
2. TCL, TC series sedimentation centrifuge technical performance: Ore Dressing Equipment
| 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. Ore Dressing Equipment Decanter Centrifuge 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.
