Product Features
DC WBM Dewatering Unit is a system by using Decanter Centrifuge to achieve the solids-liquid separation. It is specialized designed for Spent water-based mud dewatering can be applied to oil and gas drilling, horizontal directional drilling mud dewatering, CBM drilling mud dewatering, piling mud treatment, TBM mud dewatering, environmental sewage dewatering. After dewatering, the user can get thickened mud cake for easy disposal and clean water for recycling and reuse. The DC WBM dewatering unit is widely used to treat the Spent WBM in mud pit during drilling operations. In some cases, the drilling operator can also dump the waste mud in one big tank for temporarily storage and treat it quickly by dewatering unit.
The DC mud dewatering unit can be used for both onshore and offshore application. DC mud dewatering unit is portable design, can be used for waste water treatment, livestock farms waste water treatment, mining tailings dewatering and other similar applications. The DC Mud dewatering unit has different size to cater for different request.
The models of KESMI DC WBM Dewatering Unit
| Model | KDCDU-05 | KDCDU-15 | KDCDU-25 |
| Solids concentration | 10% | 10% | 10% |
| Capacity | 5m3/h | 15m3/h | 25m3/h |
| Centrifuge feed pump | 4KW, 5~10m3/h | 5.5KW, 15~20m3/h | 7.5KW, 20~30m3/h |
| Dosing pump | 0.75KW | 0.75KW X 2 | 1.5KW X 2 |
| Centrifuge | KSLW363C, 37kw +11kw | KSLW453C, 55KW + 22KW | KSLW553C, 75KW + 30KW |
| Screw Conveyor | 7.5kw, 24ft | 7.5kw, 24ft | 7.5kw, 24ft |
| Total Power | 60KW | 90KW | 120KW |
| Foot print | 1x20ft container size | 1x40ft container size | 1x40ft container size |
| Overall size | 6058 X 2438 X 2591mm | 12192 X 2438 X 2591mm | 12192 X 2438 X 2591mm |
| Weight | 8500 kg | 9500kg | 10500 kg |
Main technical features of KESMI DC WBM Dewatering Unit
- Rich experience in both design and production
- Mature design to guarantee on the performance
- Compact design with smaller footprint
- Germany brand Netzsch Nemo pumps for longer service time
- Premium designed decanter centrifuge with guaranteed performance
- High automation level with PLC Control & HMI touch screen operation
- Easy maintenance and quick delivery spare parts service
- Different models to meet different requirement
- Bespoken solutions available per request from customer
Main equipment list in the DC WBM dewatering unit
| S/N | Product | Short Description |
| 1 | 3-chamber automatic dosing unit | Used to mixing and aging of Polymers to coagulate the fine solids in the WBM, normally we can use PAC or PAM agent |
| 2 | Centrifuge Feed Pump | Normally we adopt progressive cavity pump as feeding pump to centrifuge. The spent WBM will be transfer to the static mixer continuously by feed pump, the feeding will be without pulse, stable feeding |
| 3 | Decanter Centrifuge | The spent WBM after mixed with polymer will be separated by high-speed decanter centrifuge, it is easy to get clean water from centrifuge; the mud cake moisture normally can be about 40% |
| 4 | Screw conveyor | Screw conveyor is required to transfer the solids discharge from the centrifuge discharge port to the collection point |
| 5 | Mud Skip or tanks | Mud Skips or tanks may be required to collect the dry mud discharged from centrifuge |
| 6 | Water Tanks | Water tanks may be required to collect the clean water discharged from centrifuge. |
| 7 | Remarks | Bespoken solutions can be provided per request |
DC WBM dewatering unit compared with FP WBM dewatering unit
- Continuously non-stop operation, high automation level
- DC dewatering unit operation requires engineers with rich experience in centrifuge operation
- The DC dewatering unit can be designed into 20ft or 40ft container, easy transportation and fast installation
- The equipment investment could be higher compared with FP WBM dewatering unit
- Both of the solutions will be provided by long-term technical support and spare parts support
