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shenzhou Decanter Centrifuge for Tank Bottom Oil Recovery Process
The Shenzhou 3 phase decanter centrifuges excels not only in effectively separating the components of tank bottoms, including oil, water, and solids but also in facilitating the recovery of high-quality oil from tank residues. Furthermore, our centrifuge features a user-friendly design that allows for seamless deployment and operation even in remote field locations. We offer a comprehensive system of recovery solutions catering to various types of sludge, such as oil refining sludge, aging sludge, and slope sludge. Additionally, it boasts an automatic control system, enabling continuous and automated operations, ultimately reducing personnel-related operating costs.
Shenzhou three-phase oil sludge separation (thermal desorption) system can effectively separate oil, water and solid components in the oily sludge mixture, and the oil content of the residue after treatment is less than 0.3%.
Tank Bottom Oil Recovery Centrifuge Parameter
Following the collection and steam heating of Tank Bottom Oil sludge, an appropriate amount of additives, such as demulsifiers and active agents, is introduced to disrupt the emulsified state of the oil-water mixture. After successful demulsification, a high-efficiency LWS series three-phase decanter is employed to continuously separate oil, water, and solids within the oily sludge. The separated water and the non-demulsified oil-water mixture are directed to the sewage treatment system for further processing.Subsequently, an LW series two-phase decanter with high efficiency is utilized for the dehydration process. Any remaining crude oil in the dehydrated solid phase can be recovered through combustion or thermal desorption methods. Following this step, the isolated crude oil undergoes collection and purification through a 3-phase centrifuge separator, resulting in purified oil that can be reused.
| Model | LW355 | LW450 | LW550 |
| Capacity (m3/h) | 10 | 40 | 60 |
Shenzhou Decanters for Tank Bottom Oil Sludge Treatment Process
Tank Bottom Oil, or sludge, develops as a result of sedimentation in oil storage tanks. It occurs due to density differences, allowing impurities, water, and solids to settle at the tank's bottom. Chemical reactions, microbial activity, and temperature fluctuations further contribute to its formation. Tank maintenance and periodic cleaning are essential to manage and remove tank bottom oil, ensuring the integrity and quality of stored oil products.
Oil sludge treatment is a complete set of production process, using the principle of emulsion breaking and centrifugal separation, and the main equipment is composed of dosing system, feeding system, separation system, conveying system, control system, etc.
| Item | Process | Description |
| 1 | Sludge Picking Up | The oily sludge is extracted from the oily sludge pit by the GN solid vacuum pump or excavator. |
| 2 | Heating & Conditioning | Stirring, pre-mixing and conditioning is performed in heating the pre-mixing tank. |
| 3 | Screening Treatment | After heated and conditioned, the oily sludge will be treated by vibrating screen for coarse particles separation. |
| 4 | Secondary Heating & Conditioning | The fine particles is conditioned and heated again with chemical agent, so that the oil is stripped off from the solid phase and enters the liquid phase. |
| 5 |
Solid Liquid Separation （2-phase Decanter centrifuge） |
After heating and conditioning, the oily sludge is pumped to two-phase decanter centrifuge for solid-liquid separation treatment. The solid sludge with oil content of less than 2% can be further biodegraded or processed in pyrolysis or incineration equipment. |
| 6 | 3 Phase Decanter Centrifuge | After solid liquid separation, the oily sludge is pumped to a three-phase disc separator for separation to obtain saleable oil, and the usable washing water, and solid is discharged through flushing pump. |
Oily Sludge Treatment Application Cases
Oil Sludge Recycling
Waste Oil Sludge Processing
drilling fluid treatment
FAQ
Q: What is a decanter centrifuge?
Q: How does a decanter centrifuge work?
Q: Where are decanter centrifuges commonly used?
Q: What are the advantages of using a decanter centrifuge?
Q: What materials can be processed with a decanter centrifuge?
Q: How do I select the right decanter centrifuge size for my application?
Q: Can I customize the features of a decanter centrifuge?
Q: How long is the typical lifespan of a decanter centrifuge?
Q: Do you provide training on operating and maintaining your centrifuges?
Q: Can your decanter centrifuges handle hazardous or corrosive materials?
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