Tank Bottom Oil Sludge Recovery

The crude oil extracted from the well carries water, solids, and other sediments. Producers use settling tanks to settle crude oil. By settling, the residue left in the sedimentation tank is called the tank bottom. And the bottom of the tank is usually left with a lot of high-quality oil. The use of ZK centrifuge can realize the tank bottom sludge recycling treatment, which will contribute to energy conservation and environmental protection. It also minimizes the amount of waste to be disposed of by recovering crude oil and separating water and solids.

ZK SEPARATION Centrifuge for Tank Bottom Oil Recovery Process

The ZK centrifuge can not only separate the oil, water, and solid components in tank bottoms. More importantly, it can also realize the recovery of high-quality oil in tank bottoms. Simultaneously, the design of our centrifuge is easy to deploy and use in the remote field. We can provide a complete system of recovery solutions for oil refining sludge, aging sludge, and slope sludge. Simultaneously, it has an automatic control system and realizes automatic continuous operation, which reduces the operating cost of personnel.

Tank Bottom Oil Recovery Centrifuge Parameters
Model LWS250x1025B(X) LWS350x1550B(X) LWS450x1845B(X) LWS520x2150B(X) LWS580x2400B(X) LWS650x2600B(X)
Speed (rpm) 5000 4000 3500 3200 3000 2800
Max G Force 3500 3136 3087 2982 2948 2854
Main Motor (kW) 11 22 30 45 55/75 75/90
Back Motor (kW) 4 5.5 7.5 15 18.5 22
Capacity (m3/h) >1 >3 ~ 5 >5 ~ 10 >10 ~ 15 >15 ~ 20 >20 ~ 30
Weight (kg) 1250 2500 4000 5200 6500 8000
Dimension (mm) 2500x800x1150 3700x1050x1400 3800x1150x1600 4800x1250x1800 5300x1750x1382 5600x1850x1500
Drive Type VFD + PLC + HMI
Bowl Material SUS2205(Duplex Stainless Steel) / SUS2304 (Duplex Stainless Steel) / 316L / 316 Centrifugal Casting
Screw Material SUS2205(Duplex Stainless Steel) / SUS2304 (Duplex Stainless Steel) / 316L / 316 Centrifugal Casting
Bearing SKF / NSK

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Why Choose ZK Decanter Centrifuge?

Reliable Quality

The bowl (core component) is made of SAF 2205 duplex stainless steel by centrifugal casting process, and its performance is superior to conventional 304 and 316. All weld joints have undergone flaw detection and thermal treatment, and are provided with certificates of conformity or records for traceability.

Stable Operation

The dynamic balance precision of the centrifuge is ≥ Class 2.5, which is superior to the requirement of the standard, so that the centrifuge can be operated smoothly and its longevity is extended. The noise of the complete machine is < 85 dB, the vibration intensity is < 7.1 (load) and 4.5 (no-load). It is equipped with a mechanical and electrical dual overload protection device to ensure safe operation.

long service
Long Service Life

The screw conveyor and bowl adopt of the most advanced, reliable and convenient wear-resistant treatment technology and structure in China. All bearings adopt original imported NSK/SKF bearings. The electric control box is made of electrical elements of famous brands such as Siemens and Schneider.

High Degree of Automation

ZK decanter differential speed automatic control technology can automatically adjust the screw conveyor’s differential speed, to prevent overload and blockage. The complete machine is equipped with bearing temperature sensor and vibration sensor, and is provided with alarms for main motor overload, differential over torque, low differential speed, etc. Meanwhile, its supporting frequency conversion (flameproof) control cabinet can realize automatic start and stop with one key.

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