A decanter centrifuge (also known as solid bowl centrifuge) separates continuously solid materials from liquids in the slurry and therefore plays an important role in the wastewater treatment, chemical, oil, and food processing industries.
In well-drilling fluids system, the centrifuge decanter is mainly used to get rid of 2~7 microns cuttings. Middle-speed centrifuge will separate 5~7 microns out of fluids, while high speed or VFD speed one will remove 2~5 microns.
Decanter centrifuge technical parameters
Model | APLW450×842N | APLW450×1000N | APGLW355×1258D-N | APGLW450×1258D-N | APGLW530×1320D-N |
Drum Dia. | φ450mm | φ450mm | φ355mm | φ450mm | φ530mm |
Drum Length | 842mm | 1000mm | 1258mm | 1258mm | 1320mm |
Lambda Ratio | 1.9 | 2.2 | 3.5 | 2.8 | 2.5 |
Drum Shape | Conical | ||||
Speed | 1800rpm | 2200rpm | 3200rpm | 3000rpm | 2800rpm |
Main Motor | 22Kw | 30Kw | 30Kw | 37Kw | 55Kw |
Accessorial Motor | 5.5Kw | 7.5Kw | 7.5Kw | 11Kw | 11Kw |
Max. Capacity | 40m³/h | 50m³/h | 35m³/h | 60m³/h | 65m³/h |
Separation Point | 5~7microns | 2-5microns | |||
Separation Factor | 815G | 1215G | 2035G | 2250G | 1817G |
Feeding Pump Power (KW) | 4(submersible) | 5.5(submersible) | 7.5(submersible) | ||
Dimension (mm) | 2600×1550×1650 | 2750×1550×1700 | 2900×1480×1650 | 2900×1550×1650 | 3300×1700×1750 |
Weight | 3000kg | 3200kg | 3000kg | 3200kg | 4000kg |
The working principle of horizontal screw centrifuge is very simple. It has been known by the public for a century. The drum and screw are supported by a separate suspension.The material enters through the inlet pipe and accelerates into the core drum body through the drum.
Mudflow: The flow rate is related to bowl size and rotation speed.
Industry: Use it in oil drilling, water drilling or HDD?
Depth: Drilling depth is another issue considered during selection. Usually, depth over 3500m, the high-speed one should be utilized.
Drilling fluid property: Viscosity, mud base, and so on. Kindly confirm the applicability from mud engineer or centrifuge supplier.
Function to achieve: Separation, or recycle?
Rotating parts including centrifuge bowl and screw for stainless steel material. The screw impeller is coated with tungsten carbide for the protection of impeller wear. The most popular size bowl is 355mm diameter and 1250mm length for maximum rotating speed 3500RPM.
Main motor and assistant motor installed to drive centrifuge bowl and screw for flameproof standard.
The electrical control panel is the same explosion-proof standard compared with the centrifuge motor. The VFD control panel can be supplied for various speed control depending on mud conditions.
Centrifuge skid with legs to install bowl, motor, and control panel.
Other than decanter centrifuge, AIPU is able to supply complete solids control equipment and tank equipment like a centrifugal pump, mud agitator, mud gun, and degasser. The whole tank design and pipeline arrangement are customized as per request.
1. Bowl Cylindrical and the Conical section made of Duplex Stainless Steel 2205 by centrifugal casting. Other parts of the bowl assembly are made of stainless steel 316L.
2. Screw protection: Tungsten Carbide Tiles for longer life and easier replacement.
3. Screw flow distribution port and bowl solids discharge port protected by tungsten carbide alloy.
4. Easy to adjust liquid discharge weir height for flexible application.
5. Bowl assembly supported by the tighter belt for the protection of bearing in moving.
6. Pressurized EX Proof VFD control cabinet available.
7. Genuine SKF bearing for longer and reliable operation.
Do you have any demand for centrifuges? No matter for solids control or for drilling waste management, or slurry separation and sludge treatment. Please feel free to contact us.