centrifuge | GN Decanter Centrifuge

GN High Speed Decanter Centrifuge Used for Waste Water Separation

As more and more GNLW series decanter centrifuges are using in oil and gas drilling and drilling waste management systems, GN Solids Control sometimes are regarded as a professional centrifuge manufacturer, and some clients are using GN centrifuge in other industries as sludge separation, waste water separation and other applications.

Comparing with drilling waste management systems, the separation of waste water need the centrifuge to work at a comparably lower differential speed, which is also the speed for conveying the solids phase in the bowl.
Why? Why not a high differential speed?
1. First of all, a high speed for conveying the material may mix the liquid and the solids, and the whole centrifuge would be working as a mud agitator, in this case, the centrifuge is not an efficient separation equipment.
2. Secondly, in order to treat the waste water, the end user need to add some chemical into the material, to change the size or the chemical composition of the waste water. In condition of a high differential speed, the useful chemicals may be discharged together with the liquid at the liquid outlet.
3. Thirdly, when there is chemicals in the material to be treated, and the centrifuge’s differential speed is high, there would be quite much of bubbles and foams. It would give negative affect on the separation result.

GNLW363CG-VFD is an idea choice for the waste water separation projects, because this is the highest standard decanter centrifuge internationally, GN uses best material for the decanter centrifuge bowl as SS2205 which is more strong and more anti-corrosive.
And for the control panel, GN has positive pressurized control panel for easily choose the suitable bowl speed and differential speed. When the aimed bowl speed and differential speed are entered into the PLC control panel, the program will calculate out a suitable back motor speed automatically.
May you need more information, pls contact GN Solids Control.

GN Centrifugal Pump to Deliver Drilling Fluids

GN solids control distinguishes
itself from other China’s manufacturers by its cost-effective product with
competitive price to USA/EUEOPE brand but with fine and stable performance.
Beside supplying solids control equipments such as shale shaker, desander, desilter, mud cleaner, and decanter centrifuge, GN solids
control also supplies centrifugal pumps to deliver drilling fluid.

With stable performance and long service
life, GN SB series centrifugal pump is designed to deliver abrasive, viscous,
corrosive media, especially drilling fluids and industrial slurry. The pump can
handle large volume flow up to 320m3/h, withstand high temperature, and
remarkably save energy, but is easy to maintain. Currently, GN centrifugal
pumps are operating widely both on onland and offshore drilling rigs around the
world. Taking drilling fluids’ condition into consideration, we are committed
to offer the best solution to our customers.

The housing of GN centrifugal pump is thicker,
heavier and solider because of the special strength when compared with
conventional pumps, thus enjoying a more durable and longer service life.

The annular flow channel inside the housing
will eliminate turbulence and cavitation, also reduce radial load on the
bearing. The housing gasket is recessed to prevent fluids from leaving the
impeller. In oil and gas field, centrifugal pumps are mainly used as feeding
pumps to desander, desilter or mud cleaner, mud mixing pump, and supercharging
pump to mud pump. Regarding to the first application, the liquids discharged
from shale shaker will be delivered to the desander, desilter or mud cleaner by
the centrifugal pump, always horizontally installed on the skid of mud tanks.
To the second, the chemical will be added when the centrifugal pump discharges
the fluids out, usually fixed below the mud mixing hopper, also on the skid of
tank. For the third, the centrifugal pump will be used as supercharging pump
for mud pumps.

Related Arciels:

GN Oilfield Decanter Centrifuge & Vertical Centrifuges

Oilfield Decanter Centrifuges

The GN Decanter Centrifuge is design to separate the untra-fine solids from the drilling fluids, combined with dewatering unit (Flocculation), it gives user clean fluids for discharge.GN Decanter centrifuge also can be used for Barite Recovery.

GN Decanter Centrifuge Features & Benefits

High G Force up to 3000 G for different applications.
316 Stainless Steel Bowl, Screw and Collection Box for more difficult situations.
Different Capacity available from 50GPM to 500 GPM for more industry.
Speed adjustable by VFD or Mechanical change.
Screw protected by Tungsten Carbide Tiles.
Solids Discharge port protected by Tungsten Carbide Ring.
SKF or FAG Bearing for longer life.
Explosion proof for Class I Division I.

2) Oilfield Vertical Centrifuges

The GN Oilfield Vertical Centrifuges is designed to reduce and recover base fluid from a variety of feed slurries. The GN VCD Normally can reach the performance of the Oil On the Cutting(OOC) to to be 3% to 5%.

Features & Benefits of GN Oilfield Vertical Centrifuges

GN Oilfield Vertical Centrifuges Reduce the amount of OBM or SBM on cuttings discharge to reduce waste volume and/or meet environmental objectives.
GN Oilfield Vertical Centrifuges Recover valuable base fluids for re-use.
Reduce fluid content prior to other treatment, thereby increasing process capacity.
High G Force up to 420 G for dryer solids, more recover of valuable drilling fluids.
GN Oilfield Vertical Centrifuges Big Volume for 30 ~ 50 Tons/H for more applications
Stainless Steel Screen with Opening 250/350/500 microns for flexible option.
GN Oilfield Vertical Centrifuges Adjustable and replaceable Flights easy for maintenance.
Individual Oil Lubrication system ensures reliable operation.
All major rotation parts is balanced individually, for easy interchangeable and long life.

For other GN Oilfield Vertical Centrifuges products features and more details, please refer to our company products brochure.