Vertical cuttings dryer & decanter centrifuge for drilling waste management

Vertical cuttings dryer & decanter centrifuge (high-speed / large bowl) can be the 2 most typical machines for drilling waste cuttings treatment. They used together. Their primary function is utilizing centrifugal pressure to split up solids from drilling mud. But they also have different programs.


Programs of Vertical cuttings dryer for drilling waste management


GN Vertical Cuttings Dryer utilizes centrifugal pressure to dry drilled solids in oil or synthetic base mud cuttings. It is also accustomed to treat water base mud cuttings. A stainless-steel screen bowl traps “wet” solids and speeds up them up 900RPM with G pressure as much as 420. Liquid needs with the screen bowl openings, while “dry” contaminants are released through the tilted plane tickets connected to the cone, which rotate slightly reduced compared to bowl. Tungsten carbide guarantees lengthy operational existence.


Programs of decanter centrifuge for drilling waste management


GN makes different dimensions decanter centrifuge. You will find 8 inch baby centrifuge, 14 inch normal size decanter centrifuge, 18’’ and 22” large bowl centrifuge. Drilling waste management normally utilize high centrifuge pressure to split up fine solids. Take GN 14 inch decanter centrifuge for instance, the max. Speed is 3900rpm. Typical speed with load can achieve as much as 3200rpm, and also the G force is 2062 @ 3200rpm. The separation point is 2~5 microns.


Difference of Vertical cuttings dryer & decanter centrifuge in drilling waste management system


Drilling waste management system is also known as drilling cuttings drying system. Vertical cuttings dryer & decanter centrifuge can be the primary machine from the drying system. Using its patent design, GN vertical cuttings dryer can be used as oil base mud and water base mud, in addition to SBM. With similar system, customer can treat a myriad of drilling waste cuttings.


In drying mud system, vertical cuttings dryer can be used first of all to split up the coarse solids in cuttings. And also the released solids are drying out enough for truck shipment. Take GNCD930C dryer for instance, when treat Oil base mud, after treatment, OOC could be reduced close to 4%).


After vertical cuttings dryer, you will find high-content fine solids within the liquid phase, decanter centrifuge can be used to help separate the fine solids and lower the mud weight.


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