GN Solids Control Drilling Mud Separation Equipment

Industrial decanter centrifuges, shale shakers, and mud recycling plants by GN Solids Control for oilfield drilling and trenchless construction. Turnkey supply and factory spare parts.

Decanter centrifuges GNLW series

GN Solids Control GNLW series decanter centrifuges (models GNLW224, GNLW363, GNLW452, GNLW553) provide high-efficiency solids-liquid separation for drilling fluids. Fully variable speed VFD controls allow operators to adjust differential speed to achieve target clarity.

Bowl fabricated from duplex stainless steel 2205 for high erosion and chemical resistance
Conveyor flights protected by replaceable tungsten carbide tiles along the discharge zone
Rotational speeds up to 4000 RPM delivering centrifugal separation force exceeding 3000 G
Dual-motor electric drive arrangement enabling autonomous adjustment of scroll speed

Shale shakers GNZS series

GN Solids Control GNZS series shale shakers (GNZS594, GNZS703, GNZS852) deliver linear and balanced elliptical motion for primary mud processing. The robust vibrating basket handles high volumetric flow rates while separating drilling cuttings from fluid circulation.

Vibrating basket receives comprehensive heat treatment to relieve residual material stresses
Industrial explosion-proof vibrator motors deliver adjustable G-force up to 8.0 G
Hydraulic deck angle adjustment mechanism enables on-the-fly adjustment from -1 to +5 degrees
Wedge block clamping assembly allows rapid replacement of shaker screens during operation

Mud cleaners GNZJ series

GN Solids Control GNZJ series mud cleaners integrate desander and desilter hydrocyclone clusters mounted over an underflow drying shale shaker. The compact two-in-one unit delivers secondary and tertiary separation, preserving liquid mud bases while removing fine sand and silt.

Wear-resistant polyurethane 10-inch desander cones remove abrasive sand particles above 40 microns
Polyurethane 4-inch desilter cone bank isolates ultra-fine drilled silt particles down to 15 microns
Individual isolation ball valves allow flexible maintenance of cones without halting operation
Integrated high-frequency bottom screen dehydrates solid discharge to minimize mud losses

Vacuum degassers GNZFQ series

GN Solids Control GNZFQ series vacuum degassers (models GNZFQ270, GNZFQ360) remove entrained gas, air pockets, and light hydrocarbons from active drilling mud. Eliminating gas bubbles restores mud density, stabilizes hydraulic column pressure, and prevents centrifugal pump cavitation.

Self-priming suction design draws drilling mud into the vacuum vessel without extra feed pumps
Internal cascading corrugated plates distribute fluid in thin films to accelerate gas breakout
Liquid ring vacuum pump maintains steady negative pressure inside the industrial chamber
Automatic internal float regulation mechanism maintains balanced liquid levels reliably

Vertical cuttings dryers GNCD series

GN Solids Control GNCD930 vertical cuttings dryers treat oil-based mud (OBM) and synthetic mud (SBM) drill cuttings. Centrifugal rotation drops retained oil on cuttings (OOC) below 5 percent by weight, enabling environmental regulatory compliance and reclaiming costly base fluid.

Precision stainless steel wedge-wire screen basket provides high hydraulic filtration capacity
Internal rotor flights fitted with tungsten carbide tiles push dry solids downward smoothly
Dedicated pressurized oil lubrication pack maintains bearing reliability during long runs
Integrated high-pressure air knife blast assembly keeps screen apertures clear of clay cakes

Sludge vacuum transfer pumps GNSP series

GN Solids Control GNSP series pneumatic sludge vacuum pumps transfer heavy slurry, drill cuttings, oil sludge, and thick abrasive waste fluids. Driven by compressed air, the pump operates without rotating impellers or submerged dynamic seals in the product path.

Generates deep vacuum up to 25 inches Hg to draw high-viscosity solids from long distances
Horizontal delivery range up to 1000 meters through heavy-duty discharge piping manifolds
Completely explosion-proof mechanical pneumatic construction without internal electric motors
Automatic cycling between suction and pressure discharge via robust pneumatic logic timers

Modular mud recycling and mud tanks

GN Solids Control modular mud recycling systems support horizontal directional drilling (HDD), tunnel boring machine (TBM) tunneling, and deep borehole operations. Complete systems integrate shale shakers, mud cleaners, centrifuges, and automated fluid preparation tanks.

Fabricated heavy-duty mud tanks equipped with high-efficiency mud agitators and mud guns
Fast-connect pipe manifolds allow rapid mechanical setup and teardown between drilling pads
Insulated thermal tank panels and steam trace manifolds for reliable winter drilling jobs
Centralized explosion-proof electric control panel for synchronized pumps and drive motors

API shaker screens and wear components

GN Solids Control composite and steel frame shaker screens comply with API RP 13C standards. Panels deliver high hydraulic conductance and extended service life for GN shakers and third-party models. We also provide replacement hydrocyclone cones, seals, and elastomeric dampers.

Multi-layer wire cloth woven from stainless steel AISI 316 spanning API 20 through API 400
High-strength composite frame molded from fiber-reinforced polypropylene resisting corrosion
Interchangeable high-wear polyurethane hydrocyclone cone assemblies for desanders and desilters
Molded elastomer deck sealing rubbers and high-durability isolation springs for shaker baskets

Industrial Manufacturing Heritage of Hebei GN Solids Control (Global Separation Equipment)

Hebei GN Solids Control Co., Ltd. (formerly Tangshan Guanneng Machinery Equipment) began its industrial manufacturing journey in 2007, advancing into an internationally recognized builder of high-performance mud processing machinery and decanter centrifuges.

Headquartered in Hebei Province, China, the enterprise operates modern manufacturing complexes encompassing multi-axis CNC machining centers, automated rotor balancing bays, and specialized assembly facilities spanning more than 110,000 square meters.

GN Solids Control products serve leading drilling contractors and industrial processing operators across more than 70 countries globally.

With overseas technical branches established in Houston, Texas and Australia, the company provides dependable fluid treatment systems, rigorous material testing, and responsive engineering assistance for challenging drilling projects worldwide.

Kinematic Engineering and Bowl Metallurgy of GNLW Decanter Centrifuges

Industrial decanter centrifuges of the GN Solids Control GNLW series are engineered around a rigid fabricated steel pedestal fitted with high-efficiency vibration dampers.

The central rotating bowl is centrifugally molded from corrosion-resistant duplex stainless steel 2205, while the internal Archimedean conveyor screw is protected by brazed tungsten carbide wear tiles along its discharge periphery.

A dual-motor electric drive configuration pairs an explosion-proof main motor with an autonomous back-drive motor coupled to a planetary reduction drive.

Variable frequency drive (VFD) electronic automation regulates differential scroll speed on-the-fly, allowing process technicians to maintain optimal liquid clarity and discharge dry cake across varying feed slurry densities.

Multi-Stage Mud Processing: Shale Shakers, Hydrocyclones, and Vacuum Degassers

Achieving closed-loop mud recycling requires a synchronized multi-stage fluid purification process. On the primary stage, GNZS shale shakers with adjustable deck angles remove heavy drilled solids down to 75 microns.

Aerated slurry then enters the GNZFQ vacuum degasser, where inclined internal plates and continuous negative pressure strip entrained formation gases and air pockets to restore hydraulic mud density.

Next, centrifugal slurry pumps deliver conditioned mud to the GNZJ mud cleaner. Hydrocyclone desander and desilter banks isolate abrasive sand and fine silt down to 15 microns, while high-frequency bottom screening reclaims valuable liquid mud and weighting additives back into the active mud system.

Wear-Resistant Components: API Shaker Screens, Polyurethane Cones, and Drive Seals

Continuous operations impose severe abrasive wear on fluid-wetted contact components across mud recycling plants. Composite frame shaker screens conforming to API RP 13C standards require periodic inspection of mesh tension and perimeter seals to prevent drilled solids bypass into clean mud tanks.

On hydrocyclone manifolds, polyurethane cones and apex nozzles require scheduled dimensional checks to detect cavitation wear and internal erosion.

For decanter centrifuges, maintenance protocols prioritize verifying tungsten carbide tile integrity, flushing pillow block bearings with clean grease, and monitoring dynamic vibration levels on bearing housings.

Drilling Waste Management and Cuttings Drying for Closed-Loop Operations

To comply with environmental waste discharge mandates, GN Solids Control developed integrated cuttings drying and sludge transfer systems based on GNCD930 vertical cuttings dryers and GNSP pneumatic vacuum transfer pumps.

When treating oil-based or synthetic drilling fluids, the high-G centrifugal basket reduces oil on cuttings below 5 percent by weight, reclaiming valuable base oil for reuse.

Pneumatic sludge vacuum pumps utilize high-velocity compressed air venturi nozzles to transport heavy mud sediments, oily sludge, and dense drill cuttings over distances up to 1000 meters.

Without rotating impellers or submerged dynamic seals in the waste stream, GNSP pumps deliver unmatched reliability in harsh environments.

Engineering Equipment Selection, Factory Spare Parts, and International Logistics

SpareX delivers expert engineering consultation, parameter verification, and turnkey international delivery of GN Solids Control industrial mud processing systems and factory spare parts.

Our experienced technical specialists evaluate site flow rates, fluid rheology, and solids loading profiles to design optimized equipment configurations.

We deliver factory-calibrated composite screens, duplex bowls, conveyor screws, replacement polyurethane hydrocyclone assemblies, and explosion-proof motors directly to global drilling and industrial contractor sites.

Each export shipment includes complete technical manuals, rigorous protective crating, and reliable project forwarding.

GN Solids Control and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of GN Solids Control and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.